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(C++) DrawTextCentered

Graphics code snippet to draw some text centered on a TImage.

Assumes you have already defined GetFontHeight.

* View the code of 'DrawTextCentered' in plain text.

#include <string>

#include <cassert>

//From http://www.richelbilderbeek.nl/CppDrawTextCentered.htm

void DrawTextCentered(TImage * const image, const std::string& s)

{

const int textWidth = image->Canvas->TextWidth(s.c_str());

const int textHeight = GetFontHeight(image);

assert(textHeight >= 0);

const int midX = image->Picture->Graphic->Width / 2;

const int midY = image->Picture->Graphic->Height / 2;

const int x1 = midX - (textWidth / 2);

const int y1 = midY - (textHeight / 2);

const int x2 = midX + (textWidth / 2);

const int y2 = midY + (textHeight / 2);

image->Canvas->TextRect(

TRect(x1,y1,x2,y2),

x1,y1,s.c_str());

}

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