diff test/automated/surface/surface.c @ 3259:22ac66da0765

Merged Edgar's code changes from Google Summer of Code 2009
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 05:06:34 +0000
parents
children 0acec8c9f5c9
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/automated/surface/surface.c	Mon Sep 07 05:06:34 2009 +0000
@@ -0,0 +1,596 @@
+/**
+ * Automated SDL_Surface test.
+ *
+ * Written by Edgar Simo "bobbens"
+ *
+ * Released under Public Domain.
+ */
+
+
+#include "SDL.h"
+#include "SDL_surface.h"
+#include "SDL_video.h"
+#include "SDL_at.h"
+
+#include "common/common.h"
+
+
+/*
+ * Pull in images for testcases.
+ */
+#include "common/images.h"
+
+
+/*
+ * Prototypes.
+ */
+/* Testcases. */
+static void surface_testLoad( SDL_Surface *testsur );
+static void surface_testPrimitives( SDL_Surface *testsur );
+static void surface_testPrimitivesBlend( SDL_Surface *testsur );
+static void surface_testBlit( SDL_Surface *testsur );
+static int surface_testBlitBlendMode( SDL_Surface *testsur, SDL_Surface *face, int mode );
+static void surface_testBlitBlend( SDL_Surface *testsur );
+
+
+/**
+ * @brief Tests sprite loading.
+ */
+static void surface_testLoad( SDL_Surface *testsur )
+{
+   int ret;
+   SDL_Surface *face, *rface;
+
+   SDL_ATbegin( "Load Test" );
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Create the blit surface. */
+   face = SDL_LoadBMP("../icon.bmp");
+   if (SDL_ATassert( "SDL_CreateLoadBmp", face != NULL))
+      return;
+
+   /* Set transparent pixel as the pixel at (0,0) */
+   if (face->format->palette) {
+      ret = SDL_SetColorKey(face, (SDL_SRCCOLORKEY | SDL_RLEACCEL),
+            *(Uint8 *) face->pixels);
+      if (SDL_ATassert( "SDL_SetColorKey", ret == 0))
+         return;
+   }
+
+   /* Convert to 32 bit to compare. */
+   rface = SDL_ConvertSurface( face, testsur->format, 0 );
+   if (SDL_ATassert( "SDL_ConvertSurface", rface != NULL))
+      return;
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Primitives output not the same.",
+            surface_compare( rface, &img_face)==0 ))
+      return;
+
+   /* Clean up. */
+   SDL_FreeSurface( rface );
+   SDL_FreeSurface( face );
+
+   SDL_ATend();
+}
+
+
+/**
+ * @brief Tests the SDL primitives for rendering.
+ */
+static void surface_testPrimitives( SDL_Surface *testsur )
+{
+   int ret;
+   int x, y;
+   SDL_Rect rect;
+
+   SDL_ATbegin( "Primitives Test" );
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Create the surface. */
+   testsur = SDL_CreateRGBSurface( 0, 80, 60, 32, 
+         RMASK, GMASK, BMASK, AMASK );
+   if (SDL_ATassert( "SDL_CreateRGBSurface", testsur != NULL))
+      return;
+
+   /* Draw a rectangle. */
+   rect.x = 40;
+   rect.y = 0;
+   rect.w = 40;
+   rect.h = 80;
+   ret = SDL_FillRect( testsur, &rect,
+         SDL_MapRGB( testsur->format, 13, 73, 200 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Draw a rectangle. */
+   rect.x = 10;
+   rect.y = 10;
+   rect.w = 60;
+   rect.h = 40;
+   ret = SDL_FillRect( testsur, &rect,
+         SDL_MapRGB( testsur->format, 200, 0, 100 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Draw some points like so:
+    * X.X.X.X..
+    * .X.X.X.X.
+    * X.X.X.X.. */
+   for (y=0; y<3; y++) {
+      x = y % 2;
+      for (; x<80; x+=2) {
+         ret = SDL_DrawPoint( testsur, x, y,
+               SDL_MapRGB( testsur->format, x*y, x*y/2, x*y/3 ) );
+         if (SDL_ATassert( "SDL_DrawPoint", ret == 0))
+            return;
+      }
+   }
+
+   /* Draw some lines. */
+   ret = SDL_DrawLine( testsur, 0, 30, 80, 30,
+         SDL_MapRGB( testsur->format, 0, 255, 0 ) );
+   if (SDL_ATassert( "SDL_DrawLine", ret == 0))
+      return;
+   ret = SDL_DrawLine( testsur, 40, 30, 40, 60,
+         SDL_MapRGB( testsur->format, 55, 55, 5 ) );
+   if (SDL_ATassert( "SDL_DrawLine", ret == 0))
+      return;
+   ret = SDL_DrawLine( testsur, 0, 60, 80, 0,
+         SDL_MapRGB( testsur->format, 5, 105, 105 ) );
+   if (SDL_ATassert( "SDL_DrawLine", ret == 0))
+      return;
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Primitives output not the same.",
+            surface_compare( testsur, &img_primitives )==0 ))
+      return;
+
+   SDL_ATend();
+}
+
+
+/**
+ * @brief Tests the SDL primitives with alpha for rendering.
+ */
+static void surface_testPrimitivesBlend( SDL_Surface *testsur )
+{
+   int ret;
+   int i, j;
+   SDL_Rect rect;
+
+   SDL_ATbegin( "Primitives Blend Test" );
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Create some rectangles for each blend mode. */
+   ret = SDL_BlendRect( testsur, NULL, SDL_BLENDMODE_NONE, 255, 255, 255, 0 );
+   if (SDL_ATassert( "SDL_BlendRect", ret == 0))
+      return;
+   rect.x = 10;
+   rect.y = 25;
+   rect.w = 40;
+   rect.h = 25;
+   ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_ADD, 240, 10, 10, 75 );
+   if (SDL_ATassert( "SDL_BlendRect", ret == 0))
+      return;
+   rect.x = 30;
+   rect.y = 40;
+   rect.w = 45;
+   rect.h = 15;
+   ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_BLEND, 10, 240, 10, 100 );
+   if (SDL_ATassert( "SDL_BlendRect", ret == 0))
+      return;
+   rect.x = 25;
+   rect.y = 25;
+   rect.w = 25;
+   rect.h = 25;
+   ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_MOD, 10, 10, 240, 125 );
+   if (SDL_ATassert( "SDL_BlendRect", ret == 0))
+      return;
+
+   /* Draw blended lines, lines for everyone. */
+   for (i=0; i<testsur->w; i+=2)  {
+      ret = SDL_BlendLine( testsur, 0, 0, i, 59,
+            (((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
+               (((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
+            60+2*i, 240-2*i, 50, 3*i );
+      if (SDL_ATassert( "SDL_BlendLine", ret == 0))
+         return;
+   }
+   for (i=0; i<testsur->h; i+=2)  {
+      ret = SDL_BlendLine( testsur, 0, 0, 79, i,
+            (((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
+               (((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
+            60+2*i, 240-2*i, 50, 3*i );
+      if (SDL_ATassert( "SDL_BlendLine", ret == 0))
+         return;
+   }
+
+   /* Draw points. */
+   for (j=0; j<testsur->h; j+=3) {
+      for (i=0; i<testsur->w; i+=3) {
+      ret = SDL_BlendPoint( testsur, i, j,
+            ((((i+j)/3)%3)==0) ? SDL_BLENDMODE_BLEND :
+               ((((i+j)/3)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
+            j*4, i*3, j*4, i*3 );
+      if (SDL_ATassert( "SDL_BlendPoint", ret == 0))
+         return;
+      }
+   }
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Primitives output not the same.",
+            surface_compare( testsur, &img_blend )==0 ))
+      return;
+
+   SDL_ATend();
+}
+
+
+/**
+ * @brief Tests some blitting routines.
