Help pages about ImageGrab
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Last update at
Wednesday, September 15, 2010
When a video has been loaded in ImageGrab, one may inlay text, displayed through the playing video, and saved with the snapshots. To start inlaying, click on the button or type F12. The text depends on options and settings described in the next paragraph. If nothing is available, you will get N/A
To stop inlaying, click again on the same button (which has changed its picture) or type again F12.
The position of the text in the video may be changed with two sliders that are showed when you click on the right bottom corner of the video (a little zone with hashing) or if you type ALT+Y. A command Display/Hide the sliders is also available in the contextual menu with a right click on ImageGrab.
.The options for the text
Show the panel of inlay options by clicking on the button or typing ALT+I.
The upper buttons have clear functions to modify the font name, the size, to set Bold, Italic or Underlined for the font style. The color of the text may also be set. You may remark that the value auto may be given to the font size, in order to set a font size depending on the image size and adapted to simple subtitles.
The button gives a black border to the text with a size in pixels. It is useful to enhance the contrast between the text and the background, for example when the font color is white and the video is light.
The next three buttons set the alignment of the two lines of text either at the left, or at the right, or in the center. The subtitle button puts the two lines of text in the middle of the video, at the height given by the vertical slider, but independently of the horizontal slider.
The button offers another way to show or hide the inlay sliders.
When the text to inlay is datecode, generally with a DV file, then the button becomes active and lets you show (or hide) a panel for fixing the datecode, for instance to add a time difference.
The next 6 buttons are for selecting the type of text to be inlayed: either the timestamp that is to say the position of the frame in the video file, or the rank number of the next frame to be grabbed, or the timecode or datecode, two data contained in each video frame of DV files, either a personalized text - see the next paragraph to learn how to set it- or nothing.
. How to personalize the text
If you have chosen to inlay a personalized text, you must indicate what kind of text should be displayed on each line. It can be any text, and moreover can include some variables depending on the current frame. These variables are:
For the two variables that display dates and times, %R and %D, you must precise how the dates and times will be displayed in the two lines of text (and the same settings will also be used if you inlay datecode). You may use the following codes:
You may also use ddddd or dddddd to get a complete date and tt to get a complete time.
Each line may have a different date time format, for example dddddd on the first line and tt on the second.
Help pages for ImageGrab: