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Overview
Comment:cairo ffi improvements
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 342d9b1e941e4f5eb05775b679d3fdf92914d899
User & Date: aldo 2016-12-15 01:14:13
Context
2017-01-11
16:37
added srfi 113 sets&bags, srfi 128 comparators check-in: 07be5132aa user: aldo tags: trunk
2016-12-15
01:14
cairo ffi improvements check-in: 342d9b1e94 user: aldo tags: trunk
2016-12-14
17:03
updated sdl2 README check-in: c8794bb797 user: aldo tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to cairo.sls. 

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  cairo-pdf-surface-create cairo-pdf-surface-create-for-stream
  cairo-pdf-surface-restrict-to-version cairo-pdf-get-versions
  cairo-pdf-version-to-string cairo-pdf-surface-set-size

  cairo-set-source-color
  color-r color-g color-b color-a
  make-color color?


  cairo-bool-t
  cairo-t
  cairo-surface-t

  cairo-device-t
  cairo-matrix-t
  cairo-pattern-t
  cairo-destroy-func-t
  cairo-user-data-key-t
  cairo-status-t
  cairo-content-t
................................................................................
  cairo-line-join-t
  double-array
  cairo-rectangle-t
  cairo-rectangle-list-t
  cairo-scaled-font-t
  cairo-font-face-t
  cairo-glyph-t

  cairo-text-cluster-t

  cairo-text-cluster-flags-t
  cairo-text-extents-t
  cairo-font-extents-t
  cairo-font-slant-t
  cairo-font-weight-t
  cairo-subpixel-order-t
  cairo-hint-style-t
................................................................................
  cairo-path-data-t
  cairo-path-t
  cairo-device-type-t
  cairo-surface-observer-mode-t
  cairo-surface-observer-callback-t
  cairo-surface-type-t
  cairo-raster-source-acquire-func-t

  cairo-raster-source-release-func-t

  cairo-raster-source-snapshot-func-t
  cairo-raster-source-copy-func-t
  cairo-raster-source-finish-func-t
  cairo-pattern-type-t
  cairo-extend-t
  cairo-filter-t
  cairo-region-t
  cairo-region-overlap-t
  cairo-pdf-version-t

					;enums
  cairo-status-enum
  cairo-format
  cairo-operator
  cairo-antialias
  cairo-fill-rule
  cairo-line-cap
................................................................................
  cairo-extend
  cairo-filter
  cairo-region-overlap
  ;; ALLOCATORS	 
  cairo-rectangle-create
  cairo-rectangle-list-create
  cairo-glyph-create

  cairo-text-cluster-create

  cairo-text-extents-create

  cairo-font-extents-create
  cairo-path-create
  double-array-create 
  double-array-create-from-vector

  cairo-matrix-create



  cairo-guardian
  cairo-free-garbage
  cairo-guard-pointer

  with-cairo
  let-struct
  )
 (import (chezscheme) (ffi-utils))
 
 (include "cairo/ffi-utils.ss")

 (define (cairo-library-init . t) (load-shared-object (if (null? t) "libcairo.so.2.11502.0" (car t))))

 (include "cairo/types.ss")

 (define cairo-guardian (make-guardian))
 (define (cairo-guard-pointer obj) 
   (cairo-free-garbage) 
   (cairo-guardian obj)
   obj)

 (define (cairo-free-garbage)
   (let loop ([p (cairo-guardian)])
     (when p
	   (when (ftype-pointer? p)
		 (printf "cairo-free-garbage: freeing memory at ~x\n" p)
		 ;;[(ftype-pointer? usb-device*-array p)
		 (cond 
		  [(ftype-pointer? cairo-t p) (cairo-destroy p)]
		  [(ftype-pointer? cairo-surface-t p) (cairo-surface-destroy p)]
		  [(ftype-pointer? cairo-pattern-t p) (cairo-pattern-destroy p)]
		  [(ftype-pointer? cairo-region-t p) (cairo-region-destroy p)]
		  [(ftype-pointer? cairo-rectangle-list-t p) (cairo-rectangle-list-destroy p)]
		  [(ftype-pointer? cairo-font-options-t p) (cairo-font-options-destroy p)]
		  [(ftype-pointer? cairo-font-face-t p) (cairo-font-face-destroy p)]
		  ;[(ftype-pointer? cairo-scaled-font-t p) (cairo-scaled-font-destroy p)]
		  [(ftype-pointer? cairo-path-t p) (cairo-path-destroy p)]
		  [(ftype-pointer? cairo-device-t p) (cairo-device-destroy p)]


		  [else
		   (foreign-free (ftype-pointer-address p))]
		  ))
	   (loop (cairo-guardian)))))		

(include "cairo/cairo-functions.ss")


(include "cairo/cairo-pdf-functions.ss")

(define-record-type (color mkcolor color?) 
  (fields r g b a))

(define make-color








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  cairo-pdf-surface-create cairo-pdf-surface-create-for-stream
  cairo-pdf-surface-restrict-to-version cairo-pdf-get-versions
  cairo-pdf-version-to-string cairo-pdf-surface-set-size

  cairo-set-source-color
  color-r color-g color-b color-a
  make-color color?
  
