static void paintRepaintRectOverlay(CGContextRef context, WKImageRef image, WKArrayRef repaintRects)
{
WKSize imageSize = WKImageGetSize(image);
CGContextSaveGState(context);
// Using a transparency layer is easier than futzing with clipping.
CGContextBeginTransparencyLayer(context, 0);
// Flip the context.
CGContextScaleCTM(context, 1, -1);
CGContextTranslateCTM(context, 0, -imageSize.height);
CGContextSetRGBFillColor(context, 0, 0, 0, static_cast<CGFloat>(0.66));
CGContextFillRect(context, CGRectMake(0, 0, imageSize.width, imageSize.height));
// Clear the repaint rects.
size_t count = WKArrayGetSize(repaintRects);
for (size_t i = 0; i < count; ++i) {
WKRect rect = WKRectGetValue(static_cast<WKRectRef>(WKArrayGetItemAtIndex(repaintRects, i)));
CGRect cgRect = CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
CGContextClearRect(context, cgRect);
}
CGContextEndTransparencyLayer(context);
CGContextRestoreGState(context);
}
void GiCanvasIos::clearWindow()
{
if (gs() && m_draw->getContext()) {
CGContextClearRect(m_draw->getContext(),
CGRectMake(0, 0, m_draw->width(), m_draw->height()));
}
}
bool GiCanvasIosImpl::createBufferBitmap(float width, float height, float scale)
{
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);
CGContextClearRect(_buffctx, CGRectMake(0, 0, width, height));
// 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 && _context) {
CGContextTranslateCTM(_buffctx, 0, height);
CGContextScaleCTM(_buffctx, scale, - scale);
//}
//else if (_buffctx) {
// CGContextScaleCTM(_buffctx, scale, scale);
//}
return !!_buffctx;
}
FX_BOOL CFX_QuartzDeviceDriver::GetDIBits(CFX_DIBitmap* bitmap,
FX_INT32 left,
FX_INT32 top,
void* pIccTransform,
FX_BOOL bDEdge)
{
if (FXDC_PRINTER == _deviceClass) {
return FALSE;
}
if (bitmap->GetBPP() < 32) {
return FALSE;
}
if (!(_renderCaps | FXRC_GET_BITS)) {
return FALSE;
}
CGPoint pt = CGPointMake(left, top);
pt = CGPointApplyAffineTransform(pt, _foxitDevice2User);
CGAffineTransform ctm = CGContextGetCTM(_context);
pt.x *= FXSYS_fabs(ctm.a);
pt.y *= FXSYS_fabs(ctm.d);
CGImageRef image = CGBitmapContextCreateImage(_context);
if (NULL == image) {
return FALSE;
}
CGFloat width = (CGFloat) bitmap->GetWidth();
CGFloat height = (CGFloat) bitmap->GetHeight();
if (width + pt.x > _width) {
width -= (width + pt.x - _width);
}
if (height + pt.y > _height) {
height -= (height + pt.y - _height);
}
CGImageRef subImage = CGImageCreateWithImageInRect(image,
CGRectMake(pt.x,
pt.y,
width,
height));
CGContextRef context = createContextWithBitmap(bitmap);
CGRect rect = CGContextGetClipBoundingBox(context);
CGContextClearRect(context, rect);
CGContextDrawImage(context, rect, subImage);
CGContextRelease(context);
CGImageRelease(subImage);
CGImageRelease(image);
if (bitmap->HasAlpha()) {
for (int row = 0; row < bitmap->GetHeight(); row ++) {
FX_LPBYTE pScanline = (FX_LPBYTE)bitmap->GetScanline(row);
for (int col = 0; col < bitmap->GetWidth(); col ++) {
if (pScanline[3] > 0) {
pScanline[0] = (pScanline[0] * 255.f / pScanline[3] + .5f);
pScanline[1] = (pScanline[1] * 255.f / pScanline[3] + .5f);
pScanline[2] = (pScanline[2] * 255.f / pScanline[3] + .5f);
}
pScanline += 4;
}
}
}
return TRUE;
}
CGContextRef createRGBBitmapContext(size_t width, size_t height,
Boolean wantDisplayColorSpace,
Boolean needsTransparentBitmap)
{
/* This routine allocates data for a pixel array that contains width*height
pixels where each pixel is 4 bytes. The format is 8-bit ARGB or XRGB, depending on
whether needsTransparentBitmap is true. In order to get the recommended
pixel alignment, the bytesPerRow is rounded up to the nearest multiple
of BEST_BYTE_ALIGNMENT bytes.
*/
CGContextRef context;
size_t bytesPerRow;
unsigned char *rasterData;
// Minimum bytes per row is 4 bytes per sample * number of samples.
bytesPerRow = width*4;
// Round to nearest multiple of BEST_BYTE_ALIGNMENT.
bytesPerRow = COMPUTE_BEST_BYTES_PER_ROW(bytesPerRow);
// Allocate the data for the raster. The total amount of data is bytesPerRow
// times the number of rows. The function 'calloc' is used so that the
// memory is initialized to 0.
rasterData = calloc(1, bytesPerRow * height);
if(rasterData == NULL){
fprintf(stderr, "Couldn't allocate the needed amount of memory!\n");
return NULL;
}
// The wantDisplayColorSpace argument passed to the function determines
// whether or not to use the display color space or the generic calibrated
// RGB color space. The needsTransparentBitmap argument determines whether
// create a context that records alpha or not.
context = CGBitmapContextCreate(rasterData, width, height, 8, bytesPerRow,
(wantDisplayColorSpace ? getTheDisplayColorSpace(): getTheCalibratedRGBColorSpace()) ,
(needsTransparentBitmap ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst));
if(context == NULL){
// If the context couldn't be created, release the raster memory.
free(rasterData);
fprintf(stderr, "Couldn't create the context!\n");
return NULL;
}
// Either clear the rect or paint with opaque white, depending on
// the needs of the caller.
if(needsTransparentBitmap){
// Clear the context bits so they are transparent.
CGContextClearRect(context, CGRectMake(0, 0, width, height));
}else{
// Since the drawing destination is opaque, first paint
// the context bits to white.
