summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/harfbuzz-ng/src/hb-shaper.hh
diff options
context:
space:
mode:
authorEskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>2019-11-11 15:10:08 +0100
committerEskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>2020-03-04 08:28:04 +0100
commitfb2f42b6044fe4673e71f3d12082b53c9f3182cd (patch)
treed2f579c0362be1def50d957bc4e46eb27ea6198a /src/3rdparty/harfbuzz-ng/src/hb-shaper.hh
parent4724dfff627f3cd3754f5d4a827c6b6790a89955 (diff)
Update to Harfbuzz 2.6.4
Quite a big change since it has been several years since the last update. This drops the Harfbuzz source on top of the existing code in Qt, and does the following additional changes: 1. Deletes old source files that have been removed upstream (everything named foo-private.hh is now renamed to just foo.hh for instance). 2. Added a header guard to config.h because it may be double-included. 3. Implement a memory barrier needed by hb-atomic.hh. 4. Changed the signature of hb_atomic_int_impl_add() to take a pointer to match new upstream. 5. Updated .pro file to include new files and removed old. 6. Updated qt_attribution.json 7. No longer disable deprecated APIs since hb_ot_tags_from_script() is now deprecated and is used from Qt code. 8. Updated and applied the patch in patches/ for CoreText. 9. Updated tst_qtextscriptengine::thaiWithZWJ() according to changes in Harfbuzz and disabled it for system-harfbuzz, since this may be an older version of harfbuzz depending on the system. Fixes: QTBUG-79606 Change-Id: I3f057a43ff44ee416628b75ef12fb1a221f31910 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-shaper.hh')
-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-shaper.hh134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shaper.hh b/src/3rdparty/harfbuzz-ng/src/hb-shaper.hh
new file mode 100644
index 0000000000..79dc5d07e0
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shaper.hh
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2012 Google, Inc.
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_SHAPER_HH
+#define HB_SHAPER_HH
+
+#include "hb.hh"
+#include "hb-machinery.hh"
+
+typedef hb_bool_t hb_shape_func_t (hb_shape_plan_t *shape_plan,
+ hb_font_t *font,
+ hb_buffer_t *buffer,
+ const hb_feature_t *features,
+ unsigned int num_features);
+
+#define HB_SHAPER_IMPLEMENT(name) \
+ extern "C" HB_INTERNAL hb_shape_func_t _hb_##name##_shape;
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+
+struct hb_shaper_entry_t {
+ char name[16];
+ hb_shape_func_t *func;
+};
+
+HB_INTERNAL const hb_shaper_entry_t *
+_hb_shapers_get ();
+
+
+template <typename Data, unsigned int WheresData, typename T>
+struct hb_shaper_lazy_loader_t;
+
+#define HB_SHAPER_ORDER(Shaper) \
+ HB_PASTE (HB_SHAPER_ORDER_, Shaper)
+enum hb_shaper_order_t
+{
+ _HB_SHAPER_ORDER_ORDER_ZERO,
+#define HB_SHAPER_IMPLEMENT(Shaper) \
+ HB_SHAPER_ORDER (Shaper),
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+ _HB_SHAPERS_COUNT_PLUS_ONE,
+ HB_SHAPERS_COUNT = _HB_SHAPERS_COUNT_PLUS_ONE - 1,
+};
+
+template <enum hb_shaper_order_t order, typename Object> struct hb_shaper_object_data_type_t;
+
+#define HB_SHAPER_DATA_SUCCEEDED ((void *) +1)
+#define HB_SHAPER_DATA_TYPE(shaper, object) hb_##shaper##_##object##_data_t
+#define HB_SHAPER_DATA_CREATE_FUNC(shaper, object) _hb_##shaper##_shaper_##object##_data_create
+#define HB_SHAPER_DATA_DESTROY_FUNC(shaper, object) _hb_##shaper##_shaper_##object##_data_destroy
+
+#define HB_SHAPER_DATA_INSTANTIATE_SHAPERS(shaper, object) \
+ \
+ struct HB_SHAPER_DATA_TYPE (shaper, object); /* Type forward declaration. */ \
+ extern "C" HB_INTERNAL HB_SHAPER_DATA_TYPE (shaper, object) * \
+ HB_SHAPER_DATA_CREATE_FUNC (shaper, object) (hb_##object##_t *object); \
+ extern "C" HB_INTERNAL void \
+ HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (HB_SHAPER_DATA_TYPE (shaper, object) *shaper##_##object); \
+ \
+ template <> \
+ struct hb_shaper_object_data_type_t<HB_SHAPER_ORDER (shaper), hb_##object##_t> \
+ { \
+ typedef HB_SHAPER_DATA_TYPE(shaper, object) value; \
+ }; \
+ \
+ template <unsigned int WheresData> \
+ struct hb_shaper_lazy_loader_t<hb_##object##_t, WheresData, HB_SHAPER_DATA_TYPE(shaper, object)> \
+ : hb_lazy_loader_t<HB_SHAPER_DATA_TYPE(shaper, object), \
+ hb_shaper_lazy_loader_t<hb_##object##_t, \
+ WheresData, \
+ HB_SHAPER_DATA_TYPE(shaper, object)>, \
+ hb_##object##_t, WheresData> \
+ { \
+ typedef HB_SHAPER_DATA_TYPE(shaper, object) Type; \
+ static Type* create (hb_##object##_t *data) \
+ { return HB_SHAPER_DATA_CREATE_FUNC (shaper, object) (data); } \
+ static Type *get_null () { return nullptr; } \
+ static void destroy (Type *p) { HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (p); } \
+ }; \
+ \
+ static_assert (true, "") /* Require semicolon. */
+
+
+template <typename Object>
+struct hb_shaper_object_dataset_t
+{
+ void init0 (Object *parent_data)
+ {
+ this->parent_data = parent_data;
+#define HB_SHAPER_IMPLEMENT(shaper) shaper.init0 ();
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+ }
+ void fini ()
+ {
+#define HB_SHAPER_IMPLEMENT(shaper) shaper.fini ();
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+ }
+
+ Object *parent_data; /* MUST be JUST before the lazy loaders. */
+#define HB_SHAPER_IMPLEMENT(shaper) \
+ hb_shaper_lazy_loader_t<Object, HB_SHAPER_ORDER(shaper), \
+ typename hb_shaper_object_data_type_t<HB_SHAPER_ORDER(shaper), Object>::value \
+ > shaper;
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+};
+
+#endif /* HB_SHAPER_HH */