The Texture Scroller is provided to make life easier when creating textures. It allows you to shift the contents of any PICT in the Clipboard left to right and up and down. This is helpful for making patterns repeat smoothly.
This program is very simple, and although very little work has been put into it to make it "slick" or exciting, I believe it is free of bugs.
HOW TO USE IT
This program displays one window when you start up, and this window will remain open until you close the application. This window displays the PICT currently in the Clipboard if there is one. You can drag the window around on the screen, but its size depends on the size of the PICT in the Clipboard. (The application will remember the size and placement of the window between executions.)
Many editing features were planned for this little application, but it has since become a low priority and has only a few. Basic operation is as follows: You work in a drawing or painting application, copy the work to the clipboard, and launch or bring to the front the Texture Scroller. The Scroller will display the contents of the Clipboard, and allow you to scroll the image. You then return to your drawing or painting application (or any other application, for that matter) and paste the now-modified Clipboard into your document.
When an image is displayed in the Texture Scroller window, you can use the arrow keys to shift the image vertically or horizonally. The image will not be shifted off the edge; the edges will wrap around to the opposite side. Holding down the option and/or shift keys while pressing the arrow keys increases the number of pixels by which the image is scrolled; the arrows alone scroll the image one pixel, option-arrows move thee image four pixels at a time, shift-arrows shift it eight, and option-shift-arrows shift the image 16 pixels at a time.
There is one item in the Edit menu, called Half-Shift. It will shift the image vertically by half its vertical dimension and horizontally by half its horizontal dimension. The effect is to move the four corners of the image to the center, and vice versa. This command may also be invoked by pressing Command-H.
When the Texture Scroller is not the front application, its window will still be visible (unless the application is hidden), but any previous image it contained will not be visible.
