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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright © 2004,2007 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-private.h"
#include <cairo-quartz-private.h>
#include <dlfcn.h>
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT ((void *) 0)
#endif
/*
* macOS Private functions
*/
typedef enum {
kCGContextTypeUnknown,
kCGContextTypePDF,
kCGContextTypePostScript,
kCGContextTypeWindow,
kCGContextTypeBitmap,
kCGContextTypeGL,
kCGContextTypeDisplayList,
kCGContextTypeKSeparation,
kCGContextTypeIOSurface,
kCGContextTypeCount
} CGContextType;
static unsigned int (*CGContextGetTypePtr) (CGContextRef) = NULL;
static void
quartz_ensure_symbols (void)
{
static cairo_bool_t symbol_lookup_done = FALSE;
if (!symbol_lookup_done) {
CGContextGetTypePtr = dlsym (RTLD_DEFAULT, "CGContextGetType");
symbol_lookup_done = TRUE;
}
}
static cairo_surface_t *
_cairo_boilerplate_quartz_create_surface (const char *name,
cairo_content_t content,
double width,
double height,
double max_width,
double max_height,
cairo_boilerplate_mode_t mode,
void **closure)
{
cairo_format_t format;
format = cairo_boilerplate_format_from_content (content);
*closure = NULL;
return cairo_quartz_surface_create (format, width, height);
}
static bool
cg_context_is_bitmap (CGContextRef context)
{
quartz_ensure_symbols ();
if (likely (CGContextGetTypePtr)) {
return CGContextGetTypePtr (context) == kCGContextTypeBitmap;
}
return CGBitmapContextGetBitsPerPixel (context) != 0;
}
static cairo_status_t
_cairo_boilerplate_quartz_surface_to_png (cairo_surface_t *surface,
const char *dest)
{
CGContextRef context = cairo_quartz_surface_get_cg_context (surface);
if (!context || !cg_context_is_bitmap (context)) {
return CAIRO_STATUS_SURFACE_TYPE_MISMATCH;
}
CGImageRef image = CGBitmapContextCreateImage (context);
CFStringRef png_utti = CFSTR("public.png");
CFStringRef path;
CFURLRef url;
CGImageDestinationRef image_dest;
path = CFStringCreateWithCString (NULL, dest, kCFStringEncodingUTF8);
url = CFURLCreateWithFileSystemPath (NULL, path, kCFURLPOSIXPathStyle, FALSE);
image_dest = CGImageDestinationCreateWithURL (url, png_utti, 1, NULL);
CGImageDestinationAddImage (image_dest, image, NULL);
CGImageDestinationFinalize (image_dest);
CFRelease (url);
CFRelease (path);
CGImageRelease (image);
return CAIRO_STATUS_SUCCESS;
}
static const cairo_boilerplate_target_t targets[] = {
{
"quartz", "quartz", NULL, NULL,
CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR_ALPHA, 0,
"cairo_quartz_surface_create",
_cairo_boilerplate_quartz_create_surface,
cairo_surface_create_similar,
NULL, NULL,
_cairo_boilerplate_get_image_surface,
_cairo_boilerplate_quartz_surface_to_png,
NULL, NULL, NULL,
TRUE, FALSE, FALSE
},
{
"quartz", "quartz", NULL, NULL,
CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR, 0,
"cairo_quartz_surface_create",
_cairo_boilerplate_quartz_create_surface,
cairo_surface_create_similar,
NULL, NULL,
_cairo_boilerplate_get_image_surface,
_cairo_boilerplate_quartz_surface_to_png,
NULL, NULL, NULL,
FALSE, FALSE, FALSE
},
};
CAIRO_BOILERPLATE (quartz, targets)
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