mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2026-01-09 15:50:30 +01:00
Initial import of Xr
This commit is contained in:
Carl Worth
commit
00807705bf
19 changed files with 3194 additions and 0 deletions
49
Imakefile
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49
Imakefile
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@ -0,0 +1,49 @@
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XCOMM $XFree86: $
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#define DoNormalLib NormalLibXr
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#define DoSharedLib SharedLibXr
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#define DoDebugLib DebugLibXr
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#define DoProfileLib ProfileLibXr
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#define LibName Xr
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#define SoRev SOXRREV
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#define IncSubdir X11
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#define IncSubSubdir Xr
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#include <Threads.tmpl>
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WARNINGS=-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs
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INCLUDES=$(WARNINGS)
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DEFINES=$(RENDERDEFINES)
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XRENDER_LIBS=$(XRENDERLIB)
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XRENDER_CFLAGS=$(XRENDERINCLUDES)
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REQUIREDLIBS=$(LDPRELIBS) $(XRENDERLIB) $(XLIB)
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SRCS = xr.c \
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xrcolor.c \
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xrgstate.c \
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xrpath.c \
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xrpicture.c \
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xrstate.c \
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xrsubpath.c \
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xrtransform.c
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OBJS = xr.o \
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xrcolor.o \
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xrgstate.o \
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xrpath.o \
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xrpicture.o \
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xrstate.o \
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xrsubpath.o \
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xrtransform.o
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HEADERS = Xr.h
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#include <Library.tmpl>
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CDEBUGFLAGS=-g -Wall
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DependTarget()
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103
Xr.h
Normal file
103
Xr.h
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@ -0,0 +1,103 @@
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/*
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* $XFree86: $
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*
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||||
* Copyright © 2002 University of Southern California
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||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
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#ifndef _XR_H_
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#define _XR_H_
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#include <X11/extensions/Xrender.h>
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typedef struct _XrState XrState;
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/* Functions for manipulating state objects */
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XrState *
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XrCreate(Display *dpy, Drawable drawable, Visual *visual);
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void
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XrDestroy(XrState *xrs);
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void
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XrSave(XrState *xrs);
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void
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XrRestore(XrState *xrs);
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|
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/* XXX: XrClone */
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/* Modify state */
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void
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XrSetDrawable(XrState *xrs, Drawable drawable, Visual *visual);
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void
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XrSetColorRGB(XrState *xrs, double red, double green, double blue);
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void
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XrSetAlpha(XrState *xrs, double alpha);
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void
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XrSetLineWidth(XrState *xrs, double width);
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void
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XrTranslate(XrState *xrs, double tx, double ty);
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void
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XrScale(XrState *xrs, double sx, double sy);
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void
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XrRotate(XrState *xrs, double angle);
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/* XXX: XrSetLineCap, XrSetLineJoin, XrSetDash, ... */
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/* Path creation */
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void
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XrNewPath(XrState *xrs);
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void
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XrMoveTo(XrState *xrs, double x, double y);
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void
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XrLineTo(XrState *xrs, double x, double y);
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void
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||||
XrRelMoveTo(XrState *xrs, double x, double y);
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||||
void
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XrRelLineTo(XrState *xrs, double x, double y);
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void
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XrClosePath(XrState *xrs);
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/* XXX: XrArcTo, XrCurveTo, XrRelCurveTo, ... */
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/* Render current path */
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void
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XrStroke(XrState *xrs);
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void
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XrFill(XrState *xrs);
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#endif
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103
src/Xr.h
Normal file
103
src/Xr.h
Normal file
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@ -0,0 +1,103 @@
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|||
/*
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||||
* $XFree86: $
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||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
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||||
|
||||
#ifndef _XR_H_
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#define _XR_H_
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#include <X11/extensions/Xrender.h>
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typedef struct _XrState XrState;
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/* Functions for manipulating state objects */
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XrState *
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XrCreate(Display *dpy, Drawable drawable, Visual *visual);
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void
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XrDestroy(XrState *xrs);
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void
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XrSave(XrState *xrs);
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void
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XrRestore(XrState *xrs);
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|
||||
/* XXX: XrClone */
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/* Modify state */
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void
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XrSetDrawable(XrState *xrs, Drawable drawable, Visual *visual);
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void
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XrSetColorRGB(XrState *xrs, double red, double green, double blue);