  unsigned-8*
  cairo-bool-t
  cairo-t
  cairo-surface-t
  cairo-surface-t*
  cairo-device-t
  cairo-matrix-t
  cairo-pattern-t
  cairo-destroy-func-t
  cairo-user-data-key-t
  cairo-status-t
  cairo-content-t
................................................................................
  cairo-line-join-t
  double-array
  cairo-rectangle-t
  cairo-rectangle-list-t
  cairo-scaled-font-t
  cairo-font-face-t
  cairo-glyph-t
  cairo-glyph-t*
  cairo-text-cluster-t
  cairo-text-cluster-t*
  cairo-text-cluster-flags-t
  cairo-text-extents-t
  cairo-font-extents-t
  cairo-font-slant-t
  cairo-font-weight-t
  cairo-subpixel-order-t
  cairo-hint-style-t
................................................................................
  cairo-path-data-t
  cairo-path-t
  cairo-device-type-t
  cairo-surface-observer-mode-t
  cairo-surface-observer-callback-t
  cairo-surface-type-t
  cairo-raster-source-acquire-func-t
  cairo-raster-source-acquire-func-t*
  cairo-raster-source-release-func-t
  cairo-raster-source-release-func-t*
  cairo-raster-source-snapshot-func-t
  cairo-raster-source-copy-func-t
  cairo-raster-source-finish-func-t
  cairo-pattern-type-t
  cairo-extend-t
  cairo-filter-t
  cairo-region-t
  cairo-region-overlap-t
  cairo-pdf-version-t
  cairo-pdf-version-t*
					;enums
  cairo-status-enum
  cairo-format
  cairo-operator
  cairo-antialias
  cairo-fill-rule
  cairo-line-cap
................................................................................
  cairo-extend
  cairo-filter
  cairo-region-overlap
  ;; ALLOCATORS	 
  cairo-rectangle-create
  cairo-rectangle-list-create
  cairo-glyph-create
  cairo-glyph*-create
  cairo-text-cluster-create
  cairo-text-cluster*-create
  cairo-text-extents-create
  cairo-text-cluster-flags-create
  cairo-font-extents-create
  cairo-path-create
  double-array-create 
  double-array-create-from-vector

  cairo-matrix-create

  cairo-int-create
  cairo-void*-create
  cairo-guardian
  cairo-free-garbage
  cairo-guard-pointer

  with-cairo
  let-struct
  )
 (import (chezscheme) (ffi-utils))
 
 (include "cairo/ffi-utils.ss")

 (define (cairo-library-init . t) (load-shared-object (if (null? t) "libcairo.so.2" (car t))))

 (include "cairo/types.ss")

 (define cairo-guardian (make-guardian))
 (define (cairo-guard-pointer obj) 
   (cairo-free-garbage) 
   (cairo-guardian obj)
   obj)
 (include "cairo/cairo-functions.ss")
 (define (cairo-free-garbage)
   (let loop ([p (cairo-guardian)])
     (when p
	   (when (ftype-pointer? p)
		 ;(printf "cairo-free-garbage: freeing memory at ~x\n" p)
		 ;;[(ftype-pointer? usb-device*-array p)
		 (cond 
		  [(ftype-pointer? cairo-t p) (cairo-destroy p)]
		  [(ftype-pointer? cairo-surface-t p) (cairo-surface-destroy p)]
		  [(ftype-pointer? cairo-pattern-t p) (cairo-pattern-destroy p)]
		  [(ftype-pointer? cairo-region-t p) (void)]; (cairo-region-destroy p)]
		  [(ftype-pointer? cairo-rectangle-list-t p) (cairo-rectangle-list-destroy p)]
		  [(ftype-pointer? cairo-font-options-t p) (cairo-font-options-destroy p)]
		  [(ftype-pointer? cairo-font-face-t p) (cairo-font-face-destroy p)]
		  [(ftype-pointer? cairo-scaled-font-t p) (cairo-scaled-font-destroy p)]
		  [(ftype-pointer? cairo-path-t p) (cairo-path-destroy p)]
		  [(ftype-pointer? cairo-device-t p) (cairo-device-destroy p)]
		  [(ftype-pointer? cairo-glyph-t p) (cairo-glyph-free p)]
		  [(ftype-pointer? cairo-text-cluster-t p) (cairo-text-cluster-free p)]
		  [else
		   (foreign-free (ftype-pointer-address p))]
		  ))
	   (loop (cairo-guardian)))))




(include "cairo/cairo-pdf-functions.ss")

(define-record-type (color mkcolor color?) 
  (fields r g b a))

(define make-color

Changes to cairo/cairo-functions.ss. 

