/*
* paintColors - paint the available colors on the color palette
*/
static void paintColors( HWND hwnd )
{
WPI_PRES pres;
WPI_PRES mempres;
HDC hdc;
PAINTSTRUCT ps;
HBITMAP bitmap;
HBITMAP oldbitmap;
pres = _wpi_beginpaint( hwnd, NULL, &ps );
#ifdef __OS2_PM__
WinFillRect( pres, &ps, CLR_PALEGRAY );
#endif
_wpi_torgbmode( pres );
if( numberOfColors == 2 ) {
bitmap = hMonoBitmap;
} else {
bitmap = hColorBitmap;
}
mempres = _wpi_createcompatiblepres( pres, Instance, &hdc );
_wpi_torgbmode( mempres );
oldbitmap = _wpi_selectbitmap( mempres, bitmap );
_wpi_bitblt( pres, 0, 0, CUR_BMP_WIDTH, CUR_BMP_HEIGHT, mempres, 0, 0, SRCCOPY );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, hdc );
_wpi_endpaint( hwnd, pres, &ps );
} /* paintColors */
/*
* redrawViewWnd - process the WM_PAINT message for the view windows
*/
static void redrawViewWnd( HWND hwnd )
{
WPI_PRES pres;
WPI_PRES hps;
WPI_PRES mempres;
HDC memdc;
HBITMAP bitmap;
HBITMAP oldbitmap;
img_node *node;
PAINTSTRUCT ps;
node = SelectFromViewHwnd( hwnd );
if( node == NULL ) {
return;
}
hps = _wpi_beginpaint( hwnd, NULL, &ps );
drawBorder( node );
pres = _wpi_getpres( hwnd );
bitmap = CreateViewBitmap( node );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
oldbitmap = _wpi_selectbitmap( mempres, bitmap );
_wpi_bitblt( pres, BORDER_WIDTH, BORDER_WIDTH, node->width, node->height,
mempres, 0, 0, SRCCOPY );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_deletebitmap( bitmap );
_wpi_deletecompatiblepres( mempres, memdc );
_wpi_releasepres( hwnd, pres );
_wpi_endpaint( hwnd, hps, &ps );
} /* redrawViewWnd */
/*
* paintCurrent - paint the current window (process WM_PAINT)
*/
static void paintCurrent( HWND hwnd )
{
WPI_PRES pres;
WPI_PRES mempres;
HDC hdc;
PAINTSTRUCT ps;
WPI_RECT rect;
HBITMAP oldbitmap;
int top;
int bottom;
pres = _wpi_beginpaint( hwnd, NULL, &ps );
#ifdef __OS2_PM__
WinFillRect( pres, &ps, CLR_PALEGRAY );
#endif
mempres = _wpi_createcompatiblepres( pres, Instance, &hdc );
_wpi_torgbmode( pres );
_wpi_torgbmode( mempres );
oldbitmap = _wpi_selectobject( mempres, lButton.bitmap );
_wpi_bitblt( pres, 0, 0, CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1, mempres,
0, 0, SRCCOPY );
_wpi_selectobject( mempres, oldbitmap );
oldbitmap = _wpi_selectobject( mempres, rButton.bitmap );
_wpi_bitblt( pres, CUR_RCOL_X - 1, 0, CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1,
mempres, 0, 0, SRCCOPY );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, hdc );
_wpi_setbackmode( pres, TRANSPARENT );
_wpi_settextcolor( pres, GetInverseColor( lButton.solid ) );
top = _wpi_cvth_y( CUR_COL_Y, currentHeight );
bottom = _wpi_cvth_y( CUR_COL_Y + CUR_SQR_SIZE, currentHeight );
_wpi_setintwrectvalues( &rect, CUR_LCOL_X, top, CUR_LCOL_X + CUR_SQR_SIZE, bottom );
_wpi_drawtext( pres, "L", 1, &rect, DT_CENTER | DT_SINGLELINE | DT_VCENTER );
_wpi_settextcolor( pres, GetInverseColor( rButton.solid ) );
_wpi_setintwrectvalues( &rect, CUR_RCOL_X, top, CUR_RCOL_X + CUR_SQR_SIZE, bottom );
_wpi_drawtext( pres, "R", 1, &rect, DT_CENTER | DT_SINGLELINE | DT_VCENTER );
_wpi_endpaint( hwnd, pres, &ps );
} /* paintCurrent */
/*
* 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 */
/*
* DuplicateBitmap - produces a duplicate of the bitmap
*/
HBITMAP DuplicateBitmap( HBITMAP hbitmap )
{
HDC srcdc;
WPI_PRES srcpres;
HDC destdc;
WPI_PRES destpres;
WPI_PRES pres;
int width;
int height;
int planes;
int bitspixel;
HBITMAP newbitmap;
HBITMAP oldbitmap;
HBITMAP oldnewbitmap;
_wpi_getbitmapparms( hbitmap, &width, &height, &planes, NULL, &bitspixel );
pres = _wpi_getpres( HWND_DESKTOP );
srcpres = _wpi_createcompatiblepres( pres, Instance, &srcdc );
destpres = _wpi_createcompatiblepres( pres, Instance, &destdc );
_wpi_releasepres( HWND_DESKTOP, pres );
newbitmap = _wpi_createbitmap( width, height, planes, bitspixel, NULL );
oldbitmap = _wpi_selectobject( srcpres, hbitmap );
oldnewbitmap = _wpi_selectobject( destpres, newbitmap );
_wpi_bitblt( destpres, 0, 0, width, height, srcpres, 0, 0, SRCCOPY );
_wpi_selectobject( srcpres, oldbitmap );
_wpi_selectobject( destpres, oldnewbitmap );
_wpi_deletecompatiblepres( srcpres, srcdc );
_wpi_deletecompatiblepres( destpres, destdc );
return( newbitmap );
} /* DuplicateBitmap */
/*
* CreateViewBitmap - create the bitmap on the screen (with the background
* color as it should be, etc.)
* - the caller is responsible for deleting the bitmap
*/
HBITMAP CreateViewBitmap( img_node *mdi_node )
{
WPI_PRES pres;
WPI_PRES xorandpres;
WPI_PRES mempres;
WPI_PRES freehandpres;
HDC xoranddc;
HDC memdc;
HBITMAP newbitmap;
HBITMAP oldxorandbitmap;
HBITMAP oldbitmap;
HBRUSH brush;
HBRUSH oldbrush;
img_node *node;
COLORREF bkcolor;
if( mdi_node != NULL ) {
node = mdi_node;
} else {
node = GetCurrentNode();
if( node == NULL ) {
return( NULL );
}
}
pres = _wpi_getpres( HWND_DESKTOP );
xorandpres = _wpi_createcompatiblepres( pres, Instance, &xoranddc );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
newbitmap = _wpi_createcompatiblebitmap( pres, node->width, node->height );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( mempres );
_wpi_torgbmode( xorandpres );
bkcolor = GetViewBkColor();
#ifdef __OS2_PM__
_wpi_preparemono( mempres, BLACK, bkcolor );
#endif
oldbitmap = _wpi_selectobject( mempres, newbitmap );
brush = _wpi_createsolidbrush( bkcolor );
oldbrush = _wpi_selectobject( mempres, brush );
_wpi_patblt( mempres, 0, 0, node->width, node->height, PATCOPY );
_wpi_selectobject( mempres, oldbrush );
_wpi_deletebrush( brush );
GetFreeHandPresentationSpaces( NULL, &freehandpres, NULL );
if( freehandpres == (WPI_PRES)NULL ) {
oldxorandbitmap = _wpi_selectobject( xorandpres, node->handbitmap );
_wpi_bitblt( mempres, 0, 0, node->width, node->height,
xorandpres, 0, 0, SRCAND );
_wpi_selectobject( xorandpres, oldxorandbitmap );
} else {
_wpi_bitblt( mempres, 0, 0, node->width, node->height,
freehandpres, 0, 0, SRCAND );
}
GetFreeHandPresentationSpaces( NULL, NULL, &freehandpres );
if( freehandpres == (WPI_PRES)NULL ) {
oldxorandbitmap = _wpi_selectobject( xorandpres, node->hxorbitmap );
_wpi_bitblt( mempres, 0, 0, node->width, node->height,
xorandpres, 0, 0, SRCINVERT );
_wpi_selectobject( xorandpres, oldxorandbitmap );
} else {
_wpi_bitblt( mempres, 0, 0, node->width, node->height,
freehandpres, 0, 0, SRCINVERT );
}
_wpi_deletecompatiblepres( xorandpres, xoranddc );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
return( newbitmap );
} /* CreateViewBitmap */
/*
* IEStretchBlt
*/
static BOOL IEStretchBlt( WPI_PRES hdcDest, int nXOriginDest, int nYOriginDest,
int nWidthDest, int nHeightDest,
WPI_PRES hdcSrc, int nXOriginSrc, int nYOriginSrc,
int nWidthSrc, int nHeightSrc,
DWORD fdwRop, int bitcount )
{
POINT slines;
POINT dlines;
POINT num_strips;
unsigned long linesize;
int x, y;
int sw, sh, dw, dh;
WPI_PRES srcpres;
HDC srcdc;
HBITMAP oldbitmap;
HBITMAP newbitmap;
num_strips.x = nWidthDest / 256;
num_strips.x++;
#if 0
if( nWidthDest > 32 ) {
/* use the version that returns exact bytes needed for bits */
linesize = BITS_INTO_BYTES( (unsigned long)(nWidthDest * bitcount), 1 );
} else {
/* use the version that rounds up to 32 bits */
linesize = BITS_TO_BYTES( (unsigned long)(nWidthDest * bitcount), 1 );
}
#else
/* use the version that rounds up to 32 bits */
linesize = BITS_TO_BYTES( (unsigned long)(nWidthDest * bitcount), 1 );
#endif
num_strips.y = ((unsigned long)nHeightDest * linesize) / (16 * 1024);
num_strips.y++;
if( num_strips.x > nWidthSrc ) {
num_strips.x = nWidthSrc;
} else if( num_strips.x < nWidthSrc ) {
num_strips.x += num_strips.x % 2;
}
if( num_strips.y > nHeightSrc ) {
num_strips.y = nHeightSrc;
} else if( num_strips.y < nHeightSrc ) {
num_strips.y += num_strips.y % 2;
}
slines.x = nWidthSrc / num_strips.x;
dlines.x = ((unsigned long)slines.x * (unsigned long)nWidthDest) /
(unsigned long)nWidthSrc;
slines.y = nHeightSrc / num_strips.y;
dlines.y = ((unsigned long)slines.y * (unsigned long)nHeightDest) /
(unsigned long)nHeightSrc;
srcpres = _wpi_createcompatiblepres( hdcDest, Instance, &srcdc );
newbitmap = _wpi_createcompatiblebitmap( hdcDest, dlines.x, dlines.y );
oldbitmap = _wpi_selectobject( srcpres, newbitmap );
sw = slines.x;
dw = dlines.x;
for( x = 0; slines.x * x <= nWidthSrc; x++ ) {
if( slines.x * x + sw > nWidthSrc ) {
sw = nWidthSrc - x * slines.x;
dw = nWidthDest - x * dlines.x;
}
sh = slines.y;
dh = dlines.y;
for( y = 0; slines.y * y <= nHeightSrc; y++ ) {
if( slines.y * y + sh > nHeightSrc ) {
sh = nHeightSrc - y * slines.y;
dh = nHeightDest - y * dlines.y;
}
_wpi_stretchblt( srcpres, 0, 0, dw, dh, hdcSrc,
nXOriginSrc + slines.x * x, nYOriginSrc + slines.y * y,
sw, sh, fdwRop );
_wpi_bitblt( hdcDest, nXOriginDest + dlines.x * x,
nYOriginDest + dlines.y * y, dw, dh, srcpres, 0, 0, SRCCOPY );
}
}
_wpi_selectobject( srcpres, oldbitmap );
_wpi_deleteobject( newbitmap );
_wpi_deletecompatiblepres( srcpres, srcdc );
return( TRUE );
} /* IEStretchBlt */
/*
* ChangeImageSize - changes the size of the current image being edited
*/
void ChangeImageSize( void )
{
img_node *node;
WPI_DLGPROC dlgproc;
WPI_DLGRESULT button_type;
img_node new_node;
WPI_PRES pres;
HDC srcdc;
WPI_PRES srcpres;
HDC destdc;
WPI_PRES destpres;
HBITMAP oldsrc;
HBITMAP olddest;
int retcode;
WPI_PARAM2 lparam;
WPI_RECT rc;
short new_width;
short new_height;
int y_src;
int y_dest;
char *title;
char *text;
node = GetCurrentNode();
if( node == NULL ) {
return;
}
if( node->imgtype != BITMAP_IMG ) {
return;
}
imgHeight = node->height;
imgWidth = node->width;
dlgproc = _wpi_makedlgprocinstance( ChangeSizeDlgProc, Instance );
button_type = _wpi_dialogbox( HMainWindow, dlgproc, Instance, IMAGESIZE, 0L );
_wpi_freedlgprocinstance( dlgproc );
if( button_type == DLGID_CANCEL ) {
return;
}
if( imgWidth == node->width && imgHeight == node->height ) {
PrintHintTextByID( WIE_IMAGESIZEUNCHANGED, NULL );
return;
}
title = IEAllocRCString( WIE_INFORMATIONTEXT );
text = IEAllocRCString( WIE_RESETUNDOSTACKWARNING );
retcode = _wpi_messagebox( HMainWindow, text, title, MB_YESNO | MB_ICONINFORMATION );
if( text != NULL ) {
IEFreeRCString( text );
}
if( title != NULL ) {
IEFreeRCString( title );
}
if( retcode == WPI_IDNO ) {
return;
}
new_node.width = (short)imgWidth;
new_node.height = (short)imgHeight;
new_node.bitcount = node->bitcount;
new_node.imgtype = BITMAP_IMG;
MakeBitmap( &new_node, TRUE );
pres = _wpi_getpres( HWND_DESKTOP );
srcpres = _wpi_createcompatiblepres( pres, Instance, &srcdc );
destpres = _wpi_createcompatiblepres( pres, Instance, &destdc );
_wpi_releasepres( HWND_DESKTOP, pres );
oldsrc = _wpi_selectbitmap( srcpres, node->hxorbitmap );
olddest = _wpi_selectbitmap( destpres, new_node.hxorbitmap );
if( stretchImage ) {
_wpi_stretchblt( destpres, 0, 0, imgWidth, imgHeight,
srcpres, 0, 0, node->width, node->height, SRCCOPY );
} else {
#ifdef __OS2_PM__
