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7de61e351c
program. The standard driver and mode is the first one in the tgi_mode_table. git-svn-id: svn://svn.cc65.org/cc65/trunk@4153 b7a2c559-68d2-44c3-8de9-860c34a00d81
230 lines
8.2 KiB
C
230 lines
8.2 KiB
C
/*****************************************************************************/
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/* */
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/* tgi.h */
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/* */
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/* Tiny graphics interface */
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/* */
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/* */
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/* */
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/* (C) 2002-2009, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed 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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/* */
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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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/* */
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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 */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _TGI_H
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#define _TGI_H
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#ifndef _TGI_MODE_H
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#include <tgi/tgi-mode.h>
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#endif
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#ifndef _TGI_ERROR_H
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#include <tgi/tgi-error.h>
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#endif
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/*****************************************************************************/
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/* Definitions */
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/*****************************************************************************/
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/* Constants used for tgi_textstyle */
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#define TGI_TEXT_HORIZONTAL 0
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#define TGI_TEXT_VERTICAL 1
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/* The name of the standard tgi driver for a platform */
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extern const char tgi_stddrv[];
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/* The default tgi mode for a platform */
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extern const unsigned char tgi_stdmode;
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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void __fastcall__ tgi_load (unsigned char mode);
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/* Load and install the matching driver for the given mode. Will just load
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* the driver and check if loading was successul. Will not switch to gaphics
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* mode.
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*/
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void __fastcall__ tgi_load_driver (const char* name);
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/* Load and install the given driver. This function is identical to tgi_load
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* with the only difference that the name of the driver is specified
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* explicitly.
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*/
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void __fastcall__ tgi_unload (void);
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/* Uninstall, then unload the currently loaded driver. Will call tgi_done if
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* necessary.
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*/
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void __fastcall__ tgi_install (void* driver);
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/* Install an already loaded driver. */
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void __fastcall__ tgi_uninstall (void);
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/* Uninstall the currently loaded driver but do not unload it. Will call
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* tgi_done if necessary.
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*/
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void __fastcall__ tgi_init (void);
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/* Initialize the already loaded graphics driver. */
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void __fastcall__ tgi_done (void);
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/* End graphics mode, switch back to text mode. Will NOT uninstall or unload
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* the driver!
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*/
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unsigned char __fastcall__ tgi_geterror (void);
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/* Return the error code for the last operation. This will also clear the
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* error.
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*/
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const char* __fastcall__ tgi_geterrormsg (unsigned char code);
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/* Get an error message describing the error in code. */
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void __fastcall__ tgi_clear (void);
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/* Clear the screen. */
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unsigned __fastcall__ tgi_getpagecount (void);
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/* Returns the number of screen pages available. */
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void __fastcall__ tgi_setviewpage (unsigned char page);
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/* Set the visible page. Will set an error if the page is not available. */
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void __fastcall__ tgi_setdrawpage (unsigned char page);
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/* Set the drawable page. Will set an error if the page is not available. */
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unsigned char __fastcall__ tgi_getcolorcount (void);
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/* Get the number of available colors. */
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unsigned char __fastcall__ tgi_getmaxcolor (void);
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/* Return the maximum supported color number (the number of colors would
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* then be getmaxcolor()+1).
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*/
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void __fastcall__ tgi_setcolor (unsigned char color);
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/* Set the current drawing color. */
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unsigned char __fastcall__ tgi_getcolor (void);
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/* Return the current drawing color. */
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void __fastcall__ tgi_setpalette (const unsigned char* palette);
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/* Set the palette (not available with all drivers/hardware). palette is
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* a pointer to as many entries as there are colors.
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*/
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const unsigned char* __fastcall__ tgi_getpalette (void);
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/* Return the current palette. */
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const unsigned char* __fastcall__ tgi_getdefpalette (void);
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/* Return the default palette. */
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unsigned __fastcall__ tgi_getxres (void);
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/* Return the resolution in X direction. */
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unsigned __fastcall__ tgi_getmaxx (void);
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/* Return the maximum x coordinate. The resolution in x direction is
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* getmaxx() + 1
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*/
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unsigned __fastcall__ tgi_getyres (void);
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/* Return the resolution in Y direction. */
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unsigned __fastcall__ tgi_getmaxy (void);
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/* Return the maximum y coordinate. The resolution in y direction is
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* getmaxy() + 1
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*/
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unsigned char __fastcall__ tgi_getpixel (int x, int y);
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/* Get the color value of a pixel. */
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void __fastcall__ tgi_setpixel (int x, int y);
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/* Plot a pixel in the current drawing color. */
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void __fastcall__ tgi_gotoxy (int x, int y);
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/* Set the graphics cursor to the given position. */
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void __fastcall__ tgi_line (int x1, int y1, int x2, int y2);
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/* Draw a line in the current drawing color. The graphics cursor will
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* be set to x2/y2 by this call.
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*/
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void __fastcall__ tgi_lineto (int x2, int y2);
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/* Draw a line in the current drawing color from the graphics cursor to the
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* new end point. The graphics cursor will be updated to x2/y2.
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*/
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void __fastcall__ tgi_circle (int x, int y, unsigned char radius);
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/* Draw a circle in the current drawing color. */
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void __fastcall__ tgi_bar (int x1, int y1, int x2, int y2);
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/* Draw a bar (a filled rectangle) using the current color. */
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void __fastcall__ tgi_textstyle (unsigned char magx, unsigned char magy,
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unsigned char dir);
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/* Set the style for text output. */
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unsigned __fastcall__ tgi_textwidth (const char* s);
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/* Calculate the width of the text in pixels according to the current text
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* style.
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*/
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unsigned __fastcall__ tgi_textheight (const char* s);
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/* Calculate the height of the text in pixels according to the current text
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* style.
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*/
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void __fastcall__ tgi_outtext (const char* s);
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/* Output text at the current graphics cursor position. The graphics cursor
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* is moved to the end of the text.
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*/
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void __fastcall__ tgi_outtextxy (int x, int y, const char* s);
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/* Output text at the given cursor position. The graphics cursor is moved to
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* the end of the text.
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*/
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unsigned __fastcall__ tgi_ioctl (unsigned char code, unsigned val);
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/* Call the driver specific control function. What this function does for
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* a specific code depends on the driver. The driver will set an error
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* for unknown codes or values.
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*/
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/* End of tgi.h */
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#endif
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