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/*
	Read a TIFF, cut its dimension in half using a Lanczos filter,
	set the image compression quality to 95 and write the result as
	a JPG

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

void test_wand(void)
{
	MagickWand *m_wand = NULL;

	int width,height;

	MagickWandGenesis();

	m_wand = NewMagickWand();
	// Read the image
	MagickReadImage(m_wand,"input.tiff");
	
	// Get the image's width and height
	width = MagickGetImageWidth(m_wand);
	height = MagickGetImageHeight(m_wand);
	
	// Cut them in half but make sure they don't underflow
	if((width /= 2) < 1)width = 1;
	if((height /= 2) < 1)height = 1;

	// Resize the image
	// The filter is one of:
	//%    Bessel   Blackman   Box
	//%    Catrom   Cubic      Gaussian
	//%    Hanning  Hermite    Lanczos
	//%    Mitchell Point      Quandratic
	//%    Sinc     Triangle
	// The blur factor is a "double", where > 1 is blurry, < 1 is sharp
	MagickResizeImage(m_wand,width,height,LanczosFilter,0.5);

	// Set the compression quality to 95 (high quality = low compression)
	MagickSetImageCompressionQuality(m_wand,95);
	/* Write the new image */
	MagickWriteImage(m_wand,"output.jpg");

	/* Clean up */
	if(m_wand)m_wand = DestroyMagickWand(m_wand);

	MagickWandTerminus();
}