private static void Test_Pixel_NotEqual(MagickImage image, int x, int y, MagickColor color)
{
using (PixelCollection collection = image.GetReadOnlyPixels())
{
ColorAssert.AreNotEqual(color, collection.GetPixel(x, y));
}
}
public void Test_IEnumerable()
{
using (MagickImage image = new MagickImage(Color.Red, 5, 10))
{
PixelCollection pixels = image.GetReadOnlyPixels();
Assert.AreEqual(50, pixels.Count());
}
}
public void Test_Dimensions()
{
using (MagickImage image = new MagickImage(Color.Red, 5, 10))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Assert.AreEqual(5, pixels.Width);
Assert.AreEqual(10, pixels.Height);
Assert.AreEqual(5 * 10 * pixels.Channels, pixels.GetValues().Length);
}
}
}
public void Test_GetValues()
{
using (MagickImage image = new MagickImage(Color.PowderBlue, 1, 1))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
var values = pixels.GetValues();
Assert.AreEqual(3, values.Length);
MagickColor color = new MagickColor(values[0], values[1], values[2]);
ColorAssert.AreEqual(Color.PowderBlue, color);
}
}
}
public void Test_Colors()
{
using (MagickImage image = new MagickImage(Files.Coders.PlayerPSD))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(0, 0);
ColorAssert.AreEqual(MagickColor.Transparent, pixel.ToColor());
pixel = pixels.GetPixel(8, 6);
ColorAssert.AreEqual(Color.FromArgb(15, 43, 255), pixel.ToColor());
}
}
}
private static void TestPixels(MagickImage image, MagickColor color)
{
using (MemoryStream memStream = new MemoryStream())
{
image.Format = MagickFormat.Png;
image.Write(memStream);
memStream.Position = 0;
using (MagickImage output = new MagickImage(memStream))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
for (int i = 0; i < 10; i++)
ColorAssert.AreEqual(color, pixels.GetPixel(i, 0).ToColor());
}
}
}
}
public void Test_Read_Bytes()
{
#if Q8
var bytes = new byte[] { 1, 2, 3, 4 };
#elif Q16 || Q16HDRI
var bytes = new byte[] { 1, 0, 2, 0, 3, 0, 4, 0 };
#else
#error Not implemented!
#endif
MagickReadSettings settings = new MagickReadSettings()
{
Width = 1,
Height = 1
};
settings.Format = MagickFormat.Rgba;
using (MagickImage image = new MagickImage(bytes, settings))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(0, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(1, pixel.GetChannel(0));
Assert.AreEqual(2, pixel.GetChannel(1));
Assert.AreEqual(3, pixel.GetChannel(2));
Assert.AreEqual(4, pixel.GetChannel(3));
}
}
settings.Format = MagickFormat.Rgbo;
using (MagickImage image = new MagickImage(bytes, settings))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(0, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(1, pixel.GetChannel(0));
Assert.AreEqual(2, pixel.GetChannel(1));
Assert.AreEqual(3, pixel.GetChannel(2));
Assert.AreEqual(Quantum.Max - 4, pixel.GetChannel(3));
}
}
}
public void Test_IndexOutOfRange()
{
using (MagickImage image = new MagickImage(Color.Red, 5, 10))
{
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetValue(5, 0);
});
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetValue(-1, 0);
});
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetValue(0, -1);
});
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetValue(0, 10);
});
}
}
}
public void Test_Scale()
{
using (MagickImage image = new MagickImage(Files.CirclePNG))
{
MagickColor color = Color.FromArgb(159, 255, 255, 255);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreEqual(color, pixels.GetPixel(image.Width / 2, image.Height / 2).ToColor());
}
image.Scale((Percentage)400);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreEqual(color, pixels.GetPixel(image.Width / 2, image.Height / 2).ToColor());
}
}
}
public void Test_Execute_Variables()
{
MagickScript script = new MagickScript(Files.Scripts.Variables);
string[] names = script.Variables.Names.ToArray();
Assert.AreEqual(3, names.Length);
Assert.AreEqual("width", names[0]);
Assert.AreEqual("height", names[1]);
Assert.AreEqual("color", names[2]);
using (MagickImage image = new MagickImage(Files.MagickNETIconPNG))
{
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
script.Execute(image);
});
script.Variables["width"] = "test";
ExceptionAssert.Throws<FormatException>(delegate ()
{
script.Execute(image);
});
script.Variables.Set("width", 100);
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
script.Execute(image);
});
script.Variables["height"] = "100";
Assert.AreEqual("100", script.Variables.Get("height"));
script.Variables["color"] = Color.Yellow;
script.Execute(image);
Assert.AreEqual(100, image.Width);
Assert.AreEqual(100, image.Height);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreEqual(Color.Yellow, pixels.GetPixel(0, 0));
}
}
}
private static void Test_Separate_Composite(MagickImage image, ColorSpace colorSpace, int value)
{
Assert.AreEqual(colorSpace, image.ColorSpace);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(340, 260);
ColorAssert.AreEqual(Color.FromArgb(value, value, value), pixel.ToColor());
}
}
public void Test_FillColor()
{
using (MagickImage image = new MagickImage(MagickColor.Transparent, 100, 100))
{
image.FillColor = null;
Pixel pixelA;
image.FillColor = Color.Red;
image.Read("caption:Magick.NET");
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
pixelA = pixels.GetPixel(69, 6);
}
Pixel pixelB;
image.FillColor = Color.Yellow;
image.Read("caption:Magick.NET");
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
pixelB = pixels.GetPixel(69, 6);
}
ColorAssert.AreNotEqual(pixelA, pixelB);
}
}
public void Test_ColorAlpha()
{
using (MagickImage image = new MagickImage(Files.MagickNETIconPNG))
{
MagickColor purple = new MagickColor("purple");
image.ColorAlpha(purple);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreNotEqual(purple, pixels.GetPixel(45, 75).ToColor());
ColorAssert.AreEqual(purple, pixels.GetPixel(100, 60).ToColor());
}
}
}
public void Test_SparseColors()
{
MagickReadSettings settings = new MagickReadSettings();
settings.Width = 600;
settings.Height = 60;
using (MagickImage image = new MagickImage("xc:", settings))
{
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
image.SparseColor(Channels.Red, SparseColorMethod.Barycentric, null);
});
List<SparseColorArg> args = new List<SparseColorArg>();
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
image.SparseColor(Channels.Blue, SparseColorMethod.Barycentric, args);
});
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreEqual(pixels.GetPixel(0, 0), pixels.GetPixel(599, 59));
}
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
args.Add(new SparseColorArg(0, 0, null));
});
args.Add(new SparseColorArg(0, 0, new MagickColor("skyblue")));
args.Add(new SparseColorArg(-600, 60, new MagickColor("skyblue")));
args.Add(new SparseColorArg(600, 60, new MagickColor("black")));
image.SparseColor(SparseColorMethod.Barycentric, args);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
ColorAssert.AreNotEqual(pixels.GetPixel(0, 0), pixels.GetPixel(599, 59));
}
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
image.SparseColor(Channels.Black, SparseColorMethod.Barycentric, args);
});
}
}
public void Test_Shadow()
{
using (MagickImage image = new MagickImage())
{
image.BackgroundColor = MagickColor.Transparent;
image.FontPointsize = 60;
image.Read("label:Magick.NET");
int width = image.Width;
int height = image.Height;
image.Shadow(2, 2, 1, new ImageMagick.Percentage(50), Color.Red);
Assert.AreEqual(width + 4, image.Width);
Assert.AreEqual(height + 4, image.Height);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(90, 9);
Assert.AreEqual(0, pixel.ToColor().A);
}
}
}
public void Test_Image_Read()
{
MagickReadSettings settings = CreateSettings();
using (MagickImage image = new MagickImage())
{
byte[] data = new byte[]
{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0xf0, 0x3f,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0xf0, 0x3f,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
};
image.Read(data, settings);
Assert.AreEqual(2, image.Width);
Assert.AreEqual(1, image.Height);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(0, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(0, pixel.GetChannel(0));
Assert.AreEqual(0, pixel.GetChannel(1));
Assert.AreEqual(0, pixel.GetChannel(2));
Assert.AreEqual(Quantum.Max, pixel.GetChannel(3));
pixel = pixels.GetPixel(1, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(0, pixel.GetChannel(0));
Assert.AreEqual(Quantum.Max, pixel.GetChannel(1));
Assert.AreEqual(0, pixel.GetChannel(2));
Assert.AreEqual(0, pixel.GetChannel(3));
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetPixel(0, 1);
});
}
}
}
public void Test_Ping()
{
using (MagickImage image = new MagickImage())
{
image.Ping(Files.FujiFilmFinePixS1ProJPG);
ExceptionAssert.Throws<InvalidOperationException>(delegate ()
{
image.GetReadOnlyPixels();
});
ImageProfile profile = image.Get8BimProfile();
Assert.IsNotNull(profile);
}
}
public void Test_Set()
{
using (MagickImage image = new MagickImage(Color.Red, 5, 10))
{
using (WritablePixelCollection pixels = image.GetWritablePixels())
{
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
pixels.Set((QuantumType[])null);
});
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
pixels.Set((Pixel)null);
});
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
pixels.Set((Pixel[])null);
});
Assert.AreEqual(3, pixels.Channels);
Test_Set(pixels, new QuantumType[] { });
Test_Set(pixels, new QuantumType[] { 0 });
Test_Set(pixels, new QuantumType[] { 0, 0 });
pixels.Set(new QuantumType[] { 0, 0, 0 });
Test_PixelColor(pixels, Color.Black);
pixels.Write();
}
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Test_PixelColor(pixels, Color.Black);
}
using (WritablePixelCollection pixels = image.GetWritablePixels())
{
pixels.Set(new uint[] { 4294967295, 0, 0 });
Test_PixelColor(pixels, Color.Red);
pixels.Set(new ushort[] { 0, 0, 65535 });
Test_PixelColor(pixels, Color.Blue);
pixels.Set(new byte[] { 0, 255, 0 });
Test_PixelColor(pixels, Color.Lime);
}
using (WritablePixelCollection pixels = image.GetWritablePixels())
{
for (int x = 0; x < pixels.Width; x++)
{
for (int y = 0; y < pixels.Height; y++)
{
pixels.Set(x, y, new QuantumType[] { 0, 0, 0 });
}
}
}
}
}
static void Main(string[] args)
{
if (args.Length != 9) {
Console.WriteLine("ImageMerge: Version 1.0");
displaySyntax();
} else {
for (int i = 0; i < 50; i++)
Placed[i] = false;
canvasSizeX = Convert.ToInt32(args[0]);
canvasSizeY = Convert.ToInt32(args[1]);
int canvasStartX = Convert.ToInt32(args[2]);
int canvasStartY = Convert.ToInt32(args[3]);
string bgColor = "xc:" + args[4]; // canvas color name or hex color
accuracy = Convert.ToInt32(args[5]);
shortCut = Convert.ToInt32(args[6]);
nearness = Convert.ToInt32(args[7]);
double overlap = Convert.ToDouble(args[8]);
Console.WriteLine("\nCanvas Size: " + canvasSizeX.ToString() + "x" + canvasSizeY.ToString());
Console.WriteLine("Canvas Start: " + canvasStartX.ToString() + "x" + canvasStartY.ToString());
Console.WriteLine("Background color: " + args[4]);
Console.WriteLine("Accuracy: " + accuracy.ToString());
Console.WriteLine("Nearness: " + nearness.ToString());
Console.WriteLine("Overlap: " + overlap.ToString() + "\n");
if (overlap != 0) // 0 means use default 20 which is 20% overlap for nearness=1
overlapPercent = overlap;
overlapPercent = overlapPercent / 100 / accuracy / accuracy;
if (!((shortCut == 0) || (shortCut == 1))) {
Console.WriteLine("shortCut value is " + shortCut.ToString() + ". It must be 0 or 1. Setting to 0.\n\n");
displaySyntax();
Console.WriteLine("\n\n");
shortCut = 0;
}
if (nearness < 0) {
Console.WriteLine("nearness value is " + nearness.ToString() + ". It must be greater than 0. Setting to 0.\n\n");
displaySyntax();
Console.WriteLine("\n\n");
nearness = 0;
}
if ((nearness > 0) && (shortCut != 1)) {
Console.WriteLine("If nearness equal 1 then shortcut must equal 1. Setting shortcut = 1.\n\n");
displaySyntax();
Console.WriteLine("\n\n");
shortCut = 1;
}
UsedPixel = new bool[canvasSizeX, canvasSizeY]; // remembers which pixels are used in the canvas
canvasR = new ushort[canvasSizeX, canvasSizeY];
canvasG = new ushort[canvasSizeX, canvasSizeY];
canvasB = new ushort[canvasSizeX, canvasSizeY];
for (int y = 0; y < canvasSizeY; y++)
for (int x = 0; x < canvasSizeX; x++) {
UsedPixel[x, y] = false;
}
using (MagickImage canvas = new MagickImage(bgColor, canvasSizeX, canvasSizeY)) {
string[] files = Directory.GetFiles(".", "*.png", SearchOption.TopDirectoryOnly);
int maxWidth = 0, maxHeight = 0;
int len = files.Length;
if (len < 2) {
Console.WriteLine("Need at least 2 images to run.");
return;
}
for (int i = 0; i < len; i++) {
image[i] = new MagickImage(files[i]);
imagePC[i] = image[i].GetReadOnlyPixels();
if (image[i].Width > maxWidth)
maxWidth = image[i].Width;
if (image[i].Height > maxHeight)
maxHeight = image[i].Height;
}
// record RGB pixel values for each image to reduce calls to GetPixel() to improve performance
imageR = new ushort[len, maxWidth, maxHeight];
imageG = new ushort[len, maxWidth, maxHeight];
imageB = new ushort[len, maxWidth, maxHeight];
for (int i = 1; i < len; i++) {
for (int y = 0; y < image[i].Height; y++) {
for (int x = 0; x < image[i].Width; x++) {
Pixel p = imagePC[i].GetPixel(x, y); // image pixel
imageR[i, x, y] = p.GetChannel(0);
imageG[i, x, y] = p.GetChannel(1);
imageB[i, x, y] = p.GetChannel(2);
}
}
}
canvas.Composite(image[0], new MagickGeometry(canvasStartX, canvasStartY, image[0].Width, image[0].Height), CompositeOperator.Over);
canvas.Write(@"output\output-1.png");
canvasPC = canvas.GetReadOnlyPixels();
getCanvasRGB();
Placed[0] = true; // first image has been placed on canvas
// top/left of active-canvas
activeCanvasX1 = lastImageX1 = canvasStartX;
activeCanvasY1 = lastImageY1 = canvasStartY;
// bottom/right of active-canvas
activeCanvasX2 = lastImageX2 = canvasStartX + image[0].Width - 1;
activeCanvasY2 = lastImageY2 = canvasStartY + image[0].Height - 1;
setUsedPixels(activeCanvasX1, activeCanvasY1, activeCanvasX2, activeCanvasY2);
int outputImageNum = 2;
bool imagePlaced = false;
canvasX = canvasSizeX - 1; // right column of pixels
canvasY = canvasSizeY - 1; // bottom row of pixels
Console.WriteLine(files[0] + " -> output-1: " + canvasStartX.ToString() + "x" + canvasStartY.ToString());
do {
imagePlaced = false;
for (int i = 1; i < len; i++) {
if (!Placed[i]) { // if image has not been placed on canvas
Console.Write(files[i]);
findCorrectOverlap(i);
if ((nearness == 0) && (overlapMax == 0))
Console.WriteLine(": NO MERGE");
else {
Console.WriteLine(" -> output-" + outputImageNum.ToString() + ": " + maxX1.ToString() + "x" + maxY1.ToString());
int w = image[i].Width;
int h = image[i].Height;
canvas.Composite(image[i], new MagickGeometry(maxX1, maxY1, w, h), CompositeOperator.Over);
canvas.Write(@"output\output-" + (outputImageNum++).ToString() + ".png");
canvasPC = canvas.GetReadOnlyPixels(); // update canvas pixels
getCanvasRGB();
// record canvas background for comparison later
canvasBackR = canvasR[0, 0];
canvasBackG = canvasG[0, 0];
canvasBackB = canvasB[0, 0];
Placed[i] = true; // image has bee placed on canvas
maxX2 = maxX1 + w - 1;
maxY2 = maxY1 + h - 1;
// prevent bottom right from going outside of canvas
if (maxX2 > canvasX)
maxX2 = canvasX;
if (maxY2 > canvasY)
maxY2 = canvasY;
setUsedPixels(maxX1, maxY1, maxX2, maxY2); // mark pixels used
// update Active Canvas
if (maxX1 < activeCanvasX1)
activeCanvasX1 = maxX1;
if (maxY1 < activeCanvasY1)
activeCanvasY1 = maxY1;
if (maxX2 > activeCanvasX2)
activeCanvasX2 = maxX2;
if (maxY2 > activeCanvasY2)
activeCanvasY2 = maxY2;
imagePlaced = true;
if (shortCut == 1) {
lastImageX1 = maxX1;
lastImageY1 = maxY1;
lastImageX2 = maxX2;
lastImageY2 = maxY2;
}
}
}
}
} while (imagePlaced); // repeat until no images are placed
}
}
}