CGContextSaveGState(context);
CGContextSetFillColorWithColor(context, getRGBOpaqueWhiteColor());
CGContextFillRect(context, CGRectMake(0, 0, width, height));
CGContextRestoreGState(context);
}
return context;
}
DRAW_TEST_F(CGContextFlush, FillFlush, WhiteBackgroundTest<>) {
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
_CGContextPushBeginDraw(context);
CGContextSetRGBFillColor(context, 1, 0, 0, 1);
CGContextFillRect(context, bounds);
// Flush the red fill rect
CGContextFlush(context);
CGContextSetRGBFillColor(context, 0, 0, 1, 1);
CGContextFillRect(context, CGRectMake(0, 0, 300, 300));
// We should still have red & blue rectangle should not show up.
unsigned char* dataPtr = static_cast<unsigned char*>(CGBitmapContextGetData(context));
ASSERT_NE(dataPtr, nullptr);
// Validate only the red fill rect is executed.
EXPECT_EQ(dataPtr[0], 0x00);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0xff);
EXPECT_EQ(dataPtr[3], 0xff);
CGContextFlush(context);
// We should now see the blue fill rect
EXPECT_EQ(dataPtr[0], 0xff);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0x00);
EXPECT_EQ(dataPtr[3], 0xff);
// Add some extra drawings
CGContextClearRect(context, CGRectMake(100, 100, 200, 300));
CGPoint center = _CGRectGetCenter(bounds);
CGMutablePathRef concentricCirclesPath = CGPathCreateMutable();
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 50, 50 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 100, 100 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 150, 150 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 200, 200 }, center));
CGContextSetRGBFillColor(context, 1.0, 0.0, 0.0, 0.5);
CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0);
CGContextAddPath(context, concentricCirclesPath);
CGContextDrawPath(context, kCGPathFillStroke);
CGPathRelease(concentricCirclesPath);
_CGContextPopEndDraw(context);
}
DRAW_TEST_F(CGContextFlush, FillFlushMultipleDrawingCounters, WhiteBackgroundTest<>) {
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
static int sDrawCount = 5;
for (int i = 0; i < sDrawCount; ++i) {
_CGContextPushBeginDraw(context);
}
CGContextSetRGBFillColor(context, 1, 0, 0, 1);
CGContextFillRect(context, bounds);
for (int i = 0; i < sDrawCount; ++i) {
// Multiple flushes should work.
CGContextFlush(context);
}
// Add some extra drawings
CGContextClearRect(context, bounds);
// We should still have red & clear should not of been executed.
unsigned char* dataPtr = static_cast<unsigned char*>(CGBitmapContextGetData(context));
ASSERT_NE(dataPtr, nullptr);
// Validate only the red fill rect is executed.
EXPECT_EQ(dataPtr[0], 0x00);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0xff);
EXPECT_EQ(dataPtr[3], 0xff);
for (int i = 0; i < 3; ++i) {
// Multiple flushes should work.
CGContextFlush(context);
}
// validate clear
EXPECT_EQ(dataPtr[0], 0x00);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0x00);
EXPECT_EQ(dataPtr[3], 0x00);
CGContextSetRGBStrokeColor(context, 0, 1, 0, 1);
CGContextStrokeRect(context, CGRectMake(100, 100, 200, 300));
// Still should be clear.
EXPECT_EQ(dataPtr[0], 0x00);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0x00);
EXPECT_EQ(dataPtr[3], 0x00);
for (int i = 0; i < sDrawCount; ++i) {
_CGContextPopEndDraw(context);
}
}
void InitButton(unsigned w, unsigned h)
{
CGColorSpaceRef colorspace;
CGContextRef gc;
unsigned char *data;
float cx, cy;
data = (unsigned char *)malloc(w * h * 4);
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
gc = CGBitmapContextCreate(data, w, h, 8, w * 4, colorspace,
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
cx = CENTERX * w;
cy = CENTERY * h;
// background
CGContextTranslateCTM(gc, 0.0, h);
CGContextScaleCTM(gc, 1.0, -1.0);
CGContextClearRect(gc, CGRectMake(0, 0, w, h));
CGContextSetRGBFillColor(gc, 0.0, 0.0, 0.0, 0.8);
AddRoundedRectToPath(gc, CGRectMake(w*0.05, h*0.5 - 32, w*0.9, 64), 32, 32);
CGContextFillPath(gc);
CGGradientRef gradient;
size_t num_locations = 2;
CGFloat locations[2] = { 0.0, 1.0 };
CGFloat components[8] = { 1.0, 1.0, 1.0, 0.5, // Start color
0.0, 0.0, 0.0, 0.0
}; // End color
gradient = CGGradientCreateWithColorComponents (colorspace, components,
locations, num_locations);
// top bevel
CGContextSaveGState(gc);
AddRoundedRectToPath(gc, CGRectMake(w*0.05, h*0.5 - 32, w*0.9, 64), 32, 32);
CGContextEOClip(gc);
CGContextDrawLinearGradient (gc, gradient,
CGPointMake(cx, cy + 32),
CGPointMake(cx, cy), 0);
CGContextDrawLinearGradient (gc, gradient,
CGPointMake(cx, cy - 32),
CGPointMake(cx, cy - 16), 0);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, w, h, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, data);
CGContextRelease(gc);
CGColorSpaceRelease(colorspace);
free(data);
}
//-----------------------------------------------------------------------------
void CGDrawContext::clearRect (const CRect& rect)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGRect cgRect;
if (currentState.drawMode.integralMode ())
cgRect = CGRectMake (round (rect.left), round (rect.top), round (rect.width ()), round (rect.height ()));
else
cgRect = CGRectMake (rect.left, rect.top, rect.width (), rect.height ());
CGContextClearRect (context, cgRect);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::clearRect (const CRect& rect)
{
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGRect cgRect = CGRectFromCRect (rect);
if (getDrawMode ().integralMode ())
{
cgRect = pixelAlligned (cgRect);
}
CGContextClearRect (context, cgRect);
releaseCGContext (context);
}
}
void PoofItGood( Point centerPt )
{
CGRect box;
WindowRef window;
Rect bounds;
CGContextRef context;
CGImageRef image;
float windowWidth;
float windowHeight;
int i;
image = GetThePoofImage();
if ( image == NULL ) goto Bail;
windowWidth = CGImageGetWidth( image ) / NUMBER_OF_POOF_ANIM_FRAMES;
windowHeight = CGImageGetHeight( image );
// Start our animation bounds at the first item in the animation strip
box.origin.x = box.origin.y = 0;
box.size.width = CGImageGetWidth( image );
box.size.height = CGImageGetHeight( image );
bounds.top = centerPt.v - (SInt16)(windowHeight / 2);
bounds.left = centerPt.h - (SInt16)(windowWidth / 2);
bounds.bottom = bounds.top + (SInt16)windowHeight;
bounds.right = bounds.left + (SInt16)windowWidth;
CreateNewWindow( kOverlayWindowClass, 0, &bounds, &window );
CreateCGContextForPort( GetWindowPort( window ), &context );
ShowWindow( window );
for ( i = 1; i <= NUMBER_OF_POOF_ANIM_FRAMES; i++ )
{
CGContextClearRect( context, box );
CGContextDrawImage( context, box, image );
CGContextFlush( context );
Delay( EventTimeToTicks( POOF_ANIMATION_DELAY ), NULL );
box.origin.x -= windowWidth;
}
CGContextRelease( context );
CGImageRelease( image );
DisposeWindow( window );
Bail:
return;
}
bool UIMachineWindowSeamless::event(QEvent *pEvent)
{
switch (pEvent->type())
{
case QEvent::Paint:
{
/* Clear the background */
CGContextClearRect(::darwinToCGContextRef(this), ::darwinToCGRect(frameGeometry()));
break;
}
default:
break;
}
return UIMachineWindow::event(pEvent);
}
CGImageRef CreatePDFPageImage(CGPDFPageRef page, CGFloat scale, bool transparentBackground)
{
CGSize pageSize = PDFPageGetSize(page, kCGPDFCropBox);
size_t width = scale * floorf(pageSize.width);
size_t height = scale * floorf(pageSize.height);
size_t bytesPerLine = width * 4;
uint64_t size = (uint64_t)height * (uint64_t)bytesPerLine;
if ((size == 0) || (size > SIZE_MAX))
return NULL;
void *bitmapData = malloc(size);
if (!bitmapData)
return NULL;
#if TARGET_OS_IPHONE
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
#else
CGColorSpaceRef colorSpace = CGColorSpaceCreateWithName(&kCGColorSpaceSRGB ? kCGColorSpaceSRGB : kCGColorSpaceGenericRGB);
#endif
CGContextRef context = CGBitmapContextCreate(bitmapData, width, height, 8, bytesPerLine, colorSpace, kCGImageAlphaPremultipliedFirst);
if (transparentBackground)
{
CGContextClearRect(context, CGRectMake(0, 0, width, height));
}
else
{
CGContextSetRGBFillColor(context, 1, 1, 1, 1); // white
CGContextFillRect(context, CGRectMake(0, 0, width, height));
}
// CGPDFPageGetDrawingTransform unfortunately does not upscale, see http://lists.apple.com/archives/quartz-dev/2005/Mar/msg00112.html
CGAffineTransform drawingTransform = PDFPageGetDrawingTransform(page, kCGPDFCropBox, scale);
CGContextConcatCTM(context, drawingTransform);
CGContextDrawPDFPage(context, page);
CGImageRef pdfImage = CGBitmapContextCreateImage(context);
CGContextRelease(context);
CGColorSpaceRelease(colorSpace);
free(bitmapData);
return pdfImage;
}
static pascal OSStatus OverlayWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
#pragma unused( inCallRef )
Rect windowRect;
CGRect box;
CGContextRef cgContext;
UInt32 eventKind = GetEventKind( inEvent );
UInt32 eventClass = GetEventClass( inEvent );
OSStatus err = eventNotHandledErr;
WindowStorage *windowStorage = (WindowStorage*) inUserData;
switch ( eventClass )
{
case kEventClassWindow:
if ( eventKind == kEventWindowClose )
{
windowStorage->overlayWindow = NULL; // Let the default handler DisposeWindow() for us, just set our WindowRef to NULL
}
else if ( (eventKind == kEventWindowBoundsChanged) || (eventKind == kEventWindowShown) ) // Draw the overlay window
{
GetWindowPortBounds( windowStorage->overlayWindow, &windowRect );
//box.origin.x = box.origin.y = 0;
//box.size.width = windowRect.right - windowRect.left;
//box.size.height = windowRect.bottom - windowRect.top;
box = CGRectMake( 0, 0, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top );
QDBeginCGContext( GetWindowPort(windowStorage->overlayWindow), &cgContext );
CGContextClearRect( cgContext, box );
// Paint a semi-transparent box in the middle of our window
box.origin.x = (windowRect.right - windowRect.left) / 4;
box.size.width = (windowRect.right - windowRect.left) / 2;
CGContextSetRGBFillColor( cgContext, 0.5, 0.75, 0.75, 0.2 );
CGContextFillRect( cgContext, box );
CGContextFlush( cgContext );
QDEndCGContext( GetWindowPort(windowStorage->overlayWindow), &cgContext );
}
break;
}
return( err );
}
static CGContextRef createAlphaOnlyContext(size_t width, size_t height)
{
/* This routine allocates data for a pixel array that contains
width*height pixels, each pixel is 1 byte. The format is
8 bits per pixel, where the data is the alpha value of the pixel.
*/
CGContextRef context;
size_t bytesPerRow;
unsigned char *rasterData;
// Minimum bytes per row is 1 byte per sample * number of samples.
bytesPerRow = width;
// Round to nearest multiple of BEST_BYTE_ALIGNMENT.
bytesPerRow = COMPUTE_BEST_BYTES_PER_ROW(bytesPerRow);
// Allocate the data for the raster. The total amount of data is bytesPerRow
// times the number of rows. The function 'calloc' is used so that the
// memory is initialized to 0.
rasterData = calloc(1, bytesPerRow * height);
if(rasterData == NULL){
fprintf(stderr, "Couldn't allocate the needed amount of memory!\n");
return NULL;
}
// This type of context is only available in Panther and later, otherwise
// this fails and returns a NULL context. The color space for an alpha
// only context is NULL and the BitmapInfo value is kCGImageAlphaOnly.
context = CGBitmapContextCreate(rasterData, width, height, 8, bytesPerRow,
NULL, kCGImageAlphaOnly);
if(context == NULL){
// If the context couldn't be created then release the raster memory.
free(rasterData);
fprintf(stderr, "Couldn't create the context!\n");
return NULL;
}
// Clear the context bits so they are initially transparent.
CGContextClearRect(context, CGRectMake(0, 0, width, height));
return context;
}
// ImageCodecDrawBand
// The base image decompressor calls your image decompressor component's ImageCodecDrawBand function
// to decompress a band or frame. Your component must implement this function. If the ImageSubCodecDecompressRecord
// structure specifies a progress function or data-loading function, the base image decompressor will never call ImageCodecDrawBand
// at interrupt time. If the ImageSubCodecDecompressRecord structure specifies a progress function, the base image decompressor
// handles codecProgressOpen and codecProgressClose calls, and your image decompressor component must not implement these functions.
// If not, the base image decompressor may call the ImageCodecDrawBand function at interrupt time.
// When the base image decompressor calls your ImageCodecDrawBand function, your component must perform the decompression specified
// by the fields of the ImageSubCodecDecompressRecord structure. The structure includes any changes your component made to it
// when performing the ImageCodecBeginBand function. If your component supports asynchronous scheduled decompression,
// it may receive more than one ImageCodecBeginBand call before receiving an ImageCodecDrawBand call.
pascal ComponentResult TextSubCodecDrawBand(TextSubGlobals glob, ImageSubCodecDecompressRecord *drp)
{
TextSubDecompressRecord *myDrp = (TextSubDecompressRecord *)drp->userDecompressRecord;
CGImageAlphaInfo alphaFormat = (myDrp->pixelFormat == k32ARGBPixelFormat) ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaPremultipliedLast;
CGContextRef c = CGBitmapContextCreate(drp->baseAddr, myDrp->width, myDrp->height,
8, drp->rowBytes, glob->colorSpace,
alphaFormat);
CGContextClearRect(c, CGRectMake(0,0, myDrp->width, myDrp->height));
CFMutableStringRef buf;
if (drp->codecData[0] == '\n' && myDrp->dataSize == 1) goto leave; // skip empty packets
if (myDrp->dataSize > kMaxSubPacketSize) goto leave; // skip very large packets, they probably cause stack overflows
buf = (CFMutableStringRef)CFStringCreateWithBytesNoCopy(NULL, (UInt8*)drp->codecData, myDrp->dataSize, kCFStringEncodingUTF8, false, kCFAllocatorNull);
if (!buf) goto leave;
if (glob->translateSRT) {
CFStringRef origBuf = buf;
buf = CFStringCreateMutableCopy(NULL, 0, buf);
CFRelease(origBuf);
if (!buf) goto leave;
CFStringFindAndReplace(buf, CFSTR("<i>"), CFSTR("{\\i1}"), CFRangeMake(0,CFStringGetLength(buf)), 0);
CFStringFindAndReplace(buf, CFSTR("</i>"), CFSTR("{\\i0}"), CFRangeMake(0,CFStringGetLength(buf)), 0);
CFStringFindAndReplace(buf, CFSTR("<"), CFSTR("{"), CFRangeMake(0,CFStringGetLength(buf)), 0);
CFStringFindAndReplace(buf, CFSTR(">"), CFSTR("}"), CFRangeMake(0,CFStringGetLength(buf)), 0);
}
SubRendererRenderPacket(glob->ssa, c, buf, myDrp->width, myDrp->height);
if (IsTransparentSubtitleHackEnabled())
ConvertImageToQDTransparent(drp->baseAddr, myDrp->pixelFormat, drp->rowBytes, myDrp->width, myDrp->height);
CFRelease(buf);
leave:
CGContextRelease(c);
return noErr;
}
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 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);;
}
void GraphicsContext::clearRect(const FloatRect& r)
{
if (paintingDisabled())
return;
CGContextClearRect(platformContext(), r);
}
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;
}
ImageBuffer::ImageBuffer(const FloatSize& size, float resolutionScale, ColorSpace imageColorSpace, RenderingMode renderingMode, bool& success)
: m_logicalSize(size)
, m_resolutionScale(resolutionScale)
{
float scaledWidth = ceilf(resolutionScale * size.width());
float scaledHeight = ceilf(resolutionScale * size.height());
// FIXME: Should we automatically use a lower resolution?
if (!FloatSize(scaledWidth, scaledHeight).isExpressibleAsIntSize())
return;
m_size = IntSize(scaledWidth, scaledHeight);
m_data.backingStoreSize = m_size;
success = false; // Make early return mean failure.
bool accelerateRendering = renderingMode == Accelerated;
if (m_size.width() <= 0 || m_size.height() <= 0)
return;
#if USE(IOSURFACE_CANVAS_BACKING_STORE)
Checked<int, RecordOverflow> width = m_size.width();
Checked<int, RecordOverflow> height = m_size.height();
#endif
// Prevent integer overflows
m_data.bytesPerRow = 4 * Checked<unsigned, RecordOverflow>(m_data.backingStoreSize.width());
Checked<size_t, RecordOverflow> numBytes = Checked<unsigned, RecordOverflow>(m_data.backingStoreSize.height()) * m_data.bytesPerRow;
if (numBytes.hasOverflowed())
return;
#if USE(IOSURFACE_CANVAS_BACKING_STORE)
IntSize maxSize = IOSurface::maximumSize();
if (width.unsafeGet() > maxSize.width() || height.unsafeGet() > maxSize.height())
accelerateRendering = false;
#else
ASSERT(renderingMode == Unaccelerated);
#endif
m_data.colorSpace = cachedCGColorSpace(imageColorSpace);
RetainPtr<CGContextRef> cgContext;
if (accelerateRendering) {
#if USE(IOSURFACE_CANVAS_BACKING_STORE)
FloatSize userBounds = scaleSizeToUserSpace(FloatSize(width.unsafeGet(), height.unsafeGet()), m_data.backingStoreSize, m_size);
m_data.surface = IOSurface::create(m_data.backingStoreSize, IntSize(userBounds), imageColorSpace);
cgContext = m_data.surface->ensurePlatformContext();
if (cgContext)
CGContextClearRect(cgContext.get(), FloatRect(FloatPoint(), userBounds));
#endif
if (!cgContext)
accelerateRendering = false; // If allocation fails, fall back to non-accelerated path.
}
if (!accelerateRendering) {
if (!tryFastCalloc(m_data.backingStoreSize.height(), m_data.bytesPerRow.unsafeGet()).getValue(m_data.data))
return;
ASSERT(!(reinterpret_cast<intptr_t>(m_data.data) & 3));
#if USE_ARGB32
m_data.bitmapInfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host;
#else
m_data.bitmapInfo = kCGImageAlphaPremultipliedLast;
#endif
cgContext = adoptCF(CGBitmapContextCreate(m_data.data, m_data.backingStoreSize.width(), m_data.backingStoreSize.height(), 8, m_data.bytesPerRow.unsafeGet(), m_data.colorSpace, m_data.bitmapInfo));
// Create a live image that wraps the data.
