something

2025-04-24 20:04:41 +02:00
parent 8fd5f1cf1e
commit 451e80f750
23 changed files with 565 additions and 161 deletions
--- a/util/util.c
+++ b/util/util.c
@@ -0,0 +1,55 @@
+//
+// Created by bruno on 4/24/25.
+//
+
+#include "util.h"
+SDL_Texture* createFlippedTexture(SDL_Renderer* renderer, SDL_Texture* src, SDL_RendererFlip flip) {
+    int w, h;
+    SDL_QueryTexture(src, NULL, NULL, &w, &h);
+
+    SDL_Texture* target = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, w, h);
+    SDL_SetRenderTarget(renderer, target);
+    SDL_RenderCopyEx(renderer, src, NULL, NULL, 0, NULL, flip);
+    SDL_SetRenderTarget(renderer, NULL);
+
+    return target;
+}
+
+SDL_Texture* createRotatedTexture(SDL_Renderer* renderer, SDL_Texture* src, double angle) {
+    int w, h;
+    SDL_QueryTexture(src, NULL, NULL, &w, &h);
+
+    SDL_Texture* target = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, w, h);
+    SDL_SetRenderTarget(renderer, target);
+    SDL_RenderCopyEx(renderer, src, NULL, NULL, angle, NULL, SDL_FLIP_NONE);
+    SDL_SetRenderTarget(renderer, NULL);
+
+    return target;
+}
+
+SDL_Texture* ScaleTexture(SDL_Renderer* renderer, SDL_Texture* src, int newWidth, int newHeight) {
+    SDL_Texture* scaledTex = SDL_CreateTexture(renderer,
+                                               SDL_PIXELFORMAT_RGBA8888,
+                                               SDL_TEXTUREACCESS_TARGET,
+                                               newWidth,
+                                               newHeight);
+
+    if (!scaledTex) {
+        SDL_Log("Failed to create target texture: %s", SDL_GetError());
+        return nullptr;
+    }
+
+    // Save current render target
+    SDL_Texture* oldTarget = SDL_GetRenderTarget(renderer);
+
+    SDL_SetRenderTarget(renderer, scaledTex);
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+    SDL_RenderClear(renderer);
+
+    SDL_Rect dst = { 0, 0, newWidth, newHeight };
+    SDL_RenderCopy(renderer, src, NULL, &dst);
+
+    SDL_SetRenderTarget(renderer, oldTarget);  // Restore
+
+    return scaledTex;
+}