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update TextLayout

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This commit is contained in:
hyzboy 2020-07-21 17:09:24 +08:00
parent 2f70131ca4
commit 8cb2df9a35
7 changed files with 329 additions and 71 deletions
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2
CMCore

@ -1 +1 @@
Subproject commit 360a743491e3310c8eedfc594a5c49b97180f177
Subproject commit 0e9bb594d737717493ab0c943d34d2851f616f59

96
inc/hgl/graph/font/TextLayout.h
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@ -20,82 +20,66 @@ namespace hgl
Color4f CharColor; ///<字符颜色
Color4f BackgroundColor; ///<背影颜色
};//struct CharAttributes
/**
* 文本排列方向
*/
union TextDirection
{
uint8 text_direction;
struct
{
uint vertical:1; ///<是否竖排
uint right_to_left:1; ///<是否从右往左
uint bottom_to_top:1; ///<是否从下到上
};
};//union TextDirection
/**
* 段落对齐
* 文本对齐
*/
enum class ParagraphAlign
enum class TextAlign
{
Left=0, ///<左对齐
Right, ///<右对齐
Center, ///<居中
Fill, ///<排满整行/列
Top =Left, ///<上对齐
Bottom =Right ///<下对齐
};//enum class ParagraphAlign
};//enum class TextAlign
/**
* 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)
uint32 char_attributes =0; ///<缺省字符属性
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(一般用于中文)
VerticalRightToLeftRotate90,///<坚排从上到下从右到左字符旋转90度(一般用于英文)
};//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
* 文本排版属性
*/
struct TextLayoutAttributes
{
FontSource * source =nullptr; ///字符源
FontSource * font_source =nullptr; ///<字符源
CharAttributes *char_attributes =nullptr; ///<缺省字符属性
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)
uint8 text_direction =0; ///<文本排列方向
TextAlign align =TextAlign::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)
float paragraph_gap =1.0f; ///<段间距(相对于字符高度)
TextAttributes attributes; ///<文本属性
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)
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; ///<半角空格尺寸(对应字符高度的系数)
float full_space_size =1.0f; ///<全角空格尺寸(对应字符高度的系数)
float tab_size =4.0f; ///<Tab符号尺寸(对应字符高度的系数)
bool compress_punctuation =false; ///<压缩标点符号
};//struct TextLayoutAttributes
uint TextLayout(vulkan::Renderable *,const TextLayoutAttributes *,const uint max_chars,const UTF16String &);
// uint TextLayout(vulkan::Renderable *,const TextLayoutAttributes *,const uint max_chars,const UTF16StringList &);
int TextLayout(RenderableCreater *,const TextLayoutAttributes *,const int max_chars,const UTF16String &);
uint TextLayout(vulkan::Renderable *,const TextLayoutAttributes *,const uint max_chars,const UTF32String &);
// uint TextLayout(vulkan::Renderable *,const TextLayoutAttributes *,const uint max_chars,const UTF32StringList &);
int PlaneTextLayout(RenderableCreater *,FontSource *font_source,const int max_chars,const UTF16String &);
}//namespace graph
}//namespace hgl
#endif//HGL_GRAPH_TEXT_LAYOUT_INCLUDE

32
src/SceneGraph/CMakeLists.txt
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@ -48,24 +48,33 @@ SET(RENDERABLE_FILES ${ROOT_INCLUDE_PATH}/hgl/graph/RenderableCreater.h
SOURCE_GROUP("Renderable" FILES ${RENDERABLE_FILES})
file(GLOB FONT_HEADER ${ROOT_INCLUDE_PATH}/hgl/graph/font/*.*)
SET(FONT_MANAGE_SOURCE ${ROOT_INCLUDE_PATH}/hgl/graph/font/Font.h
${ROOT_INCLUDE_PATH}/hgl/graph/font/FontManage.h
font/Font.cpp)
SET(FONT_SOURCE font/Font.cpp
SET(FONT_SOURCE ${ROOT_INCLUDE_PATH}/hgl/graph/font/FontSource.h
font/FontSource.cpp
font/FontSourceSingle.cpp
font/FontSourceMulti.cpp
font/FontSourceManage.cpp
font/TileFont.cpp)
font/FontSourceManage.cpp)
SOURCE_GROUP("Font" FILES ${FONT_HEADER} ${FONT_SOURCE})
SET(TILE_FONT_SOURCE ${ROOT_INCLUDE_PATH}/hgl/graph/font/TileFont.h
font/TileFont.cpp)
SET(FONT_LAYOUT_SOURCE ${ROOT_INCLUDE_PATH}/hgl/graph/font/TextLayout.h
font/TextLayout.cpp
font/TextLayoutPlane.cpp)
SOURCE_GROUP("Font" FILES ${FONT_MANAGE_SOURCE})
SOURCE_GROUP("Font\\Source" FILES ${FONT_SOURCE})
SOURCE_GROUP("Font\\TileFont" FILES ${TILE_FONT_SOURCE})
SOURCE_GROUP("Font\\Layout" FILES ${FONT_LAYOUT_SOURCE})
IF(WIN32)
SET(FONT_SOURCE_OS font/FontSourceWin.cpp
font/FontSourceWin.h)
SOURCE_GROUP("Font\\Windows" FILES ${FONT_SOURCE_OS})
SET(FONT_SOURCE ${FONT_SOURCE} ${FONT_SOURCE_OS})
SOURCE_GROUP("Font\\Source\\Windows" FILES ${FONT_SOURCE_OS})
ENDIF(WIN32)
SOURCE_GROUP("Header Files" FILES ${SCENE_GRAPH_HEADER})
@ -83,5 +92,8 @@ add_cm_library(ULRE.SceneGraph "ULRE" ${SCENE_GRAPH_HEADER}
${RENDERABLE_FILES}
${FONT_HEADER}
${FONT_SOURCE})
${FONT_MANAGE_SOURCE}
${FONT_SOURCE}
${FONT_SOURCE_OS}
${TILE_FONT_SOURCE}
${FONT_LAYOUT_SOURCE})

2
src/SceneGraph/font/FontSourceMulti.cpp
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@ -39,7 +39,7 @@ namespace hgl
const int count=source_map.GetCount();
const auto **fsp=source_map.GetDataList();
auto **fsp=source_map.GetDataList();
for(int i=0;i<count;i++)
{

4
src/SceneGraph/font/FontSourceWin.cpp
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@ -61,8 +61,6 @@ namespace hgl
{
hdc=CreateCompatibleDC(0);
CharHeight=fnt.height;
hfont=CreateFont( -fnt.height,
fnt.width,
0,
@ -126,7 +124,7 @@ namespace hgl
bmp->h=gm.gmBlackBoxY;
bmp->x=gm.gmptGlyphOrigin.x;
bmp->y=fnt.height-gm.gmptGlyphOrigin.y-LineDistance;
bmp->y=gm.gmptGlyphOrigin.y;
bmp->adv_x=gm.gmCellIncX;
bmp->adv_y=gm.gmCellIncY;

243
src/SceneGraph/font/TextLayout.cpp Normal file
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@ -0,0 +1,243 @@
#include<hgl/graph/font/TextLayout.h>
#include<hgl/type/Extent.h>
#include<hgl/type/UnicodeBlocks.h>
namespace hgl
{
namespace graph
{
namespace
{
constexpr u16char BeginSymbols []=U16_TEXT("!),❟.:;?]}¨·ˇˉ―‖’❜”„❞…∶、。〃々❯〉》」』】〕〗！＂＇），．：；？］｀｜｝～»›"); //行首禁用符号
constexpr u16char EndSymbols []=U16_TEXT("([{·❛‘“‟❝❮〈《「『【〔〖（．［｛«‹"); //行尾禁用符号
constexpr u16char CurrencySymbols []=U16_TEXT("₳฿₿￠₡¢₢₵₫€￡£₤₣ƒ₲₭Ł₥₦₽₱＄$₮ℳ₶₩￦¥￥₴₸¤₰៛₪₯₠₧﷼㍐원৳₹₨৲௹"); //货币符号
constexpr u16char VRotateSymbols []=U16_TEXT("()[]{}〈〉《》「」『』【】〔〕〖〗（）［］｛｝―‖…∶｜～"); //竖排必须旋转的符号
constexpr int BeginSymbolsCount =sizeof(BeginSymbols) /sizeof(u16char);
constexpr int EndSymbolsCount =sizeof(EndSymbols) /sizeof(u16char);
constexpr int CurrencySymbolsCount=sizeof(CurrencySymbols)/sizeof(u16char);
constexpr int VRotateSymbolsCount =sizeof(VRotateSymbols) /sizeof(u16char);
using TEXT_COORD_TYPE=int; //字符必须坐标对齐显示才能不模糊，所以这里坐标系全部使用整型坐标
template<typename T>
struct CharLayoutAttributes
{
T ch; ///<字符
int size; ///<字符排版尺寸(一般为宽)
bool visible; ///<是否可显示字符
bool is_cjk; ///<是否是中日韩文字
bool is_emoji; ///<是否是表情符号
bool is_punctuation; ///<是否是标点符号
bool begin_disable; ///<是否行首禁用符号
bool end_disable; ///<是否行尾禁用符号
bool vrotate; ///<竖排时是否需要旋转
};//struct CharLayoutAttributes
/**
* 4舍5入处理
*/
inline TEXT_COORD_TYPE out4in5(const double value)
{
return TEXT_COORD_TYPE(floor(value+0.5));
}
template<typename T> class TextLayoutEngine
{
protected:
RenderableCreater *rc;
const TextLayoutAttributes *tla;
TextDirection direction;
bool endless;
float splite_line_max_limit;
int max_chars;
BaseString<T> origin_string;
using CLA=CharLayoutAttributes<T>;
List<CLA> chars_attributes;
protected:
TEXT_COORD_TYPE x,y;
TEXT_COORD_TYPE char_height;
TEXT_COORD_TYPE space_size;
TEXT_COORD_TYPE full_space_size;
TEXT_COORD_TYPE tab_size;
TEXT_COORD_TYPE char_gap;
TEXT_COORD_TYPE line_gap;
TEXT_COORD_TYPE line_height;
TEXT_COORD_TYPE paragraph_gap;
public:
virtual ~TextLayoutEngine()=default;
bool Init(RenderableCreater *_rc,const TextLayoutAttributes *_tla)
{
if(!_rc
||!_tla
||!tla->font_source
||!tla->char_attributes)
return false;
rc=_rc;
tla=_tla;
direction.text_direction=tla->text_direction;
if(direction.vertical)
{
endless =(tla->max_width<=0.0f);
splite_line_max_limit =tla->max_width;
}
else
{
endless =(tla->max_height<=0.0f);
splite_line_max_limit =tla->max_height;
}
const float origin_char_height=tla->font_source->GetCharHeight();
x=y=0;
char_height =out4in5(origin_char_height);
space_size =out4in5(origin_char_height*tla->space_size);
full_space_size =out4in5(origin_char_height*tla->full_space_size);
tab_size =out4in5(origin_char_height*tla->tab_size);
char_gap =out4in5(origin_char_height*tla->char_gap);
line_gap =out4in5(origin_char_height*tla->line_gap);
line_height =out4in5(origin_char_height+line_gap);
paragraph_gap =out4in5(origin_char_height*tla->paragraph_gap);
return(true);
}
protected:
/**
* 预处理所有的字符，获取所有字符的宽高，以及是否标点符号等信息
*/
int preprocess()
{
const int count=hgl_min(max_chars,origin_string.Length());
if(count<=0)
return 0;
chars_attributes.SetCount(count);
CLA *cla=chars_attributes.GetData();
const T *cp=origin_string.c_str();
for(int i=0;i<count;i++)
{
cla->ch=*cp;
if(hgl::isspace(*cp))
{
cla->visible=false;
if(*cp=='\t') cla->size=tab_size; else
if(*cp==HGL_FULL_SPACE) cla->size=full_space_size; else
cla->size=space_size;
}
else
{
cla->visible=true; cla->size=out4in5(tla->font_source->GetCharAdvWidth(*cp));
cla->begin_disable =hgl::strchr(BeginSymbols, *cp,BeginSymbolsCount );
cla->end_disable =hgl::strchr(EndSymbols, *cp,EndSymbolsCount );
if(!cla->end_disable) //货币符号同样行尾禁用
cla->end_disable =hgl::strchr(CurrencySymbols,*cp,CurrencySymbolsCount );
cla->vrotate =hgl::strchr(VRotateSymbols,*cp,VRotateSymbolsCount );
cla->is_cjk =isCJK(*cp);
cla->is_emoji =isEmoji(*cp);
cla->is_punctuation =isPunctuation(*cp);
}
++cp;
++cla;
}
return count;
}
/**
* 将字符串断成多行，处理标点禁用，以及英文单词禁拆分
*/
bool h_splite_to_lines(float view_limit)
{
const int count=chars_attributes.GetCount();
const CLA *cla=chars_attributes.GetData();
int cur_size=0;
for(int i=0;i<count;i++)
{
}
return(true);
}
bool v_splite_to_lines(float view_limit)
{
return(true);
}
public:
int layout(const int mc,const BaseString<T> &str)
{
if(mc<=0
||!str
||!(*str))
return(-1);
max_chars=mc;
origin_string=str;
if(preprocess()<=0)
return(-3);
if(direction.vertical)
{
if(!v_splite_to_lines(tla->max_height))
return(-4);
}
else
{
if(!h_splite_to_lines(tla->max_width))
return(-4);
}
return 0;
}
};//template<typename T> class TextLayoutEngine
}//namespace
int TextLayout(RenderableCreater *rc,const TextLayoutAttributes *tla,const int max_chars,const UTF16String &str)
{
TextLayoutEngine<u16char> engine;
if(!engine.Init(rc,tla))
return(-1);
return engine.layout(max_chars,str);
}
}//namespace graph
}//namespace hgl

21
src/SceneGraph/font/TextLayoutPlane.cpp Normal file
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@ -0,0 +1,21 @@
#include<hgl/graph/font/TextLayout.h>
namespace hgl
{
namespace graph
{
/**
* 平面文本排版
*/
int PlaneTextLayout(RenderableCreater *rc,FontSource *font_source,const int max_chars,const UTF16String &str)
{
if(!rc
||!font_source
||max_chars<=0
||str.IsEmpty())
return 0;
}
}//namespace graph
}//namespace hgl