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php Programming Glossary: paletteHow to check a PNG for grayscale/alpha color type? http://stackoverflow.com/questions/2057923/how-to-check-a-png-for-grayscale-alpha-color-type I don't know how to do that 0 greyscale 2 RGB 3 RGB with palette 4 greyscale alpha 6 RGB alpha The preceding byte offset 24 gives..
Detect “overall average” color of the picture http://stackoverflow.com/questions/3468500/detect-overall-average-color-of-the-picture question You can use PHP to get an array of the color palette like so php function colorPalette imageFile numColors granularity.. array_slice array_keys colors 0 numColors sample usage palette colorPalette 'rmnp8.jpg' 10 4 echo table n foreach palette as.. palette colorPalette 'rmnp8.jpg' 10 4 echo table n foreach palette as color echo tr td style 'background color # color width 2em..
PHP Thumbnail Image Resizing with proportions http://stackoverflow.com/questions/4590441/php-thumbnail-image-resizing-with-proportions newwidth newheight palsize ImageColorsTotal img Get palette size for original image for i 0 i palsize i Assign color palette.. size for original image for i 0 i palsize i Assign color palette to new image colors ImageColorsForIndex img i ImageColorAllocate..
Colorizing and swapping colors with PHP GD Image Library? http://stackoverflow.com/questions/717686/colorizing-and-swapping-colors-with-php-gd-image-library not a gif Is there something I need to do with the color palette Thanks any help would be greatly appreciated STOOB php image..
Detecting colors for an Image using PHP http://stackoverflow.com/questions/7727843/detecting-colors-for-an-image-using-php function detectColors image num level 5 level int level palette array size getimagesize image if size return FALSE switch size.. rgb 'green' 0x33 0x33 round round rgb 'blue' 0x33 0x33 palette color isset palette color palette color 1 arsort palette return.. 0x33 round round rgb 'blue' 0x33 0x33 palette color isset palette color palette color 1 arsort palette return array_slice array_keys..
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