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first finished TileFont and test program.

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This commit is contained in:
hyzboy
2020-08-03 21:22:02 +08:00
parent 8305602995
commit 2ae2228546
5 changed files with 157 additions and 158 deletions
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54
inc/hgl/graph/font/TextLayout.h
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@@ -4,6 +4,7 @@
#include<hgl/type/StringList.h>
#include<hgl/graph/font/FontSource.h>
#include<hgl/graph/RenderableCreater.h>
#include<hgl/graph/TileData.h>
namespace hgl
{
namespace graph
@@ -13,7 +14,7 @@ namespace hgl
/**
* 字符属性，可精确到字也可精确到段落或是全文
*/
struct CharAttributes
struct CharLayoutAttr
{
bool bold =false; ///<加粗
bool italic =false; ///<右斜
@@ -21,7 +22,7 @@ namespace hgl
Color4f CharColor; ///<字符颜色
Color4f BackgroundColor; ///<背影颜色
};//struct CharAttributes
};//struct CharLayoutAttr
/**
* 文本排列方向
@@ -57,7 +58,7 @@ namespace hgl
struct TextLayoutAttributes
{
FontSource * font_source =nullptr; ///<字符源
CharAttributes *char_attributes =nullptr; ///<缺省字符属性
CharLayoutAttr *char_layout_attr =nullptr; ///<缺省字符排版属性
uint8 text_direction =0; ///<文本排列方向
TextAlign align =TextAlign::Left; ///<段落对齐
@@ -94,25 +95,30 @@ namespace hgl
bool endless;
float splite_line_max_limit;
int max_chars; ///<总字符数量
int draw_chars_count; ///<要绘制字符列表
Set<u32char> alone_chars; ///<不重复字符统计缓冲区
TileUVFloatMap alone_chars_uv; ///<所有要绘制字符的uv
List<CLA *> cla_list; ///<所有字符属性列表
protected:
template<typename T> int stat_chars(const T *,const int);
template<typename T> int preprocess(const T *,const int);
struct CharDrawAttr
{
CLA *cla;
TileUVFloat uv;
};
ObjectList<CharDrawAttr> draw_chars_list; ///<所有字符属性列表
template<typename T> int preprocess(const T *,const int);
protected:
bool h_splite_to_lines(float view_limit);
bool v_splite_to_lines(float view_limit);
int pl_h_l2r();
int pl_h_r2l();
int pl_v_r2l();
int pl_v_l2r();
int sl_h_l2r();
int sl_h_r2l();
int sl_v_r2l();
int sl_v_l2r();
protected:
@@ -138,7 +144,7 @@ namespace hgl
rc=nullptr;
direction.text_direction=0;
max_chars =0;
draw_chars_count=0;
vertex =nullptr;
tex_coord =nullptr;
@@ -146,20 +152,20 @@ namespace hgl
virtual ~TextLayout()=default;
bool Set (RenderableCreater *_rc) {if(_rc)rc=_rc;}
bool Set (const TextLayoutAttributes *_tla) {if(_tla)memcpy(&tla,_tla,sizeof(TextLayoutAttributes));}
bool Set (FontSource *fs) {if(fs)tla.font_source=fs;}
bool SetTextDirection (const uint8 &td) {tla.text_direction=td;}
bool Set (const TextAlign &ta) {tla.align=ta;}
bool SetMaxWidth (const float mw) {tla.max_width=mw;}
bool SetMaxHeight (const float mh) {tla.max_height=mh;}
void Set (RenderableCreater *_rc) {if(_rc)rc=_rc;}
void Set (const TextLayoutAttributes *_tla) {if(_tla)memcpy(&tla,_tla,sizeof(TextLayoutAttributes));}
void Set (FontSource *fs) {if(fs)tla.font_source=fs;}
void SetTextDirection (const uint8 &td) {tla.text_direction=td;}
void Set (const TextAlign &ta) {tla.align=ta;}
void SetMaxWidth (const float mw) {tla.max_width=mw;}
void SetMaxHeight (const float mh) {tla.max_height=mh;}
virtual bool Init (); ///<初始化排版
// virtual int Layout (const int max_chars,const BaseString<T> &)=0; ///<排版
template<typename T>
int PlaneLayout (TileFont *,const int max_chars,const BaseString<T> &); ///<简易排版
int SimpleLayout (TileFont *,const BaseString<T> &); ///<简易排版
};//class TextLayout
}//namespace graph
}//namespace hgl