save icon to local system

[HomerWu]

Dear support,
I know we can call method 'GetIcon' to get a IUIX_Icon object,but i wonder if there a way to save the IUIX_Icon object to local system,could you please give me some advice？It would be nice if you could give me some sample code，thanks！

[HomerWu]

Dear Support,

I have tried the code below,but failed,the application throws a exception(Attempt to read or write to protected memory) when "System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, (rc.right - rc.left) * 4);",any one can help me?

private void iconToBitmapToolStripMenuItem_Click(object sender, EventArgs e)
{
IUIX_Cmd cmd = uiInst.CmdManager.Cmds.Find("cmd.save");
IUIX_ImageData iData = null;
tagRECT rc;
cmd.Icon.GetItem(0, out iData, out rc);
Bitmap image = new Bitmap(rc.right - rc.left, rc.bottom - rc.top);
Rectangle rect = new Rectangle(0, 0, image.Width, image.Height);
System.Drawing.Imaging.BitmapData bmpData = image.LockBits(rect, ImageLockMode.ReadWrite, image.PixelFormat);
IntPtr outPtr = bmpData.Scan0;
byte[] rgbValues = new byte[bmpData.Stride];
uint nScan0 = (uint)(iData.Scan0 + iData.Stride * rc.top + rc.left * 4);
IntPtr ptr = new IntPtr(nScan0);
for (uint y = 0; y < (rc.bottom - rc.top); y++)
{
System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, (rc.right - rc.left) * 4);
ptr = IntPtr.Add(ptr, iData.Stride);
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, outPtr, (rc.right - rc.left) * 4);
outPtr = IntPtr.Add(outPtr, bmpData.Stride);
}
image.UnlockBits(bmpData);
image.Save("D:\\TestFile.bmp");
}

[Vasyl-Tracker Dev Team]

Hi HomerWu.

Hope this will be helpful for you:

Code: Select all

IUIX_Cmd cmd = uiInst.CmdManager.Cmds.Find("cmd.save");
IUIX_IconItem iconItem = cmd.Icon.Item[0];
tagSIZE iconSize = iconItem.Size; // just initial size of vectorial source of icon
iconSize.cx = iconSize.cy = 128; // all our icons are vectorial so can be rasterized for any size

// rasterize to RGBA-bitmap in memory
IUIX_ImageData imageData = uiInst.CreateNewImage(iconSize.cx, iconSize.cy);
tagRECT rc;
rc.left = rc.top = 0;
rc.right = iconSize.cx; rc.bottom = iconSize.cy;
iconItem.DrawToImage(imageData, rc, rc);

// simple save to BMP
imageData.SaveToBmpFile("D:\\TestFile.bmp");

// extended method, to save in PNG or to many other formats, via our SDK
IIXC_Page imgPage = imageData.CreateIXCPage(rc);
imgPage.FmtInt[(uint)IXC_FormatParametersIDS.FP_ID_FORMAT] = (uint)IXC_ImageFileFormatIDs.FMT_PNG_ID;
IIXC_Image img = icInst.CreateEmptyImage();
img.InsertPage(imgPage);
img.Save("D:\\TestFile.png", IXC_CreationDisposition.CreationDisposition_Overwrite);

// Save via standard System.Drawing.Bitmap
Bitmap image = new Bitmap(rc.right - rc.left, rc.bottom - rc.top, imageData.Stride, PixelFormat.Format32bppArgb, (IntPtr)imageData.Scan0);
image.Save("D:\\TestFile2.png", ImageFormat.Png);
image.Save("D:\\TestFile2.png", ImageFormat.Bmp);

Cheers.