Changes between Version 9 and Version 10 of Docs/825gen2/Dev/Devices/USB/PrintersCUPS

Timestamp:

01/21/24 14:48:38 (10 months ago)

Author:

Don Wilson

Comment:

--

Docs/825gen2/Dev/Devices/USB/PrintersCUPS

@@ -119 +119 @@
 The Star printer driver seems to only work for BMP files. Tried other graphics formats such as PNG and JPEG but only black tickets printed.
 
-Found an example of cups printing on stackoverflow.com. After compile the example for the 825 and after making several changing get it to work to programatically print a ticket.
+There is some example code of cups printing on stackoverflow.com. This can be compiled for the 825. Some changes were needed to get it to work.
 
 {{{
@@ -132 +132 @@
 #define HEIGHT 500
 
-
-#define TEST_BMP_FILENAME "/tmp/tkt9.bmp"
-
-
 int main(int argc, char** argv) {
 
@@ -143 +139 @@
 
   mkstemp(tmpFilepath);
- printf("tmpFilename [%s]\n", tmpFilepath);
+  printf("tmpFilename [%s]\n", tmpFilepath);
 
 
-  // cairo_surface_t* surface = cairo_ps_surface_create(tmpfilename, WIDTH, HEIGHT);
-  cairo_surface_t* surface = cairo_image_surface_create(/*CAIRO_FORMAT_ARGB32*/ /*CAIRO_FORMAT_RGB24*/  CAIRO_FORMAT_A1, WIDTH, HEIGHT);
-  printf("after surface create %d\n", cairo_surface_get_type(surface));
+  cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_A1, WIDTH, HEIGHT);
   cairo_t *context = cairo_create(surface);
-
 
   LoadBMPToSurface("/usr/images/bird.bmp", surface, 0, 0);
@@ -185 +178 @@
  // printf("write_to_png result %d\n", n);
 
-
   cairo_surface_destroy(surface);