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/* | ||
SDL_ttf: A companion library to SDL for working with TrueType (tm) fonts | ||
Copyright (C) 2001-2013 Sam Lantinga <[email protected]> | ||
This software is provided 'as-is', without any express or implied | ||
warranty. In no event will the authors be held liable for any damages | ||
arising from the use of this software. | ||
Permission is granted to anyone to use this software for any purpose, | ||
including commercial applications, and to alter it and redistribute it | ||
freely, subject to the following restrictions: | ||
1. The origin of this software must not be misrepresented; you must not | ||
claim that you wrote the original software. If you use this software | ||
in a product, an acknowledgment in the product documentation would be | ||
appreciated but is not required. | ||
2. Altered source versions must be plainly marked as such, and must not be | ||
misrepresented as being the original software. | ||
3. This notice may not be removed or altered from any source distribution. | ||
*/ | ||
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/* This library is a wrapper around the excellent FreeType 2.0 library, | ||
available at: | ||
http://www.freetype.org/ | ||
*/ | ||
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#ifndef _SDL_TTF_H | ||
#define _SDL_TTF_H | ||
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#include "SDL.h" | ||
#include "begin_code.h" | ||
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/* Set up for C function definitions, even when using C++ */ | ||
#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL | ||
*/ | ||
#define SDL_TTF_MAJOR_VERSION 2 | ||
#define SDL_TTF_MINOR_VERSION 0 | ||
#define SDL_TTF_PATCHLEVEL 12 | ||
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/* This macro can be used to fill a version structure with the compile-time | ||
* version of the SDL_ttf library. | ||
*/ | ||
#define SDL_TTF_VERSION(X) \ | ||
{ \ | ||
(X)->major = SDL_TTF_MAJOR_VERSION; \ | ||
(X)->minor = SDL_TTF_MINOR_VERSION; \ | ||
(X)->patch = SDL_TTF_PATCHLEVEL; \ | ||
} | ||
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/* Backwards compatibility */ | ||
#define TTF_MAJOR_VERSION SDL_TTF_MAJOR_VERSION | ||
#define TTF_MINOR_VERSION SDL_TTF_MINOR_VERSION | ||
#define TTF_PATCHLEVEL SDL_TTF_PATCHLEVEL | ||
#define TTF_VERSION(X) SDL_TTF_VERSION(X) | ||
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/* This function gets the version of the dynamically linked SDL_ttf library. | ||
it should NOT be used to fill a version structure, instead you should | ||
use the SDL_TTF_VERSION() macro. | ||
*/ | ||
extern DECLSPEC const SDL_version * SDLCALL TTF_Linked_Version(void); | ||
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/* ZERO WIDTH NO-BREAKSPACE (Unicode byte order mark) */ | ||
#define UNICODE_BOM_NATIVE 0xFEFF | ||
#define UNICODE_BOM_SWAPPED 0xFFFE | ||
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/* This function tells the library whether UNICODE text is generally | ||
byteswapped. A UNICODE BOM character in a string will override | ||
this setting for the remainder of that string. | ||
*/ | ||
extern DECLSPEC void SDLCALL TTF_ByteSwappedUNICODE(int swapped); | ||
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/* The internal structure containing font information */ | ||
typedef struct _TTF_Font TTF_Font; | ||
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/* Initialize the TTF engine - returns 0 if successful, -1 on error */ | ||
extern DECLSPEC int SDLCALL TTF_Init(void); | ||
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/* Open a font file and create a font of the specified point size. | ||
* Some .fon fonts will have several sizes embedded in the file, so the | ||
* point size becomes the index of choosing which size. If the value | ||
* is too high, the last indexed size will be the default. */ | ||
extern DECLSPEC TTF_Font * SDLCALL TTF_OpenFont(const char *file, int ptsize); | ||
extern DECLSPEC TTF_Font * SDLCALL TTF_OpenFontIndex(const char *file, int ptsize, long index); | ||
extern DECLSPEC TTF_Font * SDLCALL TTF_OpenFontRW(SDL_RWops *src, int freesrc, int ptsize); | ||
extern DECLSPEC TTF_Font * SDLCALL TTF_OpenFontIndexRW(SDL_RWops *src, int freesrc, int ptsize, long index); | ||
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/* Set and retrieve the font style */ | ||
#define TTF_STYLE_NORMAL 0x00 | ||
#define TTF_STYLE_BOLD 0x01 | ||
#define TTF_STYLE_ITALIC 0x02 | ||
#define TTF_STYLE_UNDERLINE 0x04 | ||
