commit 2bb162be67130e4d1d1ff6253e4b3a2ab6288cbf parent 0cbf05f4bf4db06f05a81553adfd59c2f3c8bb3a Author: Christian Grothoff <christian@grothoff.org> Date: Sat, 16 Nov 2019 10:34:30 +0100 qr gen Diffstat:
| M | src/main.c | | | 12 | ++++++------ |
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/main.c b/src/main.c @@ -243,6 +243,7 @@ show_qrcode (const char *uri) /* +8 for 4-pixels border */ size = GNUNET_MIN (qrDisplay.var_info.xres, qrDisplay.var_info.yres); + size /= 2; scale = size / (qrc->width + 8); #if LEGACY pixels = GNUNET_malloc (size * size * n_channels); @@ -253,14 +254,13 @@ show_qrcode (const char *uri) yOff += (qrDisplay.var_info.yres - qrDisplay.var_info.xres) / 2; else xOff += (qrDisplay.var_info.xres - qrDisplay.var_info.yres) / 2; - for (unsigned int x = xOff; x < size + xOff; x++) - for (unsigned int y = yOff; y < size + yOff; y++) + for (unsigned int x = 0; x < size; x++) + for (unsigned int y = 0; y < size; y++) { unsigned int off = - ((x - xOff) * qrc->width / size) + ((y - yOff) * qrc->width / size) - * qrc->width; - qrDisplay.memory[y * qrDisplay.var_info.xres + x] = - (0 == (qrc->data[off] & 1)) ? 0xFFFF : 0x00; + (x * qrc->width / size) + (y * qrc->width / size) * qrc->width; + qrDisplay.memory[(y + yOff) * qrDisplay.var_info.xres + (x + xOff)] = + (0 == (qrc->data[off] & 1)) ? 0xFFFF : 0x0000; } QRcode_free (qrc);