142 lines
6.7 KiB
C++
142 lines
6.7 KiB
C++
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/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
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***************************************************************************
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* *
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* Project Name : LIBRARY *
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* *
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* File Name : FONT.C *
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* *
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* Programmer : David Dettmer *
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* *
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* Last Update : July 20, 1994 [SKB] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* Char_Pixel_Width -- Return pixel width of a character. *
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* String_Pixel_Width -- Return pixel width of a string of characters. *
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* Get_Next_Text_Print_XY -- Calculates X and Y given ret value from Text_P*
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "font.h"
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#include <malloc.h>
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#include <dos.h>
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#include <fcntl.h>
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#include <io.h>
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#include <sys\stat.h>
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#include <string.h>
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#include <wwstd.h>
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/***************************************************************************
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* CHAR_PIXEL_WIDTH -- Return pixel width of a character. *
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* *
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* Retreives the pixel width of a character from the font width block. *
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* *
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* INPUT: Character. *
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* *
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* OUTPUT: Pixel width of a string of characters. *
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* *
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* WARNINGS: Set_Font must have been called first. *
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* *
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* HISTORY: *
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* 01/31/1992 DRD : Created. *
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* 06/30/1994 SKB : Converted to 32 bit library. *
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*=========================================================================*/
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int __cdecl Char_Pixel_Width(char chr)
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{
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int width;
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width = (unsigned char)*(FontWidthBlockPtr + (unsigned char)chr) + FontXSpacing;
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return(width);
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}
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/***************************************************************************
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* STRING_PIXEL_WIDTH -- Return pixel width of a string of characters. *
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* *
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* Calculates the pixel width of a string of characters. This uses *
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* the font width block for the widths. *
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* *
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* INPUT: Pointer to string of characters. *
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* *
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* OUTPUT: Pixel width of a string of characters. *
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* *
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* WARNINGS: Set_Font must have been called first. *
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* *
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* HISTORY: *
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* 01/30/1992 DRD : Created. *
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* 01/31/1992 DRD : Use Char_Pixel_Width. *
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* 06/30/1994 SKB : Converted to 32 bit library. *
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*=========================================================================*/
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unsigned int __cdecl String_Pixel_Width(char const *string)
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{
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WORD width; // Working accumulator of string width.
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WORD largest = 0; // Largest recorded width of the string.
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if (!string) return(0);
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width = 0;
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while (*string) {
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if (*string == '\r') {
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string++;
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largest = MAX(largest, width);
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width = 0;
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} else {
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width += Char_Pixel_Width(*string++); // add each char's width
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}
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}
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largest = MAX(largest, width);
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return(largest);
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}
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/***************************************************************************
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* GET_NEXT_TEXT_PRINT_XY -- Calculates X and Y given ret value from Text_P*
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* *
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* *
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* INPUT: VVPC& vp - viewport that was printed to. *
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* unsigned long offset - offset that Text_Print returned. *
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* INT *x - x return value. *
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* INT *y - y return value. *
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* *
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* OUTPUT: x and y are set. *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 07/20/1994 SKB : Created. *
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*=========================================================================*/
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VOID __cdecl Get_Next_Text_Print_XY(GraphicViewPortClass& gp, unsigned long offset, INT *x, INT *y)
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{
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INT buffwidth;
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if (offset) {
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buffwidth = gp.Get_Width() + gp.Get_XAdd();
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offset -= gp.Get_Offset();
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*x = offset % buffwidth;
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*y = offset / buffwidth;
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} else {
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*x = *y = 0;
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}
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}
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