void QuartzBitmap_Output(QuartzDesc_t dev, QuartzBitmapDevice *qbd)
{
if(qbd->path && qbd->uti) {
/* On 10.4+ we can employ the CGImageDestination API to create a
variety of different bitmap formats */
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
char buf[PATH_MAX+1];
snprintf(buf, PATH_MAX, qbd->path, qbd->page); buf[PATH_MAX] = '\0';
CFStringRef pathString = CFStringCreateWithBytes(kCFAllocatorDefault, (UInt8*) buf, strlen(buf), kCFStringEncodingUTF8, FALSE);
CFURLRef path;
if(CFStringFind(pathString, CFSTR("://"), 0).location != kCFNotFound) {
CFStringRef pathEscaped = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, pathString, NULL, NULL, kCFStringEncodingUTF8);
path = CFURLCreateWithString(kCFAllocatorDefault, pathEscaped, NULL);
CFRelease(pathEscaped);
} else {
path = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8*) buf, strlen(buf), FALSE);
}
CFRelease(pathString);
CFStringRef scheme = CFURLCopyScheme(path);
CFStringRef type = CFStringCreateWithBytes(kCFAllocatorDefault, (UInt8*) qbd->uti, strlen(qbd->uti), kCFStringEncodingUTF8, FALSE);
CGImageRef image = CGBitmapContextCreateImage(qbd->bitmap);
if(CFStringCompare(scheme,CFSTR("file"), 0) == 0) { /* file output */
CGImageDestinationRef dest = CGImageDestinationCreateWithURL(path, type, 1, NULL);
if(dest) {
CGImageDestinationAddImage(dest, image, NULL);
CGImageDestinationFinalize(dest);
CFRelease(dest);
} else
error(_("QuartzBitmap_Output - unable to open file '%s'"), buf);
} else if(CFStringCompare(scheme, CFSTR("clipboard"), 0) == 0) { /* clipboard output */
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
CGImageDestinationRef dest = CGImageDestinationCreateWithData(data, type, 1, NULL);
CGImageDestinationAddImage(dest, image, NULL);
CGImageDestinationFinalize(dest);
CFRelease(dest);
PasteboardRef pb = NULL;
if(PasteboardCreate(kPasteboardClipboard, &pb) == noErr) {
PasteboardClear(pb);
PasteboardSynchronize(pb);
PasteboardPutItemFlavor(pb, (PasteboardItemID) 1, type, data, 0);
}
CFRelease(data);
} else
warning(_("not a supported scheme, no image data written"));
CFRelease(scheme);
CFRelease(type);
CFRelease(path);
CFRelease(image);
#endif
}
}
static void quartz_format(GVJ_t *job)
{
/* image destination -> data consumer -> job's gvdevice */
/* data provider <- job's imagedata */
CGDataConsumerRef data_consumer = CGDataConsumerCreate(job, &device_data_consumer_callbacks);
CGImageDestinationRef image_destination = CGImageDestinationCreateWithDataConsumer(data_consumer, format_uti[job->device.id], 1, NULL);
CGDataProviderRef data_provider = CGDataProviderCreateDirect(job->imagedata, BYTES_PER_PIXEL * job->width * job->height, &memory_data_provider_callbacks);
/* add the bitmap image to the destination and save it */
CGColorSpaceRef color_space = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
CGImageRef image = CGImageCreate (
job->width, /* width in pixels */
job->height, /* height in pixels */
BITS_PER_COMPONENT, /* bits per component */
BYTES_PER_PIXEL * 8, /* bits per pixel */
BYTES_PER_PIXEL * job->width, /* bytes per row: exactly width # of pixels */
color_space, /* color space: sRGB */
kCGImageAlphaPremultipliedFirst, /* bitmap info: corresponds to CAIRO_FORMAT_ARGB32 */
data_provider, /* data provider: from imagedata */
NULL, /* decode: don't remap colors */
FALSE, /* don't interpolate */
kCGRenderingIntentDefault /* rendering intent (what to do with out-of-gamut colors): default */
);
CGImageDestinationAddImage(image_destination, image, NULL);
CGImageDestinationFinalize(image_destination);
/* clean up */
CGImageRelease(image);
CGColorSpaceRelease(color_space);
CGDataProviderRelease(data_provider);
if (image_destination)
CFRelease(image_destination);
CGDataConsumerRelease(data_consumer);
}
/* Encode bitmaps via CGImageDestination. We setup a DataConsumer which writes
to our SkWStream. Since we don't reference/own the SkWStream, our consumer
must only live for the duration of the onEncode() method.
