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