private void Rotate90_Click(object sender, EventArgs e)
{
pictureBox1.Image = ImageManipulation.RotateImage(pictureBox1.Image, ImageManipulation.RotateMode.Ninetee);
}
private void Rotate180_Click(object sender, EventArgs e)
{
pictureBox1.Image = ImageManipulation.RotateImage(pictureBox1.Image,
ImageManipulation.RotateMode.OneHundretEighty);
}
private void Rotate270_Click(object sender, EventArgs e)
{
pictureBox1.Image = ImageManipulation.RotateImage(pictureBox1.Image,
ImageManipulation.RotateMode.TwoHundredSeventy);
}
public byte[] getBuffer(Bitmap image)
{
byte[] buf = new byte[EPD_WIDTH * EPD_HEIGHT / 2];
int imwidth = image.Width;
int imheight = image.Height;
_log.LogDebug($"imwidth = {imwidth} imheight = {imheight}");
if (imheight == EPD_WIDTH && imwidth == EPD_HEIGHT)
{
_log.LogDebug("Need to rotate image");
image = ImageManipulation.RotateImage(image);
imwidth = image.Width;
imheight = image.Height;
}
if (imwidth == EPD_WIDTH && imheight == EPD_HEIGHT)
{
_log.LogDebug("Width and Height match!");
for (int y = 0; y < imheight; y++)
{
for (int x = 0; x < imwidth; x++)
{
int add = (int)((x + y * EPD_WIDTH) / 2);
int color = 0;
Color pixelColor = image.GetPixel(x, y);
if (pixelColor == Color.FromArgb(0x00, 0x00, 0x00))
{
color = 0x00;
}
else if (pixelColor == Color.FromArgb(0xFF, 0xFF, 0xFF))
{
color = 0x01;
}
else if (pixelColor == Color.FromArgb(0x00, 0xFF, 0x00))
{
color = 0x02;
}
else if (pixelColor == Color.FromArgb(0x00, 0x00, 0xFF))
{
color = 0x03;
}
else if (pixelColor == Color.FromArgb(0xFF, 0x00, 0x00))
{
color = 0x04;
}
else if (pixelColor == Color.FromArgb(0xFF, 0xFF, 0x00))
{
color = 0x05;
}
else if (pixelColor == Color.FromArgb(0xFF, 0x80, 0x00))
{
color = 0x06;
}
else
{
color = 0x07;
}
int data_t = buf[add] & (~(0xF0 >> ((x % 2) * 4)));
buf[add] = Convert.ToByte(data_t | ((color << 4) >> ((x % 2) * 4)));
}
}
}
else
{
_log.LogDebug($"Image size is wrong. Must be {EPD_WIDTH}x{EPD_HEIGHT} but instead is {imwidth}x{imheight}");
}
return(buf);
}
