GifFrameBlock Constructor (UInt16, UInt16)
Initializes a new instance of the GifFrameBlock class.

Namespace: Aspose.Imaging.FileFormats.Gif.Blocks
Assembly: Aspose.Imaging (in Aspose.Imaging.dll) Version: 21.04
Syntax
public GifFrameBlock(
	ushort width,
	ushort height
)

Parameters

width
Type: SystemUInt16
The image width.
height
Type: SystemUInt16
The image height.
Examples
This example shows how to create a GIF image and save it to a file.
[C#]

string dir = "c:\\temp\\";

// Create a GIF Frame block of 100x100 px.
using (Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock firstBlock = new Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock(100, 100))
{
    // Fill the entire block in red.
    Aspose.Imaging.Graphics gr = new Aspose.Imaging.Graphics(firstBlock);
    Aspose.Imaging.Brushes.SolidBrush brush = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Red);
    gr.FillRectangle(brush, firstBlock.Bounds);

    using (Aspose.Imaging.FileFormats.Gif.GifImage gifImage = new Aspose.Imaging.FileFormats.Gif.GifImage(firstBlock))
    {
        gifImage.Save(dir + "output.gif");
    }
}
Examples
This example shows how to create a GIF image with a custom palette and save it to a file.
[C#]

string dir = "c:\\temp\\";

// Create a GIF Frame block of 100x100 px.
using (Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock firstBlock = new Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock(100, 100))
{
    // Fill the entire block in red.
    Aspose.Imaging.Graphics gr = new Aspose.Imaging.Graphics(firstBlock);
    Aspose.Imaging.Brushes.SolidBrush brush = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Red);
    gr.FillRectangle(brush, firstBlock.Bounds);

    // Use 4-bit palette to reduce the image size. The quality can get worse.
    Aspose.Imaging.IColorPalette palette = Aspose.Imaging.ColorPaletteHelper.Create4Bit();

    using (Aspose.Imaging.FileFormats.Gif.GifImage gifImage = new Aspose.Imaging.FileFormats.Gif.GifImage(firstBlock, palette))
    {
        gifImage.Save(dir + "output.gif");
    }
}
Examples
The following example shows how to compose an animated GIF image from individual GIF blocks.
[C#]

string dir = "c:\\temp\\";

// Create a GIF image 100 x 100 px.
// The first block is fully black by default.
using (Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock firstBlock = new Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock(100, 100))
using (Aspose.Imaging.FileFormats.Gif.GifImage gifImage = new Aspose.Imaging.FileFormats.Gif.GifImage(firstBlock))
{
    // The first circle is red
    Aspose.Imaging.Brushes.SolidBrush brush1 = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Red);

    // The second circle is black
    Aspose.Imaging.Brushes.SolidBrush brush2 = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Black);

    // Gradually inscrease the angle of the red arc shape.
    for (int angle = 10; angle <= 360; angle += 10)
    {
        Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock block = new Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock(100, 100);

        Aspose.Imaging.Graphics gr = new Aspose.Imaging.Graphics(block);
        gr.FillPie(brush1, block.Bounds, 0, angle);

        gifImage.AddBlock(block);
    }

    // Gradually inscrease the angle of the black arc and wipe out the red arc.
    for (int angle = 10; angle <= 360; angle += 10)
    {
        Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock block = new Aspose.Imaging.FileFormats.Gif.Blocks.GifFrameBlock(100, 100);

        Aspose.Imaging.Graphics gr = new Aspose.Imaging.Graphics(block);
        gr.FillPie(brush2, block.Bounds, 0, angle);
        gr.FillPie(brush1, block.Bounds, angle, 360 - angle);

        gifImage.AddBlock(block);
    }

    gifImage.Save(dir + "animated_radar.gif");
}
See Also