X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Ftgi.h;h=f458180c51a8c62f91b938e958bf7ea9c3de01cc;hb=2cd4b5109a59c3743b38369359c389cc1b9edab4;hp=0ed472c5858d3ed575a81fe1d96e143bb498d122;hpb=7de61e351c5072c680a7f3b67cd6be5170a78560;p=cc65 diff --git a/include/tgi.h b/include/tgi.h index 0ed472c58..f458180c5 100644 --- a/include/tgi.h +++ b/include/tgi.h @@ -6,7 +6,7 @@ /* */ /* */ /* */ -/* (C) 2002-2009, Ullrich von Bassewitz */ +/* (C) 2002-2013, Ullrich von Bassewitz */ /* Roemerstrasse 52 */ /* D-70794 Filderstadt */ /* EMail: uz@cc65.org */ @@ -38,12 +38,8 @@ -#ifndef _TGI_MODE_H -#include -#endif -#ifndef _TGI_ERROR_H #include -#endif +#include @@ -53,69 +49,82 @@ -/* Constants used for tgi_textstyle */ +/* Font constants for use with tgi_settextstyle */ +#define TGI_FONT_BITMAP 0 +#define TGI_FONT_VECTOR 1 + +/* Direction constants for use with tgi_settextstyle */ #define TGI_TEXT_HORIZONTAL 0 #define TGI_TEXT_VERTICAL 1 /* The name of the standard tgi driver for a platform */ extern const char tgi_stddrv[]; -/* The default tgi mode for a platform */ -extern const unsigned char tgi_stdmode; +/* The address of the static standard tgi driver for a platform */ +extern const void tgi_static_stddrv[]; + +/* A vector font definition */ +typedef struct tgi_vectorfont tgi_vectorfont; /*****************************************************************************/ -/* Functions */ +/* Functions */ /*****************************************************************************/ -void __fastcall__ tgi_load (unsigned char mode); -/* Load and install the matching driver for the given mode. Will just load - * the driver and check if loading was successul. Will not switch to gaphics - * mode. - */ - void __fastcall__ tgi_load_driver (const char* name); -/* Load and install the given driver. This function is identical to tgi_load - * with the only difference that the name of the driver is specified - * explicitly. - */ +/* Load and install the given driver. */ -void __fastcall__ tgi_unload (void); +void tgi_unload (void); /* Uninstall, then unload the currently loaded driver. Will call tgi_done if - * necessary. - */ +** necessary. +*/ void __fastcall__ tgi_install (void* driver); /* Install an already loaded driver. */ -void __fastcall__ tgi_uninstall (void); +void tgi_uninstall (void); /* Uninstall the currently loaded driver but do not unload it. Will call - * tgi_done if necessary. - */ +** tgi_done if necessary. +*/ -void __fastcall__ tgi_init (void); +void tgi_init (void); /* Initialize the already loaded graphics driver. */ -void __fastcall__ tgi_done (void); +void tgi_done (void); /* End graphics mode, switch back to text mode. Will NOT uninstall or unload - * the driver! - */ +** the driver! +*/ + +const tgi_vectorfont* __fastcall__ tgi_load_vectorfont (const char* name); +/* Load a vector font into memory and return it. In case of errors, NULL is +** returned and an error is set, which can be retrieved using tgi_geterror. +** To use the font, it has to be installed using tgi_install_vectorfont. +*/ + +void __fastcall__ tgi_install_vectorfont (const tgi_vectorfont* font); +/* Install a vector font for use. More than one vector font can be loaded, +** but only one can be active. This function is used to tell which one. Call +** with a NULL pointer to uninstall the currently installed font. +*/ + +void __fastcall__ tgi_free_vectorfont (const tgi_vectorfont* font); +/* Free a vector font that was previously loaded into memory. */ -unsigned char __fastcall__ tgi_geterror (void); +unsigned char tgi_geterror (void); /* Return the error code for the last operation. This will also clear the - * error. - */ +** error. +*/ const char* __fastcall__ tgi_geterrormsg (unsigned char code); /* Get an error message describing the error in code. */ -void __fastcall__ tgi_clear (void); -/* Clear the screen. */ +void tgi_clear (void); +/* Clear the drawpage. */ -unsigned __fastcall__ tgi_getpagecount (void); +unsigned tgi_getpagecount (void); /* Returns the number of screen pages available. */ void __fastcall__ tgi_setviewpage (unsigned char page); @@ -124,46 +133,56 @@ void __fastcall__ tgi_setviewpage (unsigned char page); void __fastcall__ tgi_setdrawpage (unsigned char page); /* Set the drawable page. Will set an error if the page is not available. */ -unsigned char __fastcall__ tgi_getcolorcount (void); +unsigned char tgi_getcolorcount (void); /* Get the number of available colors. */ -unsigned char __fastcall__ tgi_getmaxcolor (void); +unsigned char tgi_getmaxcolor (void); /* Return the maximum supported color number (the number of colors would - * then be getmaxcolor()+1). - */ +** then be getmaxcolor()+1). +*/ void __fastcall__ tgi_setcolor (unsigned char color); /* Set the current drawing color. */ -unsigned char __fastcall__ tgi_getcolor (void); +unsigned char tgi_getcolor (void); /* Return the current drawing color. */ void __fastcall__ tgi_setpalette (const unsigned char* palette); /* Set the palette (not available with all drivers/hardware). palette is - * a pointer to as many entries as there are colors. - */ +** a pointer to as many entries as there are colors. +*/ -const unsigned char* __fastcall__ tgi_getpalette (void); +const unsigned char* tgi_getpalette (void); /* Return the current palette. */ -const unsigned char* __fastcall__ tgi_getdefpalette (void); +const unsigned char* tgi_getdefpalette (void); /* Return the default palette. */ -unsigned __fastcall__ tgi_getxres (void); +unsigned tgi_getxres (void); /* Return the resolution in X direction. */ -unsigned __fastcall__ tgi_getmaxx (void); +unsigned tgi_getmaxx (void); /* Return the maximum x coordinate. The resolution in x direction is - * getmaxx() + 1 - */ +** getmaxx() + 1 +*/ -unsigned __fastcall__ tgi_getyres (void); +unsigned tgi_getyres (void); /* Return the resolution in Y direction. */ -unsigned __fastcall__ tgi_getmaxy (void); +unsigned tgi_getmaxy (void); /* Return the maximum y coordinate. The resolution in y direction is - * getmaxy() + 1 - */ +** getmaxy() + 1 +*/ + +unsigned tgi_getaspectratio (void); +/* Returns the aspect ratio for the loaded driver. The aspect ratio is an +** 8.8 fixed point value. +*/ + +void __fastcall__ tgi_setaspectratio (unsigned aspectratio); +/* Set a new aspect ratio for the loaded driver. The aspect ratio is an +** 8.8 fixed point value. +*/ unsigned char __fastcall__ tgi_getpixel (int x, int y); /* Get the color value of a pixel. */ @@ -176,54 +195,91 @@ void __fastcall__ tgi_gotoxy (int x, int y); void __fastcall__ tgi_line (int x1, int y1, int x2, int y2); /* Draw a line in the current drawing color. The graphics cursor will - * be set to x2/y2 by this call. - */ +** be set to x2/y2 by this call. +*/ void __fastcall__ tgi_lineto (int x2, int y2); /* Draw a line in the current drawing color from the graphics cursor to the - * new end point. The graphics cursor will be updated to x2/y2. - */ +** new end point. The graphics cursor will be updated to x2/y2. +*/ void __fastcall__ tgi_circle (int x, int y, unsigned char radius); /* Draw a circle in the current drawing color. */ +void __fastcall__ tgi_ellipse (int x, int y, unsigned char rx, unsigned char ry); +/* Draw a full ellipse with center at x/y and radii rx/ry using the current +** drawing color. +*/ + +void __fastcall__ tgi_arc (int x, int y, unsigned char rx, unsigned char ry, + unsigned sa, unsigned ea); +/* Draw an ellipse arc with center at x/y and radii rx/ry using the current +** drawing color. The arc covers the angle between sa and ea (startangle and +** endangle), which must be in the range 0..360 (otherwise the function may +** bevave unextectedly). +*/ + +void __fastcall__ tgi_pieslice (int x, int y, unsigned char rx, unsigned char ry, + unsigned sa, unsigned ea); +/* Draw an ellipse pie slice with center at x/y and radii rx/ry using the +** current drawing color. The pie slice covers the angle between sa and ea +** (startangle and endangle), which must be in the range 0..360 (otherwise the +** function may behave unextectedly). +*/ + void __fastcall__ tgi_bar (int x1, int y1, int x2, int y2); /* Draw a bar (a filled rectangle) using the current color. */ -void __fastcall__ tgi_textstyle (unsigned char magx, unsigned char magy, - unsigned char dir); -/* Set the style for text output. */ - -unsigned __fastcall__ tgi_textwidth (const char* s); +void __fastcall__ tgi_settextdir (unsigned char dir); +/* Set the direction for text output. dir is one of the TGI_TEXT_XXX +** constants. +*/ + +void __fastcall__ tgi_settextscale (unsigned width, unsigned height); +/* Set the scaling for text output. The scaling factors for width and height +** are 8.8 fixed point values. This means that $100 = 1 $200 = 2 etc. +*/ + +void __fastcall__ tgi_settextstyle (unsigned width, unsigned height, + unsigned char dir, unsigned char font); +/* Set the style for text output. The scaling factors for width and height +** are 8.8 fixed point values. This means that $100 = 1 $200 = 2 etc. +** dir is one of the TGI_TEXT_XXX constants. font is one of the TGI_FONT_XXX +** constants. +*/ + +unsigned __fastcall__ tgi_gettextwidth (const char* s); /* Calculate the width of the text in pixels according to the current text - * style. - */ +** style. +*/ -unsigned __fastcall__ tgi_textheight (const char* s); +unsigned __fastcall__ tgi_gettextheight (const char* s); /* Calculate the height of the text in pixels according to the current text - * style. - */ +** style. +*/ void __fastcall__ tgi_outtext (const char* s); /* Output text at the current graphics cursor position. The graphics cursor - * is moved to the end of the text. - */ +** is moved to the end of the text. +*/ void __fastcall__ tgi_outtextxy (int x, int y, const char* s); /* Output text at the given cursor position. The graphics cursor is moved to - * the end of the text. - */ +** the end of the text. +*/ -unsigned __fastcall__ tgi_ioctl (unsigned char code, unsigned val); +unsigned __fastcall__ tgi_ioctl (unsigned char code, void* data); /* Call the driver specific control function. What this function does for - * a specific code depends on the driver. The driver will set an error - * for unknown codes or values. - */ +** a specific code depends on the driver. The driver will set an error +** for unknown codes or values. +*/ + +int __fastcall__ tgi_imulround (int rhs, int lhs); +/* Helper function for functions using sine/cosine: Multiply two values, one +** being an 8.8 fixed point one, and return the rounded and scaled result. +*/ /* End of tgi.h */ #endif - - -