/* * Copyright (C) 2003, 2004, 2005, 2006 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. ``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 * 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 "ColorMac.h" #import <wtf/BlockObjCExceptions.h> #import <wtf/RetainPtr.h> #import <wtf/StdLibExtras.h> namespace WebCore { static bool useOldAquaFocusRingColor; RGBA32 oldAquaFocusRingColor() { return 0xFF7DADD9; } void setUsesTestModeFocusRingColor(bool newValue) { useOldAquaFocusRingColor = newValue; } bool usesTestModeFocusRingColor() { return useOldAquaFocusRingColor; } static RGBA32 makeRGBAFromNSColor(NSColor *c) { CGFloat redComponent; CGFloat greenComponent; CGFloat blueComponent; CGFloat alpha; BEGIN_BLOCK_OBJC_EXCEPTIONS; NSColor *rgbColor = [c colorUsingColorSpaceName:NSDeviceRGBColorSpace]; if (!rgbColor) return makeRGBA(0, 0, 0, 0); [rgbColor getRed:&redComponent green:&greenComponent blue:&blueComponent alpha:&alpha]; END_BLOCK_OBJC_EXCEPTIONS; return makeRGBA(255 * redComponent, 255 * greenComponent, 255 * blueComponent, 255 * alpha); } Color colorFromNSColor(NSColor *c) { return Color(makeRGBAFromNSColor(c)); } NSColor *nsColor(const Color& color) { RGBA32 c = color.rgb(); switch (c) { case 0: { // Need this to avoid returning nil because cachedRGBAValues will default to 0. static NSColor *clearColor = [[NSColor colorWithDeviceRed:0 green:0 blue:0 alpha:0] retain]; return clearColor; } case Color::black: { static NSColor *blackColor = [[NSColor colorWithDeviceRed:0 green:0 blue:0 alpha:1] retain]; return blackColor; } case Color::white: { static NSColor *whiteColor = [[NSColor colorWithDeviceRed:1 green:1 blue:1 alpha:1] retain]; return whiteColor; } default: { const int cacheSize = 32; static unsigned cachedRGBAValues[cacheSize]; static RetainPtr<NSColor>* cachedColors = new RetainPtr<NSColor>[cacheSize]; for (int i = 0; i != cacheSize; ++i) { if (cachedRGBAValues[i] == c) return cachedColors[i].get(); } NSColor *result = [NSColor colorWithDeviceRed:static_cast<CGFloat>(color.red()) / 255 green:static_cast<CGFloat>(color.green()) / 255 blue:static_cast<CGFloat>(color.blue()) / 255 alpha:static_cast<CGFloat>(color.alpha()) / 255]; static int cursor; cachedRGBAValues[cursor] = c; cachedColors[cursor] = result; if (++cursor == cacheSize) cursor = 0; return result; } } } } // namespace WebCore