X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Ftgi.h;h=661403370809059966f0af1b492c7c6891aca8fe;hb=e1f9b188a0d15f98af566a8b545c9b9d15a37e6f;hp=bb4a9564461d5f8ea8efa46c9ee1680e0f84f047;hpb=8ecdf9d6b7c7d84642d5784c74b98649395b7e61;p=cc65 diff --git a/include/tgi.h b/include/tgi.h index bb4a95644..661403370 100644 --- a/include/tgi.h +++ b/include/tgi.h @@ -6,10 +6,10 @@ /* */ /* */ /* */ -/* (C) 2002-2003 Ullrich von Bassewitz */ -/* Römerstrasse 52 */ -/* D-70794 Filderstadt */ -/* EMail: uz@cc65.org */ +/* (C) 2002-2013, Ullrich von Bassewitz */ +/* Roemerstrasse 52 */ +/* D-70794 Filderstadt */ +/* EMail: uz@cc65.org */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ @@ -38,9 +38,6 @@ -#ifndef _TGI_MODE_H -#include -#endif #ifndef _TGI_ERROR_H #include #endif @@ -53,10 +50,23 @@ -/* 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 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; + /*****************************************************************************/ @@ -65,20 +75,10 @@ -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. You should NOT use this function in most cases, use tgi_load() - * instead. - */ +/* 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. */ @@ -86,28 +86,46 @@ void __fastcall__ tgi_unload (void); 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. */ -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! */ -unsigned char __fastcall__ tgi_geterror (void); +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 tgi_geterror (void); /* Return the error code for the last operation. This will also clear the * error. */ -void __fastcall__ tgi_clear (void); -/* Clear the screen. */ +const char* __fastcall__ tgi_geterrormsg (unsigned char code); +/* Get an error message describing the error in code. */ -void __fastcall__ tgi_getpagecount (void); +void tgi_clear (void); +/* Clear the drawpage. */ + +unsigned tgi_getpagecount (void); /* Returns the number of screen pages available. */ void __fastcall__ tgi_setviewpage (unsigned char page); @@ -116,10 +134,10 @@ 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). */ @@ -127,7 +145,7 @@ unsigned char __fastcall__ tgi_getmaxcolor (void); 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); @@ -135,32 +153,38 @@ void __fastcall__ tgi_setpalette (const unsigned char* palette); * a pointer to as many entries as there are colors. */ -const unsigned char* __fastcall__ tgi_getpalette (void); -/* Return the current palette. Will return NULL for drivers that do not - * support palettes. - */ +const unsigned char* tgi_getpalette (void); +/* Return the current palette. */ -const unsigned char* __fastcall__ tgi_getdefpalette (void); -/* Return the default palette. Will return NULL for drivers that do not - * support palettes. - */ +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 */ -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 */ +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. */ @@ -183,19 +207,54 @@ void __fastcall__ tgi_lineto (int x2, int 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. */ +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_textwidth (const char* s); +unsigned __fastcall__ tgi_gettextwidth (const char* s); /* Calculate the width of the text in pixels according to the current text * 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. */ @@ -210,6 +269,12 @@ void __fastcall__ tgi_outtextxy (int x, int y, const char* s); * the end of the text. */ +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. + */ + /* End of tgi.h */