… | |
… | |
657 | } |
657 | } |
658 | # endif /* HAVE_AFTERIMAGE */ |
658 | # endif /* HAVE_AFTERIMAGE */ |
659 | |
659 | |
660 | # ifdef HAVE_PIXBUF |
660 | # ifdef HAVE_PIXBUF |
661 | bool |
661 | bool |
|
|
662 | bgPixmap_t::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, |
|
|
663 | int src_x, int src_y, int dst_x, int dst_y, |
|
|
664 | unsigned int width, unsigned int height) |
|
|
665 | { |
|
|
666 | XImage *ximage; |
|
|
667 | char *data, *line; |
|
|
668 | int bytes_per_pixel; |
|
|
669 | int width_r, width_g, width_b; |
|
|
670 | int sh_r, sh_g, sh_b; |
|
|
671 | int rowstride; |
|
|
672 | int channels; |
|
|
673 | unsigned char *row; |
|
|
674 | Visual *visual = target->visual; |
|
|
675 | int depth = target->depth; |
|
|
676 | |
|
|
677 | if (visual->c_class != TrueColor) |
|
|
678 | return false; |
|
|
679 | |
|
|
680 | if (depth == 24 || depth == 32) |
|
|
681 | bytes_per_pixel = 4; |
|
|
682 | else if (depth == 15 || depth == 16) |
|
|
683 | bytes_per_pixel = 2; |
|
|
684 | else |
|
|
685 | return false; |
|
|
686 | |
|
|
687 | width_r = rxvt_popcount (visual->red_mask); |
|
|
688 | width_g = rxvt_popcount (visual->green_mask); |
|
|
689 | width_b = rxvt_popcount (visual->blue_mask); |
|
|
690 | |
|
|
691 | if (width_r > 8 || width_g > 8 || width_b > 8) |
|
|
692 | return false; |
|
|
693 | |
|
|
694 | sh_r = rxvt_ctz (visual->red_mask); |
|
|
695 | sh_g = rxvt_ctz (visual->green_mask); |
|
|
696 | sh_b = rxvt_ctz (visual->blue_mask); |
|
|
697 | |
|
|
698 | if (width > INT_MAX / height / bytes_per_pixel) |
|
|
699 | return false; |
|
|
700 | |
|
|
701 | data = (char *)malloc (width * height * bytes_per_pixel); |
|
|
702 | if (!data) |
|
|
703 | return false; |
|
|
704 | |
|
|
705 | ximage = XCreateImage (target->dpy, visual, depth, ZPixmap, 0, data, |
|
|
706 | width, height, bytes_per_pixel * 8, 0); |
|
|
707 | if (!ximage) |
|
|
708 | { |
|
|
709 | free (data); |
|
|
710 | return false; |
|
|
711 | } |
|
|
712 | |
|
|
713 | ximage->byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst; |
|
|
714 | |
|
|
715 | rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
716 | channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
717 | row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
718 | line = data; |
|
|
719 | |
|
|
720 | for (int y = 0; y < height; y++) |
|
|
721 | { |
|
|
722 | for (int x = 0; x < width; x++) |
|
|
723 | { |
|
|
724 | unsigned char *pixel = row + x * channels; |
|
|
725 | uint32_t value; |
|
|
726 | |
|
|
727 | value = ((pixel[0] >> (8 - width_r)) << sh_r) |
|
|
728 | | ((pixel[1] >> (8 - width_g)) << sh_g) |
|
|
729 | | ((pixel[2] >> (8 - width_b)) << sh_b); |
|
|
730 | |
|
|
731 | if (bytes_per_pixel == 4) |
|
|
732 | ((uint32_t *)line)[x] = value; |
|
|
733 | else |
|
|
734 | ((uint16_t *)line)[x] = value; |
|
|
735 | } |
|
|
736 | |
|
|
737 | row += rowstride; |
|
|
738 | line += ximage->bytes_per_line; |
|
|
739 | } |
|
|
740 | |
|
|
741 | XPutImage (target->dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
|
742 | XDestroyImage (ximage); |
|
|
743 | return true; |
|
|
744 | } |
|
|
745 | |
|
|
746 | bool |
662 | bgPixmap_t::render_image (unsigned long background_flags) |
747 | bgPixmap_t::render_image (unsigned long background_flags) |
663 | { |
748 | { |
664 | if (target == NULL) |
749 | if (target == NULL) |
665 | return false; |
750 | return false; |
666 | |
751 | |
… | |
… | |
747 | gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv); |
832 | gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv); |
748 | |
833 | |
749 | if (h_scale == 0 || v_scale == 0) |
834 | if (h_scale == 0 || v_scale == 0) |
750 | { |
835 | { |
751 | Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth); |
836 | Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth); |
752 | gdk_pixbuf_xlib_render_to_drawable (result, tile, gc, |
837 | pixbuf_to_pixmap (result, tile, gc, |
753 | 0, 0, |
838 | 0, 0, |
754 | 0, 0, |
839 | 0, 0, |
755 | image_width, image_height, |
840 | image_width, image_height); |
756 | XLIB_RGB_DITHER_NONE, |
|
|
757 | 0, 0); |
|
|
758 | |
841 | |
759 | gcv.tile = tile; |
842 | gcv.tile = tile; |
760 | gcv.fill_style = FillTiled; |
843 | gcv.fill_style = FillTiled; |
761 | gcv.ts_x_origin = x; |
844 | gcv.ts_x_origin = x; |
762 | gcv.ts_y_origin = y; |
845 | gcv.ts_y_origin = y; |
… | |
… | |
777 | || dst_x + dst_width < new_pmap_width |
860 | || dst_x + dst_width < new_pmap_width |
778 | || dst_y + dst_height < new_pmap_height) |
861 | || dst_y + dst_height < new_pmap_height) |
779 | XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); |
862 | XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); |
780 | |
863 | |
781 | if (dst_x < new_pmap_width && dst_y < new_pmap_height) |
864 | if (dst_x < new_pmap_width && dst_y < new_pmap_height) |
782 | gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc, |
865 | pixbuf_to_pixmap (result, pixmap, gc, |
783 | src_x, src_y, |
866 | src_x, src_y, |
784 | dst_x, dst_y, |
867 | dst_x, dst_y, |
785 | dst_width, dst_height, |
868 | dst_width, dst_height); |
786 | XLIB_RGB_DITHER_NONE, |
|
|
787 | 0, 0); |
|
|
788 | } |
869 | } |
789 | |
870 | |
790 | #if XRENDER |
871 | #if XRENDER |
791 | if (background_flags) |
872 | if (background_flags) |
792 | { |
873 | { |