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-rw-r--r--gfx/gtk_util.cc212
1 files changed, 0 insertions, 212 deletions
diff --git a/gfx/gtk_util.cc b/gfx/gtk_util.cc
deleted file mode 100644
index fc240e0..0000000
--- a/gfx/gtk_util.cc
+++ /dev/null
@@ -1,212 +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 "gfx/gtk_util.h"
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
-#include <stdlib.h>
-
-#include "base/basictypes.h"
-#include "base/command_line.h"
-#include "base/linux_util.h"
-#include "gfx/rect.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "third_party/skia/include/core/SkUnPreMultiply.h"
-
-namespace {
-
-// A process wide singleton that manages our usage of gdk
-// cursors. gdk_cursor_new() hits the disk in several places and GdkCursor
-// instances can be reused throughout the process.
-class GdkCursorCache {
- public:
- GdkCursorCache() {}
- ~GdkCursorCache() {
- for (std::map<GdkCursorType, GdkCursor*>::iterator it =
- cursor_cache_.begin(); it != cursor_cache_.end(); ++it) {
- gdk_cursor_unref(it->second);
- }
- cursor_cache_.clear();
- }
-
- GdkCursor* GetCursorImpl(GdkCursorType type) {
- std::map<GdkCursorType, GdkCursor*>::iterator it = cursor_cache_.find(type);
- GdkCursor* cursor = NULL;
- if (it == cursor_cache_.end()) {
- cursor = gdk_cursor_new(type);
- cursor_cache_.insert(std::make_pair(type, cursor));
- } else {
- cursor = it->second;
- }
-
- // It is not necessary to add a reference here. The callers can ref the
- // cursor if they need it for something.
- return cursor;
- }
-
- std::map<GdkCursorType, GdkCursor*> cursor_cache_;
-
- DISALLOW_COPY_AND_ASSIGN(GdkCursorCache);
-};
-
-void FreePixels(guchar* pixels, gpointer data) {
- free(data);
-}
-
-// Common implementation of ConvertAcceleratorsFromWindowsStyle() and
-// RemoveWindowsStyleAccelerators().
-// Replaces all ampersands (as used in our grd files to indicate mnemonics)
-// to |target|. Similarly any underscores get replaced with two underscores as
-// is needed by pango.
-std::string ConvertAmperstandsTo(const std::string& label,
- const std::string& target) {
- std::string ret;
- ret.reserve(label.length() * 2);
- for (size_t i = 0; i < label.length(); ++i) {
- if ('_' == label[i]) {
- ret.push_back('_');
- ret.push_back('_');
- } else if ('&' == label[i]) {
- if (i + 1 < label.length() && '&' == label[i + 1]) {
- ret.push_back('&');
- ++i;
- } else {
- ret.append(target);
- }
- } else {
- ret.push_back(label[i]);
- }
- }
-
- return ret;
-}
-
-} // namespace
-
-namespace gfx {
-
-void GtkInitFromCommandLine(const CommandLine& command_line) {
- const std::vector<std::string>& args = command_line.argv();
- int argc = args.size();
- scoped_array<char *> argv(new char *[argc + 1]);
- for (size_t i = 0; i < args.size(); ++i) {
- // TODO(piman@google.com): can gtk_init modify argv? Just being safe
- // here.
- argv[i] = strdup(args[i].c_str());
- }
- argv[argc] = NULL;
- char **argv_pointer = argv.get();
-
- gtk_init(&argc, &argv_pointer);
- for (size_t i = 0; i < args.size(); ++i) {
- free(argv[i]);
- }
-}
-
-GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap* bitmap) {
- if (bitmap->isNull())
- return NULL;
-
- 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);
- }
-}
-
-double GetPangoResolution() {
- static double resolution;
- static bool determined_resolution = false;
- if (!determined_resolution) {
- determined_resolution = true;
- PangoContext* default_context = gdk_pango_context_get();
- resolution = pango_cairo_context_get_resolution(default_context);
- g_object_unref(default_context);
- }
- return resolution;
-}
-
-GdkCursor* GetCursor(int type) {
- static GdkCursorCache impl;
- return impl.GetCursorImpl(static_cast<GdkCursorType>(type));
-}
-
-std::string ConvertAcceleratorsFromWindowsStyle(const std::string& label) {
- return ConvertAmperstandsTo(label, "_");
-}
-
-std::string RemoveWindowsStyleAccelerators(const std::string& label) {
- return ConvertAmperstandsTo(label, "");
-}
-
-uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride) {
- if (stride == 0)
- stride = width * 4;
-
- uint8_t* new_pixels = static_cast<uint8_t*>(malloc(height * stride));
-
- // We have to copy the pixels and swap from BGRA to RGBA.
- for (int i = 0; i < height; ++i) {
- for (int j = 0; j < width; ++j) {
- int idx = i * stride + j * 4;
- new_pixels[idx] = pixels[idx + 2];
- new_pixels[idx + 1] = pixels[idx + 1];
- new_pixels[idx + 2] = pixels[idx];
- new_pixels[idx + 3] = pixels[idx + 3];
- }
- }
-
- return new_pixels;
-}
-
-} // namespace gfx
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