/*
* IECopyImage - copy the current clipping rectangle to the clipboard
*
* 1) Copy the bitmap to the clipboard (so other apps can use it).
* 2) Make a copy of the XOR bitmap and the AND bitmaps so that if
* screen colors are involved, they will be preserved.
* Later, we check the owner of the clipboard to see if we really
* want to use the XOR/AND bitmaps or not.
*/
void IECopyImage( void )
{
short width;
short height;
img_node *node;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
if( !fEnableCutCopy ) {
_wpi_setwrectvalues( &clipRect.rect, 0, 0, node->width, node->height );
width = node->width;
height = node->height;
} else {
width = _wpi_getwidthrect( clipRect.rect );
height = _wpi_getheightrect( clipRect.rect );
}
copyImageToClipboard( width, height, node );
if( !fEnableCutCopy ) {
PrintHintTextByID( WIE_ENTIREIMAGECOPIED, NULL );
} else {
PrintHintTextByID( WIE_AREACOPIED, NULL );
RedrawPrevClip( node->hwnd );
fEnableCutCopy = FALSE;
}
} /* IECopyImage */
/*
* BlowupImage - stretch the view window into the window given by hwnd
*/
void BlowupImage( HWND hmdiwnd, WPI_PRES pres )
{
HDC memdc;
WPI_PRES mempres;
WPI_RECT client;
HBITMAP oldbitmap;
HBITMAP newbitmap;
HWND hwnd;
img_node *node;
BOOL new_pres;
if( hmdiwnd != NULL ) {
hwnd = hmdiwnd;
} else {
node = GetCurrentNode();
if( node == NULL ) {
return;
}
hwnd = node->hwnd;
}
newbitmap = EnlargeImage( hwnd );
if( newbitmap == NULL ) {
return;
}
new_pres = FALSE;
if( pres == (WPI_PRES)NULL ) {
pres = _wpi_getpres( hwnd );
new_pres = TRUE;
}
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
oldbitmap = _wpi_selectobject( mempres, newbitmap );
if( ImgedConfigInfo.grid_on ) {
showGrid( hwnd, mempres );
} else {
GetClientRect( hwnd, &client );
_wpi_bitblt( pres, 0, 0, _wpi_getwidthrect( client ),
_wpi_getheightrect( client ), mempres, 0, 0, SRCCOPY );
RedrawPrevClip( hwnd ); // Redraw if there was a clip region specified.
}
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletebitmap( newbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
if( new_pres ) {
_wpi_releasepres( hwnd, pres );
}
} /* BlowupImage */
/*
* PlaceAndPaste - find out where the image is to be placed and then paste it there
*/
void PlaceAndPaste( void )
{
HBITMAP hbitmap;
WPI_POINT pointsize;
img_node *node;
WPI_POINT pt;
unsigned long format;
int bm_width;
int bm_height;
format = 0;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
if( !_wpi_isclipboardformatavailable( Instance, CF_BITMAP, &format ) ) {
PrintHintTextByID( WIE_NOBITMAPINCLIPBOARD, NULL );
return;
}
pointsize = GetPointSize( node->hwnd );
if( fEnableCutCopy ) {
RedrawPrevClip( node->hwnd );
PasteImage( NULL, pointsize, node->hwnd );
fEnableCutCopy = FALSE;
return;
}
prevToolType = SetToolType( IMGED_PASTE );
pointCursor = _wpi_loadcursor( Instance, POINT_CUR );
prevCursor = _wpi_setcursor( pointCursor );
_wpi_openclipboard( Instance, HMainWindow );
hbitmap = _wpi_getclipboarddata( Instance, CF_BITMAP );
_wpi_getbitmapdim( hbitmap, &bm_width, &bm_height );
_wpi_closeclipboard( Instance );
dragWidth = (short)(bm_width * pointsize.x);
dragHeight = (short)(bm_height * pointsize.y);
WriteSetSizeText( WIE_CLIPBOARDBITMAPSIZE, bm_width, bm_height);
_wpi_getcursorpos( &pt );
_wpi_screentoclient( node->hwnd, &pt );
pt.x = pt.x / pointsize.x;
pt.y = pt.y / pointsize.y;
_wpi_setcapture( node->hwnd );
firstTime = true;
DragClipBitmap( node->hwnd, &pt, pointsize );
} /* PlaceAndPaste */
/*
* FocusOnImage - Selects one of the mdi children.
*/
void FocusOnImage( HWND hwnd )
{
char current_file[ _MAX_PATH ];
char *text;
if (activeImage) {
RedrawPrevClip(activeImage->hwnd);
SetRectExists( FALSE );
}
activeImage = SelectImage( hwnd );
if (!activeImage) {
WImgEditError( WIE_ERR_BAD_HWND, WIE_INTERNAL_001 );
return;
}
ResetViewWindow( activeImage->viewhwnd );
CreateDrawnImage( activeImage );
SetMenus( activeImage );
SetNumColours( 1<<(activeImage->bitcount) );
SetHotSpot( activeImage );
DisplayImageText( activeImage );
CheckForUndo( activeImage );
GetFnameFromPath( activeImage->fname, current_file );
text = (char *)
MemAlloc( strlen( IEAppTitle ) + strlen( current_file ) + 3 + 1 );
if( text ) {
strcpy( text, IEAppTitle );
strcat( text, " - " );
strcat( text, current_file );
_wpi_setwindowtext( _wpi_getframe(HMainWindow), text );
MemFree( text );
}
#ifndef __OS2_PM__
RedrawWindow( hwnd, NULL, NULL, RDW_UPDATENOW );
#endif
} /* FocusOnImage */
/*
* showGrid - Display the grid on the draw area.
*/
static void showGrid( HWND hwnd, WPI_PRES mempres )
{
short i;
short psx;
short psy;
WPI_RECT rcclient;
HPEN hblackpen;
HPEN holdpen;
img_node *node;
short width;
short height;
IMGED_DIM left;
IMGED_DIM right;
IMGED_DIM top;
IMGED_DIM bottom;
WPI_PRES pres;
WPI_POINT startpt;
WPI_POINT endpt;
node = SelectImage( hwnd );
_wpi_torgbmode( mempres );
GetClientRect( hwnd, &rcclient );
width = (short)( _wpi_getwidthrect(rcclient) );
height = (short)( _wpi_getheightrect(rcclient) );
if (((width / node->width) < POINTSIZE_MIN) ||
((height / node->height) < POINTSIZE_MIN)) {
psx = 0;
psy = 0;
} else {
psx = width / node->width;
psy = height / node->height;
hblackpen = _wpi_createpen( PS_SOLID, 0, BLACK );
holdpen = _wpi_selectobject( mempres, hblackpen );
_wpi_getrectvalues( rcclient, &left, &top, &right, &bottom );
for (i=0; i < width; i = i + psx) {
_wpi_setpoint( &startpt, i, top );
_wpi_setpoint( &endpt, i, bottom );
_wpi_movetoex( mempres, &startpt, NULL );
_wpi_lineto( mempres, &endpt );
}
for (i=0; i <= height; i = i + psy) {
_wpi_setpoint( &startpt, left, i );
_wpi_setpoint( &endpt, right, i );
_wpi_movetoex( mempres, &startpt, NULL );
_wpi_lineto( mempres, &endpt );
}
_wpi_selectobject( mempres, holdpen );
_wpi_deleteobject( hblackpen );
}
pres = _wpi_getpres( hwnd );
_wpi_bitblt( pres, 0, 0, width, height, mempres, 0, 0, SRCCOPY );
_wpi_releasepres( hwnd, pres );
RedrawPrevClip(hwnd); // Redraws if there was a clip region specified.
} /* showGrid */
/*
* SetToolType - set the tool type
*/
int SetToolType( int toolid )
{
HMENU hmenu;
int i;
int prev_tool;
img_node *node;
if( toolType == IMGED_CLIP ) {
node = GetCurrentNode();
if( node != NULL ) {
RedrawPrevClip( node->hwnd );
SetRectExists( FALSE );
}
}
prev_tool = toolType;
toolType = toolid;
if( toolid == IMGED_PASTE || toolid == IMGED_SNAP ) {
return( prev_tool );
}
if( HMainWindow == NULL ) {
return( 0 );
}
hmenu = _wpi_getmenu( _wpi_getframe( HMainWindow ) );
switch( toolid ) {
case IMGED_FREEHAND:
setTheCursor( PENCIL_CUR, NULL );
break;
case IMGED_LINE:
setTheCursor( CROSS_CUR, NULL );
break;
case IMGED_HOTSPOT:
setTheCursor( HOTSPOT_CUR, NULL );
break;
case IMGED_RECTO:
setTheCursor( CROSS_CUR, NULL );
break;
case IMGED_RECTF:
setTheCursor( CROSS_CUR, NULL );
break;
case IMGED_CIRCLEO:
setTheCursor( CROSS_CUR, NULL );
break;
case IMGED_CIRCLEF:
setTheCursor( CROSS_CUR, NULL );
break;
case IMGED_FILL:
setTheCursor( FILL_CUR, NULL );
break;
case IMGED_BRUSH:
setTheCursor( BRUSH_CUR, NULL );
if( prev_tool != IMGED_PASTE && prev_tool !=IMGED_SNAP ) {
WriteSetSizeText( WIE_BRUSHSIZEIS, ImgedConfigInfo.brush_size,
ImgedConfigInfo.brush_size );
}
break;
case IMGED_CLIP:
setTheCursor( CROSS_CUR, NULL );
break;
default:
setTheCursor( PENCIL_CUR, NULL );
toolType = IMGED_FREEHAND;
break;
}
for( i = IMGED_CLIP; i <= IMGED_HOTSPOT; i++ ) {
#if 0
if( _wpi_isitemenabled( hmenu, i ) ) {
_wpi_checkmenuitem( hmenu, i, FALSE, FALSE );
}
#else
if( _wpi_isitemchecked( hmenu, i ) ) {
_wpi_checkmenuitem( hmenu, i, FALSE, FALSE );
}
#endif
}
_wpi_checkmenuitem( hmenu, toolType, TRUE, FALSE );
SetDrawTool( toolType );
return( prev_tool );
} /* SetToolType */
/*
* DrawAreaWinProc - window procedure for the drawing area window
* - this window is an MDI window
*/
MRESULT CALLBACK DrawAreaWinProc( HWND hwnd, WPI_MSG msg,
WPI_PARAM1 wparam, WPI_PARAM2 lparam )
{
static WPI_POINT start_pt = { -1, -1 };
static WPI_POINT end_pt = { -1, -1 };
static WPI_POINT prev_pt = { -1, -1 };
static WPI_POINT new_pt = { -1, -1 };
static WPI_POINT pt1;
static BOOL flbuttondown = FALSE;
static BOOL frbuttondown = FALSE;
static BOOL fdraw_shape = FALSE;
static BOOL firsttime;
static BOOL wasicon;
int mousebutton;
WPI_POINT pointsize;
WPI_POINT pt2;
#ifndef __OS2_PM__
CREATESTRUCT *cs;
MDICREATESTRUCT *mdi_cs;
MINMAXINFO *minmax;
#endif
img_node *node;
int i;
switch ( msg ) {
case WM_CREATE:
#ifndef __OS2_PM__
cs = (CREATESTRUCT __FAR *)lparam;
mdi_cs = (MDICREATESTRUCT __FAR *)cs->lpCreateParams;
node = (img_node *)mdi_cs->lParam;
for( i = 0; i < node->num_of_images; i++ ) {
node[i].hwnd = hwnd;
}
AddImageNode( node );
CreateUndoStack( node );
setTheCursor( -1, hwnd );
wasicon = FALSE;
#endif
firsttime = TRUE;
i = i;
return( 0 );
case WM_MDIACTIVATE:
if( IMGED_GET_MDI_FACTIVATE( hwnd, wparam, lparam ) ) {
if( _wpi_isiconic( hwnd ) ) {
wasicon = TRUE;
break;
} else {
wasicon = FALSE;
FocusOnImage( hwnd );
}
}
return( 0 );
#ifndef __OS2_PM__
case WM_GETMINMAXINFO:
node = SelectImage( hwnd );
if( node != NULL ) {
minmax = (MINMAXINFO *)lparam;
minmax->ptMinTrackSize.x = node->width +
2 * _wpi_getsystemmetrics( SM_CXFRAME );
minmax->ptMinTrackSize.y = node->height +
2 * _wpi_getsystemmetrics( SM_CYFRAME ) +
_wpi_getsystemmetrics( SM_CYCAPTION ) - 1;
}
break;
#endif
case UM_SHOWVIEWWINDOW:
ShowViewWindows( hwnd );
return 0;
case WM_SIZE:
if ( _imgwpi_issizerestored( wparam ) ) {
ResizeChild( lparam, hwnd, firsttime );
firsttime = FALSE;
if( wasicon ) {
FocusOnImage( hwnd );
wasicon = FALSE;
}
#ifndef __OS2_PM__
} else if ( _imgwpi_issizeminimized( wparam ) ) {
node = SelectImage( hwnd );
HideViewWindow( hwnd );
DeleteActiveImage();
ClearImageText();
SendMessage( ClientWindow, WM_MDINEXT, (WPARAM)(LPVOID)hwnd, 0L );
wasicon = TRUE;
#endif
}
return( 0 );
#ifndef __OS2_PM__
case WM_CHAR:
pointsize = GetPointSize( hwnd );
if( LOWORD( wparam ) == ESC_CHAR ) {
if( !(lparam & 0x40000000) ) {
switch( toolType ) {
case IMGED_PASTE:
fdraw_shape = FALSE;
flbuttondown = FALSE;
frbuttondown = FALSE;
DontPaste( hwnd, &pt1, pointsize );
break;
case IMGED_LINE:
case IMGED_RECTO:
case IMGED_RECTF:
case IMGED_CIRCLEO:
case IMGED_CIRCLEF:
case IMGED_CLIP:
if( !flbuttondown && !frbuttondown ) {
break;
}
fdraw_shape = FALSE;
flbuttondown = FALSE;
frbuttondown = FALSE;
if( toolType == IMGED_LINE ) {
OutlineLine( hwnd, &start_pt, &prev_pt, &new_pt, TRUE );
} else if( toolType == IMGED_CLIP ) {
OutlineClip( hwnd, &start_pt, &prev_pt, &new_pt, TRUE );
SetRectExists( FALSE );
} else {
OutlineRegion( hwnd, &start_pt, &prev_pt, &new_pt, TRUE );
}
break;
default:
break;
}
}
}
return( 0 );
#endif
case WM_MOUSEMOVE:
pointsize = GetPointSize( hwnd );
#ifdef __OS2_PM__
WinSetPointer( HWND_DESKTOP, hCursor[cursorIndex] );
#endif
IMGED_MAKEPOINT( wparam, lparam, new_pt );
switch( toolType ) {
case IMGED_SNAP:
#ifndef __OS2_PM__
OutlineSnap();
#endif
break;
case IMGED_PASTE:
pt1.x = new_pt.x / pointsize.x;
pt1.y = new_pt.y / pointsize.y;
pt2.x = prev_pt.x / pointsize.x;
pt2.y = prev_pt.y / pointsize.y;
if( pt1.x != pt2.x || pt1.y != pt2.y ) {
DragClipBitmap( hwnd, &pt1, pointsize );
}
SetPosInStatus( &new_pt, &pointsize, hwnd );
break;
case IMGED_FREEHAND:
case IMGED_BRUSH:
if( flbuttondown ) {
Paint( hwnd, &prev_pt, &new_pt, LMOUSEBUTTON );
} else if( frbuttondown ) {
Paint( hwnd, &prev_pt, &new_pt, RMOUSEBUTTON );
}
SetPosInStatus( &new_pt, &pointsize, hwnd );
break;
case IMGED_LINE:
case IMGED_RECTO:
case IMGED_RECTF:
case IMGED_CIRCLEO:
case IMGED_CIRCLEF:
case IMGED_CLIP:
if( flbuttondown || frbuttondown ) {
if( new_pt.x / pointsize.x != end_pt.x / pointsize.x ||
new_pt.y / pointsize.y != end_pt.y / pointsize.y ) {
if( toolType == IMGED_LINE ) {
OutlineLine( hwnd, &start_pt, &new_pt, &prev_pt, FALSE );
} else if( toolType == IMGED_CLIP ) {
OutlineClip( hwnd, &start_pt, &new_pt, &prev_pt, FALSE );
} else {
OutlineRegion( hwnd, &start_pt, &new_pt, &prev_pt, FALSE );
}
end_pt = new_pt;
SetSizeInStatus( hwnd, &start_pt, &new_pt, &pointsize );
}
} else {
SetPosInStatus( &new_pt, &pointsize, hwnd );
}
break;
case IMGED_FILL:
SetPosInStatus( &new_pt, &pointsize, hwnd );
break;
default:
