Legacy ImageMagick Discussions Archive

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$canvas=NewMagickWand();
MagickNewImage($canvas,500, 600, $bk_color);

//copy and flip image
$add_wand2 = CloneMagickWand($add_wand);
MagickFlipImage($add_wand2); 

MagickCompositeImage( $canvas, $add_wand, MW_OverCompositeOp, 0, 0);
MagickCompositeImage( $canvas, $add_wand2, MW_OverCompositeOp, 0, 400);

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MagickSetImageAlphaChannel($mw, MW_DeactivateAlphaChannel);

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<?php
	$mw = NewMagickWand();
	MagickReadImage($mw,"strawberry.png");

	// we need to get the dimensions of the image
	$w = MagickGetImageWidth($mw);
	$h = MagickGetImageHeight($mw);

	// +matte is the same as -alpha off
MagickSetImageAlphaChannel($mw, MW_DeactivateAlphaChannel);

	// clone the input image
	$mwr = CloneMagickWand($mw);

	// Resize it and flip the image
	MagickResizeImage($mwr,$w,$h/2,MW_LanczosFilter,1);
	MagickFlipImage($mwr); 

	// Create the gradient image which will be used as the alpha
	// channel in the reflection image
	$mwg = NewMagickWand();
	MagickSetSize($mwg,$w,$h/2);
	MagickReadImage($mwg,"gradient:white-black");

	// Copy the gradient in to the alpha channel of the reflection image
	MagickCompositeImage($mwr,$mwg,MW_CopyOpacityCompositeOp,0,0);

	// Add the reflection image to the wand which holds the original image
	MagickAddImage($mw,$mwr);
	// Destroy and reuse $mwg as the result image after the appen
	if($mwg) $mwg = DestroyMagickWand($mwg);

	// Append the reflection to the bottom (MagickTrue) of the original image
	$mwg = MagickAppendImages($mw,true);


	MagickSetFormat($mwg, "png");
	header( 'Content-Type: image/png');
	MagickEchoImageBlob($mwg);
?>  

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	MagickSetImageMatte(mw,MagickFalse);