Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenkernel/BKE_vfont.hh

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+/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+#include "DNA_listBase.h"
+
+#include "BLI_math_vector_types.hh"
+#include "BLI_sys_types.h"
+
+namespace blender {
+
+/** \file
+ * \ingroup bke
+ */
+
+struct CharInfo;
+struct Curve;
+struct Main;
+struct Object;
+struct ReportList;
+struct VFont;
+struct Nurb;
+
+struct CharTrans {
+  float2 offset;
+  float rotate;
+  short linenr, charnr, wordnr;
+
+  uint do_break : 1;
+  uint is_overflow : 1;
+  uint is_wrap : 1;
+  uint is_smallcaps : 1;
+};
+
+struct EditFontSelBox {
+  float x, y, w, h;
+  float rotate;
+};
+
+/**
+ * Edit data for #Curve (a text curve, with an #Object::type of `OB_FONT`).
+ */
+struct EditFont {
+  /** Array of UTF32 code-points. */
+  char32_t *textbuf;
+  /** Text style info (aligned with `textbuf`). */
+  CharInfo *textbufinfo;
+
+  /** The font size from the last evaluated text layout. */
+  float font_size_eval;
+
+  /** Array of rectangles & rotation. */
+  float2 textcurs[4];
+  EditFontSelBox *selboxes;
+  int selboxes_len;
+
+  /* Positional vars relative to the `textbuf` (not UTF8 bytes)
+   * a copy of these is kept in Curve, but use these in edit-mode. */
+
+  /** Length of `textbuf`. */
+  int len;
+  /** Cursor position of (aligned with `textbuf`). */
+  int pos;
+  /** Text selection start/end, see #BKE_vfont_select_get. */
+  int selstart, selend;
+
+  /**
+   * Combined styles from #CharInfo.flag for the selected range selected
+   * (only including values from #CU_CHINFO_STYLE_ALL).
+   * A flag will be set only if ALL characters in the selected string have it.
+   */
+  int select_char_info_flag;
+
+  /**
+   * ID data is older than edit-mode data.
+   * Set #Main.is_memfile_undo_flush_needed when enabling.
+   */
+  char needs_flush_to_id;
+};
+
+enum eEditFontMode {
+  FO_EDIT = 0,
+  FO_CURS = 1,
+  FO_CURSUP = 2,
+  FO_CURSDOWN = 3,
+  FO_DUPLI = 4,
+  FO_PAGEUP = 8,
+  FO_PAGEDOWN = 9,
+  FO_LINE_BEGIN = 10,
+  FO_LINE_END = 11,
+  FO_SELCHANGE = 12,
+};
+
+/** #BKE_vfont_to_curve will move the cursor in these cases. */
+#define FO_CURS_IS_MOTION(mode) \
+  (ELEM(mode, FO_CURSUP, FO_CURSDOWN, FO_PAGEUP, FO_PAGEDOWN, FO_LINE_BEGIN, FO_LINE_END))
+
+/* -------------------------------------------------------------------- */
+/** \name VFont API
+ *
+ * See `vfont.c`.
+ * \{ */
+
+bool BKE_vfont_is_builtin(const VFont *vfont);
+void BKE_vfont_builtin_register(const void *mem, int size);
+/**
+ * Return the built-in #VFont, without adding a user (the user-count may be zero).
+ * The caller is responsible for adding a user.
+ */
+VFont *BKE_vfont_builtin_ensure();
+
+/**
+ * High-level pack function.
+ *
+ * Packs font data from its filepath.
+ * Does nothing if font is already packed.
+ */
+void BKE_vfont_packfile_ensure(Main *bmain, VFont *vfont, ReportList *reports);
+
+void BKE_vfont_data_ensure(VFont *vfont);
+void BKE_vfont_data_free(VFont *vfont);
+
+VFont *BKE_vfont_load(Main *bmain, const char *filepath);
+VFont *BKE_vfont_load_exists_ex(Main *bmain, const char *filepath, bool *r_exists);
+VFont *BKE_vfont_load_exists(Main *bmain, const char *filepath);
+
+int BKE_vfont_select_get(const Curve *cu, int *r_start, int *r_end);
+void BKE_vfont_select_clamp(Curve *cu);
+
+void BKE_vfont_clipboard_free();
+void BKE_vfont_clipboard_set(const char32_t *text_buf, const CharInfo *info_buf, size_t len);
+void BKE_vfont_clipboard_get(char32_t **r_text_buf,
+                             CharInfo **r_info_buf,
+                             size_t *r_len_utf8,
+                             size_t *r_len_utf32);
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name VFont Curve & Text Layout API
+ *
+ * See `vfont_curve.c`.
+ * \{ */
+
+int BKE_vfont_cursor_to_text_index(Object *ob, const float2 &cursor_location);
+
+/**
+ * \warning Expects to have access to evaluated data (i.e. passed object should be evaluated one).
+ */
+bool BKE_vfont_to_curve(Object *ob, eEditFontMode mode);
+void BKE_vfont_char_build(const Curve &cu,
+                          ListBaseT<Nurb> *nubase,
+                          unsigned int charcode,
+                          const CharInfo *info,
+                          bool is_smallcaps,
+                          const float2 &offset,
+                          float rotate,
+                          int charidx,
+                          float fsize);
+
+bool BKE_vfont_to_curve_ex(Object *ob,
+                           const Curve &cu,
+                           eEditFontMode mode,
+                           ListBaseT<Nurb> *r_nubase,
+                           const char32_t **r_text,
+                           int *r_text_len,
+                           bool *r_text_free,
+                           CharTrans **r_chartransdata,
+                           float *r_font_size_eval);
+bool BKE_vfont_to_curve_nubase(Object *ob, eEditFontMode mode, ListBaseT<Nurb> *r_nubase);
+
+/** \} */
+
+}  // namespace blender