// Cofniecie ostatniej operacji;
internal void goBack(MyBitmap myBitmap)
{
Bitmap tmp = (Bitmap)myBitmap.PreviousBitmap.Clone();
myBitmap.CurrentBitmap = myBitmap.PreviousBitmap;
myBitmap.PreviousBitmap = tmp;
myBitmap.updateArrays();
}
// Cofniecie ostatniej operacji;
internal void goBack(MyBitmap myBitmap)
{
Bitmap tmp = (Bitmap)myBitmap.PreviousBitmap.Clone();
myBitmap.CurrentBitmap = myBitmap.PreviousBitmap;
myBitmap.PreviousBitmap = tmp;
myBitmap.updateArrays();
}
// Obraz wyostrzony maską 3x3
internal void sharpenBitmap(MyBitmap myBitmap)
{
myBitmap.PreviousBitmap = (Bitmap)myBitmap.CurrentBitmap.Clone();
Bitmap sharpenImage = new Bitmap(myBitmap.BitmapInfo.SizeX, myBitmap.BitmapInfo.SizeY);
int filterWidth = 3;
int filterHeight = 3;
int width = myBitmap.BitmapInfo.SizeX;
int height = myBitmap.BitmapInfo.SizeY;
// Tablica maski.
int[,] filter = { { -1, -1, -1 }, { -1, 9, -1 }, { -1, -1, -1 } };
Color[,] result = new Color[width, height];
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
int red = 0, green = 0, blue = 0;
Color imageColor = myBitmap.CurrentBitmap.GetPixel(x, y);
for (int filterX = 0; filterX < filterWidth; filterX++)
{
for (int filterY = 0; filterY < filterHeight; filterY++)
{
int imageX = (x - filterWidth / 2 + filterX + width) % width;
int imageY = (y - filterHeight / 2 + filterY + height) % height;
Color bmpColor = myBitmap.CurrentBitmap.GetPixel(imageX, imageY);
red += bmpColor.R * filter[filterX, filterY];
green += bmpColor.G * filter[filterX, filterY];
blue += bmpColor.B * filter[filterX, filterY];
}
// Ustawiamy wartość na zakres <0,255> jesli nie miesci sie w tym przedziale;
int r = Math.Min(Math.Max(red, 0), 255);
int g = Math.Min(Math.Max(green, 0), 255);
int b = Math.Min(Math.Max(blue, 0), 255);
result[x, y] = Color.FromArgb(r, g, b);
}
}
}
for (int i = 0; i < width; ++i)
{
for (int j = 0; j < height; ++j)
{
sharpenImage.SetPixel(i, j, result[i, j]);
}
}
myBitmap.CurrentBitmap = MyBitmap.convertTo24bpp(sharpenImage);
myBitmap.updateArrays();
}
// Obraz w negatywie;
internal void inverseBitmap(MyBitmap myBitmap)
{
myBitmap.PreviousBitmap = (Bitmap)myBitmap.CurrentBitmap.Clone();
Graphics g = Graphics.FromImage(myBitmap.CurrentBitmap);
ColorMatrix colorMatrix = new ColorMatrix(new[]
{
new[] { -1.0f, 0.0f, 0.0f, 0, 0 },
new[] { 0.0f, -1.0f, 0.0f, 0, 0 },
new[] { 0.0f, 0.0f, -1.0f, 0, 0 },
new[] { 0.0f, 0.0f, 0.0f, 1, 0 },
new[] { 1.0f, 1.0f, 1.0f, 0, 1 }
});
ImageAttributes attributes = new ImageAttributes();
attributes.SetColorMatrix(colorMatrix);
int x = myBitmap.BitmapInfo.SizeX;
int y = myBitmap.BitmapInfo.SizeY;
g.DrawImage(myBitmap.CurrentBitmap, new Rectangle(0, 0, x, y), 0, 0, x, y, GraphicsUnit.Pixel, attributes);
g.Dispose();
myBitmap.updateArrays();
}
// Obraz wyostrzony maską 3x3
internal void sharpenBitmap(MyBitmap myBitmap)
{
myBitmap.PreviousBitmap = (Bitmap)myBitmap.CurrentBitmap.Clone();
Bitmap sharpenImage = new Bitmap(myBitmap.BitmapInfo.SizeX, myBitmap.BitmapInfo.SizeY);
int filterWidth = 3;
int filterHeight = 3;
int width = myBitmap.BitmapInfo.SizeX;
int height = myBitmap.BitmapInfo.SizeY;
// Tablica maski.
int[,] filter = { { -1, -1, -1 }, { -1, 9, -1 }, { -1, -1, -1 } };
Color[,] result = new Color[width, height];
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
int red = 0, green = 0, blue = 0;
Color imageColor = myBitmap.CurrentBitmap.GetPixel(x, y);
for (int filterX = 0; filterX < filterWidth; filterX++)
{
for (int filterY = 0; filterY < filterHeight; filterY++)
{
int imageX = (x - filterWidth / 2 + filterX + width) % width;
int imageY = (y - filterHeight / 2 + filterY + height) % height;
Color bmpColor = myBitmap.CurrentBitmap.GetPixel(imageX, imageY);
red += bmpColor.R * filter[filterX, filterY];
green += bmpColor.G * filter[filterX, filterY];
blue += bmpColor.B * filter[filterX, filterY];
}
// Ustawiamy wartość na zakres <0,255> jesli nie miesci sie w tym przedziale;
int r = Math.Min(Math.Max(red, 0), 255);
int g = Math.Min(Math.Max(green, 0), 255);
int b = Math.Min(Math.Max(blue, 0), 255);
result[x, y] = Color.FromArgb(r, g, b);
}
}
}
for (int i = 0; i < width; ++i)
{
for (int j = 0; j < height; ++j) sharpenImage.SetPixel(i, j, result[i, j]);
}
myBitmap.CurrentBitmap = MyBitmap.convertTo24bpp(sharpenImage);
myBitmap.updateArrays();
}
// Obraz w negatywie;
internal void inverseBitmap(MyBitmap myBitmap)
{
myBitmap.PreviousBitmap = (Bitmap)myBitmap.CurrentBitmap.Clone();
Graphics g = Graphics.FromImage(myBitmap.CurrentBitmap);
ColorMatrix colorMatrix = new ColorMatrix(new[]
{
new[] {-1.0f, 0.0f, 0.0f, 0, 0},
new[] {0.0f, -1.0f, 0.0f, 0, 0},
new[] {0.0f, 0.0f, -1.0f, 0, 0},
new[] {0.0f, 0.0f, 0.0f, 1, 0},
new[] {1.0f, 1.0f, 1.0f, 0, 1}
});
ImageAttributes attributes = new ImageAttributes();
attributes.SetColorMatrix(colorMatrix);
int x = myBitmap.BitmapInfo.SizeX;
int y = myBitmap.BitmapInfo.SizeY;
g.DrawImage(myBitmap.CurrentBitmap, new Rectangle(0, 0, x, y), 0, 0, x, y, GraphicsUnit.Pixel, attributes);
g.Dispose();
myBitmap.updateArrays();
}