pandory500/SDL-mirror
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Use 45 degree lines for the diagonal test to avoid aliasing errors in line drawing.

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404212
This commit is contained in:
Sam Lantinga 2009-11-21 06:28:25 +00:00
parent 3110c4d9fb
commit e3bfc7307d
3 changed files with 390 additions and 368 deletions
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17
test/automated/render/render.c
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@ -431,7 +431,16 @@ static int render_testPrimitives (void)
ret = SDL_SetRenderDrawColor( 5, 105, 105, SDL_ALPHA_OPAQUE );
if (SDL_ATassert( "SDL_SetRenderDrawColor", ret == 0))
return -1;
ret = SDL_RenderLine( 0, 60, 80, 0 );
ret = SDL_RenderLine( 0, 0, 29, 29 );
if (SDL_ATassert( "SDL_RenderLine", ret == 0))
return -1;
ret = SDL_RenderLine( 29, 30, 0, 59 );
if (SDL_ATassert( "SDL_RenderLine", ret == 0))
return -1;
ret = SDL_RenderLine( 79, 0, 50, 29 );
if (SDL_ATassert( "SDL_RenderLine", ret == 0))
return -1;
ret = SDL_RenderLine( 79, 59, 50, 30 );
if (SDL_ATassert( "SDL_RenderLine", ret == 0))
return -1;
@ -1013,7 +1022,7 @@ int test_render (void)
goto err_cleanup;
/* Create window. */
wid = SDL_CreateWindow( msg, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
80, 60, 0 );
80, 60, SDL_WINDOW_SHOWN );
if (SDL_ATassert( "SDL_CreateWindow", wid!=0 ))
goto err_cleanup;
/* Check title. */
@ -1032,7 +1041,7 @@ int test_render (void)
/* both add SDL_WINDOW_OPENGL flag for window, that was last used */
SDL_DestroyWindow(wid);
wid = SDL_CreateWindow( msg, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
80, 60, 0 );
80, 60, SDL_WINDOW_SHOWN );
if (SDL_ATassert( "SDL_CreateWindow", wid!=0 ))
goto err_cleanup;
@ -1040,10 +1049,12 @@ int test_render (void)
ret = SDL_GetRenderDriverInfo( j, &renderer );
if (ret != 0)
goto err_cleanup;
/* Set testcase name. */
snprintf( msg, sizeof(msg), "Renderer %s", renderer.name );
SDL_ATprintVerbose( 1, " %d) %s\n", j+1, renderer.name );
SDL_ATbegin( msg );
/* Set renderer. */
ret = SDL_CreateRenderer( wid, j, 0 );
if (SDL_ATassert( "SDL_CreateRenderer", ret==0 ))