+ */
+static void surface_testBlit( SDL_Surface *testsur )
+{
+   int ret;
+   SDL_Rect rect;
+   SDL_Surface *face;
+   int i, j, ni, nj;
+
+   SDL_ATbegin( "Blit Tests" );
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Create face surface. */
+   face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data,
+         img_face.width, img_face.height, 32, img_face.width*4,
+         RMASK, GMASK, BMASK, AMASK );
+   if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL))
+      return;
+
+   /* Constant values. */
+   rect.w = face->w;
+   rect.h = face->h;
+   ni     = testsur->w - face->w;
+   nj     = testsur->h - face->h;
+
+   /* Loop blit. */
+   for (j=0; j <= nj; j+=4) {
+      for (i=0; i <= ni; i+=4) {
+         /* Blitting. */
+         rect.x = i;
+         rect.y = j;
+         ret = SDL_BlitSurface( face, NULL, testsur, &rect );
+         if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
+            return;
+      }
+   }
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Blitting output not the same (normal blit).",
+            surface_compare( testsur, &img_blit )==0 ))
+      return;
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Test blitting with colour mod. */
+   for (j=0; j <= nj; j+=4) {
+      for (i=0; i <= ni; i+=4) {
+         /* Set colour mod. */
+         ret = SDL_SetSurfaceColorMod( face, (255/nj)*j, (255/ni)*i, (255/nj)*j );
+         if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
+            return;
+
+         /* Blitting. */
+         rect.x = i;
+         rect.y = j;
+         ret = SDL_BlitSurface( face, NULL, testsur, &rect );
+         if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
+            return;
+      }
+   }
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Blitting output not the same (using SDL_SetSurfaceColorMod).",
+            surface_compare( testsur, &img_blitColour )==0 ))
+      return;
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Restore colour. */
+   ret = SDL_SetSurfaceColorMod( face, 255, 255, 255 );
+   if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
+      return;
+
+   /* Test blitting with colour mod. */
+   for (j=0; j <= nj; j+=4) {
+      for (i=0; i <= ni; i+=4) {
+         /* Set alpha mod. */
+         ret = SDL_SetSurfaceAlphaMod( face, (255/ni)*i );
+         if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
+            return;
+
+         /* Blitting. */
+         rect.x = i;
+         rect.y = j;
+         ret = SDL_BlitSurface( face, NULL, testsur, &rect );
+         if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
+            return;
+      }
+   }
+
+   /* See if it's the same. */
+   if (SDL_ATassert( "Blitting output not the same (using SDL_SetSurfaceAlphaMod).",
+            surface_compare( testsur, &img_blitAlpha )==0 ))
+      return;
+
+   /* Clean up. */
+   SDL_FreeSurface( face );
+
+   SDL_ATend();
+}
+
+
+/**
+ * @brief Tests a blend mode.
+ */
+static int surface_testBlitBlendMode( SDL_Surface *testsur, SDL_Surface *face, int mode )
+{
+   int ret;
+   int i, j, ni, nj;
+   SDL_Rect rect;
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return 1;
+
+   /* Steps to take. */
+   ni     = testsur->w - face->w;
+   nj     = testsur->h - face->h;
+
+   /* Constant values. */
+   rect.w = face->w;
+   rect.h = face->h;
+
+   /* Test blend mode. */
+   for (j=0; j <= nj; j+=4) {
+      for (i=0; i <= ni; i+=4) {
+         /* Set blend mode. */
+         ret = SDL_SetSurfaceBlendMode( face, mode );
+         if (SDL_ATassert( "SDL_SetSurfaceBlendMode", ret == 0))
+            return 1;
+
+         /* Blitting. */
+         rect.x = i;
+         rect.y = j;
+         ret = SDL_BlitSurface( face, NULL, testsur, &rect );
+         if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
+            return 1;
+      }
+   }
+
+   return 0;
+}
+
+
+/**
+ * @brief Tests some more blitting routines.
