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