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

Change bitmap signedness to allow conversion to other data types

Browse source 
Buffered bitmap array should have been type unsigned char not type char
Includes change to manual
In response to (and hopefully fixing) #182 reported by Marcelo Antunes
This commit is contained in:
Robin Stuart 2020-03-29 13:42:33 +01:00
parent e8b56faa11
commit 52214c5a1c
3 changed files with 9 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
docs/manual.txt
View file

@ -749,13 +749,13 @@ the example below where render_pixel() is assumed to be a function for drawing
a pixel on the screen implemented by the external application:
int row, col, i = 0;
unsigned int red, blue, green;
int red, blue, green;
for (row = 0; row < my_symbol->bitmap_height; row++) {
for (column = 0; col < my_symbol->bitmap_width; column++) {
red = my_symbol->bitmap[i];
green = my_symbol->bitmap[i + 1];
blue = my_symbol->bitmap[i + 2];
red = (int) my_symbol->bitmap[i];
green = (int) my_symbol->bitmap[i + 1];
blue = (int) my_symbol->bitmap[i + 2];
render_pixel(row, column, red, green, blue);
i += 3;
}
@ -826,7 +826,8 @@ row_height | array of | Representation of the | (output only)
errtxt | character | Error message in the event | (output only)
| string | that an error ocurred. |
bitmap | pointer to | Pointer to stored bitmap | (output only)
| character | image. |
| unsigned | image. |
| character | |
| array | |
bitmap_width | integer | Width of stored bitmap | (output only)
| | image (in pixels). |