add glyphruninfo.h

2026-09-24 00:54:18 +08:00 · 2019-03-15 14:47:41 +08:00
parent 72f61f17be
commit f8b0a89d90
2 changed files with 120 additions and 1 deletions
@@ -22,7 +22,8 @@ SRC_FILES = gdi.c attr.c clip.c map.c coor.c rect.c  \
 endif

 HDR_FILES = drawtext.h mi.h midc.h mistruct.h miwideline.h \
-            pixel_ops.h mifillarc.h mispans.h polygon.h mifpoly.h
+            pixel_ops.h mifillarc.h mispans.h polygon.h mifpoly.h \
+            glyphruninfo.h

 libnewgdi_la_SOURCES = $(SRC_FILES) $(HDR_FILES)

@@ -0,0 +1,118 @@
+/*
+ *   This file is part of MiniGUI, a mature cross-platform windowing
+ *   and Graphics User Interface (GUI) support system for embedded systems
+ *   and smart IoT devices.
+ *
+ *   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
+ *   Copyright (C) 1998~2002, WEI Yongming
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *   Or,
+ *
+ *   As this program is a library, any link to this program must follow
+ *   GNU General Public License version 3 (GPLv3). If you cannot accept
+ *   GPLv3, you need to be licensed from FMSoft.
+ *
+ *   If you have got a commercial license of this program, please use it
+ *   under the terms and conditions of the commercial license.
+ *
+ *   For more information about the commercial license, please refer to
+ *   <http://www.minigui.com/en/about/licensing-policy/>.
+ */
+
+/*
+** glyphruninfo.h: Internal interface related GLYPHRUNINFO.
+**
+** Create by WEI Yongming at 2019/03/15
+*/
+
+#ifndef _MG_NEWGDI_GLYPHRUNINFO_H
+    #define _MG_NEWGDI_GLYPHRUNINFO_H
+
+typedef Glyph32 (*CB_GET_GLYPH_INFO) (void* shaping_engine,
+        void* glyph_info, int index, int* cluster);
+
+typedef BOOL (*CB_DESTROY_OBJECT) (void* object);
+
+typedef struct _SHAPPINGENGINE {
+    /* The pointer to the shaping engine */
+    void*               shaping_engine;
+
+    /* the callback reverse the glyphs */
+    CB_REVERSE_ARRAY    cb_reverse_glyphs;
+
+    /* The callback returns the glyph value and cluster
+       from a void glyph information */
+    CB_GET_GLYPH_INFO   cb_get_glyph_info;
+
+    /* the callback destroy the shaping engine */
+    CB_DESTROY_OBJECT   cb_destroy_engine;
+} SHAPPINGENGINE;
+
+typedef struct _SHAPEDGLYPHS {
+    /* The array contains the glyph information */
+    void*   glyph_infos;
+
+    /* The number of glyphs */
+    int     nr_glyphs;
+} SHAPEDGLYPHS;
+
+/* same as HarfBuzz */
+typedef enum {
+    GR_DIRECTION_INVALID = 0,
+    GR_DIRECTION_LTR = 4,
+    GR_DIRECTION_RTL,
+    GR_DIRECTION_TTB,
+    GR_DIRECTION_BTT
+} GlyphRunDir;
+
+struct _GLPYHRUNINFO {
+    /* the logfont for upright glyphs */
+    LOGFONT*        lfur;
+    /* The logfont for sideways glyphs */
+    LOGFONT*        lfsw;
+    Uchar32*        ucs;
+    SHAPPINGENGINE* se;
+
+    struct _textrun {
+        LanguageCode    lc;
+        ScriptType st;
+        GlyphRunDir     dir;
+        int             si; // start index
+        int             len;
+    }*              runs;
+
+    BidiLevel*      els;
+    Uint16*         bos;
+    SHAPEDGLYPHS**  sgs;
+    GLYPHEXTINFO**  ges;
+
+    int             nr_ucs;
+    int             nr_runs;
+    int             nr_scripts;
+    Uint32          render_flags;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif  /* __cplusplus */
+
+
+#ifdef __cplusplus
+}
+#endif  /* __cplusplus */
+
+#endif // _MG_NEWGDI_GLYPHRUNINFO_H
+