static CGImageDestinationRef SkStreamToImageDestination(SkWStream* stream,
CFStringRef type) {
CGDataConsumerRef consumer = SkStreamToCGDataConsumer(stream);
if (NULL == consumer) {
return NULL;
}
SkAutoTCallVProc<const void, CFRelease> arconsumer(consumer);
return CGImageDestinationCreateWithDataConsumer(consumer, type, 1, NULL);
}
err_t MacCGEncoder::writeImage(const Image& image)
{
Image tmp;
if (image.isEmpty())
return ERR_IMAGE_INVALID_SIZE;
err_t err = ERR_OK;
CGDataConsumerRef cgConsumer = NULL;
CGImageDestinationRef cgDestination = NULL;
CGImageRef cgImage = NULL;
cgConsumer = CGDataConsumerCreate(this, &_consumerCallbacks);
if (FOG_IS_NULL(cgConsumer))
{
err = ERR_RT_OUT_OF_MEMORY;
goto _End;
}
cgDestination = CGImageDestinationCreateWithDataConsumer(cgConsumer,
static_cast<MacCGCodecProvider*>(_provider)->getUTType(), 1, NULL);
CFRelease(cgConsumer);
if (FOG_IS_NULL(cgDestination))
{
err = ERR_RT_OUT_OF_MEMORY;
goto _End;
}
if (image.getType() == IMAGE_TYPE_MAC_CG)
cgImage = static_cast<CGImageRef>(const_cast<Image&>(image).getHandle());
if (FOG_IS_NULL(cgImage))
{
err = image.toCGImage(&cgImage);
if (FOG_IS_ERROR(err))
goto _End;
}
CGImageDestinationAddImage(cgDestination, cgImage, NULL);
if (!CGImageDestinationFinalize(cgDestination))
{
err = ERR_IO_CANT_WRITE;
}
_End:
CFRelease(cgDestination);
if (err == ERR_OK)
updateProgress(1.0f);
return err;
}
static void quartzgen_end_job(GVJ_t *job)
{
CGContextRef context = (CGContextRef)job->context;
if (!job->external_context) {
switch (job->device.id) {
case FORMAT_PDF:
/* save the PDF */
CGPDFContextClose(context);
break;
case FORMAT_CGIMAGE:
break;
#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1040
default: /* bitmap formats */
{
/* create an image destination */
CGDataConsumerRef data_consumer = CGDataConsumerCreate(job, &device_data_consumer_callbacks);
CGImageDestinationRef image_destination = CGImageDestinationCreateWithDataConsumer(data_consumer, format_uti[job->device.id], 1, NULL);
/* add the bitmap image to the destination and save it */
CGImageRef image = CGBitmapContextCreateImage(context);
CGImageDestinationAddImage(image_destination, image, NULL);
CGImageDestinationFinalize(image_destination);
/* clean up */
if (image_destination)
CFRelease(image_destination);
CGImageRelease(image);
CGDataConsumerRelease(data_consumer);
}
break;
#endif
}
CGContextRelease(context);
}
else if (job->device.id == FORMAT_CGIMAGE)
{
/* create an image and save it where the window field is, which was set to the passed-in context at begin job */
*((CGImageRef*)job->window) = CGBitmapContextCreateImage(context);
#if __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 20000
void* context_data = CGBitmapContextGetData(context);
size_t context_datalen = CGBitmapContextGetBytesPerRow(context) * CGBitmapContextGetHeight(context);
#endif
CGContextRelease(context);
#if __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 20000
munmap(context_data, context_datalen);
#endif
}
}
int main(int argc, char** argv) {
if (argc <= 1 || !*(argv[1]) || 0 == strcmp(argv[1], "-")) {
fprintf(stderr, "usage:\n\t%s INPUT_PDF_FILE_PATH [OUTPUT_PNG_PATH]\n", argv[0]);
return 1;
}
const char* output = argc > 2 ? argv[2] : nullptr;
CGDataProviderRef data = CGDataProviderCreateWithFilename(argv[1]);
ASSERT(data);
CGPDFDocumentRef pdf = CGPDFDocumentCreateWithProvider(data);
CGDataProviderRelease(data);
ASSERT(pdf);
CGPDFPageRef page = CGPDFDocumentGetPage(pdf, PAGE);
ASSERT(page);
CGRect bounds = CGPDFPageGetBoxRect(page, kCGPDFMediaBox);
int w = (int)CGRectGetWidth(bounds);
int h = (int)CGRectGetHeight(bounds);
CGBitmapInfo info = kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedLast;
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
ASSERT(cs);
std::unique_ptr<uint32_t[]> bitmap(new uint32_t[w * h]);
memset(bitmap.get(), 0xFF, 4 * w * h);
CGContextRef ctx = CGBitmapContextCreate(bitmap.get(), w, h, 8, w * 4, cs, info);
ASSERT(ctx);
CGContextDrawPDFPage(ctx, page);
CGPDFDocumentRelease(pdf);
CGImageRef image = CGBitmapContextCreateImage(ctx);
ASSERT(image);
CGDataConsumerCallbacks procs;
procs.putBytes = [](void* f, const void* buf, size_t s) {
return fwrite(buf, 1, s, (FILE*)f);
};
procs.releaseConsumer = [](void* info) {
fclose((FILE*)info);
};
FILE* ofile = (!output || !output[0] || 0 == strcmp(output, "-"))
? stdout : fopen(output, "wb");
ASSERT(ofile);
CGDataConsumerRef consumer = CGDataConsumerCreate(ofile, &procs);
ASSERT(consumer);
CGImageDestinationRef dst =
CGImageDestinationCreateWithDataConsumer(consumer, kUTTypePNG, 1, nullptr);
CFRelease(consumer);
ASSERT(dst);
CGImageDestinationAddImage(dst, image, nullptr);
ASSERT(CGImageDestinationFinalize(dst));
CFRelease(dst);
CGImageRelease(image);
CGColorSpaceRelease(cs);
CGContextRelease(ctx);
return 0;
}
