Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/sequencer/SEQ_effects.hh

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+/* SPDX-FileCopyrightText: 2004 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+#include "DNA_sequence_types.h"
+#include "DNA_vec_types.h"
+
+#include "BLI_math_vector_types.hh"
+#include "BLI_vector.hh"
+
+#include <mutex>
+
+namespace blender {
+
+/** \file
+ * \ingroup sequencer
+ */
+
+struct Strip;
+struct VFont;
+
+namespace seq {
+
+struct RenderData;
+
+void effect_ensure_initialized(Strip *strip);
+void effect_free(Strip *strip);
+
+/* Returns the minimum number of inputs needed by the effect type.
+ * Note: some effects (compositor) will return zero; they can
+ * take variable number of inputs. */
+int effect_type_get_min_num_inputs(StripType type);
+bool strip_type_is_effect(StripType type);
+bool effect_is_transition(StripType type);
+
+void effect_text_font_set(Strip *strip, VFont *font);
+bool effects_can_render_text(const Strip *strip);
+void text_effect_update_runtime(const RenderData *context, TextVars &text, const int2 image_size);
+std::recursive_mutex &text_runtime_mutex_get();
+
+struct CharInfo {
+  /** Character offset within text buffer. */
+  int index = 0;
+  /** Byte offset within text buffer. */
+  int offset = 0;
+  /** Size of the character in bytes. */
+  int byte_length = 0;
+  /** Pixel offset of character origin. */
+  float2 position{0.0f, 0.0f};
+  /** FreeType pixel offset for drawing next character after this one. */
+  int advance_x = 0;
+  /** Indicate that the next character after this one should be on a new line. */
+  bool do_wrap = false;
+};
+
+struct LineInfo {
+  Vector<CharInfo> characters;
+  /** Pixel width. */
+  int width;
+};
+
+struct TextVarsRuntime {
+  Vector<LineInfo> lines;
+
+  int2 image_size;
+  rcti text_boundbox; /* Bound-box used for box drawing and selection. */
+  int line_height;
+  int font_descender;
+  int character_count;
+  int font;
+  bool editing_is_active; /* UI uses this to differentiate behavior. */
+};
+
+}  // namespace seq
+}  // namespace blender