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+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * 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 Red Hat, Inc.
+ *
+ * Contributor(s):
+ * Carl D. Worth <cworth@redhat.com>
+ */
+
+#ifndef CAIRO_GSTATE_PRIVATE_H
+#define CAIRO_GSTATE_PRIVATE_H
+
+#include "cairo-clip-private.h"
+
+struct _cairo_gstate {
+ cairo_operator_t op;
+
+ double opacity;
+ double tolerance;
+ cairo_antialias_t antialias;
+
+ cairo_stroke_style_t stroke_style;
+
+ cairo_fill_rule_t fill_rule;
+
+ cairo_font_face_t *font_face;
+ cairo_scaled_font_t *scaled_font; /* Specific to the current CTM */
+ cairo_scaled_font_t *previous_scaled_font; /* holdover */
+ cairo_matrix_t font_matrix;
+ cairo_font_options_t font_options;
+
+ cairo_clip_t *clip;
+
+ cairo_surface_t *target; /* The target to which all rendering is directed */
+ cairo_surface_t *parent_target; /* The previous target which was receiving rendering */
+ cairo_surface_t *original_target; /* The original target the initial gstate was created with */
+
+ /* the user is allowed to update the device after we have cached the matrices... */
+ cairo_observer_t device_transform_observer;
+
+ cairo_matrix_t ctm;
+ cairo_matrix_t ctm_inverse;
+ cairo_matrix_t source_ctm_inverse; /* At the time ->source was set */
+ cairo_bool_t is_identity;
+
+ cairo_pattern_t *source;
+
+ struct _cairo_gstate *next;
+};
+
+/* cairo-gstate.c */
+cairo_private cairo_status_t
+_cairo_gstate_init (cairo_gstate_t *gstate,
+ cairo_surface_t *target);
+
+cairo_private void
+_cairo_gstate_fini (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_save (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
+
+cairo_private cairo_status_t
+_cairo_gstate_restore (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
+
+cairo_private cairo_bool_t
+_cairo_gstate_is_group (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_redirect_target (cairo_gstate_t *gstate, cairo_surface_t *child);
+
+cairo_private cairo_surface_t *
+_cairo_gstate_get_target (cairo_gstate_t *gstate);
+
+cairo_private cairo_surface_t *
+_cairo_gstate_get_original_target (cairo_gstate_t *gstate);
+
+cairo_private cairo_clip_t *
+_cairo_gstate_get_clip (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_source (cairo_gstate_t *gstate, cairo_pattern_t *source);
+
+cairo_private cairo_pattern_t *
+_cairo_gstate_get_source (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_operator (cairo_gstate_t *gstate, cairo_operator_t op);
+
+cairo_private cairo_operator_t
+_cairo_gstate_get_operator (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_opacity (cairo_gstate_t *gstate, double opacity);
+
+cairo_private double
+_cairo_gstate_get_opacity (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_tolerance (cairo_gstate_t *gstate, double tolerance);
+
+cairo_private double
+_cairo_gstate_get_tolerance (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_fill_rule (cairo_gstate_t *gstate, cairo_fill_rule_t fill_rule);
+
+cairo_private cairo_fill_rule_t
+_cairo_gstate_get_fill_rule (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_line_width (cairo_gstate_t *gstate, double width);
+
+cairo_private double
+_cairo_gstate_get_line_width (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_line_cap (cairo_gstate_t *gstate, cairo_line_cap_t line_cap);
+
+cairo_private cairo_line_cap_t
+_cairo_gstate_get_line_cap (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_line_join (cairo_gstate_t *gstate, cairo_line_join_t line_join);
+
+cairo_private cairo_line_join_t
+_cairo_gstate_get_line_join (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_dash (cairo_gstate_t *gstate, const double *dash, int num_dashes, double offset);
+
+cairo_private void
+_cairo_gstate_get_dash (cairo_gstate_t *gstate, double *dash, int *num_dashes, double *offset);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_miter_limit (cairo_gstate_t *gstate, double limit);
+
+cairo_private double
+_cairo_gstate_get_miter_limit (cairo_gstate_t *gstate);
+
+cairo_private void
+_cairo_gstate_get_matrix (cairo_gstate_t *gstate, cairo_matrix_t *matrix);
+
+cairo_private cairo_status_t
+_cairo_gstate_translate (cairo_gstate_t *gstate, double tx, double ty);
+
+cairo_private cairo_status_t
+_cairo_gstate_scale (cairo_gstate_t *gstate, double sx, double sy);
+
+cairo_private cairo_status_t
+_cairo_gstate_rotate (cairo_gstate_t *gstate, double angle);
+
+cairo_private cairo_status_t
+_cairo_gstate_transform (cairo_gstate_t *gstate,
+ const cairo_matrix_t *matrix);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_matrix (cairo_gstate_t *gstate,
+ const cairo_matrix_t *matrix);
+
+cairo_private void
+_cairo_gstate_identity_matrix (cairo_gstate_t *gstate);
+
+cairo_private void
+_cairo_gstate_user_to_device (cairo_gstate_t *gstate, double *x, double *y);
+
+cairo_private void
+_cairo_gstate_user_to_device_distance (cairo_gstate_t *gstate, double *dx, double *dy);
+
+cairo_private void
+_cairo_gstate_device_to_user (cairo_gstate_t *gstate, double *x, double *y);
+
+cairo_private void
+_cairo_gstate_device_to_user_distance (cairo_gstate_t *gstate, double *dx, double *dy);
