/*
* Copyright (C) 2005 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if SVG_SUPPORT
#import "QuartzSupport.h"
#import "GraphicsContext.h"
#import "KCanvasMatrix.h"
#import "KCanvasResourcesQuartz.h"
#import "KRenderingFillPainter.h"
#import "KRenderingStrokePainter.h"
#import "KCanvasRenderingStyle.h"
#import "wtf/Assertions.h"
#import <QuartzCore/CoreImage.h>
#import "SVGRenderStyle.h"
namespace WebCore {
#ifndef NDEBUG
void debugDumpCGImageToFile(NSString *filename, CGImageRef image, int width, int height)
{
NSImage *fileImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
[fileImage lockFocus];
CGContextRef fileImageContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextDrawImage(fileImageContext, GraphicsContext(fileImageContext).roundToDevicePixels(
FloatRect(0, 0, width, height)), image);
[fileImage unlockFocus];
NSData *tiff = [fileImage TIFFRepresentation];
[tiff writeToFile:filename atomically:YES];
[fileImage release];
}
void debugDumpCGLayerToFile(NSString *filename, CGLayerRef layer, int width, int height)
{
NSImage *fileImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
[fileImage lockFocus];
CGContextRef fileImageContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextDrawLayerAtPoint(fileImageContext, CGPointMake(0, 0), layer);
[fileImage unlockFocus];
NSData *tiff = [fileImage TIFFRepresentation];
[tiff writeToFile:filename atomically:YES];
[fileImage release];
}
void debugDumpCIImageToFile(NSString *filename, CIImage *ciImage, int width, int height)
{
NSImage *fileImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
[fileImage lockFocus];
CGContextRef fileImageContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CIContext *ciContext = [CIContext contextWithCGContext:fileImageContext options:nil];
[ciContext drawImage:ciImage atPoint:CGPointZero fromRect:CGRectMake(0, 0, width, height)];
[fileImage unlockFocus];
NSData *tiff = [fileImage TIFFRepresentation];
[tiff writeToFile:filename atomically:YES];
[fileImage release];
}
#endif
CFStringRef CFStringFromCGAffineTransform(CGAffineTransform t)
{
return CFStringCreateWithFormat(0, 0, CFSTR("a: %f b: %f c: %f d: %f tx: %f ty: %f"), t.a, t.b, t.c, t.d, t.tx, t.ty);
}
CGAffineTransform CGAffineTransformMakeMapBetweenRects(CGRect source, CGRect dest)
{
CGAffineTransform transform = CGAffineTransformMakeTranslation(dest.origin.x - source.origin.x, dest.origin.y - source.origin.y);
transform = CGAffineTransformScale(transform, dest.size.width/source.size.width, dest.size.height/source.size.height);
return transform;
}
void applyStrokeStyleToContext(CGContextRef context, const KRenderingStrokePainter& strokePainter)
{
/* Shouldn't all these be in the stroke painter? */
CGContextSetLineWidth(context, strokePainter.strokeWidth());
KCCapStyle capStyle = strokePainter.strokeCapStyle();
CGContextSetLineCap(context, CGLineCapFromKC(capStyle));
KCJoinStyle joinStyle = strokePainter.strokeJoinStyle();
CGContextSetLineJoin(context, CGLineJoinFromKC(joinStyle));
CGContextSetMiterLimit(context, strokePainter.strokeMiterLimit());
KCDashArray dashes = strokePainter.dashArray();
if (dashes.count()) {
size_t dashCount = dashes.count();
CGFloat *lengths = (CGFloat *)malloc(dashCount * sizeof(CGFloat));
for (unsigned int x = 0; x < dashCount; x++)
lengths[x] = dashes[x];
CGContextSetLineDash(context, strokePainter.dashOffset(), lengths, dashes.count());
free(lengths);
}
}
void applyStrokeStyleToContext(CGContextRef context, RenderStyle* renderStyle, const RenderObject* renderObject)
{
KRenderingStrokePainter strokePainter = KSVGPainterFactory::strokePainter(renderStyle, renderObject);
applyStrokeStyleToContext(context, strokePainter);
}
void CGPathToCFStringApplierFunction(void *info, const CGPathElement *element)
{
CFMutableStringRef string = (CFMutableStringRef)info;
CFStringRef typeString = CFSTR("");
CGPoint *points = element->points;
switch(element->type) {
case kCGPathElementMoveToPoint:
CFStringAppendFormat(string, 0, CFSTR("M%.2f,%.2f"), points[0].x, points[0].y);
break;
case kCGPathElementAddLineToPoint:
CFStringAppendFormat(string, 0, CFSTR("L%.2f,%.2f"), points[0].x, points[0].y);
break;
case kCGPathElementAddQuadCurveToPoint:
CFStringAppendFormat(string, 0, CFSTR("Q%.2f,%.2f,%.2f,%.2f"),
points[0].x, points[0].y, points[1].x, points[1].y);
break;
case kCGPathElementAddCurveToPoint:
CFStringAppendFormat(string, 0, CFSTR("C%.2f,%.2f,%.2f,%.2f,%.2f,%.2f"),
points[0].x, points[0].y, points[1].x, points[1].y,
points[2].x, points[2].y);
break;
case kCGPathElementCloseSubpath:
typeString = CFSTR("X"); break;
}
}
CFStringRef CFStringFromCGPath(CGPathRef path)
{
if (!path)
return 0;
CFMutableStringRef string = CFStringCreateMutable(NULL, 0);
CGPathApply(path, string, CGPathToCFStringApplierFunction);
return string;
}
}
#endif // SVG_SUPPORT