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[boilerplate] Strip ps boilerplate into cairo-boilerplate-ps*

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This commit is contained in:
Behdad Esfahbod 2007-04-19 21:46:51 -04:00
parent 6461f0d120
commit df6b8ecc89
4 changed files with 190 additions and 112 deletions
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5
boilerplate/Makefile.am
View file

@ -19,6 +19,11 @@ libcairoboilerplate_la_SOURCES += cairo-boilerplate-directfb.c
libcairoboilerplate_la_SOURCES += cairo-boilerplate-directfb-private.h
endif
if CAIRO_HAS_PS_SURFACE
libcairoboilerplate_la_SOURCES += cairo-boilerplate-ps.c
libcairoboilerplate_la_SOURCES += cairo-boilerplate-ps-private.h
endif
if CAIRO_HAS_QUARTZ_SURFACE
libcairoboilerplate_la_SOURCES += cairo-boilerplate-quartz.c
libcairoboilerplate_la_SOURCES += cairo-boilerplate-quartz-private.h

44
boilerplate/cairo-boilerplate-ps-private.h Normal file
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@ -0,0 +1,44 @@
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright © 2004,2006 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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 D. Worth <cworth@cworth.org>
*/
#ifndef _CAIRO_BOILERPLATE_PS_PRIVATE_H_
#define _CAIRO_BOILERPLATE_PS_PRIVATE_H_
cairo_surface_t *
_cairo_boilerplate_ps_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
cairo_boilerplate_mode_t mode,
void **closure);
void
_cairo_boilerplate_ps_cleanup (void *closure);
cairo_status_t
_cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char *filename);
#endif

138
boilerplate/cairo-boilerplate-ps.c Normal file
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@ -0,0 +1,138 @@
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright © 2004,2006 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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 D. Worth <cworth@cworth.org>
*/
#include "cairo-boilerplate.h"
#include "cairo-boilerplate-ps-private.h"
#include <cairo-ps.h>
cairo_user_data_key_t ps_closure_key;
typedef struct _ps_target_closure
{
char *filename;
int width;
int height;
cairo_surface_t *target;
} ps_target_closure_t;
cairo_surface_t *
_cairo_boilerplate_ps_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
cairo_boilerplate_mode_t mode,
void **closure)
{
ps_target_closure_t *ptc;
cairo_surface_t *surface;
/* Sanitize back to a real cairo_content_t value. */
if (content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED)
content = CAIRO_CONTENT_COLOR_ALPHA;
*closure = ptc = xmalloc (sizeof (ps_target_closure_t));
xasprintf (&ptc->filename, "%s-ps-%s-out.ps",
name, cairo_boilerplate_content_name (content));
ptc->width = width;
ptc->height = height;
surface = cairo_ps_surface_create (ptc->filename, width, height);
if (cairo_surface_status (surface)) {
free (ptc->filename);
free (ptc);
return NULL;
}
cairo_surface_set_fallback_resolution (surface, 72., 72.);
if (content == CAIRO_CONTENT_COLOR) {
ptc->target = surface;
surface = cairo_surface_create_similar (ptc->target,
CAIRO_CONTENT_COLOR,
width, height);
} else {
ptc->target = NULL;
}
if (cairo_surface_set_user_data (surface,
&ps_closure_key,
ptc,
NULL) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy (surface);
free (ptc->filename);
free (ptc);
return NULL;
}
return surface;
}
cairo_status_t
_cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char *filename)
{
ps_target_closure_t *ptc = cairo_surface_get_user_data (surface, &ps_closure_key);
char command[4096];
/* Both surface and ptc->target were originally created at the
* same dimensions. We want a 1:1 copy here, so we first clear any
* device offset on surface.
*
* In a more realistic use case of device offsets, the target of
* this copying would be of a different size than the source, and
* the offset would be desirable during the copy operation. */
cairo_surface_set_device_offset (surface, 0, 0);
if (ptc->target) {
cairo_t *cr;
cr = cairo_create (ptc->target);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_show_page (cr);
cairo_destroy (cr);
cairo_surface_finish (surface);
surface = ptc->target;
}
cairo_surface_finish (surface);
sprintf (command, "gs -q -r72 -g%dx%d -dSAFER -dBATCH -dNOPAUSE -sDEVICE=pngalpha -sOutputFile=%s %s",
ptc->width, ptc->height, filename, ptc->filename);
if (system (command) == 0)
return CAIRO_STATUS_SUCCESS;
return CAIRO_STATUS_WRITE_ERROR;
}
void
_cairo_boilerplate_ps_cleanup (void *closure)
{
ps_target_closure_t *ptc = closure;
if (ptc->target)
cairo_surface_destroy (ptc->target);
free (ptc->filename);
free (ptc);
}

