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improve lcd mem take snapshot

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This commit is contained in:
xianjimli 2018-10-25 08:44:20 +08:00
parent 9ea6faa5e2
commit ac2acab904
1 changed files with 9 additions and 35 deletions
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44
src/lcd/lcd_mem.inc
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@ -267,48 +267,22 @@ static vgcanvas_t* lcd_mem_get_vgcanvas(lcd_t* lcd) {
return mem->vgcanvas;
}
static ret_t snapshot_destroy(bitmap_t* img) {
TKMEM_FREE(img->data);
return RET_OK;
}
static ret_t lcd_mem_take_snapshot(lcd_t* lcd, bitmap_t* img, bool_t auto_rotate) {
bitmap_t fb;
uint32_t size = 0;
void* data = NULL;
lcd_orientation_t orientation = system_info()->lcd_orientation;
lcd_mem_init_drawing_fb(lcd, &fb);
system_info_t* info = system_info();
lcd_orientation_t o = info->lcd_orientation;
uint32_t bpp = bitmap_get_bpp(&fb);
if (auto_rotate && orientation == LCD_ORIENTATION_90) {
rect_t r = rect_init(0, 0, fb.w, fb.h);
return_value_if_fail(bitmap_init(img, fb.h, fb.w, fb.format, NULL) == RET_OK, RET_OOM);
memset(img, 0x00, sizeof(bitmap_t));
img->format = fb.format;
img->flags = BITMAP_FLAG_OPAQUE;
size = lcd->w * lcd->h * bpp;
data = TKMEM_ALLOC(size);
return_value_if_fail(data != NULL, RET_FAIL);
img->data = (uint8_t*)data;
img->destroy = snapshot_destroy;
if (auto_rotate && o == LCD_ORIENTATION_90) {
rect_t r;
img->w = fb.h;
img->h = fb.w;
r = rect_init(0, 0, fb.w, fb.h);
image_rotate(img, &fb, &r, o);
return image_rotate(img, &fb, &r, orientation);
} else {
img->w = fb.w;
img->h = fb.h;
rect_t r = rect_init(0, 0, fb.w, fb.h);
return_value_if_fail(bitmap_init(img, fb.w, fb.h, fb.format, NULL) == RET_OK, RET_OOM);
memcpy((void*)(img->data), (void*)(fb.data), size);
return image_copy(img, &fb, &r, 0, 0);
}
bitmap_set_line_length(img, 0);
return RET_OK;
}
static ret_t lcd_mem_flush(lcd_t* lcd) {