+ */
+static void surface_testBlitBlend( SDL_Surface *testsur )
+{
+   int ret;
+   SDL_Rect rect;
+   SDL_Surface *face;
+   int i, j, ni, nj;
+   int mode;
+
+   SDL_ATbegin( "Blit Blending Tests" );
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Create the blit surface. */
+   face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data,
+         img_face.width, img_face.height, 32, img_face.width*4,
+         RMASK, GMASK, BMASK, AMASK );
+   if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL))
+      return;
+
+   /* Set alpha mod. */
+   ret = SDL_SetSurfaceAlphaMod( face, 100 );
+   if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
+      return;
+
+   /* Steps to take. */
+   ni     = testsur->w - face->w;
+   nj     = testsur->h - face->h;
+
+   /* Constant values. */
+   rect.w = face->w;
+   rect.h = face->h;
+
+   /* Test None. */
+   if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_NONE ))
+      return;
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_NONE).",
+            surface_compare( testsur, &img_blendNone )==0 ))
+      return;
+
+   /* Test Mask. */
+   if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_MASK ))
+      return;
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_MASK).",
+            surface_compare( testsur, &img_blendMask )==0 ))
+      return;
+
+   /* Test Blend. */
+   if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_BLEND ))
+      return;
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_BLEND).",
+            surface_compare( testsur, &img_blendBlend )==0 ))
+      return;
+
+   /* Test Add. */
+   if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_ADD ))
+      return;
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_ADD).",
+            surface_compare( testsur, &img_blendAdd )==0 ))
+      return;
+
+   /* Test Mod. */
+   if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_MOD ))
+      return;
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_MOD).",
+            surface_compare( testsur, &img_blendMod )==0 ))
+      return;
+
+   /* Clear surface. */
+   ret = SDL_FillRect( testsur, NULL,
+         SDL_MapRGB( testsur->format, 0, 0, 0 ) );
+   if (SDL_ATassert( "SDL_FillRect", ret == 0))
+      return;
+
+   /* Loop blit. */
+   for (j=0; j <= nj; j+=4) {
+      for (i=0; i <= ni; i+=4) {
+
+         /* Set colour mod. */
+         ret = SDL_SetSurfaceColorMod( face, (255/nj)*j, (255/ni)*i, (255/nj)*j );
+         if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
+            return;
+
+         /* Set alpha mod. */
+         ret = SDL_SetSurfaceAlphaMod( face, (100/ni)*i );
+         if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
+            return;
+
+         /* Crazy blending mode magic. */
+         mode = (i/4*j/4) % 4;
+         if (mode==0) mode = SDL_BLENDMODE_MASK;
+         else if (mode==1) mode = SDL_BLENDMODE_BLEND;
+         else if (mode==2) mode = SDL_BLENDMODE_ADD;
+         else if (mode==3) mode = SDL_BLENDMODE_MOD;
+         ret = SDL_SetSurfaceBlendMode( face, mode );
+         if (SDL_ATassert( "SDL_SetSurfaceBlendMode", ret == 0))
+            return;
+
+         /* Blitting. */
+         rect.x = i;
+         rect.y = j;
+         ret = SDL_BlitSurface( face, NULL, testsur, &rect );
+         if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
+            return;
+      }
+   }
+
+   /* Check to see if matches. */
+   if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLEND_*).",
+            surface_compare( testsur, &img_blendAll )==0 ))
+      return;
+
+   /* Clean up. */
+   SDL_FreeSurface( face );
+
+   SDL_ATend();
+}
+
+
+/**
+ * @brief Runs all the tests on the surface.
+ *
+ *    @param testsur Surface to run tests on.
+ */
+void surface_runTests( SDL_Surface *testsur )
+{
+   /* Software surface blitting. */
+   surface_testPrimitives( testsur );
+   surface_testPrimitivesBlend( testsur );
+   surface_testBlit( testsur );
+   surface_testBlitBlend( testsur );
+}
+
+
+/**
+ * @brief Entry point.
+ */
+#ifdef TEST_STANDALONE
+int main( int argc, const char *argv[] )
+{
+   (void) argc;
+   (void) argv;
+#else /* TEST_STANDALONE */
+int test_surface (void)
+{
+#endif /* TEST_STANDALONE */
+   int ret;
+   SDL_Surface *testsur;
+
+   SDL_ATinit( "SDL_Surface" );
+
+   SDL_ATbegin( "Initializing" );
+   /* Initializes the SDL subsystems. */
+   ret = SDL_Init(0);
+   if (SDL_ATassert( "SDL_Init(0)", ret == 0))
+      goto err;
+
+   /* Now run on the video mode. */
+   ret = SDL_InitSubSystem( SDL_INIT_VIDEO );
+   if (SDL_ATassert( "SDL_InitSubSystem( SDL_INIT_VIDEO )", ret == 0))
+      goto err;
+
+   /*
+    * Surface on surface tests.
+    */
+   /* Create the test surface. */
+   testsur = SDL_CreateRGBSurface( 0, 80, 60, 32, 
+         RMASK, GMASK, BMASK, AMASK );
+   if (SDL_ATassert( "SDL_CreateRGBSurface", testsur != NULL))
+      goto err;
+   SDL_ATend();
+   /* Run surface on surface tests. */
+   surface_testLoad( testsur );
+   surface_runTests( testsur );
+   /* Clean up. */
+   SDL_FreeSurface( testsur );
+
+   /* Exit SDL. */
+   SDL_Quit();
+
+   return SDL_ATfinish();
+
+err:
+   return SDL_ATfinish();
+}
+