Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 244 insertions, 0 deletions

diff --git a/modules/freetype2/include/freetype/ftrender.h b/modules/freetype2/include/freetype/ftrender.h
new file mode 100644
index 0000000000..a8576dab00
--- /dev/null
+++ b/modules/freetype2/include/freetype/ftrender.h
@@ -0,0 +1,244 @@
+/****************************************************************************
+ *
+ * ftrender.h
+ *
+ *   FreeType renderer modules public interface (specification).
+ *
+ * Copyright (C) 1996-2023 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT.  By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#ifndef FTRENDER_H_
+#define FTRENDER_H_
+
+
+#include <freetype/ftmodapi.h>
+#include <freetype/ftglyph.h>
+
+
+FT_BEGIN_HEADER
+
+
+  /**************************************************************************
+   *
+   * @section:
+   *   module_management
+   *
+   */
+
+
+  /* create a new glyph object */
+  typedef FT_Error
+  (*FT_Glyph_InitFunc)( FT_Glyph      glyph,
+                        FT_GlyphSlot  slot );
+
+  /* destroys a given glyph object */
+  typedef void
+  (*FT_Glyph_DoneFunc)( FT_Glyph  glyph );
+
+  typedef void
+  (*FT_Glyph_TransformFunc)( FT_Glyph          glyph,
+                             const FT_Matrix*  matrix,
+                             const FT_Vector*  delta );
+
+  typedef void
+  (*FT_Glyph_GetBBoxFunc)( FT_Glyph  glyph,
+                           FT_BBox*  abbox );
+
+  typedef FT_Error
+  (*FT_Glyph_CopyFunc)( FT_Glyph   source,
+                        FT_Glyph   target );
+
+  typedef FT_Error
+  (*FT_Glyph_PrepareFunc)( FT_Glyph      glyph,
+                           FT_GlyphSlot  slot );
+
+/* deprecated */
+#define FT_Glyph_Init_Func       FT_Glyph_InitFunc
+#define FT_Glyph_Done_Func       FT_Glyph_DoneFunc
+#define FT_Glyph_Transform_Func  FT_Glyph_TransformFunc
+#define FT_Glyph_BBox_Func       FT_Glyph_GetBBoxFunc
+#define FT_Glyph_Copy_Func       FT_Glyph_CopyFunc
+#define FT_Glyph_Prepare_Func    FT_Glyph_PrepareFunc
+
+
+  struct  FT_Glyph_Class_
+  {
+    FT_Long                 glyph_size;
+    FT_Glyph_Format         glyph_format;
+
+    FT_Glyph_InitFunc       glyph_init;
+    FT_Glyph_DoneFunc       glyph_done;
+    FT_Glyph_CopyFunc       glyph_copy;
+    FT_Glyph_TransformFunc  glyph_transform;
+    FT_Glyph_GetBBoxFunc    glyph_bbox;
+    FT_Glyph_PrepareFunc    glyph_prepare;
+  };
+
+
+  typedef FT_Error
+  (*FT_Renderer_RenderFunc)( FT_Renderer       renderer,
+                             FT_GlyphSlot      slot,
+                             FT_Render_Mode    mode,
+                             const FT_Vector*  origin );
+
+  typedef FT_Error
+  (*FT_Renderer_TransformFunc)( FT_Renderer       renderer,
+                                FT_GlyphSlot      slot,
+                                const FT_Matrix*  matrix,
+                                const FT_Vector*  delta );
+
+
+  typedef void
+  (*FT_Renderer_GetCBoxFunc)( FT_Renderer   renderer,
+                              FT_GlyphSlot  slot,
+                              FT_BBox*      cbox );
+
+
+  typedef FT_Error
+  (*FT_Renderer_SetModeFunc)( FT_Renderer  renderer,
+                              FT_ULong     mode_tag,
+                              FT_Pointer   mode_ptr );
+
+/* deprecated identifiers */
+#define FTRenderer_render  FT_Renderer_RenderFunc
+#define FTRenderer_transform  FT_Renderer_TransformFunc
+#define FTRenderer_getCBox  FT_Renderer_GetCBoxFunc
+#define FTRenderer_setMode  FT_Renderer_SetModeFunc
+
+
+  /**************************************************************************
+   *
+   * @struct:
+   *   FT_Renderer_Class
+   *
+   * @description:
+   *   The renderer module class descriptor.
+   *
+   * @fields:
+   *   root ::
+   *     The root @FT_Module_Class fields.
+   *
+   *   glyph_format ::
+   *     The glyph image format this renderer handles.
+   *
+   *   render_glyph ::
+   *     A method used to render the image that is in a given glyph slot into
+   *     a bitmap.
+   *
+   *   transform_glyph ::
+   *     A method used to transform the image that is in a given glyph slot.
+   *
+   *   get_glyph_cbox ::
+   *     A method used to access the glyph's cbox.
+   *
+   *   set_mode ::
+   *     A method used to pass additional parameters.
+   *
+   *   raster_class ::
+   *     For @FT_GLYPH_FORMAT_OUTLINE renderers only.  This is a pointer to
+   *     its raster's class.
+   */
+  typedef struct  FT_Renderer_Class_
+  {
+    FT_Module_Class            root;
+
+    FT_Glyph_Format            glyph_format;
+
+    FT_Renderer_RenderFunc     render_glyph;
+    FT_Renderer_TransformFunc  transform_glyph;
+    FT_Renderer_GetCBoxFunc    get_glyph_cbox;
+    FT_Renderer_SetModeFunc    set_mode;
+
+    FT_Raster_Funcs*           raster_class;
+
+  } FT_Renderer_Class;
+
+
+  /**************************************************************************
+   *
+   * @function:
+   *   FT_Get_Renderer
+   *
+   * @description:
+   *   Retrieve the current renderer for a given glyph format.
+   *
+   * @input:
+   *   library ::
+   *     A handle to the library object.
+   *
+   *   format ::
+   *     The glyph format.
+   *
+   * @return:
+   *   A renderer handle.  0~if none found.
+   *
+   * @note:
+   *   An error will be returned if a module already exists by that name, or
+   *   if the module requires a version of FreeType that is too great.
+   *
+   *   To add a new renderer, simply use @FT_Add_Module.  To retrieve a
+   *   renderer by its name, use @FT_Get_Module.
+   */
+  FT_EXPORT( FT_Renderer )
+  FT_Get_Renderer( FT_Library       library,
+                   FT_Glyph_Format  format );
+
+
+  /**************************************************************************
+   *
+   * @function:
+   *   FT_Set_Renderer
+   *
+   * @description:
+   *   Set the current renderer to use, and set additional mode.
+   *
+   * @inout:
+   *   library ::
+   *     A handle to the library object.
+   *
+   * @input:
+   *   renderer ::
+   *     A handle to the renderer object.
+   *
+   *   num_params ::
+   *     The number of additional parameters.
+   *
+   *   parameters ::
+   *     Additional parameters.
+   *
+   * @return:
+   *   FreeType error code.  0~means success.
+   *
+   * @note:
+   *   In case of success, the renderer will be used to convert glyph images
+   *   in the renderer's known format into bitmaps.
+   *
+   *   This doesn't change the current renderer for other formats.
+   *
+   *   Currently, no FreeType renderer module uses `parameters`; you should
+   *   thus always pass `NULL` as the value.
+   */
+  FT_EXPORT( FT_Error )
+  FT_Set_Renderer( FT_Library     library,
+                   FT_Renderer    renderer,
+                   FT_UInt        num_params,
+                   FT_Parameter*  parameters );
+
+  /* */
+
+
+FT_END_HEADER
+
+#endif /* FTRENDER_H_ */
+
+
+/* END */