86 lines
3.9 KiB
C++
86 lines
3.9 KiB
C++
#ifndef HGL_GRAPH_TEXT_LAYOUT_INCLUDE
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#define HGL_GRAPH_TEXT_LAYOUT_INCLUDE
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#include<hgl/type/StringList.h>
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#include<hgl/graph/font/FontSource.h>
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#include<hgl/graph/RenderableCreater.h>
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namespace hgl
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{
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namespace graph
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{
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/**
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* 字符属性，可精确到字也可精确到段落或是全文
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*/
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struct CharAttributes
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{
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bool bold =false; ///<加粗
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bool italic =false; ///<右斜
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bool underline =false; ///<下划线
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Color4f CharColor; ///<字符颜色
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Color4f BackgroundColor; ///<背影颜色
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};//struct CharAttributes
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/**
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* 文本排列方向
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*/
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union TextDirection
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{
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uint8 text_direction;
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struct
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{
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uint vertical:1; ///<是否竖排
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uint right_to_left:1; ///<是否从右往左
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uint bottom_to_top:1; ///<是否从下到上
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};
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};//union TextDirection
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/**
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* 文本对齐
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*/
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enum class TextAlign
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{
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Left=0, ///<左对齐
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Right, ///<右对齐
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Center, ///<居中
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Fill, ///<排满整行/列
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Top =Left, ///<上对齐
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Bottom =Right ///<下对齐
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};//enum class TextAlign
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/**
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* 文本排版属性
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*/
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struct TextLayoutAttributes
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{
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FontSource * font_source =nullptr; ///<字符源
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CharAttributes *char_attributes =nullptr; ///<缺省字符属性
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uint8 text_direction =0; ///<文本排列方向
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TextAlign align =TextAlign::Left; ///<段落对齐
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float char_gap =0.0f; ///<字间距
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float line_gap =0.1f; ///<行间距(相对于字符高度)
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float paragraph_gap =1.0f; ///<段间距(相对于字符高度)
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float max_width =0.0f; ///<最大宽度(<=0代表无限制)
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float max_height =0.0f; ///<最大高度(<=0代表无限制)
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bool border_symbols_disable =true; ///<边界符号禁用(如行首禁用逗号)
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// bool auto_symbols_convert =true; ///<自动符号转换(如tm/(r)/(c)等)
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float space_size =0.5f; ///<半角空格尺寸(对应字符高度的系数)
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float full_space_size =1.0f; ///<全角空格尺寸(对应字符高度的系数)
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float tab_size =4.0f; ///<Tab符号尺寸(对应字符高度的系数)
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bool compress_punctuation =false; ///<压缩标点符号
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};//struct TextLayoutAttributes
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int TextLayout(RenderableCreater *,const TextLayoutAttributes *,const int max_chars,const UTF16String &);
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int PlaneTextLayout(RenderableCreater *,FontSource *font_source,const int max_chars,const UTF16String &);
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_TEXT_LAYOUT_INCLUDE
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