void GUIResizeToolBar( gui_window *wnd )
{
WPI_RECT rect;
GUI_RECTDIM left, top, right, bottom;
GUI_RECTDIM height;
GUI_RECTDIM t, h;
toolbarinfo *tbar;
tbar = wnd->tbinfo;
if( tbar != NULL ) {
rect = wnd->root_client_rect;
if( wnd->root == NULLHANDLE ) {
rect = wnd->hwnd_client_rect;
}
_wpi_rationalize_rect( &rect );
if( tbar->info.is_fixed ) {
height = _wpi_getheightrect( tbar->fixedrect );
h = _wpi_getheightrect( rect );
_wpi_getrectvalues( rect, &left, &top, &right, &bottom );
t = _wpi_cvth_y_plus1( top, h );
bottom = _wpi_cvth_y_plus1( height, h );
_wpi_setwrectvalues( &tbar->fixedrect, left, t, right, bottom );
t = _wpi_cvth_y_size_plus1( top, h, height );
_wpi_movewindow( ToolBarWindow( tbar->hdl ), left, t, right - left, height, TRUE );
}
}
}
/*
* 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 */
/*
* 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 */
static void SetStatusRect( HWND parent, WPI_RECT *status, int x, int height )
{
WPI_RECT client;
GUI_RECTDIM left, right, top, bottom;
int y, h;
_wpi_getclientrect( parent, &client );
_wpi_getrectvalues( client, &left, &top, &right, &bottom );
y = _wpi_cvth_y_plus1( bottom - height, bottom - top );
h = _wpi_cvth_y_plus1( bottom - top, bottom - top );
_wpi_setwrectvalues( status, x, y, right - left, h );
}
bool GUIXCreateToolBarWithTips( gui_window *wnd, bool fixed, gui_ord height,
int num_toolbar_items, gui_toolbar_struct *toolinfo,
bool excl, gui_colour_set *plain,
gui_colour_set *standout, gui_rect *float_pos,
bool use_tips )
{
gui_coord size;
gui_coord pos;
HWND parent;
HWND toolhwnd;
toolbarinfo *tbar;
int i;
TOOLITEMINFO info;
int fixed_height;
int fixed_width;
int adjust_amount;
int width;
int new_right;
int bm_h;
int bm_w;
GUI_RECTDIM left, top, right, bottom;
int h;
excl = excl;
plain = plain;
standout = standout;
fixed_height = 0;
fixed_width = 0;
if( ( wnd == NULL ) || ( num_toolbar_items < 1 ) || ( toolinfo == NULL ) ||
( wnd->hwnd == NULLHANDLE ) || ( wnd->root == NULLHANDLE ) ) {
return( false );
}
if( wnd->tbinfo != NULL ) {
GUICloseToolBar( wnd );
}
tbar = wnd->tbinfo = (toolbarinfo *)GUIMemAlloc( sizeof( toolbarinfo ) );
if( tbar == NULL ) {
return( false );
}
memset( tbar, 0, sizeof( toolbarinfo ) );
parent = wnd->root;
tbar->fixedrect = wnd->hwnd_client_rect;
tbar->bitmaps = (HBITMAP *)GUIMemAlloc( num_toolbar_items * sizeof( HBITMAP ) );
if( tbar->bitmaps == NULL ) {
GUIMemFree( tbar );
wnd->tbinfo = NULL;
return( false );
}
for( i = 0; i < num_toolbar_items; i++ ) {
tbar->bitmaps[i] = _wpi_loadbitmap( GUIResHInst,
_wpi_makeintresource( toolinfo[i].bitmap ) );
if( height == 0 ) {
_wpi_getbitmapdim( tbar->bitmaps[i], &bm_w, &bm_h );
if( bm_h > fixed_height ) {
fixed_height = bm_h;
}
if( bm_w > fixed_width ) {
fixed_width = bm_w;
}
}
}
tbar->info.border_size.x = BORDER_AMOUNT;
tbar->info.border_size.y = BORDER_AMOUNT;
/* space for border and space before border */
adjust_amount = 2*(_wpi_getsystemmetrics( SM_CYBORDER )+BORDER_AMOUNT);
if( height == 0 ) { /* maintian # of pixels in bitmap */
height = fixed_height + adjust_amount + OUTLINE_AMOUNT;
width = fixed_width + OUTLINE_AMOUNT;
} else {
/* only height of windows given, make bitmaps square */
size.x = 0;
size.y = height - 2;
GUIScaleToScreenR( &size );
height = size.y;
width = size.y;
}
_wpi_getrectvalues( tbar->fixedrect, &left, &top, &right, &bottom );
h = _wpi_getheightrect( tbar->fixedrect );
bottom = _wpi_cvth_y_plus1( height, h );
top = _wpi_cvth_y_plus1( top, h );
_wpi_setwrectvalues( &tbar->fixedrect, left, top, right, bottom );
height -= adjust_amount; /* leaving just button size */
tbar->info.button_size.x = width;
tbar->info.button_size.y = height;
bottom = height + BORDER_AMOUNT * 2 +
_wpi_getsystemmetrics( SM_CYCAPTION ) +
2 * ( _wpi_getsystemmetrics( SM_CYFRAME ) -
_wpi_getsystemmetrics( SM_CYBORDER ) );
bottom = _wpi_cvth_y_plus1( bottom, h );
#ifdef __OS2_PM__
bottom -= 2;
#endif
new_right = width * num_toolbar_items -
(num_toolbar_items - 1) * tbar->info.border_size.x +
left + 2 * _wpi_getsystemmetrics( SM_CXFRAME ) +
BORDER_AMOUNT * 2;
if( new_right < right ) {
right = new_right;
}
_wpi_setwrectvalues( &tbar->floatrect, left, top, right, bottom );
_wpi_mapwindowpoints( parent, HWND_DESKTOP, (WPI_PPOINT)&tbar->floatrect, 2 );
if( fixed ) {
tbar->info.area = tbar->fixedrect;
tbar->info.style = TOOLBAR_FIXED_STYLE;
} else {
if( float_pos != NULL ) {
GUICalcLocation( float_pos, &pos, &size, parent );
_wpi_setwrectvalues( &tbar->floatrect, pos.x, pos.y,
pos.x + size.x, pos.y + size.y );
_wpi_mapwindowpoints( parent, HWND_DESKTOP, (WPI_PPOINT)&tbar->floatrect, 2 );
}
tbar->info.area = tbar->floatrect;
tbar->info.style = TOOLBAR_FLOAT_STYLE;
}
tbar->info.hook = guiToolBarProc;
tbar->info.helphook = guiToolBarHelp;
tbar->info.background = 0;
tbar->info.foreground = 0;
tbar->num = num_toolbar_items;
tbar->info.is_fixed = fixed;
tbar->info.use_tips = use_tips;
tbar->hdl = ToolBarInit( parent );
ToolBarDisplay( tbar->hdl, &tbar->info );
GUIResizeBackground( wnd, true );
for( i = 0; i < num_toolbar_items; i++ ) {
info.u.bmp = tbar->bitmaps[i];
info.id = toolinfo[i].id;
info.flags = 0;
if( use_tips && toolinfo[i].tip != NULL ) {
strncpy( info.tip, toolinfo[i].tip, MAX_TIP );
} else {
info.tip[0] = '\0';
}
ToolBarAddItem( tbar->hdl, &info );
}
toolhwnd = ToolBarWindow( tbar->hdl );
_wpi_showwindow( toolhwnd, SW_SHOWNORMAL );
_wpi_updatewindow( toolhwnd );
return( true );
}
/*
* 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 */
/*
* RotateImage - rotate the image either clockwise or counterclockwise
*/
void RotateImage( WORD whichway )
{
img_node *node;
HBITMAP rotxorbmp;
HBITMAP rotandbmp;
HCURSOR prevcursor;
int rotate_type;
WPI_RECT rotate_rect;
BOOL rectexists;
short new_width;
short new_height;
WPI_PRES pres;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
prevcursor = _wpi_setcursor( _wpi_getsyscursor( IDC_WAIT ) );
PrintHintTextByID( WIE_ROTATINGIMAGE, NULL );
if( DoesRectExist( &rotate_rect ) ) {
rectexists = TRUE;
new_width = (short)_wpi_getheightrect( rotate_rect );
new_height = (short)_wpi_getwidthrect( rotate_rect );
} else {
rectexists = FALSE;
_wpi_setwrectvalues( &rotate_rect, 0, 0,
(IMGED_DIM)node->width, (IMGED_DIM)node->height );
new_width = node->height;
new_height = node->width;
}
if( node->bitcount == 1 ) {
rotxorbmp = _wpi_createbitmap( new_width, new_height, 1, 1, NULL );
} else {
#if 1
pres = _wpi_getpres( HWND_DESKTOP );
rotxorbmp = _wpi_createcompatiblebitmap( pres, new_width, new_height );
_wpi_releasepres( HWND_DESKTOP, pres );
#else
rotxorbmp = _wpi_createbitmap( new_width, new_height, ColorPlanes,
BitsPerPixel, NULL );
#endif
}
rotandbmp = _wpi_createbitmap( new_width, new_height, 1, 1, NULL );
rotateTheImage( node, whichway, &rotate_rect, rotxorbmp, rotandbmp );
rotate_type = GetRotateType();
if( rotate_type == SIMPLE_ROTATE ) {
simpleRotate( node, &rotate_rect, rotxorbmp, rotandbmp, rectexists );
} else if( rotate_type == CLIP_ROTATE ) {
clipIntoArea( node, &rotate_rect, rotxorbmp, rotandbmp );
} else {
stretchIntoArea( node, &rotate_rect, rotxorbmp, rotandbmp );
}
_wpi_deleteobject( rotxorbmp );
_wpi_deleteobject( rotandbmp );
if( whichway == IMGED_ROTATECC ) {
PrintHintTextByID( WIE_IMAGEROTATEDCCW, NULL );
} else {
PrintHintTextByID( WIE_IMAGEROTATEDCW, NULL );
}
_wpi_setcursor( prevcursor );
} /* RotateImage */
/*
* 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 */
/*
* 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 */