/*
* BlowupImage - Stretches 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 ) {
hwnd = hmdiwnd;
} else {
node = GetCurrentNode();
if( !node ) {
return;
}
hwnd = node->hwnd;
}
newbitmap = EnlargeImage( hwnd );
if (!newbitmap) 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); // Redraws 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 */
/*
* SetCurrentNumColors - set the number of colors for this module
*/
void SetCurrentNumColors( int color_count )
{
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
HBITMAP oldbitmap;
numberOfColors = color_count;
pres = _wpi_getpres( HWND_DESKTOP );
_wpi_torgbmode( pres );
if( lButton.bitmap != NULL ) {
_wpi_deletebitmap( lButton.bitmap );
}
if( rButton.bitmap != NULL ) {
_wpi_deletebitmap( rButton.bitmap );
}
if( color_count == 2 ) {
lButton.bitmap = _wpi_createbitmap( CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1,
1, 1, NULL );
rButton.bitmap = _wpi_createbitmap( CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1,
1, 1, NULL );
//} else if( color_count == 16 ) {
} else {
lButton.bitmap = _wpi_createcompatiblebitmap( pres, CUR_SQR_SIZE + 1,
2 * CUR_SQR_SIZE + 1 );
rButton.bitmap = _wpi_createcompatiblebitmap( pres, CUR_SQR_SIZE + 1,
2 * CUR_SQR_SIZE + 1 );
if( firstTime ) {
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_torgbmode( mempres );
oldbitmap = _wpi_selectobject( mempres, lButton.bitmap );
_wpi_patblt( mempres, 0, 0, CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1, BLACKNESS );
_wpi_selectobject( mempres, oldbitmap );
oldbitmap = _wpi_selectobject( mempres, rButton.bitmap );
_wpi_patblt( mempres, 0, 0, CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1, WHITENESS );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
firstTime = false;
}
}
_wpi_releasepres( HWND_DESKTOP, pres );
} /* SetCurrentNumColors */
/*
* RedrawPrevClip - redraw the area if a region has been selected and copied to the
* clipboard OR if a region has been selected and then another is
* selected (without a cut or copy in between)
* - the hwnd parameter indicates which window to draw the clip rect on
* - if the hwnd does not match the one associated with clipRect, we return
*/
void RedrawPrevClip( HWND hwnd )
{
WPI_POINT pointsize;
int prevROP2;
HBRUSH blackbrush;
HBRUSH oldbrush;
HPEN whitepen;
HPEN oldpen;
WPI_PRES pres;
WPI_RECTDIM left;
WPI_RECTDIM top;
WPI_RECTDIM right;
WPI_RECTDIM bottom;
img_node *node;
if( !fEnableCutCopy || !_wpi_iswindow( Instance, hwnd ) || clipRect.hwnd != hwnd ) {
return;
}
pointsize = GetPointSize( hwnd );
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
prevROP2 = _wpi_setrop2( pres, R2_XORPEN );
blackbrush = _wpi_createsolidbrush( BLACK );
oldbrush = _wpi_selectobject( pres, blackbrush );
whitepen = _wpi_createpen( PS_SOLID, 0, WHITE );
oldpen = _wpi_selectobject( pres, whitepen );
_wpi_getrectvalues( clipRect.rect, &left, &top, &right, &bottom );
node = SelectImage( hwnd );
#ifdef __OS2_PM__
_wpi_rectangle( pres, left * pointsize.x + 1, bottom * pointsize.y + 1,
right * pointsize.x, top * pointsize.y );
#else
_wpi_rectangle( pres, left * pointsize.x, top * pointsize.y,
