Class AiRasterImageSection

AiRasterImageSection class

La section Image raster AI

public sealed class AiRasterImageSection

Propriétés

NomLa description
Angle { get; }Obtient l’angle.
Height { get; }Obtient la hauteur.
ImageRectangle { get; }Obtient le rectangle de l’image.
LeftBottomShift { get; }Obtient le décalage inférieur gauche.
Name { get; }Obtient le nom de l’image raster.
OffsetX { get; }Obtient le décalage X.
OffsetY { get; }Obtient le décalage Y.
Pixels { get; }Obtient le tableau de pixels de couleur int.
Width { get; }Obtient la largeur.

Exemples

Le code suivant montre comment charger les paramètres des images raster dans des fichiers au format AI.

[C#]

const double DefaultTolerance = 1e-6;

void AssertIsTrue(bool condition, string message)
{
    if (!condition)
    {
        throw new FormatException(message);
    }
}

string sourceFile = "sample.ai";
using (AiImage image = (AiImage)Image.Load(sourceFile))
{
    AiLayerSection layer = image.Layers[0];

    AssertIsTrue(layer.RasterImages != null, "RasterImages property should be not null");
    AssertIsTrue(layer.RasterImages.Length == 1, "RasterImages property should contain exactly one item");

    AiRasterImageSection rasterImage = layer.RasterImages[0];
    AssertIsTrue(rasterImage.Pixels != null, "rasterImage.Pixels property should be not null");
    AssertIsTrue(rasterImage.Pixels.Length == 100, "rasterImage.Pixels property should contain exactly 100 items");
    AssertIsTrue((uint)rasterImage.Pixels[99] == 0xFFB21616, "rasterImage.Pixels[99] should be 0xFFB21616");
    AssertIsTrue((uint)rasterImage.Pixels[19] == 0xFF00FF00, "rasterImage.Pixels[19] should be 0xFF00FF00");
    AssertIsTrue((uint)rasterImage.Pixels[10] == 0xFF01FD00, "rasterImage.Pixels[10] should be 0xFF01FD00");
    AssertIsTrue((uint)rasterImage.Pixels[0] == 0xFF0000FF, "rasterImage.Pixels[0] should be 0xFF0000FF");
    AssertIsTrue(Math.Abs(0.999875 - rasterImage.Width) < DefaultTolerance, "rasterImage.Width should be 0.99987");
    AssertIsTrue(Math.Abs(0.999875 - rasterImage.Height) < DefaultTolerance, "rasterImage.Height should be 0.99987");
    AssertIsTrue(Math.Abs(387 - rasterImage.OffsetX) < DefaultTolerance, "rasterImage.OffsetX should be 387");
    AssertIsTrue(Math.Abs(379 - rasterImage.OffsetY) < DefaultTolerance, "rasterImage.OffsetY should be 379");
    AssertIsTrue(Math.Abs(0 - rasterImage.Angle) < DefaultTolerance, "rasterImage.Angle should be 0");
    AssertIsTrue(Math.Abs(0 - rasterImage.LeftBottomShift) < DefaultTolerance, "rasterImage.LeftBottomShift should be 0");
    AssertIsTrue(Math.Abs(0 - rasterImage.ImageRectangle.X) < DefaultTolerance, "rasterImage.ImageRectangle.X should be 0");
    AssertIsTrue(Math.Abs(0 - rasterImage.ImageRectangle.Y) < DefaultTolerance, "rasterImage.ImageRectangle.Y should be 0");
    AssertIsTrue(Math.Abs(10 - rasterImage.ImageRectangle.Width) < DefaultTolerance, "rasterImage.ImageRectangle.Width should be 10");
    AssertIsTrue(Math.Abs(10 - rasterImage.ImageRectangle.Height) < DefaultTolerance, "rasterImage.ImageRectangle.Height should be 10");
}

Voir également

Class AiLayerSection Class AiSection