guiObject_t *GUI_CreateImageOffset(guiImage_t *image, u16 x, u16 y, u16 width, u16 height, u16 x_off, u16 y_off, const char *file,
void (*CallBack)(guiObject_t *obj, s8 press_type, const void *data), const void *cb_data)
{
struct guiObject *obj = (guiObject_t *)image;
struct guiBox *box;
CLEAR_OBJ(image);
box = &obj->box;
image->file = file;
image->x_off = x_off;
image->y_off = y_off;
image->callback = CallBack;
image->cb_data = cb_data;
image->crc = Crc(file, strlen(file));
box->x = x;
box->y = y;
box->width = width;
box->height = height;
obj->Type = Image;
OBJ_SET_TRANSPARENT(obj, LCD_ImageIsTransparent(file));
OBJ_SET_SELECTABLE(obj, CallBack ? 1 :0);
connect_object(obj);
return obj;
}
void GUI_ChangeImage(struct guiImage *image, const char *file, u16 x_off, u16 y_off)
{
guiObject_t *obj = (guiObject_t *)image;
//Use a CRC for comparison because the filename may change without the pointer changing
u32 crc = Crc(file, strlen(file));
if (image->file != file || image->crc != crc || image->x_off != x_off || image->y_off != y_off) {
image->crc = crc;
image->file = file;
image->x_off = x_off;
image->y_off = y_off;
OBJ_SET_TRANSPARENT(obj, LCD_ImageIsTransparent(file));
OBJ_SET_DIRTY(obj, 1);
}
}
void _GUI_ChangeImage(struct guiImage *image, const char *file, u16 x_off, u16 y_off, u8 replace)
{
guiObject_t *obj = (guiObject_t *)image;
//Use a CRC for comparison because the filename may change without the pointer changing
u32 crc = Crc(file, strlen(file));
if (image->file != file || image->crc != crc || image->x_off != x_off || image->y_off != y_off) {
if (replace) {
// draw background where the old picture was bigger
struct guiBox *box = &obj->box;
u16 w, h;
LCD_ImageDimensions(file, &w, &h);
if (h < box->height) GUI_DrawBackground(box->x, box->y + h, box->width, box->height - h); // remove lower left part of old image
if (w < box->width) GUI_DrawBackground(box->x + w, box->y, box->width - w, h < box->height ? h : box->height); // remove upper right part of old image
box->width = w;
box->height = h;
}
image->crc = crc;
image->file = file;
image->x_off = x_off;
image->y_off = y_off;
OBJ_SET_TRANSPARENT(obj, LCD_ImageIsTransparent(file));
OBJ_SET_DIRTY(obj, 1);
}
}
