static void appClearItem(wItem *item)
{
item->type = itNone;
item->x = 0;
item->y = 0;
item->width = 0;
item->height = 0;
bpFree(&item->Bitmap);
bpFree(&item->Mask);
item->fontid = 0;
item->align = fntAlignLeft;
gfree((void **)&item->label);
item->pwidth = 0;
item->pheight = 0;
item->numphases = 0;
item->value = 0;
item->message = evNone;
item->R = 0;
item->G = 0;
item->B = 0;
gfree((void **)&item->text);
item->textwidth = 0;
item->starttime = 0;
item->last_x = 0;
item->pressed = btnDisabled;
item->tmp = 0;
}
/**
* @brief Free all memory allocated to an item and set all its pointers to NULL.
*
* @param item item to be freed
*/
static void appClearItem(wItem *item)
{
bpFree(&item->Bitmap);
bpFree(&item->Mask);
free(item->label);
free(item->text);
memset(item, 0, sizeof(*item));
}
/**
* @brief Render a bitmap mask for an image.
*
* @param in image to render a bitmap mask from
* @param out bitmap mask
*
* @return 1 (ok) or 0 (error)
*
* @note As a side effect, transparent pixels of @a in will be rendered black.
*/
int bpRenderMask(const guiImage *in, guiImage *out)
{
uint32_t *buf;
unsigned long x, y;
unsigned long i = 0, c = 0;
unsigned char tmp = 0, b = 1;
int shaped = 0;
out->Width = in->Width;
out->Height = in->Height;
out->Bpp = 1;
out->ImageSize = ((out->Width + 7) / 8) * out->Height;
out->Image = calloc(1, out->ImageSize);
if (!out->Image) {
mp_msg(MSGT_GPLAYER, MSGL_DBG2, "[bitmap] not enough memory: %lu\n", out->ImageSize);
return 0;
}
buf = (uint32_t *)in->Image;
for (y = 0; y < in->Height; y++) {
for (x = 0; x < in->Width; x++) {
if (!IS_TRANSPARENT(buf[i]))
tmp |= b;
else {
buf[i] = 0; // pixel should be black (if transparency isn't supported)
shaped = 1;
}
i++;
b <<= 1;
if (b == 0) {
out->Image[c++] = tmp;
tmp = 0;
b = 1;
}
}
if (b != 1) {
out->Image[c++] = tmp;
tmp = 0;
b = 1;
}
}
if (!shaped)
bpFree(out);
mp_msg(MSGT_GPLAYER, MSGL_DBG2, "[bitmap] 1 bpp conversion size: %lu\n", out->ImageSize);
return 1;
}