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 1.56 by sf-exg, Thu Sep 2 23:40:56 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;
705 713
706 return ret; 714 return ret;
707} 715}
708# endif /* HAVE_AFTERIMAGE */ 716# endif /* HAVE_AFTERIMAGE */
709 717
718# ifdef HAVE_PIXBUF
719bool
720bgPixmap_t::render_image (unsigned long background_flags)
721{
722 if (target == NULL)
723 return false;
724
725 if (!pixbuf)
726 return false;
727
728 // TODO: add alpha blending
729 if (background_flags)
730 return false;
731
732 GdkPixbuf *result;
733
734 int image_width = gdk_pixbuf_get_width (pixbuf);
735 int image_height = gdk_pixbuf_get_height (pixbuf);
736
737 int target_width = target->szHint.width;
738 int target_height = target->szHint.height;
739 int new_pmap_width = target_width;
740 int new_pmap_height = target_height;
741
742 int x = 0;
743 int y = 0;
744 int w = h_scale * target_width / 100;
745 int h = v_scale * target_height / 100;
746
747 if (h_align == rootAlign || v_align == rootAlign)
748 {
749 target->get_window_origin (x, y);
750 x = -x;
751 y = -y;
752 }
753
754 if (h_align != rootAlign)
755 x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
756
757 if (v_align != rootAlign)
758 y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
759
760 if (x >= target_width
761 || y >= target_height
762 || (w > 0 && x + w <= 0)
763 || (h > 0 && y + h <= 0))
764 return false;
765
766 result = pixbuf;
767
768 if ((w > 0 && w != image_width)
769 || (h > 0 && h != image_height))
770 {
771 result = gdk_pixbuf_scale_simple (pixbuf,
772 w > 0 ? w : image_width,
773 h > 0 ? h : image_height,
774 GDK_INTERP_BILINEAR);
775 }
776
777 bool ret = false;
778
779 if (result)
780 {
781 XGCValues gcv;
782 GC gc;
783
784 image_width = gdk_pixbuf_get_width (result);
785 image_height = gdk_pixbuf_get_height (result);
786
787 if (h_scale == 0)
788 new_pmap_width = min (image_width, target_width);
789 if (v_scale == 0)
790 new_pmap_height = min (image_height, target_height);
791
792 if (pixmap)
793 {
794 if (pmap_width != new_pmap_width
795 || pmap_height != new_pmap_height
796 || pmap_depth != target->depth)
797 {
798 XFreePixmap (target->dpy, pixmap);
799 pixmap = None;
800 }
801 }
802
803 if (pixmap == None)
804 {
805 pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
806 pmap_width = new_pmap_width;
807 pmap_height = new_pmap_height;
808 pmap_depth = target->depth;
809 }
810
811 gcv.foreground = target->pix_colors[Color_bg];
812 gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
813
814 if (h_scale == 0 || v_scale == 0)
815 {
816 Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
817 gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,
818 0, 0,
819 0, 0,
820 image_width, image_height,
821 XLIB_RGB_DITHER_NONE,
822 0, 0);
823
824 gcv.tile = tile;
825 gcv.fill_style = FillTiled;
826 gcv.ts_x_origin = x;
827 gcv.ts_y_origin = y;
828 XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
829
830 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
831 XFreePixmap (target->dpy, tile);
832 }
833 else
834 {
835 int src_x, src_y, dst_x, dst_y;
836 int dst_width, dst_height;
837
838 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
839 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
840
841 if (dst_x > 0 || dst_y > 0
842 || dst_x + dst_width < new_pmap_width
843 || dst_y + dst_height < new_pmap_height)
844 XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
845
846 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
847 gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,
848 src_x, src_y,
849 dst_x, dst_y,
850 dst_width, dst_height,
851 XLIB_RGB_DITHER_NONE,
852 0, 0);
853 }
854
855 if (result != pixbuf)
856 g_object_unref (result);
857
858 XFreeGC (target->dpy, gc);
859
860 ret = true;
861 }
862
863 return ret;
864}
865# endif /* HAVE_PIXBUF */
866
710bool 867bool
711bgPixmap_t::set_file (const char *file) 868bgPixmap_t::set_file (const char *file)
712{ 869{
713 assert (file); 870 assert (file);
714 871
726# ifdef HAVE_AFTERIMAGE 883# ifdef HAVE_AFTERIMAGE
727 if (!target->asimman) 884 if (!target->asimman)
728 target->asimman = create_generic_imageman (target->rs[Rs_path]); 885 target->asimman = create_generic_imageman (target->rs[Rs_path]);
729 original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100); 886 original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
730 if (original_asim) 887 if (original_asim)
888 have_image = true;
889 return have_image;
890# endif
891
892# ifdef HAVE_PIXBUF
893 pixbuf = gdk_pixbuf_new_from_file (file, NULL);
894 if (pixbuf)
731 have_image = true; 895 have_image = true;
732 return have_image; 896 return have_image;
733# endif 897# endif
734 } 898 }
735 899
1189 XImage *result = NULL; 1353 XImage *result = NULL;
1190 1354
1191 if (background_flags && (flags & isInvalid)) 1355 if (background_flags && (flags & isInvalid))
1192 { 1356 {
1193 result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap); 1357 result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1358 }
1194 1359
1360 if (result)
1361 {
1195# if !defined(HAVE_AFTERIMAGE) && !XFT 1362# if !defined(HAVE_AFTERIMAGE) && !XFT
1196 /* our own client-side tinting */ 1363 /* our own client-side tinting */
1197 /* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side. 1364 /* 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 !!! */ 1365 This may need to be changed in need_client_side_rendering() logic is altered !!! */
1199 if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded)) 1366 if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1200 { 1367 {
1201 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 1368 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1202 if (flags & tintSet) 1369 if (flags & tintSet)
1203 tint.get (c); 1370 tint.get (c);
1204 ShadeXImage (target, result, shade, c.r, c.g, c.b); 1371 ShadeXImage (target, result, shade, c.r, c.g, c.b);
1205 } 1372 }
1206# endif 1373# endif
1207 }
1208 1374
1209 if (result)
1210 {
1211 GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL); 1375 GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1212 1376
1213 if (gc) 1377 if (gc)
1214 { 1378 {
1215 if (/*pmap_depth != target->depth &&*/ pixmap != None) 1379 if (/*pmap_depth != target->depth &&*/ pixmap != None)

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines