Move classes depending on Skia out of base/gfx and into app/gfx. Rename...

base/gfx/gtk_util.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/gfx/gtk_util.h"
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
-#include <stdlib.h>
-
-#include "base/basictypes.h"
-#include "base/gfx/rect.h"
-#include "base/linux_util.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "third_party/skia/include/core/SkUnPreMultiply.h"
-
-namespace {
-
-void FreePixels(guchar* pixels, gpointer data) {
-  free(data);
-}
-
-}  // namespace
-
-namespace gfx {
-
-const GdkColor kGdkWhite = GDK_COLOR_RGB(0xff, 0xff, 0xff);
-const GdkColor kGdkBlack = GDK_COLOR_RGB(0x00, 0x00, 0x00);
-const GdkColor kGdkGreen = GDK_COLOR_RGB(0x00, 0xff, 0x00);
-
-GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap* bitmap) {
-  bitmap->lockPixels();
-  int width = bitmap->width();
-  int height = bitmap->height();
-  int stride = bitmap->rowBytes();
-
-  // SkBitmaps are premultiplied, we need to unpremultiply them.
-  const int kBytesPerPixel = 4;
-  uint8* divided = static_cast<uint8*>(malloc(height * stride));
-
-  for (int y = 0, i = 0; y < height; y++) {
-    for (int x = 0; x < width; x++) {
-      uint32 pixel = bitmap->getAddr32(0, y)[x];
-
-      int alpha = SkColorGetA(pixel);
-      if (alpha != 0 && alpha != 255) {
-        SkColor unmultiplied = SkUnPreMultiply::PMColorToColor(pixel);
-        divided[i + 0] = SkColorGetR(unmultiplied);
-        divided[i + 1] = SkColorGetG(unmultiplied);
-        divided[i + 2] = SkColorGetB(unmultiplied);
-        divided[i + 3] = alpha;
-      } else {
-        divided[i + 0] = SkColorGetR(pixel);
-        divided[i + 1] = SkColorGetG(pixel);
-        divided[i + 2] = SkColorGetB(pixel);
-        divided[i + 3] = alpha;
-      }
-      i += kBytesPerPixel;
-    }
-  }
-
-  // This pixbuf takes ownership of our malloc()ed data and will
-  // free it for us when it is destroyed.
-  GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(
-      divided,
-      GDK_COLORSPACE_RGB,  // The only colorspace gtk supports.
-      true,  // There is an alpha channel.
-      8,
-      width, height, stride, &FreePixels, divided);
-
-  bitmap->unlockPixels();
-  return pixbuf;
-}
-
-void SubtractRectanglesFromRegion(GdkRegion* region,
-                                  const std::vector<Rect>& cutouts) {
-  for (size_t i = 0; i < cutouts.size(); ++i) {
-    GdkRectangle rect = cutouts[i].ToGdkRectangle();
-    GdkRegion* rect_region = gdk_region_rectangle(&rect);
-    gdk_region_subtract(region, rect_region);
-    // TODO(deanm): It would be nice to be able to reuse the GdkRegion here.
-    gdk_region_destroy(rect_region);
-  }
-}
-
-}  // namespace gfx