public void LoadGifPicture(string filename)
{
Bitmap bmp = (Bitmap)Bitmap.FromFile(filename);
if (reverse_colours)
{
byte[] img = new byte[bmp.Width * bmp.Height * 3];
BitmapArrayConversions.updatebitmap(bmp, img);
BitmapArrayConversions.RGB_BGR(img);
BitmapArrayConversions.updatebitmap_unsafe(img, bmp);
}
LoadGifPicture(bmp);
}
/// <summary>
/// add some text to the given image
/// </summary>
/// <param name="img">colour image into which to insert th text</param>
/// <param name="img_width">width of the image</param>
/// <param name="img_height">height of the image</param>
/// <param name="text">text to be added</param>
/// <param name="font">font style</param>
/// <param name="font_size">font size</param>
/// <param name="r">red</param>
/// <param name="g">green</param>
/// <param name="b">blue</param>
/// <param name="position_x">x coordinate at which to insert the text</param>
/// <param name="position_y">y coordinate at which to insert the text</param>
public static void AddText(byte[] img, int img_width, int img_height,
String text,
String font, int font_size,
int r, int g, int b,
float position_x, float position_y)
{
Bitmap screen_bmp = new Bitmap(img_width, img_height,
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// insert the existing image into the bitmap
BitmapArrayConversions.updatebitmap_unsafe(img, screen_bmp);
Font drawFont = new Font(font, font_size);
SolidBrush drawBrush = new SolidBrush(Color.FromArgb(r, g, b));
Graphics grph = Graphics.FromImage(screen_bmp);
grph.DrawString(text, drawFont, drawBrush, position_x, position_y);
grph.Dispose();
// extract the bitmap data
BitmapArrayConversions.updatebitmap(screen_bmp, img);
}
public static void CreateFromStereoPair(
string left_image,
string right_image,
string gif_filename,
int delay_mS,
float offset_x,
float offset_y,
float scale,
ref string left_image_filename,
ref string right_image_filename)
{
int n = 0;
left_image_filename = left_image;
right_image_filename = right_image;
if (scale < 1)
{
Bitmap bmp0 = (Bitmap)Bitmap.FromFile(left_image);
byte[] img0 = new byte[bmp0.Width * bmp0.Height * 3];
BitmapArrayConversions.updatebitmap(bmp0, img0);
byte[] img0_scaled = new byte[bmp0.Width * bmp0.Height * 3];
int cy0 = bmp0.Height / 2;
int cx0 = bmp0.Width / 2;
n = 0;
for (int y = 0; y < bmp0.Height; y++)
{
int yy = cy0 + (int)((y - cy0) * scale);
for (int x = 0; x < bmp0.Width; x++, n += 3)
{
int xx = cx0 + (int)((x - cx0) * scale);
int n2 = ((yy * bmp0.Width) + xx) * 3;
if ((n2 > -1) && (n2 < img0.Length - 3))
{
img0_scaled[n] = img0[n2];
img0_scaled[n + 1] = img0[n2 + 1];
img0_scaled[n + 2] = img0[n2 + 2];
}
}
}
scale = 1;
bmp0 = new Bitmap(bmp0.Width, bmp0.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
BitmapArrayConversions.updatebitmap_unsafe(img0_scaled, bmp0);
left_image_filename = left_image.Substring(0, right_image.Length - 4) + "2.bmp";
bmp0.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
}
Bitmap bmp = (Bitmap)Bitmap.FromFile(right_image);
byte[] img = new byte[bmp.Width * bmp.Height * 3];
BitmapArrayConversions.updatebitmap(bmp, img);
byte[] img_offset = new byte[bmp.Width * bmp.Height * 3];
n = 0;
int cy = bmp.Height / 2;
int cx = bmp.Width / 2;
scale = 1.0f / scale;
for (int y = 0; y < bmp.Height; y++)
{
int yy = cy + (int)((y - cy) * scale);
for (int x = 0; x < bmp.Width; x++, n += 3)
{
int xx = cx + (int)((x - cx) * scale);
int n2 = (((int)(yy + offset_y) * bmp.Width) + (int)(xx + offset_x)) * 3;
if ((n2 > -1) && (n2 < img.Length - 3))
{
img_offset[n] = img[n2];
img_offset[n + 1] = img[n2 + 1];
img_offset[n + 2] = img[n2 + 2];
}
}
}
bmp = new Bitmap(bmp.Width, bmp.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
BitmapArrayConversions.updatebitmap_unsafe(img_offset, bmp);
right_image_filename = right_image.Substring(0, right_image.Length - 4) + "2.bmp";
bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
List <string> images = new List <string>();
images.Add(left_image_filename);
images.Add(right_image_filename);
CreateAnimatedGif(images, delay_mS, gif_filename);
}
public static void CreateFromStereoPair(
string left_image,
string right_image,
string gif_filename,
int delay_mS,
float offset_x,
float offset_y,
float scale,
float rotation_degrees,
bool reverse_colours,
ref string left_image_filename,
ref string right_image_filename)
{
int n = 0;
left_image_filename = left_image;
right_image_filename = right_image;
if (scale < 1)
{
Bitmap bmp0 = (Bitmap)Bitmap.FromFile(left_image);
byte[] img0 = new byte[bmp0.Width * bmp0.Height * 3];
BitmapArrayConversions.updatebitmap(bmp0, img0);
if (reverse_colours)
{
BitmapArrayConversions.RGB_BGR(img0);
}
int[] lookup0 = new int[bmp0.Width * bmp0.Height * 3];
byte[] img0_scaled = new byte[bmp0.Width * bmp0.Height * 3];
CreateScaledImageLookupColour(scale, lookup0, bmp0.Width, bmp0.Height, 0, 0, 0);
for (int i = 0; i < img0_scaled.Length; i++)
{
img0_scaled[i] = img0[lookup0[i]];
}
scale = 1;
bmp0 = new Bitmap(bmp0.Width, bmp0.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
BitmapArrayConversions.updatebitmap_unsafe(img0_scaled, bmp0);
left_image_filename = left_image.Substring(0, right_image.Length - 4) + "2.bmp";
bmp0.Save(left_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
}
Bitmap bmp = (Bitmap)Bitmap.FromFile(right_image);
byte[] img = new byte[bmp.Width * bmp.Height * 3];
BitmapArrayConversions.updatebitmap(bmp, img);
if (reverse_colours)
{
BitmapArrayConversions.RGB_BGR(img);
}
byte[] img_offset = new byte[bmp.Width * bmp.Height * 3];
int[] lookup1 = new int[bmp.Width * bmp.Height * 3];
scale = 1.0f / scale;
CreateScaledImageLookupColour(scale, lookup1, bmp.Width, bmp.Height, (int)offset_x, (int)offset_y, rotation_degrees);
for (int i = 0; i < img_offset.Length; i++)
{
img_offset[i] = img[lookup1[i]];
}
bmp = new Bitmap(bmp.Width, bmp.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
if (reverse_colours)
{
BitmapArrayConversions.RGB_BGR(img_offset);
}
BitmapArrayConversions.updatebitmap_unsafe(img_offset, bmp);
right_image_filename = right_image.Substring(0, right_image.Length - 4) + "2.bmp";
bmp.Save(right_image_filename, System.Drawing.Imaging.ImageFormat.Bmp);
List <string> images = new List <string>();
images.Add(left_image_filename);
images.Add(right_image_filename);
CreateAnimatedGif(images, delay_mS, gif_filename, reverse_colours);
}