*/
bool SkImageEncoder_CG::onEncode(SkWStream* stream, const SkBitmap& bm,
int quality) {
CFStringRef type;
switch (fType) {
case kJPEG_Type:
type = kUTTypeJPEG;
break;
case kPNG_Type:
type = kUTTypePNG;
break;
default:
return false;
}
CGImageDestinationRef dst = SkStreamToImageDestination(stream, type);
if (NULL == dst) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> ardst(dst);
CGImageRef image = SkCreateCGImageRef(bm);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> agimage(image);
CGImageDestinationAddImage(dst, image, NULL);
CGImageDestinationFinalize(dst);
return true;
}
//-----------------------------------------------------------------------------
bool IPlatformBitmap::createMemoryPNGRepresentation (IPlatformBitmap* bitmap, void** ptr, uint32_t& size)
{
bool result = false;
#if !TARGET_OS_IPHONE
CGBitmap* cgBitmap = dynamic_cast<CGBitmap*> (bitmap);
if (cgBitmap)
{
CGImageRef image = cgBitmap->getCGImage ();
if (image)
{
CFMutableDataRef data = CFDataCreateMutable (NULL, 0);
if (data)
{
CGImageDestinationRef dest = CGImageDestinationCreateWithData (data, kUTTypePNG, 1, 0);
if (dest)
{
CGImageDestinationAddImage (dest, image, 0);
if (CGImageDestinationFinalize (dest))
{
size = (uint32_t)CFDataGetLength (data);
*ptr = malloc (size);
CFDataGetBytes (data, CFRangeMake (0, size), (UInt8*)*ptr);
result = true;
}
CFRelease (dest);
}
CFRelease (data);
}
}
}
#endif
return result;
}
static String CGImageToDataURL(CGImageRef image, const String& mimeType, const double* quality)
{
RetainPtr<CFMutableDataRef> data(AdoptCF, CFDataCreateMutable(kCFAllocatorDefault, 0));
if (!data)
return "data:,";
RetainPtr<CFStringRef> uti = utiFromMIMEType(mimeType);
ASSERT(uti);
RetainPtr<CGImageDestinationRef> destination(AdoptCF, CGImageDestinationCreateWithData(data.get(), uti.get(), 1, 0));
if (!destination)
return "data:,";
RetainPtr<CFDictionaryRef> imageProperties = 0;
if (CFEqual(uti.get(), jpegUTI()) && quality && *quality >= 0.0 && *quality <= 1.0) {
// Apply the compression quality to the image destination.
RetainPtr<CFNumberRef> compressionQuality(AdoptCF, CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, quality));
const void* key = kCGImageDestinationLossyCompressionQuality;
const void* value = compressionQuality.get();
imageProperties.adoptCF(CFDictionaryCreate(0, &key, &value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
}
// Setting kCGImageDestinationBackgroundColor to black in imageProperties would allow saving some math in the
// calling functions, but it doesn't seem to work.
CGImageDestinationAddImage(destination.get(), image, imageProperties.get());
CGImageDestinationFinalize(destination.get());
Vector<char> out;
base64Encode(reinterpret_cast<const char*>(CFDataGetBytePtr(data.get())), CFDataGetLength(data.get()), out);
return "data:" + mimeType + ";base64," + out;
}
void wxBitmapDataObject::SetBitmap( const wxBitmap& rBitmap )
{
Clear();
wxBitmapDataObjectBase::SetBitmap( rBitmap );
if (m_bitmap.IsOk())
{
CGImageRef cgImageRef = (CGImageRef) m_bitmap.CreateCGImage();
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
CGImageDestinationRef destination = CGImageDestinationCreateWithData( data , kUTTypeTIFF , 1 , NULL );
if ( destination )
{
CGImageDestinationAddImage( destination, cgImageRef, NULL );
CGImageDestinationFinalize( destination );
CFRelease( destination );
}
m_pictHandle = NewHandle(CFDataGetLength(data));
if ( m_pictHandle )
{
memcpy( *(Handle)m_pictHandle, (const char *)CFDataGetBytePtr(data), CFDataGetLength(data) );
}
CFRelease( data );
CGImageRelease(cgImageRef);
}
}
static void printPNG(CGImageRef image)
{
RetainPtr<CFMutableDataRef> imageData(AdoptCF, CFDataCreateMutable(0, 0));
RetainPtr<CGImageDestinationRef> imageDest(AdoptCF, CGImageDestinationCreateWithData(imageData.get(), kUTTypePNG, 1, 0));
CGImageDestinationAddImage(imageDest.get(), image, 0);
CGImageDestinationFinalize(imageDest.get());
printf("Content-Length: %lu\n", CFDataGetLength(imageData.get()));
fwrite(CFDataGetBytePtr(imageData.get()), 1, CFDataGetLength(imageData.get()), stdout);
}
/* Encode bitmaps via CGImageDestination. We setup a DataConsumer which writes
to our SkWStream. Since we don't reference/own the SkWStream, our consumer
must only live for the duration of the onEncode() method.
*/
bool SkEncodeImageWithCG(SkWStream* stream, const SkPixmap& pixmap, SkEncodedImageFormat format) {
SkBitmap bm;
if (!bm.installPixels(pixmap)) {
return false;
}
bm.setImmutable();
CFStringRef type;
switch (format) {
case SkEncodedImageFormat::kICO:
type = kUTTypeICO;
break;
case SkEncodedImageFormat::kBMP:
type = kUTTypeBMP;
break;
case SkEncodedImageFormat::kGIF:
type = kUTTypeGIF;
break;
case SkEncodedImageFormat::kJPEG:
type = kUTTypeJPEG;
break;
case SkEncodedImageFormat::kPNG:
// PNG encoding an ARGB_4444 bitmap gives the following errors in GM:
// <Error>: CGImageDestinationAddImage image could not be converted to destination
// format.
