1 ! Copyright (c) 2007 Sampo Vuori
2 ! Copyright (c) 2008 Matthew Willis
6 ! Adapted from cairo.h, version 1.5.14
7 ! License: http://factorcode.org/license.txt
9 USING: system combinators alien alien.syntax alien.c-types
10 alien.destructors kernel accessors sequences arrays ui.gadgets
11 alien.libraries classes.struct ;
15 { [ os winnt? ] [ "cairo" "libcairo-2.dll" cdecl add-library ] }
16 { [ os macosx? ] [ "cairo" "/opt/local/lib/libcairo.dylib" cdecl add-library ] }
22 FUNCTION: int cairo_version ( ) ;
23 FUNCTION: c-string cairo_version_string ( ) ;
25 TYPEDEF: int cairo_bool_t
27 ! I am leaving these and other void* types as opaque structures
28 TYPEDEF: void* cairo_t
29 TYPEDEF: void* cairo_surface_t
31 STRUCT: cairo_matrix_t
39 TYPEDEF: void* cairo_pattern_t
41 TYPEDEF: void* cairo_destroy_func_t
42 : cairo-destroy-func ( quot -- callback )
43 [ void { pointer: void } cdecl ] dip alien-callback ; inline
45 ! See cairo.h for details
46 STRUCT: cairo_user_data_key_t
49 C-ENUM: cairo_status_t
51 CAIRO_STATUS_NO_MEMORY
52 CAIRO_STATUS_INVALID_RESTORE
53 CAIRO_STATUS_INVALID_POP_GROUP
54 CAIRO_STATUS_NO_CURRENT_POINT
55 CAIRO_STATUS_INVALID_MATRIX
56 CAIRO_STATUS_INVALID_STATUS
57 CAIRO_STATUS_NULL_POINTER
58 CAIRO_STATUS_INVALID_STRING
59 CAIRO_STATUS_INVALID_PATH_DATA
60 CAIRO_STATUS_READ_ERROR
61 CAIRO_STATUS_WRITE_ERROR
62 CAIRO_STATUS_SURFACE_FINISHED
63 CAIRO_STATUS_SURFACE_TYPE_MISMATCH
64 CAIRO_STATUS_PATTERN_TYPE_MISMATCH
65 CAIRO_STATUS_INVALID_CONTENT
66 CAIRO_STATUS_INVALID_FORMAT
67 CAIRO_STATUS_INVALID_VISUAL
68 CAIRO_STATUS_FILE_NOT_FOUND
69 CAIRO_STATUS_INVALID_DASH
70 CAIRO_STATUS_INVALID_DSC_COMMENT
71 CAIRO_STATUS_INVALID_INDEX
72 CAIRO_STATUS_CLIP_NOT_REPRESENTABLE
73 CAIRO_STATUS_TEMP_FILE_ERROR
74 CAIRO_STATUS_INVALID_STRIDE ;
76 TYPEDEF: int cairo_content_t
77 CONSTANT: CAIRO_CONTENT_COLOR HEX: 1000
78 CONSTANT: CAIRO_CONTENT_ALPHA HEX: 2000
79 CONSTANT: CAIRO_CONTENT_COLOR_ALPHA HEX: 3000
81 TYPEDEF: void* cairo_write_func_t
82 : cairo-write-func ( quot -- callback )
83 [ cairo_status_t { pointer: void c-string int } cdecl ] dip alien-callback ; inline
85 TYPEDEF: void* cairo_read_func_t
86 : cairo-read-func ( quot -- callback )
87 [ cairo_status_t { pointer: void c-string int } cdecl ] dip alien-callback ; inline
89 ! Functions for manipulating state objects
91 cairo_create ( cairo_surface_t* target ) ;
94 cairo_reference ( cairo_t* cr ) ;
97 cairo_destroy ( cairo_t* cr ) ;
99 DESTRUCTOR: cairo_destroy
102 cairo_get_reference_count ( cairo_t* cr ) ;
105 cairo_get_user_data ( cairo_t* cr, cairo_user_data_key_t* key ) ;
107 FUNCTION: cairo_status_t
108 cairo_set_user_data ( cairo_t* cr, cairo_user_data_key_t* key, void* user_data, cairo_destroy_func_t destroy ) ;
111 cairo_save ( cairo_t* cr ) ;
114 cairo_restore ( cairo_t* cr ) ;
117 cairo_push_group ( cairo_t* cr ) ;
120 cairo_push_group_with_content ( cairo_t* cr, cairo_content_t content ) ;
122 FUNCTION: cairo_pattern_t*
123 cairo_pop_group ( cairo_t* cr ) ;
126 cairo_pop_group_to_source ( cairo_t* cr ) ;
129 C-ENUM: cairo_operator_t
