100 lines
4.2 KiB
C++
100 lines
4.2 KiB
C++
#ifndef HGL_GRAPH_TEXT_LAYOUT_INCLUDE
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#define HGL_GRAPH_TEXT_LAYOUT_INCLUDE
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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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* 段落对齐
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*/
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enum class ParagraphAlign
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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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Top =Left, ///<上对齐
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Bottom =Right ///<下对齐
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};//enum class ParagraphAlign
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/**
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* 段落属性
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*/
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struct ParagraphAttributes
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{
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ParagraphAlign align =ParagraphAlign::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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uint32 char_attributes =0; ///<缺省字符属性
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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; ///<空格符尺寸(对应字符高度的系数)
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float tab_size =2.0f; ///<Tab符号尺寸(对应字符高度的系数)
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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)
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};//struct ParagraphAttributes
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/**
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* 文本排列方向
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*/
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enum class TextDirection
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{
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HorizontalLeftToRight=0, ///<横排从左到右
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HorizontalRightToLeft, ///<横排从右到左
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VerticalRightToLeft, ///<坚排从上到下从右到左
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};//enum class Direction
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struct TextAttributes
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{
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TextDirection direction =TextDirection::HorizontalLeftToRight; ///<文本排列方向
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uint32_t paragraph_attribute =0; ///<缺省段落属性
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float paragraph_gap =1.0f; ///<段间距
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};//struct TextAttributes
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using CharAttributesList=Map<UTF16String,CharAttributes>;
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using ParagraphAttributesList=Map<UTF16String,ParagraphAttributes>;
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/**
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* 文本排版处理配置
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*/
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struct TextLayoutAttributes
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{
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FontSource * source =nullptr; ///字符源
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CharAttributesList char_attributes; ///<文本属性
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ParagraphAttributesList paragraph_attributes; ///<段落属性
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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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TextAttributes attributes; ///<文本属性
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};//struct TextLayoutAttributes
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uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF16String &);
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uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF16StringList &);
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uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF32String &);
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uint TextLayout(vulkan::Renderable *,const uint max_chars,const UTF32StringList &);
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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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