wxMetafileRefData::wxMetafileRefData( int width, int height)
{
Init();
m_width = width;
m_height = height;
CGRect r = CGRectMake( 0 , 0 , width , height );
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
m_data.reset(data);
CGDataConsumerRef dataConsumer = wxMacCGDataConsumerCreateWithCFData(data);
m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
CGDataConsumerRelease( dataConsumer );
if ( m_context )
{
CGPDFContextBeginPage(m_context, NULL);
CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
CGContextSetFillColorSpace( m_context, genericColorSpace );
CGContextSetStrokeColorSpace( m_context, genericColorSpace );
CGContextTranslateCTM( m_context , 0 , height ) ;
CGContextScaleCTM( m_context , 1 , -1 ) ;
}
}
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");
#endif
state().m_appliedStrokePattern = true;
}
void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
{
if ( m_selected.IsOk() )
{
m_selected.EndRawAccess() ;
wxDELETE(m_graphicContext);
}
m_selected = bitmap;
if (m_selected.IsOk())
{
if ( m_selected.GetDepth() != 1 )
m_selected.UseAlpha() ;
m_selected.BeginRawAccess() ;
m_width = bitmap.GetScaledWidth();
m_height = bitmap.GetScaledHeight();
m_contentScaleFactor = bitmap.GetScaleFactor();
CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
CGContextRef bmCtx = (CGContextRef) m_selected.GetHBITMAP();
if ( bmCtx )
{
CGContextSetFillColorSpace( bmCtx, genericColorSpace );
CGContextSetStrokeColorSpace( bmCtx, genericColorSpace );
SetGraphicsContext( wxGraphicsContext::CreateFromNative( bmCtx ) );
}
m_ok = (m_graphicContext != NULL) ;
}
else
{
m_ok = false;
}
}
void doIndexedColorDrawGraphics(CGContextRef context)
{
CGColorSpaceRef theBaseRGBSpace = getTheCalibratedRGBColorSpace();
CGColorSpaceRef theIndexedSpace = NULL;
unsigned char lookupTable[6];
float opaqueRed[] = { 0, 1 }; // index, alpha
float aBlue[] = { 1, 1 }; // index, alpha
// Set the first 3 values in the lookup table to a red of
// 169/255 = 0.663, no green, and blue = 8/255 = 0.031. This makes
// the first entry in the lookup table a shade of red.
lookupTable[0] = 169; lookupTable[1] = 0; lookupTable[2] = 8;
// Set the second 3 values in the lookup table to a red value
// of 123/255 = 0.482, a green value of 158/255 = 0.62, and
// a blue value of 222/255 = 0.871. This makes the second entry
// in the lookup table a shade of blue.
lookupTable[3] = 123; lookupTable[4] = 158; lookupTable[5] = 222;
// Create the indexed color space with this color lookup table,
// using the RGB color space as the base color space and a 2 element
// color lookup table to characterize the indexed color space.
theIndexedSpace = CGColorSpaceCreateIndexed(theBaseRGBSpace, 1, lookupTable);
if(theIndexedSpace != NULL){
CGContextSetStrokeColorSpace(context, theIndexedSpace);
CGContextSetFillColorSpace(context, theIndexedSpace);
// Release the color space this code created since it is no
// longer needed in this routine.
CGColorSpaceRelease(theIndexedSpace);
// Set the stroke color to an opaque blue.
CGContextSetStrokeColor(context, aBlue);
// Set the fill color to an opaque red.
