forked from KolibriOS/kolibrios
386 lines
12 KiB
C
386 lines
12 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Red Hat, Inc.
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*
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* Contributor(s):
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* Carl D. Worth <cworth@redhat.com>
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*/
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#ifndef CAIRO_GSTATE_PRIVATE_H
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#define CAIRO_GSTATE_PRIVATE_H
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#include "cairo-clip-private.h"
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struct _cairo_gstate {
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cairo_operator_t op;
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double tolerance;
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cairo_antialias_t antialias;
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cairo_stroke_style_t stroke_style;
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cairo_fill_rule_t fill_rule;
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cairo_font_face_t *font_face;
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cairo_scaled_font_t *scaled_font; /* Specific to the current CTM */
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cairo_scaled_font_t *previous_scaled_font; /* holdover */
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cairo_matrix_t font_matrix;
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cairo_font_options_t font_options;
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cairo_clip_t clip;
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cairo_surface_t *target; /* The target to which all rendering is directed */
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cairo_surface_t *parent_target; /* The previous target which was receiving rendering */
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cairo_surface_t *original_target; /* The original target the initial gstate was created with */
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/* the user is allowed to update the device after we have cached the matrices... */
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cairo_observer_t device_transform_observer;
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cairo_matrix_t ctm;
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cairo_matrix_t ctm_inverse;
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cairo_matrix_t source_ctm_inverse; /* At the time ->source was set */
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cairo_bool_t is_identity;
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cairo_pattern_t *source;
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struct _cairo_gstate *next;
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};
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/* cairo-gstate.c */
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cairo_private cairo_status_t
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_cairo_gstate_init (cairo_gstate_t *gstate,
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cairo_surface_t *target);
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cairo_private void
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_cairo_gstate_fini (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_save (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
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cairo_private cairo_status_t
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_cairo_gstate_restore (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
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cairo_private cairo_bool_t
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_cairo_gstate_is_redirected (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_redirect_target (cairo_gstate_t *gstate, cairo_surface_t *child);
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cairo_private cairo_surface_t *
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_cairo_gstate_get_target (cairo_gstate_t *gstate);
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cairo_private cairo_surface_t *
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_cairo_gstate_get_parent_target (cairo_gstate_t *gstate);
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cairo_private cairo_surface_t *
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_cairo_gstate_get_original_target (cairo_gstate_t *gstate);
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cairo_private cairo_clip_t *
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_cairo_gstate_get_clip (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_source (cairo_gstate_t *gstate, cairo_pattern_t *source);
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cairo_private cairo_pattern_t *
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_cairo_gstate_get_source (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_operator (cairo_gstate_t *gstate, cairo_operator_t op);
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cairo_private cairo_operator_t
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_cairo_gstate_get_operator (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_tolerance (cairo_gstate_t *gstate, double tolerance);
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cairo_private double
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_cairo_gstate_get_tolerance (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_fill_rule (cairo_gstate_t *gstate, cairo_fill_rule_t fill_rule);
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cairo_private cairo_fill_rule_t
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_cairo_gstate_get_fill_rule (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_line_width (cairo_gstate_t *gstate, double width);
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cairo_private double
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_cairo_gstate_get_line_width (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_line_cap (cairo_gstate_t *gstate, cairo_line_cap_t line_cap);
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cairo_private cairo_line_cap_t
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_cairo_gstate_get_line_cap (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_line_join (cairo_gstate_t *gstate, cairo_line_join_t line_join);
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cairo_private cairo_line_join_t
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_cairo_gstate_get_line_join (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_set_dash (cairo_gstate_t *gstate, const double *dash, int num_dashes, double offset);
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cairo_private void
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_cairo_gstate_get_dash (cairo_gstate_t *gstate, double *dash, int *num_dashes, double *offset);
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cairo_private cairo_status_t
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_cairo_gstate_set_miter_limit (cairo_gstate_t *gstate, double limit);
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cairo_private double
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_cairo_gstate_get_miter_limit (cairo_gstate_t *gstate);
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cairo_private void
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_cairo_gstate_get_matrix (cairo_gstate_t *gstate, cairo_matrix_t *matrix);
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cairo_private cairo_status_t
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_cairo_gstate_translate (cairo_gstate_t *gstate, double tx, double ty);
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cairo_private cairo_status_t
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_cairo_gstate_scale (cairo_gstate_t *gstate, double sx, double sy);
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cairo_private cairo_status_t
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_cairo_gstate_rotate (cairo_gstate_t *gstate, double angle);
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cairo_private cairo_status_t
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_cairo_gstate_transform (cairo_gstate_t *gstate,
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const cairo_matrix_t *matrix);
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cairo_private cairo_status_t
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_cairo_gstate_set_matrix (cairo_gstate_t *gstate,
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const cairo_matrix_t *matrix);
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cairo_private void
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_cairo_gstate_identity_matrix (cairo_gstate_t *gstate);
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cairo_private void
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_cairo_gstate_user_to_device (cairo_gstate_t *gstate, double *x, double *y);
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cairo_private void
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_cairo_gstate_user_to_device_distance (cairo_gstate_t *gstate, double *dx, double *dy);
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cairo_private void
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_cairo_gstate_device_to_user (cairo_gstate_t *gstate, double *x, double *y);
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cairo_private void
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_cairo_gstate_device_to_user_distance (cairo_gstate_t *gstate, double *dx, double *dy);
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cairo_private void
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_do_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y);
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static inline void
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_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y)
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{
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if (! gstate->is_identity)
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_do_cairo_gstate_user_to_backend (gstate, x, y);
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}
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cairo_private void
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_do_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y);
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static inline void
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_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y)
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{
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if (! gstate->is_identity)
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_do_cairo_gstate_backend_to_user (gstate, x, y);
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}
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cairo_private void
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_cairo_gstate_backend_to_user_rectangle (cairo_gstate_t *gstate,
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double *x1, double *y1,
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double *x2, double *y2,
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cairo_bool_t *is_tight);
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cairo_private void
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_cairo_gstate_path_extents (cairo_gstate_t *gstate,
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cairo_path_fixed_t *path,
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double *x1, double *y1,
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double *x2, double *y2);
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cairo_private cairo_status_t
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_cairo_gstate_paint (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_mask (cairo_gstate_t *gstate,
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cairo_pattern_t *mask);
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cairo_private cairo_status_t
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_cairo_gstate_stroke (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
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cairo_private cairo_status_t
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_cairo_gstate_fill (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
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cairo_private cairo_status_t
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_cairo_gstate_copy_page (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_show_page (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_stroke_extents (cairo_gstate_t *gstate,
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cairo_path_fixed_t *path,
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double *x1, double *y1,
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double *x2, double *y2);
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cairo_private cairo_status_t
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_cairo_gstate_fill_extents (cairo_gstate_t *gstate,
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cairo_path_fixed_t *path,
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double *x1, double *y1,
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double *x2, double *y2);
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cairo_private cairo_status_t
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_cairo_gstate_in_stroke (cairo_gstate_t *gstate,
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cairo_path_fixed_t *path,
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double x,
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double y,
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cairo_bool_t *inside_ret);
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cairo_private cairo_bool_t
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_cairo_gstate_in_fill (cairo_gstate_t *gstate,
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cairo_path_fixed_t *path,
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double x,
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double y);
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cairo_private cairo_bool_t
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_cairo_gstate_in_clip (cairo_gstate_t *gstate,
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double x,
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double y);
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cairo_private cairo_status_t
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_cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
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cairo_private cairo_status_t
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_cairo_gstate_reset_clip (cairo_gstate_t *gstate);
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cairo_private cairo_bool_t
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_cairo_gstate_clip_extents (cairo_gstate_t *gstate,
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double *x1,
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double *y1,
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double *x2,
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double *y2);
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cairo_private cairo_rectangle_list_t*
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_cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate);
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cairo_private cairo_status_t
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_cairo_gstate_show_surface (cairo_gstate_t *gstate,
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cairo_surface_t *surface,
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double x,
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double y,
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double width,
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double height);
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cairo_private cairo_status_t
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_cairo_gstate_select_font_face (cairo_gstate_t *gstate,
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const char *family,
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cairo_font_slant_t slant,
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cairo_font_weight_t weight);
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cairo_private cairo_status_t
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_cairo_gstate_set_font_size (cairo_gstate_t *gstate,
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double size);
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cairo_private void
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_cairo_gstate_get_font_matrix (cairo_gstate_t *gstate,
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cairo_matrix_t *matrix);
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cairo_private cairo_status_t
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_cairo_gstate_set_font_matrix (cairo_gstate_t *gstate,
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const cairo_matrix_t *matrix);
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cairo_private void
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_cairo_gstate_get_font_options (cairo_gstate_t *gstate,
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cairo_font_options_t *options);
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cairo_private void
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_cairo_gstate_set_font_options (cairo_gstate_t *gstate,
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const cairo_font_options_t *options);
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cairo_private cairo_status_t
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_cairo_gstate_get_font_face (cairo_gstate_t *gstate,
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cairo_font_face_t **font_face);
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cairo_private cairo_status_t
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_cairo_gstate_get_scaled_font (cairo_gstate_t *gstate,
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cairo_scaled_font_t **scaled_font);
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cairo_private cairo_status_t
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_cairo_gstate_get_font_extents (cairo_gstate_t *gstate,
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cairo_font_extents_t *extents);
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cairo_private cairo_status_t
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_cairo_gstate_set_font_face (cairo_gstate_t *gstate,
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cairo_font_face_t *font_face);
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cairo_private cairo_status_t
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_cairo_gstate_text_to_glyphs (cairo_gstate_t *gstate,
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double x,
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double y,
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const char *utf8,
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int utf8_len,
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cairo_glyph_t **glyphs,
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int *num_glyphs,
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cairo_text_cluster_t **clusters,
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int *num_clusters,
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cairo_text_cluster_flags_t *cluster_flags);
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cairo_private cairo_status_t
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_cairo_gstate_glyph_extents (cairo_gstate_t *gstate,
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const cairo_glyph_t *glyphs,
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int num_glyphs,
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cairo_text_extents_t *extents);
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cairo_private cairo_status_t
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_cairo_gstate_show_text_glyphs (cairo_gstate_t *gstate,
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const char *utf8,
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int utf8_len,
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const cairo_glyph_t *glyphs,
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int num_glyphs,
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const cairo_text_cluster_t *clusters,
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int num_clusters,
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cairo_text_cluster_flags_t cluster_flags);
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cairo_private cairo_status_t
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_cairo_gstate_glyph_path (cairo_gstate_t *gstate,
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const cairo_glyph_t *glyphs,
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int num_glyphs,
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cairo_path_fixed_t *path);
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cairo_private cairo_status_t
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_cairo_gstate_set_antialias (cairo_gstate_t *gstate,
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cairo_antialias_t antialias);
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cairo_private cairo_antialias_t
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_cairo_gstate_get_antialias (cairo_gstate_t *gstate);
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#endif /* CAIRO_GSTATE_PRIVATE_H */
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