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Diffstat (limited to 'vendor/SDL_ttf/include/SDL_ttf.h')
| -rw-r--r-- | vendor/SDL_ttf/include/SDL_ttf.h | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/vendor/SDL_ttf/include/SDL_ttf.h b/vendor/SDL_ttf/include/SDL_ttf.h new file mode 100644 index 0000000..75e79e0 --- /dev/null +++ b/vendor/SDL_ttf/include/SDL_ttf.h @@ -0,0 +1,280 @@ +/* + SDL_ttf: A companion library to SDL for working with TrueType (tm) fonts + Copyright (C) 2001-2016 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. +*/ + +/* This library is a wrapper around the excellent FreeType 2.0 library, + available at: + http://www.freetype.org/ +*/ + +/* Note: In many places, SDL_ttf will say "glyph" when it means "code point." + Unicode is hard, we learn as we go, and we apologize for adding to the + confusion. */ + +#ifndef _SDL_TTF_H +#define _SDL_TTF_H + +#include "SDL.h" +#include "begin_code.h" + +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + +/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL +*/ +#define SDL_TTF_MAJOR_VERSION 2 +#define SDL_TTF_MINOR_VERSION 0 +#define SDL_TTF_PATCHLEVEL 14 + +/* 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; \ +} + +/* 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) + +/* Make sure this is defined (only available in newer SDL versions) */ +#ifndef SDL_DEPRECATED +#define SDL_DEPRECATED +#endif + +/* 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); + +/* ZERO WIDTH NO-BREAKSPACE (Unicode byte order mark) */ +#define UNICODE_BOM_NATIVE 0xFEFF +#define UNICODE_BOM_SWAPPED 0xFFFE + +/* 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); + +/* The internal structure containing font information */ +typedef struct _TTF_Font TTF_Font; + +/* Initialize the TTF engine - returns 0 if successful, -1 on error */ +extern DECLSPEC int SDLCALL TTF_Init(void); + +/* 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); + +/* 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); + +/* 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); + +/* Get the total height of the font - usually equal to point size */ +extern DECLSPEC int SDLCALL TTF_FontHeight(const TTF_Font *font); + +/* 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); + +/* 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); + +/* Get the recommended spacing between lines of text for this font */ +extern DECLSPEC int SDLCALL TTF_FontLineSkip(const TTF_Font *font); + +/* 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); + +/* Get the number of faces of the font */ +extern DECLSPEC long SDLCALL TTF_FontFaces(const TTF_Font *font); + +/* 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); + +/* Check wether a glyph is provided by the font or not */ +extern DECLSPEC int SDLCALL TTF_GlyphIsProvided(const TTF_Font *font, Uint16 ch); + +/* 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); + +/* 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); + +/* 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); + +/* 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); + +/* 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); + +/* 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); + +/* 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); + + +/* 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); + +/* 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); + +/* 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) + +/* Close an opened font file */ +extern DECLSPEC void SDLCALL TTF_CloseFont(TTF_Font *font); + +/* De-initialize the TTF engine */ +extern DECLSPEC void SDLCALL TTF_Quit(void); + +/* Check if the TTF engine is initialized */ +extern DECLSPEC int SDLCALL TTF_WasInit(void); + +/* Get the kerning size of two glyphs indices */ +/* DEPRECATED: this function requires FreeType font indexes, not glyphs, + by accident, which we don't expose through this API, so it could give + wildly incorrect results, especially with non-ASCII values. + Going forward, please use TTF_GetFontKerningSizeGlyphs() instead, which + does what you probably expected this function to do. */ +extern DECLSPEC int TTF_GetFontKerningSize(TTF_Font *font, int prev_index, int index) SDL_DEPRECATED; + +/* Get the kerning size of two glyphs */ +extern DECLSPEC int TTF_GetFontKerningSizeGlyphs(TTF_Font *font, Uint16 previous_ch, Uint16 ch); + +/* We'll use SDL for reporting errors */ +#define TTF_SetError SDL_SetError +#define TTF_GetError SDL_GetError + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* _SDL_TTF_H */ |