mirrors/zint-barcode-generator
1
0
Fork 0
mirror of https://git.code.sf.net/p/zint/code synced 2025-05-29 14:25:23 -04:00
Code Issues Projects Releases Packages Wiki Activity

Ultra: Extend colour support to PNG PCX BMP and TIF

Browse source 
Implementation needs improvement, but colour output is now achieved in most formats
This commit is contained in:
Robin Stuart 2020-01-06 20:01:48 +00:00
parent 6181885e2e
commit 5861ad3c3b
6 changed files with 310 additions and 101 deletions
Download patch file Download diff file Expand all files Collapse all files

40
backend/png.c
View file

@ -158,6 +158,46 @@ int png_pixel_plot(struct zint_symbol *symbol, char *pixelbuf) {
for (column = 0; column < symbol->bitmap_width; column++) {
i = column * 3;
switch (*(pixelbuf + (symbol->bitmap_width * row) + column)) {
case 'W': // White
outdata[i] = 255;
outdata[i + 1] = 255;
outdata[i + 2] = 255;
break;
case 'C': // Cyan
outdata[i] = 0;
outdata[i + 1] = 255;
outdata[i + 2] = 255;
break;
case 'B': // Blue
outdata[i] = 0;
outdata[i + 1] = 0;
outdata[i + 2] = 255;
break;
case 'M': // Magenta
outdata[i] = 255;
outdata[i + 1] = 0;
outdata[i + 2] = 255;
break;
case 'R': // Red
outdata[i] = 255;
outdata[i + 1] = 0;
outdata[i + 2] = 0;
break;
case 'Y': // Yellow
outdata[i] = 255;
outdata[i + 1] = 255;
outdata[i + 2] = 0;
break;
case 'G': // Green
outdata[i] = 0;
outdata[i + 1] = 255;
outdata[i + 2] = 0;
break;
case 'K': // Black
outdata[i] = 0;
outdata[i + 1] = 0;
outdata[i + 2] = 0;
break;
case '1':
outdata[i] = fgred;
outdata[i + 1] = fggrn;