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/*----------------------------------------------------------------------* |
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* File: background.C - former xpm.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de> |
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* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> |
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* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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|
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#include <cmath> |
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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|
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#if XRENDER |
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# include <X11/extensions/Xrender.h> |
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#endif |
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|
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#ifndef FilterConvolution |
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#define FilterConvolution "convolution" |
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#endif |
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|
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#ifdef HAVE_BG_PIXMAP |
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# if XRENDER |
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static Picture |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
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{ |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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|
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
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XRenderPictureAttributes pa; |
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pa.repeat = True; |
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pa.component_alpha = component_alpha; |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
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|
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XFreePixmap (dpy, pixmap); |
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|
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return mask; |
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} |
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# endif |
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|
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void |
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rxvt_term::bg_destroy () |
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{ |
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#ifdef HAVE_AFTERIMAGE |
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if (original_asim) |
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safe_asimage_destroy (original_asim); |
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if (asv) |
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destroy_asvisual (asv, 0); |
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if (asimman) |
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destroy_image_manager (asimman, 0); |
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#endif |
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|
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#ifdef HAVE_PIXBUF |
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if (pixbuf) |
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g_object_unref (pixbuf); |
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#endif |
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|
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if (bg_pixmap) |
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XFreePixmap (dpy, bg_pixmap); |
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} |
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|
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bool |
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rxvt_term::bg_set_position (int x, int y) |
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{ |
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|
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if (target_x != x |
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|| target_y != y) |
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{ |
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target_x = x; |
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target_y = y; |
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return true; |
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} |
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return false; |
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} |
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|
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bool |
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rxvt_term::bg_window_size_sensitive () |
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{ |
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# ifdef ENABLE_TRANSPARENCY |
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if (bg_flags & BG_IS_TRANSPARENT) |
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return true; |
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# endif |
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|
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# ifdef BG_IMAGE_FROM_FILE |
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if (bg_flags & BG_IS_FROM_FILE) |
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{ |
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if (bg_flags & BG_IS_SIZE_SENSITIVE) |
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return true; |
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} |
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# endif |
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|
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return false; |
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} |
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|
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bool |
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rxvt_term::bg_window_position_sensitive () |
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{ |
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# ifdef ENABLE_TRANSPARENCY |
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if (bg_flags & BG_IS_TRANSPARENT) |
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return true; |
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# endif |
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|
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# ifdef BG_IMAGE_FROM_FILE |
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if (bg_flags & BG_IS_FROM_FILE) |
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{ |
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if (bg_flags & BG_ROOT_ALIGN) |
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return true; |
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} |
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# endif |
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|
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return false; |
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} |
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|
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# ifdef BG_IMAGE_FROM_FILE |
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static inline bool |
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check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value) |
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{ |
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if (geom_flags & flag) |
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{ |
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if (new_value > 1000) |
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new_value = 1000; |
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if (new_value != scale) |
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{ |
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scale = new_value; |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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static inline bool |
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check_set_align_value (int geom_flags, int flag, int &align, int new_value) |
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{ |
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if (geom_flags & flag) |
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{ |
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if (new_value < -100) |
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new_value = -100; |
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else if (new_value > 200) |
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new_value = 200; |
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if (new_value != align) |
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{ |
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align = new_value; |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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static inline int |
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make_align_position (int align, int window_size, int image_size) |
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{ |
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int diff = window_size - image_size; |
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int smaller = min (image_size, window_size); |
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|
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if (align >= 0 && align <= 100) |
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return diff * align / 100; |
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else if (align > 100 && align <= 200) |
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return (align - 100) * smaller / 100 + window_size - smaller; |
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else if (align >= -100 && align < 0) |
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return (align + 100) * smaller / 100 - image_size; |
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return 0; |
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} |
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|
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static inline int |
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make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) |
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{ |
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int src_pos = 0; |
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dst_pos = pos; |
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dst_size = size; |
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if (pos < 0) |
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{ |
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src_pos = -pos; |
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dst_pos = 0; |
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dst_size += pos; |
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} |
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|
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if (dst_pos + dst_size > target_size) |
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dst_size = target_size - dst_pos; |
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return src_pos; |
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} |
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|
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bool |
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rxvt_term::bg_set_geometry (const char *geom, bool update) |
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{ |
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bool changed = false; |
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int geom_flags = 0; |
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int x = 0, y = 0; |
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unsigned int w = 0, h = 0; |
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unsigned long new_flags = 0; |
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|
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if (geom == NULL) |
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return false; |
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|
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if (geom[0]) |
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{ |
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char **arr = rxvt_strsplit (':', geom); |
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|
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for (int i = 0; arr[i]; i++) |
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{ |
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if (!strcasecmp (arr[i], "style=tiled")) |
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{ |
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new_flags = BG_TILE; |
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w = h = noScale; |
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x = y = 0; |
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geom_flags = WidthValue|HeightValue|XValue|YValue; |
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} |
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else if (!strcasecmp (arr[i], "style=aspect-stretched")) |
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{ |
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new_flags = BG_KEEP_ASPECT; |
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w = h = windowScale; |
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x = y = centerAlign; |
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geom_flags = WidthValue|HeightValue|XValue|YValue; |
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} |
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else if (!strcasecmp (arr[i], "style=stretched")) |
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{ |
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new_flags = 0; |
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w = h = windowScale; |
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geom_flags = WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "style=centered")) |
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{ |
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new_flags = 0; |
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w = h = noScale; |
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x = y = centerAlign; |
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geom_flags = WidthValue|HeightValue|XValue|YValue; |
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} |
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else if (!strcasecmp (arr[i], "style=root-tiled")) |
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{ |
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new_flags = BG_TILE|BG_ROOT_ALIGN; |
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w = h = noScale; |
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geom_flags = WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "op=tile")) |
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new_flags |= BG_TILE; |
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else if (!strcasecmp (arr[i], "op=keep-aspect")) |
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new_flags |= BG_KEEP_ASPECT; |
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else if (!strcasecmp (arr[i], "op=root-align")) |
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new_flags |= BG_ROOT_ALIGN; |
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|
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// deprecated |
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else if (!strcasecmp (arr[i], "tile")) |
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{ |
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new_flags |= BG_TILE; |
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w = h = noScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "propscale")) |
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{ |
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new_flags |= BG_KEEP_ASPECT; |
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w = h = windowScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "hscale")) |
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{ |
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new_flags |= BG_TILE; |
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w = windowScale; |
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h = noScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "vscale")) |
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{ |
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new_flags |= BG_TILE; |
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h = windowScale; |
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w = noScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "scale")) |
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{ |
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w = h = windowScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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else if (!strcasecmp (arr[i], "auto")) |
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{ |
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w = h = windowScale; |
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x = y = centerAlign; |
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geom_flags |= WidthValue|HeightValue|XValue|YValue; |
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} |
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else if (!strcasecmp (arr[i], "root")) |
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{ |
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new_flags |= BG_TILE|BG_ROOT_ALIGN; |
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w = h = noScale; |
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geom_flags |= WidthValue|HeightValue; |
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} |
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|
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else |
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geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h); |
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} /* done parsing ops */ |
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|
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rxvt_free_strsplit (arr); |
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} |
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|
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new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS; |
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|
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if (!update) |
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{ |
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if (!(geom_flags & XValue)) |
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x = y = defaultAlign; |
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else if (!(geom_flags & YValue)) |
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y = x; |
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|
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if (!(geom_flags & (WidthValue|HeightValue))) |
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w = h = defaultScale; |
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else if (!(geom_flags & HeightValue)) |
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h = w; |
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else if (!(geom_flags & WidthValue)) |
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w = h; |
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|
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geom_flags |= WidthValue|HeightValue|XValue|YValue; |
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} |
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|
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if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true; |
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if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true; |
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if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true; |
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if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true; |
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|
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if (new_flags != bg_flags) |
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{ |
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bg_flags = new_flags; |
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changed = true; |
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} |
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|
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return changed; |
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} |
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|
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void |
341 |
rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) |
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{ |
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int target_width = szHint.width; |
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int target_height = szHint.height; |
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|
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w = h_scale * target_width / 100; |
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h = v_scale * target_height / 100; |
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|
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if (bg_flags & BG_KEEP_ASPECT) |
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{ |
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float scale = (float)w / image_width; |
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min_it (scale, (float)h / image_height); |
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w = image_width * scale + 0.5; |
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h = image_height * scale + 0.5; |
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} |
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|
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if (!w) w = image_width; |
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if (!h) h = image_height; |
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|
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if (bg_flags & BG_ROOT_ALIGN) |
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{ |
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x = -target_x; |
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y = -target_y; |
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} |
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else |
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{ |
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x = make_align_position (h_align, target_width, w); |
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y = make_align_position (v_align, target_height, h); |
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} |
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|
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bg_flags &= ~BG_IS_SIZE_SENSITIVE; |
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if (!(bg_flags & BG_TILE) |
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|| h_scale || v_scale |
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|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) |
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|| w > target_width || h > target_height) |
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bg_flags |= BG_IS_SIZE_SENSITIVE; |
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} |
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|
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# ifdef HAVE_AFTERIMAGE |
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bool |
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rxvt_term::render_image (unsigned long tr_flags) |
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{ |
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init_asv (); |
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|
385 |
ASImage *background = NULL; |
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ARGB32 background_tint = TINT_LEAVE_SAME; |
387 |
|
388 |
# ifdef ENABLE_TRANSPARENCY |
389 |
if (tr_flags) |
390 |
background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100); |
391 |
|
392 |
if (tr_flags & BG_NEEDS_TINT) |
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{ |
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ShadingInfo as_shade; |
395 |
as_shade.shading = shade; |
396 |
|
397 |
rgba c; |
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tint.get (c); |
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as_shade.tintColor.red = c.r; |
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as_shade.tintColor.green = c.g; |
401 |
as_shade.tintColor.blue = c.b; |
402 |
|
403 |
background_tint = shading2tint32 (&as_shade); |
404 |
} |
405 |
|
406 |
if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) |
407 |
{ |
408 |
ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, |
409 |
ASA_XImage, |
410 |
100, ASIMAGE_QUALITY_DEFAULT); |
411 |
if (tmp) |
412 |
{ |
413 |
destroy_asimage (&background); |
414 |
background = tmp; |
415 |
} |
416 |
} |
417 |
# endif |
418 |
|
419 |
ASImage *result = 0; |
420 |
|
421 |
int target_width = szHint.width; |
422 |
int target_height = szHint.height; |
423 |
int new_pmap_width = target_width; |
424 |
int new_pmap_height = target_height; |
425 |
|
426 |
int x = 0; |
427 |
int y = 0; |
428 |
int w = 0; |
429 |
int h = 0; |
430 |
|
431 |
if (original_asim) |
432 |
get_image_geometry (original_asim->width, original_asim->height, w, h, x, y); |
433 |
|
434 |
if (!original_asim |
435 |
|| (!(bg_flags & BG_ROOT_ALIGN) |
436 |
&& (x >= target_width |
437 |
|| y >= target_height |
438 |
|| x + w <= 0 |
439 |
|| y + h <= 0))) |
440 |
{ |
441 |
if (background) |
442 |
{ |
443 |
new_pmap_width = background->width; |
444 |
new_pmap_height = background->height; |
445 |
result = background; |
446 |
|
447 |
if (background_tint != TINT_LEAVE_SAME) |
448 |
{ |
449 |
ASImage *tmp = tile_asimage (asv, background, 0, 0, |
450 |
target_width, target_height, background_tint, |
451 |
ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT); |
452 |
if (tmp) |
453 |
result = tmp; |
454 |
} |
455 |
} |
456 |
else |
457 |
new_pmap_width = new_pmap_height = 0; |
458 |
} |
459 |
else |
460 |
{ |
461 |
result = original_asim; |
462 |
|
463 |
if (w != original_asim->width |
464 |
|| h != original_asim->height) |
465 |
{ |
466 |
result = scale_asimage (asv, original_asim, |
467 |
w, h, |
468 |
ASA_XImage, |
469 |
100, ASIMAGE_QUALITY_DEFAULT); |
470 |
} |
471 |
|
472 |
if (background == NULL) |
473 |
{ |
474 |
if (bg_flags & BG_TILE) |
475 |
{ |
476 |
/* if tiling - pixmap has to be sized exactly as the image, |
477 |
but there is no need to make it bigger than the window! */ |
478 |
new_pmap_width = min (result->width, target_width); |
479 |
new_pmap_height = min (result->height, target_height); |
480 |
|
481 |
/* we also need to tile our image in both directions */ |
482 |
ASImage *tmp = tile_asimage (asv, result, |
483 |
(int)result->width - x, |
484 |
(int)result->height - y, |
485 |
new_pmap_width, |
486 |
new_pmap_height, |
487 |
TINT_LEAVE_SAME, ASA_XImage, |
488 |
100, ASIMAGE_QUALITY_DEFAULT); |
489 |
if (tmp) |
490 |
{ |
491 |
if (result != original_asim) |
492 |
destroy_asimage (&result); |
493 |
|
494 |
result = tmp; |
495 |
} |
496 |
} |
497 |
} |
498 |
else |
499 |
{ |
500 |
/* if blending background and image - pixmap has to be sized same as target window */ |
501 |
ASImageLayer *layers = create_image_layers (2); |
502 |
|
503 |
layers[0].im = background; |
504 |
layers[0].clip_width = target_width; |
505 |
layers[0].clip_height = target_height; |
506 |
layers[0].tint = background_tint; |
507 |
layers[1].im = result; |
508 |
|
509 |
if (bg_flags & BG_TILE) |
510 |
{ |
511 |
/* tile horizontally */ |
512 |
while (x > 0) x -= (int)result->width; |
513 |
layers[1].dst_x = x; |
514 |
layers[1].clip_width = result->width+target_width; |
515 |
} |
516 |
else |
517 |
{ |
518 |
/* clip horizontally */ |
519 |
layers[1].dst_x = x; |
520 |
layers[1].clip_width = result->width; |
521 |
} |
522 |
|
523 |
if (bg_flags & BG_TILE) |
524 |
{ |
525 |
while (y > 0) y -= (int)result->height; |
526 |
layers[1].dst_y = y; |
527 |
layers[1].clip_height = result->height + target_height; |
528 |
} |
529 |
else |
530 |
{ |
531 |
layers[1].dst_y = y; |
532 |
layers[1].clip_height = result->height; |
533 |
} |
534 |
|
535 |
if (rs[Rs_blendtype]) |
536 |
{ |
537 |
layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]); |
538 |
