🛠️🐜 Antkeeper superbuild with dependencies included
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168 lines
5.3 KiB
168 lines
5.3 KiB
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_test_font.h
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*
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* Include file for SDL test framework.
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*
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* This code is a part of the SDL2_test library, not the main SDL library.
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*/
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#ifndef SDL_test_font_h_
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#define SDL_test_font_h_
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Function prototypes */
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#define FONT_CHARACTER_SIZE 8
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#define FONT_LINE_HEIGHT (FONT_CHARACTER_SIZE + 2)
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/**
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* \brief Draw a string in the currently set font.
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*
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* \param renderer The renderer to draw on.
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* \param x The X coordinate of the upper left corner of the character.
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* \param y The Y coordinate of the upper left corner of the character.
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* \param c The character to draw.
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*
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* \returns 0 on success, -1 on failure.
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*/
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int SDLTest_DrawCharacter(SDL_Renderer *renderer, int x, int y, Uint32 c);
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/**
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* \brief Draw a UTF-8 string in the currently set font.
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*
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* The font currently only supports characters in the Basic Latin and Latin-1 Supplement sets.
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*
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* \param renderer The renderer to draw on.
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* \param x The X coordinate of the upper left corner of the string.
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* \param y The Y coordinate of the upper left corner of the string.
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* \param s The string to draw.
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*
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* \returns 0 on success, -1 on failure.
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*/
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int SDLTest_DrawString(SDL_Renderer *renderer, int x, int y, const char *s);
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/**
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* \brief Data used for multi-line text output
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*/
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typedef struct SDLTest_TextWindow
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{
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SDL_Rect rect;
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int current;
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int numlines;
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char **lines;
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} SDLTest_TextWindow;
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/**
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* \brief Create a multi-line text output window
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*
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* \param x The X coordinate of the upper left corner of the window.
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* \param y The Y coordinate of the upper left corner of the window.
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* \param w The width of the window (currently ignored)
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* \param h The height of the window (currently ignored)
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*
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* \returns the new window, or NULL on failure.
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*
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* \since This function is available since SDL 2.24.0
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*/
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SDLTest_TextWindow *SDLTest_TextWindowCreate(int x, int y, int w, int h);
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/**
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* \brief Display a multi-line text output window
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*
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* This function should be called every frame to display the text
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*
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* \param textwin The text output window
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* \param renderer The renderer to use for display
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*
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* \since This function is available since SDL 2.24.0
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*/
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void SDLTest_TextWindowDisplay(SDLTest_TextWindow *textwin, SDL_Renderer *renderer);
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/**
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* \brief Add text to a multi-line text output window
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*
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* Adds UTF-8 text to the end of the current text. The newline character starts a
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* new line of text. The backspace character deletes the last character or, if the
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* line is empty, deletes the line and goes to the end of the previous line.
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*
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* \param textwin The text output window
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* \param fmt A printf() style format string
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* \param ... additional parameters matching % tokens in the `fmt` string, if any
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*
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* \since This function is available since SDL 2.24.0
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*/
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void SDLTest_TextWindowAddText(SDLTest_TextWindow *textwin, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
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/**
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* \brief Add text to a multi-line text output window
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*
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* Adds UTF-8 text to the end of the current text. The newline character starts a
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* new line of text. The backspace character deletes the last character or, if the
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* line is empty, deletes the line and goes to the end of the previous line.
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*
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* \param textwin The text output window
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* \param text The text to add to the window
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* \param len The length, in bytes, of the text to add to the window
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*
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* \since This function is available since SDL 2.24.0
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*/
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void SDLTest_TextWindowAddTextWithLength(SDLTest_TextWindow *textwin, const char *text, size_t len);
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/**
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* \brief Clear the text in a multi-line text output window
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*
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* \param textwin The text output window
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*
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* \since This function is available since SDL 2.24.0
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*/
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void SDLTest_TextWindowClear(SDLTest_TextWindow *textwin);
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/**
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* \brief Free the storage associated with a multi-line text output window
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*
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* \param textwin The text output window
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*
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* \since This function is available since SDL 2.24.0
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*/
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void SDLTest_TextWindowDestroy(SDLTest_TextWindow *textwin);
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/**
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* \brief Cleanup textures used by font drawing functions.
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*/
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void SDLTest_CleanupTextDrawing(void);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include "close_code.h"
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#endif /* SDL_test_font_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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