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(define-cairo-func cairo-status-t cairo-scaled-font-status ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_status")
(define-cairo-func cairo-font-type-t cairo-scaled-font-get-type ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_get_type")
(define-cairo-func void* cairo-scaled-font-get-user-data ((scaled_font (* cairo-scaled-font-t)) (key (* cairo-user-data-key-t))) "cairo_scaled_font_get_user_data")
(define-cairo-func cairo-status-t cairo-scaled-font-set-user-data ((scaled_font (* cairo-scaled-font-t)) (key (* cairo-user-data-key-t)) (user_data void*) (destroy cairo-destroy-func-t)) "cairo_scaled_font_set_user_data")
(define-cairo-func void cairo-scaled-font-extents ((scaled_font (* cairo-scaled-font-t)) (extents (* cairo-font-extents-t))) "cairo_scaled_font_extents")
(define-cairo-func void cairo-scaled-font-text-extents ((scaled_font (* cairo-scaled-font-t)) (utf8 string) (extents (* cairo-text-extents-t))) "cairo_scaled_font_text_extents")
(define-cairo-func void cairo-scaled-font-glyph-extents ((scaled_font (* cairo-scaled-font-t)) (glyphs (* cairo-glyph-t)) (num_glyphs int) (extents (* cairo-text-extents-t))) "cairo_scaled_font_glyph_extents")
(define-cairo-func cairo-status-t cairo-scaled-font-text-to-glyphs ((scaled_font (* cairo-scaled-font-t)) (x double) (y double) (utf8 string) (utf8_len int) (glyphs (* cairo-glyph-t)) (num_glyphs (* int)) (clusters (* cairo-text-cluster-t)) (num_clusters (* int)) (cluster_flags (* cairo-text-cluster-flags-t))) "cairo_scaled_font_text_to_glyphs")
(define-cairo-func (* cairo-font-face-t) cairo-scaled-font-get-font-face ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_get_font_face")
(define-cairo-func void cairo-scaled-font-get-font-matrix ((scaled_font (* cairo-scaled-font-t)) (font_matrix (* cairo-matrix-t))) "cairo_scaled_font_get_font_matrix")
(define-cairo-func void cairo-scaled-font-get-ctm ((scaled_font (* cairo-scaled-font-t)) (ctm (* cairo-matrix-t))) "cairo_scaled_font_get_ctm")
(define-cairo-func void cairo-scaled-font-get-scale-matrix ((scaled_font (* cairo-scaled-font-t)) (scale_matrix (* cairo-matrix-t))) "cairo_scaled_font_get_scale_matrix")
(define-cairo-func void cairo-scaled-font-get-font-options ((scaled_font (* cairo-scaled-font-t)) (options (* cairo-font-options-t))) "cairo_scaled_font_get_font_options")
(define-cairo-func (* cairo-font-face-t) cairo-toy-font-face-create ((family string) (slant cairo-font-slant-t) (weight cairo-font-weight-t)) "cairo_toy_font_face_create")
(define-cairo-func string cairo-toy-font-face-get-family ((font_face (* cairo-font-face-t))) "cairo_toy_font_face_get_family")
................................................................................
(define-cairo-func cairo-status-t cairo-surface-status ((surface (* cairo-surface-t))) "cairo_surface_status")
(define-cairo-func cairo-surface-type-t cairo-surface-get-type ((surface (* cairo-surface-t))) "cairo_surface_get_type")
(define-cairo-func cairo-content-t cairo-surface-get-content ((surface (* cairo-surface-t))) "cairo_surface_get_content")
(define-cairo-func cairo-status-t cairo-surface-write-to-png ((surface (* cairo-surface-t)) (filename string)) "cairo_surface_write_to_png")
(define-cairo-func cairo-status-t cairo-surface-write-to-png-stream ((surface (* cairo-surface-t)) (write_func (* cairo-write-func-t)) (closure void*)) "cairo_surface_write_to_png_stream")
(define-cairo-func void* cairo-surface-get-user-data ((surface (* cairo-surface-t)) (key (* cairo-user-data-key-t))) "cairo_surface_get_user_data")
(define-cairo-func cairo-status-t cairo-surface-set-user-data ((surface (* cairo-surface-t)) (key (* cairo-user-data-key-t)) (user_data void*) (destroy cairo-destroy-func-t)) "cairo_surface_set_user_data")
(define-cairo-func void cairo-surface-get-mime-data ((surface (* cairo-surface-t)) (mime_type string) (data (* unsigned-8)) (length (* unsigned-long))) "cairo_surface_get_mime_data")
(define-cairo-func cairo-status-t cairo-surface-set-mime-data ((surface (* cairo-surface-t)) (mime_type string) (data (* unsigned-8)) (length unsigned-long) (destroy cairo-destroy-func-t) (closure void*)) "cairo_surface_set_mime_data")
(define-cairo-func cairo-bool-t cairo-surface-supports-mime-type ((surface (* cairo-surface-t)) (mime_type string)) "cairo_surface_supports_mime_type")
(define-cairo-func void cairo-surface-get-font-options ((surface (* cairo-surface-t)) (options (* cairo-font-options-t))) "cairo_surface_get_font_options")
(define-cairo-func void cairo-surface-flush ((surface (* cairo-surface-t))) "cairo_surface_flush")
(define-cairo-func void cairo-surface-mark-dirty ((surface (* cairo-surface-t))) "cairo_surface_mark_dirty")
(define-cairo-func void cairo-surface-mark-dirty-rectangle ((surface (* cairo-surface-t)) (x int) (y int) (width int) (height int)) "cairo_surface_mark_dirty_rectangle")
(define-cairo-func void cairo-surface-set-device-scale ((surface (* cairo-surface-t)) (x_scale double) (y_scale double)) "cairo_surface_set_device_scale")
................................................................................
