nux-1.16.0
ColorRangeValuator.cpp
00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #include "Nux.h"
00024 #include "EditTextBox.h"
00025 #include "HLayout.h"
00026 #include "RangeValue.h"
00027 #include "ColorRangeValuator.h"
00028 
00029 namespace nux
00030 {
00031 
00032   ColorRangeValuator::ColorRangeValuator (float value, Color StartColor, Color EndColor)
00033     :   RangeValue (value, 0.0f, 1.0f)
00034     ,   m_StartColor (StartColor)
00035     ,   m_EndColor (EndColor)
00036   {
00037     InitializeLayout();
00038     InitializeWidgets();
00039   }
00040 
00041   ColorRangeValuator::~ColorRangeValuator()
00042   {
00043   }
00044 
00045   void ColorRangeValuator::InitializeWidgets()
00046   {
00047 
00048   }
00049 
00050   void ColorRangeValuator::InitializeLayout()
00051   {
00052 
00053   }
00054 
00055   Color ColorRangeValuator::GetColor() const
00056   {
00057     return m_Value * m_EndColor + (1.0f - m_Value) * m_StartColor;
00058   }
00059 
00060   void ColorRangeValuator::Draw (GraphicsEngine &GfxContext, bool force_draw)
00061   {
00062     Geometry base = GetGeometry();
00063 
00064     GfxContext.PushClippingRectangle (base);
00065 
00066     Geometry P = m_Percentage->GetGeometry();
00067 
00068     GetPainter().Paint2DQuadColor (GfxContext, P, m_StartColor, m_StartColor, m_EndColor, m_EndColor);
00069 
00070     m_ValueString->QueueDraw();
00071     DrawMarker (GfxContext);
00072 
00073     GfxContext.PopClippingRectangle();
00074   }
00075 
00076 
00077 }
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