if (layers[1].merge_scanlines == NULL) |
539 |
layers[1].merge_scanlines = alphablend_scanlines; |
540 |
} |
541 |
|
542 |
ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height, |
543 |
ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT); |
544 |
|
545 |
if (tmp) |
546 |
{ |
547 |
if (result != original_asim) |
548 |
destroy_asimage (&result); |
549 |
|
550 |
result = tmp; |
551 |
} |
552 |
|
553 |
free (layers); |
554 |
} |
555 |
} |
556 |
|
557 |
bool ret = false; |
558 |
|
559 |
if (result) |
560 |
{ |
561 |
XGCValues gcv; |
562 |
GC gc; |
563 |
|
564 |
/* create Pixmap */ |
565 |
if (bg_pixmap == None |
566 |
|| bg_pmap_width != new_pmap_width |
567 |
|| bg_pmap_height != new_pmap_height) |
568 |
{ |
569 |
if (bg_pixmap) |
570 |
XFreePixmap (dpy, bg_pixmap); |
571 |
bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); |
572 |
bg_pmap_width = new_pmap_width; |
573 |
bg_pmap_height = new_pmap_height; |
574 |
} |
575 |
/* fill with background color (if result's not completely overlapping it) */ |
576 |
gcv.foreground = pix_colors[Color_bg]; |
577 |
gc = XCreateGC (dpy, vt, GCForeground, &gcv); |
578 |
|
579 |
int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0; |
580 |
int dst_width = result->width, dst_height = result->height; |
581 |
if (background == NULL) |
582 |
{ |
583 |
if (!(bg_flags & BG_TILE)) |
584 |
{ |
585 |
src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width ); |
586 |
src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height); |
587 |
} |
588 |
|
589 |
if (dst_x > 0 || dst_y > 0 |
590 |
|| dst_x + dst_width < new_pmap_width |
591 |
|| dst_y + dst_height < new_pmap_height) |
592 |
XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); |
593 |
} |
594 |
|
595 |
/* put result on pixmap */ |
596 |
if (dst_x < new_pmap_width && dst_y < new_pmap_height) |
597 |
asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True); |
598 |
|
599 |
if (result != background && result != original_asim) |
600 |
destroy_asimage (&result); |
601 |
|
602 |
XFreeGC (dpy, gc); |
603 |
|
604 |
ret = true; |
605 |
} |
606 |
|
607 |
if (background) |
608 |
destroy_asimage (&background); |
609 |
|
610 |
return ret; |
611 |
} |
612 |
# endif /* HAVE_AFTERIMAGE */ |
613 |
|
614 |
# ifdef HAVE_PIXBUF |
615 |
bool |
616 |
rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, |
617 |
int src_x, int src_y, int dst_x, int dst_y, |
618 |
unsigned int width, unsigned int height) |
619 |
{ |
620 |
XImage *ximage; |
621 |
char *data, *line; |
622 |
int bytes_per_pixel; |
623 |
int width_r, width_g, width_b; |
624 |
int sh_r, sh_g, sh_b; |
625 |
int rowstride; |
626 |
int channels; |
627 |
unsigned char *row; |
628 |
|
629 |
if (visual->c_class != TrueColor) |
630 |
return false; |
631 |
|
632 |
if (depth == 24 || depth == 32) |
633 |
bytes_per_pixel = 4; |
634 |
else if (depth == 15 || depth == 16) |
635 |
bytes_per_pixel = 2; |
636 |
else |
637 |
return false; |
638 |
|
639 |
width_r = ecb_popcount32 (visual->red_mask); |
640 |
width_g = ecb_popcount32 (visual->green_mask); |
641 |
width_b = ecb_popcount32 (visual->blue_mask); |
642 |
|
643 |
if (width_r > 8 || width_g > 8 || width_b > 8) |
644 |
return false; |
645 |
|
646 |
sh_r = ecb_ctz32 (visual->red_mask); |
647 |
sh_g = ecb_ctz32 (visual->green_mask); |
648 |
sh_b = ecb_ctz32 (visual->blue_mask); |
649 |
|
650 |
if (width > INT_MAX / height / bytes_per_pixel) |
651 |
return false; |
652 |
|
653 |
data = (char *)malloc (width * height * bytes_per_pixel); |
654 |
if (!data) |
655 |
return false; |
656 |
|
657 |
ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data, |
658 |
width, height, bytes_per_pixel * 8, 0); |
659 |
if (!ximage) |
660 |
{ |
661 |
free (data); |
662 |
return false; |
663 |
} |
664 |
|
665 |
ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
666 |
|
667 |
rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
668 |
channels = gdk_pixbuf_get_n_channels (pixbuf); |
669 |
row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
670 |
line = data; |
671 |
|
672 |
for (int y = 0; y < height; y++) |
673 |
{ |
674 |
for (int x = 0; x < width; x++) |
675 |
{ |
676 |
unsigned char *pixel = row + x * channels; |
677 |
uint32_t value; |
678 |
|
679 |
value = ((pixel[0] >> (8 - width_r)) << sh_r) |
680 |
| ((pixel[1] >> (8 - width_g)) << sh_g) |
681 |
| ((pixel[2] >> (8 - width_b)) << sh_b); |
682 |
|
683 |
if (bytes_per_pixel == 4) |
684 |
((uint32_t *)line)[x] = value; |
685 |
else |
686 |
((uint16_t *)line)[x] = value; |
687 |
} |
688 |
|
689 |
row += rowstride; |
690 |
line += ximage->bytes_per_line; |
691 |
} |
692 |
|
693 |
XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
694 |
XDestroyImage (ximage); |
695 |
return true; |
696 |
} |
697 |
|
698 |
bool |
699 |
rxvt_term::render_image (unsigned long tr_flags) |
700 |
{ |
701 |
if (!pixbuf) |
702 |
return false; |
703 |
|
704 |
if (tr_flags |
705 |
&& !(bg_flags & BG_HAS_RENDER)) |
706 |
return false; |
707 |
|
708 |
GdkPixbuf *result; |
709 |
|
710 |
int image_width = gdk_pixbuf_get_width (pixbuf); |
711 |
int image_height = gdk_pixbuf_get_height (pixbuf); |
712 |
|
713 |
int target_width = szHint.width; |
714 |
int target_height = szHint.height; |
715 |
int new_pmap_width = target_width; |
716 |
int new_pmap_height = target_height; |
717 |
|
718 |
int x = 0; |
719 |
int y = 0; |
720 |
int w = 0; |
721 |
int h = 0; |
722 |
|
723 |
get_image_geometry (image_width, image_height, w, h, x, y); |
724 |
|
725 |
if (!(bg_flags & BG_ROOT_ALIGN) |
726 |
&& (x >= target_width |
727 |
|| y >= target_height |
728 |
|| x + w <= 0 |
729 |
|| y + h <= 0)) |
730 |
return false; |
731 |
|
732 |
result = pixbuf; |
733 |
|
734 |
if (w != image_width |
735 |
|| h != image_height) |
736 |
{ |
737 |
result = gdk_pixbuf_scale_simple (pixbuf, |
738 |
w, h, |
739 |
GDK_INTERP_BILINEAR); |
740 |
} |
741 |
|
742 |
if (!result) |
743 |
return false; |
744 |
|
745 |
bool ret = false; |
746 |
|
747 |
XGCValues gcv; |
748 |
GC gc; |
749 |
Pixmap root_pmap; |
750 |
|
751 |
image_width = gdk_pixbuf_get_width (result); |
752 |
image_height = gdk_pixbuf_get_height (result); |
753 |
|
754 |
if (tr_flags) |
755 |
{ |
756 |
root_pmap = bg_pixmap; |
757 |
bg_pixmap = None; |
758 |
} |
759 |
else |
760 |
{ |
761 |
if (bg_flags & BG_TILE) |
762 |
{ |
763 |
new_pmap_width = min (image_width, target_width); |
764 |
new_pmap_height = min (image_height, target_height); |
765 |
} |
766 |
} |
767 |
|
768 |
if (bg_pixmap == None |
769 |
|| bg_pmap_width != new_pmap_width |
770 |
|| bg_pmap_height != new_pmap_height) |
771 |
{ |
772 |
if (bg_pixmap) |
773 |
XFreePixmap (dpy, bg_pixmap); |
774 |
bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); |
775 |
bg_pmap_width = new_pmap_width; |
776 |
bg_pmap_height = new_pmap_height; |
777 |
} |
778 |
|
779 |
gcv.foreground = pix_colors[Color_bg]; |
780 |
gc = XCreateGC (dpy, vt, GCForeground, &gcv); |
781 |
|
782 |
if (gc) |
783 |
{ |
784 |
if (bg_flags & BG_TILE) |
785 |
{ |
786 |
Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth); |
787 |
pixbuf_to_pixmap (result, tile, gc, |
788 |
0, 0, |
789 |
0, 0, |
790 |
image_width, image_height); |
791 |
|
792 |
gcv.tile = tile; |
793 |
gcv.fill_style = FillTiled; |
794 |
gcv.ts_x_origin = x; |
795 |
gcv.ts_y_origin = y; |
796 |
XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); |
797 |
|
798 |
XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); |
799 |
XFreePixmap (dpy, tile); |
800 |
