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/******************************************************************************
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* MODULE : tm_cairo.cpp
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* DESCRIPTION: Interface with Cairo
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* COPYRIGHT : (C) 2008 Massimiliano Gubinelli
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*******************************************************************************
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* This software falls under the GNU general public license version 3 or later.
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* It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
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* in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
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******************************************************************************/
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#include "dyn_link.hpp"
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static bool tm_cairo_initialized= false;
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static bool tm_cairo_error = true;
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void (*tm_cairo_move_to) (cairo_t *cr, double x, double y);
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void (*tm_cairo_show_glyphs) (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs);
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cairo_status_t (*tm_cairo_font_face_status) (cairo_font_face_t *font_face);
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void (*tm_cairo_set_source_surface) (cairo_t *cr, cairo_surface_t *surface, double x, double y);
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void (*tm_cairo_new_path) (cairo_t *cr);
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void (*tm_cairo_stroke) (cairo_t *cr);
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cairo_status_t (*tm_cairo_font_face_set_user_data) (cairo_font_face_t *font_face, const cairo_user_data_key_t *key, void *user_data, cairo_destroy_func_t destroy);
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void (*tm_cairo_set_antialias) (cairo_t *cr, cairo_antialias_t antialias);
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void (*tm_cairo_set_font_size) (cairo_t *cr, double size);
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void (*tm_cairo_fill) (cairo_t *cr);
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void (*tm_cairo_set_source_rgba) (cairo_t *cr, double red, double green, double blue, double alpha);
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cairo_surface_t * (*tm_cairo_ps_surface_create) (const char *filename, double width_in_points, double height_in_points);
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const char * (*tm_cairo_status_to_string) (cairo_status_t status);
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void (*tm_cairo_set_source_rgb) (cairo_t *cr, double red, double green, double blue);
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void (*tm_cairo_close_path) (cairo_t *cr);
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void (*tm_cairo_restore) (cairo_t *cr);
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void (*tm_cairo_translate) (cairo_t *cr, double tx, double ty);
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void (*tm_cairo_set_font_face) (cairo_t *cr, cairo_font_face_t *font_face);
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void (*tm_cairo_font_face_destroy) (cairo_font_face_t *font_face);
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void (*tm_cairo_set_line_width) (cairo_t *cr, double width);
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cairo_surface_t * (*tm_cairo_image_surface_create_from_png) (const char *filename);
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cairo_font_face_t * (*tm_cairo_ft_font_face_create_for_ft_face) (FT_Face face, int load_flags);
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int (*tm_cairo_image_surface_get_width) (cairo_surface_t *surface);
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void (*tm_cairo_scale) (cairo_t *cr, double sx, double sy);
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void (*tm_cairo_mask) (cairo_t *cr, cairo_pattern_t *pattern);
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void (*tm_cairo_set_operator) (cairo_t *cr, cairo_operator_t op);
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cairo_surface_t * (*tm_cairo_image_surface_create) (cairo_format_t format, int width, int height);
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void (*tm_cairo_paint) (cairo_t *cr);
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void (*tm_cairo_rectangle) (cairo_t *cr, double x, double y, double width, double height);
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void (*tm_cairo_set_line_cap) (cairo_t *cr, cairo_line_cap_t line_cap);
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void (*tm_cairo_set_line_join) (cairo_t *cr, cairo_line_join_t line_join);
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cairo_surface_t * (*tm_cairo_surface_reference) (cairo_surface_t *surface);
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void (*tm_cairo_line_to) (cairo_t *cr, double x, double y);
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cairo_status_t (*tm_cairo_status) (cairo_t *cr);
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void (*tm_cairo_show_page) (cairo_t *cr);
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cairo_t * (*tm_cairo_reference) (cairo_t *cr);
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cairo_t * (*tm_cairo_create) (cairo_surface_t *target);
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void (*tm_cairo_surface_destroy) (cairo_surface_t *surface);
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void (*tm_cairo_set_fill_rule) (cairo_t *cr, cairo_fill_rule_t fill_rule);
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void (*tm_cairo_destroy) (cairo_t *cr);
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void (*tm_cairo_save) (cairo_t *cr);
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void (*tm_cairo_set_source) (cairo_t *cr, cairo_pattern_t *source);
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int (*tm_cairo_image_surface_get_height) (cairo_surface_t *surface);
