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-rw-r--r--gfx/gtk_util.cc61
1 files changed, 56 insertions, 5 deletions
diff --git a/gfx/gtk_util.cc b/gfx/gtk_util.cc
index bbed191..c45e133 100644
--- a/gfx/gtk_util.cc
+++ b/gfx/gtk_util.cc
@@ -20,15 +20,38 @@ 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 {
-const GdkColor kGdkWhite = GDK_COLOR_RGB(0xff, 0xff, 0xff);
-const GdkColor kGdkGray = GDK_COLOR_RGB(0x7f, 0x7f, 0x7f);
-const GdkColor kGdkBlack = GDK_COLOR_RGB(0x00, 0x00, 0x00);
-const GdkColor kGdkGreen = GDK_COLOR_RGB(0x00, 0xff, 0x00);
-
GdkPixbuf* GdkPixbufFromSkBitmap(const SkBitmap* bitmap) {
if (bitmap->isNull())
return NULL;
@@ -104,4 +127,32 @@ double GetPangoResolution() {
return resolution;
}
+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