wxSize legendText::GetTextSize(const wxString& text)
{
wxBitmap bmp( 1, 1 );
wxMemoryDC textDrawer(bmp);
textDrawer.SetBrush( *wxGREEN_BRUSH );
textDrawer.SetTextBackground(textBackground);
textDrawer.SetTextForeground(textForeground);
textDrawer.SetFont(textFont);
wxSize sizeText;
sizeText=textDrawer.GetTextExtent(text);
return sizeText;
}
/*
void legendText::DoAppendText(const wxString& text,int x,int y, bool overwrite,int maxLength)
{
//Todo utiliser uniquement l'espace nécessaire à la chaine de caractère
wxMemoryDC textDrawer;
textDrawer.SetBrush( *wxGREEN_BRUSH );
textDrawer.SetTextBackground(textBackground);
textDrawer.SetTextForeground(textForeground);
textDrawer.SetFont(textFont);
wxSize sizeText;
if(maxLength==-1 || maxLength<text.size())
sizeText=textDrawer.GetTextExtent(text);
else
sizeText=textDrawer.GetTextExtent(wxString("0",maxLength));
if(!foreground_tex)
{
legendObject::Init(sizeText.GetWidth(),sizeText.GetHeight());
}
unsigned char* color=new unsigned char[objConfig.width*objConfig.height*3];
unsigned char* alpha=new unsigned char[objConfig.width*objConfig.height];
memset(color,0,objConfig.width*objConfig.height*3);
memset(alpha,255,objConfig.width*objConfig.height);
wxImage emptyImage(objConfig.width,objConfig.height,color,alpha);
wxBitmap tmpBitmap(emptyImage);
textDrawer.SelectObject(tmpBitmap);
if(textBackground.Alpha()==255)
textDrawer.SetBackgroundMode(wxSOLID);
else
textDrawer.SetBackgroundMode(wxTRANSPARENT);
textDrawer.DrawText(text,x,y);
textDrawer.SelectObject(wxNullBitmap);
wxImage imageTxt=tmpBitmap.ConvertToImage();
CopyFont(imageTxt.GetData(),imageTxt.GetAlpha(),overwrite);
}
*/
void legendText::DoAppendText(const wxString& text,int x,int y, bool overwrite,int maxLength)
{
//Todo utiliser uniquement l'espace nécessaire à la chaine de caractère
wxBitmap bmp(1,1);
wxMemoryDC textDrawer(bmp);
textDrawer.SetBrush( *wxGREEN_BRUSH );
textDrawer.SetTextBackground(textBackground);
textDrawer.SetTextForeground(textForeground);
textDrawer.SetFont(textFont);
wxSize sizeText;
if(maxLength==-1 || maxLength<text.size())
{
sizeText=textDrawer.GetTextExtent(text);
}else{
sizeText=textDrawer.GetTextExtent(wxString("0").Pad(maxLength));
}
if(!foreground_tex)
{
legendObject::Init(sizeText.GetWidth(),sizeText.GetHeight());
}
unsigned char* color=new unsigned char[sizeText.GetWidth()*sizeText.GetHeight()*3];
unsigned char* alpha=new unsigned char[sizeText.GetWidth()*sizeText.GetHeight()];
memset(color,0,sizeText.GetWidth()*sizeText.GetHeight()*3);
memset(alpha,255,sizeText.GetWidth()*sizeText.GetHeight());
wxImage emptyImage(sizeText.GetWidth(),sizeText.GetHeight(),color,alpha);
wxBitmap tmpBitmap(emptyImage);
textDrawer.SelectObject(tmpBitmap);
if(textBackground.Alpha()==255)
textDrawer.SetBackgroundMode(wxSOLID);
else
textDrawer.SetBackgroundMode(wxTRANSPARENT);
textDrawer.DrawText(text,0,0);
textDrawer.SelectObject(wxNullBitmap);
wxImage imageTxt=tmpBitmap.ConvertToImage();
DoCopy(imageTxt.GetData(),imageTxt.GetAlpha(),sizeText.GetWidth(),sizeText.GetHeight(),overwrite,x,y);
}
void CFontSizeTestControl::Draw(const TRect& aRect) const
{
CWindowGc& gc = SystemGc();
gc.SetBrushColor(iBackgroundColor);
// get the nearest font matching the desired height
CFont* font = NULL;
TFontSpec fontSpec;
fontSpec.iTypeface.iName = KNokiaSeries60Font;
fontSpec.iHeight = iFontSize;
CWsScreenDevice* screen = CCoeEnv::Static()->ScreenDevice();
ASSERT(screen->GetNearestFontToDesignHeightInPixels(font, fontSpec) == KErrNone);
iBidiText->WrapText(aRect.Width() - ESideBearingsAllowance, *font, NULL, EMaximumTextLines);
// it's recommended to create the text drawer in the actual draw function
XCoeTextDrawer textDrawer(TextDrawer());
textDrawer->SetMargins(iMargin);
textDrawer->SetAlignment(TGulAlignment(EHCenterVCenter));
textDrawer->SetTextColor(KRgbBlack);
textDrawer->SetLineGapInPixels(EGapBetweenTextLines);
textDrawer.SetClipRect(aRect);
textDrawer.DrawText(gc, *iBidiText, aRect, *font);
// Release font, otherwise there are problems deleting iScreen (still holds references)
screen->ReleaseFont(font);
// Draw font 1 pixel larger or smaller next time.
if (iIncreaseFontSize)
{
++iFontSize;
}
else
{
if (iFontSize > 1)
{
--iFontSize;
}
}
}
//--------------------------------------------------------------------------------------------------
/// Set up camera/viewport and render
//--------------------------------------------------------------------------------------------------
void OverlayColorLegend::render(OpenGLContext* oglContext, const Vec2ui& position, const Vec2ui& size, bool software)
{
if (size.x() <= 0 || size.y() <= 0)
{
return;
}
Camera camera;
camera.setViewport(position.x(), position.y(), size.x(), size.y());
camera.setProjectionAsPixelExact2D();
camera.setViewMatrix(Mat4d::IDENTITY);
camera.applyOpenGL();
camera.viewport()->applyOpenGL(oglContext, Viewport::CLEAR_DEPTH);
// Get layout information
// Todo: Cache this between renderings. Update only when needed.
OverlayColorLegendLayoutInfo layout(position, size);
layoutInfo(&layout);
// Set up text drawer
TextDrawer textDrawer(m_font.p());
setupTextDrawer(&textDrawer, &layout);
// Do the actual rendering
if (software)
{
renderLegendImmediateMode(oglContext, &layout);
textDrawer.renderSoftware(oglContext, camera);
}
else
{
const MatrixState matrixState(camera);
renderLegend(oglContext, &layout, matrixState);
textDrawer.render(oglContext, camera);
}
CVF_CHECK_OGL(oglContext);
}