// <Error>: CGImageDestinationFinalize image destination does not have enough images
// So instead we copy to 8888.
if (bm.colorType() == kARGB_4444_SkColorType) {
SkBitmap bitmapN32;
bitmapN32.allocPixels(bm.info().makeColorType(kN32_SkColorType));
bm.readPixels(bitmapN32.info(), bitmapN32.getPixels(), bitmapN32.rowBytes(), 0, 0);
bm.swap(bitmapN32);
}
type = kUTTypePNG;
break;
default:
return false;
}
CGImageDestinationRef dst = SkStreamToImageDestination(stream, type);
if (nullptr == dst) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> ardst(dst);
CGImageRef image = SkCreateCGImageRef(bm);
if (nullptr == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> agimage(image);
CGImageDestinationAddImage(dst, image, nullptr);
return CGImageDestinationFinalize(dst);
}
void wxBitmapDataObject::SetBitmap( const wxBitmap& rBitmap )
{
Clear();
wxBitmapDataObjectBase::SetBitmap( rBitmap );
if (m_bitmap.Ok())
{
#if wxMAC_USE_CORE_GRAPHICS
CGImageRef cgImageRef = (CGImageRef) m_bitmap.CGImageCreate();
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if ( UMAGetSystemVersion() >= 0x1040 )
{
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
CGImageDestinationRef destination = CGImageDestinationCreateWithData( data , kUTTypeTIFF , 1 , NULL );
if ( destination )
{
CGImageDestinationAddImage( destination, cgImageRef, NULL );
CGImageDestinationFinalize( destination );
CFRelease( destination );
}
m_pictHandle = NewHandle(CFDataGetLength(data));
if ( m_pictHandle )
{
memcpy( *(Handle)m_pictHandle, (const char *)CFDataGetBytePtr(data), CFDataGetLength(data) );
}
CFRelease( data );
}
else
#endif
#ifndef __LP64__
{
// export as TIFF
GraphicsExportComponent exporter = 0;
OSStatus err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypeTIFF, &exporter);
if (noErr == err)
{
m_pictHandle = NewHandle(0);
if ( m_pictHandle )
{
err = GraphicsExportSetInputCGImage( exporter, cgImageRef);
err = GraphicsExportSetOutputHandle(exporter, (Handle)m_pictHandle);
err = GraphicsExportDoExport(exporter, NULL);
}
CloseComponent( exporter );
}
}
#endif
CGImageRelease(cgImageRef);
#else
m_pictHandle = m_bitmap.GetBitmapData()->GetPictHandle();
m_pictCreated = false;
#endif
}
}
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 dumpBitmap(CGContextRef bitmapContext, const char* checksum)
{
RetainPtr<CGImageRef> image = adoptCF(CGBitmapContextCreateImage(bitmapContext));
RetainPtr<CFMutableDataRef> imageData = adoptCF(CFDataCreateMutable(0, 0));
RetainPtr<CGImageDestinationRef> imageDest = adoptCF(CGImageDestinationCreateWithData(imageData.get(), kUTTypePNG, 1, 0));
CGImageDestinationAddImage(imageDest.get(), image.get(), 0);
CGImageDestinationFinalize(imageDest.get());
const unsigned char* data = CFDataGetBytePtr(imageData.get());
const size_t dataLength = CFDataGetLength(imageData.get());
printPNG(data, dataLength, checksum);
}
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;
}
/* Encode bitmaps via CGImageDestination. We setup a DataConsumer which writes
to our SkWStream. Since we don't reference/own the SkWStream, our consumer
must only live for the duration of the onEncode() method.
*/
bool SkImageEncoder_CG::onEncode(SkWStream* stream, const SkBitmap& bm,
int quality) {
// Used for converting a bitmap to 8888.
const SkBitmap* bmPtr = &bm;
SkBitmap bitmap8888;
CFStringRef type;
switch (fType) {
case kICO_Type:
type = kUTTypeICO;
break;
case kBMP_Type:
type = kUTTypeBMP;
break;
case kGIF_Type:
type = kUTTypeGIF;
break;
case kJPEG_Type:
type = kUTTypeJPEG;
break;
case kPNG_Type:
// PNG encoding an ARGB_4444 bitmap gives the following errors in GM:
// <Error>: CGImageDestinationAddImage image could not be converted to destination
// format.
// <Error>: CGImageDestinationFinalize image destination does not have enough images
// So instead we copy to 8888.
if (bm.colorType() == kARGB_4444_SkColorType) {
bm.copyTo(&bitmap8888, kN32_SkColorType);
bmPtr = &bitmap8888;
}
type = kUTTypePNG;
break;
default:
return false;
}
CGImageDestinationRef dst = SkStreamToImageDestination(stream, type);
if (NULL == dst) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> ardst(dst);
CGImageRef image = SkCreateCGImageRef(*bmPtr);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> agimage(image);
CGImageDestinationAddImage(dst, image, NULL);
return CGImageDestinationFinalize(dst);
}
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
}
}
static void exportCGImageToFileWithDestination(CGImageRef image, CFURLRef url,
CFStringRef outputFormat,
float dpi)
{
CFTypeRef keys[2];
CFTypeRef values[2];
CFDictionaryRef options = NULL;
// Create an image destination at the supplied URL that
// corresponds to the output image format. The destination will
// only contain 1 image.
