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add flush/clear funcs

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Drath Vader
2026-08-21 00:27:57 +02:00
parent 2faeccb324
commit f850bb9d3c
3 changed files with 12 additions and 12 deletions
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10
esp-gfx/gfx.c
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@@ -2,8 +2,8 @@
#include <esp_log.h>
void gfx_draw_char(const gfx_canvas_t *canvas, const GFXfont *f, const bool inverted, const int16_t x, const int16_t y, const char c, const uint8_t scale) {
void (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
static void gfx_draw_char(const gfx_canvas_t *canvas, const GFXfont *f, const bool inverted, const int16_t x, const int16_t y, const char c, const uint8_t scale) {
esp_err_t (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
if (c < f->first || c > f->last) return;
const GFXglyph *g = &f->glyph[c - f->first];
const uint8_t *bm = f->bitmap + g->bitmapOffset;
@@ -52,7 +52,7 @@ int16_t gfx_draw_string_centered(const gfx_canvas_t *canvas, const GFXfont *f, c
/* only draws top->bottom and left->right */
void gfx_draw_line(const gfx_canvas_t *canvas, const uint8_t start_x, const uint8_t start_y, const uint8_t end_x, const uint8_t end_y, const bool inverted) {
void (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
esp_err_t (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
const uint8_t dx = end_x - start_x;
const uint8_t dy = end_y - start_y;
@@ -92,14 +92,14 @@ void gfx_draw_box(const gfx_canvas_t *canvas, const uint8_t pos_x, const uint8_t
}
void gfx_fill_box(const gfx_canvas_t *canvas, const uint8_t pos_x, const uint8_t pos_y, const uint8_t size_x, const uint8_t size_y, const bool inverted) {
void (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
esp_err_t (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
for (uint8_t x = pos_x; x < pos_x + size_x; x++)
for (uint8_t y = pos_y; y < pos_y + size_y; y++)
draw_cb(canvas->ctx, x, y);
}
void gfx_draw_bitmap(const gfx_canvas_t *canvas, const uint8_t pos_x, const uint8_t pos_y, const gfx_bitmap_t bmp, const bool inverted) {
void (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
esp_err_t (*draw_cb)(void* ctx, uint8_t x, uint8_t y) = inverted ? canvas->clear_pixel_callback : canvas->draw_pixel_callback;
const uint8_t row_bytes = (bmp.width + 7) / 8;
for (uint8_t y = 0; y < bmp.height; y++) {

12
esp-gfx/gfx.h
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@@ -1,6 +1,6 @@
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <esp_err.h>
// compatibility for adafruit fonts
#ifndef PROGMEM
@@ -39,11 +39,11 @@ typedef struct {
* @param clear_fb_callback function that wipes the framebuffer memory of the display, optional
*/
typedef struct {
void (*draw_pixel_callback)(void *ctx, uint8_t x, uint8_t y);
void (*clear_pixel_callback)(void *ctx, uint8_t x, uint8_t y);
void (*flush_callback)(void *ctx);
void (*clear_disp_callback)(void *ctx);
void (*clear_fb_callback)(void *ctx);
esp_err_t (*draw_pixel_callback)(void *ctx, uint8_t x, uint8_t y);
esp_err_t (*clear_pixel_callback)(void *ctx, uint8_t x, uint8_t y);
esp_err_t (*flush_callback)(const void *ctx);
esp_err_t (*clear_disp_callback)(void *ctx);
esp_err_t (*clear_fb_callback)(void *ctx);
void *ctx;
} gfx_canvas_t;

2
idf_component.yml
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@@ -2,4 +2,4 @@ dependencies:
idf: '>=5.2'
description: Simple gfx library for ESP-IDF
url: https://git.drath.cc/drath/esp-gfx.git
version: "1.2.0"
version: "1.3.0"