Remove Cairo support.

Source/WebCore/platform/graphics/win/GraphicsContextCairoWin.cpp

Index: Source/WebCore/platform/graphics/win/GraphicsContextCairoWin.cpp
diff --git a/Source/WebCore/platform/graphics/win/GraphicsContextCairoWin.cpp b/Source/WebCore/platform/graphics/win/GraphicsContextCairoWin.cpp
deleted file mode 100644
index 39b8cbf4fa959c13ceb52d749021318b876fd100..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/win/GraphicsContextCairoWin.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2008 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 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"
-#include "GraphicsContext.h"
-
-#include "AffineTransform.h"
-#include "DIBPixelData.h"
-#include "Path.h"
-
-#include <cairo-win32.h>
-#include "GraphicsContextPlatformPrivateCairo.h"
-
-using namespace std;
-
-namespace WebCore {
-
-#if PLATFORM(WIN)
-static cairo_t* createCairoContextWithHDC(HDC hdc, bool hasAlpha)
-{
-    // Put the HDC In advanced mode so it will honor affine transforms.
-    SetGraphicsMode(hdc, GM_ADVANCED);
-
-    cairo_surface_t* surface = 0;
-
-    HBITMAP bitmap = static_cast<HBITMAP>(GetCurrentObject(hdc, OBJ_BITMAP));
-
-    BITMAP info;
-    if (!GetObject(bitmap, sizeof(info), &info))
-        surface = cairo_win32_surface_create(hdc);
-    else {
-        ASSERT(info.bmBitsPixel == 32);
-
-        surface = cairo_image_surface_create_for_data((unsigned char*)info.bmBits,
-                                               CAIRO_FORMAT_ARGB32,
-                                               info.bmWidth,
-                                               info.bmHeight,
-                                               info.bmWidthBytes);
-    }
-
-    cairo_t* context = cairo_create(surface);
-    cairo_surface_destroy(surface);
-
-    return context;
-}
-
-GraphicsContext::GraphicsContext(HDC dc, bool hasAlpha)
-    : m_updatingControlTints(false),
-      m_transparencyCount(0)
-{
-    platformInit(dc, hasAlpha);
-}
-
-void GraphicsContext::platformInit(HDC dc, bool hasAlpha)
-{
-    cairo_t* cr = 0;
-    if (dc)
-        cr = createCairoContextWithHDC(dc, hasAlpha);
-    else
-        setPaintingDisabled(true);
-
-    m_data = new GraphicsContextPlatformPrivateToplevel(new PlatformContextCairo(cr));
-    m_data->m_hdc = dc;
-    if (platformContext()->cr()) {
-        // Make sure the context starts in sync with our state.
-        setPlatformFillColor(fillColor(), fillColorSpace());
-        setPlatformStrokeColor(strokeColor(), strokeColorSpace());
-    }
-    if (cr)
-        cairo_destroy(cr);
-}
-#endif
-
-static void setRGBABitmapAlpha(unsigned char* bytes, size_t length, unsigned char level)
-{
-    for (size_t i = 0; i < length; i += 4)
-        bytes[i + 3] = level;
-}
-
-static void drawBitmapToContext(GraphicsContextPlatformPrivate* context, cairo_t* cr, const DIBPixelData& pixelData, const IntSize& translate)
-{
-    // Need to make a cairo_surface_t out of the bitmap's pixel buffer and then draw
-    // it into our context.
-    cairo_surface_t* surface = cairo_image_surface_create_for_data(pixelData.buffer(),
-                                                                   CAIRO_FORMAT_ARGB32,
-                                                                   pixelData.size().width(),
-                                                                   pixelData.size().height(),
-                                                                   pixelData.bytesPerRow());
-
-    // Flip the target surface so that when we set the srcImage as
-    // the surface it will draw right-side-up.
-    cairo_save(cr);
-    cairo_translate(cr, static_cast<double>(translate.width()), static_cast<double>(translate.height()));
-    cairo_scale(cr, 1, -1);
-    cairo_set_source_surface(cr, surface, 0, 0);
-
-    if (context->layers.size())
-        cairo_paint_with_alpha(cr, context->layers.last());
-    else
-        cairo_paint(cr);
-     
-    // Delete all our junk.
-    cairo_surface_destroy(surface);
-    cairo_restore(cr);
-}
-
-void GraphicsContext::releaseWindowsContext(HDC hdc, const IntRect& dstRect, bool supportAlphaBlend, bool mayCreateBitmap)
-{
-    bool createdBitmap = mayCreateBitmap && (!m_data->m_hdc || isInTransparencyLayer());
-    if (!hdc || !createdBitmap) {
-        m_data->restore();
-        return;
-    }
-
-    if (dstRect.isEmpty())
-        return;
-
-    OwnPtr<HBITMAP> bitmap = adoptPtr(static_cast<HBITMAP>(GetCurrentObject(hdc, OBJ_BITMAP)));
-
-    DIBPixelData pixelData(bitmap.get());
-    ASSERT(pixelData.bitsPerPixel() == 32);
-
-    // If this context does not support alpha blending, then it may have
-    // been drawn with GDI functions which always set the alpha channel
-    // to zero. We need to manually set the bitmap to be fully opaque.
-    unsigned char* bytes = reinterpret_cast<unsigned char*>(pixelData.buffer());
-    if (!supportAlphaBlend)
-        setRGBABitmapAlpha(bytes, pixelData.size().height() * pixelData.bytesPerRow(), 255);
-
-    drawBitmapToContext(m_data, platformContext()->cr(), pixelData, IntSize(dstRect.x(), dstRect.height() + dstRect.y()));
-
-    ::DeleteDC(hdc);
-}
-
-#if PLATFORM(WIN)
-void GraphicsContext::drawWindowsBitmap(WindowsBitmap* bitmap, const IntPoint& point)
-{
-    drawBitmapToContext(m_data, platformContext()->cr(), bitmap->windowsDIB(), IntSize(point.x(), bitmap->size().height() + point.y()));
-}
-
-void GraphicsContextPlatformPrivate::syncContext(cairo_t* cr)
-{
-    if (!cr)
-       return;
-
-    cairo_surface_t* surface = cairo_get_target(cr);
-    m_hdc = cairo_win32_surface_get_dc(surface);   
-
-    SetGraphicsMode(m_hdc, GM_ADVANCED); // We need this call for themes to honor world transforms.
-}
-
-void GraphicsContextPlatformPrivate::flush()
-{
-    cairo_surface_t* surface = cairo_win32_surface_create(m_hdc);
-    cairo_surface_flush(surface);
-    cairo_surface_destroy(surface);
-}
-#endif
-
-}