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ff02c2c268
The cairo-boilerplate static library cannot use private API defined in the main Cairo shared library, because it has no access to those symbols. Since the code is small, we can just dump it into the boilerplate library.
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
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/*
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* Copyright © 2004,2007 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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#include "cairo-boilerplate-private.h"
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#include <cairo-quartz-private.h>
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#include <dlfcn.h>
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#ifndef RTLD_DEFAULT
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#define RTLD_DEFAULT ((void *) 0)
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#endif
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/*
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* macOS Private functions
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*/
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typedef enum {
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kCGContextTypeUnknown,
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kCGContextTypePDF,
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kCGContextTypePostScript,
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kCGContextTypeWindow,
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kCGContextTypeBitmap,
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kCGContextTypeGL,
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kCGContextTypeDisplayList,
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kCGContextTypeKSeparation,
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kCGContextTypeIOSurface,
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kCGContextTypeCount
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} CGContextType;
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static unsigned int (*CGContextGetTypePtr) (CGContextRef) = NULL;
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static void
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quartz_ensure_symbols (void)
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{
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static cairo_bool_t symbol_lookup_done = FALSE;
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if (!symbol_lookup_done) {
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CGContextGetTypePtr = dlsym (RTLD_DEFAULT, "CGContextGetType");
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symbol_lookup_done = TRUE;
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}
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}
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static cairo_surface_t *
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_cairo_boilerplate_quartz_create_surface (const char *name,
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cairo_content_t content,
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double width,
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double height,
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double max_width,
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double max_height,
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cairo_boilerplate_mode_t mode,
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void **closure)
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{
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cairo_format_t format;
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format = cairo_boilerplate_format_from_content (content);
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*closure = NULL;
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return cairo_quartz_surface_create (format, width, height);
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}
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static bool
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cg_context_is_bitmap (CGContextRef context)
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{
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quartz_ensure_symbols ();
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if (likely (CGContextGetTypePtr)) {
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return CGContextGetTypePtr (context) == kCGContextTypeBitmap;
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}
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return CGBitmapContextGetBitsPerPixel (context) != 0;
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}
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static cairo_status_t
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_cairo_boilerplate_quartz_surface_to_png (cairo_surface_t *surface,
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const char *dest)
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{
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CGContextRef context = cairo_quartz_surface_get_cg_context (surface);
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if (!context || !cg_context_is_bitmap (context)) {
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return CAIRO_STATUS_SURFACE_TYPE_MISMATCH;
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}
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CGImageRef image = CGBitmapContextCreateImage (context);
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CFStringRef png_utti = CFSTR("public.png");
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CFStringRef path;
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CFURLRef url;
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CGImageDestinationRef image_dest;
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path = CFStringCreateWithCString (NULL, dest, kCFStringEncodingUTF8);
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url = CFURLCreateWithFileSystemPath (NULL, path, kCFURLPOSIXPathStyle, FALSE);
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image_dest = CGImageDestinationCreateWithURL (url, png_utti, 1, NULL);
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CGImageDestinationAddImage (image_dest, image, NULL);
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CGImageDestinationFinalize (image_dest);
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CFRelease (url);
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CFRelease (path);
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CGImageRelease (image);
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return CAIRO_STATUS_SUCCESS;
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}
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static const cairo_boilerplate_target_t targets[] = {
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{
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"quartz", "quartz", NULL, NULL,
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CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR_ALPHA, 0,
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"cairo_quartz_surface_create",
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_cairo_boilerplate_quartz_create_surface,
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cairo_surface_create_similar,
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NULL, NULL,
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_cairo_boilerplate_get_image_surface,
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_cairo_boilerplate_quartz_surface_to_png,
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NULL, NULL, NULL,
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TRUE, FALSE, FALSE
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},
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{
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"quartz", "quartz", NULL, NULL,
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CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR, 0,
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"cairo_quartz_surface_create",
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_cairo_boilerplate_quartz_create_surface,
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cairo_surface_create_similar,
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NULL, NULL,
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_cairo_boilerplate_get_image_surface,
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_cairo_boilerplate_quartz_surface_to_png,
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NULL, NULL, NULL,
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FALSE, FALSE, FALSE
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},
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};
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CAIRO_BOILERPLATE (quartz, targets)
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