<?php
$cmd = "$input -adaptive-blur 0x2 ";
exec("convert $cmd adaptive-blur.jpg");
?>
Adaptively blur pixels, with decreasing effect near edges.
<?php
$cmd = "$input -adaptive-resize 133x100 ";
exec("convert $cmd adaptive-resize.jpg");
?>
Resize the image using data-dependent triangulation.
<?php
$cmd = "$input -adaptive-sharpen 5x0.5 ";
exec("convert $cmd adaptive-sharpen.jpg");
?>
Adaptively sharpen pixels, with increasing effect near edges.
<?php
$cmd = "*.pdf -adjoin";
exec("convert $cmd adjoin.pdf");
?>
Join images into a single multi-image file.
<?php
$cmd = "delay.gif +adjoin";
exec("convert $cmd adjoin_%03d.gif");
?>
Specify whether to force IM to output images sequences as one image per file, when writing to image file formats
that can normally handle multiple images per file.
Specifying a '%d' number syntax in the output filename also enables this option automatically for that specific case.
Such multi-image formats include GIF, MIFF, TIFF, and the NetPBM file formats. But excluces both PNG, JPEG
<?php
$cmd = "$input -matte -virtual-pixel Transparent".
" -affine 1,.3,0,1,0,0 -transform +repage";
exec("convert $cmd affine.png");
?>
Set the drawing transformation matrix for combined rotating and scaling.
Set the affine matrix for '-draw' vector operations and for the '-transform' distortion operators.
However -affine and -transform are depreciated by the -distort AffineProjection operation and
affine draw effects are normally specified within -draw arguments instead of using -affine
<?php
$cmd = "boots.png -alpha off";
exec("convert $cmd alpha.png");
?>
Gives control of the alpha/matte channel of an image.
<?php
$cmd = "$input -fill black -pointsize 40".
" -gravity center -annotate +0+0 \"Annotate\"".
" -fill white -annotate +2+2 \"Annotate\"";
exec("convert $cmd annotate.jpg");
?>
Annotate an image with text - no options
<?php
$cmd = "$input -fill white -pointsize 30 -gravity center ".
" -annotate -45 \"Angle annotate\"";
exec("convert $cmd annotate_angle.jpg");
?>
Annotate an image with text - angle option
<?php
$cmd = "-size 213x160 xc:NavajoWhite -antialias ".
"-stroke black -strokewidth 5 ".
"-draw \"line 20,20 190,140 \" ";
exec("convert $cmd antialias_on.jpg");
?>
Enable/Disable of the rendering of anti-aliasing pixels when drawing fonts and lines. on - default and so -antialias does not need to be specified.
<?php
$cmd = "-size 213x160 xc:NavajoWhite +antialias ".
"-stroke black -strokewidth 5 ".
"-draw \"line 20,20 190,140 \" ";
exec("convert $cmd antialias_off.jpg");
?>
Enable/Disable of the rendering of anti-aliasing pixels when drawing fonts and lines. off.
<?php
$cmd = "$input $input -append";
exec("convert $cmd append_vert.jpg");
?>
Join current images vertically or horizontally. - now one image consisting of the two original images.
<?php
$cmd = "$input $input +append";
exec("convert $cmd append_horiz.jpg");
?>
Join current images vertically or horizontally. - now one image consisting of the two original images.
<?php
$cmd = "$input -attenuate 1.5 +noise Impulse";
exec("convert $cmd attenuate.jpg");
?>
Lessen (or intensify) when adding noise to an image.
<?php
$cmd = "-authenticate passwd input.pdf";
exec("convert $cmd authenticate.jpg");
?>
Decrypt a PDF with a password.
<?php
$cmd = "$input -auto-gamma";
exec("convert $cmd auto_gamma.jpg");
?>
Automagically adjust gamma level of image.
<?php
$cmd = "$input -auto-level";
exec("convert $cmd auto_level.jpg");
?>
Automagically adjust color levels of image.
Auto-level is a mathematically perfect 'normalize'.
The -normalize operator is similar but 'clips' or 'burns' as few pixels at the extremes, and it is the prefered method when JPEG images are used.
