public UnsafeBitmap Darker()
{
UnsafeBitmap result = new UnsafeBitmap(bitmapWidth, bitmapHeight);
result.LockBitmap();
for (int i = 0; i < bitmapWidth; i++){
for (int j = 0; j < bitmapHeight; j++){
PixelData p = GetPixel(i, j);
result.SetPixel(i, j, Color.FromArgb(Math.Max(0, p.red - 20), Math.Max(0, p.green - 20), Math.Max(0, p.blue - 20)));
}
}
return result;
}
public UnsafeBitmap Darker()
{
UnsafeBitmap result = new UnsafeBitmap(bitmapWidth, bitmapHeight);
result.LockBitmap();
for (int i = 0; i < bitmapWidth; i++)
{
for (int j = 0; j < bitmapHeight; j++)
{
PixelData p = GetPixel(i, j);
result.SetPixel(i, j, Color.FromArgb(Math.Max(0, p.red - 20), Math.Max(0, p.green - 20), Math.Max(0, p.blue - 20)));
}
}
return(result);
}
public static void FillShadedRectangle(UnsafeBitmap b, int w, int h)
{
b.FillRectangle(Color.White, 0, 0, w - 1, h - 1);
b.SetPixel(1, 1, Color.FromArgb(230, 238, 252));
b.SetPixel(1, h - 3, Color.FromArgb(219, 227, 248));
b.SetPixel(w - 3, 1, Color.FromArgb(220, 230, 249));
b.SetPixel(w - 3, h - 3, Color.FromArgb(217, 227, 246));
b.SetPixel(w - 1, h - 3, Color.FromArgb(174, 192, 214));
b.SetPixel(w - 2, h - 2, Color.FromArgb(174, 196, 219));
b.SetPixel(0, h - 2, Color.FromArgb(195, 212, 231));
b.SetPixel(0, h - 1, Color.FromArgb(237, 241, 243));
b.SetPixel(w - 2, h - 1, Color.FromArgb(236, 242, 247));
int wi = w - 5;
int he = h - 5;
int[][] upper = InterpolateRgb(new[]{225, 234, 254}, new[]{188, 206, 250}, wi);
int[][] lower = InterpolateRgb(new[]{183, 203, 249}, new[]{174, 200, 247}, wi);
for (int i = 0; i < wi; i++){
int[][] pix = InterpolateRgb(new[]{upper[0][i], upper[1][i], upper[2][i]},
new[]{lower[0][i], lower[1][i], lower[2][i]}, he);
for (int j = 0; j < he; j++){
b.SetPixel(i + 2, j + 2, Color.FromArgb(pix[0][j], pix[1][j], pix[2][j]));
}
}
int[][] pix2 = InterpolateRgb(new[]{208, 223, 252}, new[]{170, 192, 243}, he);
for (int j = 0; j < he; j++){
b.SetPixel(1, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[]{185, 202, 243}, new[]{176, 197, 242}, he);
for (int j = 0; j < he; j++){
b.SetPixel(w - 3, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[]{208, 223, 252}, new[]{175, 197, 244}, wi);
for (int i = 0; i < wi; i++){
b.SetPixel(i + 2, 1, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{183, 198, 241}, new[]{176, 196, 242}, wi);
for (int i = 0; i < wi; i++){
b.SetPixel(i + 2, h - 3, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{238, 237, 229}, new[]{160, 181, 211}, he + 2);
for (int i = 0; i < he + 2; i++){
b.SetPixel(w - 1, i, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{170, 192, 225}, new[]{126, 159, 211}, w/2);
for (int i = 1; i <= w/2; i++){
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - 1], pix2[1][i - 1], pix2[2][i - 1]));
}
pix2 = InterpolateRgb(new[]{126, 159, 211}, new[]{148, 176, 221}, w - 3 - w/2);
for (int i = w/2 + 1; i <= w - 3; i++){
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - w/2 - 1], pix2[1][i - w/2 - 1], pix2[2][i - w/2 - 1]));
}
}
public static void FillShadedRectangle(UnsafeBitmap b, int w, int h)
{
b.FillRectangle(Color.White, 0, 0, w - 1, h - 1);
b.SetPixel(1, 1, Color.FromArgb(230, 238, 252));
b.SetPixel(1, h - 3, Color.FromArgb(219, 227, 248));
b.SetPixel(w - 3, 1, Color.FromArgb(220, 230, 249));
b.SetPixel(w - 3, h - 3, Color.FromArgb(217, 227, 246));
b.SetPixel(w - 1, h - 3, Color.FromArgb(174, 192, 214));
b.SetPixel(w - 2, h - 2, Color.FromArgb(174, 196, 219));
b.SetPixel(0, h - 2, Color.FromArgb(195, 212, 231));
b.SetPixel(0, h - 1, Color.FromArgb(237, 241, 243));
b.SetPixel(w - 2, h - 1, Color.FromArgb(236, 242, 247));
int wi = w - 5;
int he = h - 5;
int[][] upper = InterpolateRgb(new[] { 225, 234, 254 }, new[] { 188, 206, 250 }, wi);
int[][] lower = InterpolateRgb(new[] { 183, 203, 249 }, new[] { 174, 200, 247 }, wi);
for (int i = 0; i < wi; i++)
{
int[][] pix = InterpolateRgb(new[] { upper[0][i], upper[1][i], upper[2][i] },
new[] { lower[0][i], lower[1][i], lower[2][i] }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(i + 2, j + 2, Color.FromArgb(pix[0][j], pix[1][j], pix[2][j]));
}
}
int[][] pix2 = InterpolateRgb(new[] { 208, 223, 252 }, new[] { 170, 192, 243 }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(1, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[] { 185, 202, 243 }, new[] { 176, 197, 242 }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(w - 3, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[] { 208, 223, 252 }, new[] { 175, 197, 244 }, wi);
for (int i = 0; i < wi; i++)
{
b.SetPixel(i + 2, 1, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 183, 198, 241 }, new[] { 176, 196, 242 }, wi);
for (int i = 0; i < wi; i++)
{
b.SetPixel(i + 2, h - 3, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 238, 237, 229 }, new[] { 160, 181, 211 }, he + 2);
for (int i = 0; i < he + 2; i++)
{
b.SetPixel(w - 1, i, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 170, 192, 225 }, new[] { 126, 159, 211 }, w / 2);
for (int i = 1; i <= w / 2; i++)
{
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - 1], pix2[1][i - 1], pix2[2][i - 1]));
}
pix2 = InterpolateRgb(new[] { 126, 159, 211 }, new[] { 148, 176, 221 }, w - 3 - w / 2);
for (int i = w / 2 + 1; i <= w - 3; i++)
{
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - w / 2 - 1], pix2[1][i - w / 2 - 1], pix2[2][i - w / 2 - 1]));
}
}