unleashed-firmware/applications/gui/canvas.c
2020-10-15 18:56:47 +03:00

106 lines
2.6 KiB
C

#include "canvas.h"
#include "canvas_i.h"
#include <assert.h>
#include <flipper.h>
uint8_t canvas_width(CanvasApi* api);
uint8_t canvas_height(CanvasApi* api);
void canvas_clear(CanvasApi* api);
void canvas_color_set(CanvasApi* api, uint8_t color);
void canvas_font_set(CanvasApi* api, Font font);
void canvas_str_draw(CanvasApi* api, uint8_t x, uint8_t y, const char* str);
uint8_t u8g2_gpio_and_delay_stm32(u8x8_t* u8x8, uint8_t msg, uint8_t arg_int, void* arg_ptr);
uint8_t u8x8_hw_spi_stm32(u8x8_t* u8x8, uint8_t msg, uint8_t arg_int, void* arg_ptr);
CanvasApi* canvas_api_init() {
CanvasApi* api = furi_alloc(sizeof(CanvasApi));
u8g2_Setup_st7565_erc12864_alt_f(
&api->canvas.fb,
U8G2_R0,
u8x8_hw_spi_stm32,
u8g2_gpio_and_delay_stm32);
// send init sequence to the display, display is in sleep mode after this
u8g2_InitDisplay(&api->canvas.fb);
u8g2_SetContrast(&api->canvas.fb, 36);
u8g2_SetPowerSave(&api->canvas.fb, 0); // wake up display
u8g2_SendBuffer(&api->canvas.fb);
api->width = canvas_width;
api->height = canvas_height;
api->clear = canvas_clear;
api->set_color = canvas_color_set;
api->set_font = canvas_font_set;
api->draw_str = canvas_str_draw;
api->fonts = furi_alloc(sizeof(Fonts));
api->fonts->primary = u8g2_font_Born2bSportyV2_tr;
api->fonts->secondary = u8g2_font_HelvetiPixel_tr;
return api;
}
void canvas_api_free(CanvasApi* api) {
assert(api);
free(api);
}
void canvas_commit(CanvasApi* api) {
assert(api);
u8g2_SetPowerSave(&api->canvas.fb, 0); // wake up display
u8g2_SendBuffer(&api->canvas.fb);
}
void canvas_frame_set(
CanvasApi* api,
uint8_t offset_x,
uint8_t offset_y,
uint8_t width,
uint8_t height) {
assert(api);
api->canvas.offset_x = offset_x;
api->canvas.offset_y = offset_y;
api->canvas.width = width;
api->canvas.height = height;
}
uint8_t canvas_width(CanvasApi* api) {
assert(api);
return api->canvas.width;
}
uint8_t canvas_height(CanvasApi* api) {
assert(api);
return api->canvas.height;
}
void canvas_clear(CanvasApi* api) {
assert(api);
u8g2_ClearBuffer(&api->canvas.fb);
}
void canvas_color_set(CanvasApi* api, Color color) {
assert(api);
u8g2_SetDrawColor(&api->canvas.fb, color);
}
void canvas_font_set(CanvasApi* api, Font font) {
assert(api);
u8g2_SetFontMode(&api->canvas.fb, 1);
u8g2_SetFont(&api->canvas.fb, font);
}
void canvas_str_draw(CanvasApi* api, uint8_t x, uint8_t y, const char* str) {
assert(api);
x += api->canvas.offset_x;
y += api->canvas.offset_y;
u8g2_DrawStr(&api->canvas.fb, x, y, str);
}