132 CAIRO_OPERATOR_SOURCE
139 CAIRO_OPERATOR_DEST_OVER
140 CAIRO_OPERATOR_DEST_IN
141 CAIRO_OPERATOR_DEST_OUT
142 CAIRO_OPERATOR_DEST_ATOP
146 CAIRO_OPERATOR_SATURATE ;
149 cairo_set_operator ( cairo_t* cr, cairo_operator_t op ) ;
152 cairo_set_source ( cairo_t* cr, cairo_pattern_t* source ) ;
155 cairo_set_source_rgb ( cairo_t* cr, double red, double green, double blue ) ;
158 cairo_set_source_rgba ( cairo_t* cr, double red, double green, double blue, double alpha ) ;
161 cairo_set_source_surface ( cairo_t* cr, cairo_surface_t* surface, double x, double y ) ;
164 cairo_set_tolerance ( cairo_t* cr, double tolerance ) ;
166 C-ENUM: cairo_antialias_t
167 CAIRO_ANTIALIAS_DEFAULT
170 CAIRO_ANTIALIAS_SUBPIXEL ;
173 cairo_set_antialias ( cairo_t* cr, cairo_antialias_t antialias ) ;
175 C-ENUM: cairo_fill_rule_t
176 CAIRO_FILL_RULE_WINDING
177 CAIRO_FILL_RULE_EVEN_ODD ;
180 cairo_set_fill_rule ( cairo_t* cr, cairo_fill_rule_t fill_rule ) ;
183 cairo_set_line_width ( cairo_t* cr, double width ) ;
185 C-ENUM: cairo_line_cap_t
188 CAIRO_LINE_CAP_SQUARE ;
191 cairo_set_line_cap ( cairo_t* cr, cairo_line_cap_t line_cap ) ;
193 C-ENUM: cairo_line_join_t
194 CAIRO_LINE_JOIN_MITER
195 CAIRO_LINE_JOIN_ROUND
196 CAIRO_LINE_JOIN_BEVEL ;
199 cairo_set_line_join ( cairo_t* cr, cairo_line_join_t line_join ) ;
202 cairo_set_dash ( cairo_t* cr, double* dashes, int num_dashes, double offset ) ;
205 cairo_set_miter_limit ( cairo_t* cr, double limit ) ;
208 cairo_translate ( cairo_t* cr, double tx, double ty ) ;
211 cairo_scale ( cairo_t* cr, double sx, double sy ) ;
214 cairo_rotate ( cairo_t* cr, double angle ) ;
217 cairo_transform ( cairo_t* cr, cairo_matrix_t* matrix ) ;
220 cairo_set_matrix ( cairo_t* cr, cairo_matrix_t* matrix ) ;
223 cairo_identity_matrix ( cairo_t* cr ) ;
226 cairo_user_to_device ( cairo_t* cr, double* x, double* y ) ;
229 cairo_user_to_device_distance ( cairo_t* cr, double* dx, double* dy ) ;
232 cairo_device_to_user ( cairo_t* cr, double* x, double* y ) ;
235 cairo_device_to_user_distance ( cairo_t* cr, double* dx, double* dy ) ;
237 ! Path creation functions
239 cairo_new_path ( cairo_t* cr ) ;
242 cairo_move_to ( cairo_t* cr, double x, double y ) ;
245 cairo_new_sub_path ( cairo_t* cr ) ;
248 cairo_line_to ( cairo_t* cr, double x, double y ) ;
251 cairo_curve_to ( cairo_t* cr, double x1, double y1, double x2, double y2, double x3, double y3 ) ;
254 cairo_arc ( cairo_t* cr, double xc, double yc, double radius, double angle1, double angle2 ) ;
257 cairo_arc_negative ( cairo_t* cr, double xc, double yc, double radius, double angle1, double angle2 ) ;
260 cairo_rel_move_to ( cairo_t* cr, double dx, double dy ) ;
263 cairo_rel_line_to ( cairo_t* cr, double dx, double dy ) ;
266 cairo_rel_curve_to ( cairo_t* cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3 ) ;
269 cairo_rectangle ( cairo_t* cr, double x, double y, double width, double height ) ;
272 cairo_close_path ( cairo_t* cr ) ;
275 cairo_path_extents ( cairo_t* cr, double* x1, double* y1, double* x2, double* y2 ) ;
279 cairo_paint ( cairo_t* cr ) ;
