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1 | ;; Common Lisp bindings for Cairo |
2 | ;; Copyright 2005 Espen S. Johnsen <espen@users.sf.net> |
3 | ;; |
4 | ;; Permission is hereby granted, free of charge, to any person obtaining |
5 | ;; a copy of this software and associated documentation files (the |
6 | ;; "Software"), to deal in the Software without restriction, including |
7 | ;; without limitation the rights to use, copy, modify, merge, publish, |
8 | ;; distribute, sublicense, and/or sell copies of the Software, and to |
9 | ;; permit persons to whom the Software is furnished to do so, subject to |
10 | ;; the following conditions: |
11 | ;; |
12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
14 | ;; |
15 | ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
16 | ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
17 | ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
19 | ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
20 | ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
21 | ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
22 | |
c470da88 |
23 | ;; $Id: cairo.lisp,v 1.15 2007-09-07 07:13:55 espen Exp $ |
1ed0a2c5 |
24 | |
25 | (in-package "CAIRO") |
26 | |
27 | (eval-when (:compile-toplevel :load-toplevel :execute) |
28 | (define-enum-type surface-format :argb32 :rgb24 :a8 :a1) |
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29 | (define-enum-type content :color :alpha :color-alpha) |
2e86f0c9 |
30 | (define-enum-type svg-version :svg-1.1 :svg-1.2) |
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31 | |
32 | (define-enum-type status |
33 | :success :no-memory :invalid-restore :invalid-pop-group |
34 | :no-current-point :invalid-matrix :invalid-status :null-pointer |
35 | :invalid-string :invalid-path-data :read-error :write-error |
36 | :surface-finished :surface-type-mismatch :pattern-type-mismatch |
37 | :invalid-content :invalid-format :invalid-visual :file-not-found |
38 | :invalid-dash) |
39 | |
40 | (define-enum-type fill-rule :winding :even-odd) |
41 | (define-enum-type line-cap :butt :round :square) |
42 | (define-enum-type line-join :miter :round :bevel) |
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43 | (define-enum-type font-slant :normal :italic :oblique) |
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44 | (define-enum-type font-weight :normal :bold) |
45 | |
46 | (define-enum-type operator |
47 | :clear :source :over :in :out :atop :dest :dest-over |
48 | :dest-in :dest-out :dest-atop :xor :add :saturate) |
49 | |
50 | (define-enum-type antialias :default :none :gray :subpixel) |
51 | (define-enum-type extend :none :repeat :reflect) |
52 | (define-enum-type filter :fast :good :best :nearest :bilinear :gaussian) |
53 | (define-enum-type subpixel-order :default :rgb :bgr :vrgb :vbgr) |
54 | (define-enum-type hint-style :default :none :slight :medium :full) |
55 | (define-enum-type hint-metrics :default :off :on) |
56 | |
2e86f0c9 |
57 | |
58 | (define-enum-type surface-type |
59 | image-surface pdf-surface ps-surface xlib-surface xcb-surface |
60 | glitz-surface quartz-surface win32-surface beos-surface |
539851a8 |
61 | directfb-surface svg-surface os2-surface) |
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62 | |
63 | (defclass surface-class (proxy-class) |
64 | ()) |
65 | |
66 | (defmethod validate-superclass ((class surface-class) (super standard-class)) |
67 | (subtypep (class-name super) 'surface)) |
68 | |
c7d11ab8 |
69 | (defclass glyph (struct) |
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70 | ((index |
71 | :allocation :alien |
72 | :initarg :index |
73 | :accessor glyph-index |
74 | :type unsigned-long) |
75 | (x |
76 | :allocation :alien |
77 | :initarg :x |
78 | :accessor glyph-x |
79 | :type double-float) |
80 | (y |
81 | :allocation :alien |
82 | :initarg :y |
83 | :accessor glyph-y |
84 | :type double-float)) |
85 | (:metaclass struct-class)) |
86 | |
af338f4a |
87 | (defclass font-face (ref-counted-object) |
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88 | () |
a82cea45 |
89 | (:metaclass proxy-class) |
90 | (:ref %font-face-reference) |
91 | (:unref %font-face-destroy)) |
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92 | |
af338f4a |
93 | (defclass font-options (ref-counted-object) |
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94 | ((antialias |
95 | :allocation :virtual |
96 | :getter "font_options_get_antialias" |
97 | :setter "font_options_set_antialias" |
98 | :accessor font-options-antialias |
99 | :type antialias) |
100 | (subpixel-order |
101 | :allocation :virtual |
102 | :getter "font_options_get_subpixel_order" |
