scummvm/engines/tinsel/text.h
2021-08-02 01:08:29 +02:00

125 lines
4.4 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Text utility defines
*/
#ifndef TINSEL_TEXT_H // prevent multiple includes
#define TINSEL_TEXT_H
#include "common/coroutines.h"
#include "tinsel/object.h" // object manager defines
namespace Tinsel {
/** text mode flags - defaults to left justify */
enum {
TXT_CENTER = 0x0001, ///< center justify text
TXT_RIGHT = 0x0002, ///< right justify text
TXT_SHADOW = 0x0004, ///< shadow each character
TXT_ABSOLUTE = 0x0008 ///< position of text is absolute (only for object text)
};
/** maximum number of characters in a font */
#define MAX_FONT_CHARS 256
#define C16_240 0x4000
#define C16_224 0x8000
#define C16_MAP 0xC000
#define C16_FLAG_MASK (C16_240 | C16_224 | C16_MAP)
#include "common/pack-start.h" // START STRUCT PACKING
/**
* Text font data structure.
* @note only the pointer is used so the size of fontDef[] is not important.
* It is currently set at 300 because it suited me for debugging.
*/
struct FONT {
int xSpacing; ///< x spacing between characters
int ySpacing; ///< y spacing between characters
int xShadow; ///< x shadow offset
int yShadow; ///< y shadow offset
int spaceSize; ///< x spacing to use for a space character
OBJ_INIT fontInit; ///< structure used to init text objects
SCNHANDLE fontDef[300]; ///< image handle array for all characters in the font
} PACKED_STRUCT;
struct T3_FONT {
int xSpacing; ///< x spacing between characters
int ySpacing; ///< y spacing between characters
int xShadow; ///< x shadow offset
int yShadow; ///< y shadow offset
int spaceSize; ///< x spacing to use for a space character
int baseColor; ///< base color which can be replaced, specific to Tinsel 3
OBJ_INIT fontInit; ///< structure used to init text objects
SCNHANDLE fontDef[300]; ///< image handle array for all characters in the font
} PACKED_STRUCT;
#include "common/pack-end.h" // END STRUCT PACKING
/** structure for passing the correct parameters to ObjectTextOut */
struct TEXTOUT {
OBJECT *pList; ///< object list to add text to
char *szStr; ///< string to output
int color; ///< color for monochrome text
int xPos; ///< x position of string
int yPos; ///< y position of string
SCNHANDLE hFont; ///< which font to use
int mode; ///< mode flags for the string
int sleepTime; ///< sleep time between each character (if non-zero)
};
/*----------------------------------------------------------------------*\
|* Text Function Prototypes *|
\*----------------------------------------------------------------------*/
/**
* Main text outputting routine. If a object list is specified a
* multi-object is created for the whole text and a pointer to the head
* of the list is returned.
* @param pList object list to add text to
* @param szStr string to output
* @param color color for monochrome text
* @param xPos x position of string
* @param yPos y position of string
* @param hFont which font to use
* @param mode mode flags for the string
* @param sleepTime Sleep time between each character (if non-zero)
*/
OBJECT *ObjectTextOut(OBJECT **pList, char *szStr, int color,
int xPos, int yPos, SCNHANDLE hFont, int mode, int sleepTime = 0);
OBJECT *ObjectTextOutIndirect( // output a string of text
TEXTOUT *pText); // pointer to TextOut struct with all parameters
bool IsCharImage( // Is there an image for this character in this font?
SCNHANDLE hFont, // which font to use
char c); // character to test
uint32 t3GetBaseColor();
} // End of namespace Tinsel
#endif // TINSEL_TEXT_H