static void copyImageData_color( CGImageRef imageRef, cv::Mat &image )
{
size_t width = CGImageGetWidth(imageRef);
size_t height = CGImageGetHeight(imageRef);
image = cv::Mat( cv::Size( width, height ), CV_8UC3 );
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
unsigned char *rawData = image.data;
size_t bytesPerPixel = 4;
size_t bytesPerRow = bytesPerPixel * width;
size_t bitsPerComponent = 8;
CGContextRef context = CGBitmapContextCreate(rawData, width, height,
bitsPerComponent, bytesPerRow, colorSpace,
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrderDefault);
CGColorSpaceRelease(colorSpace);
CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef);
CGContextRelease(context);
}
void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext* ctxt, const FloatRect& dstRect, const IntSize& srcSize, ColorSpace styleColorSpace, CompositeOperator compositeOp)
{
size_t frames = frameCount();
for (size_t i = 0; i < frames; ++i) {
CGImageRef image = frameAtIndex(i);
if (CGImageGetHeight(image) == static_cast<size_t>(srcSize.height()) && CGImageGetWidth(image) == static_cast<size_t>(srcSize.width())) {
size_t currentFrame = m_currentFrame;
m_currentFrame = i;
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.height()), styleColorSpace, compositeOp);
m_currentFrame = currentFrame;
return;
}
}
// No image of the correct size was found, fallback to drawing the current frame
IntSize imageSize = BitmapImage::size();
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), styleColorSpace, compositeOp);
}
BitmapImage::BitmapImage(CGImageRef cgImage, ImageObserver* observer)
: Image(observer)
, m_currentFrame(0)
, m_frames(0)
, m_repetitionCount(cAnimationNone)
, m_repetitionCountStatus(Unknown)
, m_repetitionsComplete(0)
, m_decodedSize(0)
, m_decodedPropertiesSize(0)
, m_frameCount(1)
, m_isSolidColor(false)
, m_checkedForSolidColor(false)
, m_animationFinished(true)
, m_allDataReceived(true)
, m_haveSize(true)
, m_sizeAvailable(true)
, m_haveFrameCount(true)
{
CGFloat width = CGImageGetWidth(cgImage);
CGFloat height = CGImageGetHeight(cgImage);
m_decodedSize = width * height * 4;
m_size = IntSize(width, height);
// Since we don't have a decoder, we can't figure out the image orientation.
// Set m_sizeRespectingOrientation to be the same as m_size so it's not 0x0.
m_sizeRespectingOrientation = IntSize(width, height);
#if PLATFORM(IOS)
m_originalSize = IntSize(width, height);
m_originalSizeRespectingOrientation = IntSize(width, height);
#endif
m_frames.grow(1);
m_frames[0].m_frame = CGImageRetain(cgImage);
m_frames[0].m_hasAlpha = true;
m_frames[0].m_haveMetadata = true;
#if PLATFORM(IOS)
m_frames[0].m_scale = 1;
#endif
checkForSolidColor();
}
CGImageRef nglImageCGCodec::ReadInfo(nglIStream* pIStream)
{
mpIStream = pIStream;
CGImageRef pCGImage = NULL;
const bool shouldInterpolate = true;
if (ProbePNG(pIStream))
{
pCGImage = CGImageCreateWithPNGDataProvider(mpCGProvider, NULL, shouldInterpolate, kCGRenderingIntentDefault);
}
else if (ProbeJPEG(pIStream))
{
pCGImage = CGImageCreateWithJPEGDataProvider(mpCGProvider, NULL, false, kCGRenderingIntentDefault);
}
if (pCGImage)
{
nglImageInfo info;
info.mWidth = CGImageGetWidth(pCGImage);
info.mHeight = CGImageGetHeight(pCGImage);
if (info.mWidth > 0 && info.mHeight > 0)
{
info.mBufferFormat = eImageFormatRaw;
info.mPixelFormat = eImagePixelRGBA;
info.mBytesPerPixel = 4;
info.mBitDepth = 8 * info.mBytesPerPixel;
info.mBytesPerLine = info.mWidth * info.mBytesPerPixel;
info.mPreMultAlpha = true;
info.mpBuffer = NULL;
if (!SendInfo(info))
{
CGImageRelease(pCGImage);
return NULL;
}
return pCGImage;
}
CGImageRelease(pCGImage);
}
return NULL;
}
void BitmapImage::checkForSolidColor()
{
m_checkedForSolidColor = true;
m_isSolidColor = false;
if (frameCount() > 1)
return;
if (!haveFrameAtIndex(0)) {
IntSize size = m_source.frameSizeAtIndex(0, 0);
if (size.width() != 1 || size.height() != 1)
return;
if (!ensureFrameIsCached(0))
return;
}
CGImageRef image = nullptr;
if (m_frames.size())
image = m_frames[0].m_frame;
if (!image)
return;
// Currently we only check for solid color in the important special case of a 1x1 image.
if (CGImageGetWidth(image) == 1 && CGImageGetHeight(image) == 1) {
unsigned char pixel[4]; // RGBA
RetainPtr<CGContextRef> bitmapContext = adoptCF(CGBitmapContextCreate(pixel, 1, 1, 8, sizeof(pixel), deviceRGBColorSpaceRef(),
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big));
if (!bitmapContext)
return;
GraphicsContext(bitmapContext.get()).setCompositeOperation(CompositeCopy);
CGRect destinationRect = CGRectMake(0, 0, 1, 1);
CGContextDrawImage(bitmapContext.get(), destinationRect, image);
if (!pixel[3])
m_solidColor = Color(0, 0, 0, 0);
else
m_solidColor = Color(pixel[0] * 255 / pixel[3], pixel[1] * 255 / pixel[3], pixel[2] * 255 / pixel[3], pixel[3]);
m_isSolidColor = true;
}
}
void BitmapImage::checkForSolidColor()
{
m_checkedForSolidColor = true;
if (frameCount() > 1) {
m_isSolidColor = false;
return;
}
#if !PLATFORM(IOS)
CGImageRef image = frameAtIndex(0);
#else
// Note, checkForSolidColor() may be called from frameAtIndex(). On iOS frameAtIndex() gets passed a scaleHint
// argument which it uses to tell CG to create a scaled down image. Since we don't know the scaleHint here, if
// we call frameAtIndex() again, we would pass it the default scale of 1 and would end up recreating the image.
// So we do a quick check and call frameAtIndex(0) only if we haven't yet created an image.
CGImageRef image = nullptr;
if (m_frames.size())
image = m_frames[0].m_frame;
if (!image)
image = frameAtIndex(0);
#endif
// Currently we only check for solid color in the important special case of a 1x1 image.
if (image && CGImageGetWidth(image) == 1 && CGImageGetHeight(image) == 1) {
unsigned char pixel[4]; // RGBA
RetainPtr<CGContextRef> bitmapContext = adoptCF(CGBitmapContextCreate(pixel, 1, 1, 8, sizeof(pixel), deviceRGBColorSpaceRef(),
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big));
if (!bitmapContext)
return;
GraphicsContext(bitmapContext.get()).setCompositeOperation(CompositeCopy);
CGRect destinationRect = CGRectMake(0, 0, 1, 1);
CGContextDrawImage(bitmapContext.get(), destinationRect, image);
if (!pixel[3])
m_solidColor = Color(0, 0, 0, 0);
else
m_solidColor = Color(pixel[0] * 255 / pixel[3], pixel[1] * 255 / pixel[3], pixel[2] * 255 / pixel[3], pixel[3]);
m_isSolidColor = true;
}
}
CFX_QuartzDeviceDriver::CFX_QuartzDeviceDriver(CGContextRef context, FX_INT32 deviceClass)
{
m_saveCount = 0;
_context = context;
_deviceClass = deviceClass;
CGContextRetain(_context);
CGRect r = CGContextGetClipBoundingBox(context);
_width = FXSYS_round(r.size.width);
_height = FXSYS_round(r.size.height);
_renderCaps = FXRC_SOFT_CLIP | FXRC_BLEND_MODE |
FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE |
FXRC_BIT_MASK | FXRC_ALPHA_MASK;
if (_deviceClass != FXDC_DISPLAY) {
} else {
CGImageRef image = CGBitmapContextCreateImage(_context);
if (image) {
_renderCaps |= FXRC_GET_BITS;
_width = CGImageGetWidth(image);
_height = CGImageGetHeight(image);
CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(image);
if (kCGImageAlphaPremultipliedFirst == alphaInfo ||
kCGImageAlphaPremultipliedLast == alphaInfo ||
kCGImageAlphaOnly == alphaInfo) {
_renderCaps |= FXRC_ALPHA_OUTPUT;
}
}
CGImageRelease(image);
}
CGAffineTransform ctm = CGContextGetCTM(_context);
CGContextSaveGState(_context);
m_saveCount++;
if (ctm.d >= 0) {
CGFloat offset_x, offset_y;
offset_x = ctm.tx;
offset_y = ctm.ty;
CGContextTranslateCTM(_context, -offset_x, -offset_y);
CGContextConcatCTM(_context, CGAffineTransformMake(1, 0, 0, -1, offset_x, _height + offset_y));
}
_foxitDevice2User = CGAffineTransformIdentity;
_user2FoxitDevice = CGAffineTransformInvert(_foxitDevice2User);
}
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 CGDrawContext::fillRectWithBitmap (CBitmap* bitmap, const CRect& srcRect, const CRect& dstRect, float alpha)
{
if (bitmap == 0 || alpha == 0.f || srcRect.isEmpty () || dstRect.isEmpty ())
return;
if (!(srcRect.left == 0 && srcRect.right == 0 && srcRect.right == bitmap->getWidth () && srcRect.bottom == bitmap->getHeight ()))
{
// CGContextDrawTiledImage does not work with parts of a bitmap
CDrawContext::fillRectWithBitmap(bitmap, srcRect, dstRect, alpha);
return;
}
IPlatformBitmap* platformBitmap = bitmap->getBestPlatformBitmapForScaleFactor (scaleFactor);
CPoint bitmapSize = platformBitmap->getSize ();
if (srcRect.right > bitmapSize.x || srcRect.bottom > bitmapSize.y)
return;
CGBitmap* cgBitmap = platformBitmap ? dynamic_cast<CGBitmap*> (platformBitmap) : 0;
CGImageRef image = cgBitmap ? cgBitmap->getCGImage () : 0;
if (image)
{
CGContextRef context = beginCGContext (false, true);
if (context)
{
// TODO: Check if this works with retina images
CGRect clipRect = CGRectFromCRect (dstRect);
clipRect.origin.y = -(clipRect.origin.y) - clipRect.size.height;
clipRect = pixelAlligned (clipRect);
CGContextClipToRect (context, clipRect);
CGRect r = {};
r.size.width = CGImageGetWidth (image);
r.size.height = CGImageGetHeight (image);
CGContextDrawTiledImage (context, r, image);
releaseCGContext (context);
}
}
}
void DrawSubCGImage (CGContextRef ctx, CGImageRef image, CGRect src, CGRect dst)
{
float w = (float) CGImageGetWidth(image);
float h = (float) CGImageGetHeight(image);
CGRect drawRect = CGRectMake(0.0f, 0.0f, w, h);
if (!CGRectEqualToRect(src, dst))
{
float sx = CGRectGetWidth(dst) / CGRectGetWidth(src);
float sy = CGRectGetHeight(dst) / CGRectGetHeight(src);
float dx = CGRectGetMinX(dst) - (CGRectGetMinX(src) * sx);
float dy = CGRectGetMinY(dst) - (CGRectGetMinY(src) * sy);
drawRect = CGRectMake(dx, dy, w * sx, h * sy);
}
CGContextSaveGState(ctx);
CGContextClipToRect(ctx, dst);
CGContextDrawImage(ctx, drawRect, image);
CGContextRestoreGState(ctx);
}
cv::Mat &osx_cv::toMat(
const CGImageRef &image,
cv::Mat &out,
osx::disp::RGBType destType
) {
cv::Mat temp;
size_t w = CGImageGetWidth(image), h = CGImageGetHeight(image);
if (CGImageGetBitsPerPixel(image) != 32) {
throw invalid_argument("`image` must be 32 bits per pixel");
}
temp.create(int(h), int(w), CV_8UC4);
CGColorSpaceRef colorSpace = CGImageGetColorSpace(image);
CGContextRef context = CGBitmapContextCreate(
temp.data,
w,
h,
CGImageGetBitsPerComponent(image),
CGImageGetBytesPerRow(image),
colorSpace,
CGImageGetAlphaInfo(image)
);
CGContextDrawImage(
context,
CGRectMake(0, 0, (CGFloat)w, (CGFloat)h),
image
);
_cvtRGBColor(temp, out, CGImageGetAlphaInfo(image), destType);
CGContextRelease(context);
return out;
}
bool LockTarget(MCStackSurfaceTargetType p_type, void*& r_context)
{
if (p_type != kMCStackSurfaceTargetCoreGraphics)
return false;
CGImageRef t_mask;
t_mask = nil;
if (m_stack -> getwindowshape() != nil)
t_mask = (CGImageRef)m_stack -> getwindowshape() -> handle;
if (t_mask != nil)
{
MCRectangle t_card_rect;
t_card_rect = m_stack -> getcurcard() -> getrect();
MCRectangle t_rect;
t_rect = MCRegionGetBoundingBox(m_region);
CGContextClearRect(m_context, CGRectMake(t_rect . x, t_card_rect . height - (t_rect . y + t_rect . height), t_rect . width, t_rect . height));
// MW-2012-07-25: [[ Bug ]] Make sure we use signed arithmetic to
// compute the y-origin otherwise it wraps to 2^32!
int32_t t_mask_height, t_mask_width;
t_mask_width = (int32_t)CGImageGetWidth(t_mask);
t_mask_height = (int32_t)CGImageGetHeight(t_mask);
CGRect t_dst_rect;
t_dst_rect . origin . x = 0;
t_dst_rect . origin . y = ((int32_t)t_card_rect . height) - t_mask_height - m_stack -> getscroll();
t_dst_rect . size . width = t_mask_width;
t_dst_rect . size . height = t_mask_height;
CGContextClipToMask(m_context, t_dst_rect, t_mask);
}
CGContextSaveGState(m_context);
r_context = m_context;
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(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;
}
cv::Mat CGImageToMat(CGImageRef image) {
CGColorSpaceRef colorSpace = CGImageGetColorSpace(image);
CGFloat cols = CGImageGetWidth(image);
CGFloat rows = CGImageGetHeight(image);
cv::Mat cvMat(rows, cols, CV_8UC4); // 8 bits per component, 4 channels (color channels + alpha)
CGContextRef contextRef = CGBitmapContextCreate(cvMat.data, // Pointer to data
cols, // Width of bitmap
rows, // Height of bitmap
8, // Bits per component
cvMat.step[0], // Bytes per row
colorSpace, // Colorspace
kCGImageAlphaNoneSkipLast |
kCGBitmapByteOrderDefault); // Bitmap info flags
CGContextDrawImage(contextRef, CGRectMake(0, 0, cols, rows), image);
CGContextRelease(contextRef);
return cvMat;
}
CGImageRef CGImageMaskCreateWithImageRef(CGImageRef imageRef) {
size_t maskWidth = CGImageGetWidth(imageRef);
size_t maskHeight = CGImageGetHeight(imageRef);
size_t bytesPerRow = maskWidth;
size_t bufferSize = maskWidth * maskHeight;
CFMutableDataRef dataBuffer = CFDataCreateMutable(kCFAllocatorDefault, 0);
CFDataSetLength(dataBuffer, bufferSize);
CGColorSpaceRef greyColorSpaceRef = CGColorSpaceCreateDeviceGray();
CGContextRef ctx = CGBitmapContextCreate(CFDataGetMutableBytePtr(dataBuffer),
maskWidth,
maskHeight,
8,
bytesPerRow,
greyColorSpaceRef,
kCGImageAlphaNone);
CGContextDrawImage(ctx, CGRectMake(0, 0, maskWidth, maskHeight), imageRef);
CGContextRelease(ctx);
CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData(dataBuffer);
CGImageRef maskImageRef = CGImageMaskCreate(maskWidth,
maskHeight,
8,
8,
bytesPerRow,
dataProvider,
NULL,
FALSE);
CGDataProviderRelease(dataProvider);
CGColorSpaceRelease(greyColorSpaceRef);
CFRelease(dataBuffer);
return maskImageRef;
}
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;
}
static CGContextRef createCGContextFromImage(WKImageRef wkImage, FlipGraphicsContextOrNot flip = DontFlipGraphicsContext)
{
RetainPtr<CGImageRef> image = adoptCF(WKImageCreateCGImage(wkImage));
size_t pixelsWide = CGImageGetWidth(image.get());
size_t pixelsHigh = CGImageGetHeight(image.get());
size_t rowBytes = (4 * pixelsWide + 63) & ~63;
// Creating this bitmap in the device color space should prevent any color conversion when the image of the web view is drawn into it.
RetainPtr<CGColorSpaceRef> colorSpace = adoptCF(CGColorSpaceCreateDeviceRGB());
CGContextRef context = CGBitmapContextCreate(0, pixelsWide, pixelsHigh, 8, rowBytes, colorSpace.get(), kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
if (flip == FlipGraphicsContext) {
CGContextSaveGState(context);
CGContextScaleCTM(context, 1, -1);
CGContextTranslateCTM(context, 0, -static_cast<CGFloat>(pixelsHigh));
}
CGContextDrawImage(context, CGRectMake(0, 0, pixelsWide, pixelsHigh), image.get());
if (flip == FlipGraphicsContext)
CGContextRestoreGState(context);
return context;
}
block_t *screen_Capture(demux_t *p_demux)
{
demux_sys_t *p_sys = p_demux->p_sys;
screen_data_t *p_data = (screen_data_t *)p_sys->p_data;
block_t *p_block;
CGRect capture_rect;
CGImageRef image;
/* forward cursor location */
CGPoint cursor_pos;
CGEventRef event = CGEventCreate(NULL);
cursor_pos = CGEventGetLocation(event);
CFRelease(event);
cursor_pos.x -= p_data->screen_left;
cursor_pos.y -= p_data->screen_top;
if (p_sys->b_follow_mouse)
FollowMouse(p_sys, cursor_pos.x, cursor_pos.y);
capture_rect.origin.x = p_sys->i_left;
capture_rect.origin.y = p_sys->i_top;
capture_rect.size.width = p_data->width;
capture_rect.size.height = p_data->height;
/* fetch image data */
image = CGDisplayCreateImageForRect(p_data->display_id, capture_rect);
if (!image) {
msg_Warn(p_demux, "no image!");
return NULL;
}
/* create offscreen context */
if (!p_data->offscreen_context) {
CGColorSpaceRef colorspace;
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
p_data->offscreen_bitmap_size = p_sys->fmt.video.i_width * p_sys->fmt.video.i_height * 4;
p_data->offscreen_bitmap = calloc(1, p_data->offscreen_bitmap_size);
if (p_data->offscreen_bitmap == NULL) {
msg_Warn(p_demux, "can't allocate offscreen bitmap");
CFRelease(image);
return NULL;
}
p_data->offscreen_context = CGBitmapContextCreate(p_data->offscreen_bitmap, p_sys->fmt.video.i_width, p_sys->fmt.video.i_height, 8, p_sys->fmt.video.i_width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little);
if (!p_data->offscreen_context) {
msg_Warn(p_demux, "can't create offscreen bitmap context");
CFRelease(image);
return NULL;
}
CGColorSpaceRelease(colorspace);
p_data->offscreen_rect = CGRectMake(0, 0, p_sys->fmt.video.i_width, p_sys->fmt.video.i_height);
}
/* fetch cursor image */
CGImageRef cursor_image;
int cid = CGSMainConnectionID();
CGPoint outHotSpot;
cursor_image = CGSCreateRegisteredCursorImage(cid, (char *)"com.apple.coregraphics.GlobalCurrent", &outHotSpot);
/* draw screen image and cursor image */
CGRect cursor_rect;
cursor_rect.size.width = CGImageGetWidth(cursor_image);
cursor_rect.size.height = CGImageGetHeight(cursor_image);
cursor_rect.origin.x = cursor_pos.x - p_sys->i_left - outHotSpot.x;
cursor_rect.origin.y = p_data->offscreen_rect.size.height
- (cursor_pos.y + cursor_rect.size.height - p_sys->i_top - outHotSpot.y);
CGContextDrawImage(p_data->offscreen_context, p_data->offscreen_rect, image);
CGContextDrawImage(p_data->offscreen_context, cursor_rect, cursor_image);
/* build block */
p_block = block_Alloc(p_data->offscreen_bitmap_size);
if (!p_block) {
msg_Warn(p_demux, "can't get block");
CFRelease(image);
return NULL;
}
memmove(p_block->p_buffer, p_data->offscreen_bitmap, p_data->offscreen_bitmap_size);
CFRelease(image);
return p_block;
}
/* Once we have our image (CGImageRef), we need to get it into an osg::Image */
osg::Image* CreateOSGImageFromCGImage(CGImageRef image_ref)
{
/* This code is adapted from Apple's Documentation found here:
* http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/index.html
* Listing 9-4††Using a Quartz image as a texture source.
* Unfortunately, this guide doesn't show what to do about
* non-RGBA image formats so I'm making the rest up
* (and it's probably all wrong).
*/
size_t the_width = CGImageGetWidth(image_ref);
size_t the_height = CGImageGetHeight(image_ref);
CGRect the_rect = {{0, 0}, {the_width, the_height}};
size_t bits_per_pixel = CGImageGetBitsPerPixel(image_ref);
size_t bytes_per_row = CGImageGetBytesPerRow(image_ref);
// size_t bits_per_component = CGImageGetBitsPerComponent(image_ref);
size_t bits_per_component = 8;
CGImageAlphaInfo alpha_info = CGImageGetAlphaInfo(image_ref);
GLint internal_format;
GLenum pixel_format;
GLenum data_type;
void* image_data = calloc(the_width * 4, the_height);
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info = CGImageGetBitmapInfo(image_ref);
switch(bits_per_pixel)
{
// Drat, if 8-bit, how do you distinguish
// between a 256 color GIF, a LUMINANCE map
// or an ALPHA map?
case 8:
{
// I probably did the formats all wrong for this case,
// especially the ALPHA case.
if(kCGImageAlphaNone == alpha_info)
{
/*
internal_format = GL_LUMINANCE;
pixel_format = GL_LUMINANCE;
*/
internal_format = GL_RGBA8;
pixel_format = GL_BGRA_EXT;
data_type = GL_UNSIGNED_INT_8_8_8_8_REV;
bytes_per_row = the_width*4;
// color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
// bitmap_info = kCGImageAlphaPremultipliedFirst;
#if __BIG_ENDIAN__
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Big; /* XRGB Big Endian */
#else
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little; /* XRGB Little Endian */
#endif
}
else
{
internal_format = GL_ALPHA;
pixel_format = GL_ALPHA;
data_type = GL_UNSIGNED_BYTE;
// bytes_per_row = the_width;
// color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericGray);
color_space = CGColorSpaceCreateDeviceGray();
}
break;
}
case 24:
{
internal_format = GL_RGBA8;
pixel_format = GL_BGRA_EXT;
data_type = GL_UNSIGNED_INT_8_8_8_8_REV;
bytes_per_row = the_width*4;
// color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
// bitmap_info = kCGImageAlphaNone;
#if __BIG_ENDIAN__
bitmap_info = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Big; /* XRGB Big Endian */
#else
bitmap_info = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little; /* XRGB Little Endian */
#endif
break;
}
//
// Tatsuhiro Nishioka
// 16 bpp grayscale (8 bit white and 8 bit alpha) causes invalid argument combination
// in CGBitmapContextCreate.
// I guess it is safer to handle 16 bit grayscale image as 32-bit RGBA image.
// It works at least on FlightGear
//
case 16:
case 32:
case 48:
case 64:
{
internal_format = GL_RGBA8;
pixel_format = GL_BGRA_EXT;
data_type = GL_UNSIGNED_INT_8_8_8_8_REV;
bytes_per_row = the_width*4;
// color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
// bitmap_info = kCGImageAlphaPremultipliedFirst;
#if __BIG_ENDIAN__
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Big; /* XRGB Big Endian */
#else
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little; /* XRGB Little Endian */
#endif
break;
}
default:
{
// OSG_WARN << "Unknown file type in " << fileName.c_str() << " with " << origDepth << std::endl;
return NULL;
break;
}
}
// Sets up a context to be drawn to with image_data as the area to be drawn to
CGContextRef bitmap_context = CGBitmapContextCreate(
image_data,
the_width,
the_height,
bits_per_component,
bytes_per_row,
color_space,
bitmap_info
);
CGContextTranslateCTM(bitmap_context, 0, the_height);
CGContextScaleCTM(bitmap_context, 1.0, -1.0);
// Draws the image into the context's image_data
CGContextDrawImage(bitmap_context, the_rect, image_ref);
CGContextRelease(bitmap_context);
if (!image_data)
return NULL;
// alpha is premultiplied with rgba, undo it
vImage_Buffer vb;
vb.data = image_data;
vb.height = the_height;
vb.width = the_width;
vb.rowBytes = the_width * 4;
vImageUnpremultiplyData_RGBA8888(&vb, &vb, 0);
// changing it to GL_UNSIGNED_BYTE seems working, but I'm not sure if this is a right way.
//
data_type = GL_UNSIGNED_BYTE;
osg::Image* osg_image = new osg::Image;
osg_image->setImage(
the_width,
the_height,
1,
internal_format,
pixel_format,
data_type,
(unsigned char*)image_data,
osg::Image::USE_MALLOC_FREE // Assumption: osg_image takes ownership of image_data and will free
);
return osg_image;
}
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;
}
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect)
{
if (!nativeImageForCurrentFrame())
return;
ASSERT(patternTransform.isInvertible());
if (!patternTransform.isInvertible())
// Avoid a hang under CGContextDrawTiledImage on release builds.
return;
CGContextRef context = ctxt->platformContext();
ctxt->save();
CGContextClipToRect(context, destRect);
ctxt->setCompositeOperation(op);
CGContextTranslateCTM(context, destRect.x(), destRect.y() + destRect.height());
CGContextScaleCTM(context, 1, -1);
// Compute the scaled tile size.
float scaledTileHeight = tileRect.height() * narrowPrecisionToFloat(patternTransform.d());
// We have to adjust the phase to deal with the fact we're in Cartesian space now (with the bottom left corner of destRect being
// the origin).
float adjustedX = phase.x() - destRect.x() + tileRect.x() * narrowPrecisionToFloat(patternTransform.a()); // We translated the context so that destRect.x() is the origin, so subtract it out.
float adjustedY = destRect.height() - (phase.y() - destRect.y() + tileRect.y() * narrowPrecisionToFloat(patternTransform.d()) + scaledTileHeight);
CGImageRef tileImage = nativeImageForCurrentFrame();
float h = CGImageGetHeight(tileImage);
RetainPtr<CGImageRef> subImage;
if (tileRect.size() == size())
subImage = tileImage;
else {
// Copying a sub-image out of a partially-decoded image stops the decoding of the original image. It should never happen
// because sub-images are only used for border-image, which only renders when the image is fully decoded.
ASSERT(h == height());
subImage.adoptCF(CGImageCreateWithImageInRect(tileImage, tileRect));
}
// Adjust the color space.
subImage = imageWithColorSpace(subImage.get(), styleColorSpace);
#ifndef BUILDING_ON_TIGER
// Leopard has an optimized call for the tiling of image patterns, but we can only use it if the image has been decoded enough that
// its buffer is the same size as the overall image. Because a partially decoded CGImageRef with a smaller width or height than the
// overall image buffer needs to tile with "gaps", we can't use the optimized tiling call in that case.
// FIXME: Could create WebKitSystemInterface SPI for CGCreatePatternWithImage2 and probably make Tiger tile faster as well.
// FIXME: We cannot use CGContextDrawTiledImage with scaled tiles on Leopard, because it suffers from rounding errors. Snow Leopard is ok.
float scaledTileWidth = tileRect.width() * narrowPrecisionToFloat(patternTransform.a());
float w = CGImageGetWidth(tileImage);
#ifdef BUILDING_ON_LEOPARD
if (w == size().width() && h == size().height() && scaledTileWidth == tileRect.width() && scaledTileHeight == tileRect.height())
#else
if (w == size().width() && h == size().height())
#endif
CGContextDrawTiledImage(context, FloatRect(adjustedX, adjustedY, scaledTileWidth, scaledTileHeight), subImage.get());
else {
#endif
// On Leopard, this code now only runs for partially decoded images whose buffers do not yet match the overall size of the image.
// On Tiger this code runs all the time. This code is suboptimal because the pattern does not reference the image directly, and the
// pattern is destroyed before exiting the function. This means any decoding the pattern does doesn't end up cached anywhere, so we
// redecode every time we paint.
static const CGPatternCallbacks patternCallbacks = { 0, drawPatternCallback, NULL };
CGAffineTransform matrix = CGAffineTransformMake(narrowPrecisionToCGFloat(patternTransform.a()), 0, 0, narrowPrecisionToCGFloat(patternTransform.d()), adjustedX, adjustedY);
matrix = CGAffineTransformConcat(matrix, CGContextGetCTM(context));
// The top of a partially-decoded image is drawn at the bottom of the tile. Map it to the top.
matrix = CGAffineTransformTranslate(matrix, 0, size().height() - h);
RetainPtr<CGPatternRef> pattern(AdoptCF, CGPatternCreate(subImage.get(), CGRectMake(0, 0, tileRect.width(), tileRect.height()),
matrix, tileRect.width(), tileRect.height(),
kCGPatternTilingConstantSpacing, true, &patternCallbacks));
if (!pattern) {
ctxt->restore();
return;
}
RetainPtr<CGColorSpaceRef> patternSpace(AdoptCF, CGColorSpaceCreatePattern(0));
CGFloat alpha = 1;
RetainPtr<CGColorRef> color(AdoptCF, CGColorCreateWithPattern(patternSpace.get(), pattern.get(), &alpha));
CGContextSetFillColorSpace(context, patternSpace.get());
// FIXME: Really want a public API for this. It is just CGContextSetBaseCTM(context, CGAffineTransformIdentiy).
wkSetPatternBaseCTM(context, CGAffineTransformIdentity);
CGContextSetPatternPhase(context, CGSizeZero);
CGContextSetFillColorWithColor(context, color.get());
CGContextFillRect(context, CGContextGetClipBoundingBox(context));
#ifndef BUILDING_ON_TIGER
}
#endif
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
static void drawPatternCallback(void* info, CGContextRef context)
{
CGImageRef image = (CGImageRef)info;
CGContextDrawImage(context, GraphicsContext(context).roundToDevicePixels(FloatRect(0, 0, CGImageGetWidth(image), CGImageGetHeight(image))), image);
}
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& destRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator compositeOp)
{
startAnimation();
RetainPtr<CGImageRef> image = frameAtIndex(m_currentFrame);
if (!image) // If it's too early we won't have an image yet.
return;
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), styleColorSpace, compositeOp);
return;
}
float currHeight = CGImageGetHeight(image.get());
if (currHeight <= srcRect.y())
return;
CGContextRef context = ctxt->platformContext();
ctxt->save();
bool shouldUseSubimage = false;
// If the source rect is a subportion of the image, then we compute an inflated destination rect that will hold the entire image
// and then set a clip to the portion that we want to display.
FloatRect adjustedDestRect = destRect;
FloatSize selfSize = currentFrameSize();
if (srcRect.size() != selfSize) {
CGInterpolationQuality interpolationQuality = CGContextGetInterpolationQuality(context);
// When the image is scaled using high-quality interpolation, we create a temporary CGImage
// containing only the portion we want to display. We need to do this because high-quality
// interpolation smoothes sharp edges, causing pixels from outside the source rect to bleed
// into the destination rect. See <rdar://problem/6112909>.
shouldUseSubimage = (interpolationQuality == kCGInterpolationHigh || interpolationQuality == kCGInterpolationDefault) && (srcRect.size() != destRect.size() || !ctxt->getCTM().isIdentityOrTranslationOrFlipped());
float xScale = srcRect.width() / destRect.width();
float yScale = srcRect.height() / destRect.height();
if (shouldUseSubimage) {
FloatRect subimageRect = srcRect;
float leftPadding = srcRect.x() - floorf(srcRect.x());
float topPadding = srcRect.y() - floorf(srcRect.y());
subimageRect.move(-leftPadding, -topPadding);
adjustedDestRect.move(-leftPadding / xScale, -topPadding / yScale);
subimageRect.setWidth(ceilf(subimageRect.width() + leftPadding));
adjustedDestRect.setWidth(subimageRect.width() / xScale);
subimageRect.setHeight(ceilf(subimageRect.height() + topPadding));
adjustedDestRect.setHeight(subimageRect.height() / yScale);
image.adoptCF(CGImageCreateWithImageInRect(image.get(), subimageRect));
if (currHeight < srcRect.bottom()) {
ASSERT(CGImageGetHeight(image.get()) == currHeight - CGRectIntegral(srcRect).origin.y);
adjustedDestRect.setHeight(CGImageGetHeight(image.get()) / yScale);
}
} else {
adjustedDestRect.setLocation(FloatPoint(destRect.x() - srcRect.x() / xScale, destRect.y() - srcRect.y() / yScale));
adjustedDestRect.setSize(FloatSize(selfSize.width() / xScale, selfSize.height() / yScale));
}
CGContextClipToRect(context, destRect);
}
// If the image is only partially loaded, then shrink the destination rect that we're drawing into accordingly.
if (!shouldUseSubimage && currHeight < selfSize.height())
adjustedDestRect.setHeight(adjustedDestRect.height() * currHeight / selfSize.height());
ctxt->setCompositeOperation(compositeOp);
// Flip the coords.
CGContextScaleCTM(context, 1, -1);
adjustedDestRect.setY(-adjustedDestRect.bottom());
// Adjust the color space.
image = imageWithColorSpace(image.get(), styleColorSpace);
// Draw the image.
CGContextDrawImage(context, adjustedDestRect, image.get());
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
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;
}
void MusicBoxDialog(void)
{
OSStatus err;
IBNibRef nibRef;
if (!cartOpen)
return;
err = CreateNibReference(kMacS9XCFString, &nibRef);
if (err == noErr)
{
CFURLRef iconURL;
FSRef iconFSRef;
IconRef actIcon;
WindowRef tWindowRef;
actIcon = nil;
if (musicboxmode == kMBXSoundEmulation)
iconURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("musicbox_ledoff"), CFSTR("icns"), nil);
else
iconURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("musicbox_ledon" ), CFSTR("icns"), nil);
if (iconURL)
{
if (CFURLGetFSRef(iconURL, &iconFSRef))
err = RegisterIconRefFromFSRef('~9X~', 'micn', &iconFSRef, &actIcon);
CFRelease(iconURL);
}
err = CreateWindowFromNib(nibRef, CFSTR("MusicBox"), &tWindowRef);
if (err == noErr)
{
EventHandlerRef mboxRef, paneRef;
EventHandlerUPP mboxUPP, paneUPP;
EventLoopTimerRef timeRef;
EventLoopTimerUPP timeUPP;
EventTypeSpec mboxEvents[] = { { kEventClassCommand, kEventCommandProcess },
{ kEventClassCommand, kEventCommandUpdateStatus } },
paneEvents[] = { { kEventClassControl, kEventControlDraw } };
CFStringRef sref;
CGDataProviderRef prov;
CGImageRef ipng;
CFURLRef iurl;
HIViewRef ctl, root, paneView, imageView, contentView;
HIViewID cid;
HIRect bounds;
Rect windowRect, barRect;
char drive[_MAX_DRIVE], dir[_MAX_DIR], fname[_MAX_FNAME], ext[_MAX_EXT];
mboxPause = false;
mbxFinished = false;
showIndicator = false;
so.stereo_switch = ~0;
for (int i = 0; i < MAC_MAX_PLAYERS; i++)
controlPad[i] = 0;
switch (drawingMethod)
{
case kDrawingOpenGL:
Settings.OpenGLEnable = true;
break;
case kDrawingDirect:
case kDrawingBlitGL:
Settings.OpenGLEnable = false;
}
// 107's enhanced SPC player
root = HIViewGetRoot(tWindowRef);
cid.id = 0;
if (musicboxmode == kMBXSoundEmulation)
{
cid.signature = 'HEAD';
HIViewFindByID(root, cid, &ctl);
EnableControl(ctl);
StoredAPU = new SAPU;
StoredAPURegisters = new SAPURegisters;
StoredSoundData = new SSoundData;
StoredIAPURAM = new uint8 [0x10000];
SPCPlayFreeze();
}
else
MusicBoxForceFreeze();
cid.signature = 'Kart';
HIViewFindByID(root, cid, &ctl);
SetStaticTextTrunc(ctl, truncEnd, false);
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
sref = CFStringCreateWithCString(kCFAllocatorDefault, fname, MAC_PATH_ENCODING);
if (sref)
{
SetStaticTextCFString(ctl, sref, false);
CFRelease(sref);
}
ipng = nil;
iurl = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("musicbox_indicator"), CFSTR("png"), nil);
if (iurl)
{
prov = CGDataProviderCreateWithURL(iurl);
if (prov)
{
ipng = CGImageCreateWithPNGDataProvider(prov, nil, false, kCGRenderingIntentDefault);
CGDataProviderRelease(prov);
}
CFRelease(iurl);
}
imageView = nil;
if (ipng)
{
HIViewFindByID(root, kHIViewWindowContentID, &contentView);
err = HIImageViewCreate(ipng, &imageView);
if (err == noErr)
{
bounds = CGRectMake(30, 64, CGImageGetWidth(ipng), CGImageGetHeight(ipng));
HIViewSetFrame(imageView, &bounds);
HIImageViewSetOpaque(imageView, false);
HIViewSetVisible(imageView, true);
HIViewAddSubview(contentView, imageView);
cid.signature = 'iMaG';
SetControlID(imageView, &cid);
}
CGImageRelease(ipng);
}
cid.signature = 'Pane';
HIViewFindByID(root, cid, &paneView);
HIViewGetBounds(paneView, &bounds);
mbxViewWidth = bounds.size.width;
mbxViewHeight = bounds.size.height;
mbxMarginY = (mbxViewHeight - mbxBarHeight) / 2.0;
mbxMarginX = (mbxViewWidth - ((mbxBarWidth * 8.0 + mbxBarSpace * 7.0) * 2.0 + mbxLRSpace)) / 2.0;
if (imageView)
{
HIViewSetZOrder(imageView, kHIViewZOrderBelow, paneView);
HIViewAddSubview(imageView, paneView);
}
cid.signature = 'Tr_i';
HIViewFindByID(root, cid, &ctl);
HIViewGetFrame(ctl, &bounds);
GetWindowBounds(tWindowRef, kWindowTitleBarRgn, &barRect);
mbxClosedHeight = (short) (bounds.origin.y + bounds.size.height + 7.0) + (barRect.bottom - barRect.top);
GetWindowBounds(tWindowRef, kWindowStructureRgn, &windowRect);
mbxOpenedHeight = windowRect.bottom - windowRect.top;
windowRect.bottom = windowRect.top + mbxClosedHeight;
SetWindowBounds(tWindowRef, kWindowStructureRgn, &windowRect);
paneUPP = NewEventHandlerUPP(IndicatorEventHandler);
err = InstallControlEventHandler(paneView, paneUPP, GetEventTypeCount(paneEvents), paneEvents, (void *) paneView, &paneRef);
mboxUPP = NewEventHandlerUPP(MusicBoxEventHandler);
err = InstallWindowEventHandler(tWindowRef, mboxUPP, GetEventTypeCount(mboxEvents), mboxEvents, (void *) tWindowRef, &mboxRef);
timeUPP = NewEventLoopTimerUPP(MusicBoxTimerHandler);
err = InstallEventLoopTimer(GetCurrentEventLoop(), kEventDurationNoWait, kEventDurationSecond * 2.0 / (double) Memory.ROMFramesPerSecond, timeUPP, (void *) paneView, &timeRef);
MusicBoxInitIndicator();
stopNow = false;
MacStartSound();
pthread_create(&mbxThread, nil, SoundTask, nil);
MoveWindowPosition(tWindowRef, kWindowMusicBox, true);
GetWindowBounds(tWindowRef, kWindowStructureRgn, &windowRect);
if (windowRect.bottom - windowRect.top > mbxClosedHeight)
{
showIndicator = true;
SetControl32BitValue(ctl, 1); // Tr_i
}
ShowWindow(tWindowRef);
err = RunAppModalLoopForWindow(tWindowRef);
HideWindow(tWindowRef);
SaveWindowPosition(tWindowRef, kWindowMusicBox);
stopNow = true;
pthread_join(mbxThread, nil);
MacStopSound();
err = RemoveEventLoopTimer(timeRef);
DisposeEventLoopTimerUPP(timeUPP);
err = RemoveEventHandler(mboxRef);
DisposeEventHandlerUPP(mboxUPP);
err = RemoveEventHandler(paneRef);
DisposeEventHandlerUPP(paneUPP);
ReleaseWindow(tWindowRef);
so.stereo_switch = ~0;
mbxFinished = true;
if (musicboxmode == kMBXSoundEmulation)
{
SPCPlayDefrost();
delete StoredAPU;
delete StoredAPURegisters;
delete StoredSoundData;
delete [] StoredIAPURAM;
}
else
MusicBoxForceDefrost();
Settings.OpenGLEnable = false;
}
if (actIcon)
err = UnregisterIconRef('~9X~', 'micn');
DisposeNibReference(nibRef);
}
}
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();
}
void ImageBuffer::putByteArray(Multiply multiplied, Uint8ClampedArray* source, const IntSize& sourceSize, const IntRect& sourceRect, const IntPoint& destPoint, CoordinateSystem coordinateSystem)
{
if (!context().isAcceleratedContext()) {
IntRect scaledSourceRect = sourceRect;
IntSize scaledSourceSize = sourceSize;
if (coordinateSystem == LogicalCoordinateSystem) {
scaledSourceRect.scale(m_resolutionScale);
scaledSourceSize.scale(m_resolutionScale);
}
m_data.putData(source, scaledSourceSize, scaledSourceRect, destPoint, internalSize(), false, multiplied == Unmultiplied, 1);
return;
}
#if USE(IOSURFACE_CANVAS_BACKING_STORE)
// Make a copy of the source to ensure the bits don't change before being drawn
IntSize sourceCopySize(sourceRect.width(), sourceRect.height());
// FIXME (149431): Should this ImageBuffer be unconditionally unaccelerated? Making it match the context seems to break putData().
std::unique_ptr<ImageBuffer> sourceCopy = ImageBuffer::create(sourceCopySize, Unaccelerated, 1, ColorSpaceDeviceRGB);
if (!sourceCopy)
return;
sourceCopy->m_data.putData(source, sourceSize, sourceRect, IntPoint(-sourceRect.x(), -sourceRect.y()), sourceCopy->internalSize(), sourceCopy->context().isAcceleratedContext(), multiplied == Unmultiplied, 1);
// Set up context for using drawImage as a direct bit copy
CGContextRef destContext = context().platformContext();
CGContextSaveGState(destContext);
if (coordinateSystem == LogicalCoordinateSystem)
CGContextConcatCTM(destContext, AffineTransform(wkGetUserToBaseCTM(destContext)).inverse());
else
CGContextConcatCTM(destContext, AffineTransform(CGContextGetCTM(destContext)).inverse());
CGContextResetClip(destContext);
CGContextSetInterpolationQuality(destContext, kCGInterpolationNone);
CGContextSetAlpha(destContext, 1.0);
CGContextSetBlendMode(destContext, kCGBlendModeCopy);
CGContextSetShadowWithColor(destContext, CGSizeZero, 0, 0);
// Draw the image in CG coordinate space
FloatSize scaledDestSize = scaleSizeToUserSpace(coordinateSystem == LogicalCoordinateSystem ? logicalSize() : internalSize(), m_data.backingStoreSize, internalSize());
IntPoint destPointInCGCoords(destPoint.x() + sourceRect.x(), scaledDestSize.height() - (destPoint.y() + sourceRect.y()) - sourceRect.height());
IntRect destRectInCGCoords(destPointInCGCoords, sourceCopySize);
CGContextClipToRect(destContext, destRectInCGCoords);
RetainPtr<CGImageRef> sourceCopyImage = sourceCopy->copyNativeImage();
FloatRect backingStoreInDestRect = FloatRect(FloatPoint(destPointInCGCoords.x(), destPointInCGCoords.y() + sourceCopySize.height() - (int)CGImageGetHeight(sourceCopyImage.get())), FloatSize(CGImageGetWidth(sourceCopyImage.get()), CGImageGetHeight(sourceCopyImage.get())));
CGContextDrawImage(destContext, backingStoreInDestRect, sourceCopyImage.get());
CGContextRestoreGState(destContext);
#endif
}
static IconRef CreateIconRefFromImage (CGImageRef srcImage, CGRect srcRect)
{
OSStatus err;
CGContextRef cctx, actx;
CGColorSpaceRef color;
CGRect dstRect;
IconRef iconRef;
IconFamilyHandle icns;
Handle hdl;
SInt32 size;
UInt32 rgb[kIconSize * kIconSize];
UInt8 alp[kIconSize * kIconSize];
srcRect.origin.y = CGImageGetHeight(srcImage) - srcRect.origin.y - kIconSize;
color = CGColorSpaceCreateDeviceRGB();
if (color)
{
cctx = CGBitmapContextCreate(rgb, kIconSize, kIconSize, 8, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst);
if (cctx)
{
dstRect = CGRectMake(0, 0, kIconSize, kIconSize);
DrawSubCGImage(cctx, srcImage, srcRect, dstRect);
actx = CGBitmapContextCreate(alp, kIconSize, kIconSize, 8, kIconSize, NULL, kCGImageAlphaOnly);
if (actx)
{
DrawSubCGImage(actx, srcImage, srcRect, dstRect);
CGContextRelease(actx);
}
CGContextRelease(cctx);
}
CGColorSpaceRelease(color);
}
iconRef = NULL;
size = sizeof(OSType) + sizeof(SInt32);
icns = (IconFamilyHandle) NewHandle(size);
if (icns)
{
// Big-endian: Panther is for PowerPC only
(*icns)->resourceType = kIconFamilyType;
(*icns)->resourceSize = size;
err = PtrToHand(rgb, &hdl, sizeof(rgb));
if (err == noErr)
{
err = SetIconFamilyData(icns, kSmall32BitData, hdl);
DisposeHandle(hdl);
if (err == noErr)
{
err = PtrToHand(alp, &hdl, sizeof(alp));
if (err == noErr)
{
err = SetIconFamilyData(icns, kSmall8BitMask, hdl);
DisposeHandle(hdl);
}
}
}
if (err == noErr)
err = GetIconRefFromIconFamilyPtr(*icns, GetHandleSize((Handle) icns), &iconRef);
DisposeHandle((Handle) icns);
}
return (iconRef);
}
// Once we have our image, we need to get it into an SDL_Surface
static SDL_Surface* Create_SDL_Surface_From_CGImage(CGImageRef image_ref)
{
/* This code is adapted from Apple's Documentation found here:
* http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/index.html
* Listing 9-4††Using a Quartz image as a texture source.
* Unfortunately, this guide doesn't show what to do about
* non-RGBA image formats so I'm making the rest up.
* All this code should be scrutinized.
*/
size_t w = CGImageGetWidth(image_ref);
size_t h = CGImageGetHeight(image_ref);
CGRect rect = {{0, 0}, {w, h}};
CGImageAlphaInfo alpha = CGImageGetAlphaInfo(image_ref);
//size_t bits_per_pixel = CGImageGetBitsPerPixel(image_ref);
size_t bits_per_component = 8;
SDL_Surface* surface;
Uint32 Amask;
Uint32 Rmask;
Uint32 Gmask;
Uint32 Bmask;
CGContextRef bitmap_context;
CGBitmapInfo bitmap_info;
CGColorSpaceRef color_space = CGColorSpaceCreateDeviceRGB();
if (alpha == kCGImageAlphaNone ||
alpha == kCGImageAlphaNoneSkipFirst ||
alpha == kCGImageAlphaNoneSkipLast) {
bitmap_info = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host; /* XRGB */
Amask = 0x00000000;
} else {
/* kCGImageAlphaFirst isn't supported */
//bitmap_info = kCGImageAlphaFirst | kCGBitmapByteOrder32Host; /* ARGB */
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host; /* ARGB */
Amask = 0xFF000000;
}
Rmask = 0x00FF0000;
Gmask = 0x0000FF00;
Bmask = 0x000000FF;
surface = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 32, Rmask, Gmask, Bmask, Amask);
if (surface)
{
// Sets up a context to be drawn to with surface->pixels as the area to be drawn to
bitmap_context = CGBitmapContextCreate(
surface->pixels,
surface->w,
surface->h,
bits_per_component,
surface->pitch,
color_space,
bitmap_info
);
// Draws the image into the context's image_data
CGContextDrawImage(bitmap_context, rect, image_ref);
CGContextRelease(bitmap_context);
// FIXME: Reverse the premultiplied alpha
if ((bitmap_info & kCGBitmapAlphaInfoMask) == kCGImageAlphaPremultipliedFirst) {
int i, j;
Uint8 *p = (Uint8 *)surface->pixels;
for (i = surface->h * surface->pitch/4; i--; ) {
#if __LITTLE_ENDIAN__
Uint8 A = p[3];
if (A) {
for (j = 0; j < 3; ++j) {
p[j] = (p[j] * 255) / A;
}
}
#else
Uint8 A = p[0];
if (A) {
for (j = 1; j < 4; ++j) {
p[j] = (p[j] * 255) / A;
}
}
#endif /* ENDIAN */
p += 4;
}
}
}
if (color_space)
{
CGColorSpaceRelease(color_space);
}
return surface;
}
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
}