right * pointsize.x, bottom * pointsize.y );
#endif
_wpi_selectobject( pres, oldpen );
_wpi_selectobject( pres, oldbrush );
_wpi_setrop2( pres, prevROP2 );
_wpi_releasepres( hwnd, pres );
_wpi_deleteobject( whitepen );
_wpi_deleteobject( blackbrush );
} /* RedrawPrevClip */
/*
* LineXorAnd - draw the line on the XOR and the AND bitmaps
*/
void LineXorAnd( COLORREF xorcolor, COLORREF andcolor,
WPI_POINT *startpt, WPI_POINT *endpt )
{
HPEN oldpen;
HPEN hpen;
HDC memdc;
WPI_PRES pres;
WPI_PRES mempres;
HBITMAP oldbitmap;
HDC anddc;
anddc = anddc;
pres = _wpi_getpres( HWND_DESKTOP );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( mempres );
hpen = _wpi_createpen( PS_SOLID, 0, xorcolor );
oldpen = _wpi_selectobject( mempres, hpen );
oldbitmap = _wpi_selectobject( mempres, activeImage->hxorbitmap );
_wpi_movetoex( mempres, startpt, NULL );
_wpi_lineto( mempres, endpt );
_wpi_setpixel( mempres, endpt->x, endpt->y, xorcolor );
_wpi_selectobject( mempres, oldpen );
_wpi_deleteobject( hpen );
_wpi_selectobject( mempres, oldbitmap );
if( activeImage->imgtype == BITMAP_IMG ) {
_wpi_deletecompatiblepres( mempres, memdc );
return;
}
hpen = _wpi_createpen( PS_SOLID, 0, andcolor );
oldpen = _wpi_selectobject( mempres, hpen );
oldbitmap = _wpi_selectobject( mempres, activeImage->handbitmap );
_wpi_movetoex( mempres, startpt, NULL );
_wpi_lineto( mempres, endpt );
_wpi_setpixel( mempres, endpt->x, endpt->y, andcolor );
_wpi_selectobject( mempres, oldpen );
_wpi_deleteobject( hpen );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, anddc );
} /* LineXorAnd */
/*
* SetScreenClr - set the color to represent the screen
*/
void SetScreenClr( COLORREF screen_color )
{
WPI_PRES pres;
pres = _wpi_getpres( HWND_DESKTOP );
_wpi_torgbmode( pres );
screenColor.color = _wpi_getnearestcolor( pres, screen_color );
screenColor.solid_color = screenColor.color;
_wpi_releasepres( HWND_DESKTOP, pres );
inverseColor.color = GetInverseColor( screenColor.color );
inverseColor.solid_color = inverseColor.color;
VerifyCurrentClr( screenColor.color, inverseColor.color );
_wpi_invalidaterect( hScreenWnd, NULL, FALSE );
} /* SetScreenClr */
/*
* writeDataInPieces - writes the xor data for the bitmap in chunks
*/
static bool writeDataInPieces( BITMAPINFO2 *bmi, FILE *fp, img_node *node )
{
WPI_PRES pres;
WPI_PRES mempres;
HDC memdc;
int scanline_count;
int one_scanline_size;
long chunk_size;
int start;
int num_lines;
long byte_count;
BYTE *buffer;
HBITMAP oldbitmap;
pres = _wpi_getpres( HWND_DESKTOP );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_releasepres( HWND_DESKTOP, pres );
oldbitmap = _wpi_selectobject( mempres, node->hxorbitmap );
byte_count = BITS_TO_BYTES( node->bitcount * node->width, node->height );
start = 0;
num_lines = SCANLINE_SIZE;
one_scanline_size = BITS_TO_BYTES( node->width*node->bitcount, 1 );
scanline_count = node->height;
chunk_size = one_scanline_size * num_lines;
while( chunk_size > MAX_CHUNK ) {
chunk_size >>= 1;
num_lines = chunk_size / one_scanline_size;
}
buffer = calloc( chunk_size, sizeof( BYTE ) );
while( scanline_count > num_lines ) {
GpiQueryBitmapBits( mempres, start, num_lines, buffer, bmi );
