private void GeneratePreview()
{
if (string.IsNullOrEmpty(txbImage.Text))
{
return;
}
Bitmap vBmp = new Bitmap(txbImage.Text);
picPreviewA.Image = vBmp;
Bitmap vBmpResized = DrawingLogic.CopyAndResize(vBmp, Tile.WIDTH_PX * this.CreateWidth, Tile.HEIGHT_PX * this.CreateHeight);
picPreviewB.Image = vBmpResized;
Bitmap vBmpColorized = null;
switch (cbxMethod.SelectedItem)
{
case METHOD_NEAREST:
vBmpColorized = DrawingLogic.MapBitmapColorsToPalette((Bitmap)vBmpResized.Clone(), Palette.DEFAULT_PALETTE);
break;
case METHOD_FLOYDSTEINBERG:
vBmpColorized = FloydSteinbergDither.Process((Bitmap)vBmpResized.Clone(), Palette.DEFAULT_PALETTE.mColors);
break;
}
picPreviewC.Image = vBmpColorized;
}
private void btnTilizator_Click(object sender, EventArgs e)
{
using (FrmTilizator vFrm = new FrmTilizator()) {
if (vFrm.ShowDialog(this) == DialogResult.OK)
{
//Start: create target bitmap with right size
Bitmap vTarget = DrawingLogic.CopyAndResize(vFrm.CreateBmp, Tile.WIDTH_PX * vFrm.CreateWidth, Tile.HEIGHT_PX * vFrm.CreateHeight);
//map colors
Palette vPal = Palette.DEFAULT_PALETTE;
switch (vFrm.ColorMethod)
{
case FrmTilizator.METHOD_NEAREST:
//Updates the bitmap in parameter
vTarget = DrawingLogic.MapBitmapColorsToPalette(vTarget, vPal);
break;
case FrmTilizator.METHOD_FLOYDSTEINBERG:
vTarget = FloydSteinbergDither.Process(vTarget, vPal.mColors);
break;
}
//tilization
int vTileNewCount = 0, vTileReusedCount = 0;
for (int x = 0; x < vFrm.CreateWidth; x++)
{
for (int y = 0; y < vFrm.CreateHeight; y++)
{
Rectangle vTileRect = new Rectangle(x * Tile.WIDTH_PX, y * Tile.HEIGHT_PX, Tile.WIDTH_PX, Tile.HEIGHT_PX);
Bitmap vTileBmp = (Bitmap)vTarget.Clone(vTileRect, vTarget.PixelFormat);
//make new tile and add/get similar from library
Tile vT = new Tile(vTileBmp, vPal);
bool vTileAlreadyExisted = false;
vT = this.mCurrentMap.ParentProject.mLibraries[0].AddTileWithoutDuplicate(vT, out vTileAlreadyExisted);
if (!vTileAlreadyExisted)
{
vTileNewCount++;
}
else
{
vTileReusedCount++;
}
//apply the tile to the map
this.mCurrentMap.SetTile(vT, vFrm.CreateLeft + x, vFrm.CreateTop + y);
}
}
//refresh
panMap.Invalidate();
((FrmMain)this.FindForm()).SetStatus("Tilization: generated " + vTileNewCount + " tiles, reused " + vTileReusedCount + " tiles.");
}
}
}
public void FloydSteinberg2()
{
var dt = new FloydSteinbergDither();
const int WIDTH = 100;
const int HEIGHT = 100;
var b1 = new Bitmap(WIDTH, HEIGHT, PixelFormat.Format32bppArgb);
b1.SetPixel(50, 50, Color.FromArgb(255, 127, 127, 127));
b1.SetPixel(50, 51, Color.FromArgb(255, 127, 127, 127));
b1.SetPixel(50, 52, Color.FromArgb(255, 127, 127, 127));
b1.SetPixel(50, 53, Color.FromArgb(255, 127, 127, 127));
var b2 = dt.Process(b1);
for (int x = 0; x < WIDTH; x++)
{
for (int y = 0; y < HEIGHT; y++)
{
Color col = b2.GetPixel(x, y);
if (col.R != 0)
{
col.R.Should().Be(255);
col.G.Should().Be(255);
col.B.Should().Be(255);
x.Should().Be(50);
y.Should().BeOneOf(53, 51);
}
else
{
col.R.Should().Be(0);
col.G.Should().Be(0);
col.B.Should().Be(0);
}
}
}
}
public void FloydSteinberg1()
{
var dt = new FloydSteinbergDither();
const int XSIZE = 100;
const int YSIZE = 100;
var b1 = new Bitmap(XSIZE, YSIZE);
b1.SetPixel(50, 50, Color.FromArgb(255, 255, 255, 255));
var b2 = dt.Process(b1);
for (int x = 0; x < XSIZE; x++)
{
for (int y = 0; y < YSIZE; y++)
{
Color col = b2.GetPixel(x, y);
if (col.R != 0)
{
col.R.Should().Be(255);
col.G.Should().Be(255);
col.B.Should().Be(255);
x.Should().Be(50);
y.Should().Be(50);
}
else
{
col.R.Should().Be(0);
col.G.Should().Be(0);
col.B.Should().Be(0);
}
}
}
}