void CHuiRasterizedTextMesh::DrawPictographLines(CHuiGc& aGc, const THuiRealPoint& aOffset,
THuiAlignHorizontal aLineAlignment) const
{
if (!iPictographInterface || iUsingPreRasterizedMesh)
{
return;
}
TInt y = 0;
// Draw the built lines using THuiImages.
for(TInt i = 0; i < iPictographLines.Count(); ++i)
{
const SRasterizedLine& line = iPictographLines[i];
if(line.iTexture)
{
THuiImage textImage(*line.iTexture);
THuiRealPoint linePos(0.f, TReal32(y));
THuiRealSize lineSize = line.iTexture->Size();
// Choose the line-specific alignment.
switch(aLineAlignment)
{
case EHuiAlignHRight:
linePos.iX = Extents().iWidth - lineSize.iWidth;
break;
case EHuiAlignHCenter:
linePos.iX = (Extents().iWidth - lineSize.iWidth) / 2;
break;
default:
break;
}
aGc.SetPenColor(KRgbWhite);
aGc.DrawImage(textImage, linePos + aOffset, lineSize);
// Move one line downwards.
y += TInt(lineSize.iHeight) + line.iGap;
}
// Move extra gap downwards.
y += line.iGap;
// Add line spacing.
y += iLineSpacing;
}
}
int main( int argc, char** argv )
{
osg::ArgumentParser arguments( &argc, argv );
osg::ref_ptr<osg::MatrixTransform> scene = new osg::MatrixTransform;
scene->addChild( createImageQuad(gradientImage(), osg::Vec3()) );
scene->addChild( createImageQuad(textImage(), osg::Vec3(1.1f, 0.0f, 0.0f)) );
osgViewer::Viewer viewer;
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
viewer.addEventHandler( new osgViewer::StatsHandler );
viewer.addEventHandler( new osgViewer::WindowSizeHandler );
viewer.setSceneData( scene.get() );
return viewer.run();
}
void Test::putSomeText(String text, Mat frame, Point point) {
stringstream textImage("");
textImage << text;
putText(frame, textImage.str(),Point(100,400), 1, 1.0, Scalar(50,50,50));
cout << point << endl;
}
void CHuiRasterizedTextMesh::DrawLines(CHuiGc& aGc, const THuiRealPoint& aOffset,
THuiAlignHorizontal aLineAlignment, TReal32 aShadowOpacity) const
{
TInt y = 0;
// Draw the built lines using THuiImages.
for(TInt i = 0; i < iLines.Count(); ++i)
{
const SRasterizedLine& line = iLines[i];
if(line.iTexture)
{
THuiImage textImage(*line.iTexture);
THuiRealPoint linePos(0.f, TReal32(y));
THuiRealSize lineSize = line.iTexture->Size();
// Do a downward scaling for line texture from TV resolution to LCD resolution.
if(iTextMeshScale != 1)
{
lineSize.iHeight = lineSize.iHeight/iTextMeshScale;
lineSize.iWidth = lineSize.iWidth/iTextMeshScale;
}
// Choose the line-specific alignment.
switch(aLineAlignment)
{
case EHuiAlignHRight:
linePos.iX = Extents().iWidth - lineSize.iWidth;
break;
case EHuiAlignHCenter:
linePos.iX = (Extents().iWidth - lineSize.iWidth) / 2;
break;
default:
break;
}
// Is there a shadow?
if ( RasterizedShadow() )
{
const TInt requestedBlurredSize = HUI_ROUND_FLOAT_TO_INT( 2*iVisual->DropShadowHandler()->iRadius.Now() );
THuiTextureHandle shadow;
TBool haveShadowTexture = line.iTexture->GetShadowTexture(shadow,requestedBlurredSize );
if ( haveShadowTexture )
{
THuiImage shadowImage(shadow);
const THuiRealRect shadowDrawingRect = iVisual->DropShadowHandler()->ShadowDrawingRealRect(
linePos,
lineSize,
shadow.Size(),
*iVisual );
const TRgb oldColor = aGc.PenColorAlpha();
aGc.SetPenColor(iVisual->DropShadowHandler()->Color());
aGc.SetPenAlpha(HUI_ROUND_FLOAT_TO_INT(aShadowOpacity * 255.0f));
const THuiQuality oldQuality = aGc.Quality();
aGc.SetQuality(EHuiQualityFast);
aGc.DrawImage(shadowImage, shadowDrawingRect.iTl + aOffset, shadowDrawingRect.Size());
aGc.SetPenColorAlpha(oldColor);
aGc.SetQuality(oldQuality);
}
}
aGc.DrawImage(textImage, linePos + aOffset, lineSize);
// Move one line downwards.
y += TInt(lineSize.iHeight) + line.iGap;
}
// Move extra gap downwards.
y += line.iGap;
// Add line spacing.
y += iLineSpacing;
}
}
