Trabajando en el escalado entero y el tamaño personalizable de la ventana de renderizado a traves de las opciones

source/screen.cpp

@@ -2,18 +2,33 @@
 #include "const.h"
 
 // Constructor
-Screen::Screen(SDL_Window *window, SDL_Renderer *renderer)
+Screen::Screen(SDL_Window *window, SDL_Renderer *renderer, int screenWidth, int screenHeight, bool integerScale)
 {
     // Inicializa variables
     mWindow = window;
     mRenderer = renderer;
 
-    mScreenWidth = REAL_SCREEN_WIDTH;
-    mScreenHeight = REAL_SCREEN_HEIGHT;
+    mScreenWidth = screenWidth;
+    mScreenHeight = screenHeight;
     mGameCanvasWidth = SCREEN_WIDTH;
     mGameCanvasHeight = SCREEN_HEIGHT;
     mGameCanvasPosX = (mScreenWidth - mGameCanvasWidth) / 2;
     mGameCanvasPosY = (mScreenHeight - mGameCanvasHeight) / 2;
+    mIntegerScale = integerScale;
+
+    // Calcula el tamaño de la escala máxima
+    mScale = 0;
+    int width = mGameCanvasWidth;
+    int height = mGameCanvasHeight;
+    while (((width * (mScale + 1)) < mScreenWidth) && ((height * (mScale + 1)) < mScreenHeight))
+    {
+        mScale++;
+    }
+
+    width = width * mScale;
+    height = height * mScale;
+    mGameCanvasPosX = (mScreenWidth - width) / 2;
+    mGameCanvasPosY = (mScreenHeight - height) / 2;
 
     mBorderColor = {0x27, 0x27, 0x36};
     mBorderColor = {0x00, 0x00, 0x00};
@@ -54,7 +69,7 @@ void Screen::blit()
     SDL_RenderClear(mRenderer);
 
     // Rectangulo de destino donde se dibujarà la textura con el juego
-    SDL_Rect dest = {mGameCanvasPosX, mGameCanvasPosY, mGameCanvasWidth, mGameCanvasHeight};
+    SDL_Rect dest = {mGameCanvasPosX, mGameCanvasPosY, mGameCanvasWidth*mScale, mGameCanvasHeight*mScale};
 
     // Copia la textura de juego en el renderizador en la posición adecuada
     SDL_RenderCopy(mRenderer, mGameCanvas, NULL, &dest);