<?php
$cmd = "$input -auto-orient";
exec("convert $cmd auto_orient.jpg");
?>
Automagically orient (rotate) an image created by a digital camera.
<?php
$cmd = "$input channel.jpg -average";
exec("convert $cmd average.jpg");
?>
Average a set of images.
Display the image centered on a backdrop ( use with animate and display ).
<?php
$cmd = "$input -background NavajoWhite ".
"-shear 15x15";
exec("convert $cmd shear.jpg");
?>
Background sets the canvas colour and will be exposed when using other operators like rotate and shear. You can have a background of none which is transparent but the image must be saved as a gif or png.
24.835u 0:19 )
<?php
$cmd = "logo: -resize 1000% -bench 3 ";
exec("convert $cmd biglogo.png 2>&1", $output);
print_r($output);
?>
Measure performance.
<?php
$cmd = " $input -intent relative -black-point-compensation -profile WebCoatedFOGRA28.icc ";
exec("convert $cmd black_point_compensation.jpg");
?>
Use blackpoint compensation.
<?php
$cmd = "$input -black-threshold 30%";
exec("convert $cmd black_threshold.jpg");
?>
Force to black all pixels below the threshold while leaving all pixels at or above the threshold unchanged.
<?php
$cmd = "-size 213x160 xc:blue miff:- ".
"| composite $input +swap -blend 70 - ";
exec("convert $cmd blend.jpg");
?>
Blend an image into another by the given percent.
<?php
$cmd = "$input blue-primary 50,100";
exec("convert $cmd blue_primary.jpg");
?>
Set the blue chromaticity primary point.
<?php
$cmd = "$input -blue-shift 1.5 ";
exec("convert $cmd blue-shift.jpg");
?>
Simulate a scene at night time in the moonlight. Start with a factor of 1.5
<?php
$cmd = "$input -blur 15";
exec("convert $cmd blur_simple.jpg");
?>
Reduce image noise and reduce detail levels. The method below is the prefered one
<?php
$cmd = "$input -blur 0x1";
exec("convert $cmd blur.jpg");
?>
Reduce image noise and reduce detail levels.
<?php
$cmd = "$input -bordercolor NavajoWhite ".
"-border 10x10";
exec("convert $cmd border.jpg");
?>
Surround the image with a border of color. - the border increases the size of the image by 2 x the width of the border. The top and bottom border size can be different to the left and right.
<?php
$cmd = "$input -bordercolor Orange -border 10x5";
exec("convert $cmd bordercolor.jpg");
?>
Set the border color.
<?php
$cmd = "-size 213x130 -background NavajoWhite ".
"-fill white -gravity center caption:\"Caption\" ";
exec("convert $cmd caption.jpg");
?>
Assign a caption to an image. - the font size is automaticaly sellected to fit the width.
<?php
$size = getimagesize( $input );
$cmd = " $input ( -size {$size[0]}x30".
" -background black -fill white".
" -pointsize 16 -gravity center ".
"caption:\"Caption\" -flatten ) -append ";
exec("convert $cmd caption_size.jpg");
?>
Assign a caption to an image.- font size defined.
<?php
$cmd = "$input -channel RB -fx 0 ";
exec("convert $cmd channel.jpg");
?>
Specify those image color channels to which subsequent operators are limited. - in this case setting red and blue channels to zero
<?php
$cmd = "$input -charcoal 1 ";
exec("convert $cmd charcoal.jpg");
?>
Simulate a charcoal drawing.
<?php
$cmd = "$input -gravity center -chop 20x20 ";
exec("convert $cmd chop.jpg");
?>
Remove pixels from the interior of an image. The image size is reduced by the amount of pixels removed from the image.
<?php
$cmd = "$input ( +clone -thumbnail x480 -write 480_wide.jpg".
" +delete ) -thumbnail 64x64! ";
exec("convert $cmd clone.jpg");
?>
Make a copy of an image (or images).
<?php
$cmd = "texture_plaster.bmp gradient.png".
