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changeset 2102:0975e24a3670

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Merged r3007:3008 from branches/SDL-1.2: MapRGB/MapRGBA const correctness.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 04 Apr 2007 09:43:53 +0000
parents c4e0afbcf1f6
children 4a010418f3b9
files include/SDL_video.h src/video/SDL_pixels.c
diffstat 2 files changed, 10 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/include/SDL_video.h	Wed Apr 04 09:36:25 2007 +0000
+++ b/include/SDL_video.h	Wed Apr 04 09:43:53 2007 +0000
@@ -1300,15 +1300,16 @@
 /*
  * Maps an RGB triple to an opaque pixel value for a given pixel format
  */
-extern DECLSPEC Uint32 SDLCALL SDL_MapRGB
-    (SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b);
+extern DECLSPEC Uint32 SDLCALL SDL_MapRGB(const SDL_PixelFormat * const format,
+                                          const Uint8 r, const Uint8 g,
+                                          const Uint8 b);
 
 /*
  * Maps an RGBA quadruple to a pixel value for a given pixel format
  */
-extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat * format,
-                                           Uint8 r, Uint8 g, Uint8 b,
-                                           Uint8 a);
+extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(const SDL_PixelFormat * const fmt,
+                                           const Uint8 r, const Uint8 g,
+                                           const Uint8 b, const Uint8 a);
 
 /*
  * Maps a pixel value into the RGB components for a given pixel format
--- a/src/video/SDL_pixels.c	Wed Apr 04 09:36:25 2007 +0000
+++ b/src/video/SDL_pixels.c	Wed Apr 04 09:43:53 2007 +0000
@@ -537,7 +537,8 @@
 
 /* Find the opaque pixel value corresponding to an RGB triple */
 Uint32
-SDL_MapRGB(SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b)
+SDL_MapRGB(const SDL_PixelFormat * const format, const Uint8 r, const Uint8 g,
+           const Uint8 b)
 {
     if (format->palette == NULL) {
         return (r >> format->Rloss) << format->Rshift
@@ -550,7 +551,8 @@
 
 /* Find the pixel value corresponding to an RGBA quadruple */
 Uint32
-SDL_MapRGBA(SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+SDL_MapRGBA(const SDL_PixelFormat * const format, const Uint8 r, const Uint8 g,
+            const Uint8 b, const Uint8 a)
 {
     if (format->palette == NULL) {
         return (r >> format->Rloss) << format->Rshift