} |
801 |
else |
802 |
{ |
803 |
int src_x, src_y, dst_x, dst_y; |
804 |
int dst_width, dst_height; |
805 |
|
806 |
src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width ); |
807 |
src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height); |
808 |
|
809 |
if (dst_x > 0 || dst_y > 0 |
810 |
|| dst_x + dst_width < new_pmap_width |
811 |
|| dst_y + dst_height < new_pmap_height) |
812 |
XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); |
813 |
|
814 |
if (dst_x < new_pmap_width && dst_y < new_pmap_height) |
815 |
pixbuf_to_pixmap (result, bg_pixmap, gc, |
816 |
src_x, src_y, |
817 |
dst_x, dst_y, |
818 |
dst_width, dst_height); |
819 |
} |
820 |
|
821 |
#if XRENDER |
822 |
if (tr_flags) |
823 |
{ |
824 |
XRenderPictureAttributes pa; |
825 |
|
826 |
XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); |
827 |
Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); |
828 |
|
829 |
XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); |
830 |
Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); |
831 |
|
832 |
Picture mask = create_xrender_mask (dpy, vt, False, False); |
833 |
|
834 |
XRenderColor mask_c; |
835 |
|
836 |
mask_c.alpha = 0x8000; |
837 |
mask_c.red = 0; |
838 |
mask_c.green = 0; |
839 |
mask_c.blue = 0; |
840 |
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
841 |
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); |
842 |
|
843 |
XRenderFreePicture (dpy, src); |
844 |
XRenderFreePicture (dpy, dst); |
845 |
XRenderFreePicture (dpy, mask); |
846 |
} |
847 |
#endif |
848 |
|
849 |
XFreeGC (dpy, gc); |
850 |
|
851 |
ret = true; |
852 |
} |
853 |
|
854 |
if (result != pixbuf) |
855 |
g_object_unref (result); |
856 |
|
857 |
if (tr_flags) |
858 |
XFreePixmap (dpy, root_pmap); |
859 |
|
860 |
return ret; |
861 |
} |
862 |
# endif /* HAVE_PIXBUF */ |
863 |
|
864 |
bool |
865 |
rxvt_term::bg_set_file (const char *file) |
866 |
{ |
867 |
if (!file || !*file) |
868 |
return false; |
869 |
|
870 |
bool ret = false; |
871 |
const char *p = strchr (file, ';'); |
872 |
|
873 |
if (p) |
874 |
{ |
875 |
size_t len = p - file; |
876 |
char *f = rxvt_temp_buf<char> (len + 1); |
877 |
memcpy (f, file, len); |
878 |
f[len] = '\0'; |
879 |
file = f; |
880 |
} |
881 |
|
882 |
# ifdef HAVE_AFTERIMAGE |
883 |
if (!asimman) |
884 |
asimman = create_generic_imageman (rs[Rs_path]); |
885 |
ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100); |
886 |
if (image) |
887 |
{ |
888 |
if (original_asim) |
889 |
safe_asimage_destroy (original_asim); |
890 |
original_asim = image; |
891 |
bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER; |
892 |
ret = true; |
893 |
} |
894 |
# endif |
895 |
|
896 |
# ifdef HAVE_PIXBUF |
897 |
GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); |
898 |
if (image) |
899 |
{ |
900 |
if (pixbuf) |
901 |
g_object_unref (pixbuf); |
902 |
pixbuf = image; |
903 |
bg_flags |= BG_IS_FROM_FILE; |
904 |
ret = true; |
905 |
} |
906 |
# endif |
907 |
|
908 |
if (ret) |
909 |
{ |
910 |
if (p) |
911 |
bg_set_geometry (p + 1); |
912 |
else |
913 |
bg_set_default_geometry (); |
914 |
} |
915 |
|
916 |
return ret; |
917 |
} |
918 |
|
919 |
# endif /* BG_IMAGE_FROM_FILE */ |
920 |
|
921 |
# ifdef ENABLE_TRANSPARENCY |
922 |
bool |
923 |
rxvt_term::bg_set_transparent () |
924 |
{ |
925 |
if (!(bg_flags & BG_IS_TRANSPARENT)) |
926 |
{ |
927 |
bg_flags |= BG_IS_TRANSPARENT; |
928 |
return true; |
929 |
} |
930 |
|
931 |
return false; |
932 |
} |
933 |
|
934 |
bool |
935 |
rxvt_term::bg_set_blur (const char *geom) |
936 |
{ |
937 |
bool changed = false; |
938 |
unsigned int hr, vr; |
939 |
int junk; |
940 |
int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); |
941 |
|
942 |
if (!(geom_flags & WidthValue)) |
943 |
hr = 1; |
944 |
if (!(geom_flags & HeightValue)) |
945 |
vr = hr; |
946 |
|
947 |
min_it (hr, 128); |
948 |
min_it (vr, 128); |
949 |
|
950 |
if (h_blurRadius != hr) |
951 |
{ |
952 |
changed = true; |
953 |
h_blurRadius = hr; |
954 |
} |
955 |
|
956 |
if (v_blurRadius != vr) |
957 |
{ |
958 |
changed = true; |
959 |
v_blurRadius = vr; |
960 |
} |
961 |
|
962 |
if (v_blurRadius == 0 && h_blurRadius == 0) |
963 |
bg_flags &= ~BG_NEEDS_BLUR; |
964 |
else |
965 |
bg_flags |= BG_NEEDS_BLUR; |
966 |
|
967 |
return changed; |
968 |
} |
969 |
|
970 |
void |
971 |
rxvt_term::set_tint_shade_flags () |
972 |
{ |
973 |
rgba c; |
974 |
bool has_shade = shade != 100; |
975 |
|
976 |
bg_flags &= ~BG_TINT_FLAGS; |
977 |
|
978 |
tint.get (c); |
979 |
|
980 |
if (!has_shade |
981 |
&& (c.r <= 0x00ff || c.r >= 0xff00) |
982 |
&& (c.g <= 0x00ff || c.g >= 0xff00) |
983 |
&& (c.b <= 0x00ff || c.b >= 0xff00)) |
984 |
bg_flags |= BG_TINT_BITAND; |
985 |
|
986 |
if (has_shade |
987 |
|| c.r < 0xff00 |
988 |
|| c.g < 0xff00 |
989 |
|| c.b < 0xff00) |
990 |
bg_flags |= BG_NEEDS_TINT; |
991 |
} |
992 |
|
993 |
bool |
994 |
rxvt_term::bg_set_tint (rxvt_color &new_tint) |
995 |
{ |
996 |
if (tint != new_tint) |
997 |
{ |
998 |
tint = new_tint; |
999 |
set_tint_shade_flags (); |
1000 |
return true; |
1001 |
} |
1002 |
|
1003 |
return false; |
1004 |
} |
1005 |
|
1006 |
bool |
1007 |
rxvt_term::bg_set_shade (const char *shade_str) |
1008 |
{ |
1009 |
int new_shade = atoi (shade_str); |
1010 |
|
1011 |
clamp_it (new_shade, -100, 200); |
1012 |
if (new_shade < 0) |
1013 |
new_shade = 200 - (100 + new_shade); |
1014 |
|
1015 |
if (new_shade != shade) |
1016 |
{ |
1017 |
shade = new_shade; |
1018 |
set_tint_shade_flags (); |
1019 |
return true; |
1020 |
} |
1021 |
|
1022 |
return false; |
1023 |
} |
1024 |
|
1025 |
#if XRENDER |
1026 |
static void |
1027 |
get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
1028 |
{ |
1029 |
double sigma = radius / 2.0; |
1030 |
double scale = sqrt (2.0 * M_PI) * sigma; |
1031 |
double sum = 0.0; |
1032 |
|
1033 |
for (int i = 0; i < width; i++) |
1034 |
{ |
1035 |
double x = i - width / 2; |
1036 |
kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
1037 |
sum += kernel[i]; |
1038 |
} |
1039 |
|
1040 |
params[0] = XDoubleToFixed (width); |
1041 |
params[1] = XDoubleToFixed (1); |
1042 |
|
1043 |
for (int i = 0; i < width; i++) |
1044 |
params[i+2] = XDoubleToFixed (kernel[i] / sum); |
1045 |
} |
1046 |
#endif |
1047 |
|
1048 |
bool |
1049 |
rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) |
1050 |
{ |
1051 |
bool ret = false; |
1052 |
#if XRENDER |
1053 |
if (!(bg_flags & BG_HAS_RENDER_CONV)) |
1054 |
return false; |
1055 |
|
1056 |
int size = max (h_blurRadius, v_blurRadius) * 2 + 1; |
1057 |
double *kernel = (double *)malloc (size * sizeof (double)); |
1058 |
XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
1059 |
|
1060 |
XRenderPictureAttributes pa; |
1061 |
XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); |
1062 |
|
1063 |
Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); |
1064 |
Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); |
1065 |
|
1066 |
if (kernel && params) |
1067 |
{ |
1068 |
if (h_blurRadius) |
1069 |
{ |
1070 |
size = h_blurRadius * 2 + 1; |
1071 |
get_gaussian_kernel (h_blurRadius, size, kernel, params); |
1072 |
|
1073 |
XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
1074 |
XRenderComposite (dpy, |
1075 |
PictOpSrc, |
1076 |
src, |
1077 |
None, |
1078 |
dst, |
1079 |
0, 0, |
1080 |
0, 0, |
1081 |
0, 0, |
1082 |
width, height); |
1083 |
} |
1084 |
|
1085 |
if (v_blurRadius) |
1086 |
{ |
1087 |
size = v_blurRadius * 2 + 1; |
1088 |
