/// <summary>
/// Appends a pixel to the file
/// </summary>
/// <param name="pixel">Pixel.</param>
public void AppendRGB(RGB pixel)
{
Write (pixel);
appendIndexHorizontal++;
if (appendIndexHorizontal > header.ImageWidth) {
AddPadding();
appendIndexHorizontal = 0;
}
}
public void TakeScreenShot (string directory, string fileName)
{
//Console.WriteLine("Create screenshot");
//Code is taken from the firmware code and simply returns a blank LCD
int Width = 178;
int Height = 128;
BmpImage screenshotImage = new BmpImage (24 * 8, (uint)Height, ColorDepth.TrueColor);
RGB startColor = new RGB (188, 191, 161);
RGB endColor = new RGB (219, 225, 206);
screenshotImage.Clear ();
float redActual = (float)endColor.Red;
float greenActual = (float)endColor.Green;
float blueActual = (float)endColor.Blue;
int bytesPrLine = ((Width + 31) / 32) * 4;
float redGradientStep = (float)(endColor.Red - startColor.Red) / Height;
float greenGradientStep = (float)(endColor.Green - startColor.Green) / Height;
float blueGradientStep = (float)(endColor.Blue - startColor.Blue) / Height;
RGB color = new RGB ();
for (int y = Height - 1; y >= 0; y--) {
for (int x = 0; x < bytesPrLine * 8; x++) {
color.Red = (byte)redActual;
color.Green = (byte)greenActual;
color.Blue = (byte)blueActual;
screenshotImage.AppendRGB (color);
}
redActual -= redGradientStep;
greenActual -= greenGradientStep;
blueActual -= blueGradientStep;
}
if (fileName == "") {
fileName = "ScreenShot" + string.Format ("{0:yyyy-MM-dd_hh-mm-ss-tt}", DateTime.Now) + ".bmp";
}
if (!fileName.ToLower ().EndsWith (".bmp"))
{
fileName = fileName + ".bmp";
}
screenshotImage.WriteToFile(System.IO.Path.Combine(directory,fileName));
}
private void Write(RGB color)
{
byte temp;
switch(header.ColorDepth){
case ColorDepth.TrueColor:
Write(color.Blue);
Write(color.Green);
Write(color.Red);
break;
case ColorDepth.LowColor:
temp= GetColorIndex(color);
Write(temp);
break;
case ColorDepth.GrayScaleColor:
temp=color.Red; //red = green = blue
Write(temp);
break;
}
}
//This will return the index of the color in the Netscape color cube
private byte GetColorIndex(RGB color)
{
return (byte)((GetCubeIndex(color.Red) * 36) + (GetCubeIndex(color.Green) * 6) + GetCubeIndex(color.Blue));
}
private RGB[] CreateGrayScalePalette()
{
RGB[] palette = new RGB[ColorPaletteSize];
int index = 0;
while (index < ColorPaletteSize)
{
palette[index] = new RGB();
palette[index].Red = (byte)index;
palette[index].Green = (byte)index;
palette[index].Blue = (byte)index;
index++;
}
return palette;
}
//For 256 color the Netscape Color Cube is used (http://www.webreference.com/dev/graphics/palette.html)
private RGB[] CreateColorPalette()
{
RGB[] palette = null;
uint paletteIndex, redIndex, greenIndex, blueIndex;
RGB temp = new RGB();
byte[] colorMatrix = new byte[ColorMatrixSize];
colorMatrix[0] = 0x00;
colorMatrix[1] = 0x33;
colorMatrix[2] = 0x66;
colorMatrix[3] = 0x99;
colorMatrix[4] = 0xcc;
colorMatrix[5] = 0xff;
temp.Red = 0;
temp.Green = 0;
temp.Blue = 0;
palette = new RGB[ColorPaletteSize];
paletteIndex = 0;
redIndex = 0;
while (redIndex < ColorMatrixSize)
{
temp.Red = colorMatrix[redIndex];
greenIndex = 0;
while (greenIndex < ColorMatrixSize)
{
temp.Green = colorMatrix[greenIndex];
blueIndex = 0;
while (blueIndex < ColorMatrixSize)
{
temp.Blue = colorMatrix[blueIndex];
palette[paletteIndex] = temp;
blueIndex++;
paletteIndex++;
}
greenIndex++;
}
redIndex++;
}
temp.Red = 0xff;
temp.Green = 0xff;
temp.Blue = 0xff;
while (paletteIndex < ColorPaletteSize)
{
palette[paletteIndex] = temp;
paletteIndex++;
}
return palette;
}
public void TakeScreenShot(string directory = "")
{
screenshotImage.Clear ();
float redActual = (float) endColor.Red;
float greenActual = (float) endColor.Green;
float blueActual = (float) endColor.Blue;
RGB color = new RGB ();
for (int y = Height -1; y >= 0; y--) {
for (int x = 0; x < bytesPrLine * 8; x++) {
if (IsPixelSet (x, y)) {
color.Blue = 0x00;
color.Green = 0x00;
color.Red = 0x00;
}
else {
color.Red = (byte)redActual;
color.Green = (byte)greenActual;
color.Blue = (byte)blueActual;
}
screenshotImage.AppendRGB(color);
}
redActual -= redGradientStep;
greenActual-= greenGradientStep;
blueActual -= blueGradientStep;
}
screenshotImage.WriteToFile(System.IO.Path.Combine(directory,"ScreenShot") + string.Format("{0:yyyy-MM-dd_hh-mm-ss-tt}",DateTime.Now)+ ".bmp");
}
//This will return the index of the color in the Netscape color cube
private byte GetColorIndex(RGB color)
{
return((byte)((GetCubeIndex(color.Red) * 36) + (GetCubeIndex(color.Green) * 6) + GetCubeIndex(color.Blue)));
}