ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/background.C
(Generate patch)

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.52 by sf-exg, Wed Sep 1 11:59:44 2010 UTC vs.
Revision 1.57 by sf-exg, Fri Sep 3 22:43:22 2010 UTC

52 * adjustment and may optionally be followed by a colon and one or more 52 * adjustment and may optionally be followed by a colon and one or more
53 * colon-delimited pixmap operations. 53 * colon-delimited pixmap operations.
54 * The following table shows the valid geometry strings and their 54 * The following table shows the valid geometry strings and their
55 * effects on the background image : 55 * effects on the background image :
56 * 56 *
57 * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%. 57 * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58 * W and H are percentages of the terminal window size. 58 * W and H are percentages of the terminal window size.
59 * X and Y are also percentages; e.g., +50+50 centers 59 * X and Y are also percentages; e.g., +50+50 centers
60 * the image in the window. 60 * the image in the window.
61 * WxH+X Assumes Y == X 61 * WxH+X Assumes Y == X
62 * WxH Assumes Y == X == 50 (centers the image) 62 * WxH Assumes Y == X == 50 (centers the image)
63 * W+X+Y Assumes H == W 63 * W+X+Y Assumes H == W
64 * W+X Assumes H == W and Y == X 64 * W+X Assumes H == W and Y == X
65 * W Assumes H == W and Y == X == 50 65 * W Assumes H == W and Y == X == 50
66 * 66 *
67 * Adjusting position only : 67 * Adjusting position only :
68 * =+X+Y Set position to X% by Y% (absolute). 68 * =+X+Y Set position to X% by Y% (absolute).
69 * =+X Set position to X% by X%. 69 * =+X Set position to X% by X%.
70 * +X+Y Adjust position horizontally X% and vertically Y% 70 * +X+Y Adjust position horizontally X% and vertically Y%
71 * from current position (relative). 71 * from current position (relative).
72 * +X Adjust position horizontally X% and vertically X% 72 * +X Adjust position horizontally X% and vertically X%
73 * from current position. 73 * from current position.
74 * 74 *
75 * Adjusting scale only : 75 * Adjusting scale only :
76 * Wx0 Multiply horizontal scaling factor by W% 76 * Wx0 Multiply horizontal scaling factor by W%
77 * 0xH Multiply vertical scaling factor by H% 77 * 0xH Multiply vertical scaling factor by H%
78 * 0x0 No scaling (show image at normal size). 78 * 0x0 No scaling (show image at normal size).
79 * 79 *
80 * Pixmap Operations : (should be prepended by a colon) 80 * Pixmap Operations : (should be prepended by a colon)
81 * tile Tile image. Scaling/position modifiers above will affect 81 * tile Tile image. Scaling/position modifiers above will affect
82 * the tile size and origin. 82 * the tile size and origin.
83 * propscale When scaling, scale proportionally. That is, maintain the 83 * propscale When scaling, scale proportionally. That is, maintain the
84 * proper aspect ratio for the image. Any portion of the 84 * proper aspect ratio for the image. Any portion of the
85 * background not covered by the image is filled with the 85 * background not covered by the image is filled with the
86 * current background color. 86 * current background color.
87 * hscale Scale horizontally, tile vertically ? 87 * hscale Scale horizontally, tile vertically ?
88 * vscale Tile horizontally, scale vertically ? 88 * vscale Tile horizontally, scale vertically ?
95{ 95{
96 // this is basically redundant as bgPixmap_t is only used in 96 // this is basically redundant as bgPixmap_t is only used in
97 // zero_initialised-derived structs 97 // zero_initialised-derived structs
98#ifdef HAVE_AFTERIMAGE 98#ifdef HAVE_AFTERIMAGE
99 original_asim = NULL; 99 original_asim = NULL;
100#endif
101#ifdef HAVE_PIXBUF
102 pixbuf = NULL;
100#endif 103#endif
101#ifdef BG_IMAGE_FROM_FILE 104#ifdef BG_IMAGE_FROM_FILE
102 have_image = false; 105 have_image = false;
103 h_scale = v_scale = 0; 106 h_scale = v_scale = 0;
104 h_align = v_align = 0; 107 h_align = v_align = 0;
115#ifdef HAVE_AFTERIMAGE 118#ifdef HAVE_AFTERIMAGE
116 if (original_asim) 119 if (original_asim)
117 safe_asimage_destroy (original_asim); 120 safe_asimage_destroy (original_asim);
118#endif 121#endif
119 122
123#ifdef HAVE_PIXBUF
124 if (pixbuf)
125 g_object_unref (pixbuf);
126#endif
127
120 if (pixmap && target) 128 if (pixmap && target)
121 XFreePixmap (target->dpy, pixmap); 129 XFreePixmap (target->dpy, pixmap);
122} 130}
123 131
124bool 132bool
220 228
221static inline int 229static inline int
222make_align_position (int align, int window_size, int image_size) 230make_align_position (int align, int window_size, int image_size)
223{ 231{
224 int diff = window_size - image_size; 232 int diff = window_size - image_size;
225 int smaller = MIN (image_size,window_size); 233 int smaller = min (image_size, window_size);
226 234
227 if (align >= 0 && align <= 50) 235 if (align >= 0 && align <= 50)
228 return diff * align / 100; 236 return diff * align / 100;
229 else if (align > 50 && align <= 100) 237 else if (align > 50 && align <= 100)
230 return window_size - image_size - diff * (100 - align) / 100; 238 return window_size - image_size - diff * (100 - align) / 100;
557 100, ASIMAGE_QUALITY_DEFAULT); 565 100, ASIMAGE_QUALITY_DEFAULT);
558 } 566 }
559 567
560 if (background == NULL) 568 if (background == NULL)
561 { 569 {
562 /* if tiling - pixmap has to be sized exactly as the image,
563 but there is no need to make it bigger than the window! */
564 if (h_scale == 0)
565 new_pmap_width = min (result->width, target_width);
566 if (v_scale == 0)
567 new_pmap_height = min (result->height, target_height);
568 /* we also need to tile our image in one or both directions */
569 if (h_scale == 0 || v_scale == 0) 570 if (h_scale == 0 || v_scale == 0)
570 { 571 {
572 /* if tiling - pixmap has to be sized exactly as the image,
573 but there is no need to make it bigger than the window! */
574 new_pmap_width = min (result->width, target_width);
575 new_pmap_height = min (result->height, target_height);
576
577 /* we also need to tile our image in both directions */
571 ASImage *tmp = tile_asimage (target->asv, result, 578 ASImage *tmp = tile_asimage (target->asv, result,
572 (h_scale > 0) ? 0 : (int)result->width - x, 579 (int)result->width - x,
573 (v_scale > 0) ? 0 : (int)result->height - y, 580 (int)result->height - y,
574 new_pmap_width, 581 new_pmap_width,
575 new_pmap_height, 582 new_pmap_height,
576 TINT_LEAVE_SAME, ASA_XImage, 583 TINT_LEAVE_SAME, ASA_XImage,
577 100, ASIMAGE_QUALITY_DEFAULT); 584 100, ASIMAGE_QUALITY_DEFAULT);
578 if (tmp) 585 if (tmp)
676 683
677 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0; 684 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
678 int dst_width = result->width, dst_height = result->height; 685 int dst_width = result->width, dst_height = result->height;
679 if (background == NULL) 686 if (background == NULL)
680 { 687 {
688 if (!(h_scale == 0 || v_scale == 0))
689 {
681 if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width ); 690 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
682 if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height); 691 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
692 }
683 693
684 if (dst_x > 0 || dst_y > 0 694 if (dst_x > 0 || dst_y > 0
685 || dst_x + dst_width < new_pmap_width 695 || dst_x + dst_width < new_pmap_width
686 || dst_y + dst_height < new_pmap_height) 696 || dst_y + dst_height < new_pmap_height)
687 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 697 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
704 destroy_asimage (&background); 714 destroy_asimage (&background);
705 715
706 return ret; 716 return ret;
707} 717}
708# endif /* HAVE_AFTERIMAGE */ 718# endif /* HAVE_AFTERIMAGE */
719
720# ifdef HAVE_PIXBUF
721bool
722bgPixmap_t::render_image (unsigned long background_flags)
723{
724 if (target == NULL)
725 return false;
726
727 if (!pixbuf)
728 return false;
729
730 // TODO: add alpha blending
731 if (background_flags)
732 return false;
733
734 GdkPixbuf *result;
735
736 int image_width = gdk_pixbuf_get_width (pixbuf);
737 int image_height = gdk_pixbuf_get_height (pixbuf);
738
739 int target_width = target->szHint.width;
740 int target_height = target->szHint.height;
741 int new_pmap_width = target_width;
742 int new_pmap_height = target_height;
743
744 int x = 0;
745 int y = 0;
746 int w = h_scale * target_width / 100;
747 int h = v_scale * target_height / 100;
748
749 if (h_align == rootAlign || v_align == rootAlign)
750 {
751 target->get_window_origin (x, y);
752 x = -x;
753 y = -y;
754 }
755
756 if (h_align != rootAlign)
757 x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