115
boilerplate/cairo-boilerplate.c
View file

@ -50,6 +50,9 @@
#if CAIRO_HAS_DIRECTFB_SURFACE
#include "cairo-boilerplate-directfb-private.h"
#endif
#if CAIRO_HAS_PS_SURFACE
#include "cairo-boilerplate-ps-private.h"
#endif
#if CAIRO_HAS_QUARTZ_SURFACE
#include "cairo-boilerplate-quartz-private.h"
#endif
@ -849,118 +852,6 @@ _cairo_boilerplate_xcb_cleanup (void *closure)
}
#endif
#if CAIRO_HAS_PS_SURFACE
#include "cairo-ps.h"
cairo_user_data_key_t ps_closure_key;
typedef struct _ps_target_closure
{
char *filename;
int width;
int height;
cairo_surface_t *target;
} ps_target_closure_t;
static cairo_surface_t *
_cairo_boilerplate_ps_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
cairo_boilerplate_mode_t mode,
void **closure)
{
ps_target_closure_t *ptc;
cairo_surface_t *surface;
/* Sanitize back to a real cairo_content_t value. */
if (content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED)
content = CAIRO_CONTENT_COLOR_ALPHA;
*closure = ptc = xmalloc (sizeof (ps_target_closure_t));
xasprintf (&ptc->filename, "%s-ps-%s-out.ps",
name, cairo_boilerplate_content_name (content));
ptc->width = width;
ptc->height = height;
surface = cairo_ps_surface_create (ptc->filename, width, height);
if (cairo_surface_status (surface)) {
free (ptc->filename);
free (ptc);
return NULL;
}
cairo_surface_set_fallback_resolution (surface, 72., 72.);
if (content == CAIRO_CONTENT_COLOR) {
ptc->target = surface;
surface = cairo_surface_create_similar (ptc->target,
CAIRO_CONTENT_COLOR,
width, height);
} else {
ptc->target = NULL;
}
if (cairo_surface_set_user_data (surface,
&ps_closure_key,
ptc,
NULL) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy (surface);
free (ptc->filename);
free (ptc);
return NULL;
}
return surface;
}
static cairo_status_t
_cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char *filename)
{
ps_target_closure_t *ptc = cairo_surface_get_user_data (surface, &ps_closure_key);
char command[4096];
/* Both surface and ptc->target were originally created at the
* same dimensions. We want a 1:1 copy here, so we first clear any
* device offset on surface.
*
* In a more realistic use case of device offsets, the target of
* this copying would be of a different size than the source, and
* the offset would be desirable during the copy operation. */
cairo_surface_set_device_offset (surface, 0, 0);
if (ptc->target) {
cairo_t *cr;
cr = cairo_create (ptc->target);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_show_page (cr);
cairo_destroy (cr);
cairo_surface_finish (surface);
surface = ptc->target;
}
cairo_surface_finish (surface);
sprintf (command, "gs -q -r72 -g%dx%d -dSAFER -dBATCH -dNOPAUSE -sDEVICE=pngalpha -sOutputFile=%s %s",
ptc->width, ptc->height, filename, ptc->filename);
if (system (command) == 0)
return CAIRO_STATUS_SUCCESS;
return CAIRO_STATUS_WRITE_ERROR;
}
static void
_cairo_boilerplate_ps_cleanup (void *closure)
{
ps_target_closure_t *ptc = closure;
if (ptc->target)
cairo_surface_destroy (ptc->target);
free (ptc->filename);
free (ptc);
}
#endif /* CAIRO_HAS_PS_SURFACE */
#if CAIRO_HAS_PDF_SURFACE && CAIRO_CAN_TEST_PDF_SURFACE
#include "cairo-pdf.h"