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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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fontchar.c
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C/C++ Source or Header
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1996-01-07
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44KB
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1,558 lines
#include "windows.h"
#include <windowsx.h>
#include "fontedit.h"
#include "fcntl.h"
#include <stdio.h>
/****************************************************************************/
/* Shared Variables */
/****************************************************************************/
POINT SnapPointToGrid(POINT Pt);
LONG APIENTRY FontEditWndProc(HWND, WORD, WPARAM, LONG);
BOOL APIENTRY AboutDlg(
HWND hDlg,
WORD message,
WPARAM wParam,
LPARAM lParam
);
BOOL NewFile; /* flag indicating that NEW menu
item was selected */
extern DLGPROC lpHeaderProc; /* Pointer to Dialog Box Procedure */
extern DLGPROC lpReSizeProc; /* Pointer to Dialog Box Procedure */
extern DLGPROC lpWidthProc; /* Pointer to Dialog Box Procedure */
extern FontHeaderType font; /* Structure of Font File Header */
extern CHAR matBox [wBoxLim] [kBoxLim]; /* array to hold Box */
extern HCURSOR hCross; /* handle to "+" shaped cursor(displayed
when in ROW or COLUMN menus */
extern BOOL fReadOnly;
extern HANDLE hInst; /* Module Handle */
extern HBRUSH hbrBackGround;
extern HWND hFont;
extern HWND hBox;
extern RECT rectWin; /* Client Rectangle */
extern BOOL fLoaded; /* Set if a file loaded */
extern BOOL fChanged; /* Anything has changed */
extern BOOL fEdited; /* This character changed */
extern DWORD kBox; /* height of character */
extern DWORD wBox; /* Width of character */
extern DWORD kStuff; /* Width of Show Header */
extern INT swH; /* Position in Show Window 0-100 */
extern BYTE iChar; /* Character being edited */
extern BYTE jChar; /* Last Char. of edit block */
extern CHAR szNewFile[]; /* Name of New File */
extern CHAR szFontFile[]; /* Name of Font File */
extern CHAR szFontFileFull[]; /* Name of Font File */
extern CHAR szFileNameTemp[];
extern CHAR *szFileNameSave;
extern INT cSysHeight;
extern CHAR *vrgsz[]; /* total number of strings */
extern OFSTRUCT ofstrFile;
extern CHAR szExt[]; /* default extension */
extern CHAR szAppName[];
extern CHAR szSCC[];
extern HCURSOR hOldCursor; /* handle to old arrow shaped cursor */
/****************************************************************************/
/* Local Variables */
/****************************************************************************/
HBRUSH hbrWhite;
HBRUSH hbrBlack;
HBRUSH hbrGray;
HBRUSH hbrDkGray;
HBRUSH hNullBrush;
HPEN hWhitePen;
DWORD colors[3] = {WHITENESS, BLACKNESS, PATCOPY};
CHAR matBackup [wBoxLim] [kBoxLim]; /* Backup for UNDO */
DWORD wBoxBackup;
LONG scale = 7; /* height/width of squares in box */
WORD cursor = 0; /* Add/Del cursor */
BOOL fAll = TRUE; /* Redraw all if TRUE */
POINT ptBox = {10, 5}; /* where edit box is */
RECT rectRubber; /* Rubber banding rectangle */
HDC hDst; /* Rubber banding dc */
POINT ptA; /* Start of draw/rectangle */
POINT ptB; /* End of rectangle */
POINT ptC; /* Current square */
CHAR colorA; /* Color at/under point A */
DWORD newWidth; /* Width set in WIDER option */
BOOL FillingRect = FALSE;
BOOL fRubberBanding = FALSE; /* flag indicating if rubberbanding in
progress for row/column add/delete */
BOOL fStartRubberBand = FALSE; /* flag indicating that rubberbanding
can start */
BOOL fCaptured = FALSE; /* set if mouse is caputred */
BOOL fJustZapped = FALSE; /* Set on row/col add/delete */
RECT FontRect; /* rectangle bounding font pattern */
/****************************************************************************/
/* Local Functions */
/****************************************************************************/
VOID ClearFill(DWORD col, DWORD row, WORD mode);
VOID FontEditCommand(HWND hBox, WORD id);
VOID BoxRestore(VOID);
VOID CharRectDimensions(LPRECT Rect);
VOID BoxPaint(VOID);
VOID DrawBox(HDC, DWORD, DWORD, DWORD, DWORD, INT, DWORD);
VOID PASCAL DrawRubberBand(HDC hDst, LPRECT lpRect, DWORD rop);
VOID FontEditPaint(HWND hBox, HDC hDC);
BOOL CheckSave(VOID);
VOID DupCol(DWORD col, DWORD row);
VOID DupRow(DWORD col, DWORD row);
VOID ZapCol(DWORD col, DWORD row);
VOID ZapRow(DWORD col, DWORD row);
VOID AddDel(DWORD col, DWORD row, WORD mode);
VOID MouseInBox(HWND hBox, WORD message, POINT ptMouse);
VOID BoxBackup(VOID);
VOID ReadRect(VOID);
/*****************************************************************************/
VOID
BoxPaint(
VOID
) /* Our call to FontEditPaint */
{
HDC hDC;
hDC = GetDC(hBox);
FontEditPaint(hBox, hDC);
ReleaseDC(hBox, hDC);
if (fRubberBanding)
DrawRubberBand(hDst, &rectRubber, R2_XORPEN);
}
/******************************************************************************
* FontEditPaint(hBox, hDC)
*
* purpose: calculates coordinates for text in main window and repaints edit