282 cairo_paint_with_alpha ( cairo_t* cr, double alpha ) ;
285 cairo_mask ( cairo_t* cr, cairo_pattern_t* pattern ) ;
288 cairo_mask_surface ( cairo_t* cr, cairo_surface_t* surface, double surface_x, double surface_y ) ;
291 cairo_stroke ( cairo_t* cr ) ;
294 cairo_stroke_preserve ( cairo_t* cr ) ;
297 cairo_fill ( cairo_t* cr ) ;
300 cairo_fill_preserve ( cairo_t* cr ) ;
303 cairo_copy_page ( cairo_t* cr ) ;
306 cairo_show_page ( cairo_t* cr ) ;
309 FUNCTION: cairo_bool_t
310 cairo_in_stroke ( cairo_t* cr, double x, double y ) ;
312 FUNCTION: cairo_bool_t
313 cairo_in_fill ( cairo_t* cr, double x, double y ) ;
315 ! Rectangular extents
317 cairo_stroke_extents ( cairo_t* cr, double* x1, double* y1, double* x2, double* y2 ) ;
320 cairo_fill_extents ( cairo_t* cr, double* x1, double* y1, double* x2, double* y2 ) ;
324 cairo_reset_clip ( cairo_t* cr ) ;
327 cairo_clip ( cairo_t* cr ) ;
330 cairo_clip_preserve ( cairo_t* cr ) ;
333 cairo_clip_extents ( cairo_t* cr, double* x1, double* y1, double* x2, double* y2 ) ;
335 STRUCT: cairo_rectangle_t
341 STRUCT: cairo_rectangle_list_t
342 { status cairo_status_t }
343 { rectangles cairo_rectangle_t* }
344 { num_rectangles int } ;
346 FUNCTION: cairo_rectangle_list_t*
347 cairo_copy_clip_rectangle_list ( cairo_t* cr ) ;
350 cairo_rectangle_list_destroy ( cairo_rectangle_list_t* rectangle_list ) ;
352 ! Font/Text functions
354 TYPEDEF: void* cairo_scaled_font_t
356 TYPEDEF: void* cairo_font_face_t
358 STRUCT: cairo_glyph_t
363 STRUCT: cairo_text_extents_t
369 { y_advance double } ;
371 STRUCT: cairo_font_extents_t
375 { max_x_advance double }
376 { max_y_advance double } ;
378 C-ENUM: cairo_font_slant_t
379 CAIRO_FONT_SLANT_NORMAL
380 CAIRO_FONT_SLANT_ITALIC
381 CAIRO_FONT_SLANT_OBLIQUE ;
383 C-ENUM: cairo_font_weight_t
384 CAIRO_FONT_WEIGHT_NORMAL
385 CAIRO_FONT_WEIGHT_BOLD ;
387 C-ENUM: cairo_subpixel_order_t
388 CAIRO_SUBPIXEL_ORDER_DEFAULT
389 CAIRO_SUBPIXEL_ORDER_RGB
390 CAIRO_SUBPIXEL_ORDER_BGR
391 CAIRO_SUBPIXEL_ORDER_VRGB
392 CAIRO_SUBPIXEL_ORDER_VBGR ;
394 C-ENUM: cairo_hint_style_t
395 CAIRO_HINT_STYLE_DEFAULT
396 CAIRO_HINT_STYLE_NONE
397 CAIRO_HINT_STYLE_SLIGHT
398 CAIRO_HINT_STYLE_MEDIUM
399 CAIRO_HINT_STYLE_FULL ;
401 C-ENUM: cairo_hint_metrics_t
402 CAIRO_HINT_METRICS_DEFAULT
403 CAIRO_HINT_METRICS_OFF
404 CAIRO_HINT_METRICS_ON ;
406 TYPEDEF: void* cairo_font_options_t
408 FUNCTION: cairo_font_options_t*
409 cairo_font_options_create ( ) ;
411 FUNCTION: cairo_font_options_t*
412 cairo_font_options_copy ( cairo_font_options_t* original ) ;
415 cairo_font_options_destroy ( cairo_font_options_t* options ) ;
417 FUNCTION: cairo_status_t
418 cairo_font_options_status ( cairo_font_options_t* options ) ;
421 cairo_font_options_merge ( cairo_font_options_t* options, cairo_font_options_t* other ) ;
423 FUNCTION: cairo_bool_t
424 cairo_font_options_equal ( cairo_font_options_t* options, cairo_font_options_t* other ) ;
427 cairo_font_options_hash ( cairo_font_options_t* options ) ;
430 cairo_font_options_set_antialias ( cairo_font_options_t* options, cairo_antialias_t antialias ) ;
432 FUNCTION: cairo_antialias_t
433 cairo_font_options_get_antialias ( cairo_font_options_t* options ) ;
436 cairo_font_options_set_subpixel_order ( cairo_font_options_t* options, cairo_subpixel_order_t subpixel_order ) ;
438 FUNCTION: cairo_subpixel_order_t
439 cairo_font_options_get_subpixel_order ( cairo_font_options_t* options ) ;
442 cairo_font_options_set_hint_style ( cairo_font_options_t* options, cairo_hint_style_t hint_style ) ;
444 FUNCTION: cairo_hint_style_t
445 cairo_font_options_get_hint_style ( cairo_font_options_t* options ) ;
448 cairo_font_options_set_hint_metrics ( cairo_font_options_t* options, cairo_hint_metrics_t hint_metrics ) ;
450 FUNCTION: cairo_hint_metrics_t
451 cairo_font_options_get_hint_metrics ( cairo_font_options_t* options ) ;
453 ! This interface is for dealing with text as text, not caring about the
454 ! font object inside the the cairo_t.
457 cairo_select_font_face ( cairo_t* cr, c-string family, cairo_font_slant_t slant, cairo_font_weight_t weight ) ;
460 cairo_set_font_size ( cairo_t* cr, double size ) ;
463 cairo_set_font_matrix ( cairo_t* cr, cairo_matrix_t* matrix ) ;
466 cairo_get_font_matrix ( cairo_t* cr, cairo_matrix_t* matrix ) ;
469 cairo_set_font_options ( cairo_t* cr, cairo_font_options_t* options ) ;
472 cairo_get_font_options ( cairo_t* cr, cairo_font_options_t* options ) ;
475 cairo_set_font_face ( cairo_t* cr, cairo_font_face_t* font_face ) ;
477 FUNCTION: cairo_font_face_t*
478 cairo_get_font_face ( cairo_t* cr ) ;
481 cairo_set_scaled_font ( cairo_t* cr, cairo_scaled_font_t* scaled_font ) ;
483 FUNCTION: cairo_scaled_font_t*
484 cairo_get_scaled_font ( cairo_t* cr ) ;
487 cairo_show_text ( cairo_t* cr, c-string utf8 ) ;
490 cairo_show_glyphs ( cairo_t* cr, cairo_glyph_t* glyphs, int num_glyphs ) ;
493 cairo_text_path ( cairo_t* cr, c-string utf8 ) ;
496 cairo_glyph_path ( cairo_t* cr, cairo_glyph_t* glyphs, int num_glyphs ) ;
499 cairo_text_extents ( cairo_t* cr, c-string utf8, cairo_text_extents_t* extents ) ;
502 cairo_glyph_extents ( cairo_t* cr, cairo_glyph_t* glyphs, int num_glyphs, cairo_text_extents_t* extents ) ;
505 cairo_font_extents ( cairo_t* cr, cairo_font_extents_t* extents ) ;
507 ! Generic identifier for a font style
509 FUNCTION: cairo_font_face_t*
510 cairo_font_face_reference ( cairo_font_face_t* font_face ) ;
513 cairo_font_face_destroy ( cairo_font_face_t* font_face ) ;
516 cairo_font_face_get_reference_count ( cairo_font_face_t* font_face ) ;
518 FUNCTION: cairo_status_t
519 cairo_font_face_status ( cairo_font_face_t* font_face ) ;
521 C-ENUM: cairo_font_type_t
524 CAIRO_FONT_TYPE_WIN32
525 CAIRO_FONT_TYPE_QUARTZ ;
527 FUNCTION: cairo_font_type_t
528 cairo_font_face_get_type ( cairo_font_face_t* font_face ) ;
531 cairo_font_face_get_user_data ( cairo_font_face_t* font_face, cairo_user_data_key_t* key ) ;
533 FUNCTION: cairo_status_t
534 cairo_font_face_set_user_data ( cairo_font_face_t* font_face, cairo_user_data_key_t* key, void* user_data, cairo_destroy_func_t destroy ) ;
536 ! Portable interface to general font features.
538 FUNCTION: cairo_scaled_font_t*
539 cairo_scaled_font_create ( cairo_font_face_t* font_face, cairo_matrix_t* font_matrix, cairo_matrix_t* ctm, cairo_font_options_t* options ) ;
541 FUNCTION: cairo_scaled_font_t*
542 cairo_scaled_font_reference ( cairo_scaled_font_t* scaled_font ) ;
545 cairo_scaled_font_destroy ( cairo_scaled_font_t* scaled_font ) ;
548 cairo_scaled_font_get_reference_count ( cairo_scaled_font_t* scaled_font ) ;
550 FUNCTION: cairo_status_t
551 cairo_scaled_font_status ( cairo_scaled_font_t* scaled_font ) ;
553 FUNCTION: cairo_font_type_t
554 cairo_scaled_font_get_type ( cairo_scaled_font_t* scaled_font ) ;
557 cairo_scaled_font_get_user_data ( cairo_scaled_font_t* scaled_font, cairo_user_data_key_t* key ) ;
559 FUNCTION: cairo_status_t
560 cairo_scaled_font_set_user_data ( cairo_scaled_font_t* scaled_font, cairo_user_data_key_t* key, void* user_data, cairo_destroy_func_t destroy ) ;
563 cairo_scaled_font_extents ( cairo_scaled_font_t* scaled_font, cairo_font_extents_t* extents ) ;
566 cairo_scaled_font_text_extents ( cairo_scaled_font_t* scaled_font, c-string utf8, cairo_text_extents_t* extents ) ;
569 cairo_scaled_font_glyph_extents ( cairo_scaled_font_t* scaled_font, cairo_glyph_t* glyphs, int num_glyphs, cairo_text_extents_t* extents ) ;
571 FUNCTION: cairo_font_face_t*
572 cairo_scaled_font_get_font_face ( cairo_scaled_font_t* scaled_font ) ;
575 cairo_scaled_font_get_font_matrix ( cairo_scaled_font_t* scaled_font, cairo_matrix_t* font_matrix ) ;
578 cairo_scaled_font_get_ctm ( cairo_scaled_font_t* scaled_font, cairo_matrix_t* ctm ) ;
581 cairo_scaled_font_get_font_options ( cairo_scaled_font_t* scaled_font, cairo_font_options_t* options ) ;
585 FUNCTION: cairo_operator_t
586 cairo_get_operator ( cairo_t* cr ) ;
588 FUNCTION: cairo_pattern_t*
589 cairo_get_source ( cairo_t* cr ) ;
592 cairo_get_tolerance ( cairo_t* cr ) ;
594 FUNCTION: cairo_antialias_t
595 cairo_get_antialias ( cairo_t* cr ) ;
597 FUNCTION: cairo_bool_t
598 cairo_has_current_point ( cairo_t* cr ) ;
601 cairo_get_current_point ( cairo_t* cr, double* x, double* y ) ;
603 FUNCTION: cairo_fill_rule_t
604 cairo_get_fill_rule ( cairo_t* cr ) ;
607 cairo_get_line_width ( cairo_t* cr ) ;
609 FUNCTION: cairo_line_cap_t
610 cairo_get_line_cap ( cairo_t* cr ) ;
612 FUNCTION: cairo_line_join_t
613 cairo_get_line_join ( cairo_t* cr ) ;
616 cairo_get_miter_limit ( cairo_t* cr ) ;
619 cairo_get_dash_count ( cairo_t* cr ) ;
622 cairo_get_dash ( cairo_t* cr, double* dashes, double* offset ) ;
625 cairo_get_matrix ( cairo_t* cr, cairo_matrix_t* matrix ) ;
627 FUNCTION: cairo_surface_t*
628 cairo_get_target ( cairo_t* cr ) ;
630 FUNCTION: cairo_surface_t*
631 cairo_get_group_target ( cairo_t* cr ) ;
633 C-ENUM: cairo_path_data_type_t
637 CAIRO_PATH_CLOSE_PATH ;
639 ! NEED TO DO UNION HERE
