imagecache_watermarks_patch v0.12

Features:
1. Watermarks.
2. Text watermarks.
3. You can define same canvas.
4. You can make same copy of source image to canvas (different size each copy of source image).
5. You can make same copy of image from file to canvas (different size each copy of image from file).
6. You can use php code to change same parameters.
7. Replace source image by file (To resize watermark file for example).

Usage:
To overlay watermark:
1.	Define canvas
2.	Scale source image
3.	Overlay: source image to canvas
4.	Overlay: file image to canvas (watermark)
5.	Return canvas

To overlay text watermark:
1.	Define canvas
2.	Scale source image
3.	Overlay: source image to canvas
4.	Overlay: text to canvas
5.	Return canvas

To resize watermark and overlay watermark:
1.	Define canvas
2.	Scale source image
3.	Overlay: source image to canvas
4.	Replace source image by file (watermark)
5.	Scale source image
6.	Overlay: file image to canvas (watermark)
7.	Return canvas