* box,small character boxes and text
*
* params: HWND hBox : handle to main window
* HDC hDC I handle to display context
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
FontEditPaint(
HWND hBox,
HDC hDC
)
{
CHAR szTemp[20];
DWORD len, yText, xText;
if (!fLoaded) /* Must load font first */
return;
/* Here the application paints its window. */
if (fAll) { /* Draw box setting */
GetClientRect(hBox, (LPRECT)&rectWin);
scale = (rectWin.bottom-rectWin.top-kStuff-20) / (kBox+1);
scale = min(scale, (min(320, rectWin.right - rectWin.left) -
90) / ((int)wBox + 1));
scale = max(scale, 4);
xText = ptBox.x + scale * wBox + 16;
SelectObject(hDC, hbrDkGray);
Rectangle(hDC,
ptBox.x - 2,
ptBox.y - 2,
ptBox.x + 3 + wBox * scale,
ptBox.y + 5 + kBox * scale);
SelectObject(hDC, hbrGray);
Rectangle(hDC, /* Surround for font displays */
xText,
ptBox.y - 2,
xText + wBox + 8,
ptBox.y + 3 + kBox * 2 + font.ExtLeading);
/* Now put up the text */
yText = 14 + 2 * kBox + font.ExtLeading;
len = (DWORD) sprintf(szTemp, vszCHAR, iChar);
TextOut(hDC, xText, yText, (LPSTR)szTemp, len);
len = (DWORD) sprintf(szTemp, vszWIDTH, wBox);
TextOut(hDC, xText, yText + cSysHeight, (LPSTR)szTemp, len);
len = (DWORD) sprintf(szTemp, vszHEIGHT, kBox);
TextOut(hDC, xText, yText + cSysHeight + cSysHeight,
(LPSTR)szTemp, len);
}
/* Draw Character Box */
DrawBox(hDC, ptBox.x, ptBox.y, wBox, kBox, scale, 1);
/* Draw small character */
xText = ptBox.x + scale * wBox + 16;
DrawBox(hDC,
xText + 4,
ptBox.y,
wBox,
kBox,
1, 0);
/* Draw another small character to show leading */
DrawBox(hDC,
xText + 4,
ptBox.y + kBox + font.ExtLeading,
wBox,
kBox,
1, 0);
fAll = TRUE;
}
/******************************************************************************
* DrawBox(hDC, xChar, yChar, wChar, kChar, scale, htSep)
*
* purpose: draws the edit box for the character being edited and colors the
* grid squares according to the pixels set for the character.
*
* params: HDC hDC : handle to display context
* DWORD xChar : x-location of char box.
* DWORD yChar : y-location of char box
* DWORD wChar : width of char box
* DWORD kChar : height of char
* INT wScale : Scale of the squares.
* DWORD htSep : height of square separators
*
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
DrawBox(
HDC hDC,
DWORD xChar, /* x-location of char. */
DWORD yChar, /* y-location of char. */
DWORD wChar, /* width of char. */
DWORD kChar, /* height of char */
INT wScale, /* scale of the squares. */
DWORD htSep /* hgt of square separators */
)
/* draw a character of separate squares of height 'scale' with sep. 'htSep' */
{
DWORD i, j, sep;
if (fAll) { /* redraw them all */
for (j = 0; j < kChar; j++) {
sep = (j >= font.Ascent) ? htSep : 0;
for (i = 0; i < wChar; i++) {
if (wScale == 1)
SetPixel(hDC, xChar + i, yChar + j,
matBox[i][j] == TRUE ? BLACK : WHITE);
else
PatBlt(hDC,
xChar + wScale * i,
yChar + wScale * j + sep,
wScale - htSep,
wScale - htSep,
colors[matBox[i][j] == TRUE ? 1 : 0]);
}
}
}
else { /* redraw one just flipped */
if (wScale == 1)
SetPixel(hDC,
xChar + ptC.x,
yChar + ptC.y,
matBox[ptC.x][ptC.y] == TRUE ? BLACK : WHITE);
else {
sep = (((DWORD) ptC.y >= font.Ascent) ? htSep : 0L);
SelectObject(hDC, hbrGray);
PatBlt(hDC,
xChar + wScale * ptC.x,
yChar + wScale * ptC.y + sep,
wScale - htSep,
wScale - htSep,
colors[matBox[ptC.x][ptC.y]]);
}
}
}
/******************************************************************************
* FontEditCommand(hBox, id)
*
* purpose: interprets menu id and calls appropriate function to do the task
*
* params: HWND hBox : handle to main window
* WORD id : menu command id
* returns: none
*
* side effects: plenty
*
*****************************************************************************/
VOID
FontEditCommand(
HWND hBox,
WORD id
)
{
CHAR * szError; /* String for error messages */
LONG w;
DWORD y, i, j;
BOOL fRepaint = FALSE;
HMENU hMenu;
DLGPROC lpprocAboutDlg;
MSG message;
szError = ""; /* No Errors yet */
switch (id) {
case FONT_EXIT:
if (!CheckSave()) /* See if any files need saving */
break;
/* Window's being destroyed. */
if (fLoaded) /* 4/8/87 Linsh added */
DeleteGlobalBitmap(); /* Get rid of memory DC */
PostQuitMessage(0); /* Cause application to be terminated */
break;
case FONT_ABOUT:
lpprocAboutDlg = (DLGPROC)AboutDlg;
DialogBox (hInst, vszABOUT, hBox, lpprocAboutDlg);
FreeProcInstance (lpprocAboutDlg);
break;
case FONT_LOAD: /* Check File Name */
case FONT_NEW :
if (!CheckSave()) /* See if current font needs saving */
return;
/* to prevent scrambling of Show window chars, Bring back Show
** window to parent window's client area before invoking the dialog */
if (CommDlgOpen(hBox,&ofstrFile,szNewFile,szExt,szFontFile,id)
== FALSE) {
InvalidateRect(hFont, (LPRECT)NULL, FALSE);
UpdateWindow(hFont);
return;
}
/* else drop thru */
case FONT_START: /* Here if file name passed as argument */
InvalidateRect(hFont, (LPRECT)NULL, FALSE);
UpdateWindow(hFont);
szError = FontLoad (szNewFile, &ofstrFile);
/* Hack : needed to remove umwanted WM_MOUSEMOVE messages from the
* queue.
* Apparently, Windows needs to reposition the mouse after a dialog
* is ended with a mouse double-click (releases mouse capture?) for
* which a couple of WM_MOUSEMOVEs may get sent to parent app.
* These mess with the edit box below the dialog if they happen to
* overlap.
*/
PeekMessage((LPMSG) &message, hBox, WM_MOUSEMOVE, WM_MOUSEMOVE,
PM_REMOVE);
if (fLoaded) /* If loaded then do a few things */ {
jChar = iChar = 65; /* Show an A */
if ((BYTE)iChar > (BYTE)font.LastChar)
jChar = iChar = font.FirstChar; /* .. if we can */
swH = 15; /* Good bet to make A visible */
fEdited = fChanged = FALSE;
ResizeShow(); /* Set Box to proper size */
ScrollFont(); /* Set thumb */
CharToBox(iChar);
}
FontRename(szError);
SetFocus(hBox);
return;
case FONT_SAVE:
if (!NewFile) {
if (fLoaded && fChanged) {
lstrcpy((LPSTR)szNewFile, (LPSTR)szFontFileFull);
BoxToChar(iChar); /* Just in case */
szError = FontSave (szNewFile, &ofstrFile);
FontRename(szError); /* Rename or Print Error */
return;
}
else
return;
}
/* else file has been opened by selecting NEW... on menu.
* Fall thro' and bring up SaveAs dialog minus default
* filename in edit window */
case FONT_SAVEAS:
BoxToChar(iChar); /* Just in case */
if (CommDlgSaveAs (hInst, hBox, &ofstrFile, szNewFile, szExt,
szFontFile) == TRUE) {
szError = FontSave (szNewFile, &ofstrFile);
FontRename (szError); /* Rename or Print Error */
}
/* to prevent scrambling of Show window chars,
repaint show window after dialog is brought down */
InvalidateRect (hFont, (LPRECT)NULL, TRUE);
UpdateWindow (hFont);
return;
case FONT_HEADER:
/* to prevent scrambling of Show window chars,
* repaint show window after dialog is invoked */
DialogBox(hInst, (LPSTR)vszDHeader, hBox, lpHeaderProc);
InvalidateRect(hFont, (LPRECT)NULL, TRUE);
UpdateWindow(hFont);
return;
case FONT_RESIZE:
/* to prevent scrambling of Show window chars,
repaint show window after dialog is brought down */
if (DialogBox(hInst, (LPSTR)vszDResize, hBox, lpReSizeProc)) {
/* BoxToChar(iChar);*/ /* save current before resizing */
ResizeShow(); /* New Font Display Size */
CharToBox(iChar); /* New Box display */
}
InvalidateRect(hFont, (LPRECT)NULL, TRUE);
UpdateWindow(hFont);
return;
case FONT_COPY: /* Copy to Clipboard */
BoxToChar(iChar); /* Just in case */
ToClipboard(iChar, wBox, kBox);
break;
case FONT_PASTE: /* Paste in Character form Clipboard */
BoxBackup(); /* In case we change our minds */
ptA.x = ptA.y = 0;
wBox = ClipboardToBox(ptA, wBox, kBox, TRUE);
fRepaint = TRUE;
break;
case WIDER_LEFT:
case WIDER_RIGHT:
case WIDER_BOTH:
case NARROWER_LEFT:
case NARROWER_RIGHT:
case NARROWER_BOTH:
case WIDTH:
w = newWidth = wBox;
if (font.Family & 1) /* Variable width or else */ {
switch (id) {
case WIDER_BOTH:
w++;
case WIDER_LEFT:
case WIDER_RIGHT:
w++;
break;
case NARROWER_BOTH:
w--;
case NARROWER_LEFT:
case NARROWER_RIGHT:
w--;
break;
case WIDTH:
if (DialogBox(hInst,
(LPSTR)vszDWidth, hBox, lpWidthProc))
w = newWidth;
break;
}
if (w < 0 || w >= wBoxLim) {
MessageBox(hBox,
(LPSTR)vszEdLimits0To64,
(LPSTR)szAppName,
MB_OK | MB_ICONASTERISK);
break; /* Out of range! quit */
}
if (w > (LONG) font.MaxWidth) {
if (IDOK == MessageBox(hBox,
(LPSTR)vszMaxWidthIncrease,
(LPSTR)szAppName,
MB_OKCANCEL | MB_ICONQUESTION))
font.MaxWidth = (WORD)w;
else
break;
}
BoxBackup(); /* In case we change our minds */
wBox = (WORD)w; /* Reset width */
fRepaint = TRUE; /* Signal redraw */
switch (id) {
case WIDER_LEFT:
DupCol(0, kBoxLim - 1);
for (y = 0; y < kBoxLim; y++)
matBox[0][y] = FALSE; /* Clear left column */
break;
case WIDER_BOTH: /* Shift character one right */
DupCol(0, kBoxLim - 1);
for (y = 0; y < kBoxLim; y++)
matBox[wBox -1][y] = FALSE; /* Clear right column */
for (y = 0; y < kBoxLim; y++)
matBox[0][y] = FALSE; /* Clear left column */
break;
case NARROWER_LEFT:
case NARROWER_BOTH: /* Shift character one left */
if (wBox) { /* .. unless width is already 0 */
for (j = 0; j <= kBox - 1; j++)
for (i = 0; i <= wBox - 1; i++)
matBox[i][j] = matBox[i + 1][j];
break;
}
}
}
else {
MessageBox(hBox,
(LPSTR)vszCannotChangeWidth,
(LPSTR)szAppName,
MB_OK | MB_ICONASTERISK);
}
break;
case ROW_ADD:
case ROW_DEL:
case COL_ADD:
case COL_DEL:
/* set cursor to "+" shaped cursor */
SetCapture (hBox); /* so that cursor doesn't get restored
before we are done */
hOldCursor = SetCursor (LoadCursor (NULL, IDC_CROSS));
fCaptured = TRUE;
cursor = id;
break;
case BOX_CLEAR:
case BOX_FILL:
case BOX_INV:
case BOX_HATCH:
case BOX_LEFTRIGHT:
case BOX_TOPBOTTOM:
case BOX_COPY:
case BOX_PASTE:
/* Get one o' da funky cursors */
SetCapture(hBox);
hOldCursor = SetCursor(LoadCursor(hInst, MAKEINTRESOURCE(id)));
fStartRubberBand = TRUE;
CharRectDimensions((LPRECT)&FontRect);
cursor = id;
break;
case BOX_REFRESH: /* Go get old version of character */
BoxBackup(); /* In case we change our minds */
CharToBox(iChar);
hMenu = GetMenu(hBox);
EnableMenuItem(hMenu, BOX_UNDO, MF_ENABLED); /* Can Unrefresh! */
break;
case BOX_UNDO:
BoxRestore();
hMenu = GetMenu(hBox);
EnableMenuItem(hMenu, BOX_REFRESH, MF_ENABLED);
fRepaint = TRUE;
break;
}
if (fRepaint) {
fEdited = fChanged = TRUE;
InvalidateRect(hBox, (LPRECT)NULL, TRUE);
}
}
VOID
CharRectDimensions(
LPRECT Rect
)
/* returns the dimensions of the edit box */
{
Rect->top = ptBox.y;
Rect->bottom = ptBox.y + (kBox) * (scale);
Rect->left = ptBox.x;
Rect->right = ptBox.x + (wBox) * (scale);
}
/******************************************************************************
* BOOL APIENTRY WidthProc(hDial, message, wParam, lParam)
*
* purpose: dialog function for Width menu function
*
* params: same as for all dialog fns.
*
* side effects: changes Box width variable
*
*****************************************************************************/
BOOL APIENTRY
WidthProc(
HWND hDial,
WORD message,
WPARAM wParam,
LPARAM lParam
)
{
INT i;
BOOL fOk;
UNREFERENCED_PARAMETER(lParam);
switch (message) {
default:
return FALSE;
case WM_INITDIALOG:
SetDlgItemInt(hDial, BOX_WIDTH, newWidth, FALSE);
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
fChanged = TRUE;
i = GetDlgItemInt(hDial, BOX_WIDTH, (LPBOOL)&fOk, FALSE);
if (fOk && i < wBoxLim)
newWidth = i;
else
ErrorBox(hDial, vszWidthOutOfBounds);
case IDCANCEL:
EndDialog(hDial, LOWORD(wParam) != IDCANCEL);
break;
default:
break;
}
}
return TRUE;
}
/******************************************************************************
* BOOL CheckSave()
*
* purpose: checks if font is dirty and prompts user to save font. If yes,
* edit box is saved and file save function is called.
*
* params: none
*
* returns: TRUE : font has been changed
* FALSE: font untouched
*
* side effects: file dirty flag is reset.
*
*****************************************************************************/
BOOL
CheckSave(
VOID
)
{
CHAR * szError; /* String for error messages */
CHAR szMessage[MAX_STR_LEN+MAX_FNAME_LEN];
/* Check if anything changed */
if (fLoaded && fChanged && (!fReadOnly)) {
lstrcpy((LPSTR)szNewFile, (LPSTR)szFontFileFull);
DlgMergeStrings(szSCC, szNewFile, szMessage);
switch (MessageBox(hFont,
(LPSTR)szMessage,
(LPSTR)szAppName,
MB_YESNOCANCEL | MB_ICONQUESTION)) {
case IDYES:
BoxToChar(iChar); /* Just in case */
szError = FontSave (szNewFile, &ofstrFile);
FontRename(szError); /* Rename or Print Error */
case IDNO:
return TRUE;
case IDCANCEL:
return FALSE;
}
}
return TRUE;
}
/******************************************************************************
* MouseInBox(hBox, message, ptMouse)
*
* purpose: do edit operation depending on currently active menu command
*
* params: HWND hBox : handle to main window
* WORD message : Message retrieved by main window's window fn.
* POINT ptMouse : current mouse coordinates
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box). Also assigns values to ptA and ptB
*****************************************************************************/
VOID
MouseInBox(
HWND hBox,
WORD message,
POINT ptMouse
)
{
POINT pt;
BOOL fRepaint = FALSE;
short nct = 0 ;
pt = SnapPointToGrid(ptMouse);
if (pt.x >= 0L && pt.y >= 0L &&
((DWORD)pt.x) < wBox && ((DWORD)pt.y) < kBox) {
fEdited = fChanged = TRUE;
ptC.x = pt.x;
ptC.y = pt.y; /* Current square */
if (message == WM_LBUTTONDOWN)
BoxBackup(); /* Set up for UNDO */
switch (cursor) {
case BOX_COPY:
case BOX_PASTE:
case BOX_CLEAR:
case BOX_FILL:
case BOX_INV:
case BOX_HATCH:
case BOX_LEFTRIGHT:
case BOX_TOPBOTTOM:
ptA.x = pt.x;
ptA.y = pt.y; /* save anchor point */
/* save color under marker */
colorA = matBox[pt.x][pt.y];
fAll = FALSE;
fRepaint = TRUE;
break;
default:
AddDel(pt.x, pt.y, cursor);
fRepaint = TRUE;
cursor = FALSE;
break;
case FALSE:
switch (message) {
case WM_LBUTTONDOWN: /*invert */
nct =1 ;
colorA = (matBox[pt.x][pt.y] ^= TRUE);
break;
case WM_LBUTTONUP:
break;
case WM_MOUSEMOVE:
matBox[pt.x][pt.y] = colorA; /* paint */
break;
}
/*
if( nct != 0 )
{
*/
fRepaint = TRUE;
fAll = FALSE; /* Limited redraw */
/*
}
*/
break;
}
if (fRepaint) {
BoxPaint();
return;
}
}
cursor = FALSE;
}
/******************************************************************************
* ReadRect(ptMouse)
*
* purpose: defines the rectangular region in edit box to be filled by
* fill menu command by fixing top left (ptA) and bottom right
* (ptB) coordinates of rect.
*
* params:
*
* assumes: that rectRubber is normalized (eg, left < right, botton > top)
*
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box). Also assigns values to ptA and ptB
*****************************************************************************/
VOID
ReadRect(
)
{
ptA.x = (rectRubber.left-(ptBox.x+1)) / scale;
ptA.y = (rectRubber.top-(ptBox.y+1)) / scale;
ptB.x = (rectRubber.right-(ptBox.x-2)) / scale - 1;
ptB.y = (rectRubber.bottom-(ptBox.y-2)) / scale - 1;
if (((DWORD)ptB.x) > wBox - 1)
ptB.x = wBox - 1;
if (((DWORD)ptB.y) > kBox - 1)
ptB.y = kBox - 1;
if (ptB.x >= 0 && ptB.y >= 0) {
ClearFill((DWORD)ptB.x, (DWORD)ptB.y, cursor);
BoxPaint();
}
cursor = FALSE;
}
/******************************************************************************
* ClearFill(col, row, mode)
*
* purpose: fill the specified rectangular region in edit box with fill type
* indicated by mode.Top left corner of rect is global(ptA)
*
* params: DWORD row : row (of bottom right corner of rect(ptB.x))
* DWORD col : column (of bottom right corner of rect(ptB.y))
* WORD mode: action to be performed
*
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
ClearFill(
DWORD col,
DWORD row,
WORD mode
)
{
DWORD i, x, y;
CHAR z;
if (col < (DWORD)ptA.x) /* if points are reversed */ {
i = col;
col = ptA.x;
ptA.x = i;
} /* flip them */
if (row < (DWORD) ptA.y) {
i = row;
row = ptA.y;
ptA.y = i;
} /* flip them */
if (mode == BOX_LEFTRIGHT) {
for (x = ptA.x; x <= (DWORD)((ptA.x + col) / 2); x++)
for (y = ptA.y; y <= row; y++) {
z = matBox[x][y];
matBox[x][y] = matBox[ptA.x + col - x][y];
matBox[ptA.x + col - x][y] = z;
}
return;
}
if (mode == BOX_TOPBOTTOM) {
for (y = ptA.y; y <= ((DWORD)(ptA.y + row) / 2); y++)
for (x = ptA.x; x <= col; x++) {
z = matBox[x][y];
matBox[x][y] = matBox[x][ptA.y + row - y];
matBox[x][ptA.y + row - y] = z;
}
return;
}
if (mode == BOX_COPY)
BoxToClipboard(ptA, col - ptA.x + 1, row - ptA.y + 1);
if (mode == BOX_PASTE)
ClipboardToBox(ptA, col - ptA.x + 1, row - ptA.y + 1, FALSE);
for (x = ptA.x; x <= col; x++)
for (y = ptA.y; y <= row; y++) {
switch (mode) {
case BOX_CLEAR:
case BOX_FILL:
matBox[x][y] = (CHAR)(mode == BOX_FILL);
break;
case BOX_INV:
matBox[x][y] ^= (CHAR)TRUE;
break;
case BOX_HATCH:
matBox[x][y] = (CHAR)((x+y)%2 ? TRUE : FALSE);
break;
}
}
}
/******************************************************************************
* AddDel(col, row, mode)
*
* purpose: Add/Delete row/col as per mode
*
* params: DWORD row : row
* DWORD col : column
* WORD mode: action to be performed
*
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
AddDel(
DWORD col,
DWORD row,
WORD mode
)
{
switch (mode) {
case ROW_ADD:
DupRow(wBox, row);
break;
case ROW_DEL:
ZapRow(wBox, row);
break;
case COL_ADD:
DupCol(col, kBox);
break;
case COL_DEL:
ZapCol(col, kBox);
break;
}
/* restore arrow cursor */
SetCursor (hOldCursor);
ReleaseCapture();
fCaptured = FALSE;
fJustZapped = TRUE;
}
/******************************************************************************
* ZapCol(col, row)
*
* purpose: delete given column in edit box. Shift cols to right given col
* right. Rightmost column gets duplicated.
*
* params : DWORD col : column
* DWORD row : row
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
ZapCol(
DWORD col,
DWORD row
)
{
DWORD x, y;
for (y = 0; y <= row; y++)
for (x = col; x < wBox - 1; x++)
matBox[x][y] = matBox[x + 1][y];
for (y = 0; y <= row; y++)
matBox[x][y] = matBox[x - 1][y];
}
/******************************************************************************
* ZapRow(col, row)
*
* purpose: delete given row in edit box. Shift rows below given row up. Lowest
* row gets duplicated
*
* params: DWORD col : column
* DWORD row : row
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
ZapRow(
DWORD col,
DWORD row
)
{
DWORD x, y;
for (x = 0; x <= col; x++)
for (y = row; y < kBox - 1; y++)
matBox[x][y] = matBox[x][y + 1];
for (x = 0; x <= col; x++)
matBox[x][y] = matBox[x][y - 1];
}
/******************************************************************************
* DupCol(col, row)
*
* purpose: duplicate given column in edit box. Shift cols to right of given
* col right
*
* params: DWORD col : column
* DWORD row : row
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
DupCol(
DWORD col,
DWORD row
)
{
DWORD x, y;
for (x = wBox - 1; x > col; x--)
for (y = 0; y <= row; y++)
matBox[x][y] = matBox[x - 1][y];
}
/******************************************************************************
* DupRow(col, row)
*
* purpose: duplicate given row in edit box. Shift rows below given row down.
*
* params: DWORD col : column
* DWORD row : row
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*****************************************************************************/
VOID
DupRow(
DWORD col,
DWORD row
)
{
DWORD x, y;
for (x = 0; x <= col; x++)
for (y = kBox - 1; y > row; y--)
matBox[x][y] = matBox[x][y - 1];
}
/******************************************************************************
* ClearBox(col, row, bb)
*
* purpose: reset all pixels in edit box (make box white)
*
* params : none
*
* returns: none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box)
*
*****************************************************************************/
VOID
ClearBox(
VOID
) /* Clear edit box */
{
DWORD x, y;
for (x = 0; x < wBoxLim; x++)
for (y = 0; y < kBoxLim; y++)
matBox[x][y] = FALSE;
}
/******************************************************************************
* BoxBackup()
*
* purpose: makes a backup of pix. info. of currently displayed edit box
*
* params: none
*
* returns: none
*
* side effects: alters matBackup (local 2-d array with backup pixel info.
* on edit box )
*****************************************************************************/
VOID
BoxBackup(
VOID
)
{
DWORD x, y;
HMENU hMenu;
hMenu = GetMenu(hBox);
EnableMenuItem(hMenu, BOX_UNDO, MF_ENABLED);
EnableMenuItem(hMenu, BOX_REFRESH, MF_ENABLED);
for (x = 0; x < wBoxLim; x++)
for (y = 0; y < kBoxLim; y++)
matBackup[x][y] = matBox[x][y];
wBoxBackup = wBox;
}
/******************************************************************************
* BoxRestore()
*
* purpose : Current edit box and backup box exchange places
*
* params : none
*
* returns : none
*
* side effects: alters matBox (global 2-d array with ready pixel info. on
* currently displayed box
*
*****************************************************************************/
VOID
BoxRestore(
VOID
) /* Box and Backup exchange places */
{
DWORD x, y, temp;
CHAR z;
for (x = 0; x < wBoxLim; x++)
for (y = 0; y < kBoxLim; y++) {
z = matBackup[x][y];
matBackup[x][y] = matBox[x][y];
matBox[x][y] = z;
}
temp = wBox;
wBox = wBoxBackup;
wBoxBackup = temp;
}
/******************************************************************************
* POINT SnapPointToGrid (Pt)
*
* purpose : Intended only for the Fill menu command where rubberbanding rect.
* needs to be aligned on the grid lines. Snap the current mouse
* coordinates to nearest grid intersection.
*
* params : POINT Pt : current point mouse is over
*
* returns : POINT : number of nearest square
*
* side effects: : current mouse coordinate(global variable) altered to
* return value
*
*****************************************************************************/
POINT
SnapPointToGrid(
POINT Pt
)
{
Pt.x = (Pt.x - ptBox.x) / scale;
if (Pt.y > (scale * (font.Ascent - 1)))
Pt.y = Pt.y - 2; /* Allow for break in box */
Pt.y = (Pt.y - ptBox.y) / scale;
return (Pt);
}
/******************************************************************************
* VOID PASCAL EndRubberBandingRect()
*
* purpose: Stops rubberbanding rect for Fill menu command and cleans up
*
* params : HANDLE hDst : handle to dest. DC
*
* side effects: none
*
*****************************************************************************/
VOID PASCAL
EndRubberBandingRect(
HDC hDst /* handle to dest. DC */
)
{
fRubberBanding = FALSE; /* reset "in-progress" flag */
ReleaseDC(hBox, hDst);
ReleaseCapture();
SetCursor(hOldCursor);
}
/******************************************************************************
* HDC PASCAL InitialiseRubberBandingRect(hBox)
*
* purpose: Sets up rubberbanding rect for Fill menu command.
