CGImageRef ImageSource::createFrameAtIndex(size_t index, float* scale)
{
UNUSED_PARAM(scale);
if (!initialized())
return 0;
#if !PLATFORM(IOS)
UNUSED_PARAM(scale);
RetainPtr<CGImageRef> image = adoptCF(CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions(SkipMetadata)));
#else
// Subsampling can be 1, 2 or 3, which means quarter-, sixteenth- and sixty-fourth-size, respectively.
// A zero or negative value means no subsampling.
int subsampling = scale ? static_cast<int>(log2f(1.0f / std::max(0.1f, std::min(1.0f, *scale)))) : -1;
RetainPtr<CGImageRef> image = adoptCF(CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions(SkipMetadata, subsampling)));
// <rdar://problem/7371198> - CoreGraphics changed the default caching behaviour in iOS 4.0 to kCGImageCachingTransient
// which caused a performance regression for us since the images had to be resampled/recreated every time we called
// CGContextDrawImage. We now tell CG to cache the drawn images. See also <rdar://problem/14366755> -
// CoreGraphics needs to un-deprecate kCGImageCachingTemporary since it's still not the default.
#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif
CGImageSetCachingFlags(image.get(), kCGImageCachingTemporary);
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif
if (scale) {
if (subsampling > 0)
*scale = static_cast<float>(CGImageGetWidth(image.get())) / size(DoNotRespectImageOrientation).width();
else {
ASSERT(static_cast<int>(CGImageGetWidth(image.get())) == size(DoNotRespectImageOrientation).width());
*scale = 1;
}
}
#endif // !PLATFORM(IOS)
CFStringRef imageUTI = CGImageSourceGetType(m_decoder);
static const CFStringRef xbmUTI = CFSTR("public.xbitmap-image");
if (!imageUTI || !CFEqual(imageUTI, xbmUTI))
return image.leakRef();
// If it is an xbm image, mask out all the white areas to render them transparent.
const CGFloat maskingColors[6] = {255, 255, 255, 255, 255, 255};
RetainPtr<CGImageRef> maskedImage = adoptCF(CGImageCreateWithMaskingColors(image.get(), maskingColors));
if (!maskedImage)
return image.leakRef();
return maskedImage.leakRef();
}
CGImageRef ImageSource::createFrameAtIndex(size_t index, SubsamplingLevel subsamplingLevel)
{
if (!initialized())
return 0;
RetainPtr<CGImageRef> image = adoptCF(CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions(SkipMetadata, subsamplingLevel)));
#if PLATFORM(IOS)
// <rdar://problem/7371198> - CoreGraphics changed the default caching behaviour in iOS 4.0 to kCGImageCachingTransient
// which caused a performance regression for us since the images had to be resampled/recreated every time we called
// CGContextDrawImage. We now tell CG to cache the drawn images. See also <rdar://problem/14366755> -
// CoreGraphics needs to un-deprecate kCGImageCachingTemporary since it's still not the default.
#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif
CGImageSetCachingFlags(image.get(), kCGImageCachingTemporary);
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif
#endif // !PLATFORM(IOS)
CFStringRef imageUTI = CGImageSourceGetType(m_decoder);
static const CFStringRef xbmUTI = CFSTR("public.xbitmap-image");
if (!imageUTI || !CFEqual(imageUTI, xbmUTI))
return image.leakRef();
// If it is an xbm image, mask out all the white areas to render them transparent.
const CGFloat maskingColors[6] = {255, 255, 255, 255, 255, 255};
RetainPtr<CGImageRef> maskedImage = adoptCF(CGImageCreateWithMaskingColors(image.get(), maskingColors));
if (!maskedImage)
return image.leakRef();
return maskedImage.leakRef();
}
/* Create a CGImageSourceRef from raw data */
CGImageRef CreateCGImageFromDataStream(std::istream& fin)
{
CGImageRef image_ref = NULL;
CGImageSourceRef source_ref;
/* The easy way would be to use CGImageSourceCreateWithData,
* but this presumes you have a known fixed-length buffer of data.
* The istream makes this harder to know, so we use the ProviderCallbacks APIs
CFDataRef the_cf_data = CFDataCreateWithBytesNoCopy(
kCFAllocatorDefault,
(const UInt8*)the_data,
CFIndex length,
kCFAllocatorNull // do not free data buffer, must do it yourself
);
source_ref = CGImageSourceCreateWithData(the_cf_data, NULL);
*/
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050 // CGDataProviderCreateSequential was introduced in 10.5; CGDataProviderCreate is deprecated
CGDataProviderSequentialCallbacks provider_callbacks =
{
0,
MyProviderGetBytesCallback,
MyProviderSkipForwardBytesCallback,
MyProviderRewindCallback,
MyProviderReleaseInfoCallback
};
CGDataProviderRef data_provider = CGDataProviderCreateSequential(&fin, &provider_callbacks);
#else // CGDataProviderCreate was deprecated in 10.5
CGDataProviderCallbacks provider_callbacks =
{
MyProviderGetBytesCallback,
MyProviderSkipBytesCallback,
MyProviderRewindCallback,
MyProviderReleaseInfoCallback
};
CGDataProviderRef data_provider = CGDataProviderCreate(&fin, &provider_callbacks);
#endif
// If we had a way of hinting at what the data type is, we could
// pass this hint in the second parameter.
source_ref = CGImageSourceCreateWithDataProvider(data_provider, NULL);
CGDataProviderRelease(data_provider);
if(!source_ref)
{
return NULL;
}
image_ref = CGImageSourceCreateImageAtIndex(source_ref, 0, NULL);
/* Don't need the SourceRef any more (error or not) */
CFRelease(source_ref);
return image_ref;
}
/* Remember to CFRelease the created image when done. */
CGImageRef CreateCGImageFromFile(const char *the_path)
{
CFURLRef the_url = NULL;
CGImageRef image_ref = NULL;
CGImageSourceRef source_ref = NULL;
CFStringRef cf_string = NULL;
/* Create a CFString from a C string */
cf_string = CFStringCreateWithCString(
NULL,
the_path,
kCFStringEncodingUTF8
);
if (!cf_string)
{
OSG_WARN << "CreateCGImageFromFile :: could not create CCFSTring" << std::endl;
return NULL;
}
/* Create a CFURL from a CFString */
the_url = CFURLCreateWithFileSystemPath(
NULL,
cf_string,
kCFURLPOSIXPathStyle,
false
);
/* Don't need the CFString any more (error or not) */
CFRelease(cf_string);
if (!the_url)
{
OSG_WARN << "CreateCGImageFromFile :: could not create CFUrl" << std::endl;
return NULL;
}
source_ref = CGImageSourceCreateWithURL(the_url, NULL);
/* Don't need the URL any more (error or not) */
CFRelease(the_url);
if (!source_ref)
{
OSG_WARN << "CreateCGImageFromFile :: could not create ImageSource" << std::endl;
return NULL;
}
// Get the first item in the image source (some image formats may
// contain multiple items).
image_ref = CGImageSourceCreateImageAtIndex(source_ref, 0, NULL);
if (!image_ref)
{
OSG_WARN << "CreateCGImageFromFile :: could not get Image" << std::endl;
}
/* Don't need the SourceRef any more (error or not) */
CFRelease(source_ref);
return image_ref;
}
void GL::Image::load(const unsigned char *buf, size_t bufSize)
{
CFDataRef data = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8*)buf, (CFIndex)bufSize, kCFAllocatorNull);
if (data != NULL) {
CGImageSourceRef imageSource = CGImageSourceCreateWithData(data, NULL);
if (imageSource != NULL) {
CGImageRef img = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL);
if (img != NULL) {
width_ = (int)CGImageGetWidth(img);
height_ = (int)CGImageGetHeight(img);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
if (colorSpace != NULL) {
char *texData = (char*)calloc(width_ * height_ * 4, sizeof(char));
CGContextRef ctx = CGBitmapContextCreate(texData, width_, height_, 8, width_ * 4, colorSpace, kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst);
if (ctx != NULL) {
CGContextDrawImage(ctx, CGRectMake(0.0, 0.0, width_, height_), img);
CGContextRelease(ctx);
loadTextureData_(texData);
}
free(texData);
CGColorSpaceRelease(colorSpace);
}
CGImageRelease(img);
}
CFRelease(imageSource);
}
CFRelease(data);
}
}
//-----------------------------------------------------------------------------
CGImageRef CGBitmap::getCGImage ()
{
if (image == 0 && imageSource)
{
const void* keys[] = {kCGImageSourceShouldCache, kCGImageSourceShouldPreferRGB32};
const void* values[] = {kCFBooleanTrue, kCFBooleanTrue};
CFDictionaryRef options = CFDictionaryCreate (NULL, keys, values, 2, NULL, NULL);
image = CGImageSourceCreateImageAtIndex (imageSource, 0, options);
CFRelease (imageSource);
CFRelease (options);
imageSource = 0;
}
if ((dirty || image == 0) && bits)
{
freeCGImage ();
size_t rowBytes = getBytesPerRow ();
size_t byteCount = rowBytes * size.y;
size_t bitDepth = 32;
CGDataProviderRef provider = CGDataProviderCreateWithData (NULL, bits, byteCount, NULL);
CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Big;
image = CGImageCreate (size.x, size.y, 8, bitDepth, rowBytes, GetCGColorSpace (), bitmapInfo, provider, NULL, false, kCGRenderingIntentDefault);
CGDataProviderRelease (provider);
dirty = false;
}
return image;
}
bool ImageIODecoder::readHeader()
{
CFURLRef imageURLRef;
CGImageSourceRef sourceRef;
// diciu, if ReadHeader is called twice in a row make sure to release the previously allocated imageRef
if (imageRef != NULL)
CGImageRelease(imageRef);
imageRef = NULL;
imageURLRef = CFURLCreateFromFileSystemRepresentation( NULL,
(const UInt8*)m_filename.c_str(), m_filename.size(), false );
sourceRef = CGImageSourceCreateWithURL( imageURLRef, NULL );
CFRelease( imageURLRef );
if ( !sourceRef )
return false;
imageRef = CGImageSourceCreateImageAtIndex( sourceRef, 0, NULL );
CFRelease( sourceRef );
if( !imageRef )
return false;
m_width = CGImageGetWidth( imageRef );
m_height = CGImageGetHeight( imageRef );
CGColorSpaceRef colorSpace = CGImageGetColorSpace( imageRef );
if( !colorSpace )
return false;
m_type = CGColorSpaceGetNumberOfComponents( colorSpace ) > 1 ? CV_8UC3 : CV_8UC1;
return true;
}
err_t MacCGDecoder::readImage(Image& image)
{
err_t err = ERR_OK;
if (_cgImageSource == NULL)
return ERR_RT_INVALID_STATE;
if (readHeader() != ERR_OK)
return _headerResult;
CGImageRef cgImage = CGImageSourceCreateImageAtIndex(_cgImageSource, _actualFrame, NULL);
if (cgImage == NULL)
{
if (_actualFrame == 0)
err = ERR_IMAGEIO_INTERNAL_ERROR;
else
err = ERR_IMAGE_NO_FRAMES;
goto _End;
}
image.fromCGImage(cgImage);
CGImageRelease(cgImage);
_End:
if (err == ERR_OK)
updateProgress(1.0f);
return (_readerResult = err);
}
bool wxBitmapDataObject::SetData( size_t nSize, const void *pBuf )
{
Clear();
if ((pBuf == NULL) || (nSize == 0))
return false;
Handle picHandle = NewHandle( nSize );
memcpy( *picHandle, pBuf, nSize );
m_pictHandle = picHandle;
CGImageRef cgImageRef = 0;
CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) pBuf, nSize, kCFAllocatorNull);
CGImageSourceRef source = CGImageSourceCreateWithData( data, NULL );
if ( source )
{
cgImageRef = CGImageSourceCreateImageAtIndex(source, 0, NULL);
CFRelease( source );
}
CFRelease( data );
if ( cgImageRef )
{
m_bitmap.Create( cgImageRef );
CGImageRelease(cgImageRef);
cgImageRef = NULL;
}
return m_bitmap.IsOk();
}
bool wxBitmapDataObject::SetData( size_t nSize, const void *pBuf )
{
Clear();
if ((pBuf == NULL) || (nSize == 0))
return false;
Handle picHandle = NewHandle( nSize );
memcpy( *picHandle, pBuf, nSize );
m_pictHandle = picHandle;
CGImageRef cgImageRef = 0;
CFDataRef data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) pBuf, nSize, kCFAllocatorNull);
CGImageSourceRef source = CGImageSourceCreateWithData( data, NULL );
if ( source )
{
cgImageRef = CGImageSourceCreateImageAtIndex(source, 0, NULL);
CFRelease( source );
}
CFRelease( data );
if ( cgImageRef )
{
m_bitmap.Create( CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
CGRect r = CGRectMake( 0 , 0 , CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
// since our context is upside down we dont use CGContextDrawImage
wxMacDrawCGImage( (CGContextRef) m_bitmap.GetHBITMAP() , &r, cgImageRef ) ;
CGImageRelease(cgImageRef);
cgImageRef = NULL;
}
return m_bitmap.IsOk();
}
bool SkImageDecoder_CG::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
CGImageSourceRef imageSrc = SkStreamToCGImageSource(stream);
if (NULL == imageSrc) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> arsrc(imageSrc);
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSrc, 0, NULL);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> arimage(image);
const int width = SkToInt(CGImageGetWidth(image));
const int height = SkToInt(CGImageGetHeight(image));
bm->setInfo(SkImageInfo::MakeN32Premul(width, height));
if (SkImageDecoder::kDecodeBounds_Mode == mode) {
return true;
}
if (!this->allocPixelRef(bm, NULL)) {
return false;
}
SkAutoLockPixels alp(*bm);
if (!SkCopyPixelsFromCGImage(bm->info(), bm->rowBytes(), bm->getPixels(), image)) {
return false;
}
CGImageAlphaInfo info = CGImageGetAlphaInfo(image);
switch (info) {
case kCGImageAlphaNone:
case kCGImageAlphaNoneSkipLast:
case kCGImageAlphaNoneSkipFirst:
SkASSERT(SkBitmap::ComputeIsOpaque(*bm));
bm->setAlphaType(kOpaque_SkAlphaType);
break;
default:
// we don't know if we're opaque or not, so compute it.
if (SkBitmap::ComputeIsOpaque(*bm)) {
bm->setAlphaType(kOpaque_SkAlphaType);
}
}
if (!bm->isOpaque() && this->getRequireUnpremultipliedColors()) {
// CGBitmapContext does not support unpremultiplied, so the image has been premultiplied.
// Convert to unpremultiplied.
for (int i = 0; i < width; ++i) {
for (int j = 0; j < height; ++j) {
uint32_t* addr = bm->getAddr32(i, j);
*addr = SkUnPreMultiply::UnPreMultiplyPreservingByteOrder(*addr);
}
}
bm->setAlphaType(kUnpremul_SkAlphaType);
}
return true;
}
bool SkImageDecoder_CG::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
CGImageSourceRef imageSrc = SkStreamToCGImageSource(stream);
if (NULL == imageSrc) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> arsrc(imageSrc);
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSrc, 0, NULL);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> arimage(image);
const int width = CGImageGetWidth(image);
const int height = CGImageGetHeight(image);
bm->setConfig(SkBitmap::kARGB_8888_Config, width, height);
if (SkImageDecoder::kDecodeBounds_Mode == mode) {
return true;
}
if (!this->allocPixelRef(bm, NULL)) {
return false;
}
bm->lockPixels();
bm->eraseColor(SK_ColorTRANSPARENT);
// use the same colorspace, so we don't change the pixels at all
CGColorSpaceRef cs = CGImageGetColorSpace(image);
CGContextRef cg = CGBitmapContextCreate(bm->getPixels(), width, height, 8, bm->rowBytes(), cs, BITMAP_INFO);
if (NULL == cg) {
// perhaps the image's colorspace does not work for a context, so try just rgb
cs = CGColorSpaceCreateDeviceRGB();
cg = CGBitmapContextCreate(bm->getPixels(), width, height, 8, bm->rowBytes(), cs, BITMAP_INFO);
CFRelease(cs);
}
CGContextDrawImage(cg, CGRectMake(0, 0, width, height), image);
CGContextRelease(cg);
CGImageAlphaInfo info = CGImageGetAlphaInfo(image);
switch (info) {
case kCGImageAlphaNone:
case kCGImageAlphaNoneSkipLast:
case kCGImageAlphaNoneSkipFirst:
SkASSERT(SkBitmap::ComputeIsOpaque(*bm));
bm->setIsOpaque(true);
break;
default:
// we don't know if we're opaque or not, so compute it.
bm->computeAndSetOpaquePredicate();
}
bm->unlockPixels();
return true;
}
uint32_t UtilCG::Texture::LoadTexture(const char *const aPath)
{
CFStringRef Path = CFStringCreateWithCString(kCFAllocatorDefault, aPath, kCFStringEncodingASCII);
CFURLRef Url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, Path, kCFURLPOSIXPathStyle, false);
CGImageSourceRef Source = CGImageSourceCreateWithURL(Url, NULL);
CGImageRef pImage = CGImageSourceCreateImageAtIndex(Source, 0, NULL);
if ( !pImage )
{
CFRelease(Url);
CFRelease(Path);
CFRelease(Source);
return INVALID_HANDLE;
}
CGDataProviderRef pDataProvider = CGImageGetDataProvider(pImage);
if ( pDataProvider )
{
size_t width = CGImageGetWidth(pImage);
size_t height = CGImageGetHeight(pImage);
//size_t bytesPerRow = CGImageGetBytesPerRow(pImage);
//size_t bitsPerPixel = CGImageGetBitsPerPixel(pImage);
//size_t bitsPerComponent = CGImageGetBitsPerComponent(pImage);
CFDataRef DataRef = CGDataProviderCopyData(pDataProvider);
const UInt8* pData = CFDataGetBytePtr(DataRef);
uint32_t hTexID = 0;
glGenTextures(1, &hTexID);
glBindTexture(GL_TEXTURE_2D, hTexID);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLint)width, (GLint)height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pData);
glBindTexture(GL_TEXTURE_2D, 0);
CFRelease(Url);
CFRelease(Path);
CFRelease(Source);
CGImageRelease(pImage);
// CGDataProviderRelease(pDataProvider);
return hTexID;
}
CFRelease(Url);
CFRelease(Path);
CFRelease(Source);
CGImageRelease(pImage);
CGDataProviderRelease(pDataProvider);
return INVALID_HANDLE;
}
static CGImageRef CreateCGImageFromCGImageSource(CGImageSourceRef image_source)
{
CGImageRef image_ref = NULL;
if(NULL == image_source)
{
return NULL;
}
// Get the first item in the image source (some image formats may
// contain multiple items).
image_ref = CGImageSourceCreateImageAtIndex(image_source, 0, NULL);
return image_ref;
}
vl::Image
vl::ImageReader::readDimensions(const char * fileName)
{
// intermediate buffer
char unsigned * rgba = NULL ;
// Core graphics
CFURLRef url = NULL ;
CGImageSourceRef imageSourceRef = NULL ;
CGImageRef imageRef = NULL ;
CGColorSpaceRef colorSpaceRef = NULL ;
// initialize the image as null
Image image ;
image.width = 0 ;
image.height = 0 ;
image.depth = 0 ;
image.memory = NULL ;
image.error = 0 ;
// get file
url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8 *)fileName, strlen(fileName), false) ;
check(url) ;
// get image source from file
imageSourceRef = CGImageSourceCreateWithURL(url, NULL) ;
check(imageSourceRef) ;
// get image from image source
imageRef = CGImageSourceCreateImageAtIndex(imageSourceRef, 0, NULL);
check(imageRef) ;
colorSpaceRef = CGColorSpaceCreateDeviceRGB();
check(colorSpaceRef) ;
image.width = CGImageGetWidth(imageRef);
image.height = CGImageGetHeight(imageRef);
image.depth = CGColorSpaceGetNumberOfComponents(colorSpaceRef) ;
check(image.depth == 1 || image.depth == 3) ;
done:
if (colorSpaceRef) { CFRelease(colorSpaceRef) ; }
if (imageRef) { CFRelease(imageRef) ; }
if (imageSourceRef) { CFRelease(imageSourceRef) ; }
if (url) { CFRelease(url) ; }
return image ;
}
CGImageRef ImageSource::createFrameAtIndex(size_t index)
{
if (!initialized())
return 0;
RetainPtr<CGImageRef> image(AdoptCF, CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions()));
CFStringRef imageUTI = CGImageSourceGetType(m_decoder);
static const CFStringRef xbmUTI = CFSTR("public.xbitmap-image");
if (!imageUTI || !CFEqual(imageUTI, xbmUTI))
return image.releaseRef();
// If it is an xbm image, mask out all the white areas to render them transparent.
const CGFloat maskingColors[6] = {255, 255, 255, 255, 255, 255};
RetainPtr<CGImageRef> maskedImage(AdoptCF, CGImageCreateWithMaskingColors(image.get(), maskingColors));
if (!maskedImage)
return image.releaseRef();
return maskedImage.releaseRef();
}
bool SkImageGeneratorCG::onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
SkPMColor ctable[], int* ctableCount) {
if (kN32_SkColorType != info.colorType()) {
// FIXME: Support other colorTypes.
return false;
}
switch (info.alphaType()) {
case kOpaque_SkAlphaType:
if (kOpaque_SkAlphaType != this->getInfo().alphaType()) {
return false;
}
break;
case kPremul_SkAlphaType:
break;
default:
return false;
}
CGImageRef image = CGImageSourceCreateImageAtIndex((CGImageSourceRef) fImageSrc.get(), 0,
nullptr);
if (!image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> autoImage(image);
// FIXME: Using this function (as opposed to swizzling ourselves) greatly
// restricts the color and alpha types that we support. If we
// swizzle ourselves, we can add support for:
// kUnpremul_SkAlphaType
// 16-bit per component RGBA
// kGray_8_SkColorType
// kIndex_8_SkColorType
// Additionally, it would be interesting to compare the performance
// of SkSwizzler with CG's built in swizzler.
if (!SkCopyPixelsFromCGImage(info, rowBytes, pixels, image)) {
return false;
}
return true;
}
NativeImagePtr ImageDecoder::createFrameImageAtIndex(size_t index, SubsamplingLevel subsamplingLevel, DecodingMode decodingMode) const
{
LOG(Images, "ImageDecoder %p createFrameImageAtIndex %lu", this, index);
RetainPtr<CFDictionaryRef> options = imageSourceOptions(subsamplingLevel, decodingMode);
RetainPtr<CGImageRef> image;
if (decodingMode == DecodingMode::OnDemand)
image = adoptCF(CGImageSourceCreateImageAtIndex(m_nativeDecoder.get(), index, options.get()));
else
image = adoptCF(CGImageSourceCreateThumbnailAtIndex(m_nativeDecoder.get(), index, options.get()));
#if PLATFORM(IOS)
// <rdar://problem/7371198> - CoreGraphics changed the default caching behaviour in iOS 4.0 to kCGImageCachingTransient
// which caused a performance regression for us since the images had to be resampled/recreated every time we called
// CGContextDrawImage. We now tell CG to cache the drawn images. See also <rdar://problem/14366755> -
// CoreGraphics needs to un-deprecate kCGImageCachingTemporary since it's still not the default.
#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif
CGImageSetCachingFlags(image.get(), kCGImageCachingTemporary);
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif
#endif // PLATFORM(IOS)
CFStringRef imageUTI = CGImageSourceGetType(m_nativeDecoder.get());
static const CFStringRef xbmUTI = CFSTR("public.xbitmap-image");
if (!imageUTI)
return image;
if (!CFEqual(imageUTI, xbmUTI))
return image;
// If it is an xbm image, mask out all the white areas to render them transparent.
const CGFloat maskingColors[6] = {255, 255, 255, 255, 255, 255};
RetainPtr<CGImageRef> maskedImage = adoptCF(CGImageCreateWithMaskingColors(image.get(), maskingColors));
return maskedImage ? maskedImage : image;
}
QVariant QMacPasteboardMimeTiff::convertToMime(const QString &mime, QList<QByteArray> data, QString flav)
{
if(data.count() > 1)
qWarning("QMacPasteboardMimeTiff: Cannot handle multiple member data");
QVariant ret;
if (!canConvert(mime, flav))
return ret;
const QByteArray &a = data.first();
QCFType<CGImageRef> image;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
QCFType<CFDataRef> data = CFDataCreateWithBytesNoCopy(0,
reinterpret_cast<const UInt8 *>(a.constData()),
a.size(), kCFAllocatorNull);
QCFType<CGImageSourceRef> imageSource = CGImageSourceCreateWithData(data, 0);
image = CGImageSourceCreateImageAtIndex(imageSource, 0, 0);
} else
#endif
{
#ifdef Q_WS_MAC32
if (resolveMimeQuickTimeSymbols()) {
Handle tiff = NewHandle(a.size());
memcpy(*tiff, a.constData(), a.size());
GraphicsImportComponent graphicsImporter;
ComponentResult result = OpenADefaultComponent(GraphicsImporterComponentType,
kQTFileTypeTIFF, &graphicsImporter);
if (!result)
result = ptrGraphicsImportSetDataHandle(graphicsImporter, tiff);
if (!result)
result = ptrGraphicsImportCreateCGImage(graphicsImporter, &image,
kGraphicsImportCreateCGImageUsingCurrentSettings);
CloseComponent(graphicsImporter);
DisposeHandle(tiff);
}
#endif
}
if (image != 0)
ret = QVariant(QPixmap::fromMacCGImageRef(image).toImage());
return ret;
}
bool SkImageDecoder_CG::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
CGImageSourceRef imageSrc = SkStreamToCGImageSource(stream);
if (NULL == imageSrc) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> arsrc(imageSrc);
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSrc, 0, NULL);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> arimage(image);
const int width = CGImageGetWidth(image);
const int height = CGImageGetHeight(image);
bm->setConfig(SkBitmap::kARGB_8888_Config, width, height);
if (SkImageDecoder::kDecodeBounds_Mode == mode) {
return true;
}
if (!this->allocPixelRef(bm, NULL)) {
return false;
}
bm->lockPixels();
bm->eraseColor(0);
// use the same colorspace, so we don't change the pixels at all
CGColorSpaceRef cs = CGImageGetColorSpace(image);
CGContextRef cg = CGBitmapContextCreate(bm->getPixels(), width, height,
8, bm->rowBytes(), cs, BITMAP_INFO);
CGContextDrawImage(cg, CGRectMake(0, 0, width, height), image);
CGContextRelease(cg);
bm->unlockPixels();
return true;
}
GLuint load_texure(const char *filename) {
GLuint texid;
// ImageIO loader
CFStringRef path = CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8);
CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, 0);
CGImageSourceRef imagesource = CGImageSourceCreateWithURL(url, NULL);
CGImageRef image = CGImageSourceCreateImageAtIndex (imagesource, 0, NULL);
size_t width = CGImageGetWidth(image);
size_t height = CGImageGetHeight(image);
CGRect rect = {{0, 0}, {width, height}};
void * data = malloc(width * height * 4);
CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
CGContextRef myBitmapContext = CGBitmapContextCreate (data,
width, height, 8,
width*4, space,
kCGImageAlphaPremultipliedFirst);
CGContextDrawImage(myBitmapContext, rect, image);
CGContextRelease(myBitmapContext);
CGColorSpaceRelease(space);
CGImageRelease(image);
CFRelease(imagesource);
CFRelease(url);
CFRelease(path);
glGenTextures(1, &texid);
glBindTexture(GL_TEXTURE_2D, texid);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
free(data);
return texid;
}
bool CBaseTexture::LoadFromFile(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight,
bool autoRotate, unsigned int *originalWidth, unsigned int *originalHeight)
{
if (URIUtils::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
if (image.ReadFile(texturePath))
{
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
return false;
}
#if defined(__APPLE__) && defined(__arm__)
XFILE::CFile file;
UInt8 *imageBuff = NULL;
int64_t imageBuffSize = 0;
//open path and read data to buffer
//this handles advancedsettings.xml pathsubstitution
//and resulting networking
if (file.Open(texturePath, 0))
{
imageBuffSize =file.GetLength();
imageBuff = new UInt8[imageBuffSize];
imageBuffSize = file.Read(imageBuff, imageBuffSize);
file.Close();
}
else
{
CLog::Log(LOGERROR, "Texture manager unable to open file %s", texturePath.c_str());
return false;
}
if (imageBuffSize <= 0)
{
CLog::Log(LOGERROR, "Texture manager read texture file failed.");
delete [] imageBuff;
return false;
}
// create the image from buffer;
CGImageSourceRef imageSource;
// create a CFDataRef using CFDataCreateWithBytesNoCopy and kCFAllocatorNull for deallocator.
// this allows us to do a nocopy reference and we handle the free of imageBuff
CFDataRef cfdata = CFDataCreateWithBytesNoCopy(NULL, imageBuff, imageBuffSize, kCFAllocatorNull);
imageSource = CGImageSourceCreateWithData(cfdata, NULL);
if (imageSource == nil)
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", CSpecialProtocol::TranslatePath(texturePath).c_str());
CFRelease(cfdata);
delete [] imageBuff;
return false;
}
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL);
int rotate = 0;
if (autoRotate)
{ // get the orientation of the image for displaying it correctly
CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource,0, NULL);
if (imagePropertiesDictionary != nil)
{
CFNumberRef orientation = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyOrientation);
if (orientation != nil)
{
int value = 0;
CFNumberGetValue(orientation, kCFNumberIntType, &value);
if (value)
rotate = value - 1;
}
CFRelease(imagePropertiesDictionary);
}
}
CFRelease(imageSource);
unsigned int width = CGImageGetWidth(image);
unsigned int height = CGImageGetHeight(image);
m_hasAlpha = (CGImageGetAlphaInfo(image) != kCGImageAlphaNone);
if (originalWidth)
*originalWidth = width;
if (originalHeight)
*originalHeight = height;
// check texture size limits and limit to screen size - preserving aspectratio of image
if ( width > g_Windowing.GetMaxTextureSize() || height > g_Windowing.GetMaxTextureSize() )
{
float aspect;
if ( width > height )
{
aspect = (float)width / (float)height;
width = g_Windowing.GetWidth();
height = (float)width / (float)aspect;
}
else
{
aspect = (float)height / (float)width;
height = g_Windowing.GetHeight();
width = (float)height / (float)aspect;
}
CLog::Log(LOGDEBUG, "Texture manager texture clamp:new texture size: %i x %i", width, height);
}
// use RGBA to skip swizzling
Allocate(width, height, XB_FMT_RGBA8);
m_orientation = rotate;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
// hw convert jmpeg to RGBA
CGContextRef context = CGBitmapContextCreate(m_pixels,
width, height, 8, GetPitch(), colorSpace,
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
// Flip so that it isn't upside-down
//CGContextTranslateCTM(context, 0, height);
//CGContextScaleCTM(context, 1.0f, -1.0f);
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
CGContextClearRect(context, CGRectMake(0, 0, width, height));
#else
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
// (just a way of checking whether we're running in 10.5 or later)
if (CGContextDrawLinearGradient == 0)
CGContextClearRect(context, CGRectMake(0, 0, width, height));
else
#endif
CGContextSetBlendMode(context, kCGBlendModeCopy);
#endif
//CGContextSetBlendMode(context, kCGBlendModeCopy);
CGContextDrawImage(context, CGRectMake(0, 0, width, height), image);
CGContextRelease(context);
CGImageRelease(image);
CFRelease(cfdata);
delete [] imageBuff;
#else
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
m_hasAlpha = NULL != image.alpha;
Allocate(image.width, image.height, XB_FMT_A8R8G8B8);
if (autoRotate && image.exifInfo.Orientation)
m_orientation = image.exifInfo.Orientation - 1;
if (originalWidth)
*originalWidth = image.originalwidth;
if (originalHeight)
*originalHeight = image.originalheight;
unsigned int dstPitch = GetPitch();
unsigned int srcPitch = ((image.width + 1)* 3 / 4) * 4; // bitmap row length is aligned to 4 bytes
unsigned char *dst = m_pixels;
unsigned char *src = image.texture + (m_imageHeight - 1) * srcPitch;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2 += 4, src2 += 3)
{
dst2[0] = src2[0];
dst2[1] = src2[1];
dst2[2] = src2[2];
dst2[3] = 0xff;
}
src -= srcPitch;
dst += dstPitch;
}
if(image.alpha)
{
dst = m_pixels + 3;
src = image.alpha + (m_imageHeight - 1) * m_imageWidth;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2+=4, src2++)
*dst2 = *src2;
src -= m_imageWidth;
dst += dstPitch;
}
}
dll.ReleaseImage(&image);
#endif
ClampToEdge();
return true;
}
static CGImageRef quartz_loadimage(GVJ_t * job, usershape_t *us)
{
assert(job);
assert(us);
assert(us->name);
if (us->data && us->datafree != quartz_freeimage) {
us->datafree(us); /* free incompatible cache data */
us->data = NULL;
us->datafree = NULL;
}
if (!us->data) { /* read file into cache */
if (!gvusershape_file_access(us))
return NULL;
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1050 || __IPHONE_OS_VERSION_MIN_REQUIRED >= 20000
CGDataProviderRef data_provider = CGDataProviderCreateSequential(us->f, &file_data_provider_callbacks);
#else
CGDataProviderRef data_provider = CGDataProviderCreate(us->f, &file_data_provider_callbacks);
#endif
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1040
/* match usershape format to a UTI for type hinting, if possible */
format_type hint_format_type;
switch (us->type) {
case FT_BMP:
hint_format_type = FORMAT_BMP;
break;
case FT_GIF:
hint_format_type = FORMAT_GIF;
break;
case FT_PNG:
hint_format_type = FORMAT_PNG;
break;
case FT_JPEG:
hint_format_type = FORMAT_JPEG;
break;
case FT_PDF:
hint_format_type = FORMAT_PDF;
break;
default:
hint_format_type = FORMAT_NONE;
break;
}
CFDictionaryRef options = hint_format_type == FORMAT_NONE ? NULL : CFDictionaryCreate(
kCFAllocatorDefault,
(const void **)&kCGImageSourceTypeIdentifierHint,
(const void **)(format_uti + hint_format_type),
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
/* get first image from usershape file */
CGImageSourceRef image_source = CGImageSourceCreateWithDataProvider(data_provider, options);
us->data = CGImageSourceCreateImageAtIndex(image_source, 0, NULL);
if (image_source)
CFRelease(image_source);
if (options)
CFRelease(options);
#else
switch (us->type) {
case FT_PNG:
us->data = CGImageCreateWithPNGDataProvider(data_provider, NULL, false, kCGRenderingIntentDefault);
break;
case FT_JPEG:
us->data = CGImageCreateWithJPEGDataProvider(data_provider, NULL, false, kCGRenderingIntentDefault);
break;
default:
us->data = NULL;
break;
}
#endif
/* clean up */
if (us->data)
us->datafree = quartz_freeimage;
CGDataProviderRelease(data_provider);
gvusershape_file_release(us);
}
return (CGImageRef)(us->data);
}
bool SkImageDecoder_CG::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
CGImageSourceRef imageSrc = SkStreamToCGImageSource(stream);
if (NULL == imageSrc) {
return false;
}
SkAutoTCallVProc<const void, CFRelease> arsrc(imageSrc);
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSrc, 0, NULL);
if (NULL == image) {
return false;
}
SkAutoTCallVProc<CGImage, CGImageRelease> arimage(image);
const int width = SkToInt(CGImageGetWidth(image));
const int height = SkToInt(CGImageGetHeight(image));
bm->setConfig(SkBitmap::kARGB_8888_Config, width, height);
if (SkImageDecoder::kDecodeBounds_Mode == mode) {
return true;
}
if (!this->allocPixelRef(bm, NULL)) {
return false;
}
bm->lockPixels();
bm->eraseColor(SK_ColorTRANSPARENT);
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
CGContextRef cg = CGBitmapContextCreate(bm->getPixels(), width, height, 8, bm->rowBytes(), cs, BITMAP_INFO);
CFRelease(cs);
CGContextDrawImage(cg, CGRectMake(0, 0, width, height), image);
CGContextRelease(cg);
CGImageAlphaInfo info = CGImageGetAlphaInfo(image);
switch (info) {
case kCGImageAlphaNone:
case kCGImageAlphaNoneSkipLast:
case kCGImageAlphaNoneSkipFirst:
SkASSERT(SkBitmap::ComputeIsOpaque(*bm));
bm->setAlphaType(kOpaque_SkAlphaType);
break;
default:
// we don't know if we're opaque or not, so compute it.
if (SkBitmap::ComputeIsOpaque(*bm)) {
bm->setAlphaType(kOpaque_SkAlphaType);
}
}
if (!bm->isOpaque() && this->getRequireUnpremultipliedColors()) {
// CGBitmapContext does not support unpremultiplied, so the image has been premultiplied.
// Convert to unpremultiplied.
for (int i = 0; i < width; ++i) {
for (int j = 0; j < height; ++j) {
uint32_t* addr = bm->getAddr32(i, j);
*addr = SkUnPreMultiply::UnPreMultiplyPreservingByteOrder(*addr);
}
}
bm->setAlphaType(kUnpremul_SkAlphaType);
}
bm->unlockPixels();
return true;
}
/* read image file */
int BIReadFile(
const char *fileName,
BIFileType fileType,
BIPadMode padMode,
unsigned padSize,
BIImageInfo *imageInfo, /* RETURNED */
unsigned char **bitmap) /* mallocd and RETURNED; caller must free */
{
CFURLRef fileURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
(unsigned char*)fileName, strlen(fileName), FALSE);
if(fileURL == NULL) {
fprintf(stderr, "***BIReadFile: Error on CFURLCreateFromFileSystemRepresentation\n");
return -1;
}
CFStringRef keys[1] = {kCGImageSourceTypeIdentifierHint};
CFStringRef values[1] = {BIGetUTI(fileURL, fileType)};
if(values[0] == NULL) {
return -1;
}
CFDictionaryRef optionsDict = NULL;
CGImageSourceRef imageSourceRef = NULL;
CGImageRef imageRef = NULL;
CGColorSpaceRef rgbColorSpaceRef = NULL;
CGContextRef bitmapContextRef = NULL;
CGBitmapInfo bitmapInfo = 0;
CGImageAlphaInfo alpha;
unsigned bytesPerPixel = 4;
optionsDict = CFDictionaryCreate( kCFAllocatorDefault,
(const void **)keys, (const void **)values, 1,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks );
/* subsequent errors to errOut: */
int ourRtn = 0;
/* source file --> CGImageRef */
imageSourceRef = CGImageSourceCreateWithURL(fileURL, optionsDict);
if(imageSourceRef == NULL) {
fprintf(stderr, "***BIReadFile: Error on CGImageSourceCreateWithURL\n");
ourRtn = 1;
goto errOut;
}
CFRELEASE(fileURL);
imageRef = CGImageSourceCreateImageAtIndex(imageSourceRef, 0, optionsDict );
if(imageRef == NULL) {
fprintf(stderr, "***BIReadFile: Error on CGImageSourceCreateImageAtIndex\n");
ourRtn = 1;
goto errOut;
}
imageInfo->imageWidth = CGImageGetWidth(imageRef);
imageInfo->imageHeight = CGImageGetHeight(imageRef);
imageInfo->bitsPerComponent = CGImageGetBitsPerComponent(imageRef);
imageInfo->bitsPerPixel = CGImageGetBitsPerPixel(imageRef);
if(imageInfo->bitsPerPixel == 8) {
/* the image is gray */
rgbColorSpaceRef = CGColorSpaceCreateWithName(kCGColorSpaceGenericGray);
imageInfo->bytesPerRow = imageInfo->imageWidth;
alpha = kCGImageAlphaNone;
bitmapInfo = CGImageGetBitmapInfo(imageRef);
bytesPerPixel = 1;
}
else {
rgbColorSpaceRef = CGColorSpaceCreateDeviceRGB();
imageInfo->bytesPerRow = imageInfo->imageWidth * 4;
alpha = kCGImageAlphaPremultipliedLast;
bitmapInfo = kCGBitmapByteOrder32Big | alpha;
}
if(rgbColorSpaceRef == NULL) {
fprintf(stderr, "***BIReadFile: Error on CGColorSpaceCreateWithName\n");
ourRtn = 1;
goto errOut;
}
/* optionally pad */
imageInfo->effectHeight = imageInfo->imageHeight;
if(padMode != PM_None) {
if(padSize == 0) {
fprintf(stderr, "***Pad size of 0 invalid\n");
ourRtn = 1;
goto errOut;
}
unsigned padSizeBytes = padSize;
if(padMode == PM_Pixels) {
padSizeBytes *= bytesPerPixel;
}
imageInfo->bytesPerRow = ROUND_TO(imageInfo->bytesPerRow, padSizeBytes);
/* also round up row count */
imageInfo->effectHeight = ROUND_TO(imageInfo->imageHeight, padSize);
}
*bitmap = (unsigned char *)malloc(imageInfo->bytesPerRow * imageInfo->effectHeight);
bitmapContextRef = CGBitmapContextCreate(*bitmap,
imageInfo->imageWidth, imageInfo->imageHeight,
imageInfo->bitsPerComponent, imageInfo->bytesPerRow,
rgbColorSpaceRef,
bitmapInfo);
if(bitmapContextRef == NULL) {
fprintf(stderr, "***BIReadFile: Error creating CGBitmapContext\n");
ourRtn = 1;
goto errOut;
}
/* enable high quality interpolation */
CGContextSetInterpolationQuality(bitmapContextRef, kCGInterpolationHigh);
/* Draw into the context */
CGContextDrawImage(bitmapContextRef, CGRectMake(0, 0, imageInfo->imageWidth, imageInfo->imageHeight),
imageRef);
errOut:
CFRELEASE(optionsDict);
CFRELEASE(imageSourceRef);
CFRELEASE(imageRef);
CFRELEASE(rgbColorSpaceRef);
CFRELEASE(bitmapContextRef);
if(ourRtn) {
if(*bitmap) {
free(*bitmap);
*bitmap = NULL;
}
}
return ourRtn;
}
bool wxBitmapDataObject::SetData( const wxDataFormat& format, size_t nSize, const void *pBuf )
{
Clear();
if ((pBuf == NULL) || (nSize == 0))
return false;
#if wxMAC_USE_CORE_GRAPHICS
Handle picHandle = NULL ;
m_pictHandle = NewHandle( nSize );
memcpy( *(Handle) m_pictHandle, pBuf, nSize );
if ( format == s_pict )
{
// pict for IO expects a 512 byte header
picHandle = NewHandle( nSize + 512 );
memset( *picHandle , 0 , 512 );
memcpy( *picHandle+512, pBuf, nSize );
}
else
{
picHandle = (Handle) m_pictHandle;
}
CGImageRef cgImageRef = 0;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if ( UMAGetSystemVersion() >= 0x1040 )
{
CFDataRef data = NULL;
HLock( picHandle );
data = CFDataCreateWithBytesNoCopy( kCFAllocatorDefault, (const UInt8*) *picHandle, GetHandleSize(picHandle), kCFAllocatorNull);
CGImageSourceRef source = CGImageSourceCreateWithData( data, NULL );
if ( source )
{
cgImageRef = CGImageSourceCreateImageAtIndex(source, 0, NULL);
}
CFRelease( source );
CFRelease( data );
HUnlock( picHandle );
}
else
#endif
#ifndef __LP64__
{
// import from TIFF
GraphicsImportComponent importer = 0;
OSStatus err = OpenADefaultComponent(GraphicsImporterComponentType, s_pict == format ? kQTFileTypePicture : kQTFileTypeTIFF, &importer);
if (noErr == err)
{
if ( picHandle )
{
ComponentResult result = GraphicsImportSetDataHandle(importer, picHandle);
if ( result == noErr )
{
Rect frame;
GraphicsImportGetNaturalBounds( importer, &frame );
GraphicsImportCreateCGImage( importer, &cgImageRef, kGraphicsImportCreateCGImageUsingCurrentSettings );
}
}
CloseComponent( importer );
}
}
#endif
if ( format == s_pict )
{
DisposeHandle( picHandle );
}
if ( cgImageRef )
{
m_bitmap.Create( CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
CGRect r = CGRectMake( 0 , 0 , CGImageGetWidth(cgImageRef) , CGImageGetHeight(cgImageRef) );
// since our context is upside down we dont use CGContextDrawImage
HIViewDrawCGImage( (CGContextRef) m_bitmap.GetHBITMAP() , &r, cgImageRef ) ;
CGImageRelease(cgImageRef);
cgImageRef = NULL;
}
#else
PicHandle picHandle = (PicHandle)NewHandle( nSize );
memcpy( *picHandle, pBuf, nSize );
m_pictHandle = picHandle;
// ownership is transferred to the bitmap
m_pictCreated = false;
#ifndef __LP64__
Rect frame;
wxMacGetPictureBounds( picHandle, &frame );
#if wxUSE_METAFILE
wxMetafile mf;
mf.SetHMETAFILE( (WXHMETAFILE)m_pictHandle );
#endif
wxMemoryDC mdc;
m_bitmap.Create( frame.right - frame.left, frame.bottom - frame.top );
mdc.SelectObject( m_bitmap );
#if wxUSE_METAFILE
mf.Play( &mdc );
#endif
mdc.SelectObject( wxNullBitmap );
#endif
#endif
return m_bitmap.Ok();
}
/* the error does not contain the filename as the caller already has it */
gboolean
_cogl_bitmap_from_file (CoglBitmap *bmp,
const gchar *filename,
GError **error)
{
g_assert (bmp != NULL);
g_assert (filename != NULL);
g_assert (error == NULL || *error == NULL);
CFURLRef url = CFURLCreateFromFileSystemRepresentation (NULL, (guchar*)filename, strlen(filename), false);
CGImageSourceRef image_source = CGImageSourceCreateWithURL (url, NULL);
int save_errno = errno;
CFRelease (url);
if (image_source == NULL)
{
/* doesn't exist, not readable, etc. */
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_FAILED,
"%s", g_strerror (save_errno));
return FALSE;
}
/* Unknown images would be cleanly caught as zero width/height below, but try
* to provide better error message
*/
CFStringRef type = CGImageSourceGetType (image_source);
if (type == NULL)
{
CFRelease (image_source);
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_UNKNOWN_TYPE,
"Unknown image type");
return FALSE;
}
CFRelease (type);
CGImageRef image = CGImageSourceCreateImageAtIndex (image_source, 0, NULL);
CFRelease (image_source);
size_t width = CGImageGetWidth (image);
size_t height = CGImageGetHeight (image);
if (width == 0 || height == 0)
{
/* incomplete or corrupt */
CFRelease (image);
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_CORRUPT_IMAGE,
"Image has zero width or height");
return FALSE;
}
/* allocate buffer big enough to hold pixel data */
size_t rowstride;
CGBitmapInfo bitmap_info = CGImageGetBitmapInfo (image);
if ((bitmap_info & kCGBitmapAlphaInfoMask) == kCGImageAlphaNone)
{
bitmap_info = kCGImageAlphaNone;
rowstride = 3 * width;
}
else
{
bitmap_info = kCGImageAlphaPremultipliedFirst;
rowstride = 4 * width;
}
guint8 *out_data = g_malloc0 (height * rowstride);
/* render to buffer */
CGColorSpaceRef color_space = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB);
CGContextRef bitmap_context = CGBitmapContextCreate (out_data,
width, height, 8,
rowstride, color_space,
bitmap_info);
CGColorSpaceRelease (color_space);
const CGRect rect = {{0, 0}, {width, height}};
CGContextDrawImage (bitmap_context, rect, image);
CGImageRelease (image);
CGContextRelease (bitmap_context);
/* store bitmap info */
bmp->data = out_data;
bmp->format = bitmap_info == kCGImageAlphaPremultipliedFirst
? COGL_PIXEL_FORMAT_ARGB_8888
: COGL_PIXEL_FORMAT_RGB_888;
bmp->width = width;
bmp->height = height;
bmp->rowstride = rowstride;
return TRUE;
}
static void _GraphicsScreen_imageFromFile (GraphicsScreen me, const wchar_t *relativeFileName, double x1, double x2, double y1, double y2) {
long x1DC = wdx (x1), x2DC = wdx (x2), y1DC = wdy (y1), y2DC = wdy (y2);
long width = x2DC - x1DC, height = my yIsZeroAtTheTop ? y1DC - y2DC : y2DC - y1DC;
#if 0
structMelderFile file = { 0 };
Melder_relativePathToFile (relativeFileName, & file);
try {
autoPhoto photo = Photo_readFromImageFile (& file);
if (x1 == x2 && y1 == y2) {
width = photo -> nx, x1DC -= width / 2, x2DC = x1DC + width;
height = photo -> ny, y2DC -= height / 2, y1DC = y2DC + height;
} else if (x1 == x2) {
width = height * (double) photo -> nx / (double) photo -> ny;
x1DC -= width / 2, x2DC = x1DC + width;
} else if (y1 == y2) {
height = width * (double) photo -> ny / (double) photo -> nx;
y2DC -= height / 2, y1DC = y2DC + height;
}
autoNUMmatrix <double_rgbt> z (1, photo -> ny, 1, photo -> nx);
for (long iy = 1; iy <= photo -> ny; iy ++) {
for (long ix = 1; ix <= photo -> nx; ix ++) {
z [iy] [ix]. red = photo -> d_red -> z [iy] [ix];
z [iy] [ix]. green = photo -> d_green -> z [iy] [ix];
z [iy] [ix]. blue = photo -> d_blue -> z [iy] [ix];
z [iy] [ix]. transparency = photo -> d_transparency -> z [iy] [ix];
}
}
_cellArrayOrImage (me, NULL, z.peek(), NULL,
1, photo -> nx, x1DC, x2DC, 1, photo -> ny, y1DC, y2DC,
0.0, 1.0,
//wdx (my d_x1WC), wdx (my d_x2WC), wdy (my d_y1WC), wdy (my d_y2WC), // in case of clipping
LONG_MIN, LONG_MAX, LONG_MAX, LONG_MIN, // in case of no clipping
true);
} catch (MelderError) {
Melder_clearError ();
}
#elif win
if (my d_useGdiplus) {
structMelderFile file = { 0 };
Melder_relativePathToFile (relativeFileName, & file);
Gdiplus::Bitmap image (file. path);
if (x1 == x2 && y1 == y2) {
width = image. GetWidth (), x1DC -= width / 2, x2DC = x1DC + width;
height = image. GetHeight (), y2DC -= height / 2, y1DC = y2DC + height;
} else if (x1 == x2) {
width = height * (double) image. GetWidth () / (double) image. GetHeight ();
x1DC -= width / 2, x2DC = x1DC + width;
} else if (y1 == y2) {
height = width * (double) image. GetHeight () / (double) image. GetWidth ();
y2DC -= height / 2, y1DC = y2DC + height;
}
Gdiplus::Graphics dcplus (my d_gdiGraphicsContext);
Gdiplus::Rect rect (x1DC, y2DC, width, height);
dcplus. DrawImage (& image, rect);
} else {
}
#elif mac
structMelderFile file = { 0 };
Melder_relativePathToFile (relativeFileName, & file);
char utf8 [500];
Melder_wcsTo8bitFileRepresentation_inline (file. path, utf8);
CFStringRef path = CFStringCreateWithCString (NULL, utf8, kCFStringEncodingUTF8);
CFURLRef url = CFURLCreateWithFileSystemPath (NULL, path, kCFURLPOSIXPathStyle, false);
CFRelease (path);
CGImageSourceRef imageSource = CGImageSourceCreateWithURL (url, NULL);
CFRelease (url);
if (imageSource != NULL) {
CGImageRef image = CGImageSourceCreateImageAtIndex (imageSource, 0, NULL);
CFRelease (imageSource);
if (image != NULL) {
if (x1 == x2 && y1 == y2) {
width = CGImageGetWidth (image), x1DC -= width / 2, x2DC = x1DC + width;
height = CGImageGetHeight (image), y2DC -= height / 2, y1DC = y2DC + height;
} else if (x1 == x2) {
width = height * (double) CGImageGetWidth (image) / (double) CGImageGetHeight (image);
x1DC -= width / 2, x2DC = x1DC + width;
} else if (y1 == y2) {
height = width * (double) CGImageGetHeight (image) / (double) CGImageGetWidth (image);
y2DC -= height / 2, y1DC = y2DC + height;
}
GraphicsQuartz_initDraw (me);
CGContextSaveGState (my d_macGraphicsContext);
NSCAssert(my d_macGraphicsContext, @"nil context");
CGContextTranslateCTM (my d_macGraphicsContext, 0, y1DC);
CGContextScaleCTM (my d_macGraphicsContext, 1.0, -1.0);
CGContextDrawImage (my d_macGraphicsContext, CGRectMake (x1DC, 0, width, height), image);
CGContextRestoreGState (my d_macGraphicsContext);
GraphicsQuartz_exitDraw (me);
CGImageRelease (image);
}
}
#endif
}
/* the error does not contain the filename as the caller already has it */
CoglBitmap *
_cogl_bitmap_from_file (const char *filename,
GError **error)
{
CFURLRef url;
CGImageSourceRef image_source;
CGImageRef image;
int save_errno;
CFStringRef type;
size_t width, height, rowstride;
uint8_t *out_data;
CGColorSpaceRef color_space;
CGContextRef bitmap_context;
CoglBitmap *bmp;
_COGL_GET_CONTEXT (ctx, NULL);
g_assert (filename != NULL);
g_assert (error == NULL || *error == NULL);
url = CFURLCreateFromFileSystemRepresentation (NULL,
(guchar *) filename,
strlen (filename),
false);
image_source = CGImageSourceCreateWithURL (url, NULL);
save_errno = errno;
CFRelease (url);
if (image_source == NULL)
{
/* doesn't exist, not readable, etc. */
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_FAILED,
g_strerror (save_errno));
return NULL;
}
/* Unknown images would be cleanly caught as zero width/height below, but try
* to provide better error message
*/
type = CGImageSourceGetType (image_source);
if (type == NULL)
{
CFRelease (image_source);
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_UNKNOWN_TYPE,
"Unknown image type");
return NULL;
}
CFRelease (type);
image = CGImageSourceCreateImageAtIndex (image_source, 0, NULL);
CFRelease (image_source);
width = CGImageGetWidth (image);
height = CGImageGetHeight (image);
if (width == 0 || height == 0)
{
/* incomplete or corrupt */
CFRelease (image);
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_CORRUPT_IMAGE,
"Image has zero width or height");
return NULL;
}
/* allocate buffer big enough to hold pixel data */
bmp = _cogl_bitmap_new_with_malloc_buffer (ctx,
width, height,
COGL_PIXEL_FORMAT_ARGB_8888);
rowstride = cogl_bitmap_get_rowstride (bmp);
out_data = _cogl_bitmap_map (bmp,
COGL_BUFFER_ACCESS_WRITE,
COGL_BUFFER_MAP_HINT_DISCARD);
/* render to buffer */
color_space = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB);
bitmap_context = CGBitmapContextCreate (out_data,
width, height, 8,
rowstride, color_space,
kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease (color_space);
{
const CGRect rect = {{0, 0}, {width, height}};
CGContextDrawImage (bitmap_context, rect, image);
}
CGImageRelease (image);
CGContextRelease (bitmap_context);
_cogl_bitmap_unmap (bmp);
/* store bitmap info */
return bmp;
}
CGImageRef ImageSource::createFrameAtIndex(size_t index)
{
return CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions());
}
