teraterm/teraterm/teraprn.cpp

/*
 * Copyright (C) 1994-1998 T. Teranishi
 * (C) 2007-2017 TeraTerm Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* TERATERM.EXE, Printing routines */
#include "teraterm.h"
#include "tttypes.h"
#include <commdlg.h>
#include <stdio.h>
#include <crtdbg.h>

#include "ttwinman.h"
#include "commlib.h"
#include "ttcommon.h"
#include "ttlib.h"
#include "win16api.h"

#include "tt_res.h"
#include "tmfc.h"
#include "prnabort.h"

#include "teraprn.h"

#ifdef _DEBUG
#if defined(_MSC_VER)
#define new             ::new(_NORMAL_BLOCK, __FILE__, __LINE__)
#endif
#endif

static PRINTDLG PrnDlg;

static HDC PrintDC;
static LOGFONTA Prnlf;
static HFONT PrnFont[AttrFontMask+1];
static int PrnFW, PrnFH;
static RECT Margin;
static COLORREF White, Black;
static int PrnX, PrnY;
static int PrnDx[256];
static TCharAttr PrnAttr;

static BOOL Printing = FALSE;
static BOOL PrintAbortFlag = FALSE;

/* pass-thru printing */
static char PrnFName[MAX_PATH];
static HANDLE HPrnFile = INVALID_HANDLE_VALUE;
static char PrnBuff[TermWidthMax];
static int PrnBuffCount = 0;

static CPrnAbortDlg *PrnAbortDlg;
static HWND HPrnAbortDlg;

/* Print Abortion Call Back Function */
static BOOL CALLBACK PrnAbortProc(HDC PDC, int Code)
{
        MSG m;

        while ((! PrintAbortFlag) && PeekMessage(&m, 0,0,0, PM_REMOVE))
                if ((HPrnAbortDlg==NULL) || (! IsDialogMessage(HPrnAbortDlg, &m))) {
                        TranslateMessage(&m);
                        DispatchMessage(&m);
                }

        if (PrintAbortFlag) {
                HPrnAbortDlg = NULL;
                PrnAbortDlg = NULL;
                return FALSE;
        }
        else {
                return TRUE;
        }
}

HDC PrnBox(HWND HWin, PBOOL Sel)
{
        /* initialize PrnDlg record */
        memset(&PrnDlg, 0, sizeof(PRINTDLG));
        PrnDlg.lStructSize = sizeof(PRINTDLG);
        PrnDlg.hwndOwner = HWin;
        PrnDlg.Flags = PD_RETURNDC | PD_NOPAGENUMS | PD_SHOWHELP;
        if (! *Sel) {
                PrnDlg.Flags = PrnDlg.Flags | PD_NOSELECTION;   /* when there is nothing select, gray out the "Selection" radio button */
        } else {
                PrnDlg.Flags = PrnDlg.Flags | PD_SELECTION;     /* when there is something select, select the "Selection" radio button by default */
        }
        PrnDlg.nCopies = 1;

        /* 'Print' dialog box */
        if (! PrintDlg(&PrnDlg)) {
                return NULL; /* if 'Cancel' button clicked, exit */
        }
        if (PrnDlg.hDC == NULL) {
                return NULL;
        }
        PrintDC = PrnDlg.hDC;
        *Sel = (PrnDlg.Flags & PD_SELECTION) != 0;
        return PrintDC;
}

BOOL PrnStart(LPSTR DocumentName)
{
        DOCINFOA Doc;
        char DocName[50];
        HWND hParent;

        Printing = FALSE;
        PrintAbortFlag = FALSE;

        PrnAbortDlg = new CPrnAbortDlg();
        if (PrnAbortDlg==NULL) {
                return FALSE;
        }
        if (ActiveWin==IdVT) {
                hParent = HVTWin;
        }
        else {
                hParent = HTEKWin;
        }
        PrnAbortDlg->Create(hInst,hParent,&PrintAbortFlag,&ts);
        HPrnAbortDlg = PrnAbortDlg->GetSafeHwnd();

        SetAbortProc(PrintDC,PrnAbortProc);

