From 12478121f86ea50672f5e392bc2b1e29c7fac700 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 19 May 2015 22:17:53 +0300
Subject: Use fast draw way in drawing string in buttons.

---
 src/gui/widgets/button.cpp | 41 +++++++++++++++++++++++++++++++++++------
 src/gui/widgets/button.h   |  8 +++++++-
 2 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/src/gui/widgets/button.cpp b/src/gui/widgets/button.cpp
index 3d05584d9..1a8c613ba 100644
--- a/src/gui/widgets/button.cpp
+++ b/src/gui/widgets/button.cpp
@@ -106,6 +106,7 @@ Button::Button(const Widget2 *const widget) :
     WidgetListener(),
     mCaption(),
     mDescription(),
+    mTextChunk(),
     mVertexes2(new ImageCollection),
     mEnabledColor(getThemeColor(Theme::BUTTON)),
     mEnabledColor2(getThemeColor(Theme::BUTTON_OUTLINE)),
@@ -130,7 +131,8 @@ Button::Button(const Widget2 *const widget) :
     mKeyPressed(false),
     mMousePressed(false),
     mStick(false),
-    mPressed(false)
+    mPressed(false),
+    mTextChanged(true)
 {
     init();
     adjustSize();
@@ -147,6 +149,7 @@ Button::Button(const Widget2 *const widget,
     WidgetListener(),
     mCaption(caption),
     mDescription(),
+    mTextChunk(),
     mVertexes2(new ImageCollection),
     mEnabledColor(getThemeColor(Theme::BUTTON)),
     mEnabledColor2(getThemeColor(Theme::BUTTON_OUTLINE)),
@@ -171,7 +174,8 @@ Button::Button(const Widget2 *const widget,
     mKeyPressed(false),
     mMousePressed(false),
     mStick(false),
-    mPressed(false)
+    mPressed(false),
+    mTextChanged(true)
 {
     init();
     adjustSize();
@@ -194,6 +198,7 @@ Button::Button(const Widget2 *const widget,
     WidgetListener(),
     mCaption(caption),
     mDescription(),
+    mTextChunk(),
     mVertexes2(new ImageCollection),
     mEnabledColor(getThemeColor(Theme::BUTTON)),
     mEnabledColor2(getThemeColor(Theme::BUTTON_OUTLINE)),
@@ -218,7 +223,8 @@ Button::Button(const Widget2 *const widget,
     mKeyPressed(false),
     mMousePressed(false),
     mStick(false),
-    mPressed(false)
+    mPressed(false),
+    mTextChanged(true)
 {
     init();
     loadImageSet(imageName);
@@ -241,6 +247,7 @@ Button::Button(const Widget2 *const widget,
     WidgetListener(),
     mCaption(),
     mDescription(),
+    mTextChunk(),
     mVertexes2(new ImageCollection),
     mEnabledColor(getThemeColor(Theme::BUTTON)),
     mEnabledColor2(getThemeColor(Theme::BUTTON_OUTLINE)),
@@ -265,7 +272,8 @@ Button::Button(const Widget2 *const widget,
     mKeyPressed(false),
     mMousePressed(false),
     mStick(false),
-    mPressed(false)
+    mPressed(false),
+    mTextChanged(true)
 {
     init();
     loadImageSet(imageName);
@@ -288,6 +296,7 @@ Button::Button(const Widget2 *const widget,
     WidgetListener(),
     mCaption(caption),
     mDescription(),
+    mTextChunk(),
     mVertexes2(new ImageCollection),
     mEnabledColor(getThemeColor(Theme::BUTTON)),
     mEnabledColor2(getThemeColor(Theme::BUTTON_OUTLINE)),
@@ -312,7 +321,8 @@ Button::Button(const Widget2 *const widget,
     mKeyPressed(false),
     mMousePressed(false),
     mStick(false),
-    mPressed(false)
+    mPressed(false),
+    mTextChanged(true)
 {
     init();
     loadImage(imageName);
@@ -380,6 +390,7 @@ Button::~Button()
         delete [] mImages;
         mImages = nullptr;
     }
+    mTextChunk.deleteImage();
 }
 
 void Button::loadImage(const std::string &imageName)
@@ -511,6 +522,8 @@ void Button::draw(Graphics *graphics)
             graphics->setColorAll(mEnabledColor, mEnabledColor2);
             break;
     }
+    if (recalc)
+        mTextChanged = true;
 
     int imageX = 0;
     int imageY = 0;
@@ -614,7 +627,23 @@ void Button::draw(Graphics *graphics)
         textX ++;
         textY ++;
     }
-    font->drawString(graphics, mCaption, textX, textY);
+
+    if (mTextChanged)
+    {
+        mTextChunk.textFont = font;
+        mTextChunk.deleteImage();
+        mTextChunk.text = mCaption;
+        mTextChunk.color = graphics->getColor();
+        mTextChunk.color2 = graphics->getColor2();
+        font->generate(mTextChunk);
+        mTextChanged = false;
+    }
+
+    const Image *const image = mTextChunk.img;
+    if (image)
+        graphics->drawImage(image, textX, textY);
+
+    //font->drawString(graphics, mCaption, textX, textY);
     BLOCK_END("Button::draw")
 }
 
diff --git a/src/gui/widgets/button.h b/src/gui/widgets/button.h
index e568f8131..c97741548 100644
--- a/src/gui/widgets/button.h
+++ b/src/gui/widgets/button.h
@@ -66,6 +66,8 @@
 #ifndef GUI_WIDGETS_BUTTON_H
 #define GUI_WIDGETS_BUTTON_H
 
+#include "gui/fonts/textchunk.h"
+
 #include "gui/widgets/widget.h"
 
 #include "listeners/focuslistener.h"
@@ -204,7 +206,7 @@ class Button final : public Widget,
          * @see getCaption, adjustSize
          */
         void setCaption(const std::string& caption)
-        { mCaption = caption; }
+        { mCaption = caption; mTextChanged = true;}
 
         /**
          * Gets the caption of the button.
@@ -273,6 +275,9 @@ class Button final : public Widget,
         std::string mCaption;
 
         std::string mDescription;
+
+        TextChunk mTextChunk;
+
         ImageCollection *mVertexes2;
         Color mEnabledColor;
         Color mEnabledColor2;
@@ -320,6 +325,7 @@ class Button final : public Widget,
 
         bool mStick;
         bool mPressed;
+        bool mTextChanged;
 };
 
 #endif  // GUI_WIDGETS_BUTTON_H
-- 
cgit v1.2.3-60-g2f50