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examples now using SDL_ALPHA_OPAQUE(_FLOAT) for opaque alpha value

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Michael Palomas 2024-10-23 13:44:28 +02:00 • committed by Sam Lantinga
parent 63ef5a2369
commit 21c91d5535
19 changed files with 38 additions and 38 deletions
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8
examples/renderer/18-debug-text/debug-text.c
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@ -47,16 +47,16 @@ SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
SDL_AppResult SDL_AppIterate(void *appstate)
{
/* as you can see from this, rendering draws over whatever was drawn before it. */
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); /* black, full alpha */
SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE); /* black, full alpha */
SDL_RenderClear(renderer); /* start with a blank canvas. */
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); /* white, full alpha */
SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE); /* white, full alpha */
SDL_RenderDebugText(renderer, 272, 100, "Hello world!");
SDL_RenderDebugText(renderer, 224, 150, "This is some debug text.");
SDL_SetRenderDrawColor(renderer, 51, 102, 255, 255); /* light blue, full alpha */
SDL_SetRenderDrawColor(renderer, 51, 102, 255, SDL_ALPHA_OPAQUE); /* light blue, full alpha */
SDL_RenderDebugText(renderer, 184, 200, "You can do it in different colors.");
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); /* white, full alpha */
SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE); /* white, full alpha */
SDL_SetRenderScale(renderer, 4.0f, 4.0f);
SDL_RenderDebugText(renderer, 14, 65, "It can be scaled.");