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Added tiled 9-grid texture rendering function
* New function SDL_RenderTexture9GridTiled, borders and center is tiled instead of stretched
This commit is contained in:
Arkadiusz Lach
Sam Lantinga
parent
954675b32a
commit
e25ee22469
3 changed files with 359 additions and 0 deletions
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@ -616,6 +616,189 @@ static int SDLCALL render_testBlit9Grid(void *arg)
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return TEST_COMPLETED;
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}
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/**
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* Tests tiled 9-grid blitting.
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*/
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static int SDLCALL render_testBlit9GridTiled(void *arg)
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{
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SDL_Surface *referenceSurface = NULL;
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SDL_Surface *source = NULL;
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SDL_Texture *texture;
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int x, y;
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SDL_FRect rect;
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int ret = 0;
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/* Create source surface */
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source = SDL_CreateSurface(3, 3, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(source != NULL, "Verify source surface is not NULL");
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for (y = 0; y < 3; ++y) {
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for (x = 0; x < 3; ++x) {
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SDL_WriteSurfacePixel(source, x, y, (Uint8)((1 + x) * COLOR_SEPARATION), (Uint8)((1 + y) * COLOR_SEPARATION), 0, 255);
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}
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}
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texture = SDL_CreateTextureFromSurface(renderer, source);
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SDLTest_AssertCheck(texture != NULL, "Verify source texture is not NULL");
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ret = SDL_SetTextureScaleMode(texture, SDL_SCALEMODE_NEAREST);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_SetTextureScaleMode, expected: true, got: %i", ret);
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/* Tiled 9-grid blit - 1.0 scale */
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{
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SDLTest_Log("tiled 9-grid blit - 1.0 scale");
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/* Create reference surface */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
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Fill9GridReferenceSurface(referenceSurface, 1, 1, 1, 1);
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W;
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rect.h = (float)TESTRENDER_SCREEN_H;
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ret = SDL_RenderTexture9GridTiled(renderer, texture, NULL, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, &rect, 1.0f);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_RenderTexture9GridTiled, expected: true, got: %i", ret);
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/* See if it's the same */
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* Tiled 9-grid blit - 2.0 scale */
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{
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SDLTest_Log("tiled 9-grid blit - 2.0 scale");
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/* Create reference surface */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
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Fill9GridReferenceSurface(referenceSurface, 2, 2, 2, 2);
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W;
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rect.h = (float)TESTRENDER_SCREEN_H;
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ret = SDL_RenderTexture9GridTiled(renderer, texture, NULL, 1.0f, 1.0f, 1.0f, 1.0f, 2.0f, &rect, 2.0f);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_RenderTexture9GridTiled, expected: true, got: %i", ret);
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/* See if it's the same */
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* Clean up. */
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SDL_DestroySurface(source);
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SDL_DestroyTexture(texture);
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/* Create complex source surface */
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source = SDL_CreateSurface(5, 5, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(source != NULL, "Verify source surface is not NULL");
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SDL_WriteSurfacePixel(source, 0, 0, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 1, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 2, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 3, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 4, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 0, 1, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 1, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 2, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 3, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 4, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 0, 2, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 1, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 2, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 3, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 4, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 0, 3, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 1, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 2, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 3, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 4, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 0, 4, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 1, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 2, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 3, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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SDL_WriteSurfacePixel(source, 4, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
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texture = SDL_CreateTextureFromSurface(renderer, source);
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SDLTest_AssertCheck(texture != NULL, "Verify source texture is not NULL");
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ret = SDL_SetTextureScaleMode(texture, SDL_SCALEMODE_NEAREST);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_SetTextureScaleMode, expected: true, got: %i", ret);
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/* complex tiled 9-grid blit - 1.0 scale */
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{
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SDLTest_Log("complex tiled 9-grid blit - 1.0 scale");
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/* Create reference surface */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
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Fill9GridReferenceSurface(referenceSurface, 1, 2, 1, 2);
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W;
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rect.h = (float)TESTRENDER_SCREEN_H;
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ret = SDL_RenderTexture9GridTiled(renderer, texture, NULL, 1.0f, 2.0f, 1.0f, 2.0f, 1.0f, &rect, 1.0f);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_RenderTexture9GridTiled, expected: true, got: %i", ret);
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/* See if it's the same */
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* complex tiled 9-grid blit - 2.0 scale */
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{
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SDLTest_Log("complex tiled 9-grid blit - 2.0 scale");
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/* Create reference surface */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
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SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
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Fill9GridReferenceSurface(referenceSurface, 2, 4, 2, 4);
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/* Clear surface. */
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clearScreen();
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/* Tiled blit. */
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rect.x = 0.0f;
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rect.y = 0.0f;
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rect.w = (float)TESTRENDER_SCREEN_W;
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rect.h = (float)TESTRENDER_SCREEN_H;
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ret = SDL_RenderTexture9GridTiled(renderer, texture, NULL, 1.0f, 2.0f, 1.0f, 2.0f, 2.0f, &rect, 2.0f);
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SDLTest_AssertCheck(ret == true, "Validate results from call to SDL_RenderTexture9GridTiled, expected: true, got: %i", ret);
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/* See if it's the same */
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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}
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/* Clean up. */
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SDL_DestroySurface(referenceSurface);
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SDL_DestroySurface(source);
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SDL_DestroyTexture(texture);
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return TEST_COMPLETED;
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}
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/**
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* Blits doing color tests.
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*
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@ -1539,6 +1722,10 @@ static const SDLTest_TestCaseReference renderTestBlit9Grid = {
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render_testBlit9Grid, "render_testBlit9Grid", "Tests 9-grid blitting", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTestBlit9GridTiled = {
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render_testBlit9GridTiled, "render_testBlit9GridTiled", "Tests tiled 9-grid blitting", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference renderTestBlitColor = {
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render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED
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};
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@ -1571,6 +1758,7 @@ static const SDLTest_TestCaseReference *renderTests[] = {
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&renderTestBlit,
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&renderTestBlitTiled,
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&renderTestBlit9Grid,
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&renderTestBlit9GridTiled,
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&renderTestBlitColor,
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&renderTestBlendModes,
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&renderTestViewport,
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