#ifndef PHP_SDL3_HELPER #define PHP_SDL3_HELPER #include #include #include "math.h" // Zeichnet einen gefüllten Viertel-Kreis mit Anti-Aliasing (filled quarter circle). // quadrant: 0 = top-left, 1 = top-right, 2 = bottom-right, 3 = bottom-left static void filled_quarter_circle(SDL_Renderer *renderer, int cx, int cy, int r, int quadrant) { if (r <= 0) return; // Get current draw color Uint8 r_col, g_col, b_col, a_col; SDL_GetRenderDrawColor(renderer, &r_col, &g_col, &b_col, &a_col); // Use SDL_gfx filledCircle with proper quadrant rendering // We'll draw the arc using the primitives library switch (quadrant) { case 0: // top-left filledPieRGBA(renderer, cx, cy, r, 180, 270, r_col, g_col, b_col, a_col); break; case 1: // top-right filledPieRGBA(renderer, cx, cy, r, 270, 360, r_col, g_col, b_col, a_col); break; case 2: // bottom-right filledPieRGBA(renderer, cx, cy, r, 0, 90, r_col, g_col, b_col, a_col); break; case 3: // bottom-left filledPieRGBA(renderer, cx, cy, r, 90, 180, r_col, g_col, b_col, a_col); break; } } #endif