y_src = node->height - imgHeight;
if( y_src < 0 ) {
y_src = 0;
y_dest = imgHeight - node->height;
} else {
y_dest = 0;
}
#else
y_src = 0;
y_dest = 0;
#endif
_wpi_bitblt( destpres, 0, y_dest, node->width, node->height,
srcpres, 0, y_src, SRCCOPY );
}
_wpi_getoldbitmap( srcpres, oldsrc );
oldsrc = _wpi_selectbitmap( srcpres, node->handbitmap );
_wpi_getoldbitmap( destpres, olddest );
olddest = _wpi_selectbitmap( destpres, new_node.handbitmap );
if( stretchImage ) {
_wpi_stretchblt( destpres, 0, 0, imgWidth, imgHeight,
srcpres, 0, 0, node->width, node->height, SRCCOPY );
} else {
_wpi_bitblt( destpres, 0, 0, node->width, node->height, srcpres, 0, 0, SRCCOPY );
}
_wpi_getoldbitmap( srcpres, oldsrc );
_wpi_getoldbitmap( destpres, olddest );
_wpi_deletebitmap( node->hxorbitmap );
_wpi_deletebitmap( node->handbitmap );
_wpi_deletecompatiblepres( srcpres, srcdc );
_wpi_deletecompatiblepres( destpres, destdc );
node->hxorbitmap = new_node.hxorbitmap;
node->handbitmap = new_node.handbitmap;
node->width = (short)imgWidth;
node->height = (short)imgHeight;
SetIsSaved( node->hwnd, FALSE );
ResetUndoStack( node );
RePositionViewWnd( node );
_wpi_getclientrect( node->hwnd, &rc );
new_width = (short)_wpi_getwidthrect( rc );
new_height = (short)_wpi_getheightrect( rc );
lparam = WPI_MAKEP2( new_width, new_height );
ResizeChild( lparam, node->hwnd, false );
DisplayImageText( node );
WriteSetSizeText( WIE_NEWIMAGESIZE, imgWidth, imgHeight );
} /* ChangeImageSize */
/*
* 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 */
/*
* 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 */
void GUIDrawBitmap( int hot_spot, WPI_PRES hdc,
int nDrawX, int nDrawY,
WPI_COLOUR bkcolour)
{
WPI_POINT src_org;
WPI_POINT dst_org;
WPI_POINT size;
WPI_PRES memDC;
HBITMAP old_bmp;
HBITMAP bitmap;
HDC new_hdc;
#ifdef __NT__
HDC new_hdc2;
HBITMAP oldbmp2;
HDC mem2;
COLORREF cr;
#endif
bitmap = GUIHotSpots[hot_spot - 1].bitmap;
size.x = GUIHotSpots[hot_spot - 1].size.x;
size.y = GUIHotSpots[hot_spot - 1].size.y;
src_org.x = 0;
src_org.y = 0;
dst_org.x = nDrawX;
dst_org.y = nDrawY;
_wpi_dptolp( hdc, &size, 1 );
_wpi_dptolp( hdc, &dst_org, 1 );
_wpi_dptolp( hdc, &src_org, 1 );
memDC = _wpi_createcompatiblepres( hdc, GUIMainHInst, &new_hdc );
old_bmp = _wpi_selectbitmap( memDC, bitmap );
#ifdef __NT__
/* Skip transparency for huge bitmaps, only splashes and such... */
if( size.x < 50 && size.y < 50) {
/* New, on WIN32 platforms, use TB_TransparentBlt() */
mem2 = _wpi_createcompatiblepres( hdc, GUIMainHInst, &new_hdc2 );
if( bitmap2 == NULL)
bitmap2 = CreateCompatibleBitmap( hdc, 50, 50 );
oldbmp2 = _wpi_selectbitmap( mem2, bitmap2 );
/* Get background color of bitmap */
/* Expects 0,0 pos in original to be in background/transp. color */
cr = GetPixel(memDC, 0, 0);
/* IMPORTANT: must set required new background color for dest bmp */
// SetBkColor( mem2, GetSysColor(COLOR_BTNFACE) );
SetBkColor( mem2, bkcolour );
TB_TransparentBlt( mem2, src_org.x, src_org.y, size.x, size.y, memDC, cr );
_wpi_bitblt( hdc, dst_org.x, dst_org.y, size.x, size.y, mem2,
src_org.x, src_org.y, SRCCOPY );
/* Clean up */
_wpi_selectbitmap( mem2, oldbmp2 );
_wpi_deletecompatiblepres( mem2, hdc );
} else {
// Normal for large bitmaps...
_wpi_bitblt( hdc, dst_org.x, dst_org.y, size.x, size.y, memDC,
src_org.x, src_org.y, SRCCOPY );
}
#else
_wpi_bitblt( hdc, dst_org.x, dst_org.y, size.x, size.y, memDC,
src_org.x, src_org.y, SRCCOPY );
#endif
if( old_bmp != NULLHANDLE ) {
_wpi_getoldbitmap( memDC, old_bmp );
}
_wpi_deletecompatiblepres( memDC, new_hdc );
}
/*
* copyImageToClipboard - copies the image to the clipboard
*/
static void copyImageToClipboard( short width, short height, img_node *node )
{
HMENU hmenu;
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
WPI_PRES clippres;
HDC clipdc;
HBITMAP hbitmap;
HBITMAP oldbitmap;
HBITMAP oldclipbitmap;
HBITMAP viewbitmap;
WPI_RECTDIM left;
WPI_RECTDIM top;
WPI_RECTDIM right;
WPI_RECTDIM bottom;
int clip_width, clip_height;
CleanupClipboard();
pres = _wpi_getpres( node->viewhwnd );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
clippres = _wpi_createcompatiblepres( pres, Instance, &clipdc );
hbitmap = _wpi_createcompatiblebitmap( pres, width, height );
viewbitmap = CreateViewBitmap( node );
oldbitmap = _wpi_selectbitmap( mempres, viewbitmap );
oldclipbitmap = _wpi_selectbitmap( clippres, hbitmap );
clip_width = _wpi_getwidthrect( clipRect.rect );
clip_height = _wpi_getheightrect( clipRect.rect );
/*
* use getwrectvalues because we want top and left to be our origins
* (i.e. in PM the origin is the bottom)
*/
_wpi_getwrectvalues( clipRect.rect, &left, &top, &right, &bottom );
_wpi_bitblt( clippres, 0, 0, width, height, mempres, left, top, SRCCOPY );
_wpi_openclipboard( Instance, HMainWindow );
_wpi_emptyclipboard( Instance );
_wpi_setclipboarddata( Instance, CF_BITMAP, hbitmap, TRUE );
_wpi_closeclipboard( Instance );
_wpi_getoldbitmap( clippres, oldclipbitmap );
_wpi_deletecompatiblepres( clippres, clipdc );
clippres = _wpi_createcompatiblepres( pres, Instance, &clipdc );
hXorClipped = _wpi_createcompatiblebitmap( pres, width, height );
_wpi_getoldbitmap( mempres, oldbitmap );
oldbitmap = _wpi_selectbitmap( mempres, node->hxorbitmap );
oldclipbitmap = _wpi_selectbitmap( clippres, hXorClipped );
_wpi_bitblt( clippres, 0, 0, width, height, mempres, left, top, SRCCOPY );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_getoldbitmap( clippres, oldclipbitmap );
hAndClipped = _wpi_createcompatiblebitmap( pres, width, height );
oldbitmap = _wpi_selectbitmap( mempres, node->handbitmap );
oldclipbitmap = _wpi_selectbitmap( clippres, hAndClipped );
_wpi_bitblt( clippres, 0, 0, width, height, mempres, left, top, SRCCOPY );
_wpi_getoldbitmap( mempres, oldbitmap );
_wpi_getoldbitmap( clippres, oldclipbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
_wpi_deletecompatiblepres( clippres, clipdc );
_wpi_deletebitmap( viewbitmap );
_wpi_releasepres( node->viewhwnd, pres );
hmenu = GetMenu( _wpi_getframe( HMainWindow ) );
_wpi_enablemenuitem( hmenu, IMGED_PASTE, TRUE, FALSE );
} /* copyImageToClipboard */
/*
* 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 */
WPI_MRESULT CALLBACK GraphWndProc( HWND Wnd,
WPI_MSG message,
WPI_PARAM1 wParam,
WPI_PARAM2 lParam )
//=============================================================
{
WPI_PRES Win_dc;
PAINTSTRUCT ps;
int width, height;
int x, y, t;
int h_minpos, h_maxpos, h_currpos;
int v_minpos, v_maxpos, v_currpos;
WPI_RECTDIM left, top, right, bottom;
WPI_RECT rect;
struct ScrollStruct scroll_info;
LPWDATA w;
HWND frame;
#if defined( __OS2__ )
int wheight;
WPI_RECT wrect;
#endif
w = _GetWindowData( Wnd );
if( w == NULL ) {
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
}
#if defined( __OS2__ )
frame = w->frame;
#else
frame = Wnd;
#endif
switch( message ) {
#if defined( __WINDOWS__ )
case WM_SETFOCUS:
SetFocus( _MainWindow );
case WM_SYSCOMMAND:
case WM_MOUSEACTIVATE:
_MakeWindowActive( w );
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
case WM_KILLFOCUS:
if( ( wParam != NULL) && ( wParam != _MainWindow ) ) {
_ShowWindowActive( NULL, w );
}
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
#else
case WM_FOCUSCHANGE:
case WM_SYSCOMMAND:
_MakeWindowActive( w );
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
#endif
case WM_PAINT:
// Setup
Win_dc = _wpi_beginpaint( Wnd, NULLHANDLE, &ps );
_wpi_torgbmode( Win_dc );
_wpi_getpaintrect( &ps, &rect );
_wpi_getwrectvalues( rect, &left, &top, &right, &bottom );
width = _wpi_getwidthrect( rect );
height = _wpi_getheightrect( rect );
// Copy from the memory dc to the screen
#if defined( __OS2__ )
GetClientRect( Wnd, &wrect );
wheight = _wpi_getheightrect( wrect );
y = _GetPresHeight() - wheight - _BitBlt_Coord.ycoord + top;
#else
y = _BitBlt_Coord.ycoord + top;
#endif
_wpi_bitblt( Win_dc,
left,
top,
width, height,
_Mem_dc,
_BitBlt_Coord.xcoord + left,
y,
SRCCOPY );
//Cleanup
_wpi_endpaint( Wnd, Win_dc, &ps );
break;
#if defined( __OS2__ )
case WM_CLOSE:
WinDestroyWindow( w->frame );
return( 0 );
#endif
case WM_DESTROY:
// free the system resources allocated
if( _Mem_dc ){
_wpi_deletecliprgn( _Mem_dc, _ClipRgn );
_wpi_deletecompatiblepres( _Mem_dc, _Hdc );
if( _Mem_bmp ){
_wpi_deletebitmap( _Mem_bmp );
if( !_IsStockFont() ){
_wpi_f_deletefont( _CurFnt );
}
}
#if defined( __OS2__ )
WinSendMsg( _GetWinMenuHandle(), ( ULONG )MM_DELETEITEM,
MPFROM2SHORT( ( w->handles[0] + DID_WIND_STDIO ), FALSE ), 0 );
#endif
_DestroyAWindow( w );
}
break;
case WM_VSCROLL:
scroll_info = getscrolldata( frame, SB_VERT );
CalPos( &scroll_info, wParam, lParam, &v_currpos, &y );
// Make sure we have to refresh first
if( _BitBlt_Coord.ycoord != y ) {
_BitBlt_Coord.ycoord = y;
_wpi_setscrollpos( frame,
SB_VERT,
v_currpos,
TRUE );
_wpi_invalidaterect( Wnd, NULL, 0 );
_wpi_updatewindow( Wnd );
}
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
case WM_HSCROLL:
scroll_info = getscrolldata( frame, SB_HORZ );
CalPos( &scroll_info, wParam, lParam, &h_currpos, &x );
// make sure we need to refresh first
if( _BitBlt_Coord.xcoord != x ) {
_BitBlt_Coord.xcoord = x;
_wpi_setscrollpos( frame,
SB_HORZ,
h_currpos,
TRUE );
_wpi_invalidaterect( Wnd, NULL, 0 );
_wpi_updatewindow( Wnd );
}
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
case WM_SIZE:
x = _wpi_getsystemmetrics( SM_CXSCREEN );
y = _wpi_getsystemmetrics( SM_CYSCREEN );
_wpi_getscrollrange( frame, SB_VERT, &v_minpos, &v_maxpos );
_wpi_getscrollrange( frame, SB_HORZ, &h_minpos, &h_maxpos );
_wpi_getclientrect( Wnd, &rect );
_wpi_getrectvalues( rect, &left, &top, &right, &bottom );
height = bottom - top + 1;
width = right - left + 1;
if( width >= x ) {
// hide the scroll bar
#if defined( __OS2__ )
WinShowWindow( WinWindowFromID( frame, FID_HORZSCROLL ),
FALSE );
#else
ShowScrollBar( Wnd, SB_HORZ, FALSE );
#endif
_BitBlt_Coord.xcoord = 0;
h_currpos = 0;
} else {
// if the window isn't as big as the device context
// show the scroll bar
t = x - width + 1;
if( x - _BitBlt_Coord.xcoord + 1 < width ) {
_BitBlt_Coord.xcoord = x - width + 1;
}
if( _BitBlt_Coord.xcoord == t ) {
h_currpos = h_maxpos;
} else {
h_currpos = CalScrollAmt( h_maxpos, h_minpos,
_BitBlt_Coord.xcoord,
x, width );
}
#if defined( __OS2__ )
WinShowWindow( WinWindowFromID( frame, FID_HORZSCROLL ),
TRUE );
#else
ShowScrollBar( Wnd, SB_HORZ, 1 );
#endif
}
if( height >= y ) {
// hide the scroll bar
#if defined( __OS2__ )
WinShowWindow( WinWindowFromID( frame, FID_VERTSCROLL ),
FALSE );
#else
ShowScrollBar( Wnd, SB_VERT, 0 );
#endif
_BitBlt_Coord.ycoord = 0;
v_currpos = 0;
} else {
// if the the window isn't as big as the device context
// then show the scroll bar
t = y - height + 1;
if( y - _BitBlt_Coord.ycoord + 1 < height ) {
_BitBlt_Coord.ycoord = t;
}
if( _BitBlt_Coord.ycoord == t ) {
v_currpos = v_maxpos;
} else {
v_currpos = CalScrollAmt( v_maxpos, v_minpos,
_BitBlt_Coord.ycoord,
y, height );
}
#if defined( __OS2__ )
WinShowWindow( WinWindowFromID( frame, FID_VERTSCROLL ),
TRUE );
#else
ShowScrollBar( Wnd, SB_VERT, 1 );
#endif
}
// Adjust the scroll bar thumbs' positions
_wpi_setscrollpos( frame, SB_HORZ, h_currpos, TRUE );
_wpi_setscrollpos( frame, SB_VERT, v_currpos, TRUE );
#if defined( __OS2__ )
Win_dc = WinBeginPaint( Wnd, NULL, &rect );
WinFillRect( Win_dc, &rect, CLR_BLACK );
WinEndPaint( Win_dc );
#endif
_wpi_invalidaterect( Wnd, NULL, 0 );
break;
default:
return( _wpi_defwindowproc( Wnd, message, wParam, lParam ) );
}
return( NULL );
}
/*
* 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 */
void GUIPaint( gui_window *wnd, HWND hwnd, bool isdlg )
{
HDC prev_hdc;
PAINTSTRUCT *prev_ps;
gui_row_num row_num;
PAINTSTRUCT ps;
WPI_RECT fill_area;
#ifdef __OS2_PM__
ULONG flags;
RECTL client;
#endif
isdlg=isdlg;
/* save old state */
prev_hdc = wnd->hdc;
prev_ps = wnd->ps;
/* Setup Paint */
wnd->ps = &ps;
wnd->hdc = _wpi_beginpaint( hwnd, NULLHANDLE, wnd->ps );
_wpi_torgbmode( wnd->hdc );
_wpi_getpaintrect( wnd->ps, &fill_area );
#ifdef __OS2_PM__
fill_area = *(wnd->ps);
if( isdlg ) {
_wpi_inflaterect( GUIMainHInst, &fill_area, 10, 10);
}
WinFillRect( wnd->hdc, &fill_area, GUIGetBack( wnd, GUI_BACKGROUND ) );
#endif
#if defined( __NT__ )
if( isdlg ) {
_wpi_fillrect( wnd->hdc, &fill_area, GUIGetBack( wnd, GUI_BACKGROUND ),
wnd->bk_brush );
}
#endif
if( wnd->font != NULL ) {
wnd->prev_font = _wpi_selectfont( wnd->hdc, wnd->font );
} else {
wnd->prev_font = NULL;
}
/* send paint to app */
GUIGetUpdateRows( wnd, hwnd, &row_num.start, &row_num.num );
if( row_num.num > 0 ) {
GUIEVENTWND( wnd, GUI_PAINT, &row_num );
}
/* finish painting */
if( wnd->prev_font != NULL ) {
_wpi_getoldfont( wnd->hdc, wnd->prev_font );
wnd->prev_font = NULL;
}
#ifdef __OS2_PM__
if( isdlg ) {
flags = DB_AREAATTRS | DB_DLGBORDER;
#ifdef _M_I86
if( WinQueryActiveWindow( HWND_DESKTOP, FALSE ) != hwnd ) {
#else
if( WinQueryActiveWindow( HWND_DESKTOP ) != hwnd ) {
#endif
//if( _wpi_getfocus() != hwnd ) {
flags |= DB_PATINVERT;
}
WinQueryWindowRect( hwnd, &client );
WinDrawBorder( wnd->hdc, &client, 1, 1, 0, 0, flags );
}
#endif
_wpi_endpaint( hwnd, wnd->hdc, wnd->ps );
/* restore old state */
wnd->hdc = prev_hdc;
wnd->ps = prev_ps;
}
#else
// this is some experimental PM stuff
void GUIPaint( gui_window *wnd, HWND hwnd, bool isdlg )
{
HDC prev_hdc;
PAINTSTRUCT *prev_ps;
gui_row_num row_num;
PAINTSTRUCT ps;
PAINTSTRUCT fill_area;
// experimenal stuff
HPS hps;
RECTL client;
LONG width, height;
ULONG flags;
int compat_created;
gui_paint_info *pinfo;
// figure out which paint info to use
if( !isdlg && wnd->root == hwnd ) {
pinfo = &wnd->root_pinfo;
} else {
pinfo = &wnd->hwnd_pinfo;
}
pinfo->in_use++;
compat_created = FALSE;
/* save old state */
prev_hdc = wnd->hdc;
prev_ps = wnd->ps;
if( isdlg ) {
_wpi_getclientrect( hwnd, &client );
} else {
WinQueryWindowRect( hwnd, &client );
}
width = client.xRight - client.xLeft;
height = client.yTop - client.yBottom;
wnd->ps = &ps;
//hps = _wpi_beginpaint( hwnd, pinfo->normal_pres, wnd->ps );
hps = _wpi_beginpaint( hwnd, NULL, wnd->ps );
if( pinfo->compatible_pres == (WPI_PRES)NULL ) {
compat_created = TRUE;
pinfo->compatible_pres = _wpi_createcompatiblepres( hps, GUIMainHInst, &pinfo->compatible_hdc );
pinfo->draw_bmp = _wpi_createcompatiblebitmap( hps, width, height );
pinfo->old_bmp = _wpi_selectbitmap( pinfo->compatible_pres, pinfo->draw_bmp );
}
// the condition is here VERY conservative!!
// its gains have to analyzed
if( compat_created || pinfo->force_count ) {
wnd->hdc = pinfo->compatible_pres;
//wnd->hdc = hps;
_wpi_torgbmode( wnd->hdc );
fill_area = *(wnd->ps);
if( isdlg ) {
_wpi_inflaterect( GUIMainHInst, &fill_area, 10, 10);
}
WinFillRect( wnd->hdc, &fill_area, GUIGetBack( wnd, GUI_BACKGROUND ) );
wnd->prev_font = NULL;
if( wnd->font != NULL ) {
wnd->prev_font = _wpi_selectfont( wnd->hdc, wnd->font );
}
/* send paint to app */
GUIGetUpdateRows( wnd, hwnd, &row_num.start, &row_num.num );
if( row_num.num > 0 ) {
GUIEVENTWND( wnd, GUI_PAINT, &row_num );
}
/* finish painting */
if( wnd->prev_font != NULL ) {
_wpi_getoldfont( wnd->hdc, wnd->prev_font );
wnd->prev_font = NULL;
}
if( pinfo->force_count ) {
//pinfo->force_count--;
}
}
//_wpi_bitblt( hps, client.xLeft, client.yBottom, width, height,
// wnd->hdc, 0, 0, SRCCOPY );
if( pinfo->in_use == 1 ) {
//_wpi_bitblt( hps, client.xLeft, client.yBottom, width, height,
// wnd->hdc, 0, 0, SRCCOPY );
_wpi_bitblt( hps, ps.xLeft, ps.yBottom,
ps.xRight - ps.xLeft,
ps.yTop - ps.yBottom,
wnd->hdc,
ps.xLeft, ps.yBottom,
SRCCOPY );
if( pinfo->delete_when_done ) {
GUIFreePaintHandles( pinfo, TRUE );
}
}
if( isdlg ) {
flags = DB_AREAATTRS | DB_DLGBORDER;
#ifdef _M_I86
if( WinQueryActiveWindow( HWND_DESKTOP, FALSE ) != hwnd ) {
#else
if( WinQueryActiveWindow( HWND_DESKTOP ) != hwnd ) {
#endif
//if( _wpi_getfocus() != hwnd ) {
flags |= DB_PATINVERT;
}
WinQueryWindowRect( hwnd, &client );
WinDrawBorder( hps, &client, 1, 1, 0, 0, flags );
}
_wpi_endpaint( hwnd, hps, wnd->ps );
/* restore old state */
wnd->hdc = prev_hdc;
wnd->ps = prev_ps;
if( pinfo->in_use ) {
pinfo->in_use--;
}
}
#endif
void GUIInvalidatePaintHandles( gui_window *wnd )
{
GUIFreeWndPaintHandles( wnd, FALSE );
}
/*
* 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 */
void _L1GetPic( short x1, short y1, short x2, short y2,
/*===============================*/ struct picture _WCI86HUGE *image )
/* Copy that portion of the screen inside the viewport to the buffer
pointed by 'image'. */
{
short dx; /* width of rectangle in pixels */
short dy; /* height of rectangle in pixels */
short t;
#if defined( _DEFAULT_WINDOWS )
WPI_PRES dc;
short srcy;
#else
short line_len; /* length of each line in bytes */
#if !defined( __386__ )
unsigned short new_off;
#endif
char *tmp;
gr_device _FARD *dev_ptr; /* pointer to _CurrState->deviceptr */
char _WCI86HUGE *pic; /* buffer to store image */
copy_fn *copy; /* pointer to copy routine */
setup_fn *setup;
#endif
if( x1 > x2 ) { // ensure x1 < x2
t = x1;
x1 = x2;
x2 = t;
}
if( y1 > y2 ) { // ensure y1 < y2
t = y1;
y1 = y2;
y2 = t;
}
if( _L0BlockClip( &x1, &y1, &x2, &y2 ) != 0 ) { /* clip image to */
image->picwidth = 0; /* active viewport */
image->picheight = 0;
_ErrorStatus = _GRNOOUTPUT;
return;
}
dx = x2 - x1 + 1; /* row width in pixels */
dy = y2 - y1 + 1; /* height in pixel rows */
image->picwidth = dx; /* save width in image picture */
image->picheight = dy; /* save height in image picture */
#if defined( _DEFAULT_WINDOWS )
dc = _Mem_dc;
// Create a memory DC to put the image in
image->buffer = _wpi_createcompatiblepres( dc, _GetInst(), &( image->pdc ) );
image->bmp = _wpi_createcompatiblebitmap( dc, dx, dy );
if( ( image->buffer == NULL ) || ( image->bmp == NULL ) ) {
_ErrorStatus = _GRINSUFFICIENTMEMORY;
return;
}
_wpi_selectbitmap( image->buffer, image->bmp );
// Transfer the image to a memory DC
#if defined( __OS2__ )
srcy = _wpi_cvth_y( y2, _GetPresHeight() );
#else
srcy = y1;
#endif
_wpi_bitblt( image->buffer, 0, 0, dx, dy, dc, x1, srcy, SRCCOPY );
#else
image->bpp = _CurrState->vc.bitsperpixel; /* save bpp - never used ? */
line_len = _RowLen( dx ); /* width of row in bytes */
_StartDevice();
dev_ptr = _CurrState->deviceptr;
copy = dev_ptr->readrow;
pic = &image->buffer;
tmp = NULL;
setup = dev_ptr->setup;
for( ; y1 <= y2; ++y1 ) { /* copy screen image to buffer */
( *setup )( x1, y1, 0 );
#if !defined( __386__ )
// check whether the entire row will fit in the buffer
new_off = FP_OFF( pic ) + line_len - 1;
if( new_off < FP_OFF( pic ) ) {
if( tmp == NULL ) { // may have been already allocated
if( _stackavail() - line_len > 0x100 ) {
tmp = __alloca( _RoundUp( line_len ) );
}
}
if( tmp != NULL ) {
( *copy )( tmp, _Screen.mem, dx, _Screen.bit_pos, 0 );
for( t = 0; t < line_len; ++t ) {
*pic = tmp[ t ];
++pic; // the PIA function will handle this properly
}
} else {
_ErrorStatus = _GRINSUFFICIENTMEMORY;
pic += line_len;
}
} else {
#endif
( *copy )( pic, _Screen.mem, dx, _Screen.bit_pos, 0 );
pic += line_len;
#if !defined( __386__ )
}
#endif
}
_ResetDevice();
#endif
}
/*
* 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 */
