Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/mac/ColorMac.mm

Index: Source/core/platform/graphics/mac/ColorMac.mm
diff --git a/Source/core/platform/graphics/mac/ColorMac.mm b/Source/core/platform/graphics/mac/ColorMac.mm
deleted file mode 100644
index 48ff8e47f78c18444f96659030052def61cfccdb..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/mac/ColorMac.mm
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2003, 2004, 2005, 2006 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. 
- */
-
-#import "config.h"
-#import "core/platform/graphics/mac/ColorMac.h"
-
-#import <wtf/RetainPtr.h>
-#import <wtf/StdLibExtras.h>
-
-namespace WebCore {
-
-// NSColor calls don't throw, so no need to block Cocoa exceptions in this file
-
-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;
-    [c getRed:&redComponent green:&greenComponent blue:&blueComponent alpha:&alpha];
-
-    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.
-            DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, clearColor, ([NSColor colorWithDeviceRed:0 green:0 blue:0 alpha:0]));
-            return clearColor.get();
-        }
-        case Color::black: {
-            DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, blackColor, ([NSColor colorWithDeviceRed:0 green:0 blue:0 alpha:1]));
-            return blackColor.get();
-        }
-        case Color::white: {
-            DEFINE_STATIC_LOCAL(RetainPtr<NSColor>, whiteColor, ([NSColor colorWithDeviceRed:1 green:1 blue:1 alpha:1]));
-            return whiteColor.get();
-        }
-        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