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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 | |
81240b33 |
23 | ;; $Id: cairo.lisp,v 1.8 2007-01-11 10:20:22 espen Exp $ |
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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 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
30 | (define-enum-type content :color :alpha :color-alpha) |
31 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
32 | (define-enum-type surface-type |
33 | :image :pdf :ps :xlib :xcb :glitz :quartz :win32 :beos :directfb |
34 | :svg :nquartz :os2) |
35 | |
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36 | |
37 | (define-enum-type status |
38 | :success :no-memory :invalid-restore :invalid-pop-group |
39 | :no-current-point :invalid-matrix :invalid-status :null-pointer |
40 | :invalid-string :invalid-path-data :read-error :write-error |
41 | :surface-finished :surface-type-mismatch :pattern-type-mismatch |
42 | :invalid-content :invalid-format :invalid-visual :file-not-found |
43 | :invalid-dash) |
44 | |
45 | (define-enum-type fill-rule :winding :even-odd) |
46 | (define-enum-type line-cap :butt :round :square) |
47 | (define-enum-type line-join :miter :round :bevel) |
48 | (define-enum-type font-slant :normal :itaic :oblique) |
49 | (define-enum-type font-weight :normal :bold) |
50 | |
51 | (define-enum-type operator |
52 | :clear :source :over :in :out :atop :dest :dest-over |
53 | :dest-in :dest-out :dest-atop :xor :add :saturate) |
54 | |
55 | (define-enum-type antialias :default :none :gray :subpixel) |
56 | (define-enum-type extend :none :repeat :reflect) |
57 | (define-enum-type filter :fast :good :best :nearest :bilinear :gaussian) |
58 | (define-enum-type subpixel-order :default :rgb :bgr :vrgb :vbgr) |
59 | (define-enum-type hint-style :default :none :slight :medium :full) |
60 | (define-enum-type hint-metrics :default :off :on) |
61 | |
c7d11ab8 |
62 | (defclass glyph (struct) |
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63 | ((index |
64 | :allocation :alien |
65 | :initarg :index |
66 | :accessor glyph-index |
67 | :type unsigned-long) |
68 | (x |
69 | :allocation :alien |
70 | :initarg :x |
71 | :accessor glyph-x |
72 | :type double-float) |
73 | (y |
74 | :allocation :alien |
75 | :initarg :y |
76 | :accessor glyph-y |
77 | :type double-float)) |
78 | (:metaclass struct-class)) |
79 | |
80 | (defclass font-face (proxy) |
81 | () |
a82cea45 |
82 | (:metaclass proxy-class) |
83 | (:ref %font-face-reference) |
84 | (:unref %font-face-destroy)) |
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85 | |
86 | (defclass font-options (proxy) |
87 | ((antialias |
88 | :allocation :virtual |
89 | :getter "font_options_get_antialias" |
90 | :setter "font_options_set_antialias" |
91 | :accessor font-options-antialias |
92 | :type antialias) |
93 | (subpixel-order |
94 | :allocation :virtual |
95 | :getter "font_options_get_subpixel_order" |
96 | :setter "font_options_set_subpixel_order" |
97 | :accessor font-options-subpixel-order |
98 | :type subpixel-order) |
99 | (hint-style |
100 | :allocation :virtual |
101 | :getter "font_options_get_hint_style" |
102 | :setter "font_options_set_hint_style" |
103 | :accessor font-options-hint-style |
104 | :type hint-style) |
105 | (hint-metrics |
106 | :allocation :virtual |
107 | :getter "font_options_get_hint_metrics" |
108 | :setter "font_options_set_hint_metrics" |
109 | :accessor font-options-hint-metrics |
110 | :type hint-metrics)) |
a82cea45 |
111 | (:metaclass proxy-class) |
112 | (:ref %font-options-reference) |