103 | :setter "font_options_set_subpixel_order" |
104 | :accessor font-options-subpixel-order |
105 | :type subpixel-order) |
106 | (hint-style |
107 | :allocation :virtual |
108 | :getter "font_options_get_hint_style" |
109 | :setter "font_options_set_hint_style" |
110 | :accessor font-options-hint-style |
111 | :type hint-style) |
112 | (hint-metrics |
113 | :allocation :virtual |
114 | :getter "font_options_get_hint_metrics" |
115 | :setter "font_options_set_hint_metrics" |
116 | :accessor font-options-hint-metrics |
117 | :type hint-metrics)) |
a82cea45 |
118 | (:metaclass proxy-class) |
119 | (:ref %font-options-reference) |
120 | (:unref %font-options-destroy)) |
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121 | |
af338f4a |
122 | (defclass scaled-font (ref-counted-object) |
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123 | () |
a82cea45 |
124 | (:metaclass proxy-class) |
125 | (:ref %scaled-font-reference) |
126 | (:unref %scaled-font-destroy)) |
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127 | |
128 | (defclass matrix (struct) |
129 | ((xx :allocation :alien :initarg :xx :initform 1.0 |
130 | :accessor matrix-xx :type double-float) |
131 | (yx :allocation :alien :initarg :yx :initform 0.0 |
132 | :accessor matrix-yx :type double-float) |
133 | (xy :allocation :alien :initarg :xy :initform 1.0 |
134 | :accessor matrix-xy :type double-float) |
135 | (yy :allocation :alien :initarg :yy :initform 0.0 |
136 | :accessor matrix-yy :type double-float) |
137 | (x0 :allocation :alien :initarg :x0 :initform 0.0 |
138 | :accessor matrix-x0 :type double-float) |
139 | (y0 :allocation :alien :initarg :y0 :initform 0.0 |
140 | :accessor matrix-y0 :type double-float)) |
141 | (:metaclass struct-class)) |
142 | |
143 | |
144 | (defclass text-extents (struct) |
145 | ((x-bearing :allocation :alien :reader text-extents-x-bearing :type double-float) |
146 | (y-bearing :allocation :alien :reader text-extents-y-bearing :type double-float) |
147 | (width :allocation :alien :reader text-extents-width :type double-float) |
148 | (height :allocation :alien :reader text-extents-height :type double-float) |
149 | (x-advance :allocation :alien :reader text-extents-x-advance :type double-float) |
150 | (y-advance :allocation :alien :reader text-extents-y-advance :type double-float)) |
151 | (:metaclass struct-class)) |
152 | |
af338f4a |
153 | (defclass pattern (ref-counted-object) |
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154 | ((extend |
155 | :allocation :virtual |
156 | :getter "cairo_pattern_get_extend" |
157 | :setter "cairo_pattern_set_extend" |
158 | :accessor pattern-extend |
159 | :type extend) |
160 | (filter |
161 | :allocation :virtual |
162 | :getter "cairo_pattern_get_filter" |
163 | :setter "cairo_pattern_set_filter" |
164 | :accessor pattern-filter |
165 | :type filter) |
166 | (matrix |
167 | :allocation :virtual |
168 | :getter "cairo_pattern_get_matrix" |
169 | :setter "cairo_pattern_set_matrix" |
170 | :accessor pattern-matrix |
171 | :type matrix)) |
a82cea45 |
172 | (:metaclass proxy-class) |
173 | (:ref %pattern-reference) |
174 | (:unref %pattern-destroy)) |
175 | |
176 | |
af338f4a |
177 | (defclass surface (ref-counted-object) |
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178 | ((content |
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179 | :allocation :virtual |
180 | :getter "cairo_surface_get_content" |
181 | :reader surface-content |
182 | :type content)) |
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183 | (:metaclass surface-class)) |
184 | |
185 | (defclass image-surface (surface) |
186 | ((data |
187 | :allocation :virtual |
188 | :getter "cairo_image_surface_get_data" |
189 | :reader surface-data |
190 | :type pointer) |
191 | (format |
192 | :allocation :virtual |
193 | :getter "cairo_image_surface_get_format" |
194 | :reader surface-format |
195 | :type surface-format) |
196 | (width |
197 | :allocation :virtual |
198 | :getter "cairo_image_surface_get_width" |
199 | :reader surface-width |
200 | :type int) |
201 | (height |
202 | :allocation :virtual |
203 | :getter "cairo_image_surface_get_height" |
204 | :reader surface-height |
205 | :type int) |
206 | (stride |
207 | :allocation :virtual |
208 | :getter "cairo_image_surface_get_stride" |
209 | :reader surface-height |
210 | :type int)) |
211 | (:metaclass surface-class)) |
212 | |
213 | (defclass xlib-surface (surface) |
214 | ((width |
215 | :allocation :virtual |
216 | :getter "cairo_xlib_surface_get_width" |
217 | :reader surface-width |
218 | :type int) |
219 | (height |
220 | :allocation :virtual |
221 | :getter "cairo_xlib_surface_get_height" |
