/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ /* cairo - a vector graphics library with display and print output * * Copyright © 2002 University of Southern California * Copyright © 2005 Red Hat, Inc. * Copyright © 2011 Intel Corporation * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. * * The Original Code is the cairo graphics library. * * The Initial Developer of the Original Code is University of Southern * California. * * Contributor(s): * Carl D. Worth * Behdad Esfahbod * Chris Wilson * Karl Tomlinson , Mozilla Corporation */ #include "cairoint.h" #if !CAIRO_HAS_XLIB_XCB_FUNCTIONS #include "cairo-xlib-private.h" #include "cairo-compositor-private.h" #include "cairo-image-surface-private.h" #include "cairo-surface-offset-private.h" static const cairo_compositor_t * _get_compositor (cairo_surface_t *surface) { return ((cairo_image_surface_t *)surface)->compositor; } static cairo_bool_t unclipped (cairo_xlib_surface_t *xlib, cairo_clip_t *clip) { cairo_rectangle_int_t r; r.x = r.y = 0; r.width = xlib->width; r.height = xlib->height; return _cairo_clip_contains_rectangle (clip, &r); } static cairo_int_status_t _cairo_xlib_shm_compositor_paint (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents) { cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; cairo_int_status_t status; cairo_surface_t *shm; cairo_bool_t overwrite; TRACE ((stderr, "%s\n", __FUNCTION__)); overwrite = extents->op <= CAIRO_OPERATOR_SOURCE && unclipped (xlib, extents->clip); shm = _cairo_xlib_surface_get_shm (xlib, overwrite); if (shm == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_paint (_get_compositor (shm), shm, extents->op, &extents->source_pattern.base, extents->clip); if (unlikely (status)) return status; xlib->base.is_clear = extents->op == CAIRO_OPERATOR_CLEAR && unclipped (xlib, extents->clip); xlib->base.serial++; xlib->fallback++; return CAIRO_INT_STATUS_NOTHING_TO_DO; } static cairo_int_status_t _cairo_xlib_shm_compositor_mask (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents) { cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; cairo_int_status_t status; cairo_surface_t *shm; TRACE ((stderr, "%s\n", __FUNCTION__)); shm = _cairo_xlib_surface_get_shm (xlib, FALSE); if (shm == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_mask (_get_compositor (shm), shm, extents->op, &extents->source_pattern.base, &extents->mask_pattern.base, extents->clip); if (unlikely (status)) return status; xlib->base.is_clear = FALSE; xlib->base.serial++; xlib->fallback++; return CAIRO_INT_STATUS_NOTHING_TO_DO; } static cairo_int_status_t _cairo_xlib_shm_compositor_stroke (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents, const cairo_path_fixed_t *path, const cairo_stroke_style_t *style, const cairo_matrix_t *ctm, const cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias) { cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; cairo_int_status_t status; cairo_surface_t *shm; TRACE ((stderr, "%s\n", __FUNCTION__)); shm = _cairo_xlib_surface_get_shm (xlib, FALSE); if (shm == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_stroke (_get_compositor (shm), shm, extents->op, &extents->source_pattern.base, path, style, ctm, ctm_inverse, tolerance, antialias, extents->clip); if (unlikely (status)) return status; xlib->base.is_clear = FALSE; xlib->base.serial++; xlib->fallback++; return CAIRO_INT_STATUS_NOTHING_TO_DO; } static cairo_int_status_t _cairo_xlib_shm_compositor_fill (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents, const cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias) { cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; cairo_int_status_t status; cairo_surface_t *shm; TRACE ((stderr, "%s\n", __FUNCTION__)); shm = _cairo_xlib_surface_get_shm (xlib, FALSE); if (shm == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_fill (_get_compositor (shm), shm, extents->op, &extents->source_pattern.base, path, fill_rule, tolerance, antialias, extents->clip); if (unlikely (status)) return status; xlib->base.is_clear = FALSE; xlib->base.serial++; xlib->fallback++; return CAIRO_INT_STATUS_NOTHING_TO_DO; } static cairo_int_status_t _cairo_xlib_shm_compositor_glyphs (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents, cairo_scaled_font_t *scaled_font, cairo_glyph_t *glyphs, int num_glyphs, cairo_bool_t overlap) { cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; cairo_int_status_t status; cairo_surface_t *shm; TRACE ((stderr, "%s\n", __FUNCTION__)); shm = _cairo_xlib_surface_get_shm (xlib, FALSE); if (shm == NULL) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_glyphs (_get_compositor (shm), shm, extents->op, &extents->source_pattern.base, glyphs, num_glyphs, scaled_font, extents->clip); if (unlikely (status)) return status; xlib->base.is_clear = FALSE; xlib->base.serial++; xlib->fallback++; return CAIRO_INT_STATUS_NOTHING_TO_DO; } static const cairo_compositor_t _cairo_xlib_shm_compositor = { &_cairo_fallback_compositor, _cairo_xlib_shm_compositor_paint, _cairo_xlib_shm_compositor_mask, _cairo_xlib_shm_compositor_stroke, _cairo_xlib_shm_compositor_fill, _cairo_xlib_shm_compositor_glyphs, }; const cairo_compositor_t * _cairo_xlib_fallback_compositor_get (void) { return &_cairo_xlib_shm_compositor; } #endif /* !CAIRO_HAS_XLIB_XCB_FUNCTIONS */