SetPosInStatus( &new_pt, &pointsize, hwnd );
break;
}
prev_pt = new_pt;
return( 0 );
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
pointsize = GetPointSize( hwnd );
SetCapture( hwnd );
if( msg == WM_LBUTTONDOWN ) {
if( frbuttondown ) {
break;
}
#ifdef __OS2_PM__
node = GetCurrentNode();
if( hwnd != node->hwnd ) {
break;
}
#endif
flbuttondown = TRUE;
mousebutton = LMOUSEBUTTON;
} else {
if( flbuttondown ) {
break;
}
node = GetCurrentNode();
if( hwnd != node->hwnd ) {
break;
}
frbuttondown = TRUE;
mousebutton = RMOUSEBUTTON;
}
fdraw_shape = TRUE;
IMGED_MAKEPOINT( wparam, lparam, start_pt );
IMGED_MAKEPOINT( wparam, lparam, new_pt );
switch( toolType ) {
case IMGED_SNAP:
#ifndef __OS2_PM__
TransferImage( hwnd );
#endif
fdraw_shape = FALSE;
flbuttondown = FALSE;
frbuttondown = FALSE;
break;
case IMGED_FREEHAND:
case IMGED_BRUSH:
BeginFreeHand( hwnd );
DrawSinglePoint( hwnd, &start_pt, mousebutton );
break;
case IMGED_LINE:
IMGED_MAKEPOINT( wparam, lparam, end_pt );
OutlineLine( hwnd, &start_pt, &new_pt, &prev_pt, TRUE );
break;
case IMGED_RECTO:
case IMGED_RECTF:
case IMGED_CIRCLEO:
case IMGED_CIRCLEF:
IMGED_MAKEPOINT( wparam, lparam, end_pt );
OutlineRegion( hwnd, &start_pt, &new_pt, &prev_pt, TRUE );
break;
case IMGED_CLIP:
IMGED_MAKEPOINT( wparam, lparam, end_pt );
RedrawPrevClip( hwnd );
OutlineClip( hwnd, &start_pt, &new_pt, &prev_pt, TRUE );
break;
case IMGED_FILL:
FillArea( &start_pt, mousebutton );
RecordImage( hwnd );
break;
case IMGED_HOTSPOT:
SetIsSaved( hwnd, FALSE );
prev_pt.x = start_pt.x / pointsize.x;
prev_pt.y = start_pt.y / pointsize.y;
SetNewHotSpot( &prev_pt );
break;
default:
break;
}
prev_pt = new_pt;
return 0;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
pointsize = GetPointSize( hwnd );
IMGED_MAKEPOINT( wparam, lparam, end_pt );
IMGED_MAKEPOINT( wparam, lparam, new_pt );
if( msg == WM_LBUTTONUP ) {
mousebutton = LMOUSEBUTTON;
} else {
mousebutton = RMOUSEBUTTON;
}
if( fdraw_shape ) {
switch( toolType ) {
case IMGED_PASTE:
PasteImage( &start_pt, pointsize, hwnd );
flbuttondown = FALSE;
frbuttondown = FALSE;
break;
case IMGED_FREEHAND:
case IMGED_BRUSH:
if( flbuttondown || frbuttondown ) {
EndFreeHand( hwnd );
RecordImage( hwnd );
}
break;
case IMGED_LINE:
DrawLine( hwnd, &start_pt, &end_pt, mousebutton );
RecordImage( hwnd );
break;
case IMGED_RECTO:
case IMGED_RECTF:
case IMGED_CIRCLEO:
case IMGED_CIRCLEF:
DisplayRegion( hwnd, &start_pt, &end_pt, mousebutton );
RecordImage( hwnd );
break;
case IMGED_CLIP:
SetClipRect( hwnd, &start_pt, &end_pt, pointsize );
break;
default:
break;
}
fdraw_shape = FALSE;
}
ReleaseCapture();
flbuttondown = FALSE;
frbuttondown = FALSE;
prev_pt = new_pt;
return( 0 );
case WM_PAINT:
RepaintDrawArea( hwnd );
return( 0 );
case WM_QUERYENDSESSION:
case WM_CLOSE:
if( lastChanceSave( hwnd ) ) {
CloseCurrentImage( hwnd );
return( (MRESULT)1 );
} else {
return( (MRESULT)0 );
}
#ifndef __OS2_PM__
case WM_DESTROY:
SetCursor( LoadCursor( NULL, IDC_ARROW ) );
return( 0 );
#endif
default:
break;
}
return( _imgwpi_defMDIchildproc( hwnd, msg, wparam, lparam ) );
} /* DrawAreaWinProc */