Añadidas nuevas funciones a la calse screen para mostrar el borde

source/screen.cpp

@@ -13,17 +13,20 @@ Screen::Screen(SDL_Window *window, SDL_Renderer *renderer, options_t *options, i
     gameCanvasWidth = gameInternalResX;
     gameCanvasHeight = gameInternalResY;
 
-    // Establece el modo de video
-    setVideoMode(options->fullScreenMode);
-
     // Define el color del borde para el modo de pantalla completa
     borderColor = {0x00, 0x00, 0x00};
+    borderEnabled = true;
+    borderWidth = 0.1f;
+    borderHeight = 0.1f;
 
     // Crea la textura donde se dibujan los graficos del juego
     gameCanvas = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, gameCanvasWidth, gameCanvasHeight);
     if (gameCanvas == NULL)
         printf("TitleSurface could not be created!\nSDL Error: %s\n", SDL_GetError());
 
+    // Establece el modo de video
+    setVideoMode(options->fullScreenMode);
+
     // Calcula los anclajes
     anchor.left = 0;
     anchor.right = gameCanvasWidth;
@@ -78,9 +81,21 @@ void Screen::setVideoMode(int fullScreenMode)
     // Si está activo el modo ventana quita el borde
     if (fullScreenMode == 0)
     {
-        screenWidth = gameCanvasWidth;
-        screenHeight = gameCanvasHeight;
-        dest = {0, 0, gameCanvasWidth, gameCanvasHeight};
+        if (borderEnabled)
+        {
+            const int incWidth = gameCanvasWidth * borderWidth;
+            const int incHeight = gameCanvasHeight * borderHeight;
+            screenWidth = gameCanvasWidth + incWidth;
+            screenHeight = gameCanvasHeight + incHeight;
+            dest = {0 + (incWidth / 2), 0 + (incHeight / 2), gameCanvasWidth, gameCanvasHeight};
+        }
+
+        else
+        {
+            screenWidth = gameCanvasWidth;
+            screenHeight = gameCanvasHeight;
+            dest = {0, 0, gameCanvasWidth, gameCanvasHeight};
+        }
 
         // Modifica el tamaño del renderizador y de la ventana
         SDL_RenderSetLogicalSize(renderer, screenWidth, screenHeight);
@@ -171,4 +186,24 @@ void Screen::setBorderColor(color_t color)
 void Screen::setBlendMode(SDL_BlendMode blendMode)
 {
     SDL_SetRenderDrawBlendMode(renderer, blendMode);
+}
+
+// Establece el tamaño del borde
+void Screen::setBorderSize(float w, float h)
+{
+    borderWidth = w;
+    borderHeight = h;
+}
+
+// Establece si se ha de ver el borde en el modo ventana
+void Screen::setBorderEnabled(bool value)
+{
+    borderEnabled = value;
+}
+
+// Cambia entre borde visible y no visible
+void Screen::switchBorder()
+{
+    borderEnabled = !borderEnabled;
+    setVideoMode(0);
 }