void
precalculateTileInfo (const TileDescription& tileDesc,
int minX, int maxX,
int minY, int maxY,
int *&numXTiles, int *&numYTiles,
int &numXLevels, int &numYLevels)
{
numXLevels = calculateNumXLevels(tileDesc, minX, maxX, minY, maxY);
numYLevels = calculateNumYLevels(tileDesc, minX, maxX, minY, maxY);
numXTiles = new int[numXLevels];
numYTiles = new int[numYLevels];
calculateNumTiles (numXTiles,
numXLevels,
minX, maxX,
tileDesc.xSize,
tileDesc.roundingMode);
calculateNumTiles (numYTiles,
numYLevels,
minY, maxY,
tileDesc.ySize,
tileDesc.roundingMode);
}
void WidgetSkin::draw(int x, int y, int width, int height, eType type) {
MAHandle cached = 0;
// Calculate numTiles needed to be drawn, if they are many, we need to cache, otherwise draw directly...
int numTiles = calculateNumTiles(width, height);
if(!useCache || numTiles<100) {
drawDirect(x, y, width, height, type);
return;
}
CacheKey newKey = CacheKey(this, width, height, type);
cached = getFromCache(newKey);
// If we didn't find a cached widgetskin, let's generate one and save it in the cache.
if(!cached) {
// set malloc handler to null so that we can catch if we're out of heap and write directly to the screen then.
#ifndef MOSYNC_NATIVE
malloc_handler mh = set_malloc_handler(NULL);
#endif
int *data = new int[width*height];
if(!data) {
drawDirect(x, y, width, height, type);
return;
}
#ifndef MOSYNC_NATIVE
set_malloc_handler(mh);
#endif
drawToData(data, 0, 0, width, height, type);
CacheElement cacheElem;
flushCacheUntilNewImageFits(width*height);
cacheElem.image = maCreatePlaceholder();
if(maCreateImageRaw(cacheElem.image,data,EXTENT(width,height),1)!=RES_OK) {
maPanic(1, "Could not create raw image");
}
delete data;
cacheElem.lastUsed = maGetMilliSecondCount();
cached = cacheElem.image;
addToCache(newKey, cacheElem);
}
// Draw the cached widgetskin.
Gfx_drawImage(cached, x, y);
}
