public static Bitmap ReduceColors(Options options, ProgressBar progressBar)
{
var filter = GetFilter(options.EDDFiler);
Bitmap reducedImage = new Bitmap(options.OriginalImage);//new Bitmap(originalImage.Width, originalImage.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//using (BmpPixelSnoop originalWrapper = new BmpPixelSnoop(originalImage))
using (BmpPixelSnoop reducedWrapper = new BmpPixelSnoop(reducedImage))
{
for (int i = 0; i < reducedImage.Width; i++)
{
for (int j = 0; j < reducedImage.Height; j++)
{
var originalImagePixel = reducedWrapper.GetPixel(i, j);
var r = (int)Approximate(originalImagePixel.R, options.RNumber);
var g = (int)Approximate(originalImagePixel.G, options.GNumber);
var b = (int)Approximate(originalImagePixel.B, options.BNumber);
reducedWrapper.SetPixel(i, j, Color.FromArgb(r, g, b));
double errorR = originalImagePixel.R - r;
double errorG = originalImagePixel.G - g;
double errorB = originalImagePixel.B - b;
int f_x = filter.GetLength(0) / 2;
int f_y = filter.GetLength(1) / 2;
for (int ii = -f_x; ii <= f_x; ii++)
{
if (i + ii >= reducedImage.Width || i + ii < 0)
{
continue;
}
for (int jj = -f_y; jj <= f_y; jj++)
{
if (j + jj >= reducedImage.Height || j + jj < 0)
{
continue;
}
var colorToSet = reducedWrapper.GetPixel(i + ii, j + jj);
colorToSet = Color.FromArgb(
CutTo_0_255(colorToSet.R + (errorR * filter[f_x + ii, f_y + jj])),
CutTo_0_255(colorToSet.G + (errorG * filter[f_x + ii, f_y + jj])),
CutTo_0_255(colorToSet.B + (errorB * filter[f_x + ii, f_y + jj])));
reducedWrapper.SetPixel(i + ii, j + jj, colorToSet);
}
}
}
progressBar.Value = (int)((i * progressBar.Maximum) / (double)reducedImage.Width);
}
}
progressBar.Value = progressBar.Maximum;
return(reducedImage);
}
private static Vector getNormalVectorFromTexture(int x, int y, FillOptions options, BmpPixelSnoop textureWrapper)
{
if (textureWrapper == null)
{
return(DEFAULT_OPTIONS.defaultNormalVector);
}
var vector = textureWrapper.GetPixel(x - (int)(options.GridLeft), y - (int)(options.GridTop));
return(new Vector(scaleToNormalVector(vector.R), scaleToNormalVector(vector.G), scale_Form_0_255_To_0_1(vector.B)).GetNormalised());
double scaleToNormalVector(int c)
{
var ret = ((double)c / 255) * 2 - 1;
if (ret > 1)
{
return(1);
}
if (ret < -1)
{
return(-1);
}
return(ret);
}
}
/// <summary>
/// Test that GetPixel() works the same way as Bitmap.GetPixel()
/// </summary>
/// <param name="bmp">The bitmap to test with</param>
static void TestGetPixel(Bitmap bmp)
{
Console.WriteLine("Testing GetPixel()");
// Deep copy the bitmap
var bmpClone = bmp.Clone() as Bitmap;
// Now create a snoop over the clone and
// iterate over both and compare each pixel
//
using (var snoop = new BmpPixelSnoop(bmpClone))
{
for (int j = 0; j != bmp.Height; j++)
{
for (int i = 0; i != bmp.Width; i++)
{
// Normal Butmap.GetPixel()
var p1 = bmp.GetPixel(i, j);
// BmpPixelSnoop's GetPixel()
var p2 = snoop.GetPixel(i, j);
// Are they the same (they should be..)
if (p1 != p2)
{
throw new Exception(string.Format("Pixel at ({0}, {1}) does not match!", i, j));
}
}
}
}
Console.WriteLine("GetPixel() OK");
}
/// <summary>
/// Test that SetPixel() works the same way as Bitmap.SetPixel()
/// </summary>
/// <param name="bmp">The bitmap to test with</param>
static void TestSetPixel(Bitmap bmp)
{
Console.WriteLine("Testing SetPixel()");
// Create an empty target bitmap
// PixelFormat.Format32bppArgb is the default format
var bmpTarget = new Bitmap(bmp.Width, bmp.Height);
// We get each pixel from the input bitmap and
// set to the corresponding pixel in the snooped bitmap.