640 STRUCT: cairo_path_data_t-point
644 STRUCT: cairo_path_data_t-header
645 { type cairo_path_data_type_t }
648 UNION-STRUCT: cairo_path_data_t
649 { point cairo_path_data_t-point }
650 { header cairo_path_data_t-header } ;
653 { status cairo_status_t }
654 { data cairo_path_data_t* }
657 FUNCTION: cairo_path_t*
658 cairo_copy_path ( cairo_t* cr ) ;
660 FUNCTION: cairo_path_t*
661 cairo_copy_path_flat ( cairo_t* cr ) ;
664 cairo_append_path ( cairo_t* cr, cairo_path_t* path ) ;
667 cairo_path_destroy ( cairo_path_t* path ) ;
669 ! Error status queries
671 FUNCTION: cairo_status_t
672 cairo_status ( cairo_t* cr ) ;
675 cairo_status_to_string ( cairo_status_t status ) ;
677 ! Surface manipulation
679 FUNCTION: cairo_surface_t*
680 cairo_surface_create_similar ( cairo_surface_t* other, cairo_content_t content, int width, int height ) ;
682 FUNCTION: cairo_surface_t*
683 cairo_surface_reference ( cairo_surface_t* surface ) ;
686 cairo_surface_finish ( cairo_surface_t* surface ) ;
689 cairo_surface_destroy ( cairo_surface_t* surface ) ;
691 DESTRUCTOR: cairo_surface_destroy
694 cairo_surface_get_reference_count ( cairo_surface_t* surface ) ;
696 FUNCTION: cairo_status_t
697 cairo_surface_status ( cairo_surface_t* surface ) ;
699 C-ENUM: cairo_surface_type_t
700 CAIRO_SURFACE_TYPE_IMAGE
701 CAIRO_SURFACE_TYPE_PDF
702 CAIRO_SURFACE_TYPE_PS
703 CAIRO_SURFACE_TYPE_XLIB
704 CAIRO_SURFACE_TYPE_XCB
705 CAIRO_SURFACE_TYPE_GLITZ
706 CAIRO_SURFACE_TYPE_QUARTZ
707 CAIRO_SURFACE_TYPE_WIN32
708 CAIRO_SURFACE_TYPE_BEOS
709 CAIRO_SURFACE_TYPE_DIRECTFB
710 CAIRO_SURFACE_TYPE_SVG
711 CAIRO_SURFACE_TYPE_OS2
712 CAIRO_SURFACE_TYPE_WIN32_PRINTING
713 CAIRO_SURFACE_TYPE_QUARTZ_IMAGE ;
715 FUNCTION: cairo_surface_type_t
716 cairo_surface_get_type ( cairo_surface_t* surface ) ;
718 FUNCTION: cairo_content_t
719 cairo_surface_get_content ( cairo_surface_t* surface ) ;
721 FUNCTION: cairo_status_t
722 cairo_surface_write_to_png ( cairo_surface_t* surface, c-string filename ) ;
724 FUNCTION: cairo_status_t
725 cairo_surface_write_to_png_stream ( cairo_surface_t* surface, cairo_write_func_t write_func, void* closure ) ;
728 cairo_surface_get_user_data ( cairo_surface_t* surface, cairo_user_data_key_t* key ) ;
730 FUNCTION: cairo_status_t
731 cairo_surface_set_user_data ( cairo_surface_t* surface, cairo_user_data_key_t* key, void* user_data, cairo_destroy_func_t destroy ) ;
734 cairo_surface_get_font_options ( cairo_surface_t* surface, cairo_font_options_t* options ) ;
737 cairo_surface_flush ( cairo_surface_t* surface ) ;
740 cairo_surface_mark_dirty ( cairo_surface_t* surface ) ;
743 cairo_surface_mark_dirty_rectangle ( cairo_surface_t* surface, int x, int y, int width, int height ) ;
746 cairo_surface_set_device_offset ( cairo_surface_t* surface, double x_offset, double y_offset ) ;
