From 31fcdb31fb406531bec49ee2d1b3cc286ed3b5a8 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Mon, 30 Dec 2013 14:17:37 +0300
Subject: Improve drawRescaledImage in renderers.

---
 src/render/normalopenglgraphics.cpp | 57 +++++--------------------------------
 1 file changed, 7 insertions(+), 50 deletions(-)

(limited to 'src/render/normalopenglgraphics.cpp')

diff --git a/src/render/normalopenglgraphics.cpp b/src/render/normalopenglgraphics.cpp
index 28572f9ba..ea1bd7242 100644
--- a/src/render/normalopenglgraphics.cpp
+++ b/src/render/normalopenglgraphics.cpp
@@ -485,73 +485,30 @@ void NormalOpenGLGraphics::completeCache()
 }
 
 bool NormalOpenGLGraphics::drawRescaledImage(const Image *const image,
-                                             int srcX, int srcY,
                                              int dstX, int dstY,
-                                             const int width, const int height,
                                              const int desiredWidth,
-                                             const int desiredHeight,
-                                             const bool useColor)
-{
-    return drawRescaledImage(image, srcX, srcY,
-                             dstX, dstY,
-                             width, height,
-                             desiredWidth, desiredHeight,
-                             useColor, true);
-}
-
-bool NormalOpenGLGraphics::drawRescaledImage(const Image *const image,
-                                             int srcX, int srcY,
-                                             int dstX, int dstY,
-                                             const int width, const int height,
-                                             const int desiredWidth,
-                                             const int desiredHeight,
-                                             const bool useColor,
-                                             bool smooth)
+                                             const int desiredHeight)
 {
     FUNC_BLOCK("Graphics::drawRescaledImage", 1)
     if (!image)
         return false;
 
-    // Just draw the image normally when no resizing is necessary,
-    if (width == desiredWidth && height == desiredHeight)
-        return drawImage2(image, dstX, dstY);
-
-    // When the desired image is smaller than the current one,
-    // disable smooth effect.
-    if (width > desiredWidth && height > desiredHeight)
-        smooth = false;
-
     const SDL_Rect &imageRect = image->mBounds;
-    srcX += imageRect.x;
-    srcY += imageRect.y;
 
-    if (!useColor)
-        setColorAlpha(image->mAlpha);
+    // Just draw the image normally when no resizing is necessary,
+    if (imageRect.w == desiredWidth && imageRect.h == desiredHeight)
+        return drawImage2(image, dstX, dstY);
 
+    setColorAlpha(image->mAlpha);
 #ifdef DEBUG_BIND_TEXTURE
     debugBindTexture(image);
 #endif
     bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
-
     setTexturingAndBlending(true);
 
     // Draw a textured quad.
-    drawRescaledQuad(image, srcX, srcY, dstX, dstY, width, height,
-                     desiredWidth, desiredHeight);
-
-    if (smooth)  // A basic smooth effect...
-    {
-        setColorAlpha(0.2F);
-        drawRescaledQuad(image, srcX, srcY, dstX - 1, dstY - 1, width, height,
-                         desiredWidth + 1, desiredHeight + 1);
-        drawRescaledQuad(image, srcX, srcY, dstX + 1, dstY + 1, width, height,
-                         desiredWidth - 1, desiredHeight - 1);
-
-        drawRescaledQuad(image, srcX, srcY, dstX + 1, dstY, width, height,
-                         desiredWidth - 1, desiredHeight);
-        drawRescaledQuad(image, srcX, srcY, dstX, dstY + 1, width, height,
-                         desiredWidth, desiredHeight - 1);
-    }
+    drawRescaledQuad(image, imageRect.x, imageRect.y, dstX, dstY,
+        imageRect.w, imageRect.h, desiredWidth, desiredHeight);
 
     return true;
 }
-- 
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