// Then we read back this pixel and check that it equals the
// original pixel value.
//
using (var snoop = new BmpPixelSnoop(bmpTarget))
{
for (int j = 0; j != bmp.Height; j++)
{
for (int i = 0; i != bmp.Width; i++)
{
// Get a pixel from the input bitmap
var p1 = bmp.GetPixel(i, j);
// Set it into the snooped bitmap
snoop.SetPixel(i, j, p1);
// Read it back from the snooped bitmap
var p2 = snoop.GetPixel(i, j);
// And compare with original.
if (p1 != p2)
{
throw new Exception(string.Format("Pixel at ({0}, {1}) does not match!", i, j));
}
}
}
}
// Now test that the snooped bitmap has been released and
// that we can call SetPixel() on it without an excpetion
// being thrown...
//
try
{
bmpTarget.SetPixel(0, 0, System.Drawing.Color.Aqua);
}
catch
{
throw new Exception(string.Format("Could not write to bitmap, BitmapSnoop did not release it!"));
}
Console.WriteLine("SetPixel() OK");
}
public static Bitmap ReduceColors(Options options, ProgressBar progressBar)
{
Dictionary <(byte R, byte G, byte B), int> colorsPopularity = new Dictionary <(byte R, byte G, byte B), int>();
var reducedBitmap = new Bitmap(options.OriginalImage);
using (var reducedWrapper = new BmpPixelSnoop(reducedBitmap))
{
for (int i = 0; i < reducedBitmap.Width; i++)
{
for (int j = 0; j < reducedBitmap.Height; j++)
{
var c = reducedWrapper.GetPixel(i, j);
if (!colorsPopularity.TryGetValue((c.R, c.G, c.B), out int cPopularity))
{
colorsPopularity[(c.R, c.G, c.B)] = 1;
private static Color GetPreciseColorForPixel(int x, int y, FillOptions options, BmpPixelSnoop textureWrapper)
{
Vector N = options.NormalVectorOption == NormalVectorOpt.FromTexture ? getNormalVectorFromTexture(x, y, options, textureWrapper) : DEFAULT_OPTIONS.defaultNormalVector;
Vector V = new Vector(0, 0, 1);
var LightPoint = options.LightPoint;
var L = (options.LightVectorOption == LightVectorOpt.FromPointOnSpiral && LightPoint != null)
? new Vector(LightPoint.X - x, (-1) * (LightPoint.Y - y), LightPoint.Z - 0).GetNormalised()
: DEFAULT_OPTIONS.defaultLightVector;
Vector R = 2 * Vector.DotProduct(N, L) * N - L;
Color Il = options.LightColor;
Color Io = (options.ObjectColorOption == ObjectColorOpt.Constant || options.Texture == null)
? (Color)options.ObjectColor
: textureWrapper.GetPixel(x - (int)(options.GridLeft), y - (int)(options.GridTop));
double kd = options.LambertModelFactor;
double ks = options.ReflectionFactor;
int m = options.ReflectionLevel;
return(Color.FromArgb(calculatePart(Il.R, Io.R, kd, ks, N, L, V, R, m),
calculatePart(Il.G, Io.G, kd, ks, N, L, V, R, m),
calculatePart(Il.B, Io.B, kd, ks, N, L, V, R, m)));
}
public static void FillPolygon(Polygon polygon, FillOptions options, BmpPixelSnoop bitmapWrapper, BmpPixelSnoop textureWrapper)
{
#region prepare data for interpolation if needed
double x1 = 1, y1 = 1;
double x2 = 1, y2 = 1;
double x3 = 1, y3 = 1;
double triangleDenominator = 1;
Vector normalVector1 = null;
Vector normalVector2 = null;
Vector normalVector3 = null;
Color objectColor1 = Color.FromArgb(1, 1, 1);
Color objectColor2 = Color.FromArgb(1, 1, 1);
Color objectColor3 = Color.FromArgb(1, 1, 1);
if (options.FillColorPrecisionOption == FillColorPrecisionOpt.Interpolated)
{
// assume polygon is a traingle
if (polygon.Vertices.Count != 3)
{
throw new ArgumentException("Interpolated Presices is possible only for triangles!");
}
x1 = polygon.Vertices[0].X; y1 = polygon.Vertices[0].Y;
x2 = polygon.Vertices[1].X; y2 = polygon.Vertices[1].Y;
x3 = polygon.Vertices[2].X; y3 = polygon.Vertices[2].Y;
triangleDenominator = (y2 - y3) * (x1 - x3) + (x3 - x2) * (y1 - y3);
if (triangleDenominator == 0)
{
triangleDenominator = 1;
}
normalVector1 = getNormalVectorFromTexture((int)x1, (int)y1, options, textureWrapper);
normalVector2 = getNormalVectorFromTexture((int)x2, (int)y2, options, textureWrapper);
normalVector3 = getNormalVectorFromTexture((int)x3, (int)y3, options, textureWrapper);
objectColor1 = (options.ObjectColorOption == ObjectColorOpt.Constant || options.Texture == null)
? (Color)options.ObjectColor
: textureWrapper.GetPixel((int)(x1 - options.GridLeft), (int)(y1 - options.GridTop));
objectColor2 = (options.ObjectColorOption == ObjectColorOpt.Constant || options.Texture == null)
? (Color)options.ObjectColor
: textureWrapper.GetPixel((int)(x2 - options.GridLeft), (int)(y2 - options.GridTop));
objectColor3 = (options.ObjectColorOption == ObjectColorOpt.Constant || options.Texture == null)
? (Color)options.ObjectColor
: textureWrapper.GetPixel((int)(x3 - options.GridLeft), (int)(y3 - options.GridTop));
}
#endregion
var sortedVertices = polygon.Vertices.ConvertAll(v => v);
sortedVertices.Sort((a, b) =>
{
if (a.Y < b.Y)
{
return(-1);
}
if (a.Y == b.Y)
{
return(0);
}
return(1);
});
var ind = sortedVertices.ConvertAll(v => polygon.Vertices.IndexOf(v));
var P = polygon.Vertices;
double ymin = P[ind[0]].Y;
double ymax = P[ind[ind.Count - 1]].Y;
int k = 0; // current vertex index;
List <AETItem> AET = new List <AETItem>();
// for each scanline
for (double y = ymin + 1; y <= ymax + 1; y++)
{
while (k < ind.Count && y - 1 == P[ind[k]].Y)
{
// previous vertex
int pVertInd = ind[k] - 1 >= 0 ? ind[k] - 1 : P.Count - 1;
if (P[pVertInd].Y >= P[ind[k]].Y)
{
// add to AET
double dx = (double)(P[pVertInd].X - P[ind[k]].X);
double dy = (double)(P[pVertInd].Y - P[ind[k]].Y);
if (dy != 0)
{
AET.Add(new AETItem(P[pVertInd], P[ind[k]], P[ind[k]].X, dx / dy));
}
}
else
{
// remove from AET
AET.RemoveAll(i => i.start == P[pVertInd] && i.end == P[ind[k]]);
}
// next vertex
int nVertInd = ind[k] + 1 < P.Count ? ind[k] + 1 : 0;
if (P[nVertInd].Y >= P[ind[k]].Y)
{
// add to AET
double dx = (double)(P[ind[k]].X - P[nVertInd].X);
double dy = (double)(P[ind[k]].Y - P[nVertInd].Y);
if (dy != 0)
{
AET.Add(new AETItem(P[ind[k]], P[nVertInd], P[ind[k]].X, dx / dy));
}
}
else
{
// remove from AET
AET.RemoveAll(i => i.start == P[ind[k]] && i.end == P[nVertInd]);
}
k++;
}
// sort by x
AET.Sort((a, b) =>
{
if (a.x < b.x)
{
return(-1);
}
if (a.x == b.x)
{
return(0);
}
return(1);
});
// set pixels
for (int i = 0; i < AET.Count - 1; i += 2)
{
for (double x = AET[i].x; x <= AET[i + 1].x; x++)
{
bitmapWrapper.SetPixel((int)x, (int)y - 1,
options.FillColorPrecisionOption == FillColorPrecisionOpt.Precise
? GetPreciseColorForPixel((int)x, (int)y - 1, options, textureWrapper)
: GetInterpolatedColorForPixel(
(int)x1, (int)y1, (int)x2, (int)y2, (int)x3, (int)y3, triangleDenominator,
normalVector1, normalVector2, normalVector3,
objectColor1, objectColor2, objectColor3, (int)x, (int)y - 1, options, textureWrapper));
}
}
// update x
AET.ForEach(v => v.x += v.reciprocalM);
}
}
private void ProcessBitmap()
{
int usedColors = 0;
int totalColors = 0;
if (texinfo is PvrTextureInfo)
{
radioButtonRGB5A3.Enabled = radioButtonIntensity8A.Enabled = false;
}
using (var snoop_u = new BmpPixelSnoop(new Bitmap(bitmap)))
{
for (int p = 0; p < bitmap.Palette.Entries.Length; p++)
{
totalColors += 1;
bool match = false;
for (int h = 0; h < bitmap.Height; h++)
{
for (int w = 0; w < bitmap.Width; w++)
{
if (snoop_u.GetPixel(w, h) == bitmap.Palette.Entries[p])
{
match = true;
}
}
}
if (match)
{
usedColors += 1;
}
}
}
if (usedColors <= 16)
{
radioButtonIndex4.Checked = true;
radioButtonIndex4.Enabled = true;
}
else if (usedColors <= 256)
{
radioButtonIndex8.Checked = true;
radioButtonIndex4.Enabled = false;
}
else
{
radioButtonIndex4.Enabled = radioButtonIndex8.Enabled = false;
radioButtonNonIndexed.Checked = true;
}
int tlevel = TextureFunctions.GetAlphaLevelFromBitmap(bitmap);
string transparency = "";
switch (tlevel)
{
case 0:
radioButtonRGB565.Checked = true;
transparency = "no transparency";
break;
case 1:
transparency = "1-bit transparency";
if (SACompatible || !gamecube)
{
radioButtonARGB1555.Checked = true;
}
else
{
radioButtonRGB5A3.Checked = true;
}
break;
case 2:
transparency = "partial transparency";
if (SACompatible || !gamecube)
{
radioButtonARGB4444.Checked = true;
}
else
{
radioButtonRGB5A3.Checked = true;
}
break;
}
labelPaletteInfo.Text = "Palette: " + totalColors.ToString() + " colors (" + usedColors.ToString() + " colors used) , " + transparency;
groupBoxMask.Enabled = groupBoxPalette.Enabled = buttonAuto.Enabled = buttonOK.Enabled = true;
if (!gamecube)
{
radioButtonIntensity8A.Enabled = radioButtonRGB5A3.Enabled = false;
}
else
{
radioButtonIntensity8A.Enabled = radioButtonRGB5A3.Enabled = true;
}
}
/// <summary>
/// Test how fast GetPixel() works compared to Bitmap.GetPixel()
/// </summary>
/// <param name="bmp">The bitmap to test with</param>
static void TestGetPixelSpeed(Bitmap bmp)
{
Console.WriteLine("Testing GetPixel() Speed");
// Deep copy the bitmap
var bmpClone = bmp.Clone() as Bitmap;
// Calculate a simple sum over all of the pixels
// in the original bitmap.
long sum = 0;
var stopwatch = new Stopwatch();
stopwatch.Start();
for (int j = 0; j != bmpClone.Height; j++)
{
for (int i = 0; i != bmpClone.Width; i++)
{
var col = bmpClone.GetPixel(i, j);
sum += col.R +
col.G +
col.B;
}
}
var time = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
stopwatch.Start();
long snoopSum = 0;
// Calculate a simple sum over all of the pixels
// in the snooped bitmap.