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||||
void
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XrSetAlpha(XrState *xrs, double alpha);
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void
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XrSetLineWidth(XrState *xrs, double width);
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void
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XrTranslate(XrState *xrs, double tx, double ty);
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void
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XrScale(XrState *xrs, double sx, double sy);
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void
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XrRotate(XrState *xrs, double angle);
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/* XXX: XrSetLineCap, XrSetLineJoin, XrSetDash, ... */
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/* Path creation */
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void
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XrNewPath(XrState *xrs);
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void
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XrMoveTo(XrState *xrs, double x, double y);
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void
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XrLineTo(XrState *xrs, double x, double y);
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void
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XrRelMoveTo(XrState *xrs, double x, double y);
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void
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XrRelLineTo(XrState *xrs, double x, double y);
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void
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XrClosePath(XrState *xrs);
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/* XXX: XrArcTo, XrCurveTo, XrRelCurveTo, ... */
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/* Render current path */
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void
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XrStroke(XrState *xrs);
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void
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XrFill(XrState *xrs);
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#endif
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149
src/xr.c
Normal file
149
src/xr.c
Normal file
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|
@ -0,0 +1,149 @@
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|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include "xrint.h"
|
||||
|
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XrState *
|
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XrCreate(Display *dpy, Drawable drawable, Visual *visual)
|
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{
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XrState *xrs;
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xrs = XrStateCreate(dpy);
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XrSetDrawable(xrs, drawable, visual);
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return xrs;
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}
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|
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void
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XrDestroy(XrState *xrs)
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{
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XrStateDestroy(xrs);
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}
|
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|
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void
|
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XrSave(XrState *xrs)
|
||||
{
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XrStatePush(xrs);
|
||||
}
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void
|
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XrRestore(XrState *xrs)
|
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{
|
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XrStatePop(xrs);
|
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}
|
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|
||||
void
|
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XrSetDrawable(XrState *xrs, Drawable drawable, Visual *visual)
|
||||
{
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XrGStateSetDrawable(CURRENT_GSTATE(xrs), drawable, visual);
|
||||
}
|
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|
||||
void
|
||||
XrSetColorRGB(XrState *xrs, double red, double green, double blue)
|
||||
{
|
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XrGStateSetColorRGB(CURRENT_GSTATE(xrs), red, green, blue);
|
||||
}
|
||||
|
||||
void
|
||||
XrSetAlpha(XrState *xrs, double alpha)
|
||||
{
|
||||
XrGStateSetAlpha(CURRENT_GSTATE(xrs), alpha);
|
||||
}
|
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|
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void
|
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XrSetLineWidth(XrState *xrs, double width)
|
||||
{
|
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XrGStateSetLineWidth(CURRENT_GSTATE(xrs), width);
|
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}
|
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|
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void
|
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XrTranslate(XrState *xrs, double tx, double ty)
|
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{
|
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XrGStateTranslate(CURRENT_GSTATE(xrs), tx, ty);
|
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}
|
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|
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void
|
||||
XrScale(XrState *xrs, double sx, double sy)
|
||||
{
|
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XrGStateScale(CURRENT_GSTATE(xrs), sx, sy);
|
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}
|
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|
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void
|
||||
XrRotate(XrState *xrs, double angle)
|
||||
{
|
||||
XrGStateRotate(CURRENT_GSTATE(xrs), angle);
|
||||
}
|
||||
|
||||
void
|
||||
XrNewPath(XrState *xrs)
|
||||
{
|
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XrGStateNewPath(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrMoveTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateMoveTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrLineTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateLineTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrRelMoveTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateRelMoveTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrRelLineTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateRelLineTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrClosePath(XrState *xrs)
|
||||
{
|
||||
XrGStateClosePath(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrStroke(XrState *xrs)
|
||||
{
|
||||
XrGStateStroke(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrFill(XrState *xrs)
|
||||
{
|
||||
XrGStateFill(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
72
src/xrcolor.c
Normal file
72
src/xrcolor.c
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
static XrColor XR_COLOR_DEFAULT = { 1.0, 1.0, 1.0, 1.0, {0xffff, 0xffff, 0xffff, 0xffff}};
|
||||
|
||||
static void
|
||||
_XrColorComputeRenderColor(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorInit(XrColor *color)
|
||||
{
|
||||
*color = XR_COLOR_DEFAULT;
|
||||
}
|
||||
|
||||
void
|
||||
XrColorDeinit(XrColor *color)
|
||||
{
|
||||
/* Nothing to do here */
|
||||
}
|
||||
|
||||
static void
|
||||
_XrColorComputeRenderColor(XrColor *color)
|
||||
{
|
||||
color->render.red = color->red * color->alpha * 0xffff;
|
||||
color->render.green = color->green * color->alpha * 0xffff;
|
||||
color->render.blue = color->blue * color->alpha * 0xffff;
|
||||
}
|
||||
|
||||
void
|
||||
XrColorSetRGB(XrColor *color, double red, double green, double blue)
|
||||
{
|
||||
color->red = red;
|
||||
color->green = green;
|
||||
color->blue = blue;
|
||||
|
||||
_XrColorComputeRenderColor(color);
|
||||
}
|
||||
|
||||
void
|
||||
XrColorSetAlpha(XrColor *color, double alpha)
|
||||
{
|
||||
color->alpha = alpha;
|
||||
|
||||
_XrColorComputeRenderColor(color);
|
||||
}
|
||||
389
src/xrgstate.c
Normal file
389
src/xrgstate.c
Normal file
|
|
@ -0,0 +1,389 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
/* Private functions */
|
||||
static XrGState *
|
||||
_XrGStateAlloc(void);
|
||||
|
||||
static void
|
||||
_TranslatePoint(XPointDouble *pt, const XPointDouble *offset);
|
||||
|
||||
static void
|
||||
_XrGStateStrokePath(XrGState *gstate, XrPath *path, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSubPath(XrGState *gstate, XrSubPath *subpath, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSegment(XrGState *gstate, const XPointDouble *p0, const XPointDouble *p1, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateFillPath(XrGState *gstate, XrPath *path);
|
||||
|
||||
static XrGState *
|
||||
_XrGStateAlloc(void)
|
||||
{
|
||||
return malloc(sizeof(XrGState));
|
||||
}
|
||||
|
||||
XrGState *
|
||||
XrGStateCreate(Display *dpy)
|
||||
{
|
||||
XrGState *gstate;
|
||||
|
||||
gstate = _XrGStateAlloc();
|
||||
XrGStateInit(gstate, dpy);
|
||||
|
||||
return gstate;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateInit(XrGState *gstate, Display *dpy)
|
||||
{
|
||||
gstate->dpy = dpy;
|
||||
|
||||
gstate->op = XR_GSTATE_OP_DEFAULT;
|
||||
gstate->winding = XR_GSTATE_WINDING_DEFAULT;
|
||||
gstate->line_width = XR_GSTATE_LINE_WIDTH_DEFAULT;
|
||||
|
||||
gstate->solidFormat = XRenderFindStandardFormat(dpy, PictStandardARGB32);
|
||||
gstate->alphaFormat = XRenderFindStandardFormat(dpy, PictStandardA8);
|
||||
|
||||
XrPictureInit(&gstate->picture, dpy);
|
||||
|
||||
XrPictureInit(&gstate->src, dpy);
|
||||
XrColorInit(&gstate->color);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
|
||||
XrTransformInit(&gstate->transform);
|
||||
|
||||
XrPathInit(&gstate->path);
|
||||
XrPathInit(&gstate->outline);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateInitCopy(XrGState *gstate, XrGState *other)
|
||||
{
|
||||
*gstate = *other;
|
||||
|
||||
XrPathInitCopy(&gstate->path, &other->path);
|
||||
XrPathInitCopy(&gstate->outline, &other->outline);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateDeinit(XrGState *gstate)
|
||||
{
|
||||
XrColorDeinit(&gstate->color);
|
||||
XrPictureDeinit(&gstate->src);
|
||||
XrPictureDeinit(&gstate->picture);
|
||||
XrTransformInit(&gstate->transform);
|
||||
|
||||
XrPathDeinit(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateDestroy(XrGState *gstate)
|
||||
{
|
||||
XrGStateDeinit(gstate);
|
||||
free(gstate);
|
||||
}
|
||||
|
||||
XrGState *
|
||||
XrGStateClone(XrGState *gstate)
|
||||
{
|
||||
XrGState *clone;
|
||||
|
||||
clone = _XrGStateAlloc();
|
||||
|
||||
XrGStateInitCopy(clone, gstate);
|
||||
return clone;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateGetCurrentPoint(XrGState *gstate, XPointDouble *pt)
|
||||
{
|
||||
XrPathGetCurrentPoint(&gstate->path, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetDrawable(XrGState *gstate, Drawable drawable, Visual *visual)
|
||||
{
|
||||
XrPictureSetDrawable(&gstate->picture, drawable, visual);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetColorRGB(XrGState *gstate, double red, double green, double blue)
|
||||
{
|
||||
XrColorSetRGB(&gstate->color, red, green, blue);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetAlpha(XrGState *gstate, double alpha)
|
||||
{
|
||||
XrColorSetAlpha(&gstate->color, alpha);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetLineWidth(XrGState *gstate, double width)
|
||||
{
|
||||
gstate->line_width = width;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateTranslate(XrGState *gstate, double tx, double ty)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitTranslate(&new, tx, ty);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateScale(XrGState *gstate, double sx, double sy)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitScale(&new, sx, sy);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRotate(XrGState *gstate, double angle)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitRotate(&new, angle);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateNewPath(XrGState *gstate)
|
||||
{
|
||||
XrPathDeinit(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateMoveTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPoint(&gstate->transform, &pt);
|
||||
XrPathMoveTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateLineTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPoint(&gstate->transform, &pt);
|
||||
XrPathLineTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
static void
|
||||
_TranslatePoint(XPointDouble *pt, const XPointDouble *offset)
|
||||
{
|
||||
pt->x += offset->x;
|
||||
pt->y += offset->y;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRelMoveTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt, current;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &pt);
|
||||
XrGStateGetCurrentPoint(gstate, ¤t);
|
||||
_TranslatePoint(&pt, ¤t);
|
||||
XrPathMoveTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRelLineTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt, current;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &pt);
|
||||
XrGStateGetCurrentPoint(gstate, ¤t);
|
||||
_TranslatePoint(&pt, ¤t);
|
||||
XrPathLineTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateClosePath(XrGState *gstate)
|
||||
{
|
||||
XrPathClose(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateStroke(XrGState *gstate)
|
||||
{
|
||||
int winding_save = gstate->winding;
|
||||
|
||||
gstate->winding = 1;
|
||||
XrPathInit(&gstate->outline);
|
||||
_XrGStateStrokePath(gstate, &gstate->path, &gstate->outline);
|
||||
_XrGStateFillPath(gstate, &gstate->outline);
|
||||
XrPathDeinit(&gstate->outline);
|
||||
gstate->winding = winding_save;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateFill(XrGState *gstate)
|
||||
{
|
||||
_XrGStateFillPath(gstate, &gstate->path);
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokePath(XrGState *gstate, XrPath *path, XrPath *outline)
|
||||
{
|
||||
XrSubPath *sub;
|
||||
|
||||
for (sub = path->head; sub; sub = sub->next) {
|
||||
if (sub->num_pts) {
|
||||
_XrGStateStrokeSubPath(gstate, sub, outline);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSubPath(XrGState *gstate, XrSubPath *subpath, XrPath *outline)
|
||||
{
|
||||
int i;
|
||||
XPointDouble *p0, *p1;
|
||||
|
||||
XrPathNewSubPath(outline);
|
||||
|
||||
/* Stroke right-side of path forward */
|
||||
for (i = 0; i < subpath->num_pts - 1; i++) {
|
||||
p0 = subpath->pts + i;
|
||||
p1 = p0 + 1;
|
||||
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
}
|
||||
|
||||
/* Close path or add cap as necessary */
|
||||
if (subpath->closed) {
|
||||
p0 = subpath->pts + subpath->num_pts - 1;
|
||||
p1 = subpath->pts;
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
XrPathClose(outline);
|
||||
} else {
|
||||
/* XXX: NYI: Add cap here */
|
||||
}
|
||||
|
||||
/* Stroke right-side of path in reverse */
|
||||
for (i = subpath->num_pts - 1; i > 0; i--) {
|
||||
p0 = subpath->pts + i;
|
||||
p1 = p0 - 1;
|
||||
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
}
|
||||
|
||||
/* Close path or add cap as necessary */
|
||||
if (subpath->closed) {
|
||||
p0 = subpath->pts;
|
||||
p1 = subpath->pts + subpath->num_pts - 1;
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
XrPathClose(outline);
|
||||
} else {
|
||||
/* XXX: NYI: Add cap here */
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSegment(XrGState *gstate, const XPointDouble *p0, const XPointDouble *p1, XrPath *outline)
|
||||
{
|
||||
double dx, dy, mag;
|
||||
XPointDouble offset;
|
||||
XPointDouble p0_off = *p0;
|
||||
XPointDouble p1_off = *p1;
|
||||
|
||||
dx = p1->x - p0->x;
|
||||
dy = p1->y - p0->y;
|
||||
mag = (gstate->line_width / 2) / sqrt(dx * dx + dy *dy);
|
||||
|
||||
offset.x = -dy * mag;
|
||||
offset.y = dx * mag;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &offset);
|
||||
|
||||
_TranslatePoint(&p0_off, &offset);
|
||||
XrPathAddPoint(outline, &p0_off);
|
||||
|
||||
_TranslatePoint(&p1_off, &offset);
|
||||
XrPathAddPoint(outline, &p1_off);
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateFillPath(XrGState *gstate, XrPath *path)
|
||||
{
|
||||
XPolygonDouble *polys;
|
||||
int i, npolys;
|
||||
XrSubPath *subpath;
|
||||
|
||||
npolys = XrPathNumSubPaths(path);
|
||||
|
||||
polys = malloc(npolys * sizeof(XPolygonDouble));
|
||||
if (polys == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (i=0, subpath = path->head; i < npolys && subpath; i++, subpath = subpath->next) {
|
||||
polys[i].points = subpath->pts;
|
||||
polys[i].npoints = subpath->num_pts;
|
||||
}
|
||||
|
||||
XRenderCompositeDoublePolys(gstate->dpy, gstate->op,
|
||||
gstate->src.picture, gstate->picture.picture,
|
||||
gstate->alphaFormat,
|
||||
0, 0, 0, 0,
|
||||
polys, npolys,
|
||||
gstate->winding);
|
||||
|
||||
free(polys);
|
||||
}
|
||||
343
src/xrint.h
Normal file
343
src/xrint.h
Normal file
|
|
@ -0,0 +1,343 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
/*
|
||||
* These definitions are solely for use by the implementation of Xr
|
||||
* and constitute no kind of standard. If you need any of these
|
||||
* functions, please drop me a note. Either the library needs new
|
||||
* functionality, or there's a way to do what you need using the
|
||||
* existing published interfaces. cworth@isi.edu
|
||||
*/
|
||||
|
||||
#ifndef _XRINT_H_
|
||||
#define _XRINT_H_
|
||||
|
||||
#include "Xr.h"
|
||||
|
||||
typedef struct _XrSubPath {
|
||||
int num_pts;
|
||||
int pts_size;
|
||||
XPointDouble *pts;
|
||||
int closed;
|
||||
|
||||
struct _XrSubPath *next;
|
||||
} XrSubPath;
|
||||
|
||||
typedef struct _XrPath {
|
||||
XrSubPath *head;
|
||||
XrSubPath *tail;
|
||||
} XrPath;
|
||||
|
||||
typedef struct _XrPicture {
|
||||
Display *dpy;
|
||||
|
||||
Drawable drawable;
|
||||
|
||||
Visual *visual;
|
||||
unsigned int depth;
|
||||
|
||||
XRenderPictFormat *format;
|
||||
unsigned long pa_mask;
|
||||
XRenderPictureAttributes pa;
|
||||
|
||||
Picture picture;
|
||||
Picture alpha;
|
||||
|
||||
/* XXX: Will also need a mechanism for a non-render picture here */
|
||||
} XrPicture;
|
||||
|
||||
typedef struct _XrColor {
|
||||
double red;
|
||||
double green;
|
||||
double blue;
|
||||
double alpha;
|
||||
|
||||
XRenderColor render;
|
||||
|
||||
