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| author | frosty <frostinator33@airmail.cc> | 2026-10-26 10:21:57 -0400 |
|---|---|---|
| committer | frosty <frostinator33@airmail.cc> | 2026-10-26 10:21:57 -0400 |
| commit | 74aecd8b0986d07b50b7ce310d64e645b8b54e38 (patch) | |
| tree | 560e6434f183eb54cd779936f3a4c9575146a066 /plugins/omemo/vapi/libqrencode.vapi | |
| parent | 3d7e90d401da02d430a87db0ec7e1db3a6f1a68f (diff) | |
| parent | 4436001bb361ad4f9e4e05819214ecf0ea77c063 (diff) | |
Merge 'upstream/master'
Diffstat (limited to 'plugins/omemo/vapi/libqrencode.vapi')
| -rw-r--r-- | plugins/omemo/vapi/libqrencode.vapi | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/plugins/omemo/vapi/libqrencode.vapi b/plugins/omemo/vapi/libqrencode.vapi deleted file mode 100644 index 360f74a5..00000000 --- a/plugins/omemo/vapi/libqrencode.vapi +++ /dev/null @@ -1,81 +0,0 @@ -[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 Gdk.Paintable to_paintable(int module_size) { - GLib.assert(module_size > 0); - var dst_width = width*module_size; - var dst_data = new uint8[dst_width*dst_width*3]; - expand_and_upsample(data,width,width, dst_data,dst_width,dst_width); - return new Gdk.MemoryTexture(dst_width, dst_width, Gdk.MemoryFormat.R8G8B8, - new GLib.Bytes.take((owned) dst_data), dst_width*3); - - } - - /** Does 2D nearest-neighbor upsampling of an array of single-byte - * samples, while expanding the least significant bit of each sample - * to three 0-or-255 bytes. - */ - private void expand_and_upsample( - uint8[] src, uint src_w, uint src_h, - uint8[] dst, uint dst_w, uint dst_h) { - GLib.assert(dst_w % src_w == 0); - GLib.assert(dst_h % src_h == 0); - var scale_x = dst_w/src_w, - scale_y = dst_h/src_h; - /* Doing the iteration in the order of destination samples for - * improved cache-friendliness (dst is 48 times larger than src in - * the typical case of scaling by 4x4). - * The choice of multiple nested loops over a single one is for - * avoiding a ton of divisions by non-constants. - */ - for (uint src_y = 0; src_y < src_h; ++src_y) { - for (uint repeat_y = 0; repeat_y < scale_y; ++repeat_y) { - var dst_y = src_y*scale_y + repeat_y; - for (uint src_x = 0; src_x < src_w; ++src_x) { - uint8 value = (src[src_y*src_w + src_x] & 1)==1 ? 0:255; - for (uint repeat_x = 0; repeat_x < scale_x; ++repeat_x){ - var dst_x = src_x*scale_x + repeat_x; - var dst_idx = dst_y*dst_w + dst_x; - dst[dst_idx*3+0] = value; - dst[dst_idx*3+1] = value; - dst[dst_idx*3+2] = value; - } - } - } - } - } - } -} |