(define-cairo-func (* cairo-surface-t) cairo-recording-surface-create ((content cairo-content-t) (extents (* cairo-rectangle-t))) "cairo_recording_surface_create")
(define-cairo-func void cairo-recording-surface-ink-extents ((surface (* cairo-surface-t)) (x0 (* double)) (y0 (* double)) (width (* double)) (height (* double))) "cairo_recording_surface_ink_extents")
(define-cairo-func cairo-bool-t cairo-recording-surface-get-extents ((surface (* cairo-surface-t)) (extents (* cairo-rectangle-t))) "cairo_recording_surface_get_extents")
(define-cairo-func (* cairo-pattern-t) cairo-pattern-create-raster-source ((user_data void*) (content cairo-content-t) (width int) (height int)) "cairo_pattern_create_raster_source")
(define-cairo-func void cairo-raster-source-pattern-set-callback-data ((pattern (* cairo-pattern-t)) (data void*)) "cairo_raster_source_pattern_set_callback_data")
(define-cairo-func void* cairo-raster-source-pattern-get-callback-data ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_callback_data")
(define-cairo-func void cairo-raster-source-pattern-set-acquire ((pattern (* cairo-pattern-t)) (acquire (* cairo-raster-source-acquire-func-t)) (release (* cairo-raster-source-release-func-t))) "cairo_raster_source_pattern_set_acquire")
(define-cairo-func void cairo-raster-source-pattern-get-acquire ((pattern (* cairo-pattern-t)) (acquire (* cairo-raster-source-acquire-func-t)) (release (* cairo-raster-source-release-func-t))) "cairo_raster_source_pattern_get_acquire")
(define-cairo-func void cairo-raster-source-pattern-set-snapshot ((pattern (* cairo-pattern-t)) (snapshot (* cairo-raster-source-snapshot-func-t))) "cairo_raster_source_pattern_set_snapshot")
(define-cairo-func (* cairo-raster-source-snapshot-func-t) cairo-raster-source-pattern-get-snapshot ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_snapshot")
(define-cairo-func void cairo-raster-source-pattern-set-copy ((pattern (* cairo-pattern-t)) (copy (* cairo-raster-source-copy-func-t))) "cairo_raster_source_pattern_set_copy")
(define-cairo-func (* cairo-raster-source-copy-func-t) cairo-raster-source-pattern-get-copy ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_copy")
(define-cairo-func void cairo-raster-source-pattern-set-finish ((pattern (* cairo-pattern-t)) (finish (* cairo-raster-source-finish-func-t))) "cairo_raster_source_pattern_set_finish")
(define-cairo-func (* cairo-raster-source-finish-func-t) cairo-raster-source-pattern-get-finish ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_finish")
(define-cairo-func (* cairo-pattern-t) cairo-pattern-create-rgb ((red double) (green double) (blue double)) "cairo_pattern_create_rgb")
................................................................................
(define-cairo-func void cairo-pattern-set-matrix ((pattern (* cairo-pattern-t)) (matrix (* cairo-matrix-t))) "cairo_pattern_set_matrix")
(define-cairo-func void cairo-pattern-get-matrix ((pattern (* cairo-pattern-t)) (matrix (* cairo-matrix-t))) "cairo_pattern_get_matrix")
(define-cairo-func void cairo-pattern-set-extend ((pattern (* cairo-pattern-t)) (extend cairo-extend-t)) "cairo_pattern_set_extend")
(define-cairo-func cairo-extend-t cairo-pattern-get-extend ((pattern (* cairo-pattern-t))) "cairo_pattern_get_extend")
(define-cairo-func void cairo-pattern-set-filter ((pattern (* cairo-pattern-t)) (filter cairo-filter-t)) "cairo_pattern_set_filter")
(define-cairo-func cairo-filter-t cairo-pattern-get-filter ((pattern (* cairo-pattern-t))) "cairo_pattern_get_filter")
(define-cairo-func cairo-status-t cairo-pattern-get-rgba ((pattern (* cairo-pattern-t)) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_pattern_get_rgba")
(define-cairo-func cairo-status-t cairo-pattern-get-surface ((pattern (* cairo-pattern-t)) (surface (* cairo-surface-t))) "cairo_pattern_get_surface")
(define-cairo-func cairo-status-t cairo-pattern-get-color-stop-rgba ((pattern (* cairo-pattern-t)) (index int) (offset (* double)) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_pattern_get_color_stop_rgba")
(define-cairo-func cairo-status-t cairo-pattern-get-color-stop-count ((pattern (* cairo-pattern-t)) (count (* int))) "cairo_pattern_get_color_stop_count")
(define-cairo-func cairo-status-t cairo-pattern-get-linear-points ((pattern (* cairo-pattern-t)) (x0 (* double)) (y0 (* double)) (x1 (* double)) (y1 (* double))) "cairo_pattern_get_linear_points")
(define-cairo-func cairo-status-t cairo-pattern-get-radial-circles ((pattern (* cairo-pattern-t)) (x0 (* double)) (y0 (* double)) (r0 (* double)) (x1 (* double)) (y1 (* double)) (r1 (* double))) "cairo_pattern_get_radial_circles")
(define-cairo-func cairo-status-t cairo-mesh-pattern-get-patch-count ((pattern (* cairo-pattern-t)) (count (* unsigned-int))) "cairo_mesh_pattern_get_patch_count")
(define-cairo-func (* cairo-path-t) cairo-mesh-pattern-get-path ((pattern (* cairo-pattern-t)) (patch_num unsigned-int)) "cairo_mesh_pattern_get_path")
(define-cairo-func cairo-status-t cairo-mesh-pattern-get-corner-color-rgba ((pattern (* cairo-pattern-t)) (patch_num unsigned-int) (corner_num unsigned-int) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_mesh_pattern_get_corner_color_rgba")








