diff src/video/SDL_gamma.c @ 1668:4da1ee79c9af SDL-1.3

more tweaking indent options
author Sam Lantinga <slouken@libsdl.org>
date Mon, 29 May 2006 04:04:35 +0000
parents 782fd950bd46
children 8e754b82cecc
line wrap: on
line diff
--- a/src/video/SDL_gamma.c	Mon May 29 03:53:21 2006 +0000
+++ b/src/video/SDL_gamma.c	Mon May 29 04:04:35 2006 +0000
@@ -39,7 +39,7 @@
 
 
 static void
-CalculateGammaRamp (float gamma, Uint16 * ramp)
+CalculateGammaRamp(float gamma, Uint16 * ramp)
 {
     int i;
 
@@ -62,7 +62,7 @@
         int value;
         gamma = 1.0f / gamma;
         for (i = 0; i < 256; ++i) {
-            value = (int) (pow ((double) i / 256.0, gamma) * 65535.0 + 0.5);
+            value = (int) (pow((double) i / 256.0, gamma) * 65535.0 + 0.5);
             if (value > 65535) {
                 value = 65535;
             }
@@ -71,7 +71,7 @@
     }
 }
 static void
-CalculateGammaFromRamp (float *gamma, Uint16 * ramp)
+CalculateGammaFromRamp(float *gamma, Uint16 * ramp)
 {
     /* The following is adapted from a post by Garrett Bass on OpenGL
        Gamedev list, March 4, 2000.
@@ -84,7 +84,7 @@
         if ((ramp[i] != 0) && (ramp[i] != 65535)) {
             double B = (double) i / 256.0;
             double A = ramp[i] / 65535.0;
-            sum += (float) (log (A) / log (B));
+            sum += (float) (log(A) / log(B));
             count++;
         }
     }
@@ -94,9 +94,9 @@
 }
 
 int
-SDL_SetGamma (float red, float green, float blue)
+SDL_SetGamma(float red, float green, float blue)
 {
-    SDL_VideoDevice *_this = SDL_GetVideoDevice ();
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
     int succeeded;
 
     succeeded = -1;
@@ -104,14 +104,14 @@
     {
         Uint16 ramp[3][256];
 
-        CalculateGammaRamp (red, ramp[0]);
-        CalculateGammaRamp (green, ramp[1]);
-        CalculateGammaRamp (blue, ramp[2]);
-        succeeded = SDL_SetGammaRamp (ramp[0], ramp[1], ramp[2]);
+        CalculateGammaRamp(red, ramp[0]);
+        CalculateGammaRamp(green, ramp[1]);
+        CalculateGammaRamp(blue, ramp[2]);
+        succeeded = SDL_SetGammaRamp(ramp[0], ramp[1], ramp[2]);
     }
     if ((succeeded < 0) && _this->SetGamma) {
-        SDL_ClearError ();
-        succeeded = _this->SetGamma (_this, red, green, blue);
+        SDL_ClearError();
+        succeeded = _this->SetGamma(_this, red, green, blue);
     }
     return succeeded;
 }
@@ -120,9 +120,9 @@
    so this function isn't officially supported.
 */
 int
-SDL_GetGamma (float *red, float *green, float *blue)
+SDL_GetGamma(float *red, float *green, float *blue)
 {
-    SDL_VideoDevice *_this = SDL_GetVideoDevice ();
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
     int succeeded;
 
     succeeded = -1;
@@ -130,79 +130,79 @@
     {
         Uint16 ramp[3][256];
 
-        succeeded = SDL_GetGammaRamp (ramp[0], ramp[1], ramp[2]);
+        succeeded = SDL_GetGammaRamp(ramp[0], ramp[1], ramp[2]);
         if (succeeded >= 0) {
-            CalculateGammaFromRamp (red, ramp[0]);
-            CalculateGammaFromRamp (green, ramp[1]);
-            CalculateGammaFromRamp (blue, ramp[2]);
+            CalculateGammaFromRamp(red, ramp[0]);
+            CalculateGammaFromRamp(green, ramp[1]);
+            CalculateGammaFromRamp(blue, ramp[2]);
         }
     }
     if ((succeeded < 0) && _this->GetGamma) {
-        SDL_ClearError ();
-        succeeded = _this->GetGamma (_this, red, green, blue);
+        SDL_ClearError();
+        succeeded = _this->GetGamma(_this, red, green, blue);
     }
     return succeeded;
 }
 
 int
-SDL_SetGammaRamp (const Uint16 * red, const Uint16 * green,
-                  const Uint16 * blue)
+SDL_SetGammaRamp(const Uint16 * red, const Uint16 * green,
+                 const Uint16 * blue)
 {
-    SDL_VideoDevice *_this = SDL_GetVideoDevice ();
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
     int succeeded;
     SDL_Surface *screen = SDL_PublicSurface;
 
