ddnet/src/engine/textrender.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef ENGINE_TEXTRENDER_H
#define ENGINE_TEXTRENDER_H
#include "kernel.h"
enum
{
TEXTFLAG_RENDER=1,
TEXTFLAG_ALLOW_NEWLINE=2,
TEXTFLAG_STOP_AT_END=4
};
enum ETextRenderFlags
{
TEXT_RENDER_FLAG_NO_X_BEARING = 1<<0,
TEXT_RENDER_FLAG_NO_Y_BEARING = 1<<1,
TEXT_RENDER_FLAG_ONLY_ADVANCE_WIDTH = 1<<2,
TEXT_RENDER_FLAG_NO_PIXEL_ALIGMENT = 1<<3,
TEXT_RENDER_FLAG_KERNING = 1<<4,
TEXT_RENDER_FLAG_NO_OVERSIZE = 1<<5,
TEXT_RENDER_FLAG_NO_FIRST_CHARACTER_X_BEARING = 1<<6,
TEXT_RENDER_FLAG_NO_LAST_CHARACTER_ADVANCE = 1<<7,
};
enum
{
TEXT_FONT_ICON_FONT = 0,
};
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class CFont;
class CTextCursor
{
public:
int m_Flags;
int m_LineCount;
int m_CharCount;
int m_MaxLines;
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float m_StartX;
float m_StartY;
float m_LineWidth;
float m_X, m_Y;
CFont *m_pFont;
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float m_FontSize;
float m_AlignedFontSize;
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};
struct STextRenderColor
{
STextRenderColor() {}
STextRenderColor(float r, float g, float b, float a)
{
Set(r, g, b, a);
}
void Set(float r, float g, float b, float a)
{
m_R = r;
m_G = g;
m_B = b;
m_A = a;
}
float m_R, m_G, m_B, m_A;
};
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class ITextRender : public IInterface
{
MACRO_INTERFACE("textrender", 0)
public:
virtual void SetCursor(CTextCursor *pCursor, float x, float y, float FontSize, int Flags) = 0;
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virtual CFont *LoadFont(const char *pFilename) = 0;
virtual CFont *GetFont(int FontIndex) = 0;
virtual CFont *GetFont(const char *pFilename) = 0;
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virtual void DestroyFont(CFont *pFont) = 0;
virtual void SetDefaultFont(CFont *pFont) = 0;
virtual void SetCurFont(CFont *pFont) = 0;
virtual void SetRenderFlags(unsigned int Flags) = 0;
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//
virtual void TextEx(CTextCursor *pCursor, const char *pText, int Length) = 0;
virtual int CreateTextContainer(CTextCursor *pCursor, const char *pText) = 0;
virtual void AppendTextContainer(CTextCursor *pCursor, int TextContainerIndex, const char *pText) = 0;
// just deletes and creates text container
virtual void RecreateTextContainer(CTextCursor *pCursor, int TextContainerIndex, const char *pText) = 0;
virtual void RecreateTextContainerSoft(CTextCursor *pCursor, int TextContainerIndex, const char *pText) = 0;
virtual void SetTextContainerSelection(int TextContainerIndex, const char *pText, int CursorPos, int SelectionStart, int SelectionEnd) = 0;
virtual void DeleteTextContainer(int TextContainerIndex) = 0;
virtual void RenderTextContainer(int TextContainerIndex, STextRenderColor *pTextColor, STextRenderColor *pTextOutlineColor) = 0;
virtual void RenderTextContainer(int TextContainerIndex, STextRenderColor *pTextColor, STextRenderColor *pTextOutlineColor, float X, float Y) = 0;
virtual void UploadEntityLayerText(int TextureID, const char *pText, int Length, float x, float y, int Size, int MaxWidth, int MaxSize = -1, int MinSize = -1) = 0;
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// old foolish interface
virtual void TextColor(float r, float g, float b, float a) = 0;
virtual void TextOutlineColor(float r, float g, float b, float a) = 0;
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virtual void Text(void *pFontSetV, float x, float y, float Size, const char *pText, int MaxWidth) = 0;
virtual float TextWidth(void *pFontSetV, float Size, const char *pText, int Length, float *pAlignedHeight = NULL) = 0;
virtual int TextLineCount(void *pFontSetV, float Size, const char *pText, float LineWidth) = 0;
virtual void OnWindowResize() = 0;
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};
class IEngineTextRender : public ITextRender
{
MACRO_INTERFACE("enginetextrender", 0)
public:
virtual void Init() = 0;
};
extern IEngineTextRender *CreateEngineTextRender();
#endif