222 | :reader surface-height |
223 | :type int)) |
224 | (:metaclass surface-class)) |
225 | |
226 | (defclass pdf-surface (surface) |
227 | () |
228 | (:metaclass surface-class)) |
229 | |
230 | (defclass ps-surface (surface) |
231 | () |
232 | (:metaclass surface-class)) |
233 | |
234 | (defclass svg-surface (surface) |
235 | () |
236 | (:metaclass surface-class)) |
237 | |
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238 | |
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239 | (defclass context (ref-counted-object) |
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240 | ((target |
241 | :allocation :virtual |
242 | :getter "cairo_get_target" |
243 | :reader target |
244 | :type surface) |
245 | (source |
246 | :allocation :virtual |
247 | :getter "cairo_get_source" |
248 | :setter "cairo_set_source" |
249 | :accessor source |
250 | :type pattern) |
251 | (antialias |
252 | :allocation :virtual |
253 | :getter "cairo_get_antialias" |
254 | :setter "cairo_set_antialias" |
255 | :accessor antialias |
256 | :type antialias) |
257 | (tolerance |
258 | :allocation :virtual |
259 | :getter "cairo_get_tolerance" |
260 | :setter "cairo_set_tolerance" |
261 | :accessor tolerance |
262 | :type double-float) |
263 | (fill-rule |
264 | :allocation :virtual |
265 | :getter "cairo_get_fill_rule" |
266 | :setter "cairo_set_fill_rule" |
267 | :accessor fill-rule |
268 | :type fill-rule) |
269 | (line-width |
270 | :allocation :virtual |
271 | :getter "cairo_get_line_width" |
272 | :setter "cairo_set_line_width" |
273 | :accessor line-width |
274 | :type double-float) |
275 | (line-cap |
276 | :allocation :virtual |
277 | :getter "cairo_get_line_cap" |
278 | :setter "cairo_set_line_cap" |
279 | :accessor line-cap |
280 | :type line-cap) |
281 | (line-join |
282 | :allocation :virtual |
283 | :getter "cairo_get_line_join" |
284 | :setter "cairo_set_line_join" |
285 | :accessor line-join |
286 | :type line-join) |
287 | (miter-limit |
288 | :allocation :virtual |
289 | :getter "cairo_get_miter_limit" |
290 | :setter "cairo_set_miter_limit" |
291 | :accessor miter-limit |
292 | :type double-float) |
293 | (font-matrix |
294 | :allocation :virtual |
295 | :getter "cairo_get_font_matrix" |
296 | :setter "cairo_set_font_matrix" |
297 | :accessor font-matrix |
298 | :type matrix) |
299 | (font-options |
300 | :allocation :virtual |
301 | :getter "cairo_get_font_options" |
302 | :setter "cairo_set_font_options" |
303 | :accessor font-options |
304 | :type font-options) |
305 | (font-face |
306 | :allocation :virtual |
307 | :getter "cairo_get_font_face" |
308 | :setter "cairo_set_font_face" |
309 | :accessor font-face |
310 | :type font-face) |
311 | (operator |
312 | :allocation :virtual |
313 | :getter "cairo_get_operator" |
314 | :setter "cairo_set_operator" |
315 | :accessor operator |
316 | :type operator) |
317 | (matrix |
318 | :allocation :virtual |
319 | :getter matrix |
320 | :setter "cairo_set_matrix" |
321 | :writer (setf matrix) |
322 | :type matrix) |
323 | ) |
a82cea45 |
324 | (:metaclass proxy-class) |
325 | (:ref %reference) |
326 | (:unref %destroy)) |
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327 | |
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328 | |
329 | ;; (defclass path (proxy) |
330 | ;; () |
331 | ;; (:metaclass proxy-class)) |
332 | |
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333 | ) |
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334 | |
335 | |
336 | ;;; Cairo context |
337 | |
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338 | (defmethod allocate-foreign ((context context) &key target) |
339 | (%create-context target)) |
340 | |
341 | (defbinding (%create-context "cairo_create") () pointer |
342 | (target surface)) |
343 | |
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344 | (defbinding %reference () pointer |
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345 | (location pointer)) |
346 | |
347 | (defbinding %destroy () nil |
348 | (location pointer)) |
349 | |
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350 | (defbinding (save-context "cairo_save") () nil |
351 | (cr context)) |
352 | |
353 | (defbinding (restore-context "cairo_restore") () nil |
354 | (cr context)) |
355 | |
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356 | (defmacro with-context ((cr &optional var) &body body) |
357 | (let ((context (or var (make-symbol "CONTEXT")))) |
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358 | `(let ((,context ,cr)) |
359 | (save-context ,context) |
360 | (unwind-protect |
361 | (progn ,@body) |
362 | (restore-context ,context))))) |
363 | |
364 | (defbinding status () status |
365 | (cr context)) |
366 | |
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367 | (defun ensure-color-component (component) |
368 | (etypecase component |
369 | (float component) |
370 | (integer (/ component 256.0)))) |
371 | |
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372 | (defbinding (set-source-color "cairo_set_source_rgba") (cr red green blue &optional (alpha 1.0)) nil |
373 | (cr context) |
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374 | ((ensure-color-component red) double-float) |
375 | ((ensure-color-component green) double-float) |
376 | ((ensure-color-component blue) double-float) |
377 | ((ensure-color-component alpha) double-float)) |
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378 | |
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379 | (defbinding set-source-surface (cr surface &optional (x 0.0) (y 0.0)) nil |
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380 | (cr context) |
381 | (surface surface) |
382 | (x double-float) |
383 | (y double-float)) |
384 | |
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385 | (defun set-source (cr source) |
386 | (etypecase source |
387 | (pattern (setf (source cr) source)) |
388 | (surface (set-source-surface cr source)) |
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389 | (null (set-source-color cr 0.0 0.0 0.0)) |
81240b33 |
390 | (list (apply #'set-source-color cr source)) |
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391 | (vector (apply #'set-source-color cr (coerce source 'list))))) |
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392 | |
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393 | (defbinding set-dash (cr dashes &optional (offset 0.0)) nil |
394 | (cr context) |
395 | (dashes (vector double-float)) |
396 | ((length dashes) int) |
397 | (offset double-float)) |
398 | |
399 | (defbinding (paint "cairo_paint_with_alpha") (cr &optional (alpha 1.0)) nil |
400 | (cr context) |
401 | (alpha double-float)) |
402 | |
403 | (defbinding mask () nil |
404 | (cr context) |
405 | (pattern pattern)) |
406 | |
407 | (defbinding mask-surface () nil |
408 | (cr context) |
409 | (surface surface) |
410 | (surface-x double-float) |
411 | (surface-y double-float)) |
412 | |
413 | (defmacro defoperator (name &optional clip-p) |
414 | (let ((iname (intern (format nil "%~A" name))) |
415 | (pname (intern (format nil "%~A-PRESERVE" name)))) |
416 | `(progn |
417 | (defbinding ,iname () nil |
418 | (cr context)) |
419 | (defbinding ,pname () nil |
420 | (cr context)) |
421 | (defun ,name (cr &optional preserve) |
422 | (if preserve |
423 | (,pname cr) |
424 | (,iname cr))) |
425 | ,(unless clip-p |
2f60440d |
426 | (let ((tname (intern (format nil "IN-~A-P" name))) |
1ed0a2c5 |
427 | (ename (intern (format nil "~A-EXTENTS" name)))) |
428 | `(progn |
429 | (defbinding ,tname () boolean |
430 | (cr context) |
431 | (x double-float) |
432 | (y double-float)) |
3507be1a |
433 | (defbinding ,ename () nil |
1ed0a2c5 |
434 | (cr context) |
435 | (x1 double-float :out) |
436 | (y1 double-float :out) |
437 | (x2 double-float :out) |
438 | (y2 double-float :out)))))))) |
439 | |
440 | (defoperator clip t) |
441 | (defoperator stroke) |
442 | (defoperator fill) |
443 | |
444 | (defbinding reset-clip () nil |
445 | (cr context)) |
446 | |
447 | (defbinding copy-page () nil |
448 | (cr context)) |
449 | |
450 | (defbinding show-page () nil |
451 | (cr context)) |
452 | |
453 | |
454 | ;;; Paths |
455 | |
456 | (defbinding get-current-point () nil |
457 | (cr context) |
458 | (x double-float :out) |
459 | (y double-float :out)) |
460 | |
461 | (defbinding new-path () nil |
462 | (cr context)) |
463 | |
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464 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
465 | (defbinding new-sub-path () nil |
466 | (cr context)) |
467 | |
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468 | (defbinding close-path () nil |
469 | (cr context)) |
470 | |
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471 | (defmacro defpath (name args &optional relative-p) |
472 | (flet ((def (name type) |
fd21545c |
473 | `(progn |
474 | ,(when (eq type 'optimized-double-float) |
475 | `(declaim (inline ,(first name)))) |
81240b33 |
476 | (defbinding ,name () nil |
477 | (cr context) |
478 | ,@(mapcar #'(lambda (arg) (list arg type)) args))))) |
479 | |
480 | `(progn |
481 | ,(def name 'double-float) |
482 | ,(let ((name (intern (format nil "FAST-~A" name))) |
483 | (cname (gffi::default-alien-fname name))) |
484 | (def (list name cname) 'optimized-double-float)) |
485 | ,@(when relative-p |
