void vc_free_gfx() {
if (vc_gfx) {
gfx_surface_destroy(vc_gfx);
vc_gfx = NULL;
}
if (vc_tb_gfx) {
gfx_surface_destroy(vc_tb_gfx);
vc_tb_gfx = NULL;
}
if (vc_gfx_mem) {
zx_vmar_unmap(zx_vmar_root_self(), vc_gfx_mem, vc_gfx_size);
vc_gfx_mem = 0;
}
if (vc_gfx_vmo) {
zx_handle_close(vc_gfx_vmo);
vc_gfx_vmo = ZX_HANDLE_INVALID;
}
if (vc_hw_gfx_mem) {
zx_vmar_unmap(zx_vmar_root_self(), vc_hw_gfx_mem, vc_gfx_size);
vc_hw_gfx_mem = 0;
}
if (vc_hw_gfx_vmo) {
zx_handle_close(vc_hw_gfx_vmo);
vc_hw_gfx_vmo = ZX_HANDLE_INVALID;
}
}
zx_status_t vc_init_gfx(gfx_surface* test) {
const gfx_font* font = vc_get_font();
vc_font = font;
vc_test_gfx = test;
// init the status bar
vc_tb_gfx = gfx_create_surface(NULL, test->width, font->height,
test->stride, test->format, 0);
if (!vc_tb_gfx) {
return ZX_ERR_NO_MEMORY;
}
// init the main surface
vc_gfx = gfx_create_surface(NULL, test->width, test->height,
test->stride, test->format, 0);
if (!vc_gfx) {
gfx_surface_destroy(vc_tb_gfx);
vc_tb_gfx = NULL;
return ZX_ERR_NO_MEMORY;
}
g_status_width = vc_gfx->width / font->width;
return ZX_OK;
}
/**
* @brief Refresh the display
*/
void text_update(void)
{
struct display_info info;
display_get_info(&info);
/* get the display's surface */
gfx_surface *surface = gfx_create_surface_from_display(&info);
struct text_line *line;
list_for_every_entry(&text_list, line, struct text_line, node) {
const char *c;
int x = line->x;
for (c = line->str; *c; c++) {
font_draw_char(surface, *c, x, line->y, TEXT_COLOR);
x += FONT_X;
}
}
gfx_flush(surface);
gfx_surface_destroy(surface);
}
