@Override
public Pixmap newPixmap(String fileName, PixmapFormat format) {
Config config = null;
if (format == PixmapFormat.RGB565) config = Config.RGB_565;
else if (format == PixmapFormat.ARGB4444) config = Config.ARGB_4444;
else config = Config.ARGB_8888;
Options options = new Options();
options.inPreferredConfig = config;
InputStream in = null;
Bitmap bitmap = null;
try {
in = assets.open(fileName);
bitmap = BitmapFactory.decodeStream(in);
if (bitmap == null)
throw new RuntimeException("Couldn't load bitmap from asset '" + fileName + "'");
} catch (IOException e) {
throw new RuntimeException("Couldn't load bitmap from asset '" + fileName + "'");
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
if (bitmap.getConfig() == Config.RGB_565) format = PixmapFormat.RGB565;
else if (bitmap.getConfig() == Config.ARGB_4444) format = PixmapFormat.ARGB4444;
else format = PixmapFormat.ARGB8888;
return new AndroidPixmap(bitmap, format);
}
public TiledBitmapCanvas(Bitmap bitmap, int tileSize, int maxVersions) {
mWidth = bitmap.getWidth();
mHeight = bitmap.getHeight();
mConfig = bitmap.getConfig();
mTileSize = tileSize;
mMaxVersions = maxVersions;
load(bitmap);
}
public static Bitmap colorMatrixBmp(Bitmap bmp, float[] matrixSrc) {
int width = bmp.getWidth();
int height = bmp.getHeight();
ColorMatrix matrix = new ColorMatrix();
matrix.set(matrixSrc);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
Paint p = new Paint();
p.setColorFilter(filter);
Bitmap colorBmp = Bitmap.createBitmap(width, height, bmp.getConfig());
Canvas c = new Canvas(colorBmp);
c.drawBitmap(bmp, 0, 0, p);
return colorBmp;
}
public static Bitmap blackWhiteBmp(Bitmap bmp) {
// black and white
int width = bmp.getWidth();
int height = bmp.getHeight();
ColorMatrix matrix = new ColorMatrix();
float[] src = {
0.308F, 0.609F, 0.082F, 0, 0, 0.308F, 0.609F, 0.082F, 0, 0, 0.308F, 0.609F, 0.082F, 0, 0, 0,
0, 0, 1, 0
};
matrix.set(src);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
Paint p = new Paint();
p.setColorFilter(filter);
Bitmap colorBmp = Bitmap.createBitmap(width, height, bmp.getConfig());
Canvas c = new Canvas(colorBmp);
c.drawBitmap(bmp, 0, 0, p);
return colorBmp;
}