mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
synced 2024-04-28 17:32:32 +12:00
03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
139 lines
6.8 KiB
C++
139 lines
6.8 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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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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