fwrite( buffer, sizeof( BYTE ), chunk_size, fp );
scanline_count -= num_lines;
start += num_lines;
byte_count -= chunk_size;
}
GpiQueryBitmapBits( mempres, start, scanline_count, buffer, bmi );
fwrite( buffer, sizeof( BYTE ), one_scanline_size * scanline_count, fp );
free( buffer );
_wpi_selectobject( mempres, oldbitmap );
_wpi_deletecompatiblepres( mempres, memdc );
return( true );
} /* writeDataInPieces */
/*
* OutlineLine - outline the line before it is drawn
*/
void OutlineLine( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt,
WPI_POINT *prev_pt, BOOL firsttime )
{
WPI_POINT startpt;
WPI_POINT endpt;
WPI_POINT prevpt;
int prevROP2;
HPEN holdpen;
HPEN hwhitepen;
WPI_PRES pres;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
startpt.x = MAKELOGPTX( start_pt->x ) + pointSize.x / 2;
startpt.y = MAKELOGPTY( start_pt->y ) + pointSize.y / 2;
endpt.x = MAKELOGPTX( end_pt->x ) + pointSize.x / 2;
endpt.y = MAKELOGPTY( end_pt->y ) + pointSize.y / 2;
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
hwhitepen = _wpi_createpen( PS_SOLID, 0, WHITE );
holdpen = _wpi_selectobject( pres, hwhitepen );
prevROP2 = _wpi_setrop2( pres, R2_XORPEN );
if( !firsttime ) {
CheckBounds( hwnd, prev_pt );
prevpt.x = MAKELOGPTX( prev_pt->x ) + pointSize.x / 2;
prevpt.y = MAKELOGPTY( prev_pt->y ) + pointSize.y / 2;
_wpi_movetoex( pres, &startpt, NULL );
_wpi_lineto( pres, &prevpt );
}
_wpi_movetoex( pres, &startpt, NULL );
_wpi_lineto( pres, &endpt );
_wpi_setrop2( pres, prevROP2 );
_wpi_selectobject( pres, holdpen );
_wpi_deleteobject( hwhitepen );
_wpi_releasepres( hwnd, pres );
} /* OutlineLine */
bool GUIDrawStatusText( gui_window *wnd, const char *text )
{
WPI_PRES pres;
const char *out_text;
if( !GUIHasStatus( wnd) ) {
return( false );
}
pres = _wpi_getpres( wnd->status );
if( ( text == NULL ) || ( *text == '\0' ) ) {
out_text = LIT( Blank );
} else {
out_text = text;
}
StatusWndDrawLine( GUIStatusWnd, pres, wnd->font, out_text, DT_SINGLELINE | DT_VCENTER | DT_LEFT );
_wpi_releasepres( wnd->status, pres );
if( ( text == NULL ) || ( *text == '\0' ) ) {
GUIEVENTWND( wnd, GUI_STATUS_CLEARED, NULL );
}
return( true );
}
/*
* displayColors - display the colors
*/
static void displayColors( HWND hwnd )
{
short i;
WPI_PRES pres;
HWND currentwnd;
inverseColor.color = GetInverseColor( screenColor.color );
currentwnd = _wpi_getdlgitem( hwnd, BK_CURRENT );
pres = _wpi_getpres( currentwnd );
_wpi_torgbmode( pres );
DisplayColorBox( pres, &screenColor );
DisplayColorBox( pres, &inverseColor );
for( i = 0; i < 16; i++ ) {
DisplayColorBox( pres, &availColor[i] );
}
_wpi_releasepres( currentwnd, pres );
} /* displayColors */
/*
* DragClipBitmap - routine to show the clipped bitmap
*/
void DragClipBitmap( HWND hwnd, WPI_POINT *newpt, WPI_POINT pointsize )
{
int prevROP2;
HBRUSH hbrush;
HBRUSH holdbrush;
HPEN hwhitepen;
HPEN holdpen;
WPI_PRES pres;
pres = _wpi_getpres( hwnd );
if( pres == (HDC)NULL ) {
return;
}
prevROP2 = _wpi_setrop2( pres, R2_XORPEN );
hbrush = _wpi_createsolidbrush( CLR_BLACK );
holdbrush = _wpi_selectobject( pres, hbrush );
hwhitepen = _wpi_createpen( PS_SