GdkPixbuf* BitmapImage::getGdkPixbuf()
{
cairo_surface_t* frame = frameAtIndex(currentFrame());
if (!frame)
return 0;
return cairoImageSurfaceToGdkPixbuf(frame);
}
String ImageBuffer::toDataURL(const String& mimeType, const double* quality) const
{
ASSERT(MIMETypeRegistry::isSupportedImageMIMETypeForEncoding(mimeType));
if (!mimeType.startsWith("image/"))
return "data:,";
// List of supported image types comes from the GdkPixbuf documentation.
// http://library.gnome.org/devel/gdk-pixbuf/stable/gdk-pixbuf-file-saving.html#gdk-pixbuf-save-to-bufferv
String type = mimeType.substring(sizeof "image");
if (type != "jpeg" && type != "png" && type != "tiff" && type != "ico" && type != "bmp")
return "data:,";
PlatformRefPtr<GdkPixbuf> pixbuf = cairoImageSurfaceToGdkPixbuf(m_data.m_surface);
if (!pixbuf)
return "data:,";
GOwnPtr<gchar> buffer(0);
gsize bufferSize;
GError* error = 0;
gboolean success = FALSE;
if (type == "jpeg" && quality && *quality >= 0.0 && *quality <= 1.0) {
String qualityString = String::format("%f", *quality);
success = gdk_pixbuf_save_to_buffer(pixbuf.get(), &buffer.outPtr(), &bufferSize,
type.utf8().data(), &error, "quality", qualityString.utf8().data(), NULL);
} else {
success = gdk_pixbuf_save_to_buffer(pixbuf.get(), &buffer.outPtr(), &bufferSize, type.utf8().data(), &error, NULL);
}
if (!success)
return "data:,";
Vector<char> out;
base64Encode(reinterpret_cast<const char*>(buffer.get()), bufferSize, out);
out.append('\0');
return String::format("data:%s;base64,%s", mimeType.utf8().data(), out.data());
}
GdkPixbuf* BitmapImage::getGdkPixbuf()
{
return cairoImageSurfaceToGdkPixbuf(frameAtIndex(currentFrame()));
}
GdkPixbuf* BitmapImage::getGdkPixbuf()
{
RefPtr<cairo_surface_t> surface = nativeImageForCurrentFrame();
return surface ? cairoImageSurfaceToGdkPixbuf(surface.get()) : 0;
}
