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[quartz] move _cairo_quartz_create_cgimage to cairo-quartz-surface.c

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This commit is contained in:
Vladimir Vukicevic 2008-09-03 15:34:40 -07:00 • committed by Vladimir Vukicevic
parent e3fb4921a3
commit 2cf4b3161c
2 changed files with 85 additions and 87 deletions
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86
src/cairo-quartz-image-surface.c
View file

@ -36,99 +36,13 @@
#include "cairoint.h"
#ifdef CAIRO_HAS_QUARTZ_IMAGE_SURFACE
#include "cairo-quartz-image.h"
#endif
#include "cairo-quartz-private.h"
#define SURFACE_ERROR_NO_MEMORY (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_NO_MEMORY)))
#define SURFACE_ERROR_TYPE_MISMATCH (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_SURFACE_TYPE_MISMATCH)))
#define SURFACE_ERROR_INVALID_FORMAT (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_INVALID_FORMAT)))
CGImageRef
_cairo_quartz_create_cgimage (cairo_format_t format,
unsigned int width,
unsigned int height,
unsigned int stride,
void *data,
cairo_bool_t interpolate,
CGColorSpaceRef colorSpaceOverride,
CGDataProviderReleaseDataCallback releaseCallback,
void *releaseInfo)
{
CGImageRef image = NULL;
CGDataProviderRef dataProvider = NULL;
CGColorSpaceRef colorSpace = colorSpaceOverride;
CGBitmapInfo bitinfo;
int bitsPerComponent, bitsPerPixel;
switch (format) {
case CAIRO_FORMAT_ARGB32:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
case CAIRO_FORMAT_RGB24:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
/* XXX -- should use CGImageMaskCreate! */
case CAIRO_FORMAT_A8:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceGray();
bitinfo = kCGImageAlphaNone;
bitsPerComponent = 8;
bitsPerPixel = 8;
break;
case CAIRO_FORMAT_A1:
default:
return NULL;
}
dataProvider = CGDataProviderCreateWithData (releaseInfo,
data,
height * stride,
releaseCallback);
if (!dataProvider) {
// manually release
if (releaseCallback)
releaseCallback (releaseInfo, data, height * stride);
goto FINISH;
}
image = CGImageCreate (width, height,
bitsPerComponent,
bitsPerPixel,
stride,
colorSpace,
bitinfo,
dataProvider,
NULL,
interpolate,
kCGRenderingIntentDefault);
FINISH:
CGDataProviderRelease (dataProvider);
if (colorSpace != colorSpaceOverride)
CGColorSpaceRelease (colorSpace);
return image;
}
#ifdef CAIRO_HAS_QUARTZ_IMAGE_SURFACE
static void
DataProviderReleaseCallback (void *info, const void *data, size_t size)
{

86
src/cairo-quartz-surface.c
View file

@ -160,6 +160,87 @@ static void quartz_ensure_symbols(void)
_cairo_quartz_symbol_lookup_done = TRUE;
}
CGImageRef
_cairo_quartz_create_cgimage (cairo_format_t format,
unsigned int width,
unsigned int height,
unsigned int stride,
void *data,
cairo_bool_t interpolate,
CGColorSpaceRef colorSpaceOverride,
CGDataProviderReleaseDataCallback releaseCallback,
void *releaseInfo)
{
CGImageRef image = NULL;
CGDataProviderRef dataProvider = NULL;
CGColorSpaceRef colorSpace = colorSpaceOverride;
CGBitmapInfo bitinfo;
int bitsPerComponent, bitsPerPixel;
switch (format) {
case CAIRO_FORMAT_ARGB32:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
case CAIRO_FORMAT_RGB24:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
/* XXX -- should use CGImageMaskCreate! */
case CAIRO_FORMAT_A8:
if (colorSpace == NULL)
colorSpace = CGColorSpaceCreateDeviceGray();
bitinfo = kCGImageAlphaNone;
bitsPerComponent = 8;
bitsPerPixel = 8;
break;
case CAIRO_FORMAT_A1:
default:
return NULL;
}
dataProvider = CGDataProviderCreateWithData (releaseInfo,
data,
height * stride,
releaseCallback);
if (!dataProvider) {
// manually release
if (releaseCallback)
releaseCallback (releaseInfo, data, height * stride);
goto FINISH;
}
image = CGImageCreate (width, height,
bitsPerComponent,
bitsPerPixel,
stride,
colorSpace,
bitinfo,
dataProvider,
NULL,
interpolate,
kCGRenderingIntentDefault);
FINISH:
CGDataProviderRelease (dataProvider);
if (colorSpace != colorSpaceOverride)
CGColorSpaceRelease (colorSpace);
return image;
}
static inline cairo_bool_t
_cairo_quartz_is_cgcontext_bitmap_context (CGContextRef cgc) {
if (cgc == NULL)
@ -745,10 +826,13 @@ _cairo_surface_to_cgimage (cairo_surface_t *target,
*image_out = NULL;
} else {
cairo_image_surface_t *isurf_snap = NULL;
isurf_snap = _cairo_surface_snapshot (isurf);
isurf_snap = (cairo_image_surface_t*) _cairo_surface_snapshot ((cairo_surface_t*) isurf);
if (isurf_snap == NULL)
return CAIRO_STATUS_NO_MEMORY;
if (isurf_snap->base.type != CAIRO_SURFACE_TYPE_IMAGE)
return CAIRO_STATUS_SURFACE_TYPE_MISMATCH;
image = _cairo_quartz_create_cgimage (isurf_snap->format,
isurf_snap->width,
isurf_snap->height,