Legacy ImageMagick Discussions Archive

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MagickAnnotateImage(mwand, dwand, 0, 20, 0, text);

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#include <windows.h>
#include <wand/magick_wand.h>

void test_wand(LPTSTR lpCmdLine)
{

	MagickWand *mw = NULL;
	DrawingWand *dw = NULL;

	unsigned char *str = "Hello Magicians \xc4\x9a\xc5\x90\xc4\x9c \x61\xc4\x85\x63\xc4\x87\x65\xc4\x99\x6c\xc5\x82\x6e\xc5\x84\x6f\xc3\xb3\x73\xc5\x9b\x7a\xc5\xbc\x78\xc5\xba\x00";
	double *fm = NULL;

	MagickWandGenesis();
	mw = NewMagickWand();
	dw = NewDrawingWand();

	// Start with an empty image
	MagickReadImage(mw,"xc:");

	// Set the font information in the drawing wand
	DrawSetFontSize(dw,72);
	DrawSetFont(dw,"Times-New-Roman");

	fm = MagickQueryFontMetrics(mw, dw, str);

	// extend the size of the image - I think this is the right one to use
	// but works for me in this case
	MagickExtentImage(mw,(unsigned long)fm[4],(unsigned long)fm[5],0,0);

	// Annotate the image - Note the calculation of the y value which is 
	// because the font metrics use an origin in the lower left whereas IM has
	// its origin at top left
	// The fontmetrics origin is the *bottom* left of the text and the Y axis
	// is the baseline. Therefore, the bounding box can have a negative Y value
	// if the text contains any descenders which go below the baseline
	MagickAnnotateImage(mw,dw, 0 ,(unsigned int)(fm[8]+ fm[5]), 0.0 ,str);

	// Now write the magickwand image
	MagickWriteImage(mw,"metric.gif");

	if(mw)mw = DestroyMagickWand(mw);
	if(dw)dw = DestroyDrawingWand(dw);
	if(fm)RelinquishMagickMemory(fm);
	MagickWandTerminus();
}