113 | (:unref %font-options-destroy)) |
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114 | |
115 | (defclass scaled-font (proxy) |
116 | () |
a82cea45 |
117 | (:metaclass proxy-class) |
118 | (:ref %scaled-font-reference) |
119 | (:unref %scaled-font-destroy)) |
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120 | |
121 | (defclass matrix (struct) |
122 | ((xx :allocation :alien :initarg :xx :initform 1.0 |
123 | :accessor matrix-xx :type double-float) |
124 | (yx :allocation :alien :initarg :yx :initform 0.0 |
125 | :accessor matrix-yx :type double-float) |
126 | (xy :allocation :alien :initarg :xy :initform 1.0 |
127 | :accessor matrix-xy :type double-float) |
128 | (yy :allocation :alien :initarg :yy :initform 0.0 |
129 | :accessor matrix-yy :type double-float) |
130 | (x0 :allocation :alien :initarg :x0 :initform 0.0 |
131 | :accessor matrix-x0 :type double-float) |
132 | (y0 :allocation :alien :initarg :y0 :initform 0.0 |
133 | :accessor matrix-y0 :type double-float)) |
134 | (:metaclass struct-class)) |
135 | |
136 | |
137 | (defclass text-extents (struct) |
138 | ((x-bearing :allocation :alien :reader text-extents-x-bearing :type double-float) |
139 | (y-bearing :allocation :alien :reader text-extents-y-bearing :type double-float) |
140 | (width :allocation :alien :reader text-extents-width :type double-float) |
141 | (height :allocation :alien :reader text-extents-height :type double-float) |
142 | (x-advance :allocation :alien :reader text-extents-x-advance :type double-float) |
143 | (y-advance :allocation :alien :reader text-extents-y-advance :type double-float)) |
144 | (:metaclass struct-class)) |
145 | |
146 | (defclass pattern (proxy) |
147 | ((extend |
148 | :allocation :virtual |
149 | :getter "cairo_pattern_get_extend" |
150 | :setter "cairo_pattern_set_extend" |
151 | :accessor pattern-extend |
152 | :type extend) |
153 | (filter |
154 | :allocation :virtual |
155 | :getter "cairo_pattern_get_filter" |
156 | :setter "cairo_pattern_set_filter" |
157 | :accessor pattern-filter |
158 | :type filter) |
159 | (matrix |
160 | :allocation :virtual |
161 | :getter "cairo_pattern_get_matrix" |
162 | :setter "cairo_pattern_set_matrix" |
163 | :accessor pattern-matrix |
164 | :type matrix)) |
a82cea45 |
165 | (:metaclass proxy-class) |
166 | (:ref %pattern-reference) |
167 | (:unref %pattern-destroy)) |
168 | |
169 | |
170 | (defclass surface (proxy) |
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171 | (#?(pkg-exists-p "cairo" :atleast-version "1.2") |
172 | (type |
173 | :allocation :virtual |
174 | :getter "cairo_surface_get_tyoe" |
175 | :reader surface-type |
176 | :type surface-type) |
177 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
178 | (content |
179 | :allocation :virtual |
180 | :getter "cairo_surface_get_content" |
181 | :reader surface-content |
182 | :type content)) |
a82cea45 |
183 | (:metaclass proxy-class) |
184 | (:ref %surface-reference) |
185 | (:unref %surface-destroy)) |
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186 | |
187 | (defclass context (proxy) |
188 | ((target |
189 | :allocation :virtual |
190 | :getter "cairo_get_target" |
191 | :reader target |
192 | :type surface) |
193 | (source |
194 | :allocation :virtual |
195 | :getter "cairo_get_source" |
196 | :setter "cairo_set_source" |
197 | :accessor source |
198 | :type pattern) |
199 | (antialias |
200 | :allocation :virtual |
201 | :getter "cairo_get_antialias" |
202 | :setter "cairo_set_antialias" |
203 | :accessor antialias |
204 | :type antialias) |
205 | (tolerance |
