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php Programming Glossary: blendingWhy does this transparent PNG cause borders when combined using GD? http://stackoverflow.com/questions/11620462/why-does-this-transparent-png-cause-borders-when-combined-using-gd share improve this question Can you try to enable alpha blending on image before you copy the original to it imagealphablending.. on image before you copy the original to it imagealphablending image true Second try would be to create a transparent color..
http://stackoverflow.com/questions/1726894/php-watermarking background sheight imagesy background Turn on alpha blending imagealphablending background true Create overlay image overlay.. imagesy background Turn on alpha blending imagealphablending background true Create overlay image overlay imagecreatefrompng..
imagecreatefrompng() Makes a black background instead of transparent? http://stackoverflow.com/questions/2611852/imagecreatefrompng-makes-a-black-background-instead-of-transparent imagecolortransparent simage background turning off alpha blending to ensure alpha channel information is preserved rather than.. alpha channel information is preserved rather than removed blending with the rest of the image in the form of black imagealphablending.. with the rest of the image in the form of black imagealphablending simage false turning on alpha channel information saving to..
How do I resize pngs with transparency in PHP? http://stackoverflow.com/questions/279236/how-do-i-resize-pngs-with-transparency-in-php height Make a new transparent image and turn off alpha blending to keep the alpha channel background imagecolorallocatealpha.. 127 imagecolortransparent newImage background imagealphablending newImage false imagesavealpha newImage true imagecopyresampled.. this question From what I can tell you need to set the blending mode to false and the save alpha channel flag to true before..
Rounded transparent _smooth_ corners using imagecopyresampled() PHP GD http://stackoverflow.com/questions/5766865/rounded-transparent-smooth-corners-using-imagecopyresampled-php-gd I've been playing with imagesavealpha and imagealphablending as advised but no result. Please help me to make this work... imagecolorallocatealpha has helped me alot. Also alpha blending must be off before saving alpha channel on working layer. However.. alphacolor imagecolorallocatealpha img r g b 127 imagealphablending im false imagesavealpha im true This code is a key for getting..
Resize Image PNG With transparence http://stackoverflow.com/questions/7569100/resize-image-png-with-transparence new_image imagecreatetruecolor width height imagealphablending new_image false imagesavealpha new_image true transparent imagecolorallocatealpha.. imagecolortransparent src background turning off alpha blending to ensure alpha channel information is preserved rather than.. alpha channel information is preserved rather than removed blending with the rest of the image in the form of black imagealphablending..
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