m_data.dataProvider = adoptCF(CGDataProviderCreateWithData(0, m_data.data, numBytes.unsafeGet(), releaseImageData));
if (!cgContext)
return;
m_data.context = std::make_unique<GraphicsContext>(cgContext.get());
}
context().scale(FloatSize(1, -1));
context().translate(0, -m_data.backingStoreSize.height());
context().applyDeviceScaleFactor(m_resolutionScale);
success = true;
}
void wxOverlayImpl::Clear(wxWindowDC* dc)
{
wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") );
CGRect box = CGRectMake( m_x - 1, m_y - 1 , m_width + 2 , m_height + 2 );
CGContextClearRect( m_overlayContext, box );
}
void LineTool( WindowRef window )
{
OSStatus err;
Point endPt;
MouseTrackingResult trackingResult;
Point beginPt;
Rect windowRect;
WindowRef overlayWindow;
CGRect cgRect;
CGContextRef cgContext;
Boolean isStillDown = true;
SetThemeCursor( kThemeCrossCursor );
SetPortWindowPort( window );
GetWindowPortBounds( window, &windowRect );
LocalToGlobalRect( &windowRect );
(void) CreateNewWindow( kOverlayWindowClass, kWindowHideOnSuspendAttribute | kWindowIgnoreClicksAttribute, &windowRect, &overlayWindow );
SetPortWindowPort( overlayWindow );
SetWindowGroup( overlayWindow, GetWindowGroup(window) ); // This assures we draw into the same layer as the window
ShowWindow( overlayWindow );
GetMouse( &beginPt );
cgRect = CGRectMake( 0, 0, windowRect.right - windowRect.left+1, windowRect.bottom - windowRect.top+1 );
CreateCGContextForPort( GetWindowPort(overlayWindow), &cgContext );
CGContextSetLineWidth( cgContext, 3 ); // Line is 3 pixels wide
CGContextSetRGBStrokeColor( cgContext, 1.0, .45, .3, .4 ); // Make it orange with alpha = 0.4
SyncCGContextOriginWithPort( cgContext, GetWindowPort(overlayWindow) );
CGContextTranslateCTM( cgContext, 0, windowRect.bottom - windowRect.top ); // Flip & rotate the context to use QD coordinates
CGContextScaleCTM( cgContext, 1.0, -1.0 );
do
{
err = TrackMouseLocation( GetWindowPort(window), &endPt, &trackingResult );
switch ( trackingResult )
{
case kMouseTrackingMouseDragged:
CGContextClearRect( cgContext, cgRect ); // "Erase" the window
#if ( 1 )
CGContextMoveToPoint( cgContext, beginPt.h, beginPt.v ); // Draw the line
CGContextAddLineToPoint( cgContext, endPt.h, endPt.v );
CGContextStrokePath( cgContext );
#else
MoveTo( beginPt.h, beginPt.v ); // We could use QuickDraw and draw opaque lines
LineTo( endPt.h, endPt.v );
#endif
CGContextFlush( cgContext ); // Flush our drawing to the screen
break;
case kMouseTrackingMouseDown:
break;
case kMouseTrackingMouseUp:
case kMouseTrackingUserCancelled:
isStillDown = false;
break;
}
} while( isStillDown == true );
CGContextRelease( cgContext );
DisposeWindow( overlayWindow );
SetThemeCursor( kThemeArrowCursor );
return;
}
static cairo_int_status_t
_cairo_quartz_init_glyph_surface (cairo_quartz_scaled_font_t *font,
cairo_scaled_glyph_t *scaled_glyph)
{
cairo_int_status_t status = CAIRO_STATUS_SUCCESS;
cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font);
cairo_image_surface_t *surface = NULL;
CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph);
int advance;
CGRect bbox;
double width, height;
double xscale, yscale;
double emscale = CGFontGetUnitsPerEmPtr (font_face->cgFont);
CGColorSpaceRef gray;
CGContextRef cgContext = NULL;
CGAffineTransform textMatrix;
CGRect glyphRect, glyphRectInt;
CGPoint glyphOrigin;
//fprintf (stderr, "scaled_glyph: %p surface: %p\n", scaled_glyph, scaled_glyph->surface);
/* Create blank 2x2 image if we don't have this character.
* Maybe we should draw a better missing-glyph slug or something,
* but this is ok for now.
*/
if (glyph == INVALID_GLYPH) {
surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, 2, 2);
status = cairo_surface_status ((cairo_surface_t *) surface);
if (status)
return status;
_cairo_scaled_glyph_set_surface (scaled_glyph,
&font->base,
surface);
return CAIRO_STATUS_SUCCESS;
}
if (!CGFontGetGlyphAdvancesPtr (font_face->cgFont, &glyph, 1, &advance) ||
!CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox))
{
return CAIRO_INT_STATUS_UNSUPPORTED;
}
status = _cairo_matrix_compute_basis_scale_factors (&font->base.scale,
&xscale, &yscale, 1);
if (status)
return status;
textMatrix = CGAffineTransformMake (font->base.scale.xx,
-font->base.scale.yx,
-font->base.scale.xy,
font->base.scale.yy,
0.0f, 0.0f);
glyphRect = CGRectMake (bbox.origin.x / emscale,
bbox.origin.y / emscale,
bbox.size.width / emscale,
bbox.size.height / emscale);
glyphRect = CGRectApplyAffineTransform (glyphRect, textMatrix);
/* Round the rectangle outwards, so that we don't have to deal
* with non-integer-pixel origins or dimensions.
