Got rid of OSystem::colorToRGB and RGBToColor; added implementations for OSystem::getOverlayFormat to several ports (pending testing by the porters)

svn-id: r34912

2 files changed, 1 insertions, 13 deletions

diff --git a/backends/platform/ps2/systemps2.cpp b/backends/platform/ps2/systemps2.cpp
index 85eb303e86..aac399ee23 100644
--- a/backends/platform/ps2/systemps2.cpp
+++ b/backends/platform/ps2/systemps2.cpp
@@ -641,16 +641,6 @@ bool OSystem_PS2::pollEvent(Common::Event &event) {
 	return res;
 }
 
-OverlayColor OSystem_PS2::RGBToColor(uint8 r, uint8 g, uint8 b) {
-	return (r >> 3) | ((g >> 3) << 5) | ((b >> 3) << 10);
-}
-
-void OSystem_PS2::colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b) {
-	r = (color & 0x1F) << 3;
-	g = ((color >> 5) & 0x1F) << 3;
-	b = ((color >> 10) & 0x1F) << 3;
-}
-
 int16 OSystem_PS2::getHeight(void) {
 	return _screen->getHeight();
 }
diff --git a/backends/platform/ps2/systemps2.h b/backends/platform/ps2/systemps2.h
index 9539baf4f5..e4ac410caa 100644
--- a/backends/platform/ps2/systemps2.h
+++ b/backends/platform/ps2/systemps2.h
@@ -110,9 +110,7 @@ public:
 	virtual Common::SeekableReadStream *openConfigFileForReading();
 	virtual Common::WriteStream *openConfigFileForWriting();
 
-	virtual OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
-
-	virtual void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);
+	virtual Graphics::PixelFormat getOverlayFormat() const { return Graphics::createPixelFormat<555>(); }
 
 	virtual Common::SaveFileManager *getSavefileManager();
 	virtual FilesystemFactory *getFilesystemFactory();