#define TTF_STYLE_STRIKETHROUGH 0x08 | ||
extern DECLSPEC int SDLCALL TTF_GetFontStyle(const TTF_Font *font); | ||
extern DECLSPEC void SDLCALL TTF_SetFontStyle(TTF_Font *font, int style); | ||
extern DECLSPEC int SDLCALL TTF_GetFontOutline(const TTF_Font *font); | ||
extern DECLSPEC void SDLCALL TTF_SetFontOutline(TTF_Font *font, int outline); | ||
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/* Set and retrieve FreeType hinter settings */ | ||
#define TTF_HINTING_NORMAL 0 | ||
#define TTF_HINTING_LIGHT 1 | ||
#define TTF_HINTING_MONO 2 | ||
#define TTF_HINTING_NONE 3 | ||
extern DECLSPEC int SDLCALL TTF_GetFontHinting(const TTF_Font *font); | ||
extern DECLSPEC void SDLCALL TTF_SetFontHinting(TTF_Font *font, int hinting); | ||
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/* Get the total height of the font - usually equal to point size */ | ||
extern DECLSPEC int SDLCALL TTF_FontHeight(const TTF_Font *font); | ||
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/* Get the offset from the baseline to the top of the font | ||
This is a positive value, relative to the baseline. | ||
*/ | ||
extern DECLSPEC int SDLCALL TTF_FontAscent(const TTF_Font *font); | ||
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/* Get the offset from the baseline to the bottom of the font | ||
This is a negative value, relative to the baseline. | ||
*/ | ||
extern DECLSPEC int SDLCALL TTF_FontDescent(const TTF_Font *font); | ||
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/* Get the recommended spacing between lines of text for this font */ | ||
extern DECLSPEC int SDLCALL TTF_FontLineSkip(const TTF_Font *font); | ||
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/* Get/Set whether or not kerning is allowed for this font */ | ||
extern DECLSPEC int SDLCALL TTF_GetFontKerning(const TTF_Font *font); | ||
extern DECLSPEC void SDLCALL TTF_SetFontKerning(TTF_Font *font, int allowed); | ||
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/* Get the number of faces of the font */ | ||
extern DECLSPEC long SDLCALL TTF_FontFaces(const TTF_Font *font); | ||
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/* Get the font face attributes, if any */ | ||
extern DECLSPEC int SDLCALL TTF_FontFaceIsFixedWidth(const TTF_Font *font); | ||
extern DECLSPEC char * SDLCALL TTF_FontFaceFamilyName(const TTF_Font *font); | ||
extern DECLSPEC char * SDLCALL TTF_FontFaceStyleName(const TTF_Font *font); | ||
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/* Check wether a glyph is provided by the font or not */ | ||
extern DECLSPEC int SDLCALL TTF_GlyphIsProvided(const TTF_Font *font, Uint16 ch); | ||
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/* Get the metrics (dimensions) of a glyph | ||
To understand what these metrics mean, here is a useful link: | ||
http://freetype.sourceforge.net/freetype2/docs/tutorial/step2.html | ||
*/ | ||
extern DECLSPEC int SDLCALL TTF_GlyphMetrics(TTF_Font *font, Uint16 ch, | ||
int *minx, int *maxx, | ||
int *miny, int *maxy, int *advance); | ||
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/* Get the dimensions of a rendered string of text */ | ||
extern DECLSPEC int SDLCALL TTF_SizeText(TTF_Font *font, const char *text, int *w, int *h); | ||
extern DECLSPEC int SDLCALL TTF_SizeUTF8(TTF_Font *font, const char *text, int *w, int *h); | ||
extern DECLSPEC int SDLCALL TTF_SizeUNICODE(TTF_Font *font, const Uint16 *text, int *w, int *h); | ||
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/* Create an 8-bit palettized surface and render the given text at | ||
fast quality with the given font and color. The 0 pixel is the | ||
colorkey, giving a transparent background, and the 1 pixel is set | ||
to the text color. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderText_Solid(TTF_Font *font, | ||
const char *text, SDL_Color fg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUTF8_Solid(TTF_Font *font, | ||
const char *text, SDL_Color fg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUNICODE_Solid(TTF_Font *font, | ||
const Uint16 *text, SDL_Color fg); | ||
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/* Create an 8-bit palettized surface and render the given glyph at | ||
fast quality with the given font and color. The 0 pixel is the | ||
colorkey, giving a transparent background, and the 1 pixel is set | ||
to the text color. The glyph is rendered without any padding or | ||
centering in the X direction, and aligned normally in the Y direction. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderGlyph_Solid(TTF_Font *font, | ||
Uint16 ch, SDL_Color fg); | ||
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/* Create an 8-bit palettized surface and render the given text at | ||
high quality with the given font and colors. The 0 pixel is background, | ||
while other pixels have varying degrees of the foreground color. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderText_Shaded(TTF_Font *font, | ||
const char *text, SDL_Color fg, SDL_Color bg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUTF8_Shaded(TTF_Font *font, | ||
const char *text, SDL_Color fg, SDL_Color bg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUNICODE_Shaded(TTF_Font *font, | ||
const Uint16 *text, SDL_Color fg, SDL_Color bg); | ||
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/* Create an 8-bit palettized surface and render the given glyph at | ||
high quality with the given font and colors. The 0 pixel is background, | ||
while other pixels have varying degrees of the foreground color. | ||
The glyph is rendered without any padding or centering in the X | ||
direction, and aligned normally in the Y direction. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderGlyph_Shaded(TTF_Font *font, | ||
Uint16 ch, SDL_Color fg, SDL_Color bg); | ||
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/* Create a 32-bit ARGB surface and render the given text at high quality, | ||
using alpha blending to dither the font with the given color. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderText_Blended(TTF_Font *font, | ||
const char *text, SDL_Color fg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUTF8_Blended(TTF_Font *font, | ||
const char *text, SDL_Color fg); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUNICODE_Blended(TTF_Font *font, | ||
const Uint16 *text, SDL_Color fg); | ||
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/* Create a 32-bit ARGB surface and render the given text at high quality, | ||
using alpha blending to dither the font with the given color. | ||
Text is wrapped to multiple lines on line endings and on word boundaries | ||
if it extends beyond wrapLength in pixels. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderText_Blended_Wrapped(TTF_Font *font, | ||
const char *text, SDL_Color fg, Uint32 wrapLength); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUTF8_Blended_Wrapped(TTF_Font *font, | ||
const char *text, SDL_Color fg, Uint32 wrapLength); | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderUNICODE_Blended_Wrapped(TTF_Font *font, | ||
const Uint16 *text, SDL_Color fg, Uint32 wrapLength); | ||
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/* Create a 32-bit ARGB surface and render the given glyph at high quality, | ||
using alpha blending to dither the font with the given color. | ||
The glyph is rendered without any padding or centering in the X | ||
direction, and aligned normally in the Y direction. | ||
This function returns the new surface, or NULL if there was an error. | ||
*/ | ||
extern DECLSPEC SDL_Surface * SDLCALL TTF_RenderGlyph_Blended(TTF_Font *font, | ||
Uint16 ch, SDL_Color fg); | ||
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/* For compatibility with previous versions, here are the old functions */ | ||
#define TTF_RenderText(font, text, fg, bg) \ | ||
TTF_RenderText_Shaded(font, text, fg, bg) | ||
#define TTF_RenderUTF8(font, text, fg, bg) \ | ||
TTF_RenderUTF8_Shaded(font, text, fg, bg) | ||
#define TTF_RenderUNICODE(font, text, fg, bg) \ | ||
TTF_RenderUNICODE_Shaded(font, text, fg, bg) | ||
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/* Close an opened font file */ | ||
extern DECLSPEC void SDLCALL TTF_CloseFont(TTF_Font *font); | ||
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/* De-initialize the TTF engine */ | ||
extern DECLSPEC void SDLCALL TTF_Quit(void); | ||
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/* Check if the TTF engine is initialized */ | ||
extern DECLSPEC int SDLCALL TTF_WasInit(void); | ||
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/* Get the kerning size of two glyphs */ | ||
extern DECLSPEC int TTF_GetFontKerningSize(TTF_Font *font, int prev_index, int index); | ||
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/* We'll use SDL for reporting errors */ | ||
#define TTF_SetError SDL_SetError | ||
#define TTF_GetError SDL_GetError | ||
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/* Ends C function definitions when using C++ */ | ||
#ifdef __cplusplus | ||
} | ||
#endif | ||
#include "close_code.h" | ||
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#endif /* _SDL_TTF_H */ |