//
/// <summary>
/// Resizes an Image to fit in a canvas (<see href="http://stackoverflow.com/questions/1940581/c-sharp-image-resizing-to-different-size-while-preserving-aspect-ratio">Reference</see>)
/// </summary>
/// <param name="image">Source image</param>
/// <param name="maxWidth">Canvas width</param>
/// <param name="maxHeight">Canvas height</param>
/// <param name="returnIncludesCanvas">If the returned image should include the canvas padding</param>
/// <param name="settings">Settings for resizing</param>
/// <returns>Resized image</returns>
public static Bitmap ResizeImage(Image image, int maxWidth, int maxHeight, bool returnIncludesCanvas = true, PrimeParameters settings = null)
{
var newWidth = image.Width;
var newHeight = image.Height;
if (image.Width > maxHeight || image.Height > maxHeight)
{
var ratioX = (double)maxWidth / image.Width;
var ratioY = (double)maxHeight / image.Height;
var ratio = Math.Min(ratioX, ratioY);
newWidth = (int)(image.Width * ratio);
newHeight = (int)(image.Height * ratio);
}
Bitmap newImage;
if (returnIncludesCanvas)
{
newImage = new Bitmap(maxWidth, maxHeight);
Graphics.FromImage(newImage).DrawImage(image, (maxWidth - newWidth) / 2, (maxHeight - newHeight) / 2, newWidth, newHeight);
}
else
{
newImage = new Bitmap(newWidth, newHeight);
Graphics.FromImage(newImage).DrawImage(image, 0, 0, newWidth, newHeight);
}
// Dithering
//targetImage =
try
{
if (settings != null)
{
if (Environment.OSVersion.Version.Major >= 6)
{
var ditherMethod = settings.GetSetting("ImageDitheringMethod", DitherType.DitherTypeNone);
// Dithering only works with Windows Vista or newer due GDI+ 1.1
if (ditherMethod != DitherType.DitherTypeNone)
{
newImage.ChangeTo16bppRgb555(ditherMethod);
}
//newImage.ChangeToSpecialIndexed(PaletteType.PaletteTypeOptimal, ditherMethod);
}
}
}
catch
{
}
return(newImage);
}
internal static string GenerateProgramFromImage(string path, string name, PrimeParameters settings)
{
const int width = 320, height = 240;
var mode = settings.GetSetting("ImageMethod", ImageProcessingMode.DimgrobPieces);
var img = ResizeImage(Image.FromFile(path, true), width, height, mode == ImageProcessingMode.Pixels || mode == ImageProcessingMode.DimgrobPieces, settings);
const string defaultColor = "000000"; // RRGGBB
var p = new StringBuilder("EXPORT " + name + "()");
p.Append("\nBEGIN\n");
switch (mode)
{
case ImageProcessingMode.Pixels:
p.Append("RECT(#" + defaultColor + "h);\n");
const int totalBytesPixels = width * height * 3;
var bmpDataPixels = img.LockBits(new Rectangle(0, 0, img.Width, img.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format24bppRgb);
var rgbValuesPixels = new byte[totalBytesPixels];
// Copy the RGB values into the array
Marshal.Copy(bmpDataPixels.Scan0, rgbValuesPixels, 0, totalBytesPixels);
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
var c = GetColor(ref rgbValuesPixels, x, y, width);
if (c != defaultColor)
{
p.Append(String.Format("PIXON_P({0},{1},#{2}h);\n", x, y, c));
}
}
}
img.UnlockBits(bmpDataPixels);
p.Append("WAIT;END;");
break;
case ImageProcessingMode.DimgrobPieces:
const int totalBytes = width * height * 2;
var bmpData = img.LockBits(new Rectangle(0, 0, img.Width, img.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format16bppArgb1555);
var rgbValues = new byte[totalBytes];
// Copy the RGB values into the array.
Marshal.Copy(bmpData.Scan0, rgbValues, 0, totalBytes);
var dimGrobParts = new List <String>();
var optimizeBlack = settings.GetFlag("ImageMethodDimgrobOptimizeBlacks");
for (var y = 0; y < height; y++)
{
for (var x = 0; x <= (width * 2) - 8; x += 8)
{
var r = (y * 640) + x;
dimGrobParts.Add(GetDimGrobPiece(ref rgbValues, r, optimizeBlack));
}
}
img.UnlockBits(bmpData);
// Create the definitions
const int rows = 4;
var arr = dimGrobParts.ToArray();
try
{
var lines = new Dictionary <String, List <String> >();
for (var i = 0; i <= height - rows; i += rows)
{
var c = "DIMGROB_P(G1,320," + rows + ",{" + String.Join(",", arr, i * 80, 320) + "});";
if (!lines.ContainsKey(c))
{
lines.Add(c, new List <String>());
}
lines[c].Add("BLIT_P(G0,0," + i + "," + 320 + "," + (i + rows) + ",G1,0,0,320," + rows + ");");
}
var optimizeSimilar = settings.GetFlag("ImageMethodDimgrobOptimizeSimilar");
foreach (var t in lines)
{
if (optimizeSimilar)
{
p.AppendLine(t.Key);
}
foreach (var l in t.Value)
{
if (!optimizeSimilar)
{
p.AppendLine(t.Key);
}
p.AppendLine(l);
}
}
}
catch
{
}
p.Append("WAIT;END;");
break;
case ImageProcessingMode.Icon:
p.Append("blit_p(" + (width - img.Width / 2) + "," + (height - img.Height / 2) +
",\"img\");\nWAIT;END;\nICON img ");
var tmp = Path.GetTempFileName();
var pngCodec = ImageCodecInfo.GetImageEncoders().FirstOrDefault(codec => codec.FormatID.Equals(ImageFormat.Png.Guid));
//
//Bitmap bitmap1 = new Bitmap(1, 1);
//EncoderParameters paramList = bitmap1.GetEncoderParameterList(pngCodec.Clsid);
//
if (pngCodec != null)
{
var parameters = new EncoderParameters();
parameters.Param[0] = new EncoderParameter(Encoder.ColorDepth, 4L);
//parameters.Param[1] = new EncoderParameter(Encoder., 1);
img.Save(tmp, pngCodec, parameters);
}
else
{
img.Save(tmp, ImageFormat.Png);
}
p.Append(BitConverter.ToString(File.ReadAllBytes(tmp)).Replace("-", string.Empty) + ";");
break;
}
return(p.ToString());
}