CGContextSetFillColor(context, opaqueRed);
CGContextSetLineWidth(context, 8.);
// Draw the first rectangle.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(20., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Continue to use the stroke colorspace already set
// but change the stroke alpha value to a semitransparent value
// while leaving the index value unchanged.
aBlue[1] = 0.5;
CGContextSetStrokeColor(context, aBlue);
// Draw another rectangle to the right of the first one.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(140., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
}else
fprintf(stderr, "Couldn't make the indexed color space!\n");
}
//-----------------------------------------------------------------------------
void CGDrawContext::init ()
{
CGContextSaveGState (cgContext);
CGContextSetShouldAntialias (cgContext, false);
CGContextSetFillColorSpace (cgContext, GetCGColorSpace ());
CGContextSetStrokeColorSpace (cgContext, GetCGColorSpace ());
CGContextSaveGState (cgContext);
CGAffineTransform cgCTM = CGAffineTransformMake (1.0, 0.0, 0.0, -1.0, 0.0, 0.0);
CGContextSetTextMatrix (cgContext, cgCTM);
CDrawContext::init ();
}
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)
notImplemented();
#elif PLATFORM(CAIRO) && !PLATFORM(BAL)
CanvasPattern* pattern = state().m_strokeStyle->pattern();
if (!pattern)
return;
cairo_t* cr = c->platformContext();
cairo_matrix_t m;
cairo_get_matrix(cr, &m);
cairo_pattern_t* platformPattern = pattern->createPattern(m);
if (!platformPattern)
return;
cairo_set_source(cr, platformPattern);
cairo_pattern_destroy(platformPattern);
#elif PLATFORM(BAL)
notImplemented();
#endif
state().m_appliedStrokePattern = true;
}
void GraphicsContext::applyStrokePattern()
{
CGContextRef cgContext = platformContext();
RetainPtr<CGPatternRef> platformPattern(AdoptCF, m_state.strokePattern->createPlatformPattern(getCTM()));
if (!platformPattern)
return;
RetainPtr<CGColorSpaceRef> patternSpace(AdoptCF, CGColorSpaceCreatePattern(0));
CGContextSetStrokeColorSpace(cgContext, patternSpace.get());
const CGFloat patternAlpha = 1;
CGContextSetStrokePattern(cgContext, platformPattern.get(), &patternAlpha);
}
void wxMemoryDC::DoSelect( const wxBitmap& bitmap )
{
if ( m_selected.Ok() )
{
#if wxMAC_USE_CORE_GRAPHICS
m_selected.EndRawAccess() ;
delete m_graphicContext ;
m_graphicContext = NULL ;
#else
// TODO: UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(m_selected.GetHBITMAP())) );
#endif
}
m_selected = bitmap;
if (m_selected.Ok())
{
#if wxMAC_USE_CORE_GRAPHICS
if ( m_selected.GetDepth() != 1 )
m_selected.UseAlpha() ;
m_selected.BeginRawAccess() ;
m_width = bitmap.GetWidth();
m_height = bitmap.GetHeight();
CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
CGContextRef bmCtx = (CGContextRef) m_selected.GetHBITMAP();
if ( bmCtx )
{
CGContextSetFillColorSpace( bmCtx, genericColorSpace );
CGContextSetStrokeColorSpace( bmCtx, genericColorSpace );
SetGraphicsContext( wxGraphicsContext::CreateFromNative( bmCtx ) );
}
m_ok = (m_graphicContext != NULL) ;
#else
m_macPort = m_selected.GetHBITMAP( &m_macMask ) ;
m_ok = (m_macPort != NULL) ;
if (m_ok)
{
LockPixels( GetGWorldPixMap( (CGrafPtr) m_macPort ) ) ;
SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , 0 , 0 , m_selected.GetWidth() , m_selected.GetHeight() ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
}
#endif
}
else
{
m_ok = false;
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::init ()
{
CGContextSaveGState (cgContext);
CGContextSetAllowsAntialiasing (cgContext, true);
CGContextSetAllowsFontSmoothing (cgContext, true);
CGContextSetAllowsFontSubpixelPositioning (cgContext, true);
CGContextSetAllowsFontSubpixelQuantization (cgContext, true);
CGContextSetShouldAntialias (cgContext, false);
CGContextSetFillColorSpace (cgContext, GetCGColorSpace ());
CGContextSetStrokeColorSpace (cgContext, GetCGColorSpace ());
CGContextSaveGState (cgContext);
CGAffineTransform cgCTM = CGAffineTransformMake (1.0, 0.0, 0.0, -1.0, 0.0, 0.0);
CGContextSetTextMatrix (cgContext, cgCTM);
CDrawContext::init ();
}
void doColorSpaceFillAndStroke(CGContextRef context)
{
CGColorSpaceRef theColorSpace = getTheCalibratedRGBColorSpace();
float opaqueRed[] = { 0.663, 0.0, 0.031, 1.0 }; // red,green,blue,alpha
float aBlue[] = { 0.482, 0.62, 0.871, 1.0 }; // red,green,blue,alpha
// Set the fill color space to be the generic calibrated RGB color space.
