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changeset 2806:938aa47f903a

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Fixed testalpha screen clear for screen formats with an alpha channel
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Nov 2008 11:24:18 +0000
parents 2ed5ff5373d8
children 365fe1a2aad5
files test/testalpha.c
diffstat 1 files changed, 35 insertions(+), 35 deletions(-) [+]
line wrap: on
line diff
--- a/test/testalpha.c	Sat Nov 29 10:43:50 2008 +0000
+++ b/test/testalpha.c	Sat Nov 29 11:24:18 2008 +0000
@@ -36,44 +36,43 @@
     }
     buffer = (Uint8 *) screen->pixels;
     switch (screen->format->BytesPerPixel) {
-        case 1:
-        case 3:
-            for (i = 0; i < screen->h; ++i) {
-                memset(buffer, (i * 255) / screen->h,
-                       screen->w * screen->format->BytesPerPixel);
-                buffer += screen->pitch;
-            }
-            break;
-        case 2:
-            for (i = 0; i < screen->h; ++i) {
-                Uint16 *buffer16;
-                Uint16 color;
+    case 1:
+    case 3:
+        for (i = 0; i < screen->h; ++i) {
+            memset(buffer, (i * 255) / screen->h,
+                   screen->w * screen->format->BytesPerPixel);
+            buffer += screen->pitch;
+        }
+        break;
+    case 2:
+        for (i = 0; i < screen->h; ++i) {
+            Uint16 *buffer16;
+            Uint16 color;
 
-                gradient = ((i * 255) / screen->h);
-                color = (Uint16) SDL_MapRGB(screen->format,
-                                            gradient, gradient, gradient);
-                buffer16 = (Uint16 *) buffer;
-                for (k = 0; k < screen->w; k++) {
-                    *buffer16++ = color;
-                }
-                buffer += screen->pitch;
+            gradient = ((i * 255) / screen->h);
+            color = (Uint16) SDL_MapRGB(screen->format,
+                                        gradient, gradient, gradient);
+            buffer16 = (Uint16 *) buffer;
+            for (k = 0; k < screen->w; k++) {
+                *buffer16++ = color;
             }
-            break;
-        case 4:
-            for (i = 0; i < screen->h; ++i) {
-                Uint32 *buffer32;
-                Uint32 color;
+            buffer += screen->pitch;
+        }
+        break;
+    case 4:
+        for (i = 0; i < screen->h; ++i) {
+            Uint32 *buffer32;
+            Uint32 color;
 
-                gradient = ((i * 255) / screen->h);
-                color = SDL_MapRGB(screen->format,
-                                   gradient, gradient, gradient);
-                buffer32 = (Uint32 *) buffer;
-                for (k = 0; k < screen->w; k++) {
-                    *buffer32++ = color;
-                }
-                buffer += screen->pitch;
+            gradient = ((i * 255) / screen->h);
+            color = SDL_MapRGB(screen->format, gradient, gradient, gradient);
+            buffer32 = (Uint32 *) buffer;
+            for (k = 0; k < screen->w; k++) {
+                *buffer32++ = color;
             }
-            break;
+            buffer += screen->pitch;
+        }
+        break;
     }
 
     SDL_UnlockSurface(screen);
@@ -523,7 +522,8 @@
                     area.y = event.button.y - 16;
                     area.w = 32;
                     area.h = 32;
-                    SDL_FillRect(screen, &area, SDL_MapRGB(screen->format, 0, 0, 0));
+                    SDL_FillRect(screen, &area,
+                                 SDL_MapRGB(screen->format, 0, 0, 0));
                     SDL_UpdateRects(screen, 1, &area);
                 }
                 break;