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void (*tm_cairo_mask_surface) (cairo_t *cr, cairo_surface_t *surface, double surface_x, double surface_y);
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tm_cairo_initialize () {
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if (tm_cairo_initialized) return tm_cairo_error;
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tm_cairo_initialized= true;
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#define CAIRO_LINK(a,b) b = a
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#define CAIRO_LINK(LIBFUNC,LOCALFUNC) \
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(void) symbol_install ("/usr/lib/cairo.so", #LIBFUNC , (pointer&) LOCALFUNC); \
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if (LOCALFUNC == NULL) return true;
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int status= debug_off ();
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CAIRO_LINK(cairo_move_to, tm_cairo_move_to);
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CAIRO_LINK(cairo_show_glyphs, tm_cairo_show_glyphs);
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CAIRO_LINK(cairo_font_face_status, tm_cairo_font_face_status);
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CAIRO_LINK(cairo_set_source_surface, tm_cairo_set_source_surface);
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CAIRO_LINK(cairo_new_path, tm_cairo_new_path);
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CAIRO_LINK(cairo_stroke, tm_cairo_stroke);
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CAIRO_LINK(cairo_font_face_set_user_data, tm_cairo_font_face_set_user_data);
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CAIRO_LINK(cairo_set_antialias, tm_cairo_set_antialias);
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CAIRO_LINK(cairo_set_font_size, tm_cairo_set_font_size);
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CAIRO_LINK(cairo_fill, tm_cairo_fill);
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CAIRO_LINK(cairo_set_source_rgba, tm_cairo_set_source_rgba);
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CAIRO_LINK(cairo_ps_surface_create, tm_cairo_ps_surface_create);
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CAIRO_LINK(cairo_status_to_string, tm_cairo_status_to_string);
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CAIRO_LINK(cairo_set_source_rgb, tm_cairo_set_source_rgb);
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CAIRO_LINK(cairo_close_path, tm_cairo_close_path);
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CAIRO_LINK(cairo_restore, tm_cairo_restore);
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CAIRO_LINK(cairo_translate, tm_cairo_translate);
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CAIRO_LINK(cairo_set_font_face, tm_cairo_set_font_face);
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CAIRO_LINK(cairo_font_face_destroy, tm_cairo_font_face_destroy);
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CAIRO_LINK(cairo_set_line_width, tm_cairo_set_line_width);
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CAIRO_LINK(cairo_image_surface_create_from_png, tm_cairo_image_surface_create_from_png);
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CAIRO_LINK(cairo_ft_font_face_create_for_ft_face, tm_cairo_ft_font_face_create_for_ft_face);
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CAIRO_LINK(cairo_image_surface_get_width, tm_cairo_image_surface_get_width);
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CAIRO_LINK(cairo_scale, tm_cairo_scale);
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CAIRO_LINK(cairo_mask, tm_cairo_mask);
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CAIRO_LINK(cairo_set_operator, tm_cairo_set_operator);
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CAIRO_LINK(cairo_image_surface_create, tm_cairo_image_surface_create);
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CAIRO_LINK(cairo_paint, tm_cairo_paint);
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CAIRO_LINK(cairo_rectangle, tm_cairo_rectangle);
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CAIRO_LINK(cairo_set_line_cap, tm_cairo_set_line_cap);
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CAIRO_LINK(cairo_set_line_join, tm_cairo_set_line_join);
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CAIRO_LINK(cairo_surface_reference, tm_cairo_surface_reference);
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CAIRO_LINK(cairo_line_to, tm_cairo_line_to);
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CAIRO_LINK(cairo_status, tm_cairo_status);
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CAIRO_LINK(cairo_show_page, tm_cairo_show_page);
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CAIRO_LINK(cairo_reference, tm_cairo_reference);
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CAIRO_LINK(cairo_create, tm_cairo_create);
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CAIRO_LINK(cairo_surface_destroy, tm_cairo_surface_destroy);
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CAIRO_LINK(cairo_set_fill_rule, tm_cairo_set_fill_rule);
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CAIRO_LINK(cairo_destroy, tm_cairo_destroy);
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CAIRO_LINK(cairo_save, tm_cairo_save);
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CAIRO_LINK(cairo_set_source, tm_cairo_set_source);
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CAIRO_LINK(cairo_image_surface_get_height, tm_cairo_image_surface_get_height);
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CAIRO_LINK(cairo_mask_surface, tm_cairo_mask_surface);
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if (DEBUG_AUTO) cout << "TeXmacs] With linked Cairo support\n";
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if (DEBUG_AUTO) cout << "TeXmacs] Installed Cairo support\n";
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tm_cairo_error= false;
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tm_cairo_present () {
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return !tm_cairo_initialize ();
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bool tm_cairo_initialize () { return true; }
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bool tm_cairo_present () { return false; }
added
removed
src/Plugins/Cairo/tm_cairo.cpp
