/* * Copyright (C) 2005-2018 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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. */ #import "config.h" #import "WKGraphics.h" #if PLATFORM(IOS_FAMILY) #import "WebCoreThreadInternal.h" #import <pal/spi/cg/CoreGraphicsSPI.h> static inline void _FillRectsUsingOperation(CGContextRef context, const CGRect* rects, int count, CGCompositeOperation op) { int i; CGRect *integralRects = reinterpret_cast<CGRect *>(alloca(sizeof(CGRect) * count)); assert (integralRects); for (i = 0; i < count; i++) { integralRects[i] = CGRectApplyAffineTransform (rects[i], CGContextGetCTM(context)); integralRects[i] = CGRectIntegral (integralRects[i]); integralRects[i] = CGRectApplyAffineTransform (integralRects[i], CGAffineTransformInvert(CGContextGetCTM(context))); } CGCompositeOperation oldOp = CGContextGetCompositeOperation(context); CGContextSetCompositeOperation(context, op); CGContextFillRects(context, integralRects, count); CGContextSetCompositeOperation(context, oldOp); } void WKRectFill(CGContextRef context, CGRect aRect) { if (aRect.size.width > 0 && aRect.size.height > 0) { CGContextSaveGState(context); if (aRect.size.width > 0 && aRect.size.height > 0) _FillRectsUsingOperation(context, &aRect, 1, kCGCompositeCopy); CGContextRestoreGState(context); } } void WKSetCurrentGraphicsContext(CGContextRef context) { WebThreadContext* threadContext = WebThreadCurrentContext(); threadContext->currentCGContext = context; } CGContextRef WKGetCurrentGraphicsContext(void) { WebThreadContext* threadContext = WebThreadCurrentContext(); return threadContext->currentCGContext; } #endif // PLATFORM(IOS_FAMILY)