Impala Documentation

void OglGui::Slider::VerBackDrawing	(	int	x,
		int	wndW,
		int	wndH
	)			const `[inline]`

Definition at line 92 of file Slider.h.

References mMaxVal, mMinVal, OglGui::OglWindow::mOglWnd, mPrecisionIdx, mShowTicks, mShowTickValue, mThumbH, mTickInterval, and mUpsideDown.

Referenced by DisplayFunc().

00093     {
00094         char    buf[25], format[10];
00095         int     tW, tH, y, oldTickY = -100;
00096 
00097         // Draw base line
00098         SetSolidLineColor(oglBLACK);
00099         DrawLine(x, mThumbH/2, x, wndH - mThumbH/2);
00100         SetSolidLineColor(oglWHITE);
00101         DrawLine(x-1, mThumbH/2, x - 1, wndH - mThumbH/2);
00102 
00103         if (mShowTicks && (wndH > mThumbH + 40) &&
00104            (mUpsideDown ? (x - 3 > 0) : (x + 3 < wndW)))
00105         {
00106             for(int i = mMinVal; i < mMaxVal+mTickInterval; i += mTickInterval)
00107             {
00108                 int tickLen = 5;
00109 
00110                 if (i > mMaxVal)
00111                     i = (int) mMaxVal;
00112 
00113                 y = (int) (mThumbH/2 + ((i-mMinVal) /
00114                           (float) (mMaxVal-mMinVal)) * (wndH-mThumbH));
00115 
00116                 if (mShowTickValue)
00117                 {
00118                     sprintf(format, "%%.%df", mPrecisionIdx);
00119                     sprintf(buf, format, i / pow(10.0,mPrecisionIdx));
00120 
00121                     oglSys.GetTextExtent(mOglWnd, buf, &tW, &tH);
00122                     if (y - oldTickY > tH/2 + 8)
00123                     {
00124                         tickLen += 3;
00125                         oldTickY = y;
00126                         int len = mUpsideDown ? -(tickLen+5+tW) : (tickLen+2);
00127                         oglSys.ShadowPrintf(mOglWnd, x + len, y - 5, oglWHITE,
00128                                             oglBLACK, "%s", buf);
00129 
00130                     }
00131                 }
00132                 int x1 = x + (mUpsideDown ? -2 : 0);
00133                 int x2 = x1 + (mUpsideDown ? -tickLen : tickLen);
00134                 SetSolidLineColor(oglWHITE);
00135                 DrawLine(x1, y, x2, y);
00136                 SetSolidLineColor(oglDARKGREY);
00137                 DrawLine(x1, y-1, x2, y-1);
00138             }
00139         }
00140     }