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(define-cairo-func cairo-status-t cairo-scaled-font-status ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_status")
(define-cairo-func cairo-font-type-t cairo-scaled-font-get-type ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_get_type")
(define-cairo-func void* cairo-scaled-font-get-user-data ((scaled_font (* cairo-scaled-font-t)) (key (* cairo-user-data-key-t))) "cairo_scaled_font_get_user_data")
(define-cairo-func cairo-status-t cairo-scaled-font-set-user-data ((scaled_font (* cairo-scaled-font-t)) (key (* cairo-user-data-key-t)) (user_data void*) (destroy cairo-destroy-func-t)) "cairo_scaled_font_set_user_data")
(define-cairo-func void cairo-scaled-font-extents ((scaled_font (* cairo-scaled-font-t)) (extents (* cairo-font-extents-t))) "cairo_scaled_font_extents")
(define-cairo-func void cairo-scaled-font-text-extents ((scaled_font (* cairo-scaled-font-t)) (utf8 string) (extents (* cairo-text-extents-t))) "cairo_scaled_font_text_extents")
(define-cairo-func void cairo-scaled-font-glyph-extents ((scaled_font (* cairo-scaled-font-t)) (glyphs (* cairo-glyph-t)) (num_glyphs int) (extents (* cairo-text-extents-t))) "cairo_scaled_font_glyph_extents")
(define-cairo-func cairo-status-t cairo-scaled-font-text-to-glyphs ((scaled_font (* cairo-scaled-font-t)) (x double) (y double) (utf8 string) (utf8_len int) (glyphs (* cairo-glyph-t*)) (num_glyphs (* int)) (clusters (* cairo-text-cluster-t*)) (num_clusters (* int)) (cluster_flags (* cairo-text-cluster-flags-t))) "cairo_scaled_font_text_to_glyphs")
(define-cairo-func (* cairo-font-face-t) cairo-scaled-font-get-font-face ((scaled_font (* cairo-scaled-font-t))) "cairo_scaled_font_get_font_face")
(define-cairo-func void cairo-scaled-font-get-font-matrix ((scaled_font (* cairo-scaled-font-t)) (font_matrix (* cairo-matrix-t))) "cairo_scaled_font_get_font_matrix")
(define-cairo-func void cairo-scaled-font-get-ctm ((scaled_font (* cairo-scaled-font-t)) (ctm (* cairo-matrix-t))) "cairo_scaled_font_get_ctm")
(define-cairo-func void cairo-scaled-font-get-scale-matrix ((scaled_font (* cairo-scaled-font-t)) (scale_matrix (* cairo-matrix-t))) "cairo_scaled_font_get_scale_matrix")
(define-cairo-func void cairo-scaled-font-get-font-options ((scaled_font (* cairo-scaled-font-t)) (options (* cairo-font-options-t))) "cairo_scaled_font_get_font_options")
(define-cairo-func (* cairo-font-face-t) cairo-toy-font-face-create ((family string) (slant cairo-font-slant-t) (weight cairo-font-weight-t)) "cairo_toy_font_face_create")
(define-cairo-func string cairo-toy-font-face-get-family ((font_face (* cairo-font-face-t))) "cairo_toy_font_face_get_family")
................................................................................
(define-cairo-func cairo-status-t cairo-surface-status ((surface (* cairo-surface-t))) "cairo_surface_status")
(define-cairo-func cairo-surface-type-t cairo-surface-get-type ((surface (* cairo-surface-t))) "cairo_surface_get_type")
(define-cairo-func cairo-content-t cairo-surface-get-content ((surface (* cairo-surface-t))) "cairo_surface_get_content")
(define-cairo-func cairo-status-t cairo-surface-write-to-png ((surface (* cairo-surface-t)) (filename string)) "cairo_surface_write_to_png")
(define-cairo-func cairo-status-t cairo-surface-write-to-png-stream ((surface (* cairo-surface-t)) (write_func (* cairo-write-func-t)) (closure void*)) "cairo_surface_write_to_png_stream")
(define-cairo-func void* cairo-surface-get-user-data ((surface (* cairo-surface-t)) (key (* cairo-user-data-key-t))) "cairo_surface_get_user_data")
(define-cairo-func cairo-status-t cairo-surface-set-user-data ((surface (* cairo-surface-t)) (key (* cairo-user-data-key-t)) (user_data void*) (destroy cairo-destroy-func-t)) "cairo_surface_set_user_data")
(define-cairo-func void cairo-surface-get-mime-data ((surface (* cairo-surface-t)) (mime_type string) (data (* unsigned-8*)) (length (* unsigned-long))) "cairo_surface_get_mime_data")
(define-cairo-func cairo-status-t cairo-surface-set-mime-data ((surface (* cairo-surface-t)) (mime_type string) (data (* unsigned-8)) (length unsigned-long) (destroy cairo-destroy-func-t) (closure void*)) "cairo_surface_set_mime_data")
(define-cairo-func cairo-bool-t cairo-surface-supports-mime-type ((surface (* cairo-surface-t)) (mime_type string)) "cairo_surface_supports_mime_type")
(define-cairo-func void cairo-surface-get-font-options ((surface (* cairo-surface-t)) (options (* cairo-font-options-t))) "cairo_surface_get_font_options")
(define-cairo-func void cairo-surface-flush ((surface (* cairo-surface-t))) "cairo_surface_flush")
(define-cairo-func void cairo-surface-mark-dirty ((surface (* cairo-surface-t))) "cairo_surface_mark_dirty")
(define-cairo-func void cairo-surface-mark-dirty-rectangle ((surface (* cairo-surface-t)) (x int) (y int) (width int) (height int)) "cairo_surface_mark_dirty_rectangle")
(define-cairo-func void cairo-surface-set-device-scale ((surface (* cairo-surface-t)) (x_scale double) (y_scale double)) "cairo_surface_set_device_scale")
................................................................................
