1 /*
2 * Copyright © 2018 Ebrahim Byagowi
3 * Copyright © 2020 Google, Inc.
4 *
5 * This is part of HarfBuzz, a text shaping library.
6 *
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
12 *
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17 * DAMAGE.
18 *
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 *
25 */
26
27 #ifndef HB_OT_COLR_COLRV1_CLOSURE_HH
28 #define HB_OT_COLR_COLRV1_CLOSURE_HH
29
30 #include "hb-open-type.hh"
31 #include "hb-ot-layout-common.hh"
32 #include "hb-ot-color-colr-table.hh"
33
34 /*
35 * COLR -- Color
36 * https://docs.microsoft.com/en-us/typography/opentype/spec/colr
37 */
38 namespace OT {
39
closurev1(hb_colrv1_closure_context_t * c) const40 HB_INTERNAL void PaintColrLayers::closurev1 (hb_colrv1_closure_context_t* c) const
41 {
42 c->add_layer_indices (firstLayerIndex, numLayers);
43 const LayerList &paint_offset_lists = c->get_colr_table ()->get_layerList ();
44 for (unsigned i = firstLayerIndex; i < firstLayerIndex + numLayers; i++)
45 {
46 const Paint &paint = std::addressof (paint_offset_lists) + paint_offset_lists[i];
47 paint.dispatch (c);
48 }
49 }
50
closurev1(hb_colrv1_closure_context_t * c) const51 HB_INTERNAL void PaintGlyph::closurev1 (hb_colrv1_closure_context_t* c) const
52 {
53 c->add_glyph (gid);
54 (this+paint).dispatch (c);
55 }
56
closurev1(hb_colrv1_closure_context_t * c) const57 HB_INTERNAL void PaintColrGlyph::closurev1 (hb_colrv1_closure_context_t* c) const
58 {
59 const COLR *colr_table = c->get_colr_table ();
60 const BaseGlyphPaintRecord* baseglyph_paintrecord = colr_table->get_base_glyph_paintrecord (gid);
61 if (!baseglyph_paintrecord) return;
62 c->add_glyph (gid);
63
64 const BaseGlyphList &baseglyph_list = colr_table->get_baseglyphList ();
65 (&baseglyph_list+baseglyph_paintrecord->paint).dispatch (c);
66 }
67
68 template <template<typename> class Var>
closurev1(hb_colrv1_closure_context_t * c) const69 HB_INTERNAL void PaintTransform<Var>::closurev1 (hb_colrv1_closure_context_t* c) const
70 { (this+src).dispatch (c); }
71
closurev1(hb_colrv1_closure_context_t * c) const72 HB_INTERNAL void PaintTranslate::closurev1 (hb_colrv1_closure_context_t* c) const
73 { (this+src).dispatch (c); }
74
closurev1(hb_colrv1_closure_context_t * c) const75 HB_INTERNAL void PaintScale::closurev1 (hb_colrv1_closure_context_t* c) const
76 { (this+src).dispatch (c); }
77
closurev1(hb_colrv1_closure_context_t * c) const78 HB_INTERNAL void PaintScaleAroundCenter::closurev1 (hb_colrv1_closure_context_t* c) const
79 { (this+src).dispatch (c); }
80
closurev1(hb_colrv1_closure_context_t * c) const81 HB_INTERNAL void PaintScaleUniform::closurev1 (hb_colrv1_closure_context_t* c) const
82 { (this+src).dispatch (c); }
83
closurev1(hb_colrv1_closure_context_t * c) const84 HB_INTERNAL void PaintScaleUniformAroundCenter::closurev1 (hb_colrv1_closure_context_t* c) const
85 { (this+src).dispatch (c); }
86
closurev1(hb_colrv1_closure_context_t * c) const87 HB_INTERNAL void PaintRotate::closurev1 (hb_colrv1_closure_context_t* c) const
88 { (this+src).dispatch (c); }
89
closurev1(hb_colrv1_closure_context_t * c) const90 HB_INTERNAL void PaintRotateAroundCenter::closurev1 (hb_colrv1_closure_context_t* c) const
91 { (this+src).dispatch (c); }
92
closurev1(hb_colrv1_closure_context_t * c) const93 HB_INTERNAL void PaintSkew::closurev1 (hb_colrv1_closure_context_t* c) const
94 { (this+src).dispatch (c); }
95
closurev1(hb_colrv1_closure_context_t * c) const96 HB_INTERNAL void PaintSkewAroundCenter::closurev1 (hb_colrv1_closure_context_t* c) const
97 { (this+src).dispatch (c); }
98
closurev1(hb_colrv1_closure_context_t * c) const99 HB_INTERNAL void PaintComposite::closurev1 (hb_colrv1_closure_context_t* c) const
100 {
101 (this+src).dispatch (c);
102 (this+backdrop).dispatch (c);
103 }
104
105 } /* namespace OT */
106
107
108 #endif /* HB_OT_COLR_COLRV1_CLOSURE_HH */
109