| … | |
… | |
| 749 | |
749 | |
| 750 | Use the specified image file for the background and also |
750 | Use the specified image file for the background and also |
| 751 | optionally specify a colon separated list of operations to modify it. |
751 | optionally specify a colon separated list of operations to modify it. |
| 752 | Supported operations are: |
752 | Supported operations are: |
| 753 | |
753 | |
| 754 | B<WxH+X+Y> sets scale and position. B<"W" / "H"> specify the |
754 | =over 4 |
| 755 | horizontal/vertical scale (percent), and B<"X" / "Y"> |
755 | |
| 756 | locate the image centre (percent). A scale of 0 disables |
756 | =item B<WxH+X+Y> |
| 757 | scaling. The maximum permitted scale is 1000. |
757 | |
| 758 | op=tile enables tiling |
758 | sets scale and position. B<"W" / "H"> specify the horizontal/vertical |
|
|
759 | scale (percent), and B<"X" / "Y"> locate the image centre (percent). A |
|
|
760 | scale of 0 disables scaling. The maximum permitted scale is 1000. |
|
|
761 | |
|
|
762 | =item B<op=tile> |
|
|
763 | |
|
|
764 | enables tiling |
|
|
765 | |
|
|
766 | =item B<op=pscale> |
|
|
767 | |
| 759 | op=pscale enables proportional scaling |
768 | enables proportional scaling |
|
|
769 | |
|
|
770 | =item B<op=root> |
|
|
771 | |
| 760 | op=root use the position of the terminal window relative to the root |
772 | use the position of the terminal window relative to the root window as |
| 761 | window as the image offset, simulating a root window background |
773 | the image offset, simulating a root window background |
|
|
774 | |
|
|
775 | =back |
| 762 | |
776 | |
| 763 | The default scale and position setting is C<100x100+50+50>. |
777 | The default scale and position setting is C<100x100+50+50>. |
| 764 | Alternatively, a predefined set of templates can be used to achieve |
778 | Alternatively, a predefined set of templates can be used to achieve |
| 765 | the most common setups: |
779 | the most common setups: |
| 766 | |
780 | |
| 767 | style=tiled the image is tiled with no scaling |
781 | =over 4 |
| 768 | style=aspect-stretched the image is scaled to fill the whole window maintaining |
782 | |
| 769 | the aspect ratio and centered |
783 | =item B<style=tiled> |
| 770 | style=stretched the image is scaled to fill the whole window |
784 | |
| 771 | style=centered the image is centered with no scaling |
785 | the image is tiled with no scaling. Equivalent to 0x0+0+0:op=tile |
| 772 | style=root-tiled the image is tiled with no scaling and using 'op=root' positioning |
786 | |
|
|
787 | =item B<style=aspect-stretched> |
|
|
788 | |
|
|
789 | the image is scaled to fill the whole window maintaining the aspect |
|
|
790 | ratio and centered. Equivalent to 100x100+50+50:op=pscale |
|
|
791 | |
|
|
792 | =item B<style=stretched> |
|
|
793 | |
|
|
794 | the image is scaled to fill the whole window. Equivalent to 100x100 |
|
|
795 | |
|
|
796 | =item B<style=centered> |
|
|
797 | |
|
|
798 | the image is centered with no scaling. Equivalent to 0x0+50+50 |
|
|
799 | |
|
|
800 | =item B<style=root-tiled> |
|
|
801 | |
|
|
802 | the image is tiled with no scaling and using 'root' positioning. |
|
|
803 | Equivalent to 0x0:op=tile:op=root |
|
|
804 | |
|
|
805 | =back |
| 773 | |
806 | |
| 774 | If multiple templates are specified the last one wins. Note that a |
807 | If multiple templates are specified the last one wins. Note that a |
| 775 | template overrides all the scale, position and operations settings. |
808 | template overrides all the scale, position and operations settings. |
| 776 | Indeed, the templates can be specified in terms of low level settings |
|
|
| 777 | as follows: |
|
|
| 778 | |
|
|
| 779 | style=tiled 0x0+0+0:op=tile |
|
|
| 780 | style=aspect-stretched 100x100+50+50:op=pscale |
|
|
| 781 | style=stretched 100x100 |
|
|
| 782 | style=centered 0x0+50+50 |
|
|
| 783 | style=root-tiled 0x0:op=tile:op=root |
|
|
| 784 | |
809 | |
| 785 | If used in conjunction with B<-tr> option, the specified pixmap will be |
810 | If used in conjunction with B<-tr> option, the specified pixmap will be |
| 786 | blended over the transparent background using alpha-blending. If I<afterimage> |
811 | blended over the transparent background using alpha-blending. If I<afterimage> |
| 787 | support has been compiled in it is possible to choose other blending |
812 | support has been compiled in it is possible to choose other blending |
| 788 | types with B<-blt "type"> option. |
813 | types with B<-blt "type"> option. |
