SmartObjectLayer.LoadContents
SmartObjectLayer.LoadContents method
Mendapat konten gambar tersemat atau tertaut dari lapisan objek pintar.
public Image LoadContents(LoadOptions options)
Parameter | Jenis | Keterangan |
---|---|---|
options | LoadOptions | Opsi. |
Nilai Pengembalian
Yang dimuatImage
contoh objek pintar.
Contoh
Kode berikut menunjukkan dukungan objek Cerdas Tertanam.
[C#]
void AssertAreEqual(object actual, object expected)
{
if (!object.Equals(actual, expected))
{
throw new FormatException(string.Format("Actual value {0} are not equal to expected {1}.", actual, expected));
}
}
// Contoh ini menunjukkan cara mengubah lapisan objek pintar di file PSD dan mengekspor/memperbarui konten tersemat asli objek pintar.
const int left = 0;
const int top = 0;
const int right = 0xb;
const int bottom = 0x10;
FileFormat[] formats = new[]
{
FileFormat.Png, FileFormat.Psd, FileFormat.Bmp, FileFormat.Jpeg, FileFormat.Gif, FileFormat.Tiff, FileFormat.Jpeg2000
};
foreach (FileFormat format in formats)
{
string formatString = format.ToString().ToLowerInvariant();
string formatExt = format == FileFormat.Jpeg2000 ? "jpf" : formatString;
string fileName = "r-embedded-" + formatString;
string sourceFilePath = fileName + ".psd";
string pngOutputPath = fileName + "_output.png";
string psdOutputPath = fileName + "_output.psd";
string png2OutputPath = fileName + "_updated.png";
string psd2OutputPath = fileName + "_updated.psd";
string exportPath = fileName + "_export." + formatExt;
using (PsdImage image = (PsdImage)Image.Load(sourceFilePath))
{
var smartObjectLayer = (SmartObjectLayer)image.Layers[0];
AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);
// Mari ekspor gambar objek pintar tersemat dari lapisan objek pintar PSD
smartObjectLayer.ExportContents(exportPath);
// Mari kita periksa apakah gambar aslinya disimpan dengan benar
image.Save(psdOutputPath, new PsdOptions(image));
image.Save(pngOutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
using (var innerImage = (RasterImage)smartObjectLayer.LoadContents(null))
{
AssertAreEqual(format, innerImage.FileFormat);
// Mari kita membalikkan gambar smart object asli
var pixels = innerImage.LoadArgb32Pixels(innerImage.Bounds);
for (int i = 0; i < pixels.Length; i++)
{
var pixel = pixels[i];
var alpha = (int)(pixel & 0xff000000);
pixels[i] = (~(pixel & 0x00ffffff)) | alpha;
}
innerImage.SaveArgb32Pixels(innerImage.Bounds, pixels);
// Mari kita ganti gambar objek pintar tersemat di lapisan PSD
smartObjectLayer.ReplaceContents(innerImage);
}
// Mari kita periksa apakah gambar yang diperbarui disimpan dengan benar
image.Save(psd2OutputPath, new PsdOptions(image));
image.Save(png2OutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
}
}
Lihat juga
- class Image
- class LoadOptions
- class SmartObjectLayer
- ruang nama Aspose.PSD.FileFormats.Psd.Layers.SmartObjects
- perakitan Aspose.PSD