+
+cairo_private void
+_do_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y);
+
+static inline void
+_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y)
+{
+ if (! gstate->is_identity)
+ _do_cairo_gstate_user_to_backend (gstate, x, y);
+}
+
+cairo_private void
+_do_cairo_gstate_user_to_backend_distance (cairo_gstate_t *gstate, double *x, double *y);
+
+static inline void
+_cairo_gstate_user_to_backend_distance (cairo_gstate_t *gstate, double *x, double *y)
+{
+ if (! gstate->is_identity)
+ _do_cairo_gstate_user_to_backend_distance (gstate, x, y);
+}
+
+cairo_private void
+_do_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y);
+
+static inline void
+_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y)
+{
+ if (! gstate->is_identity)
+ _do_cairo_gstate_backend_to_user (gstate, x, y);
+}
+
+cairo_private void
+_do_cairo_gstate_backend_to_user_distance (cairo_gstate_t *gstate, double *x, double *y);
+
+static inline void
+_cairo_gstate_backend_to_user_distance (cairo_gstate_t *gstate, double *x, double *y)
+{
+ if (! gstate->is_identity)
+ _do_cairo_gstate_backend_to_user_distance (gstate, x, y);
+}
+
+cairo_private void
+_cairo_gstate_backend_to_user_rectangle (cairo_gstate_t *gstate,
+ double *x1, double *y1,
+ double *x2, double *y2,
+ cairo_bool_t *is_tight);
+
+cairo_private void
+_cairo_gstate_path_extents (cairo_gstate_t *gstate,
+ cairo_path_fixed_t *path,
+ double *x1, double *y1,
+ double *x2, double *y2);
+
+cairo_private cairo_status_t
+_cairo_gstate_paint (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_mask (cairo_gstate_t *gstate,
+ cairo_pattern_t *mask);
+
+cairo_private cairo_status_t
+_cairo_gstate_stroke (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
+
+cairo_private cairo_status_t
+_cairo_gstate_fill (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
+
+cairo_private cairo_status_t
+_cairo_gstate_copy_page (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_show_page (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_stroke_extents (cairo_gstate_t *gstate,
+ cairo_path_fixed_t *path,
+ double *x1, double *y1,
+ double *x2, double *y2);
+
+cairo_private cairo_status_t
+_cairo_gstate_fill_extents (cairo_gstate_t *gstate,
+ cairo_path_fixed_t *path,
+ double *x1, double *y1,
+ double *x2, double *y2);
+
+cairo_private cairo_status_t
+_cairo_gstate_in_stroke (cairo_gstate_t *gstate,
+ cairo_path_fixed_t *path,
+ double x,
+ double y,
+ cairo_bool_t *inside_ret);
+
+cairo_private cairo_bool_t
+_cairo_gstate_in_fill (cairo_gstate_t *gstate,
+ cairo_path_fixed_t *path,
+ double x,
+ double y);
+
+cairo_private cairo_bool_t
+_cairo_gstate_in_clip (cairo_gstate_t *gstate,
+ double x,
+ double y);
+
+cairo_private cairo_status_t
+_cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
+
+cairo_private cairo_status_t
+_cairo_gstate_reset_clip (cairo_gstate_t *gstate);
+
+cairo_private cairo_bool_t
+_cairo_gstate_clip_extents (cairo_gstate_t *gstate,
+ double *x1,
+ double *y1,
+ double *x2,
+ double *y2);
+
+cairo_private cairo_rectangle_list_t*
+_cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate);
+
+cairo_private cairo_status_t
+_cairo_gstate_show_surface (cairo_gstate_t *gstate,
+ cairo_surface_t *surface,
+ double x,
+ double y,
+ double width,
+ double height);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_font_size (cairo_gstate_t *gstate,
+ double size);
+
+cairo_private void
+_cairo_gstate_get_font_matrix (cairo_gstate_t *gstate,
+ cairo_matrix_t *matrix);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_font_matrix (cairo_gstate_t *gstate,
+ const cairo_matrix_t *matrix);
+
+cairo_private void
+_cairo_gstate_get_font_options (cairo_gstate_t *gstate,
+ cairo_font_options_t *options);
+
+cairo_private void
+_cairo_gstate_set_font_options (cairo_gstate_t *gstate,
+ const cairo_font_options_t *options);
+
+cairo_private cairo_status_t
+_cairo_gstate_get_font_face (cairo_gstate_t *gstate,
+ cairo_font_face_t **font_face);
+
+cairo_private cairo_status_t
+_cairo_gstate_get_scaled_font (cairo_gstate_t *gstate,
+ cairo_scaled_font_t **scaled_font);
+
+cairo_private cairo_status_t
+_cairo_gstate_get_font_extents (cairo_gstate_t *gstate,
+ cairo_font_extents_t *extents);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_font_face (cairo_gstate_t *gstate,
+ cairo_font_face_t *font_face);
+
+cairo_private cairo_status_t
+_cairo_gstate_glyph_extents (cairo_gstate_t *gstate,
+ const cairo_glyph_t *glyphs,
+ int num_glyphs,
+ cairo_text_extents_t *extents);
+
+cairo_private cairo_status_t
+_cairo_gstate_show_text_glyphs (cairo_gstate_t *gstate,
+ const cairo_glyph_t *glyphs,
+ int num_glyphs,
+ cairo_glyph_text_info_t *info);
+
+cairo_private cairo_status_t
+_cairo_gstate_glyph_path (cairo_gstate_t *gstate,
+ const cairo_glyph_t *glyphs,
+ int num_glyphs,
+ cairo_path_fixed_t *path);
+
+cairo_private cairo_status_t
+_cairo_gstate_set_antialias (cairo_gstate_t *gstate,
+ cairo_antialias_t antialias);
+
+cairo_private cairo_antialias_t
+_cairo_gstate_get_antialias (cairo_gstate_t *gstate);
+
+#endif /* CAIRO_GSTATE_PRIVATE_H */