From d1942e1216768d41bc747a79287962a76a3aeb75 Mon Sep 17 00:00:00 2001
From: Piotr Dziwinski <piotrdz@gmail.com>
Date: Fri, 4 Jan 2013 00:29:19 +0100
Subject: Correct font scaling with resolution

---
 src/app/app.cpp                |  4 ++--
 src/graphics/engine/engine.cpp |  2 ++
 src/graphics/engine/text.cpp   | 10 +++++++---
 src/math/intpoint.h            |  6 ++++++
 4 files changed, 17 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/app/app.cpp b/src/app/app.cpp
index 2155cf4..4c66e24 100644
--- a/src/app/app.cpp
+++ b/src/app/app.cpp
@@ -903,14 +903,14 @@ Event CApplication::ProcessSystemEvent()
     {
         event.type = EVENT_QUIT;
     }
-    /*else if (m_private->currentEvent.type == SDL_VIDEORESIZE)
+    else if (m_private->currentEvent.type == SDL_VIDEORESIZE)
     {
         Gfx::GLDeviceConfig newConfig = m_deviceConfig;
         newConfig.size.x = m_private->currentEvent.resize.w;
         newConfig.size.y = m_private->currentEvent.resize.h;
         if (newConfig.size != m_deviceConfig.size)
             ChangeVideoConfig(newConfig);
-    }*/
+    }
     else if ( (m_private->currentEvent.type == SDL_KEYDOWN) ||
               (m_private->currentEvent.type == SDL_KEYUP) )
     {
diff --git a/src/graphics/engine/engine.cpp b/src/graphics/engine/engine.cpp
index f7e300e..7c90a8d 100644
--- a/src/graphics/engine/engine.cpp
+++ b/src/graphics/engine/engine.cpp
@@ -281,6 +281,8 @@ void CEngine::Destroy()
 
 void CEngine::ResetAfterDeviceChanged()
 {
+    m_size = m_app->GetVideoConfig().size;;
+
     m_text->FlushCache();
 
     // TODO reload textures, reset device state, etc.
diff --git a/src/graphics/engine/text.cpp b/src/graphics/engine/text.cpp
index 101e01a..da1a290 100644
--- a/src/graphics/engine/text.cpp
+++ b/src/graphics/engine/text.cpp
@@ -46,7 +46,7 @@ struct CachedFont
 };
 
 
-
+const Math::IntPoint REFERENCE_SIZE(800, 600);
 
 
 CText::CText(CInstanceManager *iMan, CEngine* engine)
@@ -147,6 +147,10 @@ void CText::FlushCache()
             f->cache.clear();
         }
     }
+
+    m_lastFontType = FONT_COLOBOT;
+    m_lastFontSize = 0;
+    m_lastCachedFont = nullptr;
 }
 
 void CText::DrawText(const std::string &text, std::map<unsigned int, FontMetaChar> &format,
@@ -723,8 +727,8 @@ void CText::DrawCharAndAdjustPos(UTF8Char ch, FontType font, float size, Math::P
 
 CachedFont* CText::GetOrOpenFont(FontType font, float size)
 {
-    // TODO: sizing
-    int pointSize = static_cast<int>(size);
+    Math::IntPoint windowSize = m_engine->GetWindowSize();
+    int pointSize = static_cast<int>(size * (windowSize.Length() / REFERENCE_SIZE.Length()));
 
     if (m_lastCachedFont != nullptr)
     {
diff --git a/src/math/intpoint.h b/src/math/intpoint.h
index ebd9c5e..010b0fb 100644
--- a/src/math/intpoint.h
+++ b/src/math/intpoint.h
@@ -21,6 +21,7 @@
 
 #pragma once
 
+#include <cmath>
 
 // Math module namespace
 namespace Math {
@@ -49,6 +50,11 @@ struct IntPoint
     {
         return !operator==(p);
     }
+
+    inline float Length() const
+    {
+        return sqrtf(x*x + y*y);
+    }
 };
 
 
-- 
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