486 | (let* ((rel-name (intern (format nil "REL-~A" name))) |
487 | (fast-rel-name (intern (format nil "FAST-REL-~A" name))) |
488 | (cname (gffi::default-alien-fname rel-name))) |
489 | (list |
490 | (def rel-name 'double-float) |
491 | (def (list fast-rel-name cname) 'optimized-double-float))))))) |
492 | |
493 | |
494 | (defpath arc (xc yc radius angle1 angle2)) |
495 | (defpath arc-negative (xc yc radius angle1 angle2)) |
496 | (defpath curve-to (x1 y1 x2 y2 x3 y3) t) |
497 | (defpath line-to (x y) t) |
498 | (defpath move-to (x y) t) |
499 | (defpath rectangle (x y width height)) |
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500 | |
015f771e |
501 | (defun circle (cr x y radius &optional negative-p) |
502 | (move-to cr radius 0.0d0) |
503 | (if negative-p |
504 | (arc-negative cr x y radius (* pi 2) 0.0d0) |
505 | (arc cr x y radius 0.0d0 (* pi 2))) |
506 | (close-path cr)) |
507 | |
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508 | |
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509 | (defbinding glyph-path (cr glyphs) nil |
510 | (cr context) |
511 | (glyphs (vector glyph)) |
512 | ((length glyphs) int)) |
513 | |
514 | (defbinding text-path () nil |
515 | (cr context) |
516 | (text string)) |
517 | |
518 | |
519 | |
520 | ;;; Patterns |
521 | |
522 | (defbinding (pattern-add-color-stop "cairo_pattern_add_color_stop_rgba") |
523 | (pattern offset red green blue &optional (alpha 1.0)) nil |
524 | (pattern pattern) |
525 | (offset double-float) |
81240b33 |
526 | ((ensure-color-component red) double-float) |
527 | ((ensure-color-component green) double-float) |
528 | ((ensure-color-component blue) double-float) |
529 | ((ensure-color-component alpha) double-float)) |
1ed0a2c5 |
530 | |
531 | (defbinding (pattern-create "cairo_pattern_create_rgba") |
532 | (red green blue &optional (alpha 1.0)) pattern |
81240b33 |
533 | ((ensure-color-component red) double-float) |
534 | ((ensure-color-component green) double-float) |
535 | ((ensure-color-component blue) double-float) |
536 | ((ensure-color-component alpha) double-float)) |
1ed0a2c5 |
537 | |
538 | (defbinding pattern-create-for-surface () pattern |
539 | (surface surface)) |
540 | |
541 | (defbinding pattern-create-linear () pattern |
542 | (x0 double-float) |
543 | (y0 double-float) |
544 | (x1 double-float) |
545 | (y1 double-float)) |
546 | |
547 | (defbinding pattern-create-radial () pattern |
548 | (cx0 double-float) |
549 | (cy0 double-float) |
550 | (radius0 double-float) |
551 | (cx1 double-float) |
552 | (cy1 double-float) |
553 | (radius1 double-float)) |
554 | |
3507be1a |
555 | (defbinding %pattern-reference () pointer |
1ed0a2c5 |
556 | (location pointer)) |
557 | |
558 | (defbinding %pattern-destroy () nil |
559 | (location pointer)) |
560 | |
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561 | (defbinding pattern-status () status |
562 | (pattern pattern)) |
563 | |
564 | |
565 | |
566 | ;;; Transformations |
567 | |
568 | (defbinding translate () nil |
569 | (cr context) |
570 | (tx double-float) |
571 | (ty double-float)) |
572 | |
81240b33 |
573 | (defbinding scale (cr sx &optional (sy sx)) nil |
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574 | (cr context) |
575 | (sx double-float) |
576 | (sy double-float)) |
577 | |
81240b33 |
578 | (defun scale-to-device (cr &optional keep-rotation-p) |
579 | (if keep-rotation-p |
580 | (multiple-value-call #'scale cr (device-to-user-distance cr 1.0)) |
c470da88 |
581 | (multiple-value-bind (x y) |
582 | (with-context (cr) |
583 | (move-to cr 0.0 0.0) |
584 | (multiple-value-call #'user-to-device cr (get-current-point cr))) |
585 | (identity-matrix cr) |
81240b33 |
586 | (translate cr x y)))) |
587 | |
1ed0a2c5 |
588 | (defbinding rotate () nil |
589 | (cr context) |
590 | (angle double-float)) |
591 | |
592 | (defbinding transform () nil |
593 | (cr context) |
594 | (matrix matrix)) |
595 | |
596 | (defbinding (matrix "cairo_get_matrix") () nil |
597 | (cr context) |
a82cea45 |
598 | ((make-instance 'matrix) matrix :in/return)) |
1ed0a2c5 |
599 | |
600 | (defbinding identity-matrix () nil |
601 | (cr context)) |
602 | |
603 | (defbinding user-to-device () nil |
604 | (cr context) |
a82cea45 |
605 | (x double-float :in/out) |
606 | (y double-float :in/out)) |
1ed0a2c5 |
607 | |
81240b33 |
608 | (defbinding user-to-device-distance (cr dx &optional (dy dx)) nil |
1ed0a2c5 |
609 | (cr context) |
a82cea45 |
610 | (dx double-float :in/out) |
611 | (dy double-float :in/out)) |
1ed0a2c5 |
612 | |
613 | (defbinding device-to-user () nil |
614 | (cr context) |
a82cea45 |
615 | (x double-float :in/out) |
616 | (y double-float :in/out)) |
1ed0a2c5 |
617 | |
81240b33 |
618 | (defbinding device-to-user-distance (cr dx &optional (dy dx)) nil |
1ed0a2c5 |
619 | (cr context) |
a82cea45 |
620 | (dx double-float :in/out) |
621 | (dy double-float :in/out)) |
1ed0a2c5 |
622 | |
623 | |
624 | ;;; Text |
625 | |
626 | (defbinding select-font-face () nil |
627 | (cr context) |
628 | (family string) |
629 | (slant font-slant) |
630 | (weight font-weight)) |
631 | |
632 | (defbinding set-font-size () nil |
633 | (cr context) |
634 | (size double-float)) |
635 | |
636 | (defbinding show-text () nil |
637 | (cr context) |
638 | (text string)) |
639 | |
640 | (defbinding show-glyphs () nil |
641 | (cr context) |
642 | (glyphs (vector glyph)) |
643 | ((length glyphs) int)) |
644 | |
645 | (defbinding font-extents () boolean |
646 | (cr context)) |
647 | |
648 | (defbinding text-extents (cr text &optional (extents (make-instance 'text-extents))) nil |
649 | (cr context) |
650 | (text string) |
a82cea45 |
651 | (extents text-extents :in/return)) |
1ed0a2c5 |
652 | |
653 | (defbinding glyph-extents (cr glyphs &optional (extents (make-instance 'text-extents))) nil |
654 | (cr context) |
655 | (glyphs (vector glyph)) |
656 | ((length glyphs) int) |
a82cea45 |
657 | (extents text-extents :in/return)) |
1ed0a2c5 |
658 | |
659 | |
660 | ;;; Fonts |
661 | |
3507be1a |
662 | (defbinding %font-face-reference () pointer |
1ed0a2c5 |
663 | (location pointer)) |
664 | |
665 | (defbinding %font-face-destroy () nil |
666 | (location pointer)) |
667 | |
1ed0a2c5 |
668 | (defbinding font-face-status () status |
669 | (font-face font-face)) |
670 | |
671 | |
672 | |
673 | ;;; Scaled Fonts |
674 | |
3507be1a |
675 | (defbinding %scaled-font-reference () pointer |
1ed0a2c5 |
676 | (location pointer)) |
677 | |
678 | (defbinding %scaled-font-destroy () nil |
679 | (location pointer)) |
680 | |
1ed0a2c5 |
681 | (defbinding scaled-font-status () status |
682 | (scaled-font scaled-font)) |
683 | |
684 | (defbinding scaled-font-extents (scaled-font &optional (extents (make-instance 'text-extents))) nil |
685 | (scaled-font scaled-font) |
a82cea45 |
686 | (extents text-extents :in/return)) |
1ed0a2c5 |
687 | |
688 | (defbinding scaled-font-glyph-extents (scaled-font glyphs &optional (extents (make-instance 'text-extents))) nil |
689 | (scaled-font scaled-font) |
690 | (glyphs (vector glyph)) |
691 | ((length glyphs) int) |
a82cea45 |
692 | (extents text-extents :in/return)) |
1ed0a2c5 |
693 | |
694 | (defbinding %scaled-font-create () pointer |
695 | (font-face font-face) |
696 | (font-matrix matrix) |
697 | (ctm matrix) |
698 | (options font-options)) |
699 | |
c1a5cdbb |
700 | (defmethod allocate-foreign ((scaled-font scaled-font) &key font-face font-matrix cmt options) |
701 | (%scaled-font-create font-face font-matrix cmt options)) |
1ed0a2c5 |
702 | |
703 | |
704 | |
705 | ;;; Font Options |
706 | |
707 | |
708 | (defbinding %font-options-copy () nil |
709 | (location pointer)) |
710 | |
711 | (defbinding %font-options-destroy () nil |
712 | (location pointer)) |
713 | |
1ed0a2c5 |
714 | (defbinding font-options-status () status |
715 | (font-options font-options)) |
716 | |
717 | (defbinding %font-options-create () pointer) |
718 | |
c1a5cdbb |
719 | (defmethod allocate-foreign ((font-options font-options) &rest initargs) |
1ed0a2c5 |
720 | (declare (ignore initargs)) |
c1a5cdbb |
721 | (%font-options-create)) |
1ed0a2c5 |
722 | |
723 | (defbinding font-options-merge () nil |
a82cea45 |
724 | (options1 font-options :in/return) |
1ed0a2c5 |
725 | (options2 font-options)) |
726 | |
727 | (defbinding font-options-hash () unsigned-int |
728 | (options font-options)) |
729 | |
730 | (defbinding font-options-equal-p () boolean |
731 | (options1 font-options) |
732 | (options2 font-options)) |
733 | |
734 | |
735 | |
736 | ;;; Surfaces |
737 | |
2e86f0c9 |
738 | (defmethod make-proxy-instance :around ((class surface-class) location |
739 | &rest initargs) |
740 | (let ((class (find-class (%surface-get-type location)))) |
741 | (apply #'call-next-method class location initargs))) |
742 | |
743 | (defbinding %surface-get-type () surface-type |
744 | (location pointer)) |
745 | |
3507be1a |
746 | (defbinding %surface-reference () pointer |
1ed0a2c5 |
747 | (location pointer)) |
748 | |
749 | (defbinding %surface-destroy () nil |
750 | (location pointer)) |
751 | |
2e86f0c9 |
752 | (defmethod reference-function ((class surface-class)) |
753 | (declare (ignore class)) |
754 | #'%surface-reference) |
755 | |
756 | (defmethod unreference-function ((class surface-class)) |
757 | (declare (ignore class)) |
758 | #'%surface-destroy) |
759 | |
760 | (defbinding %surface-set-user-data (surface key data-id) status |
761 | (surface pointer) |
762 | ((quark-intern key) pointer-data) |
763 | (data-id pointer-data) |
764 | (user-data-destroy-callback callback)) |
765 | |
766 | (defmethod (setf user-data) (data (surface surface) key) |
767 | (%surface-set-user-data (foreign-location surface) key (register-user-data data)) |
768 | data) |
769 | |
770 | (defbinding %surface-get-user-data () pointer-data |
771 | (surface surface) |
772 | (key pointer-data)) |
773 | |
774 | (defmethod user-data ((surface surface) key) |
775 | (find-user-data (%surface-get-user-data surface (quark-intern key)))) |
776 | |
1ed0a2c5 |
777 | (defbinding surface-create-similar () surface |
778 | (other surface) |
779 | (format surface-format ) |
780 | (width int) |
781 | (height int)) |
782 | |
783 | (defbinding surface-finish () nil |
784 | (surface surface)) |
785 | |
786 | (defbinding surface-flush () nil |
787 | (surface surface)) |
788 | |
789 | (defbinding surface-get-font-options () nil |
790 | (surface surface) |
a82cea45 |
791 | ((make-instance 'font-options) font-options :in/return)) |
1ed0a2c5 |
792 | |
793 | (defbinding surface-set-device-offset () nil |
794 | (surface surface) |
795 | (x-offset double-float) |
796 | (y-offset double-float)) |
797 | |
798 | (defbinding surface-status () status |
799 | (surface surface)) |
800 | |
801 | (defbinding %surface-mark-dirty () nil |
802 | (surface surface)) |
803 | |
804 | (defbinding %surface-mark-dirty-rectangle () nil |
805 | (surface surface) |
806 | (x int) |
807 | (y int) |
808 | (width int) |
809 | (height int)) |
810 | |
811 | (defun surface-mark-dirty (surface &optional x y width height) |
812 | (if x |
813 | (%surface-mark-dirty-rectangle surface x y width height) |
814 | (%surface-mark-dirty surface))) |
815 | |
81240b33 |
816 | (defbinding surface-set-fallback-resolution () nil |
817 | (surface surface) |
818 | (x-pixels-per-inch double-float) |
819 | (y-pixels-per-inch double-float)) |
1ed0a2c5 |
820 | |
2e86f0c9 |
821 | (define-callback stream-write-func status |
822 | ((stream-id pointer-data) (data pointer) (length unsigned-int)) |
823 | (let ((stream (find-user-data stream-id))) |
824 | (typecase stream |
825 | (stream |
826 | (map-c-vector 'nil #'(lambda (octet) (write-byte octet stream)) |
827 | data '(unsigned-byte 8) length)) |
828 | ((or symbol function) |
829 | (funcall stream |
830 | (map-c-vector 'vector #'identity data '(unsigned-byte 8) length))))) |
831 | :success) |
832 | |
1ed0a2c5 |
833 | |
834 | ;; Image Surface |
835 | |
836 | ;; Should data be automatically freed when the surface is GCed? |
c1a5cdbb |
837 | (defmethod allocate-foreign ((surface image-surface) |
2e86f0c9 |
838 | &key filename width height stride format data) |
839 | (cond |
840 | (filename (%image-surface-create-from-png filename)) |
841 | ((not data) (%image-surface-create format width height)) |
842 | (t |
c1a5cdbb |
843 | (%image-surface-create-for-data data format width height |
844 | (or |
845 | stride |
846 | (let ((element-size (cdr (assoc format '((:argb32 . 4) (:rgb24 . 4) (:a8 . 1) (:a1 1/8)))))) |
2e86f0c9 |
847 | (ceiling (* width element-size)))))))) |
1ed0a2c5 |
848 | |
849 | |
2e86f0c9 |
850 | (defbinding %image-surface-create () pointer |
1ed0a2c5 |
851 | (format surface-format) |
852 | (width int) |
853 | (hegit int)) |
854 | |
2e86f0c9 |
855 | (defbinding %image-surface-create-for-data () pointer |
1ed0a2c5 |
856 | (data pointer) |
857 | (format surface-format) |
858 | (width int) |
859 | (hegit int) |
860 | (stride int)) |
861 | |
2e86f0c9 |
862 | (defbinding %image-surface-create-from-png () pointer |
863 | (filename pathname)) |
1ed0a2c5 |
864 | |
2e86f0c9 |
865 | (defbinding surface-write-to-png () status |
866 | (surface surface) |
867 | (filename pathname)) |
868 | |
869 | |
870 | ;;; PDF Surface |
871 | |
872 | (defmethod allocate-foreign ((surface pdf-surface) |
873 | &key filename stream width height) |
874 | (cond |
875 | ((and filename stream) |
876 | (error "Only one of the arguments :filename and :stream may be specified")) |
877 | (filename (%pdf-surface-create filename width height)) |
878 | (stream |
879 | (let* ((stream-id (register-user-data stream)) |
880 | (location (%pdf-surface-create-for-stream stream-id width height))) |
881 | (%surface-set-user-data location 'stream stream-id) |
882 | location)))) |
883 | |
884 | |
885 | (defbinding %pdf-surface-create () pointer |
886 | (filename pathname) |
887 | (width double-float) |
888 | (height double-float)) |
889 | |
890 | (defbinding %pdf-surface-create-for-stream (stream width height) pointer |
891 | (stream-write-func callback) |
892 | (stream pointer-data) |
893 | (width double-float) |
894 | (height double-float)) |
895 | |
896 | (defbinding pdf-surface-set-size () nil |
897 | (surface pdf-surface) |
898 | (width double-float) |
899 | (height double-float)) |
900 | |
901 | |
902 | ;;; PS Surface |
903 | |
904 | (defmethod allocate-foreign ((surface ps-surface) |
905 | &key filename stream width height) |
906 | (cond |
907 | ((and filename stream) |
908 | (error "Only one of the arguments :filename and :stream may be specified")) |
909 | (filename (%ps-surface-create filename width height)) |
910 | (stream |
911 | (let* ((stream-id (register-user-data stream)) |
912 | (location (%ps-surface-create-for-stream stream-id width height))) |
913 | (%surface-set-user-data location 'stream stream-id) |
914 | location)))) |
915 | |
916 | (defbinding %ps-surface-create () pointer |
917 | (filename pathname) |
918 | (width double-float) |
919 | (height double-float)) |
920 | |
921 | (defbinding %ps-surface-create-for-stream (stream width height) pointer |
922 | (stream-write-func callback) |
923 | (stream pointer-data) |
924 | (width double-float) |
925 | (height double-float)) |
926 | |
927 | (defbinding ps-surface-set-size () nil |
928 | (surface ps-surface) |
929 | (width double-float) |
930 | (height double-float)) |
931 | |
932 | (defbinding ps-surface-dsc-begin-setup () nil |
933 | (surface ps-surface)) |
934 | |
935 | (defbinding ps-surface-dsc-begin-page-setup () nil |
936 | (surface ps-surface)) |
937 | |
938 | (defbinding ps-surface-dsc-comment () nil |
939 | (surface ps-surface) |
940 | (comment string)) |
941 | |
942 | |
943 | ;;; SVG Surface |
944 | |
945 | (defmethod allocate-foreign ((surface svg-surface) |
946 | &key filename stream width height) |
947 | (cond |
948 | ((and filename stream) |
949 | (error "Only one of the arguments :filename and :stream may be specified")) |
950 | (filename (%svg-surface-create filename width height)) |
951 | (stream |
952 | (let* ((stream-id (register-user-data stream)) |
953 | (location (%svg-surface-create-for-stream stream-id width height))) |
954 | (%surface-set-user-data location 'stream stream-id) |
955 | location)))) |
956 | |
957 | (defbinding %svg-surface-create () pointer |
958 | (filename pathname) |
959 | (width double-float) |
960 | (height double-float)) |
961 | |
962 | (defbinding %svg-surface-create-for-stream (stream width height) pointer |
963 | (stream-write-func callback) |
964 | (stream pointer-data) |
965 | (width double-float) |
966 | (height double-float)) |
967 | |
968 | (defbinding svg-surface-restrict-to-version () nil |
969 | (surface svg-surface) |
970 | (version svg-version)) |
1ed0a2c5 |
971 | |
972 | |
973 | |
974 | ;;; Matrices |
975 | |
976 | (defbinding matrix-init () nil |
a82cea45 |
977 | (matrix matrix :in/return) |
1ed0a2c5 |
978 | (xx double-float) (yx double-float) |
979 | (xy double-float) (yy double-float) |
980 | (x0 double-float) (y0 double-float)) |
981 | |
2e86f0c9 |
982 | (defbinding matrix-init-identity (&optional (matrix (make-instance 'matrix))) nil |
a82cea45 |
983 | (matrix matrix :in/return)) |
1ed0a2c5 |
984 | |
985 | (defbinding matrix-init-translate () nil |
a82cea45 |
986 | (matrix matrix :in/return) |
1ed0a2c5 |
987 | (tx double-float) |
988 | (ty double-float)) |
989 | |
990 | (defbinding matrix-init-scale () nil |
a82cea45 |
991 | (matrix matrix :in/return) |
1ed0a2c5 |
992 | (sx double-float) |
993 | (sy double-float)) |
994 | |
995 | (defbinding matrix-init-rotate () nil |
a82cea45 |
996 | (matrix matrix :in/return) |
1ed0a2c5 |
997 | (radians double-float)) |
998 | |
999 | (defbinding matrix-translate () nil |
a82cea45 |
1000 | (matrix matrix :in/return) |
1ed0a2c5 |
1001 | (tx double-float) |
1002 | (ty double-float)) |
1003 | |
1004 | (defbinding matrix-scale () nil |
a82cea45 |
1005 | (matrix matrix :in/return) |
1ed0a2c5 |
1006 | (sx double-float) |
1007 | (sy double-float)) |
1008 | |
1009 | (defbinding matrix-rotate () nil |
a82cea45 |
1010 | (matrix matrix :in/return) |
1ed0a2c5 |
1011 | (radians double-float)) |
1012 | |
1013 | (defbinding matrix-invert () nil |
a82cea45 |
1014 | (matrix matrix :in/return)) |
1ed0a2c5 |
1015 | |
1016 | (defbinding matrix-multiply () nil |
1017 | (result matrix :out) |
1018 | (a matrix) |
1019 | (b matrix)) |
1020 | |
1021 | (defbinding matrix-transform-distance () nil |
a82cea45 |
1022 | (matrix matrix :in/return) |
1ed0a2c5 |
1023 | (dx double-float) |
1024 | (dy double-float)) |
1025 | |
1026 | (defbinding matrix-transform-point () nil |
a82cea45 |
1027 | (matrix matrix :in/return) |
1ed0a2c5 |
1028 | (x double-float) |
1029 | (y double-float)) |
1030 | |
1031 | |
1032 | |