/* XXX: Will also need a mechanism for a non-render color here */
|
||||
} XrColor;
|
||||
|
||||
|
||||
typedef struct _XrTransform {
|
||||
double matrix[6];
|
||||
} XrTransform;
|
||||
|
||||
#define XR_GSTATE_OP_DEFAULT PictOpOver
|
||||
#define XR_GSTATE_WINDING_DEFAULT 1
|
||||
#define XR_GSTATE_LINE_WIDTH_DEFAULT 1.0
|
||||
|
||||
typedef struct _XrGState {
|
||||
Display *dpy;
|
||||
|
||||
int op;
|
||||
int winding;
|
||||
double line_width;
|
||||
|
||||
XRenderPictFormat *solidFormat;
|
||||
XRenderPictFormat *alphaFormat;
|
||||
|
||||
XrColor color;
|
||||
XrPicture src;
|
||||
XrPicture picture;
|
||||
XrTransform transform;
|
||||
|
||||
XrPath path;
|
||||
XrPath outline;
|
||||
|
||||
struct _XrGState *next;
|
||||
} XrGState;
|
||||
|
||||
struct _XrState {
|
||||
Display *dpy;
|
||||
XrGState *stack;
|
||||
};
|
||||
|
||||
/* xrstate.c */
|
||||
|
||||
#define CURRENT_GSTATE(xrs) (xrs->stack)
|
||||
|
||||
XrState *
|
||||
XrStateCreate(Display *dpy);
|
||||
|
||||
void
|
||||
XrStateInit(XrState *state, Display *dpy);
|
||||
|
||||
void
|
||||
XrStateDeinit(XrState *xrs);
|
||||
|
||||
void
|
||||
XrStateDestroy(XrState *state);
|
||||
|
||||
void
|
||||
XrStatePush(XrState *xrs);
|
||||
|
||||
void
|
||||
XrStatePop(XrState *xrs);
|
||||
|
||||
/* xrgstate.c */
|
||||
XrGState *
|
||||
XrGStateCreate(Display *dpy);
|
||||
|
||||
XrGState *
|
||||
XrGStateClone(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateInit(XrGState *gstate, Display *dpy);
|
||||
|
||||
void
|
||||
XrGStateInitCopy(XrGState *gstate, XrGState *other);
|
||||
|
||||
void
|
||||
XrGStateDeinit(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateDestroy(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateGetCurrentPoint(XrGState *gstate, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrGStateSetDrawable(XrGState *gstate, Drawable drawable, Visual *visual);
|
||||
|
||||
void
|
||||
XrGStateSetColorRGB(XrGState *gstate, double red, double green, double blue);
|
||||
|
||||
void
|
||||
XrGStateSetAlpha(XrGState *gstate, double alpha);
|
||||
|
||||
void
|
||||
XrGStateSetLineWidth(XrGState *gstate, double width);
|
||||
|
||||
void
|
||||
XrGStateTranslate(XrGState *gstate, double tx, double ty);
|
||||
|
||||
void
|
||||
XrGStateScale(XrGState *gstate, double sx, double sy);
|
||||
|
||||
void
|
||||
XrGStateRotate(XrGState *gstate, double angle);
|
||||
|
||||
void
|
||||
XrGStateNewPath(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateMoveTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateLineTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateRelMoveTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateRelLineTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateClosePath(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateStroke(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateFill(XrGState *fill);
|
||||
|
||||
/* xrcolor.c */
|
||||
void
|
||||
XrColorInit(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorDeinit(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorSetRGB(XrColor *color, double red, double green, double blue);
|
||||
|
||||
void
|
||||
XrColorSetAlpha(XrColor *color, double alpha);
|
||||
|
||||
/* xrpath.c */
|
||||
XrPath *
|
||||
XrPathCreate(void);
|
||||
|
||||
void
|
||||
XrPathInit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathInitCopy(XrPath *path, XrPath *other);
|
||||
|
||||
void
|
||||
XrPathReinit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathDeinit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathDestroy(XrPath *path);
|
||||
|
||||
XrPath *
|
||||
XrPathClone(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathGetCurrentPoint(XrPath *path, XPointDouble *pt);
|
||||
|
||||
int
|
||||
XrPathNumSubPaths(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathNewSubPath(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathAddPoint(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathMoveTo(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathLineTo(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathClose(XrPath *path);
|
||||
|
||||
/* xrsubpath.c */
|
||||
XrSubPath *
|
||||
XrSubPathCreate(void);
|
||||
|
||||
void
|
||||
XrSubPathInit(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathInitCopy(XrSubPath *path, XrSubPath *other);
|
||||
|
||||
void
|
||||
XrSubPathDeinit(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathDestroy(XrSubPath *path);
|
||||
|
||||
XrSubPath *
|
||||
XrSubPathClone(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathGetCurrentPoint(XrSubPath *path, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathSetCurrentPoint(XrSubPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathAddPoint(XrSubPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathClose(XrSubPath *path);
|
||||
|
||||
/* xrpicture.c */
|
||||
void
|
||||
XrPictureInit(XrPicture *picture, Display *dpy);
|
||||
|
||||
void
|
||||
XrPictureDeinit(XrPicture *picture);
|
||||
|
||||
void
|
||||
XrPictureSetSolidColor(XrPicture *picture, XrColor *color, XRenderPictFormat *format);
|
||||
|
||||
void
|
||||
XrPictureSetDrawable(XrPicture *picture, Drawable drawable, Visual *visual);
|
||||
|
||||
/* xrtransform.c */
|
||||
void
|
||||
XrTransformInit(XrTransform *transform);
|
||||
|
||||
void
|
||||
XrTransformInitMatrix(XrTransform *transform,
|
||||
double a, double b,
|
||||
double c, double d,
|
||||
double tx, double ty);
|
||||
|
||||
void
|
||||
XrTransformInitTranslate(XrTransform *transform,
|
||||
double tx, double ty);
|
||||
|
||||
void
|
||||
XrTransformInitScale(XrTransform *transform,
|
||||
double sx, double sy);
|
||||
|
||||
void
|
||||
XrTransformInitRotate(XrTransform *transform,
|
||||
double angle);
|
||||
|
||||
void
|
||||
XrTransformDeinit(XrTransform *transform);
|
||||
|
||||
void
|
||||
XrTransformCompose(XrTransform *t1, const XrTransform *t2);
|
||||
|
||||
void
|
||||
XrTransformPointWithoutTranslate(XrTransform *transform, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrTransformPoint(XrTransform *transform, XPointDouble *pt);
|
||||
|
||||
#endif
|
||||
169
src/xrpath.c
Normal file
169
src/xrpath.c
Normal file
|
|
@ -0,0 +1,169 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "xrint.h"
|
||||
|
||||
/* private functions */
|
||||
static void
|
||||
_XrPathAddSubPath(XrPath *path, XrSubPath *subpath);
|
||||
|
||||
XrPath *
|
||||
XrPathCreate(void)
|
||||
{
|
||||
XrPath *path;
|
||||
|
||||
path = malloc(sizeof(XrPath));
|
||||
return path;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathInit(XrPath *path)
|
||||
{
|
||||
path->head = NULL;
|
||||
path->tail = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathInitCopy(XrPath *path, XrPath *other)
|
||||
{
|
||||
XrSubPath *subpath, *othersub;
|
||||
|
||||
XrPathInit(path);
|
||||
|
||||
for (othersub = other->head; othersub; othersub = othersub->next) {
|
||||
subpath = XrSubPathClone(othersub);
|
||||
_XrPathAddSubPath(path, subpath);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrPathDeinit(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
while (path->head) {
|
||||
subpath = path->head;
|
||||
path->head = subpath->next;
|
||||
XrSubPathDestroy(subpath);
|
||||
}
|
||||
path->tail = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathDestroy(XrPath *path)
|
||||
{
|
||||
free(path);
|
||||
}
|
||||
|
||||
XrPath *
|
||||
XrPathClone(XrPath *path)
|
||||
{
|
||||
XrPath *clone;
|
||||
|
||||
clone = XrPathCreate();
|
||||
XrPathInitCopy(clone, path);
|
||||
return clone;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathGetCurrentPoint(XrPath *path, XPointDouble *pt)
|
||||
{
|
||||
XrSubPathGetCurrentPoint(path->tail, pt);
|
||||
}
|
||||
|
||||
int
|
||||
XrPathNumSubPaths(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
int num_subpaths;
|
||||
|
||||
num_subpaths = 0;
|
||||
for (subpath = path->head; subpath; subpath = subpath->next) {
|
||||
num_subpaths++;
|
||||
}
|
||||
|
||||
return num_subpaths;
|
||||
}
|
||||
|
||||
static void
|
||||
_XrPathAddSubPath(XrPath *path, XrSubPath *subpath)
|
||||
{
|
||||
subpath->next = NULL;
|
||||
|
||||
if (path->tail) {
|
||||
path->tail->next = subpath;
|
||||
} else {
|
||||
path->head = subpath;
|
||||
}
|
||||
|
||||
path->tail = subpath;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathNewSubPath(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
subpath = XrSubPathCreate();
|
||||
_XrPathAddSubPath(path, subpath);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathAddPoint(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrSubPathAddPoint(path->tail, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathMoveTo(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
subpath = path->tail;
|
||||
|
||||
if (subpath == NULL || subpath->num_pts > 1) {
|
||||
XrPathNewSubPath(path);
|
||||
XrPathAddPoint(path, pt);
|
||||
} else {
|
||||
XrSubPathSetCurrentPoint(subpath, pt);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrPathLineTo(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrPathAddPoint(path, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathClose(XrPath *path)
|
||||
{
|
||||
XrSubPathClose(path->tail);
|
||||
XrPathNewSubPath(path);
|
||||
}
|
||||
94
src/xrstate.c
Normal file
94
src/xrstate.c
Normal file
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "xrint.h"
|
||||
|
||||
XrState *
|
||||
XrStateCreate(Display *dpy)
|
||||
{
|
||||
XrState *xrs;
|
||||
|
||||
xrs = malloc(sizeof(XrState));
|
||||
|
||||
XrStateInit(xrs, dpy);
|
||||
|
||||
return xrs;
|
||||
}
|
||||
|
||||
void
|
||||
XrStateInit(XrState *xrs, Display *dpy)
|
||||
{
|
||||
xrs->dpy = dpy;
|
||||
xrs->stack = NULL;
|
||||
XrStatePush(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrStateDeinit(XrState *xrs)
|
||||
{
|
||||
while (xrs->stack) {
|
||||
XrStatePop(xrs);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrStateDestroy(XrState *xrs)
|
||||
{
|
||||
XrStateDeinit(xrs);
|
||||
free(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrStatePush(XrState *xrs)
|
||||
{
|
||||
XrGState *top;
|
||||
|
||||
if (xrs->stack) {
|
||||
top = XrGStateClone(xrs->stack);
|
||||
} else {
|
||||
top = XrGStateCreate(xrs->dpy);
|
||||
}
|
||||
|
||||
top->next = xrs->stack;
|
||||
xrs->stack = top;
|
||||
}
|
||||
|
||||
void
|
||||
XrStatePop(XrState *xrs)
|
||||
{
|
||||
XrGState *top;
|
||||
|
||||
if (xrs->stack) {
|
||||
top = xrs->stack;
|
||||
xrs->stack = top->next;
|
||||
|
||||
XrGStateDestroy(top);
|
||||
}
|
||||
}
|
||||
|
||||
129
src/xrtransform.c
Normal file
129
src/xrtransform.c
Normal file
|
|
@ -0,0 +1,129 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
static XrTransform XR_TRANSFORM_DEFAULT = {
|
||||
{1, 0,
|
||||
0, 1,
|
||||
0, 0}
|
||||
};
|
||||
|
||||
void
|
||||
XrTransformInit(XrTransform *transform)
|
||||
{
|
||||
*transform = XR_TRANSFORM_DEFAULT;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitMatrix(XrTransform *transform,
|
||||
double a, double b,
|
||||
double c, double d,
|
||||
double tx, double ty)
|
||||
{
|
||||
transform->matrix[0] = a; transform->matrix[1] = b;
|
||||
transform->matrix[2] = c; transform->matrix[3] = d;
|
||||
transform->matrix[4] = tx; transform->matrix[5] = ty;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitTranslate(XrTransform *transform,
|
||||
double tx, double ty)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
1, 0,
|
||||
0, 1,
|
||||
tx, ty);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitScale(XrTransform *transform,
|
||||
double sx, double sy)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
sx, 0,
|
||||
0, sy,
|
||||
0, 0);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitRotate(XrTransform *transform,
|
||||
double angle)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
cos(angle), sin(angle),
|
||||
-sin(angle), cos(angle),
|
||||
0, 0);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformDeinit(XrTransform *transform)
|
||||
{
|
||||
/* Nothing to do here */
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformCompose(XrTransform *t1, const XrTransform *t2)
|
||||
{
|
||||
double new[6];
|
||||
|
||||
new[0] = t2->matrix[0] * t1->matrix[0] + t2->matrix[1] * t1->matrix[2];
|
||||
new[1] = t2->matrix[0] * t1->matrix[1] + t2->matrix[1] * t1->matrix[3];
|
||||
new[2] = t2->matrix[2] * t1->matrix[0] + t2->matrix[3] * t1->matrix[2];
|
||||
new[3] = t2->matrix[2] * t1->matrix[1] + t2->matrix[3] * t1->matrix[3];
|
||||
new[4] = t2->matrix[4] * t1->matrix[0] + t2->matrix[5] * t1->matrix[2] + t1->matrix[4];
|
||||
new[5] = t2->matrix[4] * t1->matrix[1] + t2->matrix[5] * t1->matrix[3] + t1->matrix[5];
|
||||
|
||||
memcpy(t1->matrix, new, 6 * sizeof(double));
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformPointWithoutTranslate(XrTransform *transform, XPointDouble *pt)
|
||||
{
|
||||
double new_x, new_y;
|
||||
|
||||
new_x = (transform->matrix[0] * pt->x
|
||||
+ transform->matrix[2] * pt->y);
|
||||
new_y = (transform->matrix[1] * pt->x
|
||||
+ transform->matrix[3] * pt->y);
|
||||
|
||||
pt->x = new_x;
|
||||
pt->y = new_y;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformPoint(XrTransform *transform, XPointDouble *pt)
|
||||
{
|
||||
XrTransformPointWithoutTranslate(transform, pt);
|
||||
|
||||
pt->x += transform->matrix[4];
|
||||
pt->y += transform->matrix[5];
|
||||
}
|
||||
149
xr.c
Normal file
149
xr.c
Normal file
|
|
@ -0,0 +1,149 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
XrState *
|
||||
XrCreate(Display *dpy, Drawable drawable, Visual *visual)
|
||||
{
|
||||
XrState *xrs;
|
||||
|
||||
xrs = XrStateCreate(dpy);
|
||||
XrSetDrawable(xrs, drawable, visual);
|
||||
|
||||
return xrs;
|
||||
}
|
||||
|
||||
void
|
||||
XrDestroy(XrState *xrs)
|
||||
{
|
||||
XrStateDestroy(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrSave(XrState *xrs)
|
||||
{
|
||||
XrStatePush(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrRestore(XrState *xrs)
|
||||
{
|
||||
XrStatePop(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrSetDrawable(XrState *xrs, Drawable drawable, Visual *visual)
|
||||
{
|
||||
XrGStateSetDrawable(CURRENT_GSTATE(xrs), drawable, visual);
|
||||
}
|
||||
|
||||
void
|
||||
XrSetColorRGB(XrState *xrs, double red, double green, double blue)
|
||||
{
|
||||
XrGStateSetColorRGB(CURRENT_GSTATE(xrs), red, green, blue);
|
||||
}
|
||||
|
||||
void
|
||||
XrSetAlpha(XrState *xrs, double alpha)
|
||||
{
|
||||
XrGStateSetAlpha(CURRENT_GSTATE(xrs), alpha);
|
||||
}
|
||||
|
||||
void
|
||||
XrSetLineWidth(XrState *xrs, double width)
|
||||
{
|
||||
XrGStateSetLineWidth(CURRENT_GSTATE(xrs), width);
|
||||
}
|
||||
|
||||
void
|
||||
XrTranslate(XrState *xrs, double tx, double ty)
|
||||
{
|
||||
XrGStateTranslate(CURRENT_GSTATE(xrs), tx, ty);
|
||||
}
|
||||
|
||||
void
|
||||
XrScale(XrState *xrs, double sx, double sy)
|
||||
{
|
||||
XrGStateScale(CURRENT_GSTATE(xrs), sx, sy);
|
||||
}
|
||||
|
||||
void
|
||||
XrRotate(XrState *xrs, double angle)
|
||||
{
|
||||
XrGStateRotate(CURRENT_GSTATE(xrs), angle);
|
||||
}
|
||||
|
||||
void
|
||||
XrNewPath(XrState *xrs)
|
||||
{
|
||||
XrGStateNewPath(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrMoveTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateMoveTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrLineTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateLineTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrRelMoveTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateRelMoveTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrRelLineTo(XrState *xrs, double x, double y)
|
||||
{
|
||||
XrGStateRelLineTo(CURRENT_GSTATE(xrs), x, y);
|
||||
}
|
||||
|
||||
void
|
||||
XrClosePath(XrState *xrs)
|
||||
{
|
||||
XrGStateClosePath(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrStroke(XrState *xrs)
|
||||
{
|
||||
XrGStateStroke(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
void
|
||||
XrFill(XrState *xrs)
|
||||
{
|
||||
XrGStateFill(CURRENT_GSTATE(xrs));
|
||||
}
|
||||
|
||||
72
xrcolor.c
Normal file
72
xrcolor.c
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
static XrColor XR_COLOR_DEFAULT = { 1.0, 1.0, 1.0, 1.0, {0xffff, 0xffff, 0xffff, 0xffff}};
|
||||
|
||||
static void
|
||||
_XrColorComputeRenderColor(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorInit(XrColor *color)
|
||||
{
|
||||
*color = XR_COLOR_DEFAULT;
|
||||
}
|
||||
|
||||
void
|
||||
XrColorDeinit(XrColor *color)
|
||||
{
|
||||
/* Nothing to do here */
|
||||
}
|
||||
|
||||
static void
|
||||
_XrColorComputeRenderColor(XrColor *color)
|
||||
{
|
||||
color->render.red = color->red * color->alpha * 0xffff;
|
||||
color->render.green = color->green * color->alpha * 0xffff;
|
||||
color->render.blue = color->blue * color->alpha * 0xffff;
|
||||
}
|
||||
|
||||
void
|
||||
XrColorSetRGB(XrColor *color, double red, double green, double blue)
|
||||
{
|
||||
color->red = red;
|
||||
color->green = green;
|
||||
color->blue = blue;
|
||||
|
||||
_XrColorComputeRenderColor(color);
|
||||
}
|
||||
|
||||
void
|
||||
XrColorSetAlpha(XrColor *color, double alpha)
|
||||
{
|
||||
color->alpha = alpha;
|
||||
|
||||
_XrColorComputeRenderColor(color);
|
||||
}
|
||||
389
xrgstate.c
Normal file
389
xrgstate.c
Normal file
|
|
@ -0,0 +1,389 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
/* Private functions */
|
||||
static XrGState *
|
||||
_XrGStateAlloc(void);
|
||||
|
||||
static void
|
||||
_TranslatePoint(XPointDouble *pt, const XPointDouble *offset);
|
||||
|
||||
static void
|
||||
_XrGStateStrokePath(XrGState *gstate, XrPath *path, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSubPath(XrGState *gstate, XrSubPath *subpath, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSegment(XrGState *gstate, const XPointDouble *p0, const XPointDouble *p1, XrPath *outline);
|
||||
|
||||
static void
|
||||
_XrGStateFillPath(XrGState *gstate, XrPath *path);
|
||||
|
||||
static XrGState *
|
||||
_XrGStateAlloc(void)
|
||||
{
|
||||
return malloc(sizeof(XrGState));
|
||||
}
|
||||
|
||||
XrGState *
|
||||
XrGStateCreate(Display *dpy)
|
||||
{
|
||||
XrGState *gstate;
|
||||
|
||||
gstate = _XrGStateAlloc();
|
||||
XrGStateInit(gstate, dpy);
|
||||
|
||||
return gstate;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateInit(XrGState *gstate, Display *dpy)
|
||||
{
|
||||
gstate->dpy = dpy;
|
||||
|
||||
gstate->op = XR_GSTATE_OP_DEFAULT;
|
||||
gstate->winding = XR_GSTATE_WINDING_DEFAULT;
|
||||
gstate->line_width = XR_GSTATE_LINE_WIDTH_DEFAULT;
|
||||
|
||||
gstate->solidFormat = XRenderFindStandardFormat(dpy, PictStandardARGB32);
|
||||
gstate->alphaFormat = XRenderFindStandardFormat(dpy, PictStandardA8);
|
||||
|
||||
XrPictureInit(&gstate->picture, dpy);
|
||||
|
||||
XrPictureInit(&gstate->src, dpy);
|
||||
XrColorInit(&gstate->color);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
|
||||
XrTransformInit(&gstate->transform);
|
||||
|
||||
XrPathInit(&gstate->path);
|
||||
XrPathInit(&gstate->outline);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateInitCopy(XrGState *gstate, XrGState *other)
|
||||
{
|
||||
*gstate = *other;
|
||||
|
||||
XrPathInitCopy(&gstate->path, &other->path);
|
||||
XrPathInitCopy(&gstate->outline, &other->outline);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateDeinit(XrGState *gstate)
|
||||
{
|
||||
XrColorDeinit(&gstate->color);
|
||||
XrPictureDeinit(&gstate->src);
|
||||
XrPictureDeinit(&gstate->picture);
|
||||
XrTransformInit(&gstate->transform);
|
||||
|
||||
XrPathDeinit(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateDestroy(XrGState *gstate)
|
||||
{
|
||||
XrGStateDeinit(gstate);
|
||||
free(gstate);
|
||||
}
|
||||
|
||||
XrGState *
|
||||
XrGStateClone(XrGState *gstate)
|
||||
{
|
||||
XrGState *clone;
|
||||
|
||||
clone = _XrGStateAlloc();
|
||||
|
||||
XrGStateInitCopy(clone, gstate);
|
||||
return clone;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateGetCurrentPoint(XrGState *gstate, XPointDouble *pt)
|
||||
{
|
||||
XrPathGetCurrentPoint(&gstate->path, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetDrawable(XrGState *gstate, Drawable drawable, Visual *visual)
|
||||
{
|
||||
XrPictureSetDrawable(&gstate->picture, drawable, visual);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetColorRGB(XrGState *gstate, double red, double green, double blue)
|
||||
{
|
||||
XrColorSetRGB(&gstate->color, red, green, blue);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetAlpha(XrGState *gstate, double alpha)
|
||||
{
|
||||
XrColorSetAlpha(&gstate->color, alpha);
|
||||
XrPictureSetSolidColor(&gstate->src, &gstate->color, gstate->solidFormat);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateSetLineWidth(XrGState *gstate, double width)
|
||||
{
|
||||
gstate->line_width = width;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateTranslate(XrGState *gstate, double tx, double ty)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitTranslate(&new, tx, ty);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateScale(XrGState *gstate, double sx, double sy)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitScale(&new, sx, sy);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRotate(XrGState *gstate, double angle)
|
||||
{
|
||||
XrTransform new;
|
||||
|
||||
XrTransformInitRotate(&new, angle);
|
||||
XrTransformCompose(&gstate->transform, &new);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateNewPath(XrGState *gstate)
|
||||
{
|
||||
XrPathDeinit(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateMoveTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPoint(&gstate->transform, &pt);
|
||||
XrPathMoveTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateLineTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPoint(&gstate->transform, &pt);
|
||||
XrPathLineTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
static void
|
||||
_TranslatePoint(XPointDouble *pt, const XPointDouble *offset)
|
||||
{
|
||||
pt->x += offset->x;
|
||||
pt->y += offset->y;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRelMoveTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt, current;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &pt);
|
||||
XrGStateGetCurrentPoint(gstate, ¤t);
|
||||
_TranslatePoint(&pt, ¤t);
|
||||
XrPathMoveTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateRelLineTo(XrGState *gstate, double x, double y)
|
||||
{
|
||||
XPointDouble pt, current;
|
||||
|
||||
pt.x = x;
|
||||
pt.y = y;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &pt);
|
||||
XrGStateGetCurrentPoint(gstate, ¤t);
|
||||
_TranslatePoint(&pt, ¤t);
|
||||
XrPathLineTo(&gstate->path, &pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateClosePath(XrGState *gstate)
|
||||
{
|
||||
XrPathClose(&gstate->path);
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateStroke(XrGState *gstate)
|
||||
{
|
||||
int winding_save = gstate->winding;
|
||||
|
||||
gstate->winding = 1;
|
||||
XrPathInit(&gstate->outline);
|
||||
_XrGStateStrokePath(gstate, &gstate->path, &gstate->outline);
|
||||
_XrGStateFillPath(gstate, &gstate->outline);
|
||||
XrPathDeinit(&gstate->outline);
|
||||
gstate->winding = winding_save;
|
||||
}
|
||||
|
||||
void
|
||||
XrGStateFill(XrGState *gstate)
|
||||
{
|
||||
_XrGStateFillPath(gstate, &gstate->path);
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokePath(XrGState *gstate, XrPath *path, XrPath *outline)
|
||||
{
|
||||
XrSubPath *sub;
|
||||
|
||||
for (sub = path->head; sub; sub = sub->next) {
|
||||
if (sub->num_pts) {
|
||||
_XrGStateStrokeSubPath(gstate, sub, outline);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSubPath(XrGState *gstate, XrSubPath *subpath, XrPath *outline)
|
||||
{
|
||||
int i;
|
||||
XPointDouble *p0, *p1;
|
||||
|
||||
XrPathNewSubPath(outline);
|
||||
|
||||
/* Stroke right-side of path forward */
|
||||
for (i = 0; i < subpath->num_pts - 1; i++) {
|
||||
p0 = subpath->pts + i;
|
||||
p1 = p0 + 1;
|
||||
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
}
|
||||
|
||||
/* Close path or add cap as necessary */
|
||||
if (subpath->closed) {
|
||||
p0 = subpath->pts + subpath->num_pts - 1;
|
||||
p1 = subpath->pts;
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
XrPathClose(outline);
|
||||
} else {
|
||||
/* XXX: NYI: Add cap here */
|
||||
}
|
||||
|
||||
/* Stroke right-side of path in reverse */
|
||||
for (i = subpath->num_pts - 1; i > 0; i--) {
|
||||
p0 = subpath->pts + i;
|
||||
p1 = p0 - 1;
|
||||
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
}
|
||||
|
||||
/* Close path or add cap as necessary */
|
||||
if (subpath->closed) {
|
||||
p0 = subpath->pts;
|
||||
p1 = subpath->pts + subpath->num_pts - 1;
|
||||
_XrGStateStrokeSegment(gstate, p0, p1, outline);
|
||||
XrPathClose(outline);
|
||||
} else {
|
||||
/* XXX: NYI: Add cap here */
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateStrokeSegment(XrGState *gstate, const XPointDouble *p0, const XPointDouble *p1, XrPath *outline)
|
||||
{
|
||||
double dx, dy, mag;
|
||||
XPointDouble offset;
|
||||
XPointDouble p0_off = *p0;
|
||||
XPointDouble p1_off = *p1;
|
||||
|
||||
dx = p1->x - p0->x;
|
||||
dy = p1->y - p0->y;
|
||||
mag = (gstate->line_width / 2) / sqrt(dx * dx + dy *dy);
|
||||
|
||||
offset.x = -dy * mag;
|
||||
offset.y = dx * mag;
|
||||
|
||||
XrTransformPointWithoutTranslate(&gstate->transform, &offset);
|
||||
|
||||
_TranslatePoint(&p0_off, &offset);
|
||||
XrPathAddPoint(outline, &p0_off);
|
||||
|
||||
_TranslatePoint(&p1_off, &offset);
|
||||
XrPathAddPoint(outline, &p1_off);
|
||||
}
|
||||
|
||||
static void
|
||||
_XrGStateFillPath(XrGState *gstate, XrPath *path)
|
||||
{
|
||||
XPolygonDouble *polys;
|
||||
int i, npolys;
|
||||
XrSubPath *subpath;
|
||||
|
||||
npolys = XrPathNumSubPaths(path);
|
||||
|
||||
polys = malloc(npolys * sizeof(XPolygonDouble));
|
||||
if (polys == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (i=0, subpath = path->head; i < npolys && subpath; i++, subpath = subpath->next) {
|
||||
polys[i].points = subpath->pts;
|
||||
polys[i].npoints = subpath->num_pts;
|
||||
}
|
||||
|
||||
XRenderCompositeDoublePolys(gstate->dpy, gstate->op,
|
||||
gstate->src.picture, gstate->picture.picture,
|
||||
gstate->alphaFormat,
|
||||
0, 0, 0, 0,
|
||||
polys, npolys,
|
||||
gstate->winding);
|
||||
|
||||
free(polys);
|
||||
}
|
||||
343
xrint.h
Normal file
343
xrint.h
Normal file
|
|
@ -0,0 +1,343 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
/*
|
||||
* These definitions are solely for use by the implementation of Xr
|
||||
* and constitute no kind of standard. If you need any of these
|
||||
* functions, please drop me a note. Either the library needs new
|
||||
* functionality, or there's a way to do what you need using the
|
||||
* existing published interfaces. cworth@isi.edu
|
||||
*/
|
||||
|
||||
#ifndef _XRINT_H_
|
||||
#define _XRINT_H_
|
||||
|
||||
#include "Xr.h"
|
||||
|
||||
typedef struct _XrSubPath {
|
||||
int num_pts;
|
||||
int pts_size;
|
||||
XPointDouble *pts;
|
||||
int closed;
|
||||
|
||||
struct _XrSubPath *next;
|
||||
} XrSubPath;
|
||||
|
||||
typedef struct _XrPath {
|
||||
XrSubPath *head;
|
||||
XrSubPath *tail;
|
||||
} XrPath;
|
||||
|
||||
typedef struct _XrPicture {
|
||||
Display *dpy;
|
||||
|
||||
Drawable drawable;
|
||||
|
||||
Visual *visual;
|
||||
unsigned int depth;
|
||||
|
||||
XRenderPictFormat *format;
|
||||
unsigned long pa_mask;
|
||||
XRenderPictureAttributes pa;
|
||||
|
||||
Picture picture;
|
||||
Picture alpha;
|
||||
|
||||
/* XXX: Will also need a mechanism for a non-render picture here */
|
||||
} XrPicture;
|
||||
|
||||
typedef struct _XrColor {
|
||||
double red;
|
||||
double green;
|
||||
double blue;
|
||||
double alpha;
|
||||
|
||||
XRenderColor render;
|
||||
|
||||
/* XXX: Will also need a mechanism for a non-render color here */
|
||||
} XrColor;
|
||||
|
||||
|
||||
typedef struct _XrTransform {
|
||||
double matrix[6];
|
||||
} XrTransform;
|
||||
|
||||
#define XR_GSTATE_OP_DEFAULT PictOpOver
|
||||
#define XR_GSTATE_WINDING_DEFAULT 1
|
||||
#define XR_GSTATE_LINE_WIDTH_DEFAULT 1.0
|
||||
|
||||
typedef struct _XrGState {
|
||||
Display *dpy;
|
||||
|
||||
int op;
|
||||
int winding;
|
||||
double line_width;
|
||||
|
||||
XRenderPictFormat *solidFormat;
|
||||
XRenderPictFormat *alphaFormat;
|
||||
|
||||
XrColor color;
|
||||
XrPicture src;
|
||||
XrPicture picture;
|
||||
XrTransform transform;
|
||||
|
||||
XrPath path;
|
||||
XrPath outline;
|
||||
|
||||
struct _XrGState *next;
|
||||
} XrGState;
|
||||
|
||||
struct _XrState {
|
||||
Display *dpy;
|
||||
XrGState *stack;
|
||||
};
|
||||
|
||||
/* xrstate.c */
|
||||
|
||||
#define CURRENT_GSTATE(xrs) (xrs->stack)
|
||||
|
||||
XrState *
|
||||
XrStateCreate(Display *dpy);
|
||||
|
||||
void
|
||||
XrStateInit(XrState *state, Display *dpy);
|
||||
|
||||
void
|
||||
XrStateDeinit(XrState *xrs);
|
||||
|
||||
void
|
||||
XrStateDestroy(XrState *state);
|
||||
|
||||
void
|
||||
XrStatePush(XrState *xrs);
|
||||
|
||||
void
|
||||
XrStatePop(XrState *xrs);
|
||||
|
||||
/* xrgstate.c */
|
||||
XrGState *
|
||||
XrGStateCreate(Display *dpy);
|
||||
|
||||
XrGState *
|
||||
XrGStateClone(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateInit(XrGState *gstate, Display *dpy);
|
||||
|
||||
void
|
||||
XrGStateInitCopy(XrGState *gstate, XrGState *other);
|
||||
|
||||
void
|
||||
XrGStateDeinit(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateDestroy(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateGetCurrentPoint(XrGState *gstate, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrGStateSetDrawable(XrGState *gstate, Drawable drawable, Visual *visual);
|
||||
|
||||
void
|
||||
XrGStateSetColorRGB(XrGState *gstate, double red, double green, double blue);
|
||||
|
||||
void
|
||||
XrGStateSetAlpha(XrGState *gstate, double alpha);
|
||||
|
||||
void
|
||||
XrGStateSetLineWidth(XrGState *gstate, double width);
|
||||
|
||||
void
|
||||
XrGStateTranslate(XrGState *gstate, double tx, double ty);
|
||||
|
||||
void
|
||||
XrGStateScale(XrGState *gstate, double sx, double sy);
|
||||
|
||||
void
|
||||
XrGStateRotate(XrGState *gstate, double angle);
|
||||
|
||||
void
|
||||
XrGStateNewPath(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateMoveTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateLineTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateRelMoveTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateRelLineTo(XrGState *gstate, double x, double y);
|
||||
|
||||
void
|
||||
XrGStateClosePath(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateStroke(XrGState *gstate);
|
||||
|
||||
void
|
||||
XrGStateFill(XrGState *fill);
|
||||
|
||||
/* xrcolor.c */
|
||||
void
|
||||
XrColorInit(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorDeinit(XrColor *color);
|
||||
|
||||
void
|
||||
XrColorSetRGB(XrColor *color, double red, double green, double blue);
|
||||
|
||||
void
|
||||
XrColorSetAlpha(XrColor *color, double alpha);
|
||||
|
||||
/* xrpath.c */
|
||||
XrPath *
|
||||
XrPathCreate(void);
|
||||
|
||||
void
|
||||
XrPathInit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathInitCopy(XrPath *path, XrPath *other);
|
||||
|
||||
void
|
||||
XrPathReinit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathDeinit(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathDestroy(XrPath *path);
|
||||
|
||||
XrPath *
|
||||
XrPathClone(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathGetCurrentPoint(XrPath *path, XPointDouble *pt);
|
||||
|
||||
int
|
||||
XrPathNumSubPaths(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathNewSubPath(XrPath *path);
|
||||
|
||||
void
|
||||
XrPathAddPoint(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathMoveTo(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathLineTo(XrPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrPathClose(XrPath *path);
|
||||
|
||||
/* xrsubpath.c */
|
||||
XrSubPath *
|
||||
XrSubPathCreate(void);
|
||||
|
||||
void
|
||||
XrSubPathInit(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathInitCopy(XrSubPath *path, XrSubPath *other);
|
||||
|
||||
void
|
||||
XrSubPathDeinit(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathDestroy(XrSubPath *path);
|
||||
|
||||
XrSubPath *
|
||||
XrSubPathClone(XrSubPath *path);
|
||||
|
||||
void
|
||||
XrSubPathGetCurrentPoint(XrSubPath *path, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathSetCurrentPoint(XrSubPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathAddPoint(XrSubPath *path, const XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrSubPathClose(XrSubPath *path);
|
||||
|
||||
/* xrpicture.c */
|
||||
void
|
||||
XrPictureInit(XrPicture *picture, Display *dpy);
|
||||
|
||||
void
|
||||
XrPictureDeinit(XrPicture *picture);
|
||||
|
||||
void
|
||||
XrPictureSetSolidColor(XrPicture *picture, XrColor *color, XRenderPictFormat *format);
|
||||
|
||||
void
|
||||
XrPictureSetDrawable(XrPicture *picture, Drawable drawable, Visual *visual);
|
||||
|
||||
/* xrtransform.c */
|
||||
void
|
||||
XrTransformInit(XrTransform *transform);
|
||||
|
||||
void
|
||||
XrTransformInitMatrix(XrTransform *transform,
|
||||
double a, double b,
|
||||
double c, double d,
|
||||
double tx, double ty);
|
||||
|
||||
void
|
||||
XrTransformInitTranslate(XrTransform *transform,
|
||||
double tx, double ty);
|
||||
|
||||
void
|
||||
XrTransformInitScale(XrTransform *transform,
|
||||
double sx, double sy);
|
||||
|
||||
void
|
||||
XrTransformInitRotate(XrTransform *transform,
|
||||
double angle);
|
||||
|
||||
void
|
||||
XrTransformDeinit(XrTransform *transform);
|
||||
|
||||
void
|
||||
XrTransformCompose(XrTransform *t1, const XrTransform *t2);
|
||||
|
||||
void
|
||||
XrTransformPointWithoutTranslate(XrTransform *transform, XPointDouble *pt);
|
||||
|
||||
void
|
||||
XrTransformPoint(XrTransform *transform, XPointDouble *pt);
|
||||
|
||||
#endif
|
||||
169
xrpath.c
Normal file
169
xrpath.c
Normal file
|
|
@ -0,0 +1,169 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "xrint.h"
|
||||
|
||||
/* private functions */
|
||||
static void
|
||||
_XrPathAddSubPath(XrPath *path, XrSubPath *subpath);
|
||||
|
||||
XrPath *
|
||||
XrPathCreate(void)
|
||||
{
|
||||
XrPath *path;
|
||||
|
||||
path = malloc(sizeof(XrPath));
|
||||
return path;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathInit(XrPath *path)
|
||||
{
|
||||
path->head = NULL;
|
||||
path->tail = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathInitCopy(XrPath *path, XrPath *other)
|
||||
{
|
||||
XrSubPath *subpath, *othersub;
|
||||
|
||||
XrPathInit(path);
|
||||
|
||||
for (othersub = other->head; othersub; othersub = othersub->next) {
|
||||
subpath = XrSubPathClone(othersub);
|
||||
_XrPathAddSubPath(path, subpath);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrPathDeinit(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
while (path->head) {
|
||||
subpath = path->head;
|
||||
path->head = subpath->next;
|
||||
XrSubPathDestroy(subpath);
|
||||
}
|
||||
path->tail = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathDestroy(XrPath *path)
|
||||
{
|
||||
free(path);
|
||||
}
|
||||
|
||||
XrPath *
|
||||
XrPathClone(XrPath *path)
|
||||
{
|
||||
XrPath *clone;
|
||||
|
||||
clone = XrPathCreate();
|
||||
XrPathInitCopy(clone, path);
|
||||
return clone;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathGetCurrentPoint(XrPath *path, XPointDouble *pt)
|
||||
{
|
||||
XrSubPathGetCurrentPoint(path->tail, pt);
|
||||
}
|
||||
|
||||
int
|
||||
XrPathNumSubPaths(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
int num_subpaths;
|
||||
|
||||
num_subpaths = 0;
|
||||
for (subpath = path->head; subpath; subpath = subpath->next) {
|
||||
num_subpaths++;
|
||||
}
|
||||
|
||||
return num_subpaths;
|
||||
}
|
||||
|
||||
static void
|
||||
_XrPathAddSubPath(XrPath *path, XrSubPath *subpath)
|
||||
{
|
||||
subpath->next = NULL;
|
||||
|
||||
if (path->tail) {
|
||||
path->tail->next = subpath;
|
||||
} else {
|
||||
path->head = subpath;
|
||||
}
|
||||
|
||||
path->tail = subpath;
|
||||
}
|
||||
|
||||
void
|
||||
XrPathNewSubPath(XrPath *path)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
subpath = XrSubPathCreate();
|
||||
_XrPathAddSubPath(path, subpath);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathAddPoint(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrSubPathAddPoint(path->tail, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathMoveTo(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrSubPath *subpath;
|
||||
|
||||
subpath = path->tail;
|
||||
|
||||
if (subpath == NULL || subpath->num_pts > 1) {
|
||||
XrPathNewSubPath(path);
|
||||
XrPathAddPoint(path, pt);
|
||||
} else {
|
||||
XrSubPathSetCurrentPoint(subpath, pt);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrPathLineTo(XrPath *path, const XPointDouble *pt)
|
||||
{
|
||||
XrPathAddPoint(path, pt);
|
||||
}
|
||||
|
||||
void
|
||||
XrPathClose(XrPath *path)
|
||||
{
|
||||
XrSubPathClose(path->tail);
|
||||
XrPathNewSubPath(path);
|
||||
}
|
||||
102
xrpicture.c
Normal file
102
xrpicture.c
Normal file
|
|
@ -0,0 +1,102 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
void
|
||||
XrPictureInit(XrPicture *picture, Display *dpy)
|
||||
{
|
||||
picture->dpy = dpy;
|
||||
|
||||
picture->drawable = 0;
|
||||
|
||||
picture->depth = 0;
|
||||
picture->visual = 0;
|
||||
|
||||
picture->format = 0;
|
||||
picture->pa_mask = 0;
|
||||
|
||||
picture->picture = 0;
|
||||
}
|
||||
|
||||
void
|
||||
XrPictureDeinit(XrPicture *picture)
|
||||
{
|
||||
/* XXX: Leak for now. The problem is that I'm not currently cloning this as I should be sometime during XrSave.