(define-cairo-func (* cairo-surface-t) cairo-recording-surface-create ((content cairo-content-t) (extents (* cairo-rectangle-t))) "cairo_recording_surface_create")
(define-cairo-func void cairo-recording-surface-ink-extents ((surface (* cairo-surface-t)) (x0 (* double)) (y0 (* double)) (width (* double)) (height (* double))) "cairo_recording_surface_ink_extents")
(define-cairo-func cairo-bool-t cairo-recording-surface-get-extents ((surface (* cairo-surface-t)) (extents (* cairo-rectangle-t))) "cairo_recording_surface_get_extents")
(define-cairo-func (* cairo-pattern-t) cairo-pattern-create-raster-source ((user_data void*) (content cairo-content-t) (width int) (height int)) "cairo_pattern_create_raster_source")
(define-cairo-func void cairo-raster-source-pattern-set-callback-data ((pattern (* cairo-pattern-t)) (data void*)) "cairo_raster_source_pattern_set_callback_data")
(define-cairo-func void* cairo-raster-source-pattern-get-callback-data ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_callback_data")
(define-cairo-func void cairo-raster-source-pattern-set-acquire ((pattern (* cairo-pattern-t)) (acquire (* cairo-raster-source-acquire-func-t)) (release (* cairo-raster-source-release-func-t))) "cairo_raster_source_pattern_set_acquire")
(define-cairo-func void cairo-raster-source-pattern-get-acquire ((pattern (* cairo-pattern-t)) (acquire (* cairo-raster-source-acquire-func-t*)) (release (* cairo-raster-source-release-func-t*))) "cairo_raster_source_pattern_get_acquire")
(define-cairo-func void cairo-raster-source-pattern-set-snapshot ((pattern (* cairo-pattern-t)) (snapshot (* cairo-raster-source-snapshot-func-t))) "cairo_raster_source_pattern_set_snapshot")
(define-cairo-func (* cairo-raster-source-snapshot-func-t) cairo-raster-source-pattern-get-snapshot ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_snapshot")
(define-cairo-func void cairo-raster-source-pattern-set-copy ((pattern (* cairo-pattern-t)) (copy (* cairo-raster-source-copy-func-t))) "cairo_raster_source_pattern_set_copy")
(define-cairo-func (* cairo-raster-source-copy-func-t) cairo-raster-source-pattern-get-copy ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_copy")
(define-cairo-func void cairo-raster-source-pattern-set-finish ((pattern (* cairo-pattern-t)) (finish (* cairo-raster-source-finish-func-t))) "cairo_raster_source_pattern_set_finish")
(define-cairo-func (* cairo-raster-source-finish-func-t) cairo-raster-source-pattern-get-finish ((pattern (* cairo-pattern-t))) "cairo_raster_source_pattern_get_finish")
(define-cairo-func (* cairo-pattern-t) cairo-pattern-create-rgb ((red double) (green double) (blue double)) "cairo_pattern_create_rgb")
................................................................................
(define-cairo-func void cairo-pattern-set-matrix ((pattern (* cairo-pattern-t)) (matrix (* cairo-matrix-t))) "cairo_pattern_set_matrix")
(define-cairo-func void cairo-pattern-get-matrix ((pattern (* cairo-pattern-t)) (matrix (* cairo-matrix-t))) "cairo_pattern_get_matrix")
(define-cairo-func void cairo-pattern-set-extend ((pattern (* cairo-pattern-t)) (extend cairo-extend-t)) "cairo_pattern_set_extend")
(define-cairo-func cairo-extend-t cairo-pattern-get-extend ((pattern (* cairo-pattern-t))) "cairo_pattern_get_extend")
(define-cairo-func void cairo-pattern-set-filter ((pattern (* cairo-pattern-t)) (filter cairo-filter-t)) "cairo_pattern_set_filter")
(define-cairo-func cairo-filter-t cairo-pattern-get-filter ((pattern (* cairo-pattern-t))) "cairo_pattern_get_filter")
(define-cairo-func cairo-status-t cairo-pattern-get-rgba ((pattern (* cairo-pattern-t)) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_pattern_get_rgba")
(define-cairo-func cairo-status-t cairo-pattern-get-surface ((pattern (* cairo-pattern-t)) (surface (* cairo-surface-t*))) "cairo_pattern_get_surface")
(define-cairo-func cairo-status-t cairo-pattern-get-color-stop-rgba ((pattern (* cairo-pattern-t)) (index int) (offset (* double)) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_pattern_get_color_stop_rgba")
(define-cairo-func cairo-status-t cairo-pattern-get-color-stop-count ((pattern (* cairo-pattern-t)) (count (* int))) "cairo_pattern_get_color_stop_count")
(define-cairo-func cairo-status-t cairo-pattern-get-linear-points ((pattern (* cairo-pattern-t)) (x0 (* double)) (y0 (* double)) (x1 (* double)) (y1 (* double))) "cairo_pattern_get_linear_points")
(define-cairo-func cairo-status-t cairo-pattern-get-radial-circles ((pattern (* cairo-pattern-t)) (x0 (* double)) (y0 (* double)) (r0 (* double)) (x1 (* double)) (y1 (* double)) (r1 (* double))) "cairo_pattern_get_radial_circles")
(define-cairo-func cairo-status-t cairo-mesh-pattern-get-patch-count ((pattern (* cairo-pattern-t)) (count (* unsigned-int))) "cairo_mesh_pattern_get_patch_count")
(define-cairo-func (* cairo-path-t) cairo-mesh-pattern-get-path ((pattern (* cairo-pattern-t)) (patch_num unsigned-int)) "cairo_mesh_pattern_get_path")
(define-cairo-func cairo-status-t cairo-mesh-pattern-get-corner-color-rgba ((pattern (* cairo-pattern-t)) (patch_num unsigned-int) (corner_num unsigned-int) (red (* double)) (green (* double)) (blue (* double)) (alpha (* double))) "cairo_mesh_pattern_get_corner_color_rgba")

Changes to cairo/cairo-pdf-functions.ss. 

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(define-cairo-func (* cairo-surface-t) cairo-pdf-surface-create ((filename string) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_create")
(define-cairo-func (* cairo-surface-t) cairo-pdf-surface-create-for-stream ((write_func (* cairo-write-func-t)) (closure void*) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_create_for_stream")
(define-cairo-func void cairo-pdf-surface-restrict-to-version ((surface (* cairo-surface-t)) (version cairo-pdf-version-t)) "cairo_pdf_surface_restrict_to_version")
(define-cairo-func void cairo-pdf-get-versions ((versions (* cairo-pdf-version-t)) (num_versions (* int))) "cairo_pdf_get_versions")
(define-cairo-func string cairo-pdf-version-to-string ((version cairo-pdf-version-t)) "cairo_pdf_version_to_string")
(define-cairo-func void cairo-pdf-surface-set-size ((surface (* cairo-surface-t)) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_set_size")




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(define-cairo-func (* cairo-surface-t) cairo-pdf-surface-create ((filename string) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_create")
(define-cairo-func (* cairo-surface-t) cairo-pdf-surface-create-for-stream ((write_func (* cairo-write-func-t)) (closure void*) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_create_for_stream")
(define-cairo-func void cairo-pdf-surface-restrict-to-version ((surface (* cairo-surface-t)) (version cairo-pdf-version-t)) "cairo_pdf_surface_restrict_to_version")
(define-cairo-func void cairo-pdf-get-versions ((versions (* cairo-pdf-version-t*)) (num_versions (* int))) "cairo_pdf_get_versions")
(define-cairo-func string cairo-pdf-version-to-string ((version cairo-pdf-version-t)) "cairo_pdf_version_to_string")
(define-cairo-func void cairo-pdf-surface-set-size ((surface (* cairo-surface-t)) (width_in_points double) (height_in_points double)) "cairo_pdf_surface_set_size")

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					; (indirect-export cairo-guard-pointer)
	   #`(begin
	       (define (name arg-name ...) 
		 (define-ftype function-ftype (function (renamed-type ...) renamed-ret))
		 (let* ([function-fptr  (make-ftype-pointer function-ftype c-name)]
			[function       (ftype-ref function-ftype () function-fptr)]
			[arg-name arg-convert] ...)
		   (printf "calling ffi ~d ~n" c-name)
		   (let ([result (function arg-name ...)])
		     
		     #,(case (syntax->datum #'ret-type)
			 [(cairo-status-t)  #'(cairo-status-enum-ref result)]
			 [((* cairo-t)
			   (* cairo-surface-t)
			   (* cairo-pattern-t)








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					; (indirect-export cairo-guard-pointer)
	   #`(begin
	       (define (name arg-name ...) 
		 (define-ftype function-ftype (function (renamed-type ...) renamed-ret))
		 (let* ([function-fptr  (make-ftype-pointer function-ftype c-name)]
			[function       (ftype-ref function-ftype () function-fptr)]
			[arg-name arg-convert] ...)
		   ;(printf "calling ffi ~d ~n" c-name)
		   (let ([result (function arg-name ...)])
		     
		     #,(case (syntax->datum #'ret-type)
			 [(cairo-status-t)  #'(cairo-status-enum-ref result)]
			 [((* cairo-t)
			   (* cairo-surface-t)
			   (* cairo-pattern-t)

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    (if (and (string-prefix? "cairo-" xd) 
	     (not  (or (string-suffix? "*" x) (string-suffix? "-t" x))))
	(string-append x "-t")
	x)))

(define (add-* x)
  (string-append x "*"))
 



(define (decode-type t)
  (if t
      (let-json-object t (tag type)
		       (let ([tag* (if (string? tag) (string->symbol tag) tag)])
			 (case tag*
			   [:function-pointer 'void*]
			   [:int 'int]
................................................................................
			   [:float 'float]
			   [:pointer (let ([pt (decode-type type)])
				       (case pt
					 (char 'string)
					 (void 'void*)
					 (else
					  (if (and (pair? pt ) (eq? (car pt) '*))
					      pt ;; DOUBLE STAR SEEMS NOT SUPPORTED ON CHEZ
					      `(* ,pt))
					  #;(string->symbol 
					   (add-*
					    (symbol->string pt))))))]
			   [:void 'void]
			   [:char 'char]
			   [:unsigned-char 'unsigned-8]








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    (if (and (string-prefix? "cairo-" xd) 
	     (not  (or (string-suffix? "*" x) (string-suffix? "-t" x))))
	(string-append x "-t")
	x)))

(define (add-* x)
  (string-append x "*"))

(define (symbol-append . symbols)
  (apply string-append (map symbol->string symbols)))

(define (decode-type t)
  (if t
      (let-json-object t (tag type)
		       (let ([tag* (if (string? tag) (string->symbol tag) tag)])
			 (case tag*
			   [:function-pointer 'void*]
			   [:int 'int]
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			   [:float 'float]
			   [:pointer (let ([pt (decode-type type)])
				       (case pt
					 (char 'string)
					 (void 'void*)
					 (else
					  (if (and (pair? pt ) (eq? (car pt) '*))
					      `(* ,(symbol-append (cadr pt) '*)) ;; DOUBLE STAR SEEMS NOT SUPPORTED ON CHEZ
					      `(* ,pt))
					  #;(string->symbol 
					   (add-*
					    (symbol->string pt))))))]
			   [:void 'void]
			   [:char 'char]
			   [:unsigned-char 'unsigned-8]

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;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.


