ppc.image source code

1 module ppc.image;
2 import ppc;
3 import imageformats;
4 import std.stdio;
5 
6 public class ImageFactory : ContentFactory {
7 	public this() {
8 		super(TypeId.Texture2D);
9 	}
10 
11 	public override Content Construct(ubyte[] data) {
12 		return new Image(data);
13 	}
14 }
15 
16 public class Image : Content {
17 	public long Width;
18 	public long Height;
19 	public ubyte[] Colors;
20 
21 	public this(string name) {
22 		super(TypeId.Texture2D, name);
23 	}
24 
25 	this(ubyte[] data) {
26 		super(data);
27 	}
28 
29 	public override void Convert(ubyte[] data) {
30 		IFImage im = read_image_from_mem(data, ColFmt.RGBA);
31 		this.Width = im.w;
32 		this.Height = im.h;
33 		this.Colors = im.pixels;
34 	}
35 
36 	public override ubyte[] Compile() {
37 		return pp_write_img("png");
38 	}
39 
40 	public void SavePng(string name) {
41 		write_image(name~".png", this.Width, this.Height, this.Colors);
42 	}
43 
44 	private ubyte[] pp_write_img(string extr) {
45 		const(char)[] ext = extr;
46 
47 		void function(Writer, long, long, in ubyte[], long) write_image;
48 		switch (ext) {
49 			case "png": write_image = &write_png; break;
50 			case "tga": write_image = &write_tga; break;
51 			case "bmp": write_image = &write_bmp; break;
52 			default: throw new ImageIOException("unknown image extension/type");
53 		}
54 		scope writer = new MemWriter();
55 		write_image(writer, this.Width, this.Height, this.Colors, 0);
56 		return writer.result;
57 	}
58 }