/* */
/* */
/* */
-/* (C) 2002 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
+/* (C) 2002-2009, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
#ifndef _TGI_MODE_H
-#include "tgi/tgi-mode.h"
+#include <tgi/tgi-mode.h>
#endif
#ifndef _TGI_ERROR_H
-#include "tgi/tgi-error.h"
+#include <tgi/tgi-error.h>
#endif
-/* Constants used for tgi_textstyle */
+/* Color constants */
+#define TGI_COLOR_BLACK 0
+#define TGI_COLOR_WHITE 1
+
+/* Font constants for use with tgi_textstyle */
+#define TGI_FONT_BITMAP 0
+#define TGI_FONT_VECTOR 1
+
+/* Direction constants for use with tgi_textstyle */
#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;
+
+/* A vector font definition */
+typedef struct tgi_vectorfont tgi_vectorfont;
+
/*****************************************************************************/
void __fastcall__ tgi_load (unsigned char mode);
-/* 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.
+/* 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);
-/* 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. This function is identical to tgi_load
+ * with the only difference that the name of the driver is specified
+ * explicitly.
*/
void __fastcall__ tgi_unload (void);
-/* Unload the currently loaded driver. Will call tgi_done if necessary. */
+/* Uninstall, then unload the currently loaded driver. Will call tgi_done if
+ * necessary.
+ */
-void __fastcall__ tgi_init (unsigned char mode);
-/* Initialize the given graphics mode. */
+void __fastcall__ tgi_install (void* driver);
+/* Install an already loaded driver. */
+
+void __fastcall__ tgi_uninstall (void);
+/* Uninstall the currently loaded driver but do not unload it. Will call
+ * tgi_done if necessary.
+ */
+
+void __fastcall__ tgi_init (void);
+/* Initialize the already loaded graphics driver. */
void __fastcall__ tgi_done (void);
-/* End graphics mode, switch back to text mode. Will NOT unload the driver! */
+/* End graphics mode, switch back to text mode. Will NOT uninstall or unload
+ * 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 tgi_free_vectorfont (const tgi_vectorfont* font);
+/* Free a vector font that was previously loaded into memory. */
unsigned char __fastcall__ tgi_geterror (void);
/* Return the error code for the last operation. This will also clear the
* 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. */
+/* Clear the drawpage. */
-void __fastcall__ tgi_getpagecount (void);
+unsigned __fastcall__ tgi_getpagecount (void);
/* Returns the number of screen pages available. */
void __fastcall__ tgi_setviewpage (unsigned char page);
*/
const unsigned char* __fastcall__ tgi_getpalette (void);
-/* Return the current palette. Will return NULL for drivers that do not
- * support palettes.
- */
+/* 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.
- */
+/* Return the default palette. */
unsigned __fastcall__ tgi_getxres (void);
/* Return the resolution in X direction. */
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_textscale (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_textstyle (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);
/* Calculate the width of the text in pixels according to the current text
* 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 */