749 cairo_surface_get_device_offset ( cairo_surface_t* surface, double* x_offset, double* y_offset ) ;
752 cairo_surface_set_fallback_resolution ( cairo_surface_t* surface, double x_pixels_per_inch, double y_pixels_per_inch ) ;
755 cairo_surface_copy_page ( cairo_surface_t* surface ) ;
758 cairo_surface_show_page ( cairo_surface_t* surface ) ;
760 ! Image-surface functions
762 C-ENUM: cairo_format_t
767 CAIRO_FORMAT_RGB16_565 ;
769 FUNCTION: cairo_surface_t*
770 cairo_image_surface_create ( cairo_format_t format, int width, int height ) ;
773 cairo_format_stride_for_width ( cairo_format_t format, int width ) ;
775 FUNCTION: cairo_surface_t*
776 cairo_image_surface_create_for_data ( char* data, cairo_format_t format, int width, int height, int stride ) ;
779 cairo_image_surface_get_data ( cairo_surface_t* surface ) ;
781 FUNCTION: cairo_format_t
782 cairo_image_surface_get_format ( cairo_surface_t* surface ) ;
785 cairo_image_surface_get_width ( cairo_surface_t* surface ) ;
788 cairo_image_surface_get_height ( cairo_surface_t* surface ) ;
791 cairo_image_surface_get_stride ( cairo_surface_t* surface ) ;
793 FUNCTION: cairo_surface_t*
794 cairo_image_surface_create_from_png ( c-string filename ) ;
796 FUNCTION: cairo_surface_t*
797 cairo_image_surface_create_from_png_stream ( cairo_read_func_t read_func, void* closure ) ;
799 ! Pattern creation functions
801 FUNCTION: cairo_pattern_t*
802 cairo_pattern_create_rgb ( double red, double green, double blue ) ;
804 FUNCTION: cairo_pattern_t*
805 cairo_pattern_create_rgba ( double red, double green, double blue, double alpha ) ;
807 FUNCTION: cairo_pattern_t*
808 cairo_pattern_create_for_surface ( cairo_surface_t* surface ) ;
810 FUNCTION: cairo_pattern_t*
811 cairo_pattern_create_linear ( double x0, double y0, double x1, double y1 ) ;
813 FUNCTION: cairo_pattern_t*
814 cairo_pattern_create_radial ( double cx0, double cy0, double radius0, double cx1, double cy1, double radius1 ) ;
816 FUNCTION: cairo_pattern_t*
817 cairo_pattern_reference ( cairo_pattern_t* pattern ) ;
820 cairo_pattern_destroy ( cairo_pattern_t* pattern ) ;
823 cairo_pattern_get_reference_count ( cairo_pattern_t* pattern ) ;
825 FUNCTION: cairo_status_t
826 cairo_pattern_status ( cairo_pattern_t* pattern ) ;
829 cairo_pattern_get_user_data ( cairo_pattern_t* pattern, cairo_user_data_key_t* key ) ;
831 FUNCTION: cairo_status_t
832 cairo_pattern_set_user_data ( cairo_pattern_t* pattern, cairo_user_data_key_t* key, void* user_data, cairo_destroy_func_t destroy ) ;
834 C-ENUM: cairo_pattern_type_t
835 CAIRO_PATTERN_TYPE_SOLID
836 CAIRO_PATTERN_TYPE_SURFACE
837 CAIRO_PATTERN_TYPE_LINEAR
838 CAIRO_PATTERN_TYPE_RADIA ;
840 FUNCTION: cairo_pattern_type_t
841 cairo_pattern_get_type ( cairo_pattern_t* pattern ) ;
