/*
* CheckGridItem - Check the grid item and display the grid if necessary.
* First we check if an item has been created or not, if not
* we just check some flags so that when it is created, a
* grid will (not) be displayed.
*/
void CheckGridItem( HMENU hmenu )
{
WPI_ENUMPROC fp_enum;
HCURSOR prevcursor;
prevcursor = _wpi_setcursor( _wpi_getsyscursor(IDC_WAIT) );
if ( _wpi_isitemchecked(hmenu, IMGED_GRID) ) {
_wpi_checkmenuitem( hmenu, IMGED_GRID, MF_UNCHECKED, FALSE );
ImgedConfigInfo.grid_on = FALSE;
BlowupImage( NULL, NULL );
PrintHintTextByID( WIE_GRIDTURNEDOFF, NULL );
} else {
_wpi_checkmenuitem( hmenu, IMGED_GRID, MF_CHECKED, FALSE );
ImgedConfigInfo.grid_on = TRUE;
BlowupImage( NULL, NULL );
PrintHintTextByID( WIE_GRIDTURNEDON, NULL );
}
PressGridButton();
if( DoImagesExist() ) {
fp_enum = _wpi_makeenumprocinstance( GridEnumProc, Instance );
_wpi_enumchildwindows( ClientWindow, fp_enum, 0L );
_wpi_freeprocinstance( fp_enum );
}
_wpi_setcursor( prevcursor );
} /* CheckGridItem */
/*
* DrawLine - Draws a line on the drawing area.
*/
void DrawLine( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt, int mousebutton )
{
COLORREF colour;
COLORREF dithered;
WPI_POINT imgstart_pt;
WPI_POINT imgend_pt;
wie_clrtype type;
img_node *node;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
imgstart_pt.x = start_pt->x / pointSize.x;
imgstart_pt.y = start_pt->y / pointSize.y;
imgend_pt.x = end_pt->x / pointSize.x;
imgend_pt.y = end_pt->y / pointSize.y;
dithered = GetSelectedColour(mousebutton, &colour, &type);
if (type == SCREEN_CLR) {
LineXorAnd(BLACK, WHITE, &imgstart_pt, &imgend_pt);
} else if (type == INVERSE_CLR) {
LineXorAnd(WHITE, WHITE, &imgstart_pt, &imgend_pt);
} else {
LineXorAnd(colour, BLACK, &imgstart_pt, &imgend_pt);
}
node = SelectImage( hwnd );
InvalidateRect(node->viewhwnd, NULL, FALSE);
BlowupImage( hwnd, NULL );
} /* DrawLine */
/*
* ResetDrawArea - Resets the drawing area when a new image is selected from
* the select icon menu option. (only for icon files).
*/
void ResetDrawArea( img_node *node )
{
WPI_RECT rcclient;
WPI_RECT rc;
WPI_PARAM2 lparam;
short new_width;
short new_height;
GetClientRect( node->hwnd, &rcclient );
pointSize.x = max (1, _wpi_getwidthrect(rcclient) / node->width);
pointSize.y = max (1, _wpi_getheightrect(rcclient) / node->height);
if (ImgedConfigInfo.square_grid) {
GetClientRect( ClientWindow, &rc );
if (pointSize.y * node->height > _wpi_getheightrect(rc) ) {
pointSize.y = pointSize.x;
} else {
pointSize.x = pointSize.y;
}
/*
* I add 1 to cause ResizeChild to resize the window.
*/
new_width = (short)(pointSize.x*node->width+1);
new_height = (short)(pointSize.y*node->height+1);
lparam = WPI_MAKEP2(new_width, new_height);
ResizeChild(lparam, node->hwnd, TRUE );
}
BlowupImage( node->hwnd, NULL );
} /* ResetDrawArea */
/*
* CutImage - cuts the current clipping rectangle to the clipboard
*/
void CutImage( void )
{
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
HBITMAP oldbitmap;
short width;
short height;
img_node *node;
WPI_RECTDIM left;
WPI_RECTDIM right;
WPI_RECTDIM top;
WPI_RECTDIM bottom;
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 = (short)_wpi_getwidthrect( clipRect.rect );
height = (short)_wpi_getheightrect( clipRect.rect );
}
copyImageToClipboard( width, height, node );
pres = _wpi_getpres( node->viewhwnd );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_releasepres( node->viewhwnd, pres );
oldbitmap = _wpi_selectbitmap( mempres, node->hxorbitmap );
_wpi_getrectvalues( clipRect.rect, &left, &top, &right, &bottom );
_wpi_patblt( mempres, left, top, width, height, WHITENESS );
_wpi_getoldbitmap( mempres, oldbitmap );
oldbitmap = _wpi_selectbitmap( mempres, node->handbitmap );
_wpi_patblt( mempres, left, top, width, height, BLACKNESS );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
InvalidateRect( node->viewhwnd, NULL, FALSE );
RecordImage( node->hwnd );
if( !fEnableCutCopy ) {
PrintHintTextByID( WIE_ENTIREIMAGECUT, NULL );
} else {
PrintHintTextByID( WIE_AREACUT, NULL );
fEnableCutCopy = FALSE;
}
BlowupImage( node->hwnd, NULL );
} /* CutImage */
/*
* ClearImage - clear the XOR and the AND bitmaps
*/
void ClearImage( void )
{
WPI_PRES pres;
WPI_PRES xorpres;
WPI_PRES andpres;
HDC xormemdc;
HDC andmemdc;
HBITMAP oldxor;
HBITMAP oldand;
img_node *node;
WPI_RECT clear_area;
IMGED_DIM left;
IMGED_DIM top;
IMGED_DIM right;
IMGED_DIM bottom;
int width;
int height;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
if( DoesRectExist( &clear_area ) ) {
SetRectExists( FALSE );
} else {
_wpi_setwrectvalues( &clear_area, 0, 0, node->width, node->height );
}
pres = _wpi_getpres( HWND_DESKTOP );
xorpres = _wpi_createcompatiblepres( pres, Instance, &xormemdc );
andpres = _wpi_createcompatiblepres( pres, Instance, &andmemdc );
_wpi_releasepres( HWND_DESKTOP, pres );
oldxor = _wpi_selectobject( xorpres, node->hxorbitmap );
oldand = _wpi_selectobject( andpres, node->handbitmap );
_wpi_getwrectvalues( clear_area, &left, &top, &right, &bottom );
width = _wpi_getwidthrect( clear_area );
height = _wpi_getheightrect( clear_area );
_wpi_patblt( xorpres, left, top, width, height, WHITENESS );
_wpi_patblt( andpres, left, top, width, height, BLACKNESS );
_wpi_selectobject( xorpres, oldxor );
_wpi_selectobject( andpres, oldand );
_wpi_deletecompatiblepres( xorpres, xormemdc );
_wpi_deletecompatiblepres( andpres, andmemdc );
InvalidateRect( node->viewhwnd, NULL, TRUE );
RecordImage( node->hwnd );
BlowupImage( node->hwnd, NULL );
PrintHintTextByID( WIE_AREACLEARED, NULL );
} /* ClearImage */
/*
* RepaintDrawArea - handles the WM_PAINT message.
*/
void RepaintDrawArea( HWND hwnd )
{
WPI_PRES pres;
PAINTSTRUCT ps;
if (hwnd) {
pres = _wpi_beginpaint( hwnd, NULL, &ps );
BlowupImage( hwnd, pres );
_wpi_endpaint( hwnd, pres, &ps );
}
} /* RepaintDrawArea */
/*
* TransferImage - transfer the image in the outlined box to the view window
*/
void TransferImage( HWND hwnd )
{
POINT topleft_desk;
HDC hdc;
HDC memdc;
HBITMAP oldbitmap;
img_node *node;
#ifdef __NT__
SetDeskTopHook( NULL );
#endif
redrawPrevRegion();
GetCursorPos( &topleft_desk );
node = SelectImage( hwnd );
hdc = GetDC( NULL );
memdc = CreateCompatibleDC( hdc );
oldbitmap = SelectObject( memdc, node->handbitmap );
PatBlt( memdc, topLeft.x, topLeft.y, snapWidth, snapHeight, BLACKNESS );
SelectObject( memdc, node->hxorbitmap );
BitBlt( memdc, topLeft.x, topLeft.y, snapWidth, snapHeight, hdc,
topleft_desk.x, topleft_desk.y, SRCCOPY );
ReleaseDC( NULL, hdc );
SelectObject( memdc, oldbitmap );
DeleteDC( memdc );
ReleaseCapture();
ShowWindow( HMainWindow, previousState );
#ifdef __NT__
DestroyWindow( deskTopWindow );
#else
InvalidateRect( node->viewhwnd, NULL, FALSE );
#endif
RecordImage( hwnd );
SetToolType( prevToolType );
if( !DoKeepRect() ) {
SetRectExists( FALSE );
} else {
SetRectExists( rectExists );
}
#ifndef __NT__
BlowupImage( node->hwnd, NULL );
#endif
SetCursor( prevCursor );
PrintHintTextByID( WIE_BMPSNAPPEDFROMDSKTOP, NULL );
} /* TransferImage */
/*
* FillArea - Fills the area.
*/
void FillArea( WPI_POINT *pt, int mousebutton )
{
WPI_POINT devicept;
COLORREF colour;
wie_clrtype type;
img_node *node;
devicept.x = pt->x / pointSize.x;
devicept.y = pt->y / pointSize.y;
colour = GetSelectedColour( mousebutton, NULL, &type );
FillXorAnd(colour, &devicept, type);
node = GetCurrentNode();
InvalidateRect( node->viewhwnd, NULL, FALSE );
BlowupImage( node->hwnd, NULL );
#ifdef __OS2_PM__
currentMouseButton = currentMouseButton; // just to suppres complaints
#endif
} /* FillArea */
/*
* ShiftImage - shift the image in the given direction
*/
void ShiftImage( WORD shiftdirection )
{
HBITMAP dup_and;
HBITMAP dup_xor;
HBITMAP oldbitmap;
HBITMAP oldsrcbitmap;
WPI_PRES pres;
HDC memdc;
WPI_PRES mempres;
HDC srcdc;
WPI_PRES srcpres;
short x_src;
short y_src;
short x_dest;
short y_dest;
short width;
short height;
short min_width;
short min_height;
short rgn_width;
short rgn_height;
img_node *node;
WPI_RECT rect;
IMGED_DIM left;
IMGED_DIM right;
IMGED_DIM top;
IMGED_DIM bottom;
DWORD message;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
dup_and = DuplicateBitmap( node->handbitmap );
dup_xor = DuplicateBitmap( node->hxorbitmap );
pres = _wpi_getpres( HWND_DESKTOP );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
srcpres = _wpi_createcompatiblepres( pres, Instance, &srcdc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( mempres );
_wpi_torgbmode( srcpres );
if( DoesRectExist( &rect ) ) {
width = (short)_wpi_getwidthrect( rect );
height = (short)_wpi_getheightrect( rect );
} else {
_wpi_setwrectvalues( &rect, 0, 0, node->width, node->height );
width = node->width;
height = node->height;
}
_wpi_getwrectvalues( rect, &left, &top, &right, &bottom );
oldbitmap = _wpi_selectobject( mempres, node->handbitmap );
_wpi_patblt( mempres, left, top, width, height, BLACKNESS );
_wpi_selectobject( mempres, oldbitmap );
oldbitmap = _wpi_selectobject( mempres, node->hxorbitmap );
_wpi_patblt( mempres, left, top, width, height, WHITENESS );
oldsrcbitmap = _wpi_selectobject( srcpres, dup_xor );
x_src = (short)left;
y_src = (short)top;
x_dest =(short)left;
y_dest = (short)top;
min_width = (short)min( ImgedConfigInfo.shift, width );
min_height = (short)min( ImgedConfigInfo.shift, height );
rgn_width = width;
rgn_height = height;
switch( shiftdirection ) {
case IMGED_LEFT:
width -= min_width;
x_src = x_src + min_width;
message = WIE_IMAGESHIFTEDLEFT;
break;
case IMGED_RIGHT:
width -= min_width;
x_dest = x_dest + min_width;
message = WIE_IMAGESHIFTEDRIGHT;
break;
case IMGED_UP:
#ifndef __OS2_PM__
height -= min_height;
y_src = y_src + min_height;
#else
height += min_height;
y_src = y_src - min_height;
#endif
message = WIE_IMAGESHIFTEDUP;
break;
case IMGED_DOWN:
#ifndef __OS2_PM__
height -= min_height;
y_dest = y_dest + min_height;
#else
height += min_height;
y_dest = y_dest - min_height;
#endif
message = WIE_IMAGESHIFTEDDOWN;
break;
default:
break;
}
_wpi_bitblt( mempres, x_dest, y_dest, width, height, srcpres, x_src, y_src, SRCCOPY );
_wpi_selectobject( srcpres, oldsrcbitmap );
oldsrcbitmap = _wpi_selectobject( srcpres, dup_and );
_wpi_selectobject( mempres, oldbitmap );
oldbitmap = _wpi_selectobject( mempres, node->handbitmap );
_wpi_bitblt( mempres, x_dest, y_dest, width, height, srcpres, x_src, y_src, SRCCOPY );
if( IsShiftWrap() ) {
switch( shiftdirection ) {
case IMGED_LEFT:
width = min_width;
x_src = (short)left;
x_dest = (short)(right - width);
break;
case IMGED_RIGHT:
width = min_width;
x_dest = (short)left;
x_src = (short)(right - width);
break;
case SHIFT_UP:
height = min_height;
y_src = (short)top;
y_dest = (short)(bottom - height);
break;
case SHIFT_DOWN:
height = min_height;
y_dest = (short)top;
y_src = (short)(bottom - height);
break;
default:
break;
}
_wpi_bitblt( mempres, x_dest, y_dest, width, height, srcpres,
x_src, y_src, SRCCOPY );
_wpi_selectobject( srcpres, oldsrcbitmap );
_wpi_selectobject( mempres, oldbitmap );
oldsrcbitmap = _wpi_selectobject( srcpres, dup_xor );
oldbitmap = _wpi_selectobject( mempres, node->hxorbitmap );
_wpi_bitblt( mempres, x_dest, y_dest, width, height, srcpres,
x_src, y_src, SRCCOPY );
}
_wpi_selectobject( srcpres, oldsrcbitmap );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( srcpres, srcdc );
_wpi_deletecompatiblepres( mempres, memdc );
_wpi_deleteobject( dup_xor );
_wpi_deleteobject( dup_and );
RecordImage( node->hwnd );
BlowupImage( node->hwnd, NULL );
InvalidateRect( node->viewhwnd, NULL, FALSE );
IEPrintAmtText( message, ImgedConfigInfo.shift );
} /* ShiftImage */
/*
* clipIntoArea - clip the bitmaps into the area when rotating
*/
static void clipIntoArea( img_node *node, WPI_RECT *rect,
HBITMAP rotxorbmp, HBITMAP rotandbmp )
{
WPI_PRES pres;
WPI_PRES xorpres;
HDC xordc;
WPI_PRES andpres;
HDC anddc;
WPI_PRES rotxorpres;
HDC rotxordc;
WPI_PRES rotandpres;
HDC rotanddc;
HBITMAP oldxor;
HBITMAP oldand;
HBITMAP oldxorrot;
HBITMAP oldandrot;
short width;
short height;
WPI_POINT centre_pt;
WPI_POINT topleft;
short start_x;
short start_y;
short new_width;
short new_height;
IMGED_DIM left;
IMGED_DIM right;
IMGED_DIM top;
IMGED_DIM bottom;
width = (short)_wpi_getwidthrect( *rect );
height = (short)_wpi_getheightrect( *rect );
/*
* PM NOTE: We use getwrectvalues so that 'topleft' can really be
* replace with 'bottomleft' (which is our origin for blitting in PM).
* Hence the value of 'top' is really the bottom of our rectangle.
*/
_wpi_getwrectvalues( *rect, &left, &top, &right, &bottom );
centre_pt.x = (width / 2) + left;
centre_pt.y = (height / 2) + top;
topleft.x = __max( left, centre_pt.x - centre_pt.y + top );
topleft.y = __max( top, centre_pt.y - centre_pt.x + left );
if( topleft.x == left ) {
start_x = (short)(left - (centre_pt.x - centre_pt.y + top));
new_width = width;
} else {
start_x = 0;
new_width = height;
}
if( topleft.y == top ) {
start_y = (short)(top - (centre_pt.y - centre_pt.x + left));
new_height = height;
} else {
start_y = 0;
new_height = width;
}
pres = _wpi_getpres( HWND_DESKTOP );
xorpres = _wpi_createcompatiblepres( pres, Instance, &xordc );
andpres = _wpi_createcompatiblepres( pres, Instance, &anddc );
rotxorpres = _wpi_createcompatiblepres( pres, Instance, &rotxordc );
rotandpres = _wpi_createcompatiblepres( pres, Instance, &rotanddc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( xorpres );
_wpi_torgbmode( andpres );
_wpi_torgbmode( rotxorpres );
_wpi_torgbmode( rotandpres );
oldxor = _wpi_selectobject( xorpres, node->hxorbitmap );
oldand = _wpi_selectobject( andpres, node->handbitmap );
oldxorrot = _wpi_selectobject( rotxorpres, rotxorbmp );
oldandrot = _wpi_selectobject( rotandpres, rotandbmp );
_wpi_patblt( xorpres, left, top, width, height, WHITENESS );
_wpi_patblt( andpres, left, top, width, height, BLACKNESS );
_wpi_bitblt( xorpres, topleft.x, topleft.y, new_width, new_height,
rotxorpres, start_x, start_y, SRCCOPY );
_wpi_bitblt( andpres, topleft.x, topleft.y, new_width, new_height,
rotandpres, start_x, start_y, SRCCOPY );
_wpi_selectobject( xorpres, oldxor );
_wpi_selectobject( andpres, oldand );
_wpi_selectobject( rotxorpres, oldxorrot );
_wpi_selectobject( rotandpres, oldandrot );
_wpi_deletecompatiblepres( xorpres, xordc );
_wpi_deletecompatiblepres( andpres, anddc );
_wpi_deletecompatiblepres( rotxorpres, rotxordc );
_wpi_deletecompatiblepres( rotandpres, rotanddc );
InvalidateRect( node->viewhwnd, NULL, TRUE );
RecordImage( node->hwnd );
BlowupImage( node->hwnd, NULL );
} /* clipIntoArea */
/*
* stretchIntoArea - stretch the rotated image into the area specified
*/
static void stretchIntoArea( img_node *node, WPI_RECT *rect,
HBITMAP rotxorbmp, HBITMAP rotandbmp )
{
WPI_PRES pres;
WPI_PRES xorpres;
HDC xordc;
WPI_PRES andpres;
HDC anddc;
WPI_PRES rotxorpres;
HDC rotxordc;
WPI_PRES rotandpres;
HDC rotanddc;
HBITMAP oldxor;
HBITMAP oldand;
HBITMAP oldxorrot;
HBITMAP oldandrot;
short width;
short height;
IMGED_DIM left;
IMGED_DIM right;
IMGED_DIM bottom;
IMGED_DIM top;
width = (short)_wpi_getwidthrect( *rect );
height = (short)_wpi_getheightrect( *rect );
_wpi_getwrectvalues( *rect, &left, &top, &right, &bottom );
pres = _wpi_getpres( HWND_DESKTOP );
xorpres = _wpi_createcompatiblepres( pres, Instance, &xordc );
andpres = _wpi_createcompatiblepres( pres, Instance, &anddc );
rotxorpres = _wpi_createcompatiblepres( pres, Instance, &rotxordc );
rotandpres = _wpi_createcompatiblepres( pres, Instance, &rotanddc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( xorpres );
_wpi_torgbmode( andpres );
_wpi_torgbmode( rotxorpres );
_wpi_torgbmode( rotandpres );
oldxor = _wpi_selectobject( xorpres, node->hxorbitmap );
oldand = _wpi_selectobject( andpres, node->handbitmap );
oldxorrot = _wpi_selectobject( rotxorpres, rotxorbmp );
oldandrot = _wpi_selectobject( rotandpres, rotandbmp );
_wpi_setstretchbltmode( xorpres, STRETCH_COLOR );
_wpi_stretchblt( xorpres, left, top, width, height, rotxorpres, 0, 0,
height, width, SRCCOPY );
_wpi_setstretchbltmode( andpres, STRETCH_COLOR );
_wpi_stretchblt( andpres, left, top, width, height, rotandpres, 0, 0,
height, width, SRCCOPY );
_wpi_selectobject( xorpres, oldxor );
_wpi_selectobject( andpres, oldand );
_wpi_selectobject( rotxorpres, oldxorrot );
_wpi_selectobject( rotandpres, oldandrot );
_wpi_deletecompatiblepres( xorpres, xordc );
_wpi_deletecompatiblepres( andpres, anddc );
_wpi_deletecompatiblepres( rotxorpres, rotxordc );
_wpi_deletecompatiblepres( rotandpres, rotanddc );
InvalidateRect( node->viewhwnd, NULL, TRUE );
RecordImage( node->hwnd );
BlowupImage( node->hwnd, NULL );
} /* stretchIntoArea */
/*
* DisplayRegion - Draws the region (rectangle or ellipse) first in the view
* window, then in the draw area.
*/
void DisplayRegion( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt, int mousebutton )
{
COLORREF colour;
COLORREF dithered;
COLORREF solid;
WPI_POINT imgstart_pt;
WPI_POINT imgend_pt;
WPI_RECT rect;
BOOL dofillrgn;
BOOL is_rect;
wie_clrtype type;
img_node *node;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
imgstart_pt.x = min(start_pt->x / pointSize.x, end_pt->x / pointSize.x);
imgend_pt.x = max(start_pt->x / pointSize.x, end_pt->x / pointSize.x);
#ifdef __OS2_PM__
imgstart_pt.y = max(start_pt->y / pointSize.y, end_pt->y / pointSize.y);
imgend_pt.y = min(start_pt->y / pointSize.y, end_pt->y / pointSize.y) - 1;
#else
imgstart_pt.y = min(start_pt->y / pointSize.y, end_pt->y / pointSize.y);
imgend_pt.y = max(start_pt->y / pointSize.y, end_pt->y / pointSize.y) + 1;
#endif
imgend_pt.x += 1;
dithered = GetSelectedColour(mousebutton, &solid, &type);
switch (toolType) {
case IMGED_RECTO:
dofillrgn = FALSE;
is_rect = TRUE;
colour = solid;
break;
case IMGED_RECTF:
dofillrgn = TRUE;
is_rect = TRUE;
colour = dithered;
break;
case IMGED_CIRCLEO:
dofillrgn = FALSE;
is_rect = FALSE;
colour = solid;
break;
case IMGED_CIRCLEF:
dofillrgn = TRUE;
is_rect = FALSE;
colour = dithered;
break;
default:
return;
}
_wpi_setrectvalues(&rect, imgstart_pt.x, imgstart_pt.y, imgend_pt.x,
imgend_pt.y);
if (type == SCREEN_CLR) {
RegionXorAnd(BLACK, WHITE, dofillrgn, &rect, is_rect);
} else if (type == INVERSE_CLR) {
RegionXorAnd(WHITE, WHITE, dofillrgn, &rect, is_rect);
} else {
RegionXorAnd(colour, BLACK, dofillrgn, &rect, is_rect);
}
node = GetCurrentNode();
InvalidateRect( node->viewhwnd, NULL, FALSE );
BlowupImage( hwnd, NULL );
} /* DisplayRegion */
/*
* ResizeChild - resizes the draw area of the child window.
*/
void ResizeChild( WPI_PARAM2 lparam, HWND hwnd, BOOL firsttime )
{
short min_width;
short width;
short height;
img_node *node;
short x_adjustment;
short y_adjustment;
short new_width;
short new_height;
WPI_POINT point_size;
WPI_POINT max;
HWND frame;
HMENU hmenu;
WPI_RECT rc;
WPI_RECT rect;
frame = _wpi_getframe( hwnd );
width = LOWORD( lparam );
#ifdef __OS2_PM__
height = SHORT2FROMMP( lparam );
#else
height = HIWORD( lparam );
#endif
GetClientRect( hwnd, &rc );
GetWindowRect( hwnd, &rect );
if( frame ) {
GetClientRect( frame, &rc );
GetWindowRect( frame, &rect );
}
max.x = _wpi_getsystemmetrics( SM_CXSCREEN );
max.y = _wpi_getsystemmetrics( SM_CYSCREEN );
x_adjustment = _wpi_getwidthrect( rect ) - _wpi_getwidthrect( rc );
y_adjustment = _wpi_getheightrect( rect ) - _wpi_getheightrect( rc );
#if 1
min_width = MIN_DRAW_WIN_WIDTH;
#else
min_width = (short)(2*_wpi_getsystemmetrics(SM_CXSIZE)) +
x_adjustment +
8; // fudge factor to allow some of title bar to show
#endif
#ifdef __OS2_PM__
++y_adjustment;
#endif
node = SelectImage( hwnd );
if (!node) return;
// the following assumes that max.x >> min_width
point_size.x = min( max.x / node->width, width / node->width );
point_size.x = max( min_width / node->width + 1, point_size.x );
point_size.y = min( max.y / node->height, height / node->height );
point_size.y = max( 1, point_size.y );
if( ImgedConfigInfo.square_grid ) {
point_size.x = min( point_size.x, point_size.y );
if( point_size.x < ( min_width / node->width + 1 ) ) {
point_size.x = min_width / node->width + 1;
}
if( point_size.x > ( max.y / node->height ) ) {
hmenu = GetMenu( _wpi_getframe(HMainWindow) );
CheckSquareGrid( hmenu );
} else {
point_size.y = point_size.x;
}
}
new_width = (short)(point_size.x * node->width + x_adjustment);
new_height = (short)(point_size.y * node->height + y_adjustment);
pointSize = point_size;
if( (pointSize.x*node->width != width) ||
(pointSize.y*node->height != height) ) {
SetWindowPos( frame, HWND_TOP, 0, 0, new_width, new_height,
SWP_SIZE | SWP_ZORDER | SWP_NOMOVE | SWP_SHOWWINDOW);
SetGridSize( pointSize.x, pointSize.y );
}
if( !firsttime ) {
BlowupImage( node->hwnd, NULL );
}
} /* ResizeChild */
/*
* simpleRotate - simply rotate the image around the center of the given rectangle
*/
static void simpleRotate( img_node *node, WPI_RECT *rect, HBITMAP rotxorbmp,
HBITMAP rotandbmp, BOOL rectexists )
{
WPI_POINT topleft;
WPI_POINT centre_pt;
WPI_PRES pres;
HDC xordc;
WPI_PRES xorpres;
HDC anddc;
WPI_PRES andpres;
HDC rotxordc;
WPI_PRES rotxorpres;
HDC rotanddc;
WPI_PRES rotandpres;
HBITMAP oldxor;
HBITMAP oldand;
HBITMAP oldxorrot;
HBITMAP oldandrot;
short width;
short height;
WPI_RECT new_rect;
IMGED_DIM left;
IMGED_DIM top;
IMGED_DIM right;
IMGED_DIM bottom;
width = (short)_wpi_getwidthrect( *rect );
height = (short)_wpi_getheightrect( *rect );
/*
* PM NOTE: The rectangle comes in with bottom = yTop and top = yBottom.
* To use the same formula to calculate the center point and top left, we
* use getwrectvalues.
*/
_wpi_getwrectvalues( *rect, &left, &top, &right, &bottom );
centre_pt.x = (width / 2) + left;
centre_pt.y = (height / 2) + top;
topleft.x = centre_pt.x - centre_pt.y + top;
topleft.y = centre_pt.y - centre_pt.x + left;
pres = _wpi_getpres( HWND_DESKTOP );
xorpres = _wpi_createcompatiblepres( pres, Instance, &xordc );
andpres = _wpi_createcompatiblepres( pres, Instance, &anddc );
rotxorpres = _wpi_createcompatiblepres( pres, Instance, &rotxordc );
rotandpres = _wpi_createcompatiblepres( pres, Instance, &rotanddc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( xorpres );
_wpi_torgbmode( andpres );
_wpi_torgbmode( rotxorpres );
_wpi_torgbmode( rotandpres );
oldxor = _wpi_selectobject( xorpres, node->hxorbitmap );
oldand = _wpi_selectobject( andpres, node->handbitmap );
oldxorrot = _wpi_selectobject( rotxorpres, rotxorbmp );
oldandrot = _wpi_selectobject( rotandpres, rotandbmp );
_wpi_getwrectvalues( *rect, &left, &top, &right, &bottom );
_wpi_patblt( xorpres, left, top, width, height, WHITENESS );
_wpi_patblt( andpres, left, top, width, height, BLACKNESS );
_wpi_bitblt( xorpres, topleft.x, topleft.y, height, width, rotxorpres, 0, 0, SRCCOPY );
_wpi_bitblt( andpres, topleft.x, topleft.y, height, width, rotandpres, 0, 0, SRCCOPY );
_wpi_selectobject( xorpres, oldxor );
_wpi_selectobject( andpres, oldand );
_wpi_selectobject( rotxorpres, oldxorrot );
_wpi_selectobject( rotandpres, oldandrot );
_wpi_deletecompatiblepres( xorpres, xordc );
_wpi_deletecompatiblepres( andpres, anddc );
_wpi_deletecompatiblepres( rotxorpres, rotxordc );
_wpi_deletecompatiblepres( rotandpres, rotanddc );
InvalidateRect( node->viewhwnd, NULL, TRUE );
RecordImage( node->hwnd );
if( DoKeepRect() ) {
if( rectexists ) {
_wpi_setwrectvalues( &new_rect, topleft.x, topleft.y,
topleft.x+height, topleft.y + width );
SetDeviceClipRect( &new_rect );
}
} else {
rectexists = rectexists;
new_rect = new_rect;
SetRectExists( FALSE );
}
BlowupImage( node->hwnd, NULL );
} /* simpleRotate */
/*
* WinNewDrawPad - create a new drawing pad for Windows version
*/
HWND WinNewDrawPad( img_node *node )
{
MDICREATESTRUCT mdicreate;
short y_adjustment;
short x_adjustment;
short pad_x;
short pad_y;
int i;
img_node *temp;
POINT origin;
char filename[_MAX_PATH];
HWND drawarea;
HMENU sys_menu;
node->viewhwnd = CreateViewWin( node->width, node->height );
pad_x = 0;
pad_y = 0;
temp = node->nexticon;
for( i = 1; i < node->num_of_images; i++ ) {
temp->viewhwnd = node->viewhwnd;
temp = temp->nexticon;
}
if( node->imgtype == BITMAP_IMG ) {
mdicreate.szClass = DrawAreaClassB;
} else if( node->imgtype == ICON_IMG ) {
mdicreate.szClass = DrawAreaClassI;
} else {
mdicreate.szClass = DrawAreaClassC;
}
GetFnameFromPath( node->fname, filename );
mdicreate.szTitle = filename;
mdicreate.hOwner = Instance;
x_adjustment = (short)(2 * GetSystemMetrics( SM_CXFRAME ));
y_adjustment = (short)(2 * GetSystemMetrics( SM_CYFRAME ) +
GetSystemMetrics( SM_CYCAPTION ) - 1);
origin.x = 0;
origin.y = 0;
FindOrigin( &origin );
CalculateDims( node->width, node->height, &pad_x, &pad_y );
mdicreate.cx = x_adjustment + pad_x;
mdicreate.cy = y_adjustment + pad_y;
mdicreate.x = origin.x;
mdicreate.y = origin.y;
mdicreate.style = WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_VISIBLE |
WS_CLIPSIBLINGS | WS_DLGFRAME | WS_MINIMIZEBOX |
WS_THICKFRAME;
mdicreate.lParam = (LPARAM)(LPVOID)node;
drawarea = (HWND)SendMessage( ClientWindow, WM_MDICREATE, 0,
(LPARAM)(LPVOID)&mdicreate );
if( drawarea != (HWND)NULL ) {
RECT rect;
int w, h;
_wpi_getclientrect( drawarea, &rect );
w = _wpi_getwidthrect( rect );
h = _wpi_getheightrect( rect );
if( w != pad_x || h != pad_y ) {
GetWindowRect( drawarea, &rect );
w = _wpi_getwidthrect( rect ) + (pad_x - w);
h = _wpi_getheightrect( rect ) + (pad_y - h);
SetWindowPos( drawarea, HWND_TOP, 0, 0, w, h,
SWP_SIZE | SWP_NOZORDER | SWP_NOMOVE );
}
}
if( ImgedIsDDE ) {
sys_menu = GetSystemMenu( drawarea, FALSE );
if( sys_menu != (HMENU)NULL ) {
EnableMenuItem( sys_menu, SC_CLOSE, MF_GRAYED );
}
}
BlowupImage( NULL, NULL );
return( drawarea );
} /* WinNewDrawPad */
/*
* PasteImage - paste the image in the clipboard at the current point
* - first check to see if the image was cut/copied from our program
* - if it was, then we use the hXorClipped and hAndClipped bitmaps
* we created in order to preserve the screen colors if ther were used
* - otherwise, just copy from the clipboard
*/
void PasteImage( WPI_POINT *pt, WPI_POINT pointsize, HWND hwnd )
{
HBITMAP hbitmap;
HBITMAP hbitmapdup;
HBITMAP holddup;
HBITMAP oldbitmap;
HBITMAP oldbitmap2;
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
WPI_PRES clippres;
HDC clipdc;
WPI_RECT client;
WPI_POINT truept;
short width;
short height;
short clipwidth;
short clipheight;
img_node *node;
int fstretchbmp;
int bm_width, bm_height;
WPI_RECTDIM left;
WPI_RECTDIM right;
WPI_RECTDIM top;
WPI_RECTDIM bottom;
WPI_RECTDIM client_l;
WPI_RECTDIM client_r;
WPI_RECTDIM client_t;
WPI_RECTDIM client_b;
#ifdef __OS2_PM__
int src_y, dest_y;
#endif
if( fEnableCutCopy ) {
_wpi_getwrectvalues( clipRect.rect, &left, &top, &right, &bottom );
truept.x = left;
truept.y = top;
fstretchbmp = StretchPastedImage();
} else {
truept.x = pt->x / pointsize.x;
truept.y = pt->y / pointsize.y;
fstretchbmp = -1;
}
node = SelectImage( hwnd );
pres = _wpi_getpres( node->viewhwnd );
if( _wpi_getclipboardowner( Instance ) == HMainWindow && node->imgtype != BITMAP_IMG ) {
_wpi_getbitmapdim( hAndClipped, &bm_width, &bm_height );
GetClientRect( node->hwnd, &client );
if( fEnableCutCopy ) {
width = (short)_wpi_getwidthrect( clipRect.rect );
height = (short)_wpi_getheightrect( clipRect.rect );
} else {
_wpi_getrectvalues( client, &client_l, &client_t, &client_r, &client_b );
width = (short)( client_r / pointsize.x - truept.x );
if( width > (short)bm_width )
width = (short)bm_width;
height = (short)( client_b / pointsize.y - truept.y );
if( height > (short)bm_height ) {
height = (short)bm_height;
}
}
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_setstretchbltmode( mempres, COLORONCOLOR );
clippres = _wpi_createcompatiblepres( pres, Instance, &clipdc );
oldbitmap = _wpi_selectbitmap( mempres, node->handbitmap );
oldbitmap2 = _wpi_selectbitmap( clippres, hAndClipped );
if( fstretchbmp == FALSE ) {
clipwidth = (short)bm_width;
if( clipwidth > (short)width )
clipwidth = (short)width;
clipheight = (short)bm_height;
if( clipheight > (short)height )
clipheight = (short)height;
_wpi_patblt( mempres, truept.x, truept.y, width, height, BLACKNESS );
_wpi_bitblt( mempres, truept.x, truept.y, clipwidth, clipheight,
clippres, 0, 0, SRCCOPY );
} else if( fstretchbmp == TRUE ) {
_wpi_stretchblt( mempres, truept.x, truept.y, width, height,
clippres, 0, 0, bm_width, bm_height, SRCCOPY);
} else {
_wpi_bitblt( mempres, truept.x, truept.y, width, height, clippres,
0, 0, SRCCOPY );
}
_wpi_getoldbitmap( mempres, oldbitmap );
oldbitmap = _wpi_selectbitmap( mempres, node->hxorbitmap );
hbitmapdup = DuplicateBitmap( hXorClipped );
_wpi_getoldbitmap( clippres, oldbitmap2 );
oldbitmap2 = _wpi_selectbitmap( clippres, hbitmapdup );
if( fstretchbmp == FALSE ) {
clipwidth = (short)bm_width;
if( clipwidth > (short)width )
clipwidth = (short)width;
clipheight = (short)bm_height;
if( clipheight > (short)height )
clipheight = (short)height;
_wpi_patblt( mempres, truept.x, truept.y, width, height, WHITENESS );
#ifdef __OS2_PM__
if( bm_height > height ) {
src_y = bm_height - height;
dest_y = truept.y;
} else {
src_y = 0;
dest_y = truept.y + (height - bm_height);
}
_wpi_bitblt( mempres, truept.x, dest_y, clipwidth, clipheight,
clippres, 0, src_y, SRCCOPY );
#else
_wpi_bitblt( mempres, truept.x, truept.y, clipwidth, clipheight,
clippres, 0, 0, SRCCOPY );
#endif
} else if( fstretchbmp == TRUE ) {
_wpi_stretchblt( mempres, truept.x, truept.y, width, height,
clippres, 0, 0, bm_width, bm_height, SRCCOPY );
} else {
_wpi_bitblt( mempres, truept.x, truept.y, width, height, clippres,
0, 0, SRCCOPY );
}
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_getoldbitmap( clippres, oldbitmap2 );
_wpi_deletebitmap( hbitmapdup );
_wpi_deletecompatiblepres( mempres, memdc );
_wpi_deletecompatiblepres( clippres, clipdc );
} else {
if( node->imgtype != BITMAP_IMG ) {
CleanupClipboard();
}
_wpi_openclipboard( Instance, HMainWindow );
hbitmap = _wpi_getclipboarddata( Instance, CF_BITMAP );
hbitmapdup = DuplicateBitmap( hbitmap );
_wpi_closeclipboard( Instance );
_wpi_getbitmapdim( hbitmapdup, &bm_width, &bm_height );
GetClientRect( node->hwnd, &client );
if( fEnableCutCopy ) {
width = (short)_wpi_getwidthrect( clipRect.rect );
height = (short)_wpi_getheightrect( clipRect.rect );
} else {
_wpi_getrectvalues( client, &client_l, &client_t, &client_r, &client_b );
width = (short)( client_r / pointsize.x - truept.x );
if( width > (short)bm_width )
width = (short)bm_width;
height = (short)( client_b / pointsize.y - truept.y );
if( height > (short)bm_height ) {
height = (short)bm_height;
}
}
clippres = _wpi_createcompatiblepres( pres, Instance, &clipdc );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_setstretchbltmode( mempres, COLORONCOLOR );
holddup = _wpi_selectbitmap( clippres, hbitmapdup );
oldbitmap = _wpi_selectbitmap( mempres, node->hxorbitmap );
if( fstretchbmp == FALSE ) {
clipwidth = (short)bm_width;
if( clipwidth > (short)width )
clipwidth = (short)width;
clipheight = (short)bm_height;
if( clipheight > (short)height )
clipheight = (short)height;
_wpi_patblt( mempres, truept.x, truept.y, width, height, WHITENESS );
#ifdef __OS2_PM__
if( bm_height > height ) {
src_y = bm_height - height;
dest_y = truept.y;
} else {
src_y = 0;
dest_y = truept.y + (height - bm_height);
}
_wpi_bitblt( mempres, truept.x, dest_y, clipwidth, clipheight,
clippres, 0, src_y, SRCCOPY );
#else
_wpi_bitblt( mempres, truept.x, truept.y, clipwidth, clipheight,
clippres, 0, 0, SRCCOPY );
#endif
} else if( fstretchbmp == TRUE ) {
_wpi_stretchblt( mempres, truept.x, truept.y, width, height,
clippres, 0, 0, bm_width, bm_height, SRCCOPY );
} else {
_wpi_bitblt( mempres, truept.x, truept.y, width, height, clippres,
0, 0, SRCCOPY );
}
_wpi_getoldbitmap( clippres, holddup );
_wpi_deletebitmap( hbitmapdup );
_wpi_deletecompatiblepres( clippres, clipdc );
_wpi_getoldbitmap( mempres, oldbitmap );
oldbitmap = _wpi_selectbitmap( mempres, node->handbitmap );
_wpi_patblt( mempres, truept.x, truept.y, width, height, BLACKNESS );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
}
ReleaseCapture();
_wpi_releasepres( node->viewhwnd, pres );
InvalidateRect( node->viewhwnd, NULL, TRUE );
if( !fEnableCutCopy ) {
_wpi_setcursor( prevCursor );
_wpi_destroycursor( pointCursor );
SetToolType( prevToolType );
}
fEnableCutCopy = FALSE;
RecordImage( hwnd );
BlowupImage( NULL, NULL );
PrintHintTextByID( WIE_BITMAPPASTED, NULL );
} /* PasteImage */
/*
* FlipImage - flip the image along either the x-axis or the y-axis
*/
void FlipImage( WORD whichway )
{
img_node *node;
short width;
short height;
short destwidth;
short destheight;
short new_left;
short new_top;
WPI_RECT dims;
HBITMAP xorflip;
HBITMAP oldflip;
HBITMAP oldbitmap;
HBITMAP andflip;
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
WPI_PRES flippres;
HDC flipdc;
HCURSOR prevcursor;
IMGED_DIM bottom;
IMGED_DIM left;
IMGED_DIM right;
IMGED_DIM top;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
PrintHintTextByID( WIE_FLIPPINGIMAGE, NULL );
prevcursor = _wpi_setcursor( _wpi_getsyscursor( IDC_WAIT ) );
if( !DoesRectExist( &dims ) ) {
_wpi_setwrectvalues( &dims, 0, 0, (IMGED_DIM)node->width, (IMGED_DIM)node->height );
}
width = (short)_wpi_getwidthrect( dims );
height = (short)_wpi_getheightrect( dims );
pres = _wpi_getpres( HWND_DESKTOP );
if( node->bitcount == 1 ) {
xorflip = _wpi_createbitmap( width, height, 1, 1, NULL );
} else {
#if 1
xorflip = _wpi_createcompatiblebitmap( pres, width, height );
#else
xorflip = _wpi_createbitmap( width, height, ColorPlanes, BitsPerPixel, NULL );
#endif
}
andflip = _wpi_createbitmap( width, height, 1, 1, NULL );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
flippres = _wpi_createcompatiblepres( pres, Instance, &flipdc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_getrectvalues( dims, &left, &top, &right, &bottom );
_wpi_preparemono( flippres, BLACK, WHITE );
oldbitmap = _wpi_selectobject( mempres, node->hxorbitmap );
oldflip = _wpi_selectobject( flippres, xorflip );
_wpi_bitblt( flippres, 0, 0, width, height, mempres, left, top, SRCCOPY );
_wpi_selectobject( mempres, oldbitmap );
_wpi_selectobject( flippres, oldflip );
oldbitmap = _wpi_selectobject( mempres, node->handbitmap );
oldflip = _wpi_selectobject( flippres, andflip );
_wpi_bitblt( flippres, 0, 0, width, height, mempres, left, top, SRCCOPY );
if( whichway == IMGED_FLIPVERT ) {
destwidth = -1 * width;
new_left = right - 1;
new_top = top;
destheight = height;
} else {
destwidth = width;
new_left = left;
new_top = bottom - 1;
destheight = -1 * height;
}
_wpi_stretchblt( mempres, new_left, new_top, destwidth, destheight,
flippres, 0, 0, width, height, SRCCOPY );
_wpi_selectobject( mempres, oldbitmap );
oldbitmap = _wpi_selectobject( mempres, node->hxorbitmap );
_wpi_selectobject( flippres, oldflip );
oldflip = _wpi_selectobject( flippres, xorflip );
_wpi_stretchblt( mempres, new_left, new_top, destwidth, destheight,
flippres, 0, 0, width, height, SRCCOPY );
_wpi_selectobject( mempres, oldbitmap );
_wpi_selectobject( flippres, oldflip );
_wpi_deleteobject( xorflip );
_wpi_deleteobject( andflip );
_wpi_deletecompatiblepres( mempres, memdc );
_wpi_deletecompatiblepres( flippres, flipdc );
InvalidateRect( node->viewhwnd, NULL, TRUE );
if( !DoKeepRect() ) {
SetRectExists( FALSE );
}
RecordImage( node->hwnd );
BlowupImage( node->hwnd, NULL );
if( whichway == IMGED_FLIPHORZ ) {
PrintHintTextByID( WIE_IMAGEREFLECTEDH, NULL );
} else {
PrintHintTextByID( WIE_IMAGEREFLECTEDV, NULL );
}
_wpi_setcursor( prevcursor );
} /* FlipImage */