CGContextSetFillColorSpace(context, theColorSpace);
// Set the fill color to opaque red. The number of elements in the
// array passed to this function must be the number of color
// components in the current fill color space plus 1 for alpha.
CGContextSetFillColor(context, opaqueRed);
// Set the stroke color space to be the generic calibrated RGB color space.
CGContextSetStrokeColorSpace(context, theColorSpace);
// Set the stroke color to opaque blue. The number of elements
// in the array passed to this function must be the number of color
// components in the current stroke color space plus 1 for alpha.
CGContextSetStrokeColor(context, aBlue);
CGContextSetLineWidth(context, 8.);
// Rectangle 1.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(20., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Continue to use the stroke colorspace already set
// but change the stroke alpha value to a semitransparent blue.
aBlue[3] = 0.5;
CGContextSetStrokeColor(context, aBlue);
// Rectangle 2.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(140., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Don't release the color space since this routine
// didn't create it.
}
bool SVGPaintServerPattern::setup(GraphicsContext*& context, const RenderObject* object, SVGPaintTargetType type, bool isPaintingText) const
{
CGContextRef contextRef = context->platformContext();
// Build pattern tile, passing destination object bounding box
FloatRect targetRect;
if (isPaintingText) {
IntRect textBoundary = const_cast<RenderObject*>(object)->absoluteBoundingBoxRect();
targetRect = object->absoluteTransform().inverse().mapRect(textBoundary);
} else
targetRect = CGContextGetPathBoundingBox(contextRef);
m_ownerElement->buildPattern(targetRect);
if (!tile())
return false;
CGSize cellSize = CGSize(tile()->size());
CGFloat alpha = 1; // canvasStyle->opacity(); //which?
context->save();
// Repesct local pattern transformations
CGContextConcatCTM(contextRef, patternTransform());
// Pattern space seems to start in the lower-left, so we flip the Y here.
CGSize phase = CGSizeMake(patternBoundaries().x(), -patternBoundaries().y());
CGContextSetPatternPhase(contextRef, phase);
RenderStyle* style = object->style();
CGContextSetAlpha(contextRef, style->opacity()); // or do I set the alpha above?
ASSERT(!m_pattern);
CGPatternCallbacks callbacks = {0, patternCallback, NULL};
m_pattern = CGPatternCreate(tile(),
CGRectMake(0, 0, cellSize.width, cellSize.height),
CGContextGetCTM(contextRef),
patternBoundaries().width(),
patternBoundaries().height(),
kCGPatternTilingConstantSpacing, // FIXME: should ask CG guys.
true, // has color
&callbacks);
if (!m_patternSpace)
m_patternSpace = CGColorSpaceCreatePattern(0);
if ((type & ApplyToFillTargetType) && style->svgStyle()->hasFill()) {
CGContextSetFillColorSpace(contextRef, m_patternSpace);
CGContextSetFillPattern(contextRef, m_pattern, &alpha);
if (isPaintingText)
context->setTextDrawingMode(cTextFill);
}
if ((type & ApplyToStrokeTargetType) && style->svgStyle()->hasStroke()) {
CGContextSetStrokeColorSpace(contextRef, m_patternSpace);
CGContextSetStrokePattern(contextRef, m_pattern, &alpha);
applyStrokeStyleToContext(contextRef, style, object);
if (isPaintingText)
context->setTextDrawingMode(cTextStroke);
}
return true;
}