844 cairo_pattern_add_color_stop_rgb ( cairo_pattern_t* pattern, double offset, double red, double green, double blue ) ;
847 cairo_pattern_add_color_stop_rgba ( cairo_pattern_t* pattern, double offset, double red, double green, double blue, double alpha ) ;
850 cairo_pattern_set_matrix ( cairo_pattern_t* pattern, cairo_matrix_t* matrix ) ;
853 cairo_pattern_get_matrix ( cairo_pattern_t* pattern, cairo_matrix_t* matrix ) ;
855 C-ENUM: cairo_extend_t
862 cairo_pattern_set_extend ( cairo_pattern_t* pattern, cairo_extend_t extend ) ;
864 FUNCTION: cairo_extend_t
865 cairo_pattern_get_extend ( cairo_pattern_t* pattern ) ;
867 C-ENUM: cairo_filter_t
872 CAIRO_FILTER_BILINEAR
873 CAIRO_FILTER_GAUSSIAN ;
876 cairo_pattern_set_filter ( cairo_pattern_t* pattern, cairo_filter_t filter ) ;
878 FUNCTION: cairo_filter_t
879 cairo_pattern_get_filter ( cairo_pattern_t* pattern ) ;
881 FUNCTION: cairo_status_t
882 cairo_pattern_get_rgba ( cairo_pattern_t* pattern, double* red, double* green, double* blue, double* alpha ) ;
884 FUNCTION: cairo_status_t
885 cairo_pattern_get_surface ( cairo_pattern_t* pattern, cairo_surface_t** surface ) ;
887 FUNCTION: cairo_status_t
888 cairo_pattern_get_color_stop_rgba ( cairo_pattern_t* pattern, int index, double* offset, double* red, double* green, double* blue, double* alpha ) ;
890 FUNCTION: cairo_status_t
891 cairo_pattern_get_color_stop_count ( cairo_pattern_t* pattern, int* count ) ;
893 FUNCTION: cairo_status_t
894 cairo_pattern_get_linear_points ( cairo_pattern_t* pattern, double* x0, double* y0, double* x1, double* y1 ) ;
896 FUNCTION: cairo_status_t
897 cairo_pattern_get_radial_circles ( cairo_pattern_t* pattern, double* x0, double* y0, double* r0, double* x1, double* y1, double* r1 ) ;
902 cairo_matrix_init ( cairo_matrix_t* matrix, double xx, double yx, double xy, double yy, double x0, double y0 ) ;
905 cairo_matrix_init_identity ( cairo_matrix_t* matrix ) ;
908 cairo_matrix_init_translate ( cairo_matrix_t* matrix, double tx, double ty ) ;
911 cairo_matrix_init_scale ( cairo_matrix_t* matrix, double sx, double sy ) ;
914 cairo_matrix_init_rotate ( cairo_matrix_t* matrix, double radians ) ;
917 cairo_matrix_translate ( cairo_matrix_t* matrix, double tx, double ty ) ;
920 cairo_matrix_scale ( cairo_matrix_t* matrix, double sx, double sy ) ;
923 cairo_matrix_rotate ( cairo_matrix_t* matrix, double radians ) ;
925 FUNCTION: cairo_status_t
926 cairo_matrix_invert ( cairo_matrix_t* matrix ) ;
929 cairo_matrix_multiply ( cairo_matrix_t* result, cairo_matrix_t* a, cairo_matrix_t* b ) ;
932 cairo_matrix_transform_distance ( cairo_matrix_t* matrix, double* dx, double* dy ) ;
935 cairo_matrix_transform_point ( cairo_matrix_t* matrix, double* x, double* y ) ;
937 ! Functions to be used while debugging (not intended for use in production code)
939 cairo_debug_reset_static_data ( ) ;