writeImage: Write a TIFF RGB Image from Screen or ROI Data:
-out outName [stdout] TIFF Image Output File.
-verb Verbose Mode ON.
Compose Three ROIs into an RGB Image:
-roiR rID ROI for Red Channel.
-roiG gID ROI for Green Channel.
-roiB bID ROI for Blue Channel.
Convert an ROI Pixmap to a Color Image;
-roi roiID ROI for Pixmap.
-xSize width Output image width, pixels.
-ySize height Output image height, pixels.
Save a Screen Region as an Image:
-x gx1 gx3 X Coords of Screen Region.
-y gy1 gy3 Y Coords of Screen Region.
-cell cellID Cell ID of Screen Region.
-screen scrNum Screen Number.
-root Save region from Root Window.
Image Formats:
-tiff TIFF Format.
-gif GIF Format.
-jpeg JPEG Format (Not supported yet).
-ps PostScript Format (Not supported yet).
Notes:
1. An RGB Image will be created if -roiR -roiG or -roiB
arguments are found.
2. Pixmap to Image conversion will performed if an -roi
argument is found.
3. If none of the ROI arguments above are given, a
screen region will be captured and saved.
4. For converting ROI Pixmap to a Color Image,
use the same arguments as: drawROI -pix ...