     /* Verify the screen parameter */
     if (!screen) {
-        SDL_SetError ("No video mode has been set");
+        SDL_SetError("No video mode has been set");
         return -1;
     }
 
     /* Lazily allocate the gamma tables */
     if (!SDL_CurrentWindow.gamma) {
-        SDL_GetGammaRamp (0, 0, 0);
+        SDL_GetGammaRamp(0, 0, 0);
     }
 
     /* Fill the gamma table with the new values */
     if (red) {
-        SDL_memcpy (&SDL_CurrentWindow.gamma[0 * 256], red,
-                    256 * sizeof (*SDL_CurrentWindow.gamma));
+        SDL_memcpy(&SDL_CurrentWindow.gamma[0 * 256], red,
+                   256 * sizeof(*SDL_CurrentWindow.gamma));
     }
     if (green) {
-        SDL_memcpy (&SDL_CurrentWindow.gamma[1 * 256], green,
-                    256 * sizeof (*SDL_CurrentWindow.gamma));
+        SDL_memcpy(&SDL_CurrentWindow.gamma[1 * 256], green,
+                   256 * sizeof(*SDL_CurrentWindow.gamma));
     }
     if (blue) {
-        SDL_memcpy (&SDL_CurrentWindow.gamma[2 * 256], blue,
-                    256 * sizeof (*SDL_CurrentWindow.gamma));
+        SDL_memcpy(&SDL_CurrentWindow.gamma[2 * 256], blue,
+                   256 * sizeof(*SDL_CurrentWindow.gamma));
     }
 
     /* Try to set the gamma ramp in the driver */
     succeeded = -1;
     if (_this->SetGammaRamp) {
-        succeeded = _this->SetGammaRamp (_this, SDL_CurrentWindow.gamma);
+        succeeded = _this->SetGammaRamp(_this, SDL_CurrentWindow.gamma);
     } else {
-        SDL_SetError ("Gamma ramp manipulation not supported");
+        SDL_SetError("Gamma ramp manipulation not supported");
     }
     return succeeded;
 }
 
 int
-SDL_GetGammaRamp (Uint16 * red, Uint16 * green, Uint16 * blue)
+SDL_GetGammaRamp(Uint16 * red, Uint16 * green, Uint16 * blue)
 {
-    SDL_VideoDevice *_this = SDL_GetVideoDevice ();
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
 
     /* Lazily allocate the gamma table */
     if (!SDL_CurrentWindow.gamma) {
         SDL_CurrentWindow.gamma =
-            SDL_malloc (3 * 256 * sizeof (*SDL_CurrentWindow.gamma));
+            SDL_malloc(3 * 256 * sizeof(*SDL_CurrentWindow.gamma));
         if (!SDL_CurrentWindow.gamma) {
-            SDL_OutOfMemory ();
+            SDL_OutOfMemory();
             return -1;
         }
         if (_this->GetGammaRamp) {
             /* Get the real hardware gamma */
-            _this->GetGammaRamp (_this, SDL_CurrentWindow.gamma);
+            _this->GetGammaRamp(_this, SDL_CurrentWindow.gamma);
         } else {
             /* Assume an identity gamma */
             int i;
@@ -216,16 +216,16 @@
 
     /* Just copy from our internal table */
     if (red) {
-        SDL_memcpy (red, &SDL_CurrentWindow.gamma[0 * 256],
-                    256 * sizeof (*red));
+        SDL_memcpy(red, &SDL_CurrentWindow.gamma[0 * 256],
+                   256 * sizeof(*red));
     }
     if (green) {
-        SDL_memcpy (green, &SDL_CurrentWindow.gamma[1 * 256],
-                    256 * sizeof (*green));
+        SDL_memcpy(green, &SDL_CurrentWindow.gamma[1 * 256],
+                   256 * sizeof(*green));
     }
     if (blue) {
-        SDL_memcpy (blue, &SDL_CurrentWindow.gamma[2 * 256],
-                    256 * sizeof (*blue));
+        SDL_memcpy(blue, &SDL_CurrentWindow.gamma[2 * 256],
+                   256 * sizeof(*blue));
     }
     return 0;
 }