" -clut";
exec("convert $cmd clut.jpg");
?>
Replace the channel values in the first image using each corresponding channel in the second image as a color lookup table.
<?php
$cmd = "$input -fill Blue -colorize 30 ";
exec("convert $cmd colorize.jpg");
?>
Colorize the image by an amount specified by value using the color specified by the most recent -fill setting.
<?php
$cmd = "$input -colors 10 ";
exec("convert $cmd colors.jpg");
?>
Set the preferred number of colors in the image.
<?php
$cmd = "$input -thumbnail 200x -colorspace gray";
exec("convert $cmd colorspace.jpg");
?>
Set the image colorspace.
<?php
$cmd = " separate-0.png separate-1.png separate-2.png".
" -channel RGB -combine ";
exec ("convert $cmd combine.png");
?>
Combine one or more images into a single image. In this case the 3 images created by -separate.
<?php
$cmd = "$input -comment \"Comment imbeded in image\" ";
exec("convert $cmd comment.jpg");
?>
A program to display the differences between two images.
<?php
$cmd = " $input annotate_angle.jpg ";
exec("compare $cmd compare.jpg");
?>
A program to display the differences between two images.
<?php
$cmd = "$input boots.png -composite ";
exec("convert $cmd composite.jpg");
?>
Perform alpha composition on the current image sequence.
<?php
$cmd = "$input -compress JPEG ";
exec("convert $cmd compress.jpg");
?>
Use pixel compression specified by type when writing the image.
<?php
$cmd = "$input -contrast";
exec("convert $cmd contrast.jpg");
?>
Enhance or reduce the image contrast.
<?php
$cmd = "$input -contrast-stretch \"2%\" ";
exec("convert $cmd contrast-stretch.jpg");
?>
Increase the contrast in an image by stretching the range of intensity values.
<?php
$cmd = "$input -crop 125x135+60+15 +repage";
exec("convert $cmd crop.jpg");
?>
Cut out one or more rectangular regions of the image.
<?php
$cmd = "$input -cycle 20";
exec("convert $cmd cycle.jpg");
?>
Displace image colormap by amount.
(
[0] =>
2009-06-06T19:52:00+01:00 0:01
0.000u 6.5.1 Configure convert[3624]:
utility.c/ExpandFilenames/826/Configure
[1] =>
Command line: convert {-debug} {all}
{output.png} {output.jpg}
<?php
$array = array();
echo "<pre>";
exec("convert -debug all output.png output.jpg 2>&1", $array);
echo "<br>".print_r($array)."<br>";
echo "</pre>";
?>
Enable debug printout.
<?php
$cmd = "encipher.png -decipher passkey.txt ";
exec("convert $cmd decipher.png");
?>
Decipher and restore pixels that were previously transformed by -encipher.
Find areas that has changed between images depreciated see -layers frame-optimize.
<?php
$cmd = "-size 80x80 xc:none -stroke green ".
"-strokewidth 3 -fill none ".
"-draw \"circle 40,40 40,10 \" ";
exec("convert $cmd ball.gif");
$cmd = " -dispose previous -delay 50".
" -size 213x160 xc:none".
" -page +0+0 ball.gif -page +10+15 ball.gif".
" -page +20+30 ball.gif -page +30+45 ball.gif".
" -page +40+60 ball.gif -page +50+75 ball.gif".
" -page +60+90 ball.gif -page +70+75 ball.gif".
" -page +80+60 ball.gif -page +90+45 ball.gif".
" -page +100+30 ball.gif -page +110+15 ball.gif".
" -page +120+0 ball.gif -loop 0";
exec("convert $cmd delay.gif");
?>
Display the next image after pausing.
<?php
$cmd = "$input ( +clone -thumbnail x480 -write 480_wide.jpg".
" +delete ) -thumbnail \"64x64!\" ";
exec("convert $cmd delete.jpg");
?>
Delete the image, specified by its index, from the image sequence.
<?php
$cmd = "$input -density 200x200";
exec("convert $cmd density.jpg");
?>
Set the horizontal and vertical resolution of an image for rendering to devices.
<?php
$cmd = "shear_x.jpg -deskew 40%";
exec("convert $cmd deskew.jpg");
?>
Straighten an image. A threshold of 40% works for most images. NO EFFECT
Original
<?php
$cmd = "number.png input.png -edge 2 -negate -despeckle ";
exec("convert $cmd despeckle.jpg");
?>
Reduce the speckles within an image.
<?php
$cmd = "-size 80x80 xc:none -stroke brown ".
"-strokewidth 3 -fill none ".
"-draw \"circle 40,40 40,10 \" ";
exec("convert $cmd ball.gif");
$cmd = " -dispose background -delay 50 -size 266x200 ".
" xc:none".
" -page +0+0 ball.gif -page +10+15 ball.gif".
" -page +20+30 ball.gif -page +30+45 ball.gif".
" -page +40+60 ball.gif -page +50+75 ball.gif".
" -page +60+90 ball.gif -page +70+75 ball.gif".
" -page +80+60 ball.gif -page +90+45 ball.gif".
" -page +100+30 ball.gif -page +110+15 ball.gif".
" -page +120+0 ball.gif -loop 0";
exec("convert $cmd dispose.gif");
?>
Define the GIF disposal image setting for images that are being created or read in.
<?php
$cmd = "-dissolve 70% -gravity center boots.png $input ";
exec("composite $cmd dissolve.jpg");
?>
Dissolve an image into another by the given percent.
<?php
$cmd = "$input -matte -virtual-pixel transparent -distort arc 180";
exec("convert $cmd distort_arc.png");
?>
Distort an image, using the given method and its required arguments. Image displayed on a grey checkerboard to show the transparent areas.
<?php
$cmd = "$input -matte -virtual-pixel transparent".
" -distort barrel \"0.2 0.2 0.2 1.0 \" -trim";
exec("convert $cmd distort_barrel.png");
?>
Distort an image, using the given method and its required arguments. Barrel.
<?php
$cmd = "$input -matte -virtual-pixel transparent".
" -distort BarrelInverse \"0.2 0.2 0.2 1.0 \" -trim";
exec("convert $cmd distort_barrelInverse.png");
?>
Distort an image, using the given method and its required arguments. -THIS IS NOT THE CORRECT EFFECT Image displayed on a grey checkerboard to show the transparent areas.
<?php
$cmd = "$input -matte -virtual-pixel transparent".
" -distort Perspective \"0,0 0,0 0,200 0,200 266,200 266,180 266,0 266,20 \" ";
exec("convert $cmd distort_perspective.png");
?>
Distort an image, using the given method and its required arguments. Image displayed on a grey checkerboard to show the transparent areas.
<?php
$cmd = "$input -matte -virtual-pixel transparent".
" -distort polar \"100,20 133,100 180,270\" ";
exec("convert $cmd distort_polar.png");
?>
Distort an image, using the given method and its required arguments. Image displayed on a grey checkerboard to show the transparent areas.
<?php
$cmd = "$input -matte -virtual-pixel transparent".
" -distort Shepards \"0,0 0,0 0,100 20,100 0,200".
" 0,200 133,200 133,180 266,200 266,200 266,100".
" 246,100 266,0 266,0 133,0 133,20\" ";
exec("convert $cmd distort_shepards.png");
?>
Distort an image, using the given method and its required arguments. Image displayed on a grey checkerboard to show the transparent areas.
<?php
$cmd = "$input -dither Riemersma -colors 16";
exec("convert $cmd dither.jpg");
?>
Apply a Riemersma or Floyd-Steinberg error diffusion dither to images when general color reduction is applied via an option, or automagically when saving to specific formats. This enabled by default.
<?php
$cmd = "-size 213x160 xc:NavajoWhite -stroke black ".
"-strokewidth 1 -fill none -draw \"arc 66,50 200,150 0,135 \" ";
exec("convert $cmd draw_arc.jpg");
?>
Annotate an image with one or more graphic primitives.
<?php
$cmd = "-size 213x160 xc:NavajoWhite -stroke black ".