*
* params : HANDLE hDst : handle to box DC
*
* returns :handle to destination display context
*
* side effects: alters few global flags for rubberbanding
*
*****************************************************************************/
HDC PASCAL
InitialiseRubberBandingRect(
HDC hBox /* handle to DC of box */
)
{
HDC hDst;
fRubberBanding = TRUE; /* set "in-progress" flag */
fStartRubberBand = FALSE; /* reset "start-proceedings" flag */
SetCapture(hBox); /* send all msgs to current window */
hDst = GetDC (hBox);
/* select pen and fill mode for rectangle*/
hWhitePen = SelectObject(hDst, GetStockObject (WHITE_PEN));
hNullBrush = SelectObject(hDst, GetStockObject (NULL_BRUSH));
SetROP2(hDst, R2_XORPEN);
return(hDst);
}
/******************************************************************************
* VOID PASCAL DrawRubberBand()
*
* purpose: Draw rubberbanding rect for Fill menu command.
*
* params : HANDLE hDst : handle to dest. DC
*
* side effects: alters few global flags for rubberbanding
*
*****************************************************************************/
VOID PASCAL
DrawRubberBand(
HDC hDst, /* handle to dest. DC */
LPRECT lpRect,
DWORD rop
)
{
#ifdef DBG
char buf[256];
SIZE Size;
static LONG cxPrev;
INT nLeftRect;
#endif
SetROP2(hDst, rop);
Rectangle(hDst, lpRect->left, lpRect->top,
lpRect->right, lpRect->bottom);
#ifdef DBG
sprintf(buf, "left=%d, top=%d, right=%d, bottom=%d",
lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
GetTextExtentPoint32(hDst, buf, lstrlen(buf), &Size);
nLeftRect = ptBox.x+scale*wBox+16 + Size.cx;
if(nLeftRect < cxPrev) {
RECT rc;
rc.left = nLeftRect;
rc.top = 14+2*kBox+font.ExtLeading+3*cSysHeight;
rc.right = cxPrev;
rc.bottom = 14+2*kBox+font.ExtLeading+3*cSysHeight + Size.cy;
FillRect(hDst, &rc, hbrBackGround);
}
cxPrev = nLeftRect;
TextOut(hDst, ptBox.x+scale*wBox+16,
14+2*kBox+font.ExtLeading+3*cSysHeight,
buf, strlen(buf));
#endif
}
/******************************************************************************
* long APIENTRY FontEditWndProc(hBox, message, wParam, lParam)
*
* purpose: Master controller for Fontedit's all-encompassing main window
*
* params : same as for all window functions
*
* side effects: countless
*
*****************************************************************************/
LONG APIENTRY
FontEditWndProc(
HWND hBox,
WORD message,
WPARAM wParam,
LPARAM lParam
)
{
PAINTSTRUCT ps;
HMENU hMenu;
WORD mf;
POINT pt;
RECT BoxRect;
switch (message) {
case WM_CLOSE:
if (!CheckSave()) /* See if any files need saving */
break;
/* Window's being destroyed. */
if (fLoaded) /* 4/8/87 Linsh added */
DeleteGlobalBitmap(); /* Get rid of memory DC */
DestroyWindow(hFont);
DestroyWindow(hBox);
break;
case WM_DESTROY:
PostQuitMessage(0); /* Cause application to be terminated */
break;
case WM_QUERYENDSESSION:
if (CheckSave()) /* See if any files need saving */
return TRUE;
break;
case WM_ENDSESSION:
if (fLoaded)
DeleteGlobalBitmap(); /* Get rid of memory DC */
break;
case WM_SIZE:
/* Window's size is changing. lParam contains the width
** and height, in the low and high words, respectively.
** wParam contains SIZENORMAL for "normal" size changes,
** SIZEICONIC when the window is being made iconic, and
** SIZEFULLSCREEN when the window is being made full screen. */
switch (wParam) {
case SIZEFULLSCREEN:
case SIZENORMAL:
ResizeShow();
if (kStuff != GetkStuff()) /* Did it change ? */
ResizeShow(); /* Yes resize again */
break;
}
break;
case WM_MOVE: /* Tell popup to move with us. */
if (!IsIconic(hBox))
ResizeShow();
break;
case WM_PAINT:
/* Time for the window to draw itself. */
BeginPaint(hBox, (LPPAINTSTRUCT)&ps);
FontEditPaint(hBox, ps.hdc);
EndPaint(hBox, (LPPAINTSTRUCT)&ps);
break;
case WM_COMMAND:
/* A menu item has been selected, or a control is notifying
* its parent. wParam is the menu item value (for menus),
* or control ID (for controls). For controls, the low word
* of lParam has the window handle of the control, and the hi
* word has the notification code. For menus, lParam contains
* 0L. */
FontEditCommand(hBox, LOWORD(wParam));
break;
/* Data interchange request. */
case WM_CUT:
case WM_COPY:
case WM_PASTE:
case WM_CLEAR:
case WM_UNDO:
case WM_RENDERFORMAT:
case WM_RENDERALLFORMATS:
case WM_DESTROYCLIPBOARD:
case WM_DRAWCLIPBOARD:
break;
case WM_INITMENU:
hMenu = GetMenu(hBox); /* Gray menu if no clipboard bitmap */
mf = (WORD)(IsClipboardFormatAvailable(CF_BITMAP) ? MF_ENABLED :
MF_GRAYED);
EnableMenuItem(hMenu, BOX_PASTE, mf);
EnableMenuItem(hMenu, FONT_PASTE, mf);
break;
/* For each of following mouse window messages, wParam contains
** bits indicating whether or not various virtual keys are down,
** and lParam is a POINT containing the mouse coordinates. The
** keydown bits of wParam are: MK_LBUTTON (set if Left Button is
** down); MK_RBUTTON (set if Right Button is down); MK_SHIFT (set
** if Shift Key is down); MK_ALTERNATE (set if Alt Key is down);
** and MK_CONTROL (set if Control Key is down). */
case WM_LBUTTONDOWN:
((pt).x = ((*((POINTS *)&(lParam)))).x, (pt).y = ((*((POINTS *)&(lParam)))).y);
if (fStartRubberBand) {
/* a green signal to rubberband a rectangle for the
* Fill menu command rectangle now has null dimensions.
* Snap the current mouse point to nearest grid
* intersection thus defining upper left corner of
* rectangle */
if (PtInRect((LPRECT)&FontRect, pt)) {
pt = SnapPointToGrid(pt);
rectRubber.top = pt.y *scale+ptBox.y+1;
rectRubber.bottom = (pt.y+1)*scale+ptBox.y-2;
rectRubber.left = pt.x *scale+ptBox.x+1;
rectRubber.right = (pt.x+1)*scale+ptBox.x-2;
hDst = InitialiseRubberBandingRect(hBox);
DrawRubberBand(hDst, &rectRubber, R2_XORPEN);
}
else {
fStartRubberBand = fRubberBanding = FALSE;
ReleaseCapture();
}
}
/* do operation depending upon current active command,
* but not if we just added/deleted a row/column. */
if (!fJustZapped) {
if (fStartRubberBand) {
pt.x *= scale;
pt.y *= scale;
MouseInBox(hBox, message, pt);
}
else {
((pt).x = ((*((POINTS *)&(lParam)))).x, (pt).y = ((*((POINTS *)&(lParam)))).y);
MouseInBox(hBox, message, pt);
}
}
break;
case WM_LBUTTONUP: /* Get other corner of rectangle */
fJustZapped = FALSE;
if (fRubberBanding) {
/* if rubberbanding for the Fill menu command,
* terminate proceedings and clean up */
DrawRubberBand(hDst, &rectRubber, R2_NOT);
EndRubberBandingRect(hDst);
if (cursor) {
ReadRect();
}
}
if (fCaptured ) {
/* if cursor is + shaped, restore it to default */
ReleaseCapture();
SetCursor (hOldCursor);
}
break;
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
break;
case WM_MOUSEMOVE: /* If mouse is down */
((pt).x = ((*((POINTS *)&(lParam)))).x, (pt).y = ((*((POINTS *)&(lParam)))).y);
if ((fRubberBanding) && (wParam & MK_LBUTTON)) {
/* if any of Fill menu commands is active
** (AND the mouse key depressed) draw a rubberband
** a rectangle with the mouse movements */
/* get current square number */
pt = SnapPointToGrid(pt);
/* calculate grid for new square */
BoxRect.top = pt.y *scale+ptBox.y+1;
BoxRect.bottom = (pt.y+1)*scale+ptBox.y-2;
BoxRect.left = pt.x *scale+ptBox.x+1;
BoxRect.right = (pt.x+1)*scale+ptBox.x-2;
/* erase old mark */
DrawRubberBand(hDst, &rectRubber, R2_NOT);
/* limit rubber band to box */
if (BoxRect.right > (LONG) (scale * wBox + ptBox.x))
BoxRect.right = scale * wBox + ptBox.x;
if (BoxRect.bottom > (LONG) (scale * kBox + ptBox.y))
BoxRect.bottom = scale * kBox + ptBox.y;
if (BoxRect.top < 0)
BoxRect.top = 1;
if (BoxRect.left < 0)
BoxRect.left = 1;
if (ptA.x == pt.x) {
rectRubber.right = BoxRect.right;
rectRubber.left = BoxRect.left;
}
if (ptA.y == pt.y) {
rectRubber.bottom = BoxRect.bottom;
rectRubber.top = BoxRect.top;
}
/* almost an IntersectRect */
if (ptA.x >= pt.x)
rectRubber.left = BoxRect.left;
else
rectRubber.right = BoxRect.right;
if (ptA.y >= pt.y)
rectRubber.top = BoxRect.top;
else
rectRubber.bottom = BoxRect.bottom;
/* Draw new mark */
DrawRubberBand(hDst, &rectRubber, R2_XORPEN);
}
else {
/* if not "Fill"ing(AND mouse key depressed,
* paint with the mouse movements */
if ((wParam & MK_LBUTTON) && cursor == FALSE &&
fJustZapped == FALSE)
MouseInBox(hBox, message, pt);
}
break;
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
break;
default:
/* Everything else comes here. This call MUST exist
** in your window proc. */
return(DefWindowProc(hBox, message, wParam, lParam));
break;
}
/* A window proc should always return something */
return(0L);
}
/***************************** Public Function ****************************\
*
* BOOL APIENTRY AboutDlg(hDlg, message, wParam, lParam)
* HWND hDlg;
* WORD message;
* WPARAM wParam;
* LPARAM lParam;
*
*
* Effects: none.
*
\***************************************************************************/
BOOL APIENTRY
AboutDlg(
HWND hDlg,
WORD message,
WPARAM wParam,
LPARAM lParam
)
{
UNREFERENCED_PARAMETER(lParam);
switch (message) {
case WM_INITDIALOG:
break;
case WM_COMMAND:
EndDialog(hDlg, LOWORD(wParam));
/* idok or idcancel */
break;
default:
return FALSE;
break;
}
return(TRUE);
}