pngquant — lossy PNG compressor升级版的 pngquant PNGOUT http://optipng.sourceforge.net http://pmt.sourceforge.net/pngcrush/ 压缩参数 这些库都有很多参数可以调节。有兴趣的同学可以去亲自尝试一下。我知道你们还是想看现成的结果。 原大94KB, 无压缩 12KB, pngQuant 压缩后 5KB 几乎无变化, WebP压缩后...
pngquant — lossy PNG compressor升级版的 pngquant PNGOUT http://optipng.sourceforge.net http://pmt.sourceforge.net/pngcrush/ 压缩参数 这些库都有很多参数可以调节。有兴趣的同学可以去亲自尝试一下。我知道你们还是想看现成的结果。 原大94KB, 无压缩 12KB, pngQuant 压缩后 5KB 几乎无变化, WebP压缩后...
http://pngnq.sourceforge.net pngquant — lossy PNG compressor升级版的 pngquant PNGOUT http://optipng.sourceforge.net http://pmt.sourceforge.net/pngcrush/ 压缩参数 这些库都有很多参数可以调节。有兴趣的同学可以去亲自尝试一下。我知道你们还是想看现成的结果。 原大94KB, 无压缩 12KB, pngQuant 压缩...
The method is basically to extract image data from the semi-transparent image (i.e. remove transparency), convert it to an indexed color and apply the original mask. Reducing the amount of colors will make image data stream packing by the PNG compressor more effective. Let’s see how it w...
TexturePacker provides a built-in, state-of-the-art PNG compressor that can be used to optimize your sprite sheets without the need for additional tools or services. To use this feature, you can adjust the following settings in TexturePacker: TextureFormat: This setting allows you to choose bet...
IEBug = false, //Attempt to fix iebug. default false. Bit = 256 //bit-rate. default 256 }; ///Invoke the compressor Compressor pngQuant = new PngQuant(options); //Compress bytes byte[] compressed = await pngQuant.Compress(byData); MemoryStream ms = new MemoryStream(compressed); //把...
The method is basically to extract image data from the semi-transparent image (i.e. remove transparency), convert it to an indexed color and apply the original mask. Reducing the amount of colors will make image data stream packing by the PNG compressor more effective. Let’s see how it ...
GIF requires a special Clear Code to be defined, which tells the compressor to reset its compression/decompression parameters and tables back to a start-up state. This special code can show up at any point in an image's data stream and requires LZW to process succeeding codes as if a new...
to flush the compressor */ png_compress_IDAT(png_ptr, NULL, 0, Z_FINISH); } #ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Pick out the correct pixels for the interlace pass. * The basic idea here is to go through the row with a source * pointer and a destination pointer (sp an...
to flush the compressor */ png_compress_IDAT(png_ptr, NULL, 0, Z_FINISH); }#ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Pick out the correct pixels for the interlace pass. * The basic idea here is to go through the row with a source * pointer and a destination pointer (sp and dp),...