nevrax.org : docs

00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX D.T.C. SYSTEM.
+00010  * NEVRAX D.T.C. SYSTEM is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX D.T.C. SYSTEM is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX D.T.C. SYSTEM; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "std_afx.h"
+00027 #include "blend_wnd.h"
+00028 #include <nel/misc/common.h>
+00029 #include <nel/3d/animation_playlist.h>
+00030 
+00031 using namespace NL3D;
+00032 using namespace NLMISC;
+00033 
+00034 #define COLOR_BLEND_ENABLE (RGB(192, 43, 223))
+00035 #define COLOR_BLEND_DISABLE (RGB(140, 113, 142))
+00036 #define SEGMENT_COUNT 10
+00037 
+00038 // ***************************************************************************
+00039 
+00040 CBlendWnd::CBlendWnd()
+00041 {
+00042 }
+00043 
+00044 // ***************************************************************************
+00045 
+00046 void CBlendWnd::MakePoint (const RECT& src, POINT& dst, float x, float y)
+00047 {
+00048         float widthClient=(float)src.right-(float)src.left;
+00049         float heightClient=(float)src.bottom-(float)src.top;
+00050         dst.x=src.left+(int)(widthClient*x);
+00051         dst.y=src.top+(int)(heightClient*y);
+00052 }
+00053 
+00054 // ***************************************************************************
+00055 
+00056 void CBlendWnd::MakeRect (const RECT& src, RECT& dst, float x, float y, float width, float height)
+00057 {
+00058         float widthClient=(float)src.right-(float)src.left;
+00059         float heightClient=(float)src.bottom-(float)src.top;
+00060         dst.left=src.left+(int)(widthClient*x);
+00061         dst.top=src.top+(int)(heightClient*y);
+00062         dst.right=src.left+(int)(widthClient*(x+width));
+00063         dst.bottom=src.top+(int)(heightClient*(y+height));
+00064 }
+00065 
+00066 // ***************************************************************************
+00067 
+00068 void CBlendWnd::OnPaint (const RECT& client, CDC* pDc, float StartBlend, float EndBlend, float StartBlendTime, float EndBlendTime, 
+00069         float Smoothness, float StartTime, float EndTime, bool enabled)
+00070 {
+00071         // Get the good color
+00072         COLORREF color=(enabled?COLOR_BLEND_ENABLE:COLOR_BLEND_DISABLE);
+00073 
+00074         // *** Paint the left rect
+00075 
+00076         // Offset start
+00077         float offsetLeft=(StartBlendTime-StartTime)/(EndTime-StartTime);
+00078         clamp (offsetLeft, 0, 1);
+00079 
+00080         // Fill the background
+00081         pDc->FillSolidRect(&client, GetSysColor (COLOR_SCROLLBAR));
+00082 
+00083         // Make a rect for left
+00084         RECT left;
+00085         MakeRect (client, left, 0.f, 1.f-StartBlend, offsetLeft, StartBlend);
+00086         pDc->FillSolidRect(&left, color);
+00087 
+00088         // *** Paint the right rect
+00089 
+00090         // Offset start
+00091         float offsetRight=(EndBlendTime-StartTime)/(EndTime-StartTime);
+00092         clamp (offsetRight, 0, 1);
+00093 
+00094         // Make a rect for left
+00095         RECT right;
+00096         MakeRect (client, right, offsetRight, 1.f-EndBlend, 1.f-offsetRight, EndBlend);
+00097         pDc->FillSolidRect(&right, color);
+00098 
+00099         // *** Paint the inter zone
+00100 
+00101         // Set pen and brush color
+00102     CPen myPen (PS_NULL, 0, color);
+00103     CBrush myBrush (color);
+00104         CPen* oldPen=NULL;
+00105         CBrush* oldBrush=NULL;
+00106 
+00107     // Then initialize it
+00108         oldPen=pDc->SelectObject (&myPen);
+00109         oldBrush=pDc->SelectObject (&myBrush);
+00110 
+00111         for (uint i=0; i<SEGMENT_COUNT; i++)
+00112         {       
+00113                 // Offset of the polygon
+00114                 float firstOffset=offsetLeft+(float)i*(offsetRight-offsetLeft)/(float)SEGMENT_COUNT;
+00115                 float nextOffset=offsetLeft+(float)(i+1)*(offsetRight-offsetLeft)/(float)SEGMENT_COUNT;
+00116 
+00117                 // Get time
+00118                 float firstTime=StartBlendTime+(float)i*(EndBlendTime-StartBlendTime)/(float)SEGMENT_COUNT;
+00119                 float nextTime=StartBlendTime+(float)(i+1)*(EndBlendTime-StartBlendTime)/(float)SEGMENT_COUNT;
+00120 
+00121                 // Get the values
+00122                 float firstValue=CAnimationPlaylist::getWeightValue (StartBlendTime, EndBlendTime, firstTime, StartBlend, EndBlend, Smoothness);
+00123                 float nextValue=CAnimationPlaylist::getWeightValue (StartBlendTime, EndBlendTime, nextTime, StartBlend, EndBlend, Smoothness);
+00124 
+00125                 // Setup polygon points
+00126                 POINT polygon[4];
+00127                 MakePoint (client, polygon[0], firstOffset, 1.f);
+00128                 MakePoint (client, polygon[1], firstOffset, 1.f-firstValue);
+00129                 MakePoint (client, polygon[2], nextOffset, 1.f-nextValue);
+00130                 MakePoint (client, polygon[3], nextOffset, 1.f);
+00131 
+00132                 // Draw the polygon
+00133                 pDc->Polygon (polygon, 4);
+00134         }
+00135 
+00136         // Draw limit line
+00137     CPen myBlackPen (PS_SOLID, 1, RGB(0,0,0));
+00138         pDc->SelectObject (&myBlackPen);
+00139 
+00140         POINT p0;
+00141         POINT p1;
+00142         //MakePoint (client, p0, offsetLeft, 1.f-StartBlend);
+00143         MakePoint (client, p0, offsetLeft, 0.f);
+00144         MakePoint (client, p1, offsetLeft, 1.f);
+00145         pDc->MoveTo (p0);
+00146         pDc->LineTo (p1);
+00147         //MakePoint (client, p0, offsetRight, 1.f-EndBlend);
+00148         MakePoint (client, p0, offsetRight, 0.f);
+00149         MakePoint (client, p1, offsetRight, 1.f);
+00150         pDc->MoveTo (p0);
+00151         pDc->LineTo (p1);
+00152 
+00153         // Make frame
+00154         pDc->MoveTo (client.left, client.top);
+00155         pDc->LineTo (client.right, client.top);
+00156         pDc->LineTo (client.right, client.bottom);
+00157         pDc->LineTo (client.left, client.bottom);
+00158         pDc->LineTo (client.left, client.top);
+00159 
+00160     // Then reselect old object
+00161         pDc->SelectObject (oldPen);
+00162         pDc->SelectObject (oldBrush);
+00163 }
+00164 
+00165 // ***************************************************************************
+
blend_wnd.cpp