758
759 if (v_align != rootAlign)
760 y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
761
762 if (x >= target_width
763 || y >= target_height
764 || (w > 0 && x + w <= 0)
765 || (h > 0 && y + h <= 0))
766 return false;
767
768 result = pixbuf;
769
770 if ((w > 0 && w != image_width)
771 || (h > 0 && h != image_height))
772 {
773 result = gdk_pixbuf_scale_simple (pixbuf,
774 w > 0 ? w : image_width,
775 h > 0 ? h : image_height,
776 GDK_INTERP_BILINEAR);
777 }
778
779 bool ret = false;
780
781 if (result)
782 {
783 XGCValues gcv;
784 GC gc;
785
786 image_width = gdk_pixbuf_get_width (result);
787 image_height = gdk_pixbuf_get_height (result);
788
789 if (h_scale == 0)
790 new_pmap_width = min (image_width, target_width);
791 if (v_scale == 0)
792 new_pmap_height = min (image_height, target_height);
793
794 if (pixmap)
795 {
796 if (pmap_width != new_pmap_width
797 || pmap_height != new_pmap_height
798 || pmap_depth != target->depth)
799 {
800 XFreePixmap (target->dpy, pixmap);
801 pixmap = None;
802 }
803 }
804
805 if (pixmap == None)
806 {
807 pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
808 pmap_width = new_pmap_width;
809 pmap_height = new_pmap_height;
810 pmap_depth = target->depth;
811 }
812
813 gcv.foreground = target->pix_colors[Color_bg];
814 gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
815
816 if (h_scale == 0 || v_scale == 0)
817 {
818 Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
819 gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,
820 0, 0,
821 0, 0,
822 image_width, image_height,
823 XLIB_RGB_DITHER_NONE,
824 0, 0);
825
826 gcv.tile = tile;
827 gcv.fill_style = FillTiled;
828 gcv.ts_x_origin = x;
829 gcv.ts_y_origin = y;
830 XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
831
832 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
833 XFreePixmap (target->dpy, tile);
834 }
835 else
836 {
837 int src_x, src_y, dst_x, dst_y;
838 int dst_width, dst_height;
839
840 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
841 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
842
843 if (dst_x > 0 || dst_y > 0
844 || dst_x + dst_width < new_pmap_width
845 || dst_y + dst_height < new_pmap_height)
846 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
847
848 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
849 gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,
850 src_x, src_y,
851 dst_x, dst_y,
852 dst_width, dst_height,
853 XLIB_RGB_DITHER_NONE,
854 0, 0);
855 }
856
857 if (result != pixbuf)
858 g_object_unref (result);
859
860 XFreeGC (target->dpy, gc);
861
862 ret = true;
863 }
864
865 return ret;
866}
867# endif /* HAVE_PIXBUF */
709 868
710bool 869bool
711bgPixmap_t::set_file (const char *file) 870bgPixmap_t::set_file (const char *file)
712{ 871{
713 assert (file); 872 assert (file);
726# ifdef HAVE_AFTERIMAGE 885# ifdef HAVE_AFTERIMAGE
727 if (!target->asimman) 886 if (!target->asimman)
728 target->asimman = create_generic_imageman (target->rs[Rs_path]); 887 target->asimman = create_generic_imageman (target->rs[Rs_path]);
729 original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100); 888 original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
730 if (original_asim) 889 if (original_asim)
890 have_image = true;
891 return have_image;
892# endif
893
894# ifdef HAVE_PIXBUF
895 pixbuf = gdk_pixbuf_new_from_file (file, NULL);
896 if (pixbuf)
731 have_image = true; 897 have_image = true;
732 return have_image; 898 return have_image;
733# endif 899# endif
734 } 900 }
735 901
1189 XImage *result = NULL; 1355 XImage *result = NULL;
1190 1356
1191 if (background_flags && (flags & isInvalid)) 1357 if (background_flags && (flags & isInvalid))
1192 { 1358 {
1193 result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap); 1359 result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1360 }
1194 1361
1362 if (result)
1363 {
1195# if !defined(HAVE_AFTERIMAGE) && !XFT 1364# if !defined(HAVE_AFTERIMAGE) && !XFT
1196 /* our own client-side tinting */ 1365 /* our own client-side tinting */
1197 /* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side. 1366 /* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1198 This may need to be changed in need_client_side_rendering() logic is altered !!! */ 1367 This may need to be changed in need_client_side_rendering() logic is altered !!! */
1199 if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded)) 1368 if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1200 { 1369 {
1201 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 1370 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1202 if (flags & tintSet) 1371 if (flags & tintSet)
1203 tint.get (c); 1372 tint.get (c);
1204 ShadeXImage (target, result, shade, c.r, c.g, c.b); 1373 ShadeXImage (target, result, shade, c.r, c.g, c.b);
1205 } 1374 }
1206# endif 1375# endif
1207 }
1208 1376
1209 if (result)
1210 {
1211 GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL); 1377 GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1212 1378
1213 if (gc) 1379 if (gc)
1214 { 1380 {
1215 if (/*pmap_depth != target->depth &&*/ pixmap != None) 1381 if (/*pmap_depth != target->depth &&*/ pixmap != None)

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines