I need to convert a color jpg png map to a monochrome bitmap (not wbmp, in the GD library, but bmp), similar to the windows drawing tool: : : now we need to use php code to implement it. Do you have any ideas? Or ready-made wheels? Ask for advice...
official link: http: php.net manual zh imag. when using Imagick::mergeImageLayers to merge PSD layers, there is confusion in filling in the first parameter int $layer_method . although most of them can achieve the effect of merging layers, I sti...