public IBitmap ApplyArea(IArea area)
{
//todo: performance can be improved by only creating a bitmap the size of the area, and not the entire background.
//This will require to change the rendering as well to offset the location
byte zero = (byte)0;
Bitmap output = Bitmap.CreateBitmap(Width, Height, Bitmap.Config.Argb8888);
using (FastBitmap inBmp = new FastBitmap(_bitmap))
{
using (FastBitmap outBmp = new FastBitmap(output, true))
{
for (int y = 0; y < Height; y++)
{
int bitmapY = Height - y - 1;
for (int x = 0; x < Width; x++)
{
global::Android.Graphics.Color color = inBmp.GetPixel(x, bitmapY);
byte alpha = area.IsInArea(new AGS.API.PointF(x, y)) ? color.A : zero;
outBmp.SetPixel(x, bitmapY, new global::Android.Graphics.Color(color.R, color.G, color.B, alpha));
}
}
}
}
return(new AndroidBitmap(output, _graphics));
}
public IBitmap ApplyArea(IArea area)
{
//todo: performance can be improved by only creating a bitmap the size of the area, and not the entire background.
//This will require to change the rendering as well to offset the location
byte zero = (byte)0;
Bitmap output = Bitmap.CreateBitmap(Width, Height, Bitmap.Config.Argb8888);
using (FastBitmap inBmp = new FastBitmap (_bitmap))
{
using (FastBitmap outBmp = new FastBitmap (output, true))
{
for (int y = 0; y < Height; y++)
{
int bitmapY = Height - y - 1;
for (int x = 0; x < Width; x++)
{
global::Android.Graphics.Color color = inBmp.GetPixel(x, bitmapY);
byte alpha = area.IsInArea(new AGS.API.PointF(x, y)) ? color.A : zero;
outBmp.SetPixel(x, bitmapY, new global::Android.Graphics.Color(color.R, color.G, color.B, alpha));
}
}
}
}
return new AndroidBitmap(output, _graphics);
}
public void MakeTransparent(AGS.API.Color color)
{
global::Android.Graphics.Color c = new global::Android.Graphics.Color(color.R, color.G, color.B, color.A);
global::Android.Graphics.Color transparent = global::Android.Graphics.Color.Transparent;
using (FastBitmap fastBitmap = new FastBitmap (_bitmap))
{
for (int x = 0; x < _bitmap.Width; x++)
{
for (int y = 0; y < _bitmap.Height; y++)
{
if (fastBitmap.GetPixel(x, y) == c)
fastBitmap.SetPixel(x, y, c);
}
}
}
}
public void MakeTransparent(AGS.API.Color color)
{
global::Android.Graphics.Color c = new global::Android.Graphics.Color(color.R, color.G, color.B, color.A);
global::Android.Graphics.Color transparent = global::Android.Graphics.Color.Transparent;
using (FastBitmap fastBitmap = new FastBitmap(_bitmap))
{
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
if (fastBitmap.GetPixel(x, y) == c)
{
fastBitmap.SetPixel(x, y, transparent);
}
}
}
}
}
public IMask CreateMask(IGameFactory factory, string path, bool transparentMeansMasked = false,
AGS.API.Color? debugDrawColor = null, string saveMaskToFile = null, string id = null)
{
Bitmap debugMask = null;
FastBitmap debugMaskFast = null;
if (saveMaskToFile != null || debugDrawColor != null)
{
debugMask = Bitmap.CreateBitmap (Width, Height, Bitmap.Config.Argb8888);
debugMaskFast = new FastBitmap (debugMask, true);
}
bool[][] mask = new bool[Width][];
global::Android.Graphics.Color drawColor = debugDrawColor != null ? debugDrawColor.Value.Convert() : global::Android.Graphics.Color.Black;
using (FastBitmap bitmapData = new FastBitmap (_bitmap))
{
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
var pixelColor = bitmapData.GetPixel(x, y);
bool masked = pixelColor.A == 255;
if (transparentMeansMasked)
masked = !masked;
if (mask[x] == null)
mask[x] = new bool[Height];
mask[x][Height - y - 1] = masked;
if (debugMask != null)
{
debugMaskFast.SetPixel(x, y, masked ? drawColor : global::Android.Graphics.Color.Transparent);
}
}
}
}
if (debugMask != null)
debugMaskFast.Dispose();
//Save the duplicate
if (saveMaskToFile != null)
{
using (Stream stream = Hooks.FileSystem.Create(saveMaskToFile))
{
debugMask.Compress(global::Android.Graphics.Bitmap.CompressFormat.Png, 100, stream);
}
}
IObject debugDraw = null;
if (debugDrawColor != null)
{
debugDraw = factory.Object.GetObject(id ?? path ?? "Mask Drawable");
debugDraw.Image = factory.Graphics.LoadImage(new AndroidBitmap(debugMask, _graphics), null, path);
debugDraw.Anchor = new AGS.API.PointF ();
}
return new AGSMask (mask, debugDraw);
}