*/
glyphRectInt = CGRectIntegral (glyphRect);
#if 0
fprintf (stderr, "glyphRect[o]: %f %f %f %f\n",
glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);
fprintf (stderr, "glyphRectInt: %f %f %f %f\n",
glyphRectInt.origin.x, glyphRectInt.origin.y, glyphRectInt.size.width, glyphRectInt.size.height);
#endif
glyphOrigin = glyphRectInt.origin;
//textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformInvert (ctm));
width = glyphRectInt.size.width;
height = glyphRectInt.size.height;
//fprintf (stderr, "glyphRect[n]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);
surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, width, height);
if (surface->base.status)
return surface->base.status;
gray = CGColorSpaceCreateDeviceGray ();
cgContext = CGBitmapContextCreate (surface->data,
surface->width,
surface->height,
8,
surface->stride,
gray,
kCGImageAlphaNone);
CGColorSpaceRelease (gray);
CGContextSetFont (cgContext, font_face->cgFont);
CGContextSetFontSize (cgContext, 1.0);
CGContextSetTextMatrix (cgContext, textMatrix);
CGContextClearRect (cgContext, CGRectMake (0.0f, 0.0f, width, height));
if (font->base.options.antialias == CAIRO_ANTIALIAS_NONE)
CGContextSetShouldAntialias (cgContext, false);
CGContextSetRGBFillColor (cgContext, 1.0, 1.0, 1.0, 1.0);
CGContextShowGlyphsAtPoint (cgContext, - glyphOrigin.x, - glyphOrigin.y, &glyph, 1);
CGContextRelease (cgContext);
cairo_surface_set_device_offset (&surface->base,
- glyphOrigin.x,
height + glyphOrigin.y);
_cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface);
return status;
}
void UIFrameBufferQuartz2D::paintEvent(QPaintEvent *aEvent)
{
/* If the machine is NOT in 'running' state,
* the link between framebuffer and video memory
* is broken, we should go fallback now... */
if (m_fUsesGuestVRAM &&
!m_pMachineView->uisession()->isRunning() &&
!m_pMachineView->uisession()->isPaused() &&
/* Online snapshotting: */
m_pMachineView->uisession()->machineState() != KMachineState_Saving)
{
/* Simulate fallback through fake resize-event: */
UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, 640, 480);
resizeEvent(&event);
}
/* For debugging /Developer/Applications/Performance Tools/Quartz
* Debug.app is a nice tool to see which parts of the screen are
* updated.*/
Assert(m_image);
QWidget* viewport = m_pMachineView->viewport();
Assert(VALID_PTR(viewport));
/* Get the dimensions of the viewport */
CGRect viewRect = ::darwinToCGRect(viewport->geometry());
/* Get the context of this window from Qt */
CGContextRef ctx = ::darwinToCGContextRef(viewport);
Assert(VALID_PTR(ctx));
/* Flip the context */
CGContextTranslateCTM(ctx, 0, viewRect.size.height);
CGContextScaleCTM(ctx, 1.0, -1.0);
/* We handle the seamless mode as a special case. */
if (m_pMachineLogic->visualStateType() == UIVisualStateType_Seamless)
{
/* Clear the background (make the rect fully transparent): */
CGContextClearRect(ctx, viewRect);
#ifdef OVERLAY_CLIPRECTS
/* Enable overlay above the seamless mask: */
CGContextSetRGBFillColor(ctx, 0.0, 0.0, 5.0, 0.7);
CGContextFillRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
#ifdef COMP_WITH_SHADOW
/* Enable shadows: */
CGContextSetShadow(ctx, CGSizeMake (10, -10), 10);
CGContextBeginTransparencyLayer(ctx, NULL);
#endif /* COMP_WITH_SHADOW */
/* Determine current visible region: */
RegionRects *pRgnRcts = ASMAtomicXchgPtrT(&mRegion, NULL, RegionRects*);
if (pRgnRcts)
{
/* If visible region is determined: */
if (pRgnRcts->used > 0)
{
/* Add the clipping rects all at once (they are defined in SetVisibleRegion): */
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
/* Now convert the path to a clipping path: */
CGContextClip(ctx);
}
/* Put back the visible region, free if we cannot (2+ SetVisibleRegion calls): */
if ( !ASMAtomicCmpXchgPtr(&mRegion, pRgnRcts, NULL)
&& !ASMAtomicCmpXchgPtr(&mRegionUnused, pRgnRcts, NULL))
{
RTMemFree(pRgnRcts);
pRgnRcts = NULL;
}
}
/* If visible region is still determined: */
if (pRgnRcts && pRgnRcts->used > 0)
{
/* Create a subimage of the current view.
* Currently this subimage is the whole screen. */
CGImageRef subImage;
if (!m_pMachineView->pauseShot().isNull())
{
CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
subImage = CGImageCreateWithImageInRect(pauseImg, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
CGImageRelease(pauseImg);
}
else
{
#ifdef RT_ARCH_AMD64
/* Not sure who to blame, but it seems on 64bit there goes
* something terrible wrong (on a second monitor) when directly
* using CGImageCreateWithImageInRect without making a copy. We saw
* something like this already with the scale mode. */
CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
subImage = CGImageCreateCopy(tmpImage);
CGImageRelease(tmpImage);
#else /* RT_ARCH_AMD64 */
subImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
#endif /* !RT_ARCH_AMD64 */
}
Assert(VALID_PTR(subImage));
/* In any case clip the drawing to the view window: */
CGContextClipToRect(ctx, viewRect);
/* At this point draw the real vm image: */
CGContextDrawImage(ctx, ::darwinFlipCGRect(viewRect, viewRect.size.height), subImage);
/* Release the subimage: */
CGImageRelease(subImage);
}
#ifdef COMP_WITH_SHADOW
CGContextEndTransparencyLayer(ctx);
#endif /* COMP_WITH_SHADOW */
#ifdef OVERLAY_CLIPRECTS
if (pRgnRcts && pRgnRcts->used > 0)
{
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
CGContextSetRGBStrokeColor(ctx, 1.0, 0.0, 0.0, 0.7);
CGContextDrawPath(ctx, kCGPathStroke);
}
CGContextSetRGBStrokeColor(ctx, 0.0, 1.0, 0.0, 0.7);
CGContextStrokeRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
}
static pascal OSStatus TransparentWindowHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
OSStatus status = eventNotHandledErr;
switch(GetEventKind(inEvent))
{
case kEventWindowGetRegion:
{
WindowRegionCode code;
RgnHandle rgn;
// which region code is being queried?
GetEventParameter(inEvent, kEventParamWindowRegionCode, typeWindowRegionCode, NULL, sizeof(code), NULL, &code);
// if it is the opaque region code then set the region to Empty and return noErr to stop the propagation
if (code == kWindowOpaqueRgn)
{
GetEventParameter(inEvent, kEventParamRgnHandle, typeQDRgnHandle, NULL, sizeof(rgn), NULL, &rgn);
SetEmptyRgn(rgn);
status = noErr;
}
break;
}
case kEventWindowDrawContent:
{
GrafPtr port;
CGContextRef context;
Rect portBounds;
HIRect bounds;
GetPort(&port);
GetPortBounds(port, &portBounds);
// we need a Quartz context so that we can use transparency
QDBeginCGContext(port, &context);
// make the whole content transparent
bounds = CGRectMake(0, 0, portBounds.right, portBounds.bottom);
CGContextClearRect(context, bounds);
QDEndCGContext(port, &context);
// we need to let the HIToolbox and the regular kEventWindowDrawContent handler do their work,
// mainly draw the subviews, so we return eventNotHandledErr to propagate.
status = eventNotHandledErr;
break;
}
case kEventControlDraw:
{
CGContextRef context;
HIRect bounds;
GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context);
HIViewGetBounds((HIViewRef)inUserData, &bounds);
// make the whole content transparent
CGContextClearRect(context, bounds);
// we must not let the default draw handler of the content view be called (it would draw the default opaque theme)
// so we return noErr to stop the propagation.
status = noErr;
break;
}
}
return status;
}
void UIFrameBufferQuartz2D::paintEvent(QPaintEvent *aEvent)
{
/* If the machine is NOT in 'running' state,
* the link between framebuffer and video memory
* is broken, we should go fallback now... */
if (m_fUsesGuestVRAM &&
!m_pMachineView->uisession()->isRunning() &&
!m_pMachineView->uisession()->isPaused() &&
/* Online snapshotting: */
m_pMachineView->uisession()->machineState() != KMachineState_Saving)
{
/* Simulate fallback through fake resize-event: */
UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, 640, 480);
resizeEvent(&event);
}
/* For debugging /Developer/Applications/Performance Tools/Quartz
* Debug.app is a nice tool to see which parts of the screen are
* updated.*/
Assert(m_image);
QWidget* viewport = m_pMachineView->viewport();
Assert(VALID_PTR(viewport));
/* Get the dimensions of the viewport */
CGRect viewRect = ::darwinToCGRect(viewport->geometry());
/* Get the context of this window from Qt */
CGContextRef ctx = ::darwinToCGContextRef(viewport);
Assert(VALID_PTR(ctx));
/* Flip the context */
CGContextTranslateCTM(ctx, 0, viewRect.size.height);
CGContextScaleCTM(ctx, 1.0, -1.0);
/* We handle the seamless mode as a special case. */
if (m_pMachineView->machineLogic()->visualStateType() == UIVisualStateType_Seamless)
{
/* Determine current visible region: */
RegionRects *pRgnRcts = ASMAtomicXchgPtrT(&mRegion, NULL, RegionRects*);
/* Prepare cleanup-region: */
QRegion cleanupRegion(aEvent->rect());
/* Filter out visible-rectangles;
* That way we erase *only* invisible-rectangles of paint-region: */
if (pRgnRcts && pRgnRcts->used > 0)
{
/* Slowly, step-by-step filter our visible-rectangles: */
CGRect *pCgVisibleRect = pRgnRcts->rcts;
for (ULONG uVisibleRectIndex = 0; uVisibleRectIndex < pRgnRcts->used; ++uVisibleRectIndex)
{
/* Prepare Qt visible-rectangle, flipping received CG visible-rectangle: */
CGRect cgVisibleRectFlippedToQt = ::darwinFlipCGRect(*pCgVisibleRect, viewRect.size.height);
QRect visibleRect(cgVisibleRectFlippedToQt.origin.x, cgVisibleRectFlippedToQt.origin.y,
cgVisibleRectFlippedToQt.size.width, cgVisibleRectFlippedToQt.size.height);
/* Filter that rectangle out: */
cleanupRegion -= visibleRect;
++pCgVisibleRect;
}
}
/* Erase cleanup-region: */
if (!cleanupRegion.isEmpty())
{
/* Slowly, step-by-step erase cleanup-rectangles: */
foreach (const QRect &cleanupRect, cleanupRegion.rects())
{
CGRect cgCleanupRect = ::darwinToCGRect(cleanupRect);
CGContextClearRect(ctx, ::darwinFlipCGRect(cgCleanupRect, viewRect.size.height));
}
}
/*
Handle events of kEventClassControl that get sent to the Frame
*/
OSStatus HandleStarFrameControlEvents(
EventHandlerCallRef inCallRef,
EventRef inEvent,
StarFrameData* frameData)
{
OSStatus retVal = eventNotHandledErr;
switch(GetEventKind(inEvent)) {
case kEventControlInitialize :
retVal = HandleStarFrameInitialize(inCallRef, inEvent, frameData);
break;
case kEventControlOwningWindowChanged : {
// We only want the star-shaped opaque area of our frame view to
// draw. Everything else should be transparent. To accomplish that
// we change the features of the owning window so that only the
// content we draw shows up on screen
WindowRef newWindow = GetControlOwner(frameData->hiSelf);
HIWindowChangeFeatures(newWindow, 0, kWindowIsOpaque);
} break;
case kEventControlBoundsChanged : {
retVal = HandleStarFrameBoundsChanged(inCallRef, inEvent, frameData);
} break;
case kEventControlDraw : {
HIRect bounds;
CGContextRef cgContext;
HIViewGetBounds(frameData->hiSelf, &bounds);
float radius = fmin(CGRectGetWidth(bounds) / 2.0, CGRectGetHeight(bounds) / 2.0);
GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(cgContext), NULL, &cgContext );
if(NULL != cgContext) {
HIThemeMenuDrawInfo drawInfo;
CGPathRef starPath = CreatePathForStarFrame(frameData, radius);
drawInfo.version = 0;
drawInfo.menuType = frameData->menuType;
// HIThemeDrawMenuBackground is designed to draw the pin striped background
// of standard menus. Our menu is a star and so HIThemeDrawMenuBackground may not be
// appropriate in this case. Nevertheless, we'll draw the standard menu background for
// this menu and clip it to a star.
CGContextClearRect(cgContext, bounds);
CGContextSaveGState(cgContext);
CGContextTranslateCTM(cgContext, radius, radius);
CGContextAddPath(cgContext, starPath);
CGContextClip(cgContext);
CGContextTranslateCTM(cgContext, -radius, -radius);
HIThemeDrawMenuBackground(&bounds, &drawInfo, cgContext, kHIThemeOrientationNormal);
CGContextRestoreGState(cgContext);
// The pin striping looks a bit odd sort of floating out by itself. We'll also add
// a lovely gray line to help emphasize the boundary
CGContextTranslateCTM(cgContext, radius, radius);
CGContextAddPath(cgContext, starPath);
CGContextSetRGBStrokeColor(cgContext, 0.8, 0.8, 0.8, 1.0);
CGContextSetLineWidth(cgContext, 1.0);
CGContextStrokePath(cgContext);
CGPathRelease(starPath);
starPath = NULL;
}
retVal = noErr;
} break;
// Mac OS X v10.4 introduced a Window Manager bug.
// The workaround is to implement the kEventControlGetFrameMetrics handler.
// Even after the bug is fixed, the workaround will not be harmful.
case kEventControlGetFrameMetrics: {
HIViewRef contentView = NULL;
// If we can find our content view, ask it for our metrics
verify_noerr(HIViewFindByID(frameData->hiSelf, kHIViewWindowContentID, &contentView));
if(NULL != contentView) {
retVal = SendEventToEventTargetWithOptions( inEvent, GetControlEventTarget( contentView ), kEventTargetDontPropagate );
}
} break;
default:
break;
}
return retVal;
}
static void initNeedle(unsigned w, unsigned h, unsigned max)
{
CGColorSpaceRef colorspace;
CGContextRef gc;
unsigned char *data;
float cx, cy;
float angle, radius, needle;
data = (unsigned char *)malloc(w * h * 4);
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
gc = CGBitmapContextCreate(data, w, h, 8, w * 4, colorspace,
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
cx = CENTERX * w;
cy = CENTERY * h;
radius = 0.5 * (w > h ? w : h);
needle = radius * 0.85;
CGContextTranslateCTM(gc, 0.0, h);
CGContextScaleCTM(gc, 1.0, -1.0);
CGContextClearRect(gc, CGRectMake(0, 0, w, h));
angle = 0;//angleForValue(0, max);
{
// draw glow reflecting on inner bevel
float dx, dy;
dx = -cos(angle) + 1;
dy = -sin(angle) + 1;
CGGradientRef gradient;
size_t num_locations = 2;
CGFloat locations[2] = { 0.0, 1.0 };
CGFloat components[8] = { 0.7, 0.7, 1.0, 0.7, // Start color
0.0, 0.0, 0.0, 0.0
}; // End color
gradient = CGGradientCreateWithColorComponents (colorspace, components,
locations, num_locations);
CGContextSaveGState(gc);
CGContextAddArc(gc, cx, cy, needle*1.05, 0, 2*M_PI, false);
CGContextAddArc(gc, cx, cy, needle*0.96, 0, 2*M_PI, false);
CGContextEOClip(gc);
CGContextDrawRadialGradient (gc, gradient,
CGPointMake(cx*dx, cy*dy), radius*0.1,
CGPointMake(cx*1.0, cy*1.0), radius*1.0, 0);
CGContextRestoreGState(gc);
}
CGContextSetRGBFillColor(gc, 0.9, 0.9, 1.0, 1.0);
// draw several glow passes, with the content offscreen
CGContextTranslateCTM(gc, 0, OFFSCREEN - 10);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawNeedle(gc, w, h, angle);
CGContextTranslateCTM(gc, 0, 20);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawNeedle(gc, w, h, angle);
CGContextTranslateCTM(gc, -10, -10);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawNeedle(gc, w, h, angle);
CGContextTranslateCTM(gc, 20, 0);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawNeedle(gc, w, h, angle);
CGContextTranslateCTM(gc, -10, -OFFSCREEN);
// draw real content
CGContextSetShadowWithColor(gc, CGSizeMake(0, 1), 6.0, CGColorCreateGenericRGB(0.0, 0.0, 0.5, 0.7));
drawNeedle(gc, w, h, angle);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, w, h, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, data);
CGContextRelease(gc);
CGColorSpaceRelease(colorspace);
free(data);
}
static void initBackground(unsigned w, unsigned h, unsigned max)
{
CGColorSpaceRef colorspace;
CGContextRef gc;
unsigned char *data;
float cx, cy;
float radius, needle;
data = (unsigned char *)malloc(w * h * 4);
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
gc = CGBitmapContextCreate(data, w, h, 8, w * 4, colorspace,
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
cx = CENTERX * w;
cy = CENTERY * h;
radius = 0.5 * (w > h ? w : h);
needle = radius * 0.85;
// background
CGContextTranslateCTM(gc, 0.0, h);
CGContextScaleCTM(gc, 1.0, -1.0);
CGContextClearRect(gc, CGRectMake(0, 0, w, h));
CGContextSetRGBFillColor(gc, 0.0, 0.0, 0.0, 0.7);
CGContextAddArc(gc, cx, cy, radius, 0, 2*M_PI, false);
CGContextFillPath(gc);
CGGradientRef gradient;
size_t num_locations = 2;
CGFloat locations[2] = { 0.0, 1.0 };
CGFloat components[8] = { 1.0, 1.0, 1.0, 0.5, // Start color
0.0, 0.0, 0.0, 0.0
}; // End color
gradient = CGGradientCreateWithColorComponents (colorspace, components,
locations, num_locations);
// top rim light
CGContextSaveGState(gc);
CGContextAddArc(gc, cx, cy, radius, 0, 2*M_PI, false);
CGContextAddArc(gc, cx, cy, needle*1.05, 0, 2*M_PI, false);
CGContextEOClip(gc);
CGContextDrawRadialGradient (gc, gradient,
CGPointMake(cx, cy*1.00), radius*1.01,
CGPointMake(cx, cy*0.96), radius*0.98, 0);
// bottom rim light
CGContextDrawRadialGradient (gc, gradient,
CGPointMake(cx, cy*1.00), radius*1.01,
CGPointMake(cx, cy*1.04), radius*0.98, 0);
// top bevel
CGContextDrawRadialGradient (gc, gradient,
CGPointMake(cx, cy*2.2), radius*0.2,
CGPointMake(cx, cy*1.0), radius*1.0, 0);
// bottom bevel
CGContextRestoreGState(gc);
CGContextSaveGState(gc);
CGContextAddArc(gc, cx, cy, needle*1.05, 0, 2*M_PI, false);
CGContextAddArc(gc, cx, cy, needle*0.96, 0, 2*M_PI, false);
CGContextEOClip(gc);
CGContextDrawRadialGradient (gc, gradient,
CGPointMake(cx, cy* -.5), radius*0.2,
CGPointMake(cx, cy*1.0), radius*1.0, 0);
CGGradientRelease(gradient);
CGContextRestoreGState(gc);
CGContextSetRGBFillColor(gc, 0.9, 0.9, 1.0, 1.0);
CGContextSetRGBStrokeColor(gc, 0.9, 0.9, 1.0, 1.0);
CGContextSetLineCap(gc, kCGLineCapRound);
// draw several glow passes, with the content offscreen
CGContextTranslateCTM(gc, 0, OFFSCREEN - 10);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawMarks(gc, w, h, max);
CGContextTranslateCTM(gc, 0, 20);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawMarks(gc, w, h, max);
CGContextTranslateCTM(gc, -10, -10);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawMarks(gc, w, h, max);
CGContextTranslateCTM(gc, 20, 0);
CGContextSetShadowWithColor(gc, CGSizeMake(0, OFFSCREEN), 48.0, CGColorCreateGenericRGB(0.5, 0.5, 1.0, 0.7));
drawMarks(gc, w, h, max);
CGContextTranslateCTM(gc, -10, -OFFSCREEN);
// draw real content
CGContextSetShadowWithColor(gc, CGSizeMake(0, 1), 6.0, CGColorCreateGenericRGB(0.7, 0.7, 1.0, 0.9));
drawMarks(gc, w, h, max);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, w, h, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, data);
CGContextRelease(gc);
CGColorSpaceRelease(colorspace);
free(data);
}