CGImageDestinationRef imageDestination =
CGImageDestinationCreateWithURL(url, outputFormat, 1, NULL);
if(imageDestination == NULL){
fprintf(stderr, "Couldn't create image destination!\n");
return;
}
// Set the keys to be the x and y resolution of the image.
keys[0] = kCGImagePropertyDPIWidth;
keys[1] = kCGImagePropertyDPIHeight;
// Create a CFNumber for the resolution and use it as the
// x and y resolution.
values[0] = values[1] = CFNumberCreate(NULL, kCFNumberFloatType, &dpi);
// Create an options dictionary with these keys.
options = CFDictionaryCreate(NULL,
(const void **)keys,
(const void **)values,
2,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
// Release the CFNumber the code created.
CFRelease(values[0]);
// Add the image with the options dictionary to the destination.
CGImageDestinationAddImage(imageDestination, image, options);
// Release the options dictionary this code created.
CFRelease(options);
// When all the images are added to the destination, finalize it.
CGImageDestinationFinalize(imageDestination);
// Release the destination when done with it.
CFRelease(imageDestination);
}
String ImageBuffer::toDataURL(const String& mimeType, const double* quality) const
{
ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));
RetainPtr<CGImageRef> image;
if (!m_accelerateRendering)
image.adoptCF(CGBitmapContextCreateImage(context()->platformContext()));
#if USE(IOSURFACE_CANVAS_BACKING_STORE)
else
image.adoptCF(wkIOSurfaceContextCreateImage(context()->platformContext()));
#endif
if (!image)
return "data:,";
RetainPtr<CFMutableDataRef> data(AdoptCF, CFDataCreateMutable(kCFAllocatorDefault, 0));
if (!data)
return "data:,";
RetainPtr<CFStringRef> uti = utiFromMIMEType(mimeType);
ASSERT(uti);
RetainPtr<CGImageDestinationRef> destination(AdoptCF, CGImageDestinationCreateWithData(data.get(), uti.get(), 1, 0));
if (!destination)
return "data:,";
RetainPtr<CFDictionaryRef> imageProperties = 0;
if (CFEqual(uti.get(), jpegUTI()) && quality && *quality >= 0.0 && *quality <= 1.0) {
// Apply the compression quality to the image destination.
RetainPtr<CFNumberRef> compressionQuality(AdoptCF, CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, quality));
const void* key = kCGImageDestinationLossyCompressionQuality;
const void* value = compressionQuality.get();
imageProperties.adoptCF(CFDictionaryCreate(0, &key, &value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
}
CGImageDestinationAddImage(destination.get(), image.get(), imageProperties.get());
CGImageDestinationFinalize(destination.get());
Vector<char> out;
base64Encode(reinterpret_cast<const char*>(CFDataGetBytePtr(data.get())), CFDataGetLength(data.get()), out);
return makeString("data:", mimeType, ";base64,", out);
}
int main (int argc, const char * argv[])
{
if(argc >= 2) {
CGPDFDocumentRef doc = CGPDFDocumentCreateWithProvider(CGDataProviderCreateWithFilename(argv[1]));
size_t pages = CGPDFDocumentGetNumberOfPages(doc);
printf("%lu pages\n", pages);
for(size_t i = 1; i <= pages; i++) {
char filename[1024];
snprintf(filename, 1024, "%s.%03lu.png", argv[1], i);
printf("writing file: %s\n", filename);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(NULL, SIZE, SIZE, 8, 4 * SIZE, colorSpace, kCGImageAlphaPremultipliedLast);
CGColorSpaceRelease(colorSpace);
CGContextDrawPDFDocument(context, CGRectMake(0, 0, SIZE, SIZE), doc, (int)i);
CGImageRef image = CGBitmapContextCreateImage(context);
CGImageDestinationRef dest = CGImageDestinationCreateWithURL(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFStringCreateWithCString(kCFAllocatorDefault, filename, kCFStringEncodingASCII), kCFURLPOSIXPathStyle, false), kUTTypePNG, 1, NULL);
CGImageDestinationAddImage(dest, image, NULL);
CGImageDestinationFinalize(dest);
CGImageRelease(image);
CGContextRelease(context);
}
CGPDFDocumentRelease(doc);
} else {
printf("pdf2png [filename]\n");
return 1;
}
return 0;
}
String ImageBuffer::toDataURL(const String& mimeType) const
{
ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));
RetainPtr<CGImageRef> image(AdoptCF, CGBitmapContextCreateImage(context()->platformContext()));
if (!image)
return "data:,";
size_t width = CGImageGetWidth(image.get());
size_t height = CGImageGetHeight(image.get());
OwnArrayPtr<uint32_t> imageData(new uint32_t[width * height]);
if (!imageData)
return "data:,";
RetainPtr<CGImageRef> transformedImage(AdoptCF, CGBitmapContextCreateImage(context()->platformContext()));
if (!transformedImage)
return "data:,";
RetainPtr<CFMutableDataRef> transformedImageData(AdoptCF, CFDataCreateMutable(kCFAllocatorDefault, 0));
