GLOBALS.C

/****************************************************************************/ 
/* */
/* Copyright (C) 1987-1996 Microsoft Corp. */
/* All Rights Reserved */
/* */
/****************************************************************************/
/****************************** Module Header *******************************
* Module Name: globals.c
*
* Global data for the image editor.
*
* History:
*
****************************************************************************/

#include "imagedit.h"
#include "dialogs.h"
#include "iehelp.h"
#include "ids.h"


/*
* Initialized data and structures -----------------------------------------
*/

/*
* Initialization data structure. This describes each profile entry
* that is contained in the initialization file.
*/
INIENTRY gaie[] = {
{ "fGrid", &gfGrid, FALSE, 0 },
{ "fShowColor", &gfShowColor, TRUE, 0 },
{ "fShowView", &gfShowView, TRUE, 0 },
{ "fShowToolbox", &gfShowToolbox, TRUE, 0 },
{ "nBrushSize", &gnBrushSize, 3, 0 },
{ NULL, NULL, 0, 0 }
};

BOOL gfGrid; // TRUE if the grid is on.
BOOL gfShowColor; // TRUE if Color palette is to be shown.
BOOL gfShowView; // TRUE if View window is to be shown.
BOOL gfShowToolbox; // TRUE if Toolbox is to be shown.
INT gnBrushSize; // Current brush size.

CHAR szAppPos[] = "AppPos"; // App window's position keyname.
CHAR szTBPos[] = "TBPos"; // Toolbox window's position keyname.
CHAR szViewPos[] = "ViewPos"; // View window's position keyname.
CHAR szColorPos[] = "ColorPos"; // Color palette window's position keyname.
CHAR szrgbScreen[] = "rgbScreen"; // Screen color keyname.


/*
* Instance handles, window handles and class strings ----------------------
*/

HANDLE ghInst; // App instance handle.
HANDLE haccelTbl; // Accelerator table handle.
HCURSOR hcurWait; // Standard hourglass cursor.

HWND ghwndMain; // Main app window handle.
HWND ghwndWork; // Workspace window handle.
HWND ghwndPropBar; // Properties Bar window handle.
HWND ghwndToolbox; // Toolbox window handle.
HWND ghwndView; // View window handle.
HWND ghwndColor; // Color palette window handle.

CHAR szMainClass[] = "ImagEdit"; // Main window class.
CHAR szWorkClass[] = "Work"; // Work window class.
CHAR szToolboxClass[] = "Toolbox"; // Toolbox window class.
CHAR szToolBtnClass[] = "ToolBtn"; // Toolbox button window class.
CHAR szViewClass[] = "View"; // View window class.
CHAR szColorBoxClass[] = "ColorBox";// Color box window class.
CHAR szColorLRClass[] = "ColorLR"; // Color Left-Right sample class.


/*
* Device list globals -----------------------------------------------------
*/

PDEVICE gpIconDeviceHead = NULL; // Head of icon device list.
INT gnIconDevices = 0; // Number of icon devices.
PDEVICE gpCursorDeviceHead = NULL; // Head of cursor device list.
INT gnCursorDevices = 0; // Number of cursor devices.


/*
* Globals that describe the current file and image being edited -----------
*/

CHAR gszFullFileName[CCHMAXPATH]; // Full path name of current file.
PSTR gpszFileName = NULL; // Current file name (or NULL).
INT giType = FT_BITMAP; // Type of object being edited currently.
PIMAGEINFO gpImageHead = NULL; // Head of image linked list.
INT gnImages = 0; // Number of images in the file.
BOOL fFileDirty; // TRUE if the file is dirty.

PIMAGEINFO gpImageCur = NULL; // Pointer to current image.
INT gcxImage; // Width of the image.
INT gcyImage; // Height of the image.
INT gnColors = 16; // Number of colors of current image.
BOOL fImageDirty; // TRUE if the image is dirty.


/*
* Drawing DC's and bitmaps ------------------------------------------------
*/

HDC ghdcImage = NULL; // Image XOR DC.
HBITMAP ghbmImage = NULL; // Image XOR bitmap.

HDC ghdcANDMask = NULL; // Image AND mask DC.
HBITMAP ghbmANDMask = NULL; // Image AND mask bitmap.

HBITMAP ghbmUndo = NULL; // Backup of XOR bitmap for undo.
HBITMAP ghbmUndoMask = NULL; // Backup of AND mask bitmap for undo.


/*
* Globals for the color palette and drawing -------------------------------
*/

INT giColorLeft; // Index to the left color in gargbCurrent.
INT giColorRight; // Index to the right color in gargbCurrent.
INT gfModeLeft; // Mode of the left color brush.
INT gfModeRight; // Mode of the right color brush.
HBRUSH ghbrLeft = NULL; // Brush with left mouse button color.
HBRUSH ghbrLeftSolid = NULL; // Brush with solid left button color.
HBRUSH ghbrRight = NULL; // Brush with right mouse button color.
HBRUSH ghbrRightSolid = NULL; // Brush with solid right button color.
HBRUSH ghbrScreen = NULL; // Brush with screen color.
HBRUSH ghbrInverse = NULL; // Brush with inverse screen color.
HPEN ghpenLeft = NULL; // Left color pen.
HPEN ghpenRight = NULL; // Right color pen.
DWORD grgbScreenDefault; // Default screen color.
DWORD grgbScreen; // RGB of screen color.
DWORD grgbInverse; // RGB of inverse screen color.
DWORD *gargbCurrent; // Points to the current color table.
DWORD gargbColor[COLORSMAX]; // Current color color table.
DWORD gargbMono[COLORSMAX]; // Current monochrome color table.
HPEN hpenDarkGray = NULL; // A dark gray pen.

DRAWPROC gpfnDrawProc; // Current drawing functions.
INT gCurTool = -1; // Current tool (TOOL_* define).
HBRUSH ghbrDraw = NULL; // Current drawing brush.
HBRUSH ghbrDrawSolid = NULL; // Current solid drawing brush.
HPEN ghpenDraw = NULL; // Current drawing pen.
INT gfDrawMode; // Mode of current drawing brush.

/*
* The default color palette.
*/
DWORD gargbDefaultColor[] = {
RGB(255, 255, 255), RGB(0, 0, 0),
RGB(192, 192, 192), RGB(128, 128, 128),
RGB(255, 0, 0), RGB(128, 0, 0),
RGB(255, 255, 0), RGB(128, 128, 0),
RGB(0, 255, 0), RGB(0, 128, 0),
RGB(0, 255, 255), RGB(0, 128, 128),
RGB(0, 0, 255), RGB(0, 0, 128),
RGB(255, 0, 255), RGB(128, 0, 128),
RGB(255, 255, 128), RGB(128, 128, 64),
RGB(0, 255, 128), RGB(0, 64, 64),
RGB(128, 255, 255), RGB(0, 128, 255),
RGB(128, 128, 255), RGB(0, 64, 128),
RGB(255, 0, 128), RGB(64, 0, 128),
RGB(255, 128, 64), RGB(128, 64, 0)
};

/*
* The default monochrome palette.
*/
DWORD gargbDefaultMono[] = {
RGB(255, 255, 255), RGB(0, 0, 0),
RGB(128, 128, 128), RGB(9, 9, 9),
RGB(137, 137, 137), RGB(18, 18, 18),
RGB(146, 146, 146), RGB(27, 27, 27),
RGB(155, 155, 155), RGB(37, 37, 37),
RGB(164, 164, 164), RGB(46, 46, 46),
RGB(173, 173, 173), RGB(55, 55, 55),
RGB(182, 182, 182), RGB(63, 63, 63),
RGB(191, 191, 191), RGB(73, 73, 73),
RGB(201, 201, 201), RGB(82, 82, 82),
RGB(212, 212, 212), RGB(92, 92, 92),
RGB(222, 222, 222), RGB(101, 101, 101),
RGB(231, 231, 231), RGB(110, 110, 110),
RGB(245, 245, 245), RGB(119, 119, 119)
};

/*
* Color table for monochrome DIB's.
*/
DWORD gargbColorTable2[] = {
RGB(0, 0, 0),
RGB(255, 255, 255)
};

/*
* Array that describes each tool used in the editor. This table
* is indexed by the TOOL_* defines.
*/
TOOLS gaTools[] = {
{ PencilDP, NULL, IDBM_TUPENCIL, NULL, IDBM_TDPENCIL, NULL,
TRUE, FALSE },
{ BrushDP, NULL, IDBM_TUBRUSH, NULL, IDBM_TDBRUSH, NULL,
TRUE, FALSE },
{ PickDP, NULL, IDBM_TUSELECT, NULL, IDBM_TDSELECT, NULL,
FALSE, FALSE },
{ LineDP, NULL, IDBM_TULINE, NULL, IDBM_TDLINE, NULL,
FALSE, TRUE },
{ RectDP, NULL, IDBM_TURECT, NULL, IDBM_TDRECT, NULL,
FALSE, TRUE },
{ RectDP, NULL, IDBM_TUSRECT, NULL, IDBM_TDSRECT, NULL,
FALSE, TRUE },
{ CircleDP, NULL, IDBM_TUCIRCLE, NULL, IDBM_TDCIRCLE, NULL,
FALSE, TRUE },
{ CircleDP, NULL, IDBM_TUSCIRCL, NULL, IDBM_TDSCIRCL, NULL,
FALSE, TRUE },
{ FloodDP, NULL, IDBM_TUFLOOD, NULL, IDBM_TDFLOOD, NULL,
TRUE, FALSE },
{ HotSpotDP, NULL, IDBM_TUHOTSPT, NULL, IDBM_TDHOTSPT, NULL,
FALSE, FALSE }
};


/*
* Globals and tables for messages and help --------------------------------
*/

/*
* Message box messages, for the Message() function.
*/
MESSAGEDATA gamdMessages[] = {
{ IDS_OUTOFMEMORY, MB_OK | MB_ICONHAND },
{ IDS_MEMERROR, MB_OK | MB_ICONHAND },
{ IDS_BADBMPFILE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_BADICOCURFILE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_BADPALFILE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_CANTOPEN, MB_OK | MB_ICONEXCLAMATION },
{ IDS_READERROR, MB_OK | MB_ICONEXCLAMATION },
{ IDS_WRITEERROR, MB_OK | MB_ICONEXCLAMATION },
{ IDS_CANTCREATE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_NOCLIPBOARDFORMAT, MB_OK | MB_ICONEXCLAMATION },
{ IDS_NOCLIPBOARD, MB_OK | MB_ICONEXCLAMATION },
{ IDS_CANTEDITIMAGE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_SAVEFILE, MB_YESNOCANCEL | MB_ICONEXCLAMATION },
{ IDS_ENTERANUMBER, MB_OK | MB_ICONEXCLAMATION },
{ IDS_BADDEVICESIZE, MB_OK | MB_ICONEXCLAMATION },
{ IDS_BADDEVICECOLORS, MB_OK | MB_ICONEXCLAMATION },
{ IDS_NOTSUPPORT, MB_OK | MB_ICONEXCLAMATION },
{ IDS_NOIMAGES, MB_OK | MB_ICONEXCLAMATION },
{ IDS_BADBMPSIZE, MB_OK | MB_ICONEXCLAMATION }
};

INT gidCurrentDlg = 0; // Current dialog id (null if none).
INT gMenuSelected = 0; // Currently selected menu item.
CHAR gszHelpFile[CCHMAXPATH]; // Path to the help file.
HHOOK ghhkMsgFilter; // Hook handle for message filter func.
FARPROC lpfnMsgFilterHookFunc; // The message filter proc instance.

/*
* Table that maps menu items to help context id's for them.
*/
HELPMAP gahmapMenu[] = {
{MENU_FILE_NEW, HELPID_FILE_NEW },
{MENU_FILE_OPEN, HELPID_FILE_OPEN },
{MENU_FILE_SAVE, HELPID_FILE_SAVE },
{MENU_FILE_SAVEAS, HELPID_FILE_SAVEAS },
{MENU_FILE_LOADCOLORS, HELPID_FILE_LOADCOLORS },
{MENU_FILE_SAVECOLORS, HELPID_FILE_SAVECOLORS },
{MENU_FILE_DEFAULTCOLORS, HELPID_FILE_DEFAULTCOLORS },
{MENU_FILE_EXIT, HELPID_FILE_EXIT },

{MENU_EDIT_UNDO, HELPID_EDIT_UNDO },
{MENU_EDIT_RESTORE, HELPID_EDIT_RESTORE },
{MENU_EDIT_COPY, HELPID_EDIT_COPY },
{MENU_EDIT_PASTE, HELPID_EDIT_PASTE },
{MENU_EDIT_CLEAR, HELPID_EDIT_CLEAR },
{MENU_EDIT_NEWIMAGE, HELPID_EDIT_NEWIMAGE },
{MENU_EDIT_SELECTIMAGE, HELPID_EDIT_SELECTIMAGE },
{MENU_EDIT_DELETEIMAGE, HELPID_EDIT_DELETEIMAGE },

{MENU_OPTIONS_GRID, HELPID_OPTIONS_GRID },
{MENU_OPTIONS_BRUSH2, HELPID_OPTIONS_BRUSH2 },
{MENU_OPTIONS_BRUSH3, HELPID_OPTIONS_BRUSH3 },
{MENU_OPTIONS_BRUSH4, HELPID_OPTIONS_BRUSH4 },
{MENU_OPTIONS_BRUSH5, HELPID_OPTIONS_BRUSH5 },
{MENU_OPTIONS_SHOWCOLOR, HELPID_OPTIONS_SHOWCOLOR },
{MENU_OPTIONS_SHOWVIEW, HELPID_OPTIONS_SHOWVIEW },
{MENU_OPTIONS_SHOWTOOLBOX, HELPID_OPTIONS_SHOWTOOLBOX },

{MENU_HELP_CONTENTS, HELPID_HELP_CONTENTS },
{MENU_HELP_SEARCH, HELPID_HELP_SEARCH },
// No help for the About menu command.

{0, 0 }
};

/*
* Table that maps dialog ids to help context id's for them.
*/
HELPMAP gahmapDialog[] = {
// No help for the About dialog.
{DID_BITMAPSIZE, HELPID_BITMAPSIZE },
{DID_PASTEOPTIONS, HELPID_PASTEOPTIONS },
{DID_NEWCURSORIMAGE, HELPID_NEWCURSORIMAGE },
{DID_NEWICONIMAGE, HELPID_NEWICONIMAGE },
{DID_SELECTCURSORIMAGE, HELPID_SELECTCURSORIMAGE },
{DID_SELECTICONIMAGE, HELPID_SELECTICONIMAGE },
{DID_RESOURCETYPE, HELPID_RESOURCETYPE },

{DID_COMMONFILEOPEN, HELPID_COMMONFILEOPEN },
{DID_COMMONFILESAVE, HELPID_COMMONFILESAVE },
{DID_COMMONFILEOPENPAL, HELPID_COMMONFILEOPENPAL },
{DID_COMMONFILESAVEPAL, HELPID_COMMONFILESAVEPAL },
{DID_COMMONFILECHOOSECOLOR, HELPID_COMMONFILECHOOSECOLOR },

{DID_TOOLBOX, HELPID_TOOLBOX },
{DID_PROPBAR, HELPID_PROPERTIESBAR },
{DID_COLOR, HELPID_COLORPALETTE },
{DID_VIEW, HELPID_VIEW },

{0, 0 }
};


/*
* Misc. globals -----------------------------------------------------------
*/

INT gcxWorkSpace; // Width of workspace window.
INT gcyWorkSpace; // Height of workspace window.
INT gZoomFactor; // Magnification factor of image.

RECT grcPick; // The current picking rectangle.
INT gcxPick; // Width of picking rectangle.
INT gcyPick; // Height of picking rectangle.

UINT ClipboardFormat; // ID of private clipboard format.
BOOL fStretchClipboardData = TRUE; // TRUE to default to stretch on paste.

INT iNewFileType; // New file type the user selected.

INT gcyBorder; // System border height.
INT gcyPropBar; // Height of PropBar window.

WNDPROC lpfnPropBarDlgProc = NULL; // Proc inst. of PropBar dialog proc.
WNDPROC lpfnColorDlgProc = NULL; // Proc inst. of Color palette dlg proc.