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Diffstat (limited to 'base/gfx/gtk_util.cc')
-rw-r--r-- | base/gfx/gtk_util.cc | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/base/gfx/gtk_util.cc b/base/gfx/gtk_util.cc deleted file mode 100644 index 1611c94..0000000 --- a/base/gfx/gtk_util.cc +++ /dev/null @@ -1,86 +0,0 @@ -// 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 |