imageformats ~master

imageformats

• Returned image data is 8-bit except PNG can also return 16-bit.
• Image data can be converted to Y, YA, RGB or RGBA.
• There's a @nogc remake: imagefmt

Decoders:

• PNG. 8-bit and 16-bit interlaced and paletted (+tRNS chunk)
• TGA. 8-bit non-paletted
• BMP. 8-bit uncompressed
• JPEG. baseline

Encoders:

• PNG. 8-bit non-paletted non-interlaced
• TGA. 8-bit non-paletted rle-compressed
• BMP. 8-bit uncompressed

import imageformats;

void main() {
    IFImage i0 = read_image("peruna.png");
    IFImage i1 = read_image("peruna.png", ColFmt.YA);   // convert
    IFImage i2 = read_image("peruna.png", ColFmt.RGB);

    write_image("peruna.tga", i0.w, i0.h, i0.pixels);
    write_image("peruna.tga", i0.w, i0.h, i0.pixels, ColFmt.RGBA);

    int w, h, chans;
    read_image_info("peruna.png", w, h, chans);

    // format specific functions
    PNG_Header hdr = read_png_header("peruna.png");
    IFImage i3 = read_jpeg("porkkana.jpg");
    write_tga("porkkana.tga", i3.w, i3.h, i3.pixels);
}