if (!transformedImageData)
return "data:,";
RetainPtr<CGImageDestinationRef> imageDestination(AdoptCF, CGImageDestinationCreateWithData(transformedImageData.get(),
utiFromMIMEType(mimeType).get(), 1, 0));
if (!imageDestination)
return "data:,";
CGImageDestinationAddImage(imageDestination.get(), transformedImage.get(), 0);
CGImageDestinationFinalize(imageDestination.get());
Vector<char> in;
in.append(CFDataGetBytePtr(transformedImageData.get()), CFDataGetLength(transformedImageData.get()));
Vector<char> out;
base64Encode(in, out);
out.append('\0');
return String::format("data:%s;base64,%s", mimeType.utf8().data(), out.data());
}
void os_image_save_to_file(const char* filename, unsigned char* data, int width, int height, int channels) {
assert((channels == 3) || (channels == 4));
const int bytesPerRow = (width * channels);
const int bytesPerImage = (bytesPerRow * height);
const int bitsPerChannel = 8;
const int bitsPerPixel = (bitsPerChannel * channels);
CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
CFDataRef rgbData = CFDataCreate(NULL, data, bytesPerImage);
CGDataProviderRef provider = CGDataProviderCreateWithCFData(rgbData);
CGImageRef imageRef = CGImageCreate(
width,
height,
bitsPerChannel,
bitsPerPixel,
bytesPerRow,
colorspace,
kCGBitmapByteOrderDefault,
provider,
NULL,
true,
kCGRenderingIntentDefault);
CFRelease(rgbData);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorspace);
CFURLRef url = CFURLCreateFromFileSystemRepresentation(NULL, (const uint8_t*)filename, (CFIndex)strlen(filename), false);
CGImageDestinationRef destination = CGImageDestinationCreateWithURL(url, kUTTypePNG, 1, NULL);
CGImageDestinationAddImage(destination, imageRef, nil);
if (!CGImageDestinationFinalize(destination)) {
fprintf(stderr, "Failed to write image to %s\n", filename);
}
CFRelease(destination);
CFRelease(url);
CGImageRelease(imageRef);
}
int main(int argc, const char * argv[])
{
size_t width = 2000;
size_t height = 2000;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(nullptr, width, height, 8, width * 4, colorSpace, kCGImageAlphaNoneSkipLast);
CGColorSpaceRelease(colorSpace);
const std::vector<uint8_t> fontVector = generateFont();
std::ofstream outputFile("/Volumes/Data/home/mmaxfield/tmp/output.otf", std::ios::out | std::ios::binary);
for (uint8_t b : fontVector)
outputFile << b;
outputFile.close();
CFDataRef fontData = CFDataCreate(kCFAllocatorDefault, fontVector.data(), fontVector.size());
CTFontDescriptorRef fontDescriptor = CTFontManagerCreateFontDescriptorFromData(fontData);
CFRelease(fontData);
CFTypeRef featureValues[] = { CFSTR("liga"), CFSTR("clig"), CFSTR("dlig"), CFSTR("hlig"), CFSTR("calt"), CFSTR("subs"), CFSTR("sups"), CFSTR("smcp"), CFSTR("c2sc"), CFSTR("pcap"), CFSTR("c2pc"), CFSTR("unic"), CFSTR("titl"), CFSTR("onum"), CFSTR("pnum"), CFSTR("tnum"), CFSTR("frac"), CFSTR("afrc"), CFSTR("ordn"), CFSTR("zero"), CFSTR("hist"), CFSTR("jp78"), CFSTR("jp83"), CFSTR("jp90"), CFSTR("jp04"), CFSTR("smpl"), CFSTR("trad"), CFSTR("fwid"), CFSTR("pwid"), CFSTR("ruby") };
CFArrayRef features = CFArrayCreate(kCFAllocatorDefault, featureValues, 30, &kCFTypeArrayCallBacks);
for (CFIndex i = 0; i < CFArrayGetCount(features); ++i) {
drawTextWithFeature(context, fontDescriptor, static_cast<CFStringRef>(CFArrayGetValueAtIndex(features, i)), 1, CGPointMake(25, 1950 - 50 * i));
drawTextWithFeature(context, fontDescriptor, static_cast<CFStringRef>(CFArrayGetValueAtIndex(features, i)), 0, CGPointMake(25, 1925 - 50 * i));
}
CFRelease(features);
CFRelease(fontDescriptor);
CGImageRef image = CGBitmapContextCreateImage(context);
CGContextRelease(context);
CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR("/Volumes/Data/home/mmaxfield/tmp/output.png"), kCFURLPOSIXPathStyle, FALSE);
CGImageDestinationRef imageDestination = CGImageDestinationCreateWithURL(url, kUTTypePNG, 1, nullptr);
CFRelease(url);
CGImageDestinationAddImage(imageDestination, image, nullptr);
CGImageRelease(image);
CGImageDestinationFinalize(imageDestination);
CFRelease(imageDestination);
return 0;
}
static bool CGImageEncodeToData(CGImageRef image, CFStringRef uti, const double* quality, CFMutableDataRef data)
{
if (!image || !uti || !data)
return false;
RetainPtr<CGImageDestinationRef> destination = adoptCF(CGImageDestinationCreateWithData(data, uti, 1, 0));
if (!destination)
return false;
RetainPtr<CFDictionaryRef> imageProperties = 0;
if (CFEqual(uti, jpegUTI()) && quality && *quality >= 0.0 && *quality <= 1.0) {
// Apply the compression quality to the JPEG image destination.
