Font 8bithud, classe Text i overlay RenderInfo (F3, persistit a config.yaml) (v0.7.0)

source/core/rendering/surface.cpp

@@ -113,3 +113,33 @@ void Surface::render(int x, int y, const SDL_FRect* src_rect, SDL_FlipMode flip)
         }
     }
 }
+
+void Surface::renderWithColorReplace(int x, int y, Uint8 source_color, Uint8 target_color, const SDL_FRect* src_rect, SDL_FlipMode flip) const {
+    Uint32* dst = Screen::get().getCanvasArgb();
+    const int DST_W = Screen::get().getCanvasWidth();
+    const int DST_H = Screen::get().getCanvasHeight();
+
+    const int SX = (src_rect != nullptr) ? static_cast<int>(src_rect->x) : 0;
+    const int SY = (src_rect != nullptr) ? static_cast<int>(src_rect->y) : 0;
+    int sw = (src_rect != nullptr) ? static_cast<int>(src_rect->w) : surface_data_->width;
+    int sh = (src_rect != nullptr) ? static_cast<int>(src_rect->h) : surface_data_->height;
+
+    sw = std::min(sw, surface_data_->width - SX);
+    sh = std::min(sh, surface_data_->height - SY);
+
+    const Uint8* src = surface_data_->data.get();
+    for (int iy = 0; iy < sh; ++iy) {
+        for (int ix = 0; ix < sw; ++ix) {
+            const int SRC_X = (flip == SDL_FLIP_HORIZONTAL) ? (SX + sw - 1 - ix) : (SX + ix);
+            const int SRC_Y = (flip == SDL_FLIP_VERTICAL) ? (SY + sh - 1 - iy) : (SY + iy);
+            const int DST_X = x + ix;
+            const int DST_Y = y + iy;
+            if (DST_X < 0 || DST_X >= DST_W || DST_Y < 0 || DST_Y >= DST_H) { continue; }
+
+            const Uint8 COLOR = src[SRC_X + (SRC_Y * surface_data_->width)];
+            if (COLOR == transparent_color_) { continue; }
+            const Uint8 REMAPPED = (COLOR == source_color) ? target_color : sub_palette_[COLOR];
+            dst[DST_X + (DST_Y * DST_W)] = palette_[REMAPPED];
+        }
+    }
+}