Implement print buffer and utf8

Now just raster modes and it's done.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/escpos/parser.h b/src/escpos/parser.h
index 373a251..7b10ee9 100644
--- a/src/escpos/parser.h
+++ b/src/escpos/parser.h
@@ -4,6 +4,8 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+#define ESCPOS_PRINT_BUFFER_MAX_HEIGHT 24
+
 struct escpos_canvas {
    uint8_t *data;
    size_t w, h;
@@ -13,8 +15,8 @@ struct escpos_parser;
 struct escpos_parser {
    size_t (*read)(const struct escpos_parser *parser, void *ptr, const size_t size);
    void (*write)(const struct escpos_parser *parser, const uint8_t *ptr, const size_t w, const size_t h);
-   struct escpos_canvas canvas;
-   struct escpos_mem window;
+   struct escpos_canvas canvas, print_buffer;
+   struct escpos_mem window, var;
 };
 
 bool