        Doc.cbSize = sizeof(Doc);
        strncpy_s(DocName,sizeof(DocName),DocumentName,_TRUNCATE);
        Doc.lpszDocName = DocName;
        Doc.lpszOutput = NULL;
        Doc.lpszDatatype = NULL;
        Doc.fwType = 0;
        if (StartDocA(PrintDC, &Doc) > 0) {
                Printing = TRUE;
        }
        else {
                if (PrnAbortDlg != NULL) {
                        PrnAbortDlg->DestroyWindow();
                        PrnAbortDlg = NULL;
                        HPrnAbortDlg = NULL;
                }
        }
        return Printing;
}

void PrnStop()
{
        if (Printing) {
                EndDoc(PrintDC);
                DeleteDC(PrintDC);
                Printing = FALSE;
        }
        if (PrnAbortDlg != NULL) {
                PrnAbortDlg->DestroyWindow();
                PrnAbortDlg = NULL;
                HPrnAbortDlg = NULL;
        }
}

int VTPrintInit(int PrnFlag)
// Initialize printing of VT window
//   PrnFlag: specifies object to be printed
//      = IdPrnScreen           Current screen
//      = IdPrnSelectedText     Selected text
//      = IdPrnScrollRegion     Scroll region
//      = IdPrnFile             Spooled file (printer sequence)
//   Return: print object ID specified by user
//      = IdPrnCancel           (user clicks "Cancel" button)
//      = IdPrnScreen           (user don't select "print selection" option)
//      = IdPrnSelectedText     (user selects "print selection")
//      = IdPrnScrollRegion     (always when PrnFlag=IdPrnScrollRegion)
//      = IdPrnFile             (always when PrnFlag=IdPrnFile)
{
        BOOL Sel;
        TEXTMETRIC Metrics;
        POINT PPI, PPI2;
        HDC DC;
        int i;
        TCharAttr TempAttr = {
                AttrDefault,
                AttrDefault,
                AttrDefaultFG,
                AttrDefaultBG
        };

        Sel = (PrnFlag & IdPrnSelectedText)!=0;
        if (PrnBox(HVTWin,&Sel)==NULL) {
                return (IdPrnCancel);
        }

        if (PrintDC==0) {
                return (IdPrnCancel);
        }

        /* start printing */
        if (! PrnStart(ts.Title)) {
                return (IdPrnCancel);
        }

        /* initialization */
        StartPage(PrintDC);

        /* pixels per inch */
        if ((ts.VTPPI.x>0) && (ts.VTPPI.y>0)) {
                PPI = ts.VTPPI;
        }
        else {
                PPI.x = GetDeviceCaps(PrintDC,LOGPIXELSX);
                PPI.y = GetDeviceCaps(PrintDC,LOGPIXELSY);
        }

        /* left margin */
        Margin.left = (int)((float)ts.PrnMargin[0] / 100.0 * (float)PPI.x);
        /* right margin */
        Margin.right = GetDeviceCaps(PrintDC,HORZRES) -
                       (int)((float)ts.PrnMargin[1] / 100.0 * (float)PPI.x);
        /* top margin */
        Margin.top = (int)((float)ts.PrnMargin[2] / 100.0 * (float)PPI.y);
        /* bottom margin */
        Margin.bottom =  GetDeviceCaps(PrintDC,VERTRES) -
                         (int)((float)ts.PrnMargin[3] / 100.0 * (float)PPI.y);

        /* create test font */
        memset(&Prnlf, 0, sizeof(Prnlf));

        if (ts.PrnFont[0]==0) {
                Prnlf.lfHeight = ts.VTFontSize.y;
                Prnlf.lfWidth = ts.VTFontSize.x;
                Prnlf.lfCharSet = ts.VTFontCharSet;
                strncpy_s(Prnlf.lfFaceName, sizeof(Prnlf.lfFaceName), ts.VTFont, _TRUNCATE);
        }
        else {
                Prnlf.lfHeight = ts.PrnFontSize.y;
                Prnlf.lfWidth = ts.PrnFontSize.x;
                Prnlf.lfCharSet = ts.PrnFontCharSet;
                strncpy_s(Prnlf.lfFaceName, sizeof(Prnlf.lfFaceName), ts.PrnFont, _TRUNCATE);
        }
        Prnlf.lfWeight = FW_NORMAL;
        Prnlf.lfItalic = 0;
        Prnlf.lfUnderline = 0;
        Prnlf.lfStrikeOut = 0;
        Prnlf.lfOutPrecision = OUT_CHARACTER_PRECIS;
        Prnlf.lfClipPrecision = CLIP_CHARACTER_PRECIS;
        Prnlf.lfQuality = DEFAULT_QUALITY;
        Prnlf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;

        PrnFont[0] = CreateFontIndirectA(&Prnlf);

        DC = GetDC(HVTWin);
        SelectObject(DC, PrnFont[0]);
        GetTextMetrics(DC, &Metrics);
        PPI2.x = GetDeviceCaps(DC,LOGPIXELSX);
        PPI2.y = GetDeviceCaps(DC,LOGPIXELSY);
        ReleaseDC(HVTWin,DC);
        DeleteObject(PrnFont[0]); /* Delete test font */

        /* Adjust font size */
        Prnlf.lfHeight = (int)((float)Metrics.tmHeight * (float)PPI.y / (float)PPI2.y);
        Prnlf.lfWidth = (int)((float)Metrics.tmAveCharWidth * (float)PPI.x / (float)PPI2.x);

        /* Create New Fonts */

        /* Normal Font */
        Prnlf.lfWeight = FW_NORMAL;
        Prnlf.lfUnderline = 0;
        PrnFont[0] = CreateFontIndirectA(&Prnlf);
        SelectObject(PrintDC,PrnFont[0]);
        GetTextMetrics(PrintDC, &Metrics);
        PrnFW = Metrics.tmAveCharWidth;
        PrnFH = Metrics.tmHeight;
        /* Under line */
        Prnlf.lfUnderline = 1;
        PrnFont[AttrUnder] = CreateFontIndirectA(&Prnlf);

        if (ts.FontFlag & FF_BOLD) {
                /* Bold */
                Prnlf.lfUnderline = 0;
                Prnlf.lfWeight = FW_BOLD;
                PrnFont[AttrBold] = CreateFontIndirectA(&Prnlf);
                /* Bold + Underline */
                Prnlf.lfUnderline = 1;
                PrnFont[AttrBold | AttrUnder] = CreateFontIndirectA(&Prnlf);
        }
        else {
                PrnFont[AttrBold] = PrnFont[AttrDefault];
                PrnFont[AttrBold | AttrUnder] = PrnFont[AttrUnder];
        }
        /* Special font */
        Prnlf.lfWeight = FW_NORMAL;
        Prnlf.lfUnderline = 0;
        Prnlf.lfWidth = PrnFW; /* adjust width */
        Prnlf.lfHeight = PrnFH;
        Prnlf.lfCharSet = SYMBOL_CHARSET;

        strncpy_s(Prnlf.lfFaceName, sizeof(Prnlf.lfFaceName),"Tera Special", _TRUNCATE);
        PrnFont[AttrSpecial] = CreateFontIndirectA(&Prnlf);
        PrnFont[AttrSpecial | AttrBold] = PrnFont[AttrSpecial];
        PrnFont[AttrSpecial | AttrUnder] = PrnFont[AttrSpecial];
        PrnFont[AttrSpecial | AttrBold | AttrUnder] = PrnFont[AttrSpecial];

        Black = RGB(0,0,0);
        White = RGB(255,255,255);
        for (i = 0 ; i <= 255 ; i++) {
                PrnDx[i] = PrnFW;
        }
        PrnSetAttr(TempAttr);

        PrnY = Margin.top;
        PrnX = Margin.left;

        if (PrnFlag == IdPrnScrollRegion) {
                return (IdPrnScrollRegion);
        }
        if (PrnFlag == IdPrnFile) {
                return (IdPrnFile);
        }
        if (Sel) {
                return (IdPrnSelectedText);
        }
        else {
                return (IdPrnScreen);
        }
}

void PrnSetAttr(TCharAttr Attr)
//  Set text attribute of printing
//
{
        PrnAttr = Attr;
        SelectObject(PrintDC, PrnFont[Attr.Attr & AttrFontMask]);

        if ((Attr.Attr & AttrReverse) != 0) {
                SetTextColor(PrintDC,White);
                SetBkColor(  PrintDC,Black);
        }
        else {
                SetTextColor(PrintDC,Black);
                SetBkColor(  PrintDC,White);
        }
}

void PrnOutText(PCHAR Buff, int Count)
//  Print out text
//    Buff: points text buffer
//    Count: number of characters to be printed
{
        int i;
        RECT RText;
        PCHAR Ptr, Ptr1, Ptr2;
        char Buff2[256];

        if (Count<=0) {
                return;
        }
        if (Count>(sizeof(Buff2)-1)) {
                Count=sizeof(Buff2)-1;
        }
        memcpy(Buff2,Buff,Count);
        Buff2[Count] = 0;
        Ptr = Buff2;

        if (ts.Language==IdRussian) {
                if (ts.PrnFont[0]==0) {
                        RussConvStr(ts.RussClient,ts.RussFont,Buff2,Count);
                }
                else {
                        RussConvStr(ts.RussClient,ts.RussPrint,Buff2,Count);
                }
        }

        do {
                if (PrnX+PrnFW > Margin.right) {
                        /* new line */
                        PrnX = Margin.left;
                        PrnY = PrnY + PrnFH;
                }
                if (PrnY+PrnFH > Margin.bottom) {
                        /* next page */
                        EndPage(PrintDC);
                        StartPage(PrintDC);
                        PrnSetAttr(PrnAttr);
                        PrnY = Margin.top;
                }

                i = (Margin.right-PrnX) / PrnFW;
                if (i==0) {
                        i=1;
                }
                if (i>Count) {
                        i=Count;
                }

                if (i<Count) {
                        Ptr2 = Ptr;
                        do {
                                Ptr1 = Ptr2;
                                Ptr2 = CharNextA(Ptr1);
                        } while ((Ptr2!=NULL) && ((Ptr2-Ptr)<=i));
                        i = Ptr1-Ptr;
                        if (i<=0) {
                                i=1;
                        }
                }

                RText.left = PrnX;
                RText.right = PrnX + i*PrnFW;
                RText.top = PrnY;
                RText.bottom = PrnY+PrnFH;
                ExtTextOutA(PrintDC,PrnX,PrnY,6,&RText,Ptr,i,&PrnDx[0]);
                PrnX = RText.right;
                Count=Count-i;
                Ptr = Ptr + i;
        } while (Count>0);

}

void PrnNewLine()
//  Moves to the next line in printing
{
        PrnX = Margin.left;
        PrnY = PrnY + PrnFH;
}

void VTPrintEnd()
{
        int i, j;

        EndPage(PrintDC);

        for (i = 0 ; i <= AttrFontMask ; i++) {
                for (j = i+1 ; j <= AttrFontMask ; j++) {
                        if (PrnFont[j]==PrnFont[i]) {
                                PrnFont[j] = NULL;
                        }
                }
                if (PrnFont[i] != NULL) {
                        DeleteObject(PrnFont[i]);
                }
        }

        PrnStop();
        return;
}

/* printer emulation routines */
void OpenPrnFile()
{
        char Temp[MAX_PATH];

        KillTimer(HVTWin,IdPrnStartTimer);
        if (HPrnFile != INVALID_HANDLE_VALUE) {
                return;
        }
        if (PrnFName[0] == 0) {
                GetTempPathA(sizeof(Temp),Temp);
                if (GetTempFileNameA(Temp,"tmp",0,PrnFName)==0) {
                        return;
                }
                HPrnFile = _lcreat(PrnFName,0);
        }
        else {
                HPrnFile = _lopen(PrnFName,OF_WRITE);
                if (HPrnFile == INVALID_HANDLE_VALUE) {
                        HPrnFile = _lcreat(PrnFName,0);
                }
        }
        if (HPrnFile != INVALID_HANDLE_VALUE) {
                _llseek(HPrnFile,0,2);
        }
}

void PrintFile()
{
        char Buff[256];
        BOOL CRFlag = FALSE;
        int c, i;
        BYTE b;

        if (VTPrintInit(IdPrnFile)==IdPrnFile) {
                HPrnFile = _lopen(PrnFName,OF_READ);
                if (HPrnFile != INVALID_HANDLE_VALUE) {
                        do {
                                i = 0;
                                do {
                                        c = _lread(HPrnFile,&b,1);
                                        if (c==1) {
                                                switch (b) {
                                                        case HT:
                                                                memset(&(Buff[i]),0x20,8);
                                                                i = i + 8;
                                                                CRFlag = FALSE;
                                                                break;
                                                        case LF:
                                                                CRFlag = ! CRFlag;
                                                                break;
                                                        case FF:
                                                        case CR:
                                                                CRFlag = TRUE;
                                                                break;
                                                        default:
                                                                if (b >= 0x20) {
                                                                        Buff[i] = b;
                                                                        i++;
                                                                }
                                                                CRFlag = FALSE;
                                                                break;
                                                }
                                        }
                                        if (i>=(sizeof(Buff)-7)) {
                                                CRFlag=TRUE;
                                        }
                                } while ((c>0) && (! CRFlag));
                                if (i>0) {
                                        PrnOutText(Buff, i);
                                }
                                if (CRFlag) {
                                        PrnX = Margin.left;
                                        if ((b==FF) && (ts.PrnConvFF==0)) { // new page
                                                PrnY = Margin.bottom;
                                        }
                                        else { // new line
                                                PrnY = PrnY + PrnFH;
                                        }
                                }
                                CRFlag = (b==CR);
                        } while (c>0);
                        _lclose(HPrnFile);
                }
                HPrnFile = 0;
                VTPrintEnd();
        }
        remove(PrnFName);
        PrnFName[0] = 0;
}

void PrintFileDirect()
{
        HWND hParent;

        PrnAbortDlg = new CPrnAbortDlg();
        if (PrnAbortDlg==NULL) {
                remove(PrnFName);
                PrnFName[0] = 0;
                return;
        }
        if (ActiveWin==IdVT) {
                hParent = HVTWin;
        }
        else {
                hParent = HTEKWin;
        }
        PrnAbortDlg->Create(hInst,hParent,&PrintAbortFlag,&ts);
        HPrnAbortDlg = PrnAbortDlg->GetSafeHwnd();

        HPrnFile = _lopen(PrnFName,OF_READ);
        PrintAbortFlag = (HPrnFile == INVALID_HANDLE_VALUE) || ! PrnOpen(ts.PrnDev);
        PrnBuffCount = 0;
        SetTimer(HVTWin,IdPrnProcTimer,0,NULL);
}

void PrnFileDirectProc()
{
        int c;

        if (HPrnFile==INVALID_HANDLE_VALUE) {
                return;
        }
        if (PrintAbortFlag) {
                HPrnAbortDlg = NULL;
                PrnAbortDlg = NULL;
                PrnCancel();
        }
        if (!PrintAbortFlag && (HPrnFile != INVALID_HANDLE_VALUE)) {
                do {
                        if (PrnBuffCount==0) {
                                PrnBuffCount = _lread(HPrnFile,PrnBuff,1);
                                if (ts.Language==IdRussian) {
                                        RussConvStr(ts.RussClient,ts.RussPrint,PrnBuff,PrnBuffCount);
                                }
                        }

                        if (PrnBuffCount==1) {
                                c = PrnWrite(PrnBuff,1);
                                if (c==0) {
                                        SetTimer(HVTWin,IdPrnProcTimer,10,NULL);
                                        return;
                                }
                                PrnBuffCount = 0;
                        }
                        else {
                                c = 0;
                        }
                } while (c>0);
        }
        if (HPrnFile != INVALID_HANDLE_VALUE) {
                _lclose(HPrnFile);
        }
        HPrnFile = INVALID_HANDLE_VALUE;
        PrnClose();
        remove(PrnFName);
        PrnFName[0] = 0;
        if (PrnAbortDlg!=NULL) {
                PrnAbortDlg->DestroyWindow();
                PrnAbortDlg = NULL;
                HPrnAbortDlg = NULL;
        }
}

void PrnFileStart()
{
        if (HPrnFile != INVALID_HANDLE_VALUE) {
                return;
        }
        if (PrnFName[0]==0) {
                return;
        }
        if (ts.PrnDev[0]!=0) {
                PrintFileDirect(); // send file directry to printer port
        }
        else { // print file by using Windows API
                PrintFile();
        }
}

void ClosePrnFile()
{
        PrnBuffCount = 0;
        if (HPrnFile != INVALID_HANDLE_VALUE) {
                _lclose(HPrnFile);
        }
        HPrnFile = INVALID_HANDLE_VALUE;
        SetTimer(HVTWin,IdPrnStartTimer,ts.PassThruDelay*1000,NULL);
}

void WriteToPrnFile(BYTE b, BOOL Write)
//  (b,Write) =
//    (0,FALSE): clear buffer
//    (0,TRUE):  write buffer to file
//    (b,FALSE): put b in buff
//    (b,TRUE):  put b in buff and
//               write buffer to file
{
        if ((b>0) && (PrnBuffCount<sizeof(PrnBuff))) {
                PrnBuff[PrnBuffCount++] = b;
        }

        if (Write) {
                _lwrite(HPrnFile,PrnBuff,PrnBuffCount);
                PrnBuffCount = 0;
        }
        if ((b==0) && ! Write) {
                PrnBuffCount = 0;
        }
}