169 lines
5.3 KiB
C
169 lines
5.3 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
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.
|
|
*/
|
|
|
|
/**
|
|
* \file SDL_test_font.h
|
|
*
|
|
* Include file for SDL test framework.
|
|
*
|
|
* This code is a part of the SDL2_test library, not the main SDL library.
|
|
*/
|
|
|
|
#ifndef SDL_test_font_h_
|
|
#define SDL_test_font_h_
|
|
|
|
#include "begin_code.h"
|
|
/* Set up for C function definitions, even when using C++ */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Function prototypes */
|
|
|
|
#define FONT_CHARACTER_SIZE 8
|
|
#define FONT_LINE_HEIGHT (FONT_CHARACTER_SIZE + 2)
|
|
|
|
/**
|
|
* \brief Draw a string in the currently set font.
|
|
*
|
|
* \param renderer The renderer to draw on.
|
|
* \param x The X coordinate of the upper left corner of the character.
|
|
* \param y The Y coordinate of the upper left corner of the character.
|
|
* \param c The character to draw.
|
|
*
|
|
* \returns 0 on success, -1 on failure.
|
|
*/
|
|
int SDLTest_DrawCharacter(SDL_Renderer *renderer, int x, int y, Uint32 c);
|
|
|
|
/**
|
|
* \brief Draw a UTF-8 string in the currently set font.
|
|
*
|
|
* The font currently only supports characters in the Basic Latin and Latin-1 Supplement sets.
|
|
*
|
|
* \param renderer The renderer to draw on.
|
|
* \param x The X coordinate of the upper left corner of the string.
|
|
* \param y The Y coordinate of the upper left corner of the string.
|
|
* \param s The string to draw.
|
|
*
|
|
* \returns 0 on success, -1 on failure.
|
|
*/
|
|
int SDLTest_DrawString(SDL_Renderer *renderer, int x, int y, const char *s);
|
|
|
|
/**
|
|
* \brief Data used for multi-line text output
|
|
*/
|
|
typedef struct SDLTest_TextWindow
|
|
{
|
|
SDL_Rect rect;
|
|
int current;
|
|
int numlines;
|
|
char **lines;
|
|
} SDLTest_TextWindow;
|
|
|
|
/**
|
|
* \brief Create a multi-line text output window
|
|
*
|
|
* \param x The X coordinate of the upper left corner of the window.
|
|
* \param y The Y coordinate of the upper left corner of the window.
|
|
* \param w The width of the window (currently ignored)
|
|
* \param h The height of the window (currently ignored)
|
|
*
|
|
* \returns the new window, or NULL on failure.
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
SDLTest_TextWindow *SDLTest_TextWindowCreate(int x, int y, int w, int h);
|
|
|
|
/**
|
|
* \brief Display a multi-line text output window
|
|
*
|
|
* This function should be called every frame to display the text
|
|
*
|
|
* \param textwin The text output window
|
|
* \param renderer The renderer to use for display
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
void SDLTest_TextWindowDisplay(SDLTest_TextWindow *textwin, SDL_Renderer *renderer);
|
|
|
|
/**
|
|
* \brief Add text to a multi-line text output window
|
|
*
|
|
* Adds UTF-8 text to the end of the current text. The newline character starts a
|
|
* new line of text. The backspace character deletes the last character or, if the
|
|
* line is empty, deletes the line and goes to the end of the previous line.
|
|
*
|
|
* \param textwin The text output window
|
|
* \param fmt A printf() style format string
|
|
* \param ... additional parameters matching % tokens in the `fmt` string, if any
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
void SDLTest_TextWindowAddText(SDLTest_TextWindow *textwin, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
|
|
|
|
/**
|
|
* \brief Add text to a multi-line text output window
|
|
*
|
|
* Adds UTF-8 text to the end of the current text. The newline character starts a
|
|
* new line of text. The backspace character deletes the last character or, if the
|
|
* line is empty, deletes the line and goes to the end of the previous line.
|
|
*
|
|
* \param textwin The text output window
|
|
* \param text The text to add to the window
|
|
* \param len The length, in bytes, of the text to add to the window
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
void SDLTest_TextWindowAddTextWithLength(SDLTest_TextWindow *textwin, const char *text, size_t len);
|
|
|
|
/**
|
|
* \brief Clear the text in a multi-line text output window
|
|
*
|
|
* \param textwin The text output window
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
void SDLTest_TextWindowClear(SDLTest_TextWindow *textwin);
|
|
|
|
/**
|
|
* \brief Free the storage associated with a multi-line text output window
|
|
*
|
|
* \param textwin The text output window
|
|
*
|
|
* \since This function is available since SDL 2.24.0
|
|
*/
|
|
void SDLTest_TextWindowDestroy(SDLTest_TextWindow *textwin);
|
|
|
|
/**
|
|
* \brief Cleanup textures used by font drawing functions.
|
|
*/
|
|
void SDLTest_CleanupTextDrawing(void);
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* SDL_test_font_h_ */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|