RetainPtr<CFNumberRef> compressionQuality = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, quality));
const void* key = kCGImageDestinationLossyCompressionQuality;
const void* value = compressionQuality.get();
imageProperties = adoptCF(CFDictionaryCreate(0, &key, &value, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
}
// Setting kCGImageDestinationBackgroundColor to black for JPEG images in imageProperties would save some math
// in the calling functions, but it doesn't seem to work.
CGImageDestinationAddImage(destination.get(), image, imageProperties.get());
return CGImageDestinationFinalize(destination.get());
}
QList<QByteArray> QMacPasteboardMimeTiff::convertFromMime(const QString &mime, QVariant variant, QString flav)
{
QList<QByteArray> ret;
if (!canConvert(mime, flav))
return ret;
QImage img = qvariant_cast<QImage>(variant);
QCFType<CGImageRef> cgimage = qt_mac_createCGImageFromQImage(img);
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
QCFType<CFMutableDataRef> data = CFDataCreateMutable(0, 0);
QCFType<CGImageDestinationRef> imageDestination = CGImageDestinationCreateWithData(data, kUTTypeTIFF, 1, 0);
if (imageDestination != 0) {
CFTypeRef keys[2];
QCFType<CFTypeRef> values[2];
QCFType<CFDictionaryRef> options;
keys[0] = kCGImagePropertyPixelWidth;
keys[1] = kCGImagePropertyPixelHeight;
int width = img.width();
int height = img.height();
values[0] = CFNumberCreate(0, kCFNumberIntType, &width);
values[1] = CFNumberCreate(0, kCFNumberIntType, &height);
options = CFDictionaryCreate(0, reinterpret_cast<const void **>(keys),
reinterpret_cast<const void **>(values), 2,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CGImageDestinationAddImage(imageDestination, cgimage, options);
CGImageDestinationFinalize(imageDestination);
}
QByteArray ar(CFDataGetLength(data), 0);
CFDataGetBytes(data,
CFRangeMake(0, ar.size()),
reinterpret_cast<UInt8 *>(ar.data()));
ret.append(ar);
} else
#endif
{
#ifdef Q_WS_MAC32
Handle tiff = NewHandle(0);
if (resolveMimeQuickTimeSymbols()) {
GraphicsExportComponent graphicsExporter;
ComponentResult result = OpenADefaultComponent(GraphicsExporterComponentType,
kQTFileTypeTIFF, &graphicsExporter);
if (!result) {
unsigned long sizeWritten;
result = ptrGraphicsExportSetInputCGImage(graphicsExporter, cgimage);
if (!result)
result = ptrGraphicsExportSetOutputHandle(graphicsExporter, tiff);
if (!result)
result = ptrGraphicsExportDoExport(graphicsExporter, &sizeWritten);
CloseComponent(graphicsExporter);
}
}
int size = GetHandleSize((Handle)tiff);
QByteArray ar(reinterpret_cast<char *>(*tiff), size);
ret.append(ar);
DisposeHandle(tiff);
#endif
}
return ret;
}
// save the image
void save_image (vImage_Buffer *src_i, img_prop o, float compression, char *o_file) {
// Create a CFDataRef from the rotated data in the destination vImage_Buffer
CFDataRef output_Data = CFDataCreate (NULL, src_i->data, src_i->height * src_i->rowBytes);
if (o->bits_ppixel == 32) {
// convert from 24bit to 32bit by adding the alpha channel.
output_Data = convert32_24bit (output_Data, o);
src_i->rowBytes = src_i->width * 3;
}
// Check for a NULL value.
if (NULL == output_Data) {
printf ("Could not create CFDataRef from vImage_Buffer.\n");
exit (0);
}
// Create a Data provider from the rotated data
CGDataProviderRef destination_data_provider = CGDataProviderCreateWithCFData (output_Data);
// Check for null
if (NULL == destination_data_provider) {
printf ("Could not create CGDataProviderRef from CGDataRef.\n");
exit (0);
}
CGImageRef processed_image;
// Create the image with sRGB for the colour space
processed_image = CGImageCreate (src_i->width, // 1 width
src_i->height, // 2 height
(size_t)o->bits_ppixel/ (o->bits_ppixel/8), // bitsPerComponent
(size_t)o->bits_ppixel, //bitsPerPixel
src_i->rowBytes, // bytesPerRow
CGColorSpaceCreateDeviceRGB(), // Generic ColourSpace
kCGBitmapByteOrder32Big, // bitmapInfo
destination_data_provider, // Data provider ** DataProviderRef
NULL, // decode
0, // Interpolate
kCGRenderingIntentSaturation); // rendering intent
if (NULL == processed_image) exit (0);
/*
} else {
// release the reference colour space
CGColorSpaceRelease(rgb);
// Create the image with sRGB for the colour space
processed_image = CGImageCreate (src_i->width, // 1 width
src_i->height, // 2 height
(size_t)o->bits_ppixel/ (o->bits_ppixel/8), // bitsPerComponent
(size_t)o->bits_ppixel, //bitsPerPixel
src_i->rowBytes, // bytesPerRow
o->colorSpace, // ColourSpace of original
kCGBitmapByteOrder32Big, // bitmapInfo
destination_data_provider, // Data provider ** DataProviderRef
NULL, // decode
0, // Interpolate
kCGRenderingIntentSaturation); // rendering intent
if (NULL == processed_image) exit (0);
}*/
// create a CFStringRef from the C string
CFStringRef fn = CFStringCreateWithCString (NULL, o_file, kCFStringEncodingUTF8);
if (NULL == fn) exit (0);
// Convert the CFStringRef to a CFURLRef
CFURLRef fon = CFURLCreateWithFileSystemPath (NULL, fn, kCFURLPOSIXPathStyle, false);
if (NULL == fon) exit (0);
// Create an image destination
CGImageDestinationRef image_destination = CGImageDestinationCreateWithURL (fon, kUTTypeJPEG, 1, NULL);
// Release the CFURLRef
CFRelease (fon);
fon = NULL;
// release the CFStringRef
CFRelease (fn);
fn = NULL;
// Check for a NULL value in image_destination
if (NULL == image_destination) {
printf ("Null Image_destination: Could not create the CGImageDestinationRef from the supplied URL.\n");
exit (0);
}
// Set the compression factor for the images
CFStringRef keys[1];
CFTypeRef value[1];
// Use compression key
keys[0] = kCGImageDestinationLossyCompressionQuality;
// set the compression amount. 1 = no compression 0 = max compression
value[0] = CFNumberCreate (NULL, kCFNumberFloatType, &compression);
// Pointer to the image attribs dictionary
CFDictionaryRef options;
// create the dictionary
options = CFDictionaryCreate (kCFAllocatorDefault, (void *)keys, (void *)value, 1, NULL, NULL);
// Copy data to the output information to the destination
CGImageDestinationAddImage (image_destination, processed_image, options);
// Check for a NULL value in image_destination
if (NULL == image_destination) {
printf ("Null Image_destination: Could not add the rotated image.\n");
exit (0);
}
// Write the image to disk
if (!CGImageDestinationFinalize (image_destination)) {
// Could not write the file for some reason
printf ("Could not write the file to disk.\n");
exit (1);
}
// Release the pointer the the scaled buffer
CFRelease (output_Data);
output_Data = NULL;
// Release the dictionary
CFRelease (keys[0]);
CFRelease (value[0]);
CFRelease (options);
options = NULL;
// Release the rotated image.
CGImageRelease (processed_image);
processed_image = NULL;
// Release a data provider
CGDataProviderRelease (destination_data_provider);
destination_data_provider = NULL;
// Release the image destination
CFRelease (image_destination);
image_destination = NULL;
} // save_image
/* write image file */
int BIWriteFile(
const char *fileName,
BIFileType fileType,
const BIImageInfo *imageInfo,
const unsigned char *bitmap)
{
int ourRtn = 0;
CGImageAlphaInfo alpha;
CGBitmapInfo bitmapInfo = 0;
CGContextRef bitmapContextRef = NULL;
CGImageRef imageRef = NULL;
CFURLRef fileURL = NULL;
CGImageDestinationRef imageDestRef = NULL;
CGColorSpaceRef rgbColorSpaceRef = NULL;
CFStringRef uti = NULL;
CFDictionaryRef propDict = NULL;
if(imageInfo->bitsPerPixel == 8) {
/* grayscale image */
rgbColorSpaceRef = CGColorSpaceCreateWithName(kCGColorSpaceGenericGray);
alpha = kCGImageAlphaNone;
bitmapInfo = 0;
}
else {
/* RGB no alpha */
rgbColorSpaceRef = CGColorSpaceCreateDeviceRGB();
alpha = kCGImageAlphaNoneSkipLast;
bitmapInfo = kCGBitmapByteOrder32Big | alpha;
}
if(rgbColorSpaceRef == NULL) {
fprintf(stderr, "***BIWriteFile: Error on CGColorSpaceCreateWithName\n");
ourRtn = 1;
goto errOut;
}
/* A bitmap-oriented CGContextRef based on bitmap data */
bitmapContextRef = CGBitmapContextCreate((void *)bitmap,
imageInfo->imageWidth, imageInfo->imageHeight,
imageInfo->bitsPerComponent, imageInfo->bytesPerRow,
rgbColorSpaceRef,
bitmapInfo);
if(bitmapContextRef == NULL) {
fprintf(stderr, "***BIWriteFile: Error creating CGBitmapContext\n");
ourRtn = 1;
goto errOut;
}
/* CGContextRef --> CGImageRef */
imageRef = CGBitmapContextCreateImage(bitmapContextRef);
fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
(unsigned char*)fileName, strlen(fileName), FALSE);
if(fileURL == NULL) {
fprintf(stderr, "***BIWriteFile: Error on CFURLCreateFromFileSystemRepresentation\n");
ourRtn = 1;
goto errOut;
}
uti = BIGetUTI(fileURL, fileType);
if(uti == NULL) {
ourRtn = 1;
goto errOut;
}
imageDestRef = CGImageDestinationCreateWithURL(fileURL,
uti,
1, NULL );
if(imageDestRef == NULL) {
fprintf(stderr, "***BIWriteFile: Error on CGImageDestinationCreateWithURL\n");
ourRtn = 1;
goto errOut;
}
/* Some BIFileTypes require the specification of a "Lossless" property */
switch(fileType) {
case BI_FT_JPEG2000_Lossless:
case BI_FT_JPEG_Lossless:
{
CFStringRef key = kCGImageDestinationLossyCompressionQuality;
float valf = 1.0;
CFNumberRef val = CFNumberCreate(NULL, kCFNumberFloatType, &valf);
propDict = CFDictionaryCreate(NULL, (const void **)&key, (const void **)&val, 1,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
/*
* The docs say we should be able to set these properties like this,
* but that has no effect. We need to pass it as the 'properties' argument
* to CGImageDestinationAddImage(), below.
* See <rdar://problem/5670614>
*/
//CGImageDestinationSetProperties(imageDestRef, propDict);
CFRelease(val);
break;
}
default:
break;
}
CGImageDestinationAddImage(imageDestRef, imageRef, propDict);
/* Write the image to disk */
if(!CGImageDestinationFinalize(imageDestRef)) {
fprintf(stderr, "***BIWriteFile: Error on CGImageDestinationFinalize\n");
ourRtn = 1;
}
if(propDict != NULL) {
CFRelease(propDict);
}
errOut:
CFRELEASE(bitmapContextRef);
CFRELEASE(imageRef);
CFRELEASE(fileURL);
CFRELEASE(imageDestRef);
CFRELEASE(rgbColorSpaceRef);
return ourRtn;
}
bool ImageIOEncoder::write( const Mat& img, const vector<int>& params )
{
int width = img.cols, height = img.rows;
int _channels = img.channels();
const uchar* data = img.data;
int step = img.step;
// Determine the appropriate UTI based on the filename extension
CFStringRef imageUTI = FilenameToUTI( m_filename.c_str() );
// Determine the Bytes Per Pixel
int bpp = (_channels == 1) ? 1 : 4;
// Write the data into a bitmap context
CGContextRef context;
CGColorSpaceRef colorSpace;
uchar* bitmapData = NULL;
if( bpp == 1 )
colorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericGray );
else if( bpp == 4 )
colorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericRGBLinear );
if( !colorSpace )
return false;
bitmapData = (uchar*)malloc( bpp * height * width );
if( !bitmapData )
{
CGColorSpaceRelease( colorSpace );
return false;
}
context = CGBitmapContextCreate( bitmapData,
width,
height,
8,
bpp * width,
colorSpace,
(bpp == 1) ? kCGImageAlphaNone :
kCGImageAlphaNoneSkipLast );
CGColorSpaceRelease( colorSpace );
if( !context )
{
free( bitmapData );
return false;
}
// Copy pixel information from data into bitmapData
if (bpp == 4)
{
int bitmapIndex = 0;
const uchar * base = data;
for (int y = 0; y < height; y++)
{
const uchar * line = base + y * step;
for (int x = 0; x < width; x++)
{
// Blue channel
bitmapData[bitmapIndex + 2] = line[0];
// Green channel
bitmapData[bitmapIndex + 1] = line[1];
// Red channel
bitmapData[bitmapIndex + 0] = line[2];
line += 3;
bitmapIndex += bpp;
}
}
}
else if (bpp == 1)
{
for (int y = 0; y < height; y++)
memcpy (bitmapData + y * width, data + y * step, width);
}
// Turn the bitmap context into an imageRef
CGImageRef imageRef = CGBitmapContextCreateImage( context );
CGContextRelease( context );
if( !imageRef )
{
free( bitmapData );
return false;
}
// Write the imageRef to a file based on the UTI
CFURLRef imageURLRef = CFURLCreateFromFileSystemRepresentation( NULL,
(const UInt8*)m_filename.c_str(), m_filename.size(), false );
if( !imageURLRef )
{
CGImageRelease( imageRef );
free( bitmapData );
return false;
}
CGImageDestinationRef destRef = CGImageDestinationCreateWithURL( imageURLRef,
imageUTI,
1,
NULL);
CFRelease( imageURLRef );
if( !destRef )
{
CGImageRelease( imageRef );
free( bitmapData );
fprintf(stderr, "!destRef\n");
return false;
}
CGImageDestinationAddImage(destRef, imageRef, NULL);
if( !CGImageDestinationFinalize(destRef) )
{
fprintf(stderr, "Finalize failed\n");
return false;
}
CFRelease( destRef );
CGImageRelease( imageRef );
free( bitmapData );
return true;
}