|
||||
if (picture->picture) {
|
||||
XRenderFreePicture(picture->dpy, picture->picture);
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
void
|
||||
XrPictureSetSolidColor(XrPicture *picture, XrColor *color, XRenderPictFormat *format)
|
||||
{
|
||||
/* XXX: Special handling for depth==1 ala xftdraw.c? */
|
||||
|
||||
if (picture->picture == 0) {
|
||||
Pixmap pix;
|
||||
XRenderPictureAttributes pa;
|
||||
|
||||
pix = XCreatePixmap(picture->dpy, DefaultRootWindow(picture->dpy), 1, 1, format->depth);
|
||||
pa.repeat = True;
|
||||
picture->picture = XRenderCreatePicture(picture->dpy, pix, format, CPRepeat, &pa);
|
||||
XFreePixmap(picture->dpy, pix);
|
||||
}
|
||||
|
||||
XRenderFillRectangle(picture->dpy, PictOpSrc,
|
||||
picture->picture, &color->render,
|
||||
0, 0, 1, 1);
|
||||
}
|
||||
|
||||
static void
|
||||
_XrPictureFindFormat(XrPicture *picture)
|
||||
{
|
||||
if (picture->format) {
|
||||
return;
|
||||
}
|
||||
|
||||
picture->format = XRenderFindVisualFormat(picture->dpy, picture->visual);
|
||||
}
|
||||
|
||||
void
|
||||
XrPictureSetDrawable(XrPicture *picture, Drawable drawable, Visual *visual)
|
||||
{
|
||||
if (picture->picture) {
|
||||
XRenderFreePicture(picture->dpy, picture->picture);
|
||||
}
|
||||
|
||||
picture->visual = visual;
|
||||
picture->drawable = drawable;
|
||||
|
||||
_XrPictureFindFormat(picture);
|
||||
|
||||
picture->picture = XRenderCreatePicture(picture->dpy, drawable,
|
||||
picture->format, picture->pa_mask, &picture->pa);
|
||||
}
|
||||
|
||||
94
xrstate.c
Normal file
94
xrstate.c
Normal file
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "xrint.h"
|
||||
|
||||
XrState *
|
||||
XrStateCreate(Display *dpy)
|
||||
{
|
||||
XrState *xrs;
|
||||
|
||||
xrs = malloc(sizeof(XrState));
|
||||
|
||||
XrStateInit(xrs, dpy);
|
||||
|
||||
return xrs;
|
||||
}
|
||||
|
||||
void
|
||||
XrStateInit(XrState *xrs, Display *dpy)
|
||||
{
|
||||
xrs->dpy = dpy;
|
||||
xrs->stack = NULL;
|
||||
XrStatePush(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrStateDeinit(XrState *xrs)
|
||||
{
|
||||
while (xrs->stack) {
|
||||
XrStatePop(xrs);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrStateDestroy(XrState *xrs)
|
||||
{
|
||||
XrStateDeinit(xrs);
|
||||
free(xrs);
|
||||
}
|
||||
|
||||
void
|
||||
XrStatePush(XrState *xrs)
|
||||
{
|
||||
XrGState *top;
|
||||
|
||||
if (xrs->stack) {
|
||||
top = XrGStateClone(xrs->stack);
|
||||
} else {
|
||||
top = XrGStateCreate(xrs->dpy);
|
||||
}
|
||||
|
||||
top->next = xrs->stack;
|
||||
xrs->stack = top;
|
||||
}
|
||||
|
||||
void
|
||||
XrStatePop(XrState *xrs)
|
||||
{
|
||||
XrGState *top;
|
||||
|
||||
if (xrs->stack) {
|
||||
top = xrs->stack;
|
||||
xrs->stack = top->next;
|
||||
|
||||
XrGStateDestroy(top);
|
||||
}
|
||||
}
|
||||
|
||||
147
xrsubpath.c
Normal file
147
xrsubpath.c
Normal file
|
|
@ -0,0 +1,147 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "xrint.h"
|
||||
|
||||
#define XR_SUBPATH_GROWTH_INC 10
|
||||
|
||||
XrSubPath *
|
||||
XrSubPathCreate(void)
|
||||
{
|
||||
XrSubPath *path;
|
||||
|
||||
path = malloc(sizeof(XrSubPath));
|
||||
|
||||
XrSubPathInit(path);
|
||||
|
||||
return path;
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathInit(XrSubPath *path)
|
||||
{
|
||||
path->num_pts = 0;
|
||||
|
||||
path->pts_size = 0;
|
||||
path->pts = NULL;
|
||||
|
||||
path->closed = 0;
|
||||
|
||||
path->next = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathInitCopy(XrSubPath *path, XrSubPath *other)
|
||||
{
|
||||
*path = *other;
|
||||
|
||||
path->pts = malloc(path->pts_size * sizeof(XPointDouble));
|
||||
*path->pts = *other->pts;
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathDeinit(XrSubPath *path)
|
||||
{
|
||||
if (path->pts_size) {
|
||||
free(path->pts);
|
||||
path->pts_size = 0;
|
||||
path->num_pts = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathDestroy(XrSubPath *path)
|
||||
{
|
||||
XrSubPathDeinit(path);
|
||||
free(path);
|
||||
}
|
||||
|
||||
XrSubPath *
|
||||
XrSubPathClone(XrSubPath *path)
|
||||
{
|
||||
XrSubPath *clone;
|
||||
|
||||
clone = XrSubPathCreate();
|
||||
XrSubPathInitCopy(clone, path);
|
||||
|
||||
return clone;
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathGetCurrentPoint(XrSubPath *path, XPointDouble *pt)
|
||||
{
|
||||
if (path->num_pts) {
|
||||
*pt = path->pts[path->num_pts-1];
|
||||
} else {
|
||||
/* XXX: What to do for error handling? */
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathSetCurrentPoint(XrSubPath *path, const XPointDouble *pt)
|
||||
{
|
||||
if (path->num_pts) {
|
||||
path->pts[path->num_pts - 1] = *pt;
|
||||
} else {
|
||||
/* XXX: What to do for error handling? */
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_XrSubPathGrow(XrSubPath *path)
|
||||
{
|
||||
XPointDouble *new_pts;
|
||||
|
||||
path->pts_size += XR_SUBPATH_GROWTH_INC;
|
||||
new_pts = realloc(path->pts, path->pts_size * sizeof(XPointDouble));
|
||||
|
||||
if (new_pts) {
|
||||
path->pts = new_pts;
|
||||
} else {
|
||||
path->pts_size -= XR_SUBPATH_GROWTH_INC;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathAddPoint(XrSubPath *path, const XPointDouble *pt)
|
||||
{
|
||||
if (path->num_pts == path->pts_size) {
|
||||
_XrSubPathGrow(path);
|
||||
}
|
||||
|
||||
if (path->num_pts < path->pts_size) {
|
||||
path->pts[path->num_pts++] = *pt;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
XrSubPathClose(XrSubPath *path)
|
||||
{
|
||||
path->closed = 1;
|
||||
}
|
||||
129
xrtransform.c
Normal file
129
xrtransform.c
Normal file
|
|
@ -0,0 +1,129 @@
|
|||
/*
|
||||
* $XFree86: $
|
||||
*
|
||||
* Copyright © 2002 University of Southern California
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software
|
||||
* and its documentation for any purpose is hereby granted without
|
||||
* fee, provided that the above copyright notice appear in all copies
|
||||
* and that both that copyright notice and this permission notice
|
||||
* appear in supporting documentation, and that the name of University
|
||||
* of Southern California not be used in advertising or publicity
|
||||
* pertaining to distribution of the software without specific,
|
||||
* written prior permission. University of Southern California makes
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied
|
||||
* warranty.
|
||||
*
|
||||
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
|
||||
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
|
||||
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
||||
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* Author: Carl Worth, USC, Information Sciences Institute */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "xrint.h"
|
||||
|
||||
static XrTransform XR_TRANSFORM_DEFAULT = {
|
||||
{1, 0,
|
||||
0, 1,
|
||||
0, 0}
|
||||
};
|
||||
|
||||
void
|
||||
XrTransformInit(XrTransform *transform)
|
||||
{
|
||||
*transform = XR_TRANSFORM_DEFAULT;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitMatrix(XrTransform *transform,
|
||||
double a, double b,
|
||||
double c, double d,
|
||||
double tx, double ty)
|
||||
{
|
||||
transform->matrix[0] = a; transform->matrix[1] = b;
|
||||
transform->matrix[2] = c; transform->matrix[3] = d;
|
||||
transform->matrix[4] = tx; transform->matrix[5] = ty;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitTranslate(XrTransform *transform,
|
||||
double tx, double ty)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
1, 0,
|
||||
0, 1,
|
||||
tx, ty);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitScale(XrTransform *transform,
|
||||
double sx, double sy)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
sx, 0,
|
||||
0, sy,
|
||||
0, 0);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformInitRotate(XrTransform *transform,
|
||||
double angle)
|
||||
{
|
||||
XrTransformInitMatrix(transform,
|
||||
cos(angle), sin(angle),
|
||||
-sin(angle), cos(angle),
|
||||
0, 0);
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformDeinit(XrTransform *transform)
|
||||
{
|
||||
/* Nothing to do here */
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformCompose(XrTransform *t1, const XrTransform *t2)
|
||||
{
|
||||
double new[6];
|
||||
|
||||
new[0] = t2->matrix[0] * t1->matrix[0] + t2->matrix[1] * t1->matrix[2];
|
||||
new[1] = t2->matrix[0] * t1->matrix[1] + t2->matrix[1] * t1->matrix[3];
|
||||
new[2] = t2->matrix[2] * t1->matrix[0] + t2->matrix[3] * t1->matrix[2];
|
||||
new[3] = t2->matrix[2] * t1->matrix[1] + t2->matrix[3] * t1->matrix[3];
|
||||
new[4] = t2->matrix[4] * t1->matrix[0] + t2->matrix[5] * t1->matrix[2] + t1->matrix[4];
|
||||
new[5] = t2->matrix[4] * t1->matrix[1] + t2->matrix[5] * t1->matrix[3] + t1->matrix[5];
|
||||
|
||||
memcpy(t1->matrix, new, 6 * sizeof(double));
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformPointWithoutTranslate(XrTransform *transform, XPointDouble *pt)
|
||||
{
|
||||
double new_x, new_y;
|
||||
|
||||
new_x = (transform->matrix[0] * pt->x
|
||||
+ transform->matrix[2] * pt->y);
|
||||
new_y = (transform->matrix[1] * pt->x
|
||||
+ transform->matrix[3] * pt->y);
|
||||
|
||||
pt->x = new_x;
|
||||
pt->y = new_y;
|
||||
}
|
||||
|
||||
void
|
||||
XrTransformPoint(XrTransform *transform, XPointDouble *pt)
|
||||
{
|
||||
XrTransformPointWithoutTranslate(transform, pt);
|
||||
|
||||
pt->x += transform->matrix[4];
|
||||
pt->y += transform->matrix[5];
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue