void TIPGradientAxialFillPath( CGContextRef theContext, TIPGradientRef theGradient, CGPathRef thePath, float angle)
{
CGRect boundingRect = CGPathGetBoundingBox(thePath);
CGPoint startPoint;
CGPoint endPoint;
TIPGradientFindEndpointsForRotation(boundingRect,angle,&startPoint,&endPoint);
// CoreGraphics Calls
CGContextSaveGState(theContext);
CGColorSpaceRef colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
CGShadingRef myCGShading = CGShadingCreateAxial(colorSpace,startPoint,endPoint,theGradient->gradientFunction,FALSE,FALSE);
CGContextAddPath(theContext,thePath);
CGContextClip(theContext);
CGContextDrawShading(theContext,myCGShading);
CGShadingRelease(myCGShading);
CGColorSpaceRelease(colorSpace);
CGContextRestoreGState(theContext);
}
void CanvasRenderingContext2D::applyShadow()
{
GraphicsContext* c = drawingContext();
if (!c)
return;
// FIXME: Do this through platform-independent GraphicsContext API.
#if PLATFORM(CG)
RGBA32 rgba = state().m_shadowColor.isEmpty() ? 0 : CSSParser::parseColor(state().m_shadowColor);
const CGFloat components[4] = {
((rgba >> 16) & 0xFF) / 255.0f,
((rgba >> 8) & 0xFF) / 255.0f,
(rgba & 0xFF) / 255.0f,
((rgba >> 24) & 0xFF) / 255.0f
};
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGColorRef color = CGColorCreate(colorSpace, components);
CGColorSpaceRelease(colorSpace);
CGContextSetShadowWithColor(c->platformContext(), state().m_shadowOffset, state().m_shadowBlur, color);
CGColorRelease(color);
#endif
}
/**
* Converts a QPixmap to a CGImage.
*
* @returns CGImageRef for the new image. (Remember to release it when finished with it.)
* @param aPixmap Pointer to the QPixmap instance to convert.
*/
CGImageRef darwinToCGImageRef(const QImage *pImage)
{
QImage *imageCopy = new QImage(*pImage);
/** @todo this code assumes 32-bit image input, the lazy bird convert image to 32-bit method is anything but optimal... */
if (imageCopy->format() != QImage::Format_ARGB32)
*imageCopy = imageCopy->convertToFormat(QImage::Format_ARGB32);
Assert(!imageCopy->isNull());
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
CGDataProviderRef dp = CGDataProviderCreateWithData(imageCopy, pImage->bits(), pImage->numBytes(), darwinDataProviderReleaseQImage);
CGBitmapInfo bmpInfo = kCGImageAlphaFirst | kCGBitmapByteOrder32Host;
CGImageRef ir = CGImageCreate(imageCopy->width(), imageCopy->height(), 8, 32, imageCopy->bytesPerLine(), cs,
bmpInfo, dp, 0 /*decode */, 0 /* shouldInterpolate */,
kCGRenderingIntentDefault);
CGColorSpaceRelease(cs);
CGDataProviderRelease(dp);
Assert(ir);
return ir;
}
void QuartzWindow::close() {
if (!is_open())
return;
CGrafPtr gp = GetWindowPort(my_window());
if (gp != NULL) // already closed by std handler
QDEndCGContext( gp, &myContext );
CGColorRelease((CGColorRef) _red);
CGColorRelease((CGColorRef) _yellow);
CGColorRelease((CGColorRef) _black);
CGColorRelease((CGColorRef) _gray);
CGColorRelease((CGColorRef) _white);
CGColorSpaceRelease(_color_space);
WindowSet::rm_window(my_window());
if (gp != NULL)
DisposeWindow(my_window());
_is_open = false;
DisposeEventHandlerUPP(_my_event_handler_upp);
DisposeEventHandlerUPP(_my_spy_event_handler_upp);
_my_event_handler = NULL;
_my_spy_event_handler = NULL;
_quartz_win = NULL;
}
CGShadingRef CanvasGradient::platformShading()
{
if (m_shading)
return m_shading;
const CGFloat intervalRanges[2] = { 0, 1 };
const CGFloat colorComponentRanges[4 * 2] = { 0, 1, 0, 1, 0, 1, 0, 1 };
const CGFunctionCallbacks gradientCallbacks = { 0, gradientCallback, 0 };
CGFunctionRef colorFunction = CGFunctionCreate(this, 1, intervalRanges, 4, colorComponentRanges, &gradientCallbacks);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
if (m_radial)
m_shading = CGShadingCreateRadial(colorSpace, m_p0, m_r0, m_p1, m_r1, colorFunction, true, true);
else
m_shading = CGShadingCreateAxial(colorSpace, m_p0, m_p1, colorFunction, true, true);
CGColorSpaceRelease(colorSpace);
CGFunctionRelease(colorFunction);
return m_shading;
}
CGImageRef CGimageResize(CGImageRef image, CGSize maxSize)
{
// calcualte size
CGFloat ratio = MAX(CGImageGetWidth(image)/maxSize.width,CGImageGetHeight(image)/maxSize.height);
size_t width = CGImageGetWidth(image)/ratio;
size_t height = CGImageGetHeight(image)/ratio;
// resize
CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(NULL, width, height,
8, width*4, colorspace, kCGImageAlphaPremultipliedLast);
CGColorSpaceRelease(colorspace);
if(context == NULL) return nil;
// draw image to context (resizing it)
CGContextDrawImage(context, CGRectMake(0, 0, width, height), image);
// extract resulting image from context
CGImageRef imgRef = CGBitmapContextCreateImage(context);
CGContextRelease(context);
return imgRef;
}
static CGContextRef createContextWithBitmap(CFX_DIBitmap* pBitmap)
{
if (!pBitmap || pBitmap->IsCmykImage() || pBitmap->GetBPP() < 32) {
return NULL;
}
CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Little;
if (pBitmap->HasAlpha()) {
bitmapInfo |= kCGImageAlphaPremultipliedFirst;
} else {
bitmapInfo |= kCGImageAlphaNoneSkipFirst;
}
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(pBitmap->GetBuffer(),
pBitmap->GetWidth(),
pBitmap->GetHeight(),
8,
pBitmap->GetPitch(),
colorSpace,
bitmapInfo);
CGColorSpaceRelease(colorSpace);
return context;
}
void os_image_save_to_file(const char* filename, unsigned char* data, int width, int height, int channels) {
assert((channels == 3) || (channels == 4));
const int bytesPerRow = (width * channels);
const int bytesPerImage = (bytesPerRow * height);
const int bitsPerChannel = 8;
const int bitsPerPixel = (bitsPerChannel * channels);
CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
CFDataRef rgbData = CFDataCreate(NULL, data, bytesPerImage);
CGDataProviderRef provider = CGDataProviderCreateWithCFData(rgbData);
CGImageRef imageRef = CGImageCreate(
width,
height,
bitsPerChannel,
bitsPerPixel,
bytesPerRow,
colorspace,
kCGBitmapByteOrderDefault,
provider,
NULL,
true,
kCGRenderingIntentDefault);
CFRelease(rgbData);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorspace);
CFURLRef url = CFURLCreateFromFileSystemRepresentation(NULL, (const uint8_t*)filename, (CFIndex)strlen(filename), false);
CGImageDestinationRef destination = CGImageDestinationCreateWithURL(url, kUTTypePNG, 1, NULL);
CGImageDestinationAddImage(destination, imageRef, nil);
if (!CGImageDestinationFinalize(destination)) {
fprintf(stderr, "Failed to write image to %s\n", filename);
}
CFRelease(destination);
CFRelease(url);
CGImageRelease(imageRef);
}
bool GiCanvasIosImpl::createBufferBitmap(float width, float height)
{
width *= _scale; // 点数宽度转为像素宽度
height *= _scale;
if (width < 4 || height < 4 || width > 2049 || height > 2049) {
return false;
}
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
_buffctx = CGBitmapContextCreate(NULL, width, height, 8, width * 4,
colorSpace, kCGImageAlphaPremultipliedLast);
CGColorSpaceRelease(colorSpace);
// 坐标系改为Y朝下，原点在左上角，这样除了放大倍数为1外，其余就与 _context 坐标系一致
if (_buffctx) {
CGContextTranslateCTM(_buffctx, 0, height);
CGContextScaleCTM(_buffctx, _scale, - _scale);
}
return !!_buffctx;
}
bool nglImageCGCodec::Feed(nglIStream* pIStream)
{
if (!mpCGImage)
{
mpCGImage = ReadInfo(pIStream); ///< shall allocate the buffer
}
if (!mpCGImage)
return false;
mpIStream = pIStream;
// Use the generic RGB color space.
CGColorSpaceRef pCGColors = CGColorSpaceCreateDeviceRGB();
if (pCGColors == NULL)
{
NGL_OUT(_T("nglImageCGCodec::Feed Error allocating color space\n"));
return false;
}
nglImageInfo info;
mpImage->GetInfo(info);
NGL_ASSERT(info.mpBuffer);
// Create the bitmap context.
// The image will be converted to the format specified here by CGBitmapContextCreate.
CGContextRef pCGContext =
CGBitmapContextCreate(info.mpBuffer, info.mWidth, info.mHeight,
info.mBitDepth/4, info.mBytesPerLine,
pCGColors, kCGImageAlphaPremultipliedLast);//kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(pCGColors);
CGRect rect = { {0,0}, {info.mWidth, info.mHeight} };
CGContextClearRect(pCGContext, rect);
CGContextDrawImage(pCGContext, rect, mpCGImage);
CGContextRelease(pCGContext);
SendData(1.0f);
return (pIStream->GetState()==eStreamWait) || (pIStream->GetState()==eStreamReady);;
}
CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
CGColorSpaceRef colorSpace) {
size_t bitsPerComponent SK_INIT_TO_AVOID_WARNING;
CGBitmapInfo info SK_INIT_TO_AVOID_WARNING;
SkBitmap* bitmap = prepareForImageRef(bm, &bitsPerComponent, &info);
if (NULL == bitmap) {
return NULL;
}
const int w = bitmap->width();
const int h = bitmap->height();
const size_t s = bitmap->getSize();
// our provider "owns" the bitmap*, and will take care of deleting it
// we initially lock it, so we can access the pixels. The bitmap will be deleted in the release
// proc, which will in turn unlock the pixels
bitmap->lockPixels();
CGDataProviderRef dataRef = CGDataProviderCreateWithData(bitmap, bitmap->getPixels(), s,
SkBitmap_ReleaseInfo);
bool releaseColorSpace = false;
if (NULL == colorSpace) {
colorSpace = CGColorSpaceCreateDeviceRGB();
releaseColorSpace = true;
}
CGImageRef ref = CGImageCreate(w, h, bitsPerComponent,
bitmap->bytesPerPixel() * 8,
bitmap->rowBytes(), colorSpace, info, dataRef,
NULL, false, kCGRenderingIntentDefault);
if (releaseColorSpace) {
CGColorSpaceRelease(colorSpace);
}
CGDataProviderRelease(dataRef);
return ref;
}
int main(int argc, const char * argv[])
{
size_t width = 2000;
size_t height = 2000;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(nullptr, width, height, 8, width * 4, colorSpace, kCGImageAlphaNoneSkipLast);
CGColorSpaceRelease(colorSpace);
const std::vector<uint8_t> fontVector = generateFont();
std::ofstream outputFile("/Volumes/Data/home/mmaxfield/tmp/output.otf", std::ios::out | std::ios::binary);
for (uint8_t b : fontVector)
outputFile << b;
outputFile.close();
CFDataRef fontData = CFDataCreate(kCFAllocatorDefault, fontVector.data(), fontVector.size());
CTFontDescriptorRef fontDescriptor = CTFontManagerCreateFontDescriptorFromData(fontData);
CFRelease(fontData);
CFTypeRef featureValues[] = { CFSTR("liga"), CFSTR("clig"), CFSTR("dlig"), CFSTR("hlig"), CFSTR("calt"), CFSTR("subs"), CFSTR("sups"), CFSTR("smcp"), CFSTR("c2sc"), CFSTR("pcap"), CFSTR("c2pc"), CFSTR("unic"), CFSTR("titl"), CFSTR("onum"), CFSTR("pnum"), CFSTR("tnum"), CFSTR("frac"), CFSTR("afrc"), CFSTR("ordn"), CFSTR("zero"), CFSTR("hist"), CFSTR("jp78"), CFSTR("jp83"), CFSTR("jp90"), CFSTR("jp04"), CFSTR("smpl"), CFSTR("trad"), CFSTR("fwid"), CFSTR("pwid"), CFSTR("ruby") };
CFArrayRef features = CFArrayCreate(kCFAllocatorDefault, featureValues, 30, &kCFTypeArrayCallBacks);
for (CFIndex i = 0; i < CFArrayGetCount(features); ++i) {
drawTextWithFeature(context, fontDescriptor, static_cast<CFStringRef>(CFArrayGetValueAtIndex(features, i)), 1, CGPointMake(25, 1950 - 50 * i));
drawTextWithFeature(context, fontDescriptor, static_cast<CFStringRef>(CFArrayGetValueAtIndex(features, i)), 0, CGPointMake(25, 1925 - 50 * i));
}
CFRelease(features);
CFRelease(fontDescriptor);
CGImageRef image = CGBitmapContextCreateImage(context);
CGContextRelease(context);
CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR("/Volumes/Data/home/mmaxfield/tmp/output.png"), kCFURLPOSIXPathStyle, FALSE);
CGImageDestinationRef imageDestination = CGImageDestinationCreateWithURL(url, kUTTypePNG, 1, nullptr);
CFRelease(url);
CGImageDestinationAddImage(imageDestination, image, nullptr);
CGImageRelease(image);
CGImageDestinationFinalize(imageDestination);
CFRelease(imageDestination);
return 0;
}
static CGContextRef CGContextWithHDC(HDC hdc, bool hasAlpha)
{
HBITMAP bitmap = static_cast<HBITMAP>(GetCurrentObject(hdc, OBJ_BITMAP));
CGColorSpaceRef deviceRGB = CGColorSpaceCreateDeviceRGB();
BITMAP info;
GetObject(bitmap, sizeof(info), &info);
ASSERT(info.bmBitsPixel == 32);
CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Little | (hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst);
CGContextRef context = CGBitmapContextCreate(info.bmBits, info.bmWidth, info.bmHeight, 8,
info.bmWidthBytes, deviceRGB, bitmapInfo);
CGColorSpaceRelease(deviceRGB);
// Flip coords
CGContextTranslateCTM(context, 0, info.bmHeight);
CGContextScaleCTM(context, 1, -1);
// Put the HDC In advanced mode so it will honor affine transforms.
SetGraphicsMode(hdc, GM_ADVANCED);
return context;
}
HBITMAP allocImage(HDC dc, IntSize size, CGContextRef *targetRef)
{
BitmapInfo bmpInfo = BitmapInfo::create(size);
LPVOID bits;
HBITMAP hbmp = CreateDIBSection(dc, &bmpInfo, DIB_RGB_COLORS, &bits, 0, 0);
if (!targetRef)
return hbmp;
CGColorSpaceRef deviceRGB = CGColorSpaceCreateDeviceRGB();
CGContextRef bitmapContext = CGBitmapContextCreate(bits, bmpInfo.bmiHeader.biWidth, bmpInfo.bmiHeader.biHeight, 8,
bmpInfo.bmiHeader.biWidth * 4, deviceRGB,
kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst);
CGColorSpaceRelease(deviceRGB);
if (!bitmapContext) {
DeleteObject(hbmp);
return 0;
}
*targetRef = bitmapContext;
return hbmp;
}
OpBitmap* CreateOpBitmapFromIcon(IconRef iconin, int cx, int cy)
{
if (iconin)
{
OpBitmap* bm;
if (OpStatus::IsSuccess(OpBitmap::Create(&bm, cx, cy, FALSE, TRUE, 0, 0, TRUE)))
{
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
void* p = bm->GetPointer(OpBitmap::ACCESS_WRITEONLY);
memset(p, 0, bm->Height()*bm->GetBytesPerLine());
CGBitmapInfo alpha = kCGBitmapByteOrderVegaInternal;
CGContextRef ctx = CGBitmapContextCreate(p, bm->Width(), bm->Height(), 8, bm->GetBytesPerLine(), colorSpace, alpha);
CGColorSpaceRelease(colorSpace);
CGRect cgrect = CGRectMake(0,0,cx,cy);
PlotIconRefInContext(ctx, &cgrect, kAlignAbsoluteCenter, kTransformNone, NULL, kPlotIconRefNormalFlags, iconin);
CGContextFlush(ctx);
CGContextRelease(ctx);
bm->ReleasePointer();
return bm;
}
}
return NULL;
}
void CanvasRenderingContext2D::applyStrokePattern()
{
GraphicsContext* c = drawingContext();
if (!c)
return;
#if PLATFORM(CG)
// Check for case where the pattern is already set.
CGAffineTransform m = CGContextGetCTM(c->platformContext());
if (state().m_appliedStrokePattern
&& CGAffineTransformEqualToTransform(m, state().m_strokeStylePatternTransform))
return;
CanvasPattern* pattern = state().m_strokeStyle->pattern();
if (!pattern)
return;
CGPatternRef platformPattern = pattern->createPattern(m);
if (!platformPattern)
return;
CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(0);
CGContextSetStrokeColorSpace(c->platformContext(), patternSpace);
CGColorSpaceRelease(patternSpace);
const CGFloat patternAlpha = 1;
CGContextSetStrokePattern(c->platformContext(), platformPattern, &patternAlpha);
CGPatternRelease(platformPattern);
state().m_strokeStylePatternTransform = m;
#elif PLATFORM(QT)
fprintf(stderr, "FIXME: CanvasRenderingContext2D::applyStrokePattern\n");
#elif PLATFORM(CAIRO)
notImplemented();
#endif
state().m_appliedStrokePattern = true;
}
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;
}
/* Create a CGImageRef from osg::Image.
* Code adapted from
* http://developer.apple.com/samplecode/OpenGLScreenSnapshot/listing2.html
*/
CGImageRef CreateCGImageFromOSGData(const osg::Image& osg_image)
{
size_t image_width = osg_image.s();
size_t image_height = osg_image.t();
/* From Apple's header for CGBitmapContextCreate()
* Each row of the bitmap consists of `bytesPerRow' bytes, which must be at
* least `(width * bitsPerComponent * number of components + 7)/8' bytes.
*/
size_t target_bytes_per_row;
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info;
/* From what I can figure out so far...
* We need to create a CGContext connected to the data we want to save
* and then call CGBitmapContextCreateImage() on that context to get
* a CGImageRef.
* However, OS X only allows 4-component image formats (e.g. RGBA) and not
* just RGB for the RGB-based CGContext. So for a 24-bit image coming in,
* we need to expand the data to 32-bit.
* The easiest and fastest way to do that is through the vImage framework
* which is part of the Accelerate framework.
* Also, the osg::Image data coming in is inverted from what we want, so
* we need to invert the image too. Since the osg::Image is const,
* we don't want to touch the data, so again we turn to the vImage framework
* and invert the data.
*/
vImage_Buffer vimage_buffer_in =
{
(void*)osg_image.data(), // need to override const, but we don't modify the data so it's safe
image_height,
image_width,
osg_image.getRowSizeInBytes()
};
void* out_image_data;
vImage_Buffer vimage_buffer_out =
{
NULL, // will fill-in in switch
image_height,
image_width,
0 // will fill-in in switch
};
vImage_Error vimage_error_flag;
// FIXME: Do I want to use format, type, or internalFormat?
switch(osg_image.getPixelFormat())
{
case GL_LUMINANCE:
{
bitmap_info = kCGImageAlphaNone;
target_bytes_per_row = (image_width * 8 + 7)/8;
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericGray);
color_space = CGColorSpaceCreateDeviceGray();
if(NULL == color_space)
{
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Now invert the image
vimage_error_flag = vImageVerticalReflect_Planar8(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData for GL_LUMINANCE, vImageVerticalReflect_Planar8 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_ALPHA:
{
bitmap_info = kCGImageAlphaOnly;
target_bytes_per_row = (image_width * 8 + 7)/8;
// According to:
// http://developer.apple.com/qa/qa2001/qa1037.html
// colorSpace=NULL is for alpha only
color_space = NULL;
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Now invert the image
vimage_error_flag = vImageVerticalReflect_Planar8(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData for GL_ALPHA, vImageVerticalReflect_Planar8 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
return NULL;
}
break;
}
/*
case GL_LUMINANCE_ALPHA:
{
// I don't know if we can support this.
// The qa1037 doesn't show both gray+alpha.
break;
}
*/
case GL_RGB:
{
bitmap_info = kCGImageAlphaNoneSkipFirst;
target_bytes_per_row = (image_width * 8 * 4 + 7)/8;
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
// Use vImage to get an RGB buffer into ARGB.
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
vimage_error_flag = vImageConvert_RGB888toARGB8888(
&vimage_buffer_in,
NULL, // we don't have a buffer containing alpha values
255, // The alpha value we want given to all pixels since we don't have a buffer
&vimage_buffer_out,
0, // premultiply?
kvImageNoFlags // Only responds to kvImageDoNotTile, but I think we want tiling/threading
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageConvert_RGB888toARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
// Now invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_out,
&vimage_buffer_out, // reuse the same buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_RGBA:
{
bitmap_info = kCGImageAlphaPremultipliedLast;
target_bytes_per_row = osg_image.getRowSizeInBytes();
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_BGRA:
{
if(GL_UNSIGNED_INT_8_8_8_8_REV == osg_image.getDataType())
{
#if __BIG_ENDIAN__
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Big; /* XRGB Big Endian */
#else
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little; /* XRGB Little Endian */
#endif
}
else
{
// FIXME: Don't know how to handle this case
bitmap_info = kCGImageAlphaPremultipliedLast;
}
target_bytes_per_row = osg_image.getRowSizeInBytes();
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
// FIXME: Handle other cases.
// Use vImagePermuteChannels_ARGB8888 to swizzle bytes
default:
{
OSG_WARN << "In CreateCGImageFromOSGData: Sorry support for this format is not implemented." << std::endl;
return NULL;
break;
}
}
CGContextRef bitmap_context = CGBitmapContextCreate(
vimage_buffer_out.data,
vimage_buffer_out.width,
vimage_buffer_out.height,
8,
vimage_buffer_out.rowBytes,
color_space,
bitmap_info
);
/* Done with color space */
CGColorSpaceRelease(color_space);
if(NULL == bitmap_context)
{
free(out_image_data);
return NULL;
}
/* Make an image out of our bitmap; does a cheap vm_copy of the bitmap */
CGImageRef image_ref = CGBitmapContextCreateImage(bitmap_context);
/* Done with data */
free(out_image_data);
/* Done with bitmap_context */
CGContextRelease(bitmap_context);
return image_ref;
}
bool sdl_osd_interface::font_get_bitmap(osd_font font, unicode_char chnum, bitmap_argb32 &bitmap, INT32 &width, INT32 &xoffs, INT32 &yoffs)
{
UniChar uni_char;
CGGlyph glyph;
CTFontRef ct_font = (CTFontRef)font;
const CFIndex count = 1;
CGRect bounding_rect, success_rect;
CGContextRef context_ref;
if( chnum == ' ' )
{
uni_char = 'n';
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
}
else
{
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
}
if( CGRectEqualToRect( success_rect, CGRectNull ) == false )
{
size_t bitmap_width;
size_t bitmap_height;
bitmap_width = ceilf(bounding_rect.size.width * EXTRA_WIDTH);
bitmap_width = bitmap_width == 0 ? 1 : bitmap_width;
bitmap_height = ceilf( (CTFontGetAscent(ct_font) + CTFontGetDescent(ct_font) + CTFontGetLeading(ct_font)) * EXTRA_HEIGHT);
xoffs = yoffs = 0;
width = bitmap_width;
size_t bits_per_component;
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
color_space = CGColorSpaceCreateDeviceRGB();
bits_per_component = 8;
bitmap.allocate(bitmap_width, bitmap_height);
context_ref = CGBitmapContextCreate( bitmap.raw_pixptr(0), bitmap_width, bitmap_height, bits_per_component, bitmap.rowpixels()*4, color_space, bitmap_info );
if( context_ref != NULL )
{
CGFontRef font_ref;
font_ref = CTFontCopyGraphicsFont( ct_font, NULL );
CGContextSetTextPosition(context_ref, -bounding_rect.origin.x*EXTRA_WIDTH, CTFontGetDescent(ct_font)+CTFontGetLeading(ct_font) );
CGContextSetRGBFillColor(context_ref, 1.0, 1.0, 1.0, 1.0);
CGContextSetFont( context_ref, font_ref );
CGContextSetFontSize( context_ref, POINT_SIZE );
CGContextShowGlyphs( context_ref, &glyph, count );
CGFontRelease( font_ref );
CGContextRelease( context_ref );
}
CGColorSpaceRelease( color_space );
}
return bitmap.valid();
}
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;
}
CGImageRef
CreateCGImage(CGDataProviderReleaseDataCallback aCallback,
void *aInfo,
const void *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat)
{
//XXX: we should avoid creating this colorspace everytime
CGColorSpaceRef colorSpace = nullptr;
CGBitmapInfo bitinfo = 0;
int bitsPerComponent = 0;
int bitsPerPixel = 0;
switch (aFormat) {
case SurfaceFormat::B8G8R8A8:
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
case SurfaceFormat::B8G8R8X8:
colorSpace = CGColorSpaceCreateDeviceRGB();
bitinfo = kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host;
bitsPerComponent = 8;
bitsPerPixel = 32;
break;
case SurfaceFormat::A8:
// XXX: why don't we set a colorspace here?
bitsPerComponent = 8;
bitsPerPixel = 8;
break;
default:
MOZ_CRASH();
}
size_t bufLen = BufferSizeFromStrideAndHeight(aStride, aSize.height);
if (bufLen == 0) {
return nullptr;
}
CGDataProviderRef dataProvider = CGDataProviderCreateWithData(aInfo,
aData,
bufLen,
aCallback);
CGImageRef image;
if (aFormat == SurfaceFormat::A8) {
CGFloat decode[] = {1.0, 0.0};
image = CGImageMaskCreate (aSize.width, aSize.height,
bitsPerComponent,
bitsPerPixel,
aStride,
dataProvider,
decode,
true);
} else {
image = CGImageCreate (aSize.width, aSize.height,
bitsPerComponent,
bitsPerPixel,
aStride,
colorSpace,
bitinfo,
dataProvider,
nullptr,
true,
kCGRenderingIntentDefault);
}
CGDataProviderRelease(dataProvider);
CGColorSpaceRelease(colorSpace);
return 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;
}
bool GCPVideoRenderer::OnWindowRefresh(FB::RefreshEvent* pEvt)
{
FB::CoreGraphicsDraw* pCgDrawEvt(static_cast<FB::CoreGraphicsDraw*>(pEvt));
CGContextRef pContext = pCgDrawEvt->context;
boost::mutex::scoped_lock winLock(m_winMutex);
const int stride = m_width*4;
const int frameBufferSize = m_height*stride;
static SInt32 osMajorVersion = 0;
static SInt32 osMinorVersion = 0;
static CGInterpolationQuality interpolationMode = kCGInterpolationNone;
if(0 == osMajorVersion || 0 == osMinorVersion)
{
if(noErr != Gestalt(gestaltSystemVersionMajor, &osMajorVersion))
{
osMajorVersion = 10;
}
if(noErr != Gestalt(gestaltSystemVersionMinor, &osMinorVersion))
{
osMinorVersion = 6;
}
if(10 <= osMajorVersion && 7 <= osMinorVersion)
{
interpolationMode = kCGInterpolationDefault;
}
}
if(NULL == pContext || NULL == m_pFrameBuffer.get())
{
return false;
}
int winWidth = pCgDrawEvt->bounds.right - pCgDrawEvt->bounds.left;
int winHeight = pCgDrawEvt->bounds.bottom - pCgDrawEvt->bounds.top;
if(winWidth<=1 || winHeight<=1)
return false;
CGContextSaveGState(pContext);
CGContextSetShouldAntialias(pContext, true);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGImageRef cgImage = CGImageCreate(m_width, m_height, 8, 32, stride, colorSpace,
kCGImageAlphaNoneSkipLast,
CGDataProviderCreateWithData(NULL,
m_pFrameBuffer.get(),
frameBufferSize,
NULL),
NULL, false, kCGRenderingIntentDefault);
if(NULL == cgImage)
{
CGColorSpaceRelease(colorSpace);
CGContextRestoreGState(pContext);
return false;
}
CGContextSetInterpolationQuality(pContext, interpolationMode);
CGContextTranslateCTM(pContext, 0, winHeight);
CGContextScaleCTM(pContext, 1, -1);
CGContextDrawImage(pContext, CGRectMake(0, 0, winWidth, winHeight), cgImage);
CGImageRelease(cgImage);
CGColorSpaceRelease(colorSpace);
CGContextRestoreGState(pContext);
return true;
}
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);
}
void CreateIconImages (void)
{
CGDataProviderRef prov;
CGImageRef image;
CFURLRef url;
image = NULL;
memset(macIconImage, 0, sizeof(macIconImage));
#ifdef MAC_PANTHER_SUPPORT
if (systemVersion < 0x1040)
memset(macIconRef, 0, sizeof(macIconRef));
#endif
url = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("icons"), CFSTR("png"), NULL);
if (url)
{
prov = CGDataProviderCreateWithURL(url);
if (prov)
{
image = CGImageCreateWithPNGDataProvider(prov, NULL, true, kCGRenderingIntentDefault);
CGDataProviderRelease(prov);
}
CFRelease(url);
}
if (image)
{
int x, y, v = 0, n = 0;
macPadIconIndex = n;
for (y = 0; y < 8; y++)
{
for (x = 0; x < 12; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
}
macLegendIconIndex = n;
for (x = 0; x < 2; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
macMusicBoxIconIndex = n;
for (x = 0; x < 3; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
macFunctionIconIndex = n;
for (x = 0; x < 17; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
CGImageRelease(image);
#ifdef MAC_PANTHER_SUPPORT
if (systemVersion < 0x1040)
{
CGColorSpaceRef color;
CGContextRef ctx;
CGRect rct;
static UInt32 data[2][kIconSize * kIconSize];
rct = CGRectMake(0, 0, kIconSize, kIconSize);
color = CGColorSpaceCreateDeviceRGB();
if (color)
{
for (int i = 0; i < 2; i++)
{
ctx = CGBitmapContextCreate(data[i], kIconSize, kIconSize, 8, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst);
if (ctx)
{
PlotIconRefInContext(ctx, &rct, kAlignNone, kTransformNone, NULL, kPlotIconRefNormalFlags, macIconRef[macLegendIconIndex + i]);
CGContextRelease(ctx);
prov = CGDataProviderCreateWithData(NULL, data[i], kIconSize * kIconSize * 4, NULL);
if (prov)
{
macIconImage[macLegendIconIndex + i] = CGImageCreate(kIconSize, kIconSize, 8, 32, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst, prov, NULL, 1, kCGRenderingIntentDefault);
CGDataProviderRelease(prov);
}
}
}
CGColorSpaceRelease(color);
}
}
#endif
}
}
void VPictureData_MacPicture::_CreateTransparent(VPictureDrawSettings* inSet)const
{
CGImageRef result = 0;
if (fTrans)
return;
VPictureDrawSettings set(inSet);
if (GetWidth() && GetHeight())
{
if (fMetaFile)
{
CGContextRef context = NULL;
CGColorSpaceRef colorSpace;
void * bitmapData;
int bitmapByteCount;
int bitmapBytesPerRow;
sLONG width, height;
CGRect cgr = QDPictGetBounds(fMetaFile);
width = cgr.size.width;
height = cgr.size.height;
bitmapBytesPerRow = (4 * width + 15) & ~15;
bitmapByteCount = (bitmapBytesPerRow * height);
bitmapData = malloc(bitmapByteCount);
if (bitmapData)
{
colorSpace = CGColorSpaceCreateDeviceRGB();//CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
memset(bitmapData, 0, bitmapByteCount);
context = CGBitmapContextCreate(bitmapData,
width,
height,
8, // bits per component
bitmapBytesPerRow,
colorSpace,
kCGImageAlphaNoneSkipLast);
if (context)
{
CGRect vr;
vr.origin.x = 0;
vr.origin.y = 0;
vr.size.width = width;
vr.size.height = height;
VRect pictrect(0, 0, width, height);
set.SetScaleMode(PM_SCALE_TO_FIT);
set.SetYAxisSwap(height, true);
set.SetPictureMatrix(VAffineTransform());
CGContextSaveGState(context);
CGContextSetRGBFillColor(context, 1, 1, 1, 1);
CGContextFillRect(context, vr);
xDraw(fMetaFile, context, pictrect, &set);
CGContextRestoreGState(context);
CGDataProviderRef dataprov = xV4DPicture_MemoryDataProvider::CGDataProviderCreate((char*) bitmapData, bitmapByteCount, true);
result = CGImageCreate(width, height, 8, 32, bitmapBytesPerRow, colorSpace, kCGImageAlphaNoneSkipLast, dataprov, 0, 0, kCGRenderingIntentDefault);
CGContextRelease(context);
CGDataProviderRelease(dataprov);
if (set.GetDrawingMode() == 1)
{
const VColor& col = set.GetTransparentColor();
CGFloat MaskingColors[6];
MaskingColors[0] = col.GetRed();
MaskingColors[1] = col.GetGreen();
MaskingColors[2] = col.GetBlue();
MaskingColors[3] = col.GetRed();
MaskingColors[4] = col.GetGreen();
MaskingColors[5] = col.GetBlue();
CGImageRef trans = CGImageCreateWithMaskingColors(result, MaskingColors);
if (trans)
{
CFRelease(result);
fTrans = trans;
}
}
}
CGColorSpaceRelease(colorSpace);
}
free(bitmapData);
}
}
}
bool ImageIODecoder::readData( Mat& img )
{
uchar* data = img.data;
int step = img.step;
bool color = img.channels() > 1;
int bpp; // Bytes per pixel
int bit_depth = 8;
// Get Height, Width, and color information
if( !readHeader() )
return false;
CGContextRef context = NULL; // The bitmap context
CGColorSpaceRef colorSpace = NULL;
uchar* bitmap = NULL;
CGImageAlphaInfo alphaInfo;
// CoreGraphics will take care of converting to grayscale and back as long as the
// appropriate colorspace is set
if( color == CV_LOAD_IMAGE_GRAYSCALE )
{
colorSpace = CGColorSpaceCreateDeviceGray();
bpp = 1;
alphaInfo = kCGImageAlphaNone;
}
else if( color == CV_LOAD_IMAGE_COLOR )
{
colorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericRGBLinear );
bpp = 4; /* CG only has 8 and 32 bit color spaces, so we waste a byte */
alphaInfo = kCGImageAlphaNoneSkipLast;
}
if( !colorSpace )
return false;
bitmap = (uchar*)malloc( bpp * m_height * m_width );
if( !bitmap )
{
CGColorSpaceRelease( colorSpace );
return false;
}
context = CGBitmapContextCreate( (void *)bitmap,
m_width, /* width */
m_height, /* height */
bit_depth, /* bit depth */
bpp * m_width, /* bytes per row */
colorSpace, /* color space */
alphaInfo);
CGColorSpaceRelease( colorSpace );
if( !context )
{
free( bitmap );
return false;
}
// Copy the image data into the bitmap region
CGRect rect = {{0,0},{m_width,m_height}};
CGContextDrawImage( context, rect, imageRef );
uchar* bitdata = (uchar*)CGBitmapContextGetData( context );
if( !bitdata )
{
free( bitmap);
CGContextRelease( context );
return false;
}
// Move the bitmap (in RGB) into data (in BGR)
int bitmapIndex = 0;
if( color == CV_LOAD_IMAGE_COLOR )
{
uchar * base = data;
for (int y = 0; y < m_height; y++)
{
uchar * line = base + y * step;
for (int x = 0; x < m_width; x++)
{
// Blue channel
line[0] = bitdata[bitmapIndex + 2];
// Green channel
line[1] = bitdata[bitmapIndex + 1];
// Red channel
line[2] = bitdata[bitmapIndex + 0];
line += 3;
bitmapIndex += bpp;
}
}
}
else if( color == CV_LOAD_IMAGE_GRAYSCALE )
{
for (int y = 0; y < m_height; y++)
memcpy (data + y * step, bitmap + y * m_width, m_width);
}
free( bitmap );
CGContextRelease( context );
return true;
}
static void quartzgen_begin_page(GVJ_t *job)
{
CGRect bounds = CGRectMake(0.0, 0.0, job->width, job->height);
if (!job->context) {
switch (job->device.id) {
case FORMAT_PDF:
{
/* create the auxiliary info for PDF content, author and title */
CFStringRef auxiliaryKeys[] = {
kCGPDFContextCreator,
kCGPDFContextTitle
};
CFStringRef auxiliaryValues[] = {
CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%s %s"), job->common->info[0], job->common->info[1]),
job->obj->type == ROOTGRAPH_OBJTYPE ?
CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)job->obj->u.g->name, strlen(job->obj->u.g->name), kCFStringEncodingUTF8, false, kCFAllocatorNull)
: CFSTR("")
};
CFDictionaryRef auxiliaryInfo = CFDictionaryCreate(
kCFAllocatorDefault,
(const void **)&auxiliaryKeys,
(const void **)&auxiliaryValues,
sizeof(auxiliaryValues)/sizeof(auxiliaryValues[0]),
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks
);
/* create a PDF for drawing into */
CGDataConsumerRef data_consumer = CGDataConsumerCreate(job, &device_data_consumer_callbacks);
job->context = CGPDFContextCreate(data_consumer, &bounds, auxiliaryInfo);
/* clean up */
CGDataConsumerRelease(data_consumer);
CFRelease(auxiliaryInfo);
int i;
for (i = 0; i < sizeof(auxiliaryValues)/sizeof(auxiliaryValues[0]); ++i)
CFRelease(auxiliaryValues[i]);
}
break;
default: /* bitmap formats */
{
size_t bytes_per_row = (job->width * BYTES_PER_PIXEL + BYTE_ALIGN) & ~BYTE_ALIGN;
void* buffer = NULL;
#if __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 20000
/* iPhoneOS has no swap files for memory, so if we're short of memory we need to make our own temp scratch file to back it */
size_t buffer_size = job->height * bytes_per_row;
mach_msg_type_number_t vm_info_size = HOST_VM_INFO_COUNT;
vm_statistics_data_t vm_info;
if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_info, &vm_info_size) != KERN_SUCCESS
|| buffer_size * 2 > vm_info.free_count * vm_page_size)
{
FILE* temp_file = tmpfile();
if (temp_file)
{
int temp_file_descriptor = fileno(temp_file);
if (temp_file_descriptor >= 0 && ftruncate(temp_file_descriptor, buffer_size) == 0)
{
buffer = mmap(
NULL,
buffer_size,
PROT_READ | PROT_WRITE,
MAP_FILE | MAP_SHARED,
temp_file_descriptor,
0);
if (buffer == (void*)-1)
buffer = NULL;
}
fclose(temp_file);
}
}
if (!buffer)
buffer = mmap(
NULL,
buffer_size,
PROT_READ | PROT_WRITE,
MAP_ANON| MAP_SHARED,
-1,
0);
#endif
/* create a true color bitmap for drawing into */
CGColorSpaceRef color_space = CGColorSpaceCreateDeviceRGB();
job->context = CGBitmapContextCreate(
buffer, /* data: MacOSX lets system allocate, iPhoneOS use manual memory mapping */
job->width, /* width in pixels */
job->height, /* height in pixels */
BITS_PER_COMPONENT, /* bits per component */
bytes_per_row, /* bytes per row: align to 16 byte boundary */
color_space, /* color space: device RGB */
kCGImageAlphaPremultipliedFirst /* bitmap info: premul ARGB has best support in OS X */
);
job->imagedata = CGBitmapContextGetData((CGContextRef)job->context);
/* clean up */
CGColorSpaceRelease(color_space);
}
break;
}
}
/* start the page (if this is a paged context) and graphics state */
CGContextRef context = (CGContextRef)job->context;
CGContextBeginPage(context, &bounds);
CGContextSaveGState(context);
CGContextSetMiterLimit(context, 1.0);
CGContextSetLineJoin(context, kCGLineJoinRound);
/* set up the context transformation */
CGContextScaleCTM(context, job->scale.x, job->scale.y);
CGContextRotateCTM(context, -job->rotation * M_PI / 180.0);
CGContextTranslateCTM(context, job->translation.x, job->translation.y);
}
bool ImageIOEncoder::write( const Mat& img, const vector<int>& params )
{
int width = img.cols, height = img.rows;
int _channels = img.channels();
const uchar* data = img.data;
int step = img.step;
// Determine the appropriate UTI based on the filename extension
CFStringRef imageUTI = FilenameToUTI( m_filename.c_str() );
// Determine the Bytes Per Pixel
int bpp = (_channels == 1) ? 1 : 4;
// Write the data into a bitmap context
CGContextRef context;
CGColorSpaceRef colorSpace;
uchar* bitmapData = NULL;
if( bpp == 1 )
colorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericGray );
else if( bpp == 4 )
colorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericRGBLinear );
if( !colorSpace )
return false;
bitmapData = (uchar*)malloc( bpp * height * width );
if( !bitmapData )
{
CGColorSpaceRelease( colorSpace );
return false;
}
context = CGBitmapContextCreate( bitmapData,
width,
height,
8,
bpp * width,
colorSpace,
(bpp == 1) ? kCGImageAlphaNone :
kCGImageAlphaNoneSkipLast );
CGColorSpaceRelease( colorSpace );
if( !context )
{
free( bitmapData );
return false;
}
// Copy pixel information from data into bitmapData
if (bpp == 4)
{
int bitmapIndex = 0;
const uchar * base = data;
for (int y = 0; y < height; y++)
{
const uchar * line = base + y * step;
for (int x = 0; x < width; x++)
{
// Blue channel
bitmapData[bitmapIndex + 2] = line[0];
// Green channel
bitmapData[bitmapIndex + 1] = line[1];
// Red channel
bitmapData[bitmapIndex + 0] = line[2];
line += 3;
bitmapIndex += bpp;
}
}
}
else if (bpp == 1)
{
for (int y = 0; y < height; y++)
memcpy (bitmapData + y * width, data + y * step, width);
}
// Turn the bitmap context into an imageRef
CGImageRef imageRef = CGBitmapContextCreateImage( context );
CGContextRelease( context );
if( !imageRef )
{
free( bitmapData );
return false;
}
// Write the imageRef to a file based on the UTI
CFURLRef imageURLRef = CFURLCreateFromFileSystemRepresentation( NULL,
(const UInt8*)m_filename.c_str(), m_filename.size(), false );
if( !imageURLRef )
{
CGImageRelease( imageRef );
free( bitmapData );
return false;
}
CGImageDestinationRef destRef = CGImageDestinationCreateWithURL( imageURLRef,
imageUTI,
1,
NULL);
CFRelease( imageURLRef );
if( !destRef )
{
CGImageRelease( imageRef );
free( bitmapData );
fprintf(stderr, "!destRef\n");
return false;
}
CGImageDestinationAddImage(destRef, imageRef, NULL);
if( !CGImageDestinationFinalize(destRef) )
{
fprintf(stderr, "Finalize failed\n");
return false;
}
CFRelease( destRef );
CGImageRelease( imageRef );
free( bitmapData );
return true;
}