void
skia_draw_overlay_sprite(const sprite_t *sprite, int x, int y, int y_off, frame_t *dest)
{
// if(1) return;
// LOGI("skia_draw_overlay_sprite x=%d y=%d, y_off=%d", x, y, y_off);
size_t width = le16toh(sprite->w);
size_t height = le16toh(sprite->h);
x += le16toh(sprite->x);
y += le16toh(sprite->y);
std::shared_ptr<SkBitmap> bitmap;
bitmap_cache_t::iterator it = g_bitmap_cache.find(sprite);
if( it != g_bitmap_cache.end() ) {
bitmap = it->second;
}
else {
LOGI("create overlay sprite = %d", sprite);
// Create bitmap and add to cache
bitmap.reset(new SkBitmap());
g_bitmap_cache[sprite] = bitmap;
bitmap->setConfig(SkBitmap::kA8_Config, width, height);
bitmap->allocPixels();
{
// Fill bitmap with sprite data
SkAutoLockPixels alp(*bitmap);
void *data = (uint8_t *)sprite + sizeof(sprite_t);
gfx_unpack_overlay_sprite(bitmap->getPixels(), data, width * height);
}
bitmap->notifyPixelsChanged();
}
SkRect src_rect;
src_rect.fLeft = 0;
src_rect.fTop = y_off;
src_rect.fRight = SkIntToScalar(width);
src_rect.fBottom = - y_off + SkIntToScalar(height);
SkRect dst_rect;
dst_rect.fLeft = x;
dst_rect.fTop = y + y_off;
dst_rect.fRight = x + SkIntToScalar(width);
dst_rect.fBottom = y - y_off + SkIntToScalar(height);
((SkCanvas*)dest->skCanvas)->drawBitmapRectToRect(*bitmap, &src_rect, dst_rect, NULL);
#if 0
/* Bounding box */
skia_draw_rect(x, y + y_off, width, height - y_off, 1, dest);
#endif
}
static SDL_Surface *
create_overlay_surface(const sprite_t *sprite)
{
int r;
void *data = (uint8_t *)sprite + sizeof(sprite_t);
size_t width = le16toh(sprite->w);
size_t height = le16toh(sprite->h);
/* Unpack */
size_t unpack_size = width * height;
uint8_t *unpack = calloc(unpack_size, sizeof(uint8_t));
if (unpack == NULL) abort();
gfx_unpack_overlay_sprite(unpack, data, unpack_size);
/* Create sprite surface */
SDL_Surface *surf = sdl_create_surface((int)width, (int)height);
r = SDL_LockSurface(surf);
if (r < 0) {
LOGE("sdl-video", "Unable to lock sprite.");
exit(EXIT_FAILURE);
}
/* Fill alpha value from overlay data */
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
uint32_t *p = (uint32_t *)((uint8_t *)surf->pixels + y * surf->pitch);
p[x] = SDL_MapRGBA(surf->format, 0, 0, 0, unpack[y*width+x]);
}
}
SDL_UnlockSurface(surf);
free(unpack);
return surf;
}