using (var snoop = new BmpPixelSnoop(bmpClone))
{
for (int j = 0; j != snoop.Height; j++)
{
for (int i = 0; i != snoop.Width; i++)
{
var col = snoop.GetPixel(i, j);
snoopSum += col.R +
col.G +
col.B;
}
}
}
var snoopTime = stopwatch.ElapsedMilliseconds;
// Just make sure our sums match
if (sum != snoopSum)
{
throw new Exception("Pixel sums don't match!");
}
Console.WriteLine(string.Format("Bitmap.GetPixel() took {0}ms, BmpPixelSnoop.GetPixel() took {1}ms", time, snoopTime));
}
private void FillFigureHybrid(Polygon polygon, double ks, double kd, int m)
{
if (randomParameters.Checked)
{
ks = rand.NextDouble();
kd = rand.NextDouble();
m = (int)(rand.NextDouble() * 100);
}
List <Edge>[] edges_table = new List <Edge> [drawing_panel.Height];
for (int i = 0; i < polygon.edges.Count; i++)
{
Edge curr = polygon.edges[i];
if (edges_table[curr.a.Get().Y] is null)
{
edges_table[curr.a.Get().Y] = new List <Edge>();
}
edges_table[curr.a.Get().Y].Add(curr);
}
List <Edge> active_edges_table = new List <Edge>();
int current = 0;
for (int i = 0; i < drawing_panel.Height; i++)
{
if (!(edges_table[i] is null))
{
current = i;
break;
}
}
Point pointa = new Point(polygon.vertices[0].Get().X, polygon.vertices[0].Get().Y);
Point pointb = new Point(polygon.vertices[1].Get().X, polygon.vertices[1].Get().Y);
Point pointc = new Point(polygon.vertices[2].Get().X, polygon.vertices[2].Get().Y);
Color preva = fill_color;
Color prevb = fill_color;
Color prevc = fill_color;
if (!selectObjectColor.Checked && texture_loaded)
{
preva = textureBmp.GetPixel(pointa.X % textureBmp.Width, pointa.Y % textureBmp.Height);
prevb = textureBmp.GetPixel(pointb.X % textureBmp.Width, pointb.Y % textureBmp.Height);
prevc = textureBmp.GetPixel(pointc.X % textureBmp.Width, pointc.Y % textureBmp.Height);
}
var Na = new Vector3(0, 0, 1);
var Nb = new Vector3(0, 0, 1);
var Nc = new Vector3(0, 0, 1);
if (!staticVector.Checked && normal_map_loaded)
{
var color = new ColorVector(normalMap.GetPixel(pointa.X % normalMap.Width, pointa.Y % normalMap.Height));
Na = new Vector3(color.R, color.G, color.B);
color = new ColorVector(normalMap.GetPixel(pointb.X % normalMap.Width, pointb.Y % normalMap.Height));
Nb = new Vector3(color.R, color.G, color.B);
color = new ColorVector(normalMap.GetPixel(pointc.X % normalMap.Width, pointc.Y % normalMap.Height));
Nc = new Vector3(color.R, color.G, color.B);
}
active_edges_table.AddRange(edges_table[current]);
while (active_edges_table.Count > 0 && current < drawing_panel.Height - 1)
{
active_edges_table.RemoveAll((Edge ed) =>
{
return(ed.b.Get().Y <= current);
});
active_edges_table.Sort((Edge e1, Edge e2) =>
{
return(e1.x_min.CompareTo(e2.x_min));
});
for (int i = 0; i < active_edges_table.Count - 1; i += 2)
{
FillLineHybrid((int)Math.Round(active_edges_table[i].x_min), (int)Math.Round(active_edges_table[i + 1].x_min), current, pointa, pointb, pointc, preva, prevb, prevc, Na, Nb, Nc, ks, kd, m);
active_edges_table[i].x_min += active_edges_table[i].one_div_m;
active_edges_table[i + 1].x_min += active_edges_table[i + 1].one_div_m;
}
current++;
if (!(edges_table[current] is null))
{
active_edges_table.AddRange(edges_table[current]);
}
}
for (int i = 0; i < polygon.edges.Count; i++)
{
polygon.edges[i].SetXmin();
}
}