get_gaussian_kernel (v_blurRadius, size, kernel, params); |
1089 |
::swap (params[0], params[1]); |
1090 |
|
1091 |
XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
1092 |
XRenderComposite (dpy, |
1093 |
PictOpSrc, |
1094 |
src, |
1095 |
None, |
1096 |
dst, |
1097 |
0, 0, |
1098 |
0, 0, |
1099 |
0, 0, |
1100 |
width, height); |
1101 |
} |
1102 |
|
1103 |
ret = true; |
1104 |
} |
1105 |
|
1106 |
free (kernel); |
1107 |
free (params); |
1108 |
XRenderFreePicture (dpy, src); |
1109 |
XRenderFreePicture (dpy, dst); |
1110 |
#endif |
1111 |
return ret; |
1112 |
} |
1113 |
|
1114 |
bool |
1115 |
rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) |
1116 |
{ |
1117 |
bool ret = false; |
1118 |
|
1119 |
if (bg_flags & BG_TINT_BITAND) |
1120 |
{ |
1121 |
XGCValues gcv; |
1122 |
GC gc; |
1123 |
|
1124 |
/* In this case we can tint image server-side getting significant |
1125 |
* performance improvements, as we eliminate XImage transfer |
1126 |
*/ |
1127 |
gcv.foreground = Pixel (tint); |
1128 |
gcv.function = GXand; |
1129 |
gcv.fill_style = FillSolid; |
1130 |
gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv); |
1131 |
if (gc) |
1132 |
{ |
1133 |
XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); |
1134 |
ret = true; |
1135 |
XFreeGC (dpy, gc); |
1136 |
} |
1137 |
} |
1138 |
# if XRENDER |
1139 |
else if (bg_flags & BG_HAS_RENDER) |
1140 |
{ |
1141 |
rgba c; |
1142 |
|
1143 |
tint.get (c); |
1144 |
|
1145 |
if (shade <= 100) |
1146 |
{ |
1147 |
c.r = c.r * shade / 100; |
1148 |
c.g = c.g * shade / 100; |
1149 |
c.b = c.b * shade / 100; |
1150 |
} |
1151 |
else |
1152 |
{ |
1153 |
c.r = c.r * (200 - shade) / 100; |
1154 |
c.g = c.g * (200 - shade) / 100; |
1155 |
c.b = c.b * (200 - shade) / 100; |
1156 |
} |
1157 |
|
1158 |
XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); |
1159 |
XRenderPictureAttributes pa; |
1160 |
|
1161 |
Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); |
1162 |
|
1163 |
Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False); |
1164 |
|
1165 |
Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True); |
1166 |
|
1167 |
XRenderColor mask_c; |
1168 |
|
1169 |
mask_c.alpha = 0xffff; |
1170 |
mask_c.red = |
1171 |
mask_c.green = |
1172 |
mask_c.blue = 0; |
1173 |
XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); |
1174 |
|
1175 |
mask_c.alpha = 0; |
1176 |
mask_c.red = 0xffff - c.r; |
1177 |
mask_c.green = 0xffff - c.g; |
1178 |
mask_c.blue = 0xffff - c.b; |
1179 |
XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); |
1180 |
XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); |
1181 |
|
1182 |
if (shade > 100) |
1183 |
{ |
1184 |
mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100; |
1185 |
mask_c.alpha = 0; |
1186 |
XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); |
1187 |
|
1188 |
XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); |
1189 |
} |
1190 |
|
1191 |
ret = true; |
1192 |
|
1193 |
XRenderFreePicture (dpy, mask_pic); |
1194 |
XRenderFreePicture (dpy, overlay_pic); |
1195 |
XRenderFreePicture (dpy, back_pic); |
1196 |
} |
1197 |
# endif |
1198 |
|
1199 |
return ret; |
1200 |
} |
1201 |
|
1202 |
/* |
1203 |
* Builds a pixmap of the same size as the terminal window that contains |
1204 |
* the tiled portion of the root pixmap that is supposed to be covered by |
1205 |
* our window. |
1206 |
*/ |
1207 |
unsigned long |
1208 |
rxvt_term::make_transparency_pixmap () |
1209 |
{ |
1210 |
unsigned long result = 0; |
1211 |
|
1212 |
/* root dimensions may change from call to call - but Display structure should |
1213 |
* be always up-to-date, so let's use it : |
1214 |
*/ |
1215 |
int screen = display->screen; |
1216 |
int root_depth = DefaultDepth (dpy, screen); |
1217 |
int root_width = DisplayWidth (dpy, screen); |
1218 |
int root_height = DisplayHeight (dpy, screen); |
1219 |
unsigned int root_pmap_width, root_pmap_height; |
1220 |
int window_width = szHint.width; |
1221 |
int window_height = szHint.height; |
1222 |
int sx, sy; |
1223 |
XGCValues gcv; |
1224 |
GC gc; |
1225 |
|
1226 |
sx = target_x; |
1227 |
sy = target_y; |
1228 |
|
1229 |
/* check if we are outside of the visible part of the virtual screen : */ |
1230 |
if (sx + window_width <= 0 || sy + window_height <= 0 |
1231 |
|| sx >= root_width || sy >= root_height) |
1232 |
return 0; |
1233 |
|
1234 |
// validate root pixmap and get its size |
1235 |
if (root_pixmap != None) |
1236 |
{ |
1237 |
Window wdummy; |
1238 |
int idummy; |
1239 |
unsigned int udummy; |
1240 |
|
1241 |
allowedxerror = -1; |
1242 |
|
1243 |
if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) |
1244 |
root_pixmap = None; |
1245 |
|
1246 |
allowedxerror = 0; |
1247 |
} |
1248 |
|
1249 |
Pixmap recoded_root_pmap = root_pixmap; |
1250 |
|
1251 |
if (root_pixmap != None && root_depth != depth) |
1252 |
{ |
1253 |
#if XRENDER |
1254 |
if (bg_flags & BG_HAS_RENDER) |
1255 |
{ |
1256 |
recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); |
1257 |
|
1258 |
XRenderPictureAttributes pa; |
1259 |
|
1260 |
XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); |
1261 |
Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); |
1262 |
|
1263 |
XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); |
1264 |
Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); |
1265 |
|
1266 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); |
1267 |
|
1268 |
XRenderFreePicture (dpy, src); |
1269 |
XRenderFreePicture (dpy, dst); |
1270 |
} |
1271 |
else |
1272 |
#endif |
1273 |
recoded_root_pmap = None; |
1274 |
} |
1275 |
|
1276 |
if (recoded_root_pmap == None) |
1277 |
return 0; |
1278 |
|
1279 |
if (bg_pixmap == None |
1280 |
|| bg_pmap_width != window_width |
1281 |
|| bg_pmap_height != window_height) |
1282 |
{ |
1283 |
if (bg_pixmap) |
1284 |
XFreePixmap (dpy, bg_pixmap); |
1285 |
bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth); |
1286 |
bg_pmap_width = window_width; |
1287 |
bg_pmap_height = window_height; |
1288 |
} |
1289 |
|
1290 |
/* straightforward pixmap copy */ |
1291 |
while (sx < 0) sx += root_pmap_width; |
1292 |
while (sy < 0) sy += root_pmap_height; |
1293 |
|
1294 |
gcv.tile = recoded_root_pmap; |
1295 |
gcv.fill_style = FillTiled; |
1296 |
gcv.ts_x_origin = -sx; |
1297 |
gcv.ts_y_origin = -sy; |
1298 |
gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); |
1299 |
|
1300 |
if (gc) |
1301 |
{ |
1302 |
XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); |
1303 |
result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); |
1304 |
XFreeGC (dpy, gc); |
1305 |
|
1306 |
if (!(bg_flags & BG_CLIENT_RENDER)) |
1307 |
{ |
1308 |
if (bg_flags & BG_NEEDS_BLUR) |
1309 |
{ |
1310 |
if (blur_pixmap (bg_pixmap, visual, window_width, window_height)) |
1311 |
result &= ~BG_NEEDS_BLUR; |
1312 |
} |
1313 |
if (bg_flags & BG_NEEDS_TINT) |
1314 |
{ |
1315 |
if (tint_pixmap (bg_pixmap, visual, window_width, window_height)) |
1316 |
result &= ~BG_NEEDS_TINT; |
1317 |
} |
1318 |
} /* server side rendering completed */ |
1319 |
} |
1320 |
|
1321 |
if (recoded_root_pmap != root_pixmap) |
1322 |
XFreePixmap (dpy, recoded_root_pmap); |
1323 |
|
1324 |
return result; |
1325 |
} |
1326 |
|
1327 |
void |
1328 |
rxvt_term::bg_set_root_pixmap () |
1329 |
{ |
1330 |
Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); |
1331 |
if (new_root_pixmap == None) |
1332 |
new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]); |
1333 |
|
1334 |
root_pixmap = new_root_pixmap; |
1335 |
} |
1336 |
# endif /* ENABLE_TRANSPARENCY */ |
1337 |
|
1338 |
bool |
1339 |
rxvt_term::bg_render () |
1340 |
{ |
1341 |
unsigned long tr_flags = 0; |
1342 |
|
1343 |
bg_invalidate (); |
1344 |
# ifdef ENABLE_TRANSPARENCY |
1345 |
if (bg_flags & BG_IS_TRANSPARENT) |
1346 |
{ |
1347 |
/* we need to re-generate transparency pixmap in that case ! */ |
1348 |
tr_flags = make_transparency_pixmap (); |
1349 |
if (tr_flags == 0) |
1350 |
return false; |
1351 |
bg_flags |= BG_IS_VALID; |
1352 |
} |
1353 |
# endif |
1354 |
|
1355 |
# ifdef BG_IMAGE_FROM_FILE |
1356 |
if ((bg_flags & BG_IS_FROM_FILE) |
1357 |
|| (tr_flags & BG_EFFECTS_FLAGS)) |
1358 |
{ |
1359 |
if (render_image (tr_flags)) |
1360 |
bg_flags |= BG_IS_VALID; |
1361 |
} |
1362 |
# endif |
1363 |
|
1364 |
# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) |
1365 |
XImage *result = NULL; |
1366 |
|
1367 |
if (tr_flags & BG_NEEDS_TINT) |
1368 |
{ |
1369 |
result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap); |
1370 |
} |
1371 |
|
1372 |
if (result) |
1373 |
{ |
1374 |
/* our own client-side tinting */ |
1375 |
//if (tr_flags & BG_NEEDS_TINT) |
1376 |
if (1) |
1377 |
tint_ximage (DefaultVisual (dpy, display->screen), result); |
1378 |
|
1379 |
GC gc = XCreateGC (dpy, vt, 0UL, NULL); |
1380 |
|
1381 |
if (gc) |
1382 |
{ |
1383 |
XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height); |
1384 |
|
1385 |
XFreeGC (dpy, gc); |
1386 |
} |
1387 |
|
1388 |
XDestroyImage (result); |
1389 |
} |
1390 |
# endif |
1391 |
|
1392 |
if (!(bg_flags & BG_IS_VALID)) |
1393 |
{ |
1394 |
if (bg_pixmap != None) |
1395 |
{ |
1396 |
XFreePixmap (dpy, bg_pixmap); |
1397 |
bg_pixmap = None; |
1398 |
} |
1399 |
} |
1400 |
|
1401 |
scr_recolour (false); |
1402 |
bg_flags |= BG_NEEDS_REFRESH; |
1403 |
|
1404 |
bg_valid_since = ev::now (); |
1405 |
|
1406 |
return true; |
1407 |
} |
1408 |
|
1409 |
void |
1410 |
rxvt_term::bg_init () |
1411 |
{ |
1412 |
#ifdef ENABLE_TRANSPARENCY |
1413 |
rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); |
1414 |
tint.set (this, c); |
1415 |
shade = 100; |
1416 |
#endif |
1417 |
|
1418 |
bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); |
1419 |
#if XRENDER |
1420 |
int major, minor; |
1421 |
if (XRenderQueryVersion (dpy, &major, &minor)) |
1422 |
bg_flags |= BG_HAS_RENDER; |
1423 |
XFilters *filters = XRenderQueryFilters (dpy, vt); |
1424 |
if (filters) |
1425 |
{ |
1426 |
for (int i = 0; i < filters->nfilter; i++) |
1427 |
if (!strcmp (filters->filter[i], FilterConvolution)) |
1428 |
bg_flags |= BG_HAS_RENDER_CONV; |
1429 |
|
1430 |
XFree (filters); |
1431 |
} |
1432 |
#endif |
1433 |
} |
1434 |
|
1435 |
#endif /* HAVE_BG_PIXMAP */ |
1436 |
|
1437 |
#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) |
1438 |
/* based on code from aterm-0.4.2 */ |
1439 |
|
1440 |
static inline void |
1441 |
fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high) |
1442 |
{ |
1443 |
for (int i = 0; i <= mask >> sh; i++) |
1444 |
{ |
1445 |
uint32_t tmp; |
1446 |
tmp = i * high; |
1447 |
tmp += (mask >> sh) * low; |
1448 |
lookup[i] = (tmp / 0xffff) << sh; |
1449 |
} |
1450 |
} |
1451 |
|
1452 |
void |
1453 |
rxvt_term::tint_ximage (Visual *visual, XImage *ximage) |
1454 |
{ |
1455 |
int sh_r, sh_g, sh_b; |
1456 |
uint32_t mask_r, mask_g, mask_b; |
1457 |
uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; |
1458 |
unsigned short low; |
1459 |
int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
1460 |
|
1461 |
if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; |
1462 |
|
1463 |
/* for convenience */ |
1464 |
mask_r = visual->red_mask; |
1465 |
mask_g = visual->green_mask; |
1466 |
mask_b = visual->blue_mask; |
1467 |
|
1468 |
/* boring lookup table pre-initialization */ |
1469 |
switch (ximage->depth) |
1470 |
{ |
1471 |
case 15: |
1472 |
if ((mask_r != 0x7c00) || |
1473 |
(mask_g != 0x03e0) || |
1474 |
(mask_b != 0x001f)) |
1475 |
return; |
1476 |
lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); |
1477 |
lookup_r = lookup; |
1478 |
lookup_g = lookup+32; |
1479 |
lookup_b = lookup+32+32; |
1480 |
sh_r = 10; |
1481 |
sh_g = 5; |
1482 |
sh_b = 0; |
1483 |
break; |
1484 |
case 16: |
1485 |
if ((mask_r != 0xf800) || |
1486 |
(mask_g != 0x07e0) || |
1487 |
(mask_b != 0x001f)) |
1488 |
return; |
1489 |
lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32)); |
1490 |
lookup_r = lookup; |
1491 |
lookup_g = lookup+32; |
1492 |
lookup_b = lookup+32+64; |
1493 |
sh_r = 11; |
1494 |
sh_g = 5; |
1495 |
sh_b = 0; |
1496 |
break; |
1497 |
case 24: |
1498 |
if ((mask_r != 0xff0000) || |
1499 |
(mask_g != 0x00ff00) || |
1500 |
(mask_b != 0x0000ff)) |
1501 |
return; |
1502 |
lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256)); |
1503 |
lookup_r = lookup; |
1504 |
lookup_g = lookup+256; |
1505 |
lookup_b = lookup+256+256; |
1506 |
sh_r = 16; |
1507 |
sh_g = 8; |
1508 |
sh_b = 0; |
1509 |
break; |
1510 |
case 32: |
1511 |
if ((mask_r != 0xff0000) || |
1512 |
(mask_g != 0x00ff00) || |
1513 |
(mask_b != 0x0000ff)) |
1514 |
return; |
1515 |
lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256)); |
1516 |
lookup_r = lookup; |
1517 |
lookup_g = lookup+256; |
1518 |
lookup_b = lookup+256+256; |
1519 |
sh_r = 16; |
1520 |
sh_g = 8; |
1521 |
sh_b = 0; |
1522 |
break; |
1523 |
default: |
1524 |
return; /* we do not support this color depth */ |
1525 |
} |
1526 |
|
1527 |
rgba c; |
1528 |
|
1529 |
tint.get (c); |
1530 |
|
1531 |
/* prepare limits for color transformation (each channel is handled separately) */ |
1532 |
if (shade > 100) |
1533 |
{ |
1534 |
c.r = c.r * (200 - shade) / 100; |
1535 |
c.g = c.g * (200 - shade) / 100; |
1536 |
c.b = c.b * (200 - shade) / 100; |
1537 |
|
1538 |
low = 0xffff * (shade - 100) / 100; |
1539 |
} |
1540 |
else |
1541 |
{ |
1542 |
c.r = c.r * shade / 100; |
1543 |
c.g = c.g * shade / 100; |
1544 |
c.b = c.b * shade / 100; |
1545 |
|
1546 |
low = 0; |
1547 |
} |
1548 |
|
1549 |
/* fill our lookup tables */ |
1550 |
fill_lut (lookup_r, mask_r, sh_r, low, c.r); |
1551 |
fill_lut (lookup_g, mask_g, sh_g, low, c.g); |
1552 |
fill_lut (lookup_b, mask_b, sh_b, low, c.b); |
1553 |
|
1554 |
/* apply table to input image (replacing colors by newly calculated ones) */ |
1555 |
if (ximage->bits_per_pixel == 32 |
1556 |
&& (ximage->depth == 24 || ximage->depth == 32) |
1557 |
&& ximage->byte_order == host_byte_order) |
1558 |
{ |
1559 |
uint32_t *p1, *pf, *p, *pl; |
1560 |
p1 = (uint32_t *) ximage->data; |
1561 |
pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line); |
1562 |
|
1563 |
while (p1 < pf) |
1564 |
{ |
1565 |
p = p1; |
1566 |
pl = p1 + ximage->width; |
1567 |
for (; p < pl; p++) |
1568 |
{ |
1569 |
*p = lookup_r[(*p & 0xff0000) >> 16] | |
1570 |
lookup_g[(*p & 0x00ff00) >> 8] | |
1571 |
lookup_b[(*p & 0x0000ff)] | |
1572 |
(*p & 0xff000000); |
1573 |
} |
1574 |
p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); |
1575 |
} |
1576 |
} |
1577 |
else |
1578 |
{ |
1579 |
for (int y = 0; y < ximage->height; y++) |
1580 |
for (int x = 0; x < ximage->width; x++) |
1581 |
{ |
1582 |
unsigned long pixel = XGetPixel (ximage, x, y); |
1583 |
pixel = lookup_r[(pixel & mask_r) >> sh_r] | |
1584 |
lookup_g[(pixel & mask_g) >> sh_g] | |
1585 |
lookup_b[(pixel & mask_b) >> sh_b]; |
1586 |
XPutPixel (ximage, x, y, pixel); |
1587 |
} |
1588 |
} |
1589 |
|
1590 |
free (lookup); |
1591 |
} |
1592 |
#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ |