From 94cfcd322c2debdb2bf14b364ca53c21a2e080eb Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Mon, 20 Jul 2020 22:22:25 +0800
Subject: [PATCH] update TextLayout.h

---
 inc/hgl/graph/font/TextLayout.h | 99 ++++++++++++++++++++++++++-------
 1 file changed, 78 insertions(+), 21 deletions(-)

diff --git a/inc/hgl/graph/font/TextLayout.h b/inc/hgl/graph/font/TextLayout.h
index 5e7f8df1..cda80804 100644
--- a/inc/hgl/graph/font/TextLayout.h
+++ b/inc/hgl/graph/font/TextLayout.h
@@ -2,41 +2,98 @@
 #define HGL_GRAPH_TEXT_LAYOUT_INCLUDE
 
 #include<hgl/graph/font/FontSource.h>
-#include<hgl/graph/RenderableInstance.h>
 #include<hgl/graph/RenderableCreater.h>
-#include<hgl/type/RectScope.h>
 namespace hgl
 {
     namespace graph
     {
         /**
-         * 文本排版处理
+         * 字符属性，可精确到字也可精确到段落或是全文
          */
-        class TextLayout
+        struct CharAttributes
         {
-            FontSource *source;
+            bool    bold        =false; ///<加粗
+            bool    italic      =false; ///<右斜
+            bool    underline   =false; ///<下划线
 
-        public:
+            Color4f CharColor;          ///<字符颜色
+            Color4f BackgroundColor;    ///<背影颜色
+        };//struct CharAttributes
 
-            enum class Direction
-            {
-                LeftToRight=0,          ///<横排从左到右
-                RightToLeft,            ///<横排从右到左
-                TopToRight,             ///<坚排从上到下从右到左
-            };//enum class Direction
+        /**
+         * 段落对齐
+         */
+        enum class ParagraphAlign
+        {
+            Left=0,                     ///<左对齐
+            Right,                      ///<右对齐
+            Center,                     ///<居中
 
-            RectScope2f scope;          ///<绘制区域
+            Top     =Left,              ///<上对齐
+            Bottom  =Right              ///<下对齐
+        };//enum class ParagraphAlign
 
-            bool text_symbols;          ///<是否开启文本到符号自动替换
-            bool symbols_edge_disable;  ///<符号边界禁用
+        /**
+         * 段落属性
+         */
+        struct ParagraphAttributes
+        {
+            ParagraphAlign  align                   =ParagraphAlign::Left;      ///<段落对齐
+            float           char_gap                =0.0f;                      ///<字间距
+            float           line_gap                =0.1f;                      ///<行间距(相对于字符高度)
 
-        public:
-        
-            TextLayout(FontSource *fs):source(fs){}
-            virtual ~TextLayout()=default;
+            uint32          char_attributes         =0;                         ///<缺省字符属性
 
-            bool Layout(const UTF16String &);
-        };//class TextLayout
+            bool            border_symbols_disable  =true;                      ///<边界符号禁用(如行首禁用逗号)
+            bool            auto_symbols_convert    =true;                      ///<自动符号转换(如tm/(r)/(c)等)
+
+            float           space_size              =0.5f;                      ///<空格符尺寸(对应字符高度的系数)
+            float           tab_size                =2.0f;                      ///<Tab符号尺寸(对应字符高度的系数)
+
+            bool            auto_spaces_size        =false;                     ///<自动空白字符尺寸(用于将每行/列文本长度拉至一样)
+        };//struct ParagraphAttributes
+
+        /**
+         * 文本排列方向
+         */
+        enum class TextDirection
+        {
+            HorizontalLeftToRight=0,    ///<横排从左到右
+            HorizontalRightToLeft,      ///<横排从右到左
+            VerticalRightToLeft,        ///<坚排从上到下从右到左
+        };//enum class Direction
+
+        struct TextAttributes
+        {
+            TextDirection   direction               =TextDirection::HorizontalLeftToRight;      ///<文本排列方向            
+            uint32_t        paragraph_attribute     =0;                                         ///<缺省段落属性
+            float           paragraph_gap           =1.0f;                                      ///<段间距
+        };//struct TextAttributes
+
+        using CharAttributesList=Map<UTF16String,CharAttributes>;
+        using ParagraphAttributesList=Map<UTF16String,ParagraphAttributes>;
+
+        /**
+         * 文本排版处理配置
+         */
+        struct TextLayoutAttributes
+        {
+            FontSource *            source              =nullptr;   ///字符源
+
+            CharAttributesList      char_attributes;                ///<文本属性
+            ParagraphAttributesList paragraph_attributes;           ///<段落属性
+    
+            float                   max_width           =0.0f;      ///<最大宽度(<=0代表无限制)
+            float                   max_height          =0.0f;      ///<最大高度(<=0代表无限制)
+
+            TextAttributes          attributes;                     ///<文本属性
+        };//struct TextLayoutAttributes
+
+        uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF16String &);
+        uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF16StringList &);
+
+        uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF32String &);
+        uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF32StringList &);
     }//namespace graph
 }//namespace hgl
 #endif//HGL_GRAPH_TEXT_LAYOUT_INCLUDE