 (define-ftype unsigned-char unsigned-8)

 (define-ftype cairo-bool-t int)
 (define-ftype cairo-t (struct))

 (define-ftype cairo-surface-t (struct))

 (define-ftype cairo-device-t void*)

 (define-ftype cairo-matrix-t
   (struct
    [xx double]
    [yx double]
    [xy double]
................................................................................
 (define-ftype cairo-font-face-t void*)

 (define-ftype cairo-glyph-t
   (struct [index unsigned-long] [x double] [y double]))

 (define-ftype-allocator cairo-glyph-create cairo-glyph-t)




 (define-ftype cairo-text-cluster-t
   (struct [num-bytes int] [num-glyphs int]))

 (define-ftype-allocator cairo-text-cluster-create cairo-text-cluster-t)




 (define-enumeration* cairo-text-cluster-flag
   (none backward))

 (define-ftype cairo-text-cluster-flags-t int)






 (define-ftype cairo-text-extents-t
   (struct
    [x-bearing double]
    [y-bearing double]
    [width double]
    [height double]
................................................................................
 (define-ftype cairo-raster-source-acquire-func-t
   (function
    ((* cairo-pattern-t)
     void*
     (* cairo-surface-t)
     (* cairo-rectangle-int-t))
    cairo-status-t))




 (define-ftype cairo-raster-source-release-func-t
   (function
    ((* cairo-pattern-t) void* (* cairo-surface-t))
    cairo-status-t))




 (define-ftype cairo-raster-source-snapshot-func-t
   (function ((* cairo-pattern-t) void*) cairo-status-t))

 (define-ftype cairo-raster-source-copy-func-t
   (function
    ((* cairo-pattern-t) void* (* cairo-pattern-t))
................................................................................

 (define-ftype cairo-region-t void*)

 (define-enumeration* cairo-region-overlap
   (in out part))

 (define-ftype cairo-pdf-version-t int)

 (define-ftype cairo-pdf-version-t-const cairo-pdf-version-t)








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;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.

 (define-ftype unsigned-8* (* unsigned-8))
 (define-ftype unsigned-char unsigned-8)

 (define-ftype cairo-bool-t int)
 (define-ftype cairo-t (struct))

 (define-ftype cairo-surface-t (struct))
 (define-ftype cairo-surface-t* (* cairo-surface-t))
 (define-ftype cairo-device-t void*)

 (define-ftype cairo-matrix-t
   (struct
    [xx double]
    [yx double]
    [xy double]
................................................................................
 (define-ftype cairo-font-face-t void*)

 (define-ftype cairo-glyph-t
   (struct [index unsigned-long] [x double] [y double]))

 (define-ftype-allocator cairo-glyph-create cairo-glyph-t)

(define-ftype cairo-glyph-t* (* cairo-glyph-t))
(define-ftype-allocator cairo-glyph*-create cairo-glyph-t*)

 (define-ftype cairo-text-cluster-t
   (struct [num-bytes int] [num-glyphs int]))

 (define-ftype-allocator cairo-text-cluster-create cairo-text-cluster-t)

 (define-ftype cairo-text-cluster-t* (* cairo-text-cluster-t))
 (define-ftype-allocator cairo-text-cluster*-create cairo-text-cluster-t*)
 
 (define-enumeration* cairo-text-cluster-flag
   (none backward))

 (define-ftype cairo-text-cluster-flags-t int)

 (define-ftype-allocator cairo-text-cluster-flags-create cairo-text-cluster-flags-t)

 (define-ftype-allocator cairo-int-create int)
 (define-ftype-allocator cairo-void*-create void*)

 (define-ftype cairo-text-extents-t
   (struct
    [x-bearing double]
    [y-bearing double]
    [width double]
    [height double]
................................................................................
 (define-ftype cairo-raster-source-acquire-func-t
   (function
    ((* cairo-pattern-t)
     void*
     (* cairo-surface-t)
     (* cairo-rectangle-int-t))
    cairo-status-t))

 (define-ftype cairo-raster-source-acquire-func-t*
   (* cairo-raster-source-acquire-func-t))

 (define-ftype cairo-raster-source-release-func-t
   (function
    ((* cairo-pattern-t) void* (* cairo-surface-t))
    cairo-status-t))

 (define-ftype cairo-raster-source-release-func-t*
  (* cairo-raster-source-release-func-t))

 (define-ftype cairo-raster-source-snapshot-func-t
   (function ((* cairo-pattern-t) void*) cairo-status-t))

 (define-ftype cairo-raster-source-copy-func-t
   (function
    ((* cairo-pattern-t) void* (* cairo-pattern-t))
................................................................................

 (define-ftype cairo-region-t void*)

 (define-enumeration* cairo-region-overlap
   (in out part))

 (define-ftype cairo-pdf-version-t int)
 (define-ftype cairo-pdf-version-t* (* cairo-pdf-version-t))
 (define-ftype cairo-pdf-version-t-const cairo-pdf-version-t)

Fossil 2.9 [0fd79a3e09] 2019-07-13 13:05:19