From dbc30204cae020ff0be41fb8f20bbb3a531686b3 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 29 Jan 2014 00:55:06 +0300
Subject: allow apply scale without client restart.

---
 src/render/graphics.cpp          | 25 ++++++++++++++++++++++---
 src/render/graphics.h            |  4 +++-
 src/render/openglgraphicsdef.hpp |  2 +-
 3 files changed, 26 insertions(+), 5 deletions(-)

(limited to 'src/render')

diff --git a/src/render/graphics.cpp b/src/render/graphics.cpp
index 27682f1f0..82f44460b 100644
--- a/src/render/graphics.cpp
+++ b/src/render/graphics.cpp
@@ -120,16 +120,35 @@ void Graphics::setMainFlags(const int w, const int h,
     logger->log("Setting video mode %dx%d %s",
             w, h, fs ? "fullscreen" : "windowed");
 
-    mWidth = w / scale;
-    mHeight = h / scale;
     mBpp = bpp;
     mFullscreen = fs;
     mHWAccel = hwaccel;
     mEnableResize = resize;
     mNoFrame = noFrame;
-    mScale = scale;
     mActualWidth = w;
     mActualHeight = h;
+    setScale(scale);
+}
+
+void Graphics::setScale(int scale)
+{
+    if (isAllowScale())
+    {
+        if (!scale)
+            scale = 1;
+        if (mActualWidth / scale < 470 || mActualHeight / scale < 320)
+            scale = 1;
+        logger->log("set scale: %d", scale);
+        mScale = scale;
+    }
+    else
+    {
+        mScale = 1;
+    }
+    mWidth = mActualWidth / mScale;
+    mHeight = mActualHeight / mScale;
+    mRect.w = mWidth;
+    mRect.h = mHeight;
 }
 
 int Graphics::getOpenGLFlags() const
diff --git a/src/render/graphics.h b/src/render/graphics.h
index adf1b97c4..0cb510195 100644
--- a/src/render/graphics.h
+++ b/src/render/graphics.h
@@ -348,9 +348,11 @@ class Graphics : public gcn::Graphics
         int getScale() const
         { return mScale; }
 
-        virtual bool allowScale() const
+        virtual bool isAllowScale() const
         { return false; }
 
+        void setScale(int scale);
+
         int mWidth;
         int mHeight;
         int mActualWidth;
diff --git a/src/render/openglgraphicsdef.hpp b/src/render/openglgraphicsdef.hpp
index 6654254cb..89f8e63a9 100644
--- a/src/render/openglgraphicsdef.hpp
+++ b/src/render/openglgraphicsdef.hpp
@@ -142,7 +142,7 @@
 
         void completeCache() override final;
 
-        bool allowScale() const override final
+        bool isAllowScale() const override final
         { return true; }
 
         static void bindTexture(const GLenum target, const GLuint texture);
-- 
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