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using Gdk;
[CCode (cheader_filename = "qrencode.h")]
namespace Qrencode {
[CCode (cname = "QRecLevel", cprefix = "QR_ECLEVEL_")]
public enum ECLevel {
L,
M,
Q,
H
}
[CCode (cname = "QRencodeMode", cprefix = "QR_MODE_")]
public enum EncodeMode {
NUL,
NUM,
AN,
[CCode (cname = "QR_MODE_8")]
EIGHT_BIT,
KANJI,
STRUCTURE,
ECI,
FNC1FIRST,
FNC1SECOND
}
[CCode (cname = "QRcode", free_function = "QRcode_free", has_type_id = false)]
[Compact]
public class QRcode {
private int version;
private int width;
[CCode (array_length = false)]
private uint8[] data;
[CCode (cname = "QRcode_encodeString")]
public QRcode (string str, int version = 0, ECLevel level = ECLevel.L, EncodeMode hint = EncodeMode.EIGHT_BIT, bool casesensitive = true);
public Pixbuf to_pixbuf(int module_size) {
GLib.assert(module_size > 0);
var src_w = width;
var src = data[0:width*width];
var dst_w = src_w*module_size;
var dst = new uint8[dst_w*dst_w*3];
for (int src_y = 0; src_y < src_w; src_y++) {
for (int repeat_y = 0; repeat_y < module_size; repeat_y++) {
var dst_y = src_y*module_size + repeat_y;
for (int src_x = 0; src_x < src_w; src_x++) {
uint8 color = (src[src_y*src_w + src_x] & 1) == 1 ? 0 : 255;
for (int repeat_x = 0; repeat_x < module_size; repeat_x++) {
var dst_x = src_x*module_size + repeat_x;
var px_idx = dst_y*dst_w + dst_x;
dst[px_idx*3+0] = color;
dst[px_idx*3+1] = color;
dst[px_idx*3+2] = color;
}
}
}
}
return new Pixbuf.from_data(dst, Colorspace.RGB, false, 8, dst_w, dst_w, dst_w*3);
}
}
}
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