206 | :allocation :virtual |
207 | :getter "cairo_get_tolerance" |
208 | :setter "cairo_set_tolerance" |
209 | :accessor tolerance |
210 | :type double-float) |
211 | (fill-rule |
212 | :allocation :virtual |
213 | :getter "cairo_get_fill_rule" |
214 | :setter "cairo_set_fill_rule" |
215 | :accessor fill-rule |
216 | :type fill-rule) |
217 | (line-width |
218 | :allocation :virtual |
219 | :getter "cairo_get_line_width" |
220 | :setter "cairo_set_line_width" |
221 | :accessor line-width |
222 | :type double-float) |
223 | (line-cap |
224 | :allocation :virtual |
225 | :getter "cairo_get_line_cap" |
226 | :setter "cairo_set_line_cap" |
227 | :accessor line-cap |
228 | :type line-cap) |
229 | (line-join |
230 | :allocation :virtual |
231 | :getter "cairo_get_line_join" |
232 | :setter "cairo_set_line_join" |
233 | :accessor line-join |
234 | :type line-join) |
235 | (miter-limit |
236 | :allocation :virtual |
237 | :getter "cairo_get_miter_limit" |
238 | :setter "cairo_set_miter_limit" |
239 | :accessor miter-limit |
240 | :type double-float) |
241 | (font-matrix |
242 | :allocation :virtual |
243 | :getter "cairo_get_font_matrix" |
244 | :setter "cairo_set_font_matrix" |
245 | :accessor font-matrix |
246 | :type matrix) |
247 | (font-options |
248 | :allocation :virtual |
249 | :getter "cairo_get_font_options" |
250 | :setter "cairo_set_font_options" |
251 | :accessor font-options |
252 | :type font-options) |
253 | (font-face |
254 | :allocation :virtual |
255 | :getter "cairo_get_font_face" |
256 | :setter "cairo_set_font_face" |
257 | :accessor font-face |
258 | :type font-face) |
259 | (operator |
260 | :allocation :virtual |
261 | :getter "cairo_get_operator" |
262 | :setter "cairo_set_operator" |
263 | :accessor operator |
264 | :type operator) |
265 | (matrix |
266 | :allocation :virtual |
267 | :getter matrix |
268 | :setter "cairo_set_matrix" |
269 | :writer (setf matrix) |
270 | :type matrix) |
271 | ) |
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272 | (:metaclass proxy-class) |
273 | (:ref %reference) |
274 | (:unref %destroy)) |
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275 | |
276 | (defclass image-surface (surface) |
277 | ((width |
278 | :allocation :virtual |
279 | :getter "cairo_image_surface_get_width" |
280 | :reader surface-width |
281 | :type int) |
282 | (height |
283 | :allocation :virtual |
284 | :getter "cairo_image_surface_get_height" |
285 | :reader surface-height |
286 | :type int)) |
a82cea45 |
287 | (:metaclass proxy-class) |
288 | (:ref %surface-reference) |
289 | (:unref %surface-destroy)) |
290 | |
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291 | |
292 | ;; (defclass path (proxy) |
293 | ;; () |
294 | ;; (:metaclass proxy-class)) |
295 | |
296 | ) |
297 | |
298 | |
299 | ;;; Cairo context |
300 | |
301 | (defbinding %reference () nil |
302 | (location pointer)) |
303 | |
304 | (defbinding %destroy () nil |
305 | (location pointer)) |
306 | |
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307 | (defbinding (save-context "cairo_save") () nil |
308 | (cr context)) |
309 | |
310 | (defbinding (restore-context "cairo_restore") () nil |
311 | (cr context)) |
312 | |
313 | (defmacro with-context ((cr) &body body) |
314 | (let ((context (make-symbol "CONTEXT"))) |
315 | `(let ((,context ,cr)) |
316 | (save-context ,context) |
317 | (unwind-protect |
318 | (progn ,@body) |
319 | (restore-context ,context))))) |
320 | |
321 | (defbinding status () status |
322 | (cr context)) |
323 | |
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324 | (defun ensure-color-component (component) |
325 | (etypecase component |
326 | (float component) |
327 | (integer (/ component 256.0)))) |
328 | |
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329 | (defbinding (set-source-color "cairo_set_source_rgba") (cr red green blue &optional (alpha 1.0)) nil |
330 | (cr context) |
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331 | ((ensure-color-component red) double-float) |
332 | ((ensure-color-component green) double-float) |
333 | ((ensure-color-component blue) double-float) |
334 | ((ensure-color-component alpha) double-float)) |
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335 | |
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336 | (defbinding set-source-surface (cr surface &optional (x 0.0) (y 0.0)) nil |
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337 | (cr context) |
338 | (surface surface) |
339 | (x double-float) |
340 | (y double-float)) |
341 | |
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342 | (defun set-source (cr source) |
343 | (etypecase source |
344 | (pattern (setf (source cr) source)) |
345 | (surface (set-source-surface cr source)) |
346 | (list (apply #'set-source-color cr source)) |
347 | (vector (apply #'set-source-color cr (coerce source 'list))) |
348 | (null (set-source-color cr 0.0 0.0 0.0)))) |
349 | |
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350 | (defbinding set-dash (cr dashes &optional (offset 0.0)) nil |
351 | (cr context) |
352 | (dashes (vector double-float)) |
353 | ((length dashes) int) |
354 | (offset double-float)) |
355 | |
356 | (defbinding (paint "cairo_paint_with_alpha") (cr &optional (alpha 1.0)) nil |
357 | (cr context) |
358 | (alpha double-float)) |
359 | |
360 | (defbinding mask () nil |
361 | (cr context) |
362 | (pattern pattern)) |
363 | |
364 | (defbinding mask-surface () nil |
365 | (cr context) |
366 | (surface surface) |
367 | (surface-x double-float) |
368 | (surface-y double-float)) |
369 | |
370 | (defmacro defoperator (name &optional clip-p) |
371 | (let ((iname (intern (format nil "%~A" name))) |
372 | (pname (intern (format nil "%~A-PRESERVE" name)))) |
373 | `(progn |
374 | (defbinding ,iname () nil |
375 | (cr context)) |
376 | (defbinding ,pname () nil |
377 | (cr context)) |
378 | (defun ,name (cr &optional preserve) |
379 | (if preserve |
380 | (,pname cr) |
381 | (,iname cr))) |
382 | ,(unless clip-p |
2f60440d |
383 | (let ((tname (intern (format nil "IN-~A-P" name))) |
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384 | (ename (intern (format nil "~A-EXTENTS" name)))) |
385 | `(progn |
386 | (defbinding ,tname () boolean |
387 | (cr context) |
388 | (x double-float) |
389 | (y double-float)) |
390 | (defbinding ,ename () boolean |
391 | (cr context) |
392 | (x1 double-float :out) |
393 | (y1 double-float :out) |
394 | (x2 double-float :out) |
395 | (y2 double-float :out)))))))) |
396 | |
397 | (defoperator clip t) |
398 | (defoperator stroke) |
399 | (defoperator fill) |
400 | |
401 | (defbinding reset-clip () nil |
402 | (cr context)) |
403 | |
404 | (defbinding copy-page () nil |
405 | (cr context)) |
406 | |
407 | (defbinding show-page () nil |
408 | (cr context)) |
409 | |
410 | |
411 | ;;; Paths |
412 | |
413 | (defbinding get-current-point () nil |
414 | (cr context) |
415 | (x double-float :out) |
416 | (y double-float :out)) |
417 | |
418 | (defbinding new-path () nil |
419 | (cr context)) |
420 | |
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421 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
422 | (defbinding new-sub-path () nil |
423 | (cr context)) |
424 | |
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425 | (defbinding close-path () nil |
426 | (cr context)) |
427 | |
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428 | (defmacro defpath (name args &optional relative-p) |
429 | (flet ((def (name type) |
430 | `(progn |
431 | ,(when (eq type 'optimized-double-float) |
432 | `(declaim (ftype (function (context ,@(loop repeat (length args) collect 'double-float))) ,(first name)))) |
433 | (defbinding ,name () nil |
434 | (cr context) |
435 | ,@(mapcar #'(lambda (arg) (list arg type)) args))))) |
436 | |
437 | `(progn |
438 | ,(def name 'double-float) |
439 | ,(let ((name (intern (format nil "FAST-~A" name))) |
440 | (cname (gffi::default-alien-fname name))) |
441 | (def (list name cname) 'optimized-double-float)) |
442 | ,@(when relative-p |
443 | (let* ((rel-name (intern (format nil "REL-~A" name))) |
444 | (fast-rel-name (intern (format nil "FAST-REL-~A" name))) |
445 | (cname (gffi::default-alien-fname rel-name))) |
446 | (list |
447 | (def rel-name 'double-float) |
448 | (def (list fast-rel-name cname) 'optimized-double-float))))))) |
449 | |
450 | |
451 | (defpath arc (xc yc radius angle1 angle2)) |
452 | (defpath arc-negative (xc yc radius angle1 angle2)) |
453 | (defpath curve-to (x1 y1 x2 y2 x3 y3) t) |
454 | (defpath line-to (x y) t) |
455 | (defpath move-to (x y) t) |
456 | (defpath rectangle (x y width height)) |
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457 | |
458 | (defun circle (cr x y radius) |
459 | (arc cr x y radius 0.0 (* pi 2))) |
460 | |
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461 | (defbinding glyph-path (cr glyphs) nil |
462 | (cr context) |
463 | (glyphs (vector glyph)) |
464 | ((length glyphs) int)) |
465 | |
466 | (defbinding text-path () nil |
467 | (cr context) |
468 | (text string)) |
469 | |
470 | |
471 | |
472 | ;;; Patterns |
473 | |
474 | (defbinding (pattern-add-color-stop "cairo_pattern_add_color_stop_rgba") |
475 | (pattern offset red green blue &optional (alpha 1.0)) nil |
476 | (pattern pattern) |
477 | (offset double-float) |
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478 | ((ensure-color-component red) double-float) |
479 | ((ensure-color-component green) double-float) |
480 | ((ensure-color-component blue) double-float) |
481 | ((ensure-color-component alpha) double-float)) |
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482 | |
483 | (defbinding (pattern-create "cairo_pattern_create_rgba") |
484 | (red green blue &optional (alpha 1.0)) pattern |
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485 | ((ensure-color-component red) double-float) |
486 | ((ensure-color-component green) double-float) |
487 | ((ensure-color-component blue) double-float) |
488 | ((ensure-color-component alpha) double-float)) |
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489 | |
490 | (defbinding pattern-create-for-surface () pattern |
491 | (surface surface)) |
492 | |
493 | (defbinding pattern-create-linear () pattern |
494 | (x0 double-float) |
495 | (y0 double-float) |
496 | (x1 double-float) |
497 | (y1 double-float)) |
498 | |
499 | (defbinding pattern-create-radial () pattern |
500 | (cx0 double-float) |
501 | (cy0 double-float) |
502 | (radius0 double-float) |
503 | (cx1 double-float) |
504 | (cy1 double-float) |
505 | (radius1 double-float)) |
506 | |
507 | (defbinding %pattern-reference () nil |
508 | (location pointer)) |
509 | |
510 | (defbinding %pattern-destroy () nil |
511 | (location pointer)) |
512 | |
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513 | (defbinding pattern-status () status |
514 | (pattern pattern)) |
515 | |
516 | |
517 | |
518 | ;;; Transformations |
519 | |
520 | (defbinding translate () nil |
521 | (cr context) |
522 | (tx double-float) |
523 | (ty double-float)) |
524 | |
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525 | (defbinding scale (cr sx &optional (sy sx)) nil |
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526 | (cr context) |
527 | (sx double-float) |
528 | (sy double-float)) |
529 | |
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530 | (defun scale-to-device (cr &optional keep-rotation-p) |
531 | (if keep-rotation-p |
532 | (multiple-value-call #'scale cr (device-to-user-distance cr 1.0)) |
533 | (multiple-value-bind (x y) |
534 | (multiple-value-call #'user-to-device cr (get-current-point cr)) |
535 | (identity-matrix cr) |
536 | (translate cr x y)))) |
537 | |
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538 | (defbinding rotate () nil |
539 | (cr context) |
540 | (angle double-float)) |
541 | |
542 | (defbinding transform () nil |
543 | (cr context) |
544 | (matrix matrix)) |
545 | |
546 | (defbinding (matrix "cairo_get_matrix") () nil |
547 | (cr context) |
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548 | ((make-instance 'matrix) matrix :in/return)) |
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549 | |
550 | (defbinding identity-matrix () nil |
551 | (cr context)) |
552 | |
553 | (defbinding user-to-device () nil |
554 | (cr context) |
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555 | (x double-float :in/out) |
556 | (y double-float :in/out)) |
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557 | |
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558 | (defbinding user-to-device-distance (cr dx &optional (dy dx)) nil |
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559 | (cr context) |
a82cea45 |
560 | (dx double-float :in/out) |
561 | (dy double-float :in/out)) |
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562 | |
563 | (defbinding device-to-user () nil |
564 | (cr context) |
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565 | (x double-float :in/out) |
566 | (y double-float :in/out)) |
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567 | |
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568 | (defbinding device-to-user-distance (cr dx &optional (dy dx)) nil |
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569 | (cr context) |
a82cea45 |
570 | (dx double-float :in/out) |
571 | (dy double-float :in/out)) |
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572 | |
573 | |
574 | ;;; Text |
575 | |
576 | (defbinding select-font-face () nil |
577 | (cr context) |
578 | (family string) |
579 | (slant font-slant) |
580 | (weight font-weight)) |
581 | |
582 | (defbinding set-font-size () nil |
583 | (cr context) |
584 | (size double-float)) |
585 | |
586 | (defbinding show-text () nil |
587 | (cr context) |
588 | (text string)) |
589 | |
590 | (defbinding show-glyphs () nil |
591 | (cr context) |
592 | (glyphs (vector glyph)) |
593 | ((length glyphs) int)) |
594 | |
595 | (defbinding font-extents () boolean |
596 | (cr context)) |
597 | |
598 | (defbinding text-extents (cr text &optional (extents (make-instance 'text-extents))) nil |
599 | (cr context) |
600 | (text string) |
a82cea45 |
601 | (extents text-extents :in/return)) |
1ed0a2c5 |
602 | |
603 | (defbinding glyph-extents (cr glyphs &optional (extents (make-instance 'text-extents))) nil |
604 | (cr context) |
605 | (glyphs (vector glyph)) |
606 | ((length glyphs) int) |
a82cea45 |
607 | (extents text-extents :in/return)) |
1ed0a2c5 |
608 | |
609 | |
610 | ;;; Fonts |
611 | |
612 | (defbinding %font-face-reference () nil |
613 | (location pointer)) |
614 | |
615 | (defbinding %font-face-destroy () nil |
616 | (location pointer)) |
617 | |
1ed0a2c5 |
618 | (defbinding font-face-status () status |
619 | (font-face font-face)) |
620 | |
621 | |
622 | |
623 | ;;; Scaled Fonts |
624 | |
625 | (defbinding %scaled-font-reference () nil |
626 | (location pointer)) |
627 | |
628 | (defbinding %scaled-font-destroy () nil |
629 | (location pointer)) |
630 | |
1ed0a2c5 |
631 | (defbinding scaled-font-status () status |
632 | (scaled-font scaled-font)) |
633 | |
634 | (defbinding scaled-font-extents (scaled-font &optional (extents (make-instance 'text-extents))) nil |
635 | (scaled-font scaled-font) |
a82cea45 |
636 | (extents text-extents :in/return)) |
1ed0a2c5 |
637 | |
638 | (defbinding scaled-font-glyph-extents (scaled-font glyphs &optional (extents (make-instance 'text-extents))) nil |
639 | (scaled-font scaled-font) |
640 | (glyphs (vector glyph)) |
641 | ((length glyphs) int) |
a82cea45 |
642 | (extents text-extents :in/return)) |
1ed0a2c5 |
643 | |
644 | (defbinding %scaled-font-create () pointer |
645 | (font-face font-face) |
646 | (font-matrix matrix) |
647 | (ctm matrix) |
648 | (options font-options)) |
649 | |
c1a5cdbb |
650 | (defmethod allocate-foreign ((scaled-font scaled-font) &key font-face font-matrix cmt options) |
651 | (%scaled-font-create font-face font-matrix cmt options)) |
1ed0a2c5 |
652 | |
653 | |
654 | |
655 | ;;; Font Options |
656 | |
657 | |
658 | (defbinding %font-options-copy () nil |
659 | (location pointer)) |
660 | |
661 | (defbinding %font-options-destroy () nil |
662 | (location pointer)) |
663 | |
1ed0a2c5 |
664 | (defbinding font-options-status () status |
665 | (font-options font-options)) |
666 | |
667 | (defbinding %font-options-create () pointer) |
668 | |
c1a5cdbb |
669 | (defmethod allocate-foreign ((font-options font-options) &rest initargs) |
1ed0a2c5 |
670 | (declare (ignore initargs)) |
c1a5cdbb |
671 | (%font-options-create)) |
1ed0a2c5 |
672 | |
673 | (defbinding font-options-merge () nil |
a82cea45 |
674 | (options1 font-options :in/return) |
1ed0a2c5 |
675 | (options2 font-options)) |
676 | |
677 | (defbinding font-options-hash () unsigned-int |
678 | (options font-options)) |
679 | |
680 | (defbinding font-options-equal-p () boolean |
681 | (options1 font-options) |
682 | (options2 font-options)) |
683 | |
684 | |
685 | |
686 | ;;; Surfaces |
687 | |
688 | (defbinding %surface-reference () nil |
689 | (location pointer)) |
690 | |
691 | (defbinding %surface-destroy () nil |
692 | (location pointer)) |
693 | |
1ed0a2c5 |
694 | (defbinding surface-create-similar () surface |
695 | (other surface) |
696 | (format surface-format ) |
697 | (width int) |
698 | (height int)) |
699 | |
700 | (defbinding surface-finish () nil |
701 | (surface surface)) |
702 | |
703 | (defbinding surface-flush () nil |
704 | (surface surface)) |
705 | |
706 | (defbinding surface-get-font-options () nil |
707 | (surface surface) |
a82cea45 |
708 | ((make-instance 'font-options) font-options :in/return)) |
1ed0a2c5 |
709 | |
710 | (defbinding surface-set-device-offset () nil |
711 | (surface surface) |
712 | (x-offset double-float) |
713 | (y-offset double-float)) |
714 | |
715 | (defbinding surface-status () status |
716 | (surface surface)) |
717 | |
718 | (defbinding %surface-mark-dirty () nil |
719 | (surface surface)) |
720 | |
721 | (defbinding %surface-mark-dirty-rectangle () nil |
722 | (surface surface) |
723 | (x int) |
724 | (y int) |
725 | (width int) |
726 | (height int)) |
727 | |
728 | (defun surface-mark-dirty (surface &optional x y width height) |
729 | (if x |
730 | (%surface-mark-dirty-rectangle surface x y width height) |
731 | (%surface-mark-dirty surface))) |
732 | |
81240b33 |
733 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
734 | (defbinding surface-set-fallback-resolution () nil |
735 | (surface surface) |
736 | (x-pixels-per-inch double-float) |
737 | (y-pixels-per-inch double-float)) |
1ed0a2c5 |
738 | |
739 | |
740 | ;; Image Surface |
741 | |
742 | ;; Should data be automatically freed when the surface is GCed? |
c1a5cdbb |
743 | (defmethod allocate-foreign ((surface image-surface) |
744 | &key width height stride format data) |
745 | (if (not data) |
746 | (%image-surface-create format width height) |
747 | (%image-surface-create-for-data data format width height |
748 | (or |
749 | stride |
750 | (let ((element-size (cdr (assoc format '((:argb32 . 4) (:rgb24 . 4) (:a8 . 1) (:a1 1/8)))))) |
751 | (ceiling (* width element-size))))))) |
1ed0a2c5 |
752 | |
753 | |
754 | (defbinding %image-surface-create () image-surface |
755 | (format surface-format) |
756 | (width int) |
757 | (hegit int)) |
758 | |
759 | (defbinding %image-surface-create-for-data () image-surface |
760 | (data pointer) |
761 | (format surface-format) |
762 | (width int) |
763 | (hegit int) |
764 | (stride int)) |
765 | |
766 | |
767 | |
768 | ;;; PNG Surface |
769 | |
770 | (defbinding image-surface-create-from-png (filename) image-surface |
771 | ((truename filename) pathname)) |
772 | |
773 | |
774 | |
775 | |
776 | ;;; Matrices |
777 | |
778 | (defbinding matrix-init () nil |
a82cea45 |
779 | (matrix matrix :in/return) |
1ed0a2c5 |
780 | (xx double-float) (yx double-float) |
781 | (xy double-float) (yy double-float) |
782 | (x0 double-float) (y0 double-float)) |
783 | |
784 | (defbinding matrix-init-identity () nil |
a82cea45 |
785 | (matrix matrix :in/return)) |
1ed0a2c5 |
786 | |
787 | (defbinding matrix-init-translate () nil |
a82cea45 |
788 | (matrix matrix :in/return) |
1ed0a2c5 |
789 | (tx double-float) |
790 | (ty double-float)) |
791 | |
792 | (defbinding matrix-init-scale () nil |
a82cea45 |
793 | (matrix matrix :in/return) |
1ed0a2c5 |
794 | (sx double-float) |
795 | (sy double-float)) |
796 | |
797 | (defbinding matrix-init-rotate () nil |
a82cea45 |
798 | (matrix matrix :in/return) |
1ed0a2c5 |
799 | (radians double-float)) |
800 | |
801 | (defbinding matrix-translate () nil |
a82cea45 |
802 | (matrix matrix :in/return) |
1ed0a2c5 |
803 | (tx double-float) |
804 | (ty double-float)) |
805 | |
806 | (defbinding matrix-scale () nil |
a82cea45 |
807 | (matrix matrix :in/return) |
1ed0a2c5 |
808 | (sx double-float) |
809 | (sy double-float)) |
810 | |
811 | (defbinding matrix-rotate () nil |
a82cea45 |
812 | (matrix matrix :in/return) |
1ed0a2c5 |
813 | (radians double-float)) |
814 | |
815 | (defbinding matrix-invert () nil |
a82cea45 |
816 | (matrix matrix :in/return)) |
1ed0a2c5 |
817 | |
818 | (defbinding matrix-multiply () nil |
819 | (result matrix :out) |
820 | (a matrix) |
821 | (b matrix)) |
822 | |
823 | (defbinding matrix-transform-distance () nil |
a82cea45 |
824 | (matrix matrix :in/return) |
1ed0a2c5 |
825 | (dx double-float) |
826 | (dy double-float)) |
827 | |
828 | (defbinding matrix-transform-point () nil |
a82cea45 |
829 | (matrix matrix :in/return) |
1ed0a2c5 |
830 | (x double-float) |
831 | (y double-float)) |
832 | |
833 | |
834 | |