"-strokewidth 1 -fill none -draw \"circle 107,80 107,10 \" ";
exec("convert $cmd draw_circle.jpg");
?>
Annotate an image with one or more graphic primitives. - using -fill none draws the outline only. You can use -linewidth as well as -strokewidth.
<?php
$cmd = "-size 213x160 xc:NavajoWhite -stroke black ".
"-strokewidth 1 -fill none -draw \"line 20,20 193,140 \" ";
exec("convert $cmd draw_line.jpg");
?>
Annotate an image with one or more graphic primitives.
<?php
$cmd = "-size 213x160 xc:NavajoWhite -stroke black ".
"-strokewidth 1 -fill none -draw \"rectangle 20,20 193,140 \" ";
exec("convert $cmd draw_rectangle.jpg");
?>
Annotate an image with one or more graphic primitives.
<?php
$cmd = "-size 213x160 xc:NavajoWhite -stroke black ".
"-strokewidth 1 -fill none ".
"-draw \"roundRectangle 20,20 193,140 10,10 \" ";
exec("convert $cmd draw_round_rectangle.jpg");
?>
Annotate an image with one or more graphic primitives.
<?php
$cmd = "$input -pointsize 35 -fill white ".
"-gravity south -draw \" text 0,0 'Draw text' \" ";
exec("convert $cmd draw_text.jpg");
?>
Annotate an image with one or more graphic primitives.
<?php
$cmd = "$input -edge 2 ";
exec("convert $cmd edge.jpg");
?>
Detect edges within an image.
Original
<?php
$cmd = "number.png input.png -edge 2 -negate -despeckle ";
exec("convert $cmd edge_number.jpg");
?>
Detect edges within an image.
<?php
$cmd = "$input -emboss 5 ";
exec("convert $cmd emboss.jpg");
?>
Emboss an image.
<?php
$cmd = "$input -encipher passkey.txt ";
exec("convert $cmd encipher.png");
?>
Encipher pixels for later deciphering by -decipher. The key is in the text file or can be another image.
<?php
$cmd = "-size 213x100 -background NavajoWhite -fill white".
" -gravity center -encoding Latin 2 caption:\"Encoding\" ";
exec("convert $cmd encoding.gif");
?>
Specify the text encoding. NOT CORRECT USAGE ?
<?php
$cmd = "$input -equalize";
exec("convert $cmd equalize.jpg");
?>
Perform histogram equalization on the image channel-by-channel.
<?php
$cmd = "$input -matte -channel A -evaluate set 70% +channel";
exec("convert $cmd evaluate.png");
?>
Alter channel pixels by evaluating an arithmetic, relational, or logical expression. This example makes the image 30% transparent
<?php
$cmd = "$input -background NavajoWhite".
" -gravity center -extent 213x213 ";
exec("convert $cmd extent.jpg");
?>
Set the image size and offset.
<?php
$cmd = "-size 213x160 -extract 100x100+65+30".
" $input";
exec("convert $cmd extract.jpg");
?>
Extract the specified area from image.
<?php
$cmd = "$input -fill blue -fuzz \"10%\"".
" -opaque \"#7b1216\" ";
exec("convert $cmd Fill.png");
?>
Color to use when filling a graphic primitive.
<?php
$cmd = "$input -filter box -resize \"50%\" ";
exec("convert $cmd filter.jpg");
?>
Filter to be used during resize. The standard filter is Mitchell, except when shrinking images without transparency, which is Lanczos
<?php
$cmd = "-size 266x100 -background NavajoWhite -fill white".
" -gravity center caption:\"flatten\" ";
exec("convert $cmd flatten.jpg");
?>
This is a simple alias for the -layers method "flatten".
<?php
$cmd = "$input -flip ";
exec("convert $cmd flip.jpg");
?>
Create a mirror image.
<?php
$cmd = "$input -fill Blue -fuzz \"25%\" -floodfill +80+30 ".
" \"#7b1216\"";
exec("convert $cmd floodfill.jpg");
?>
Floodfill the image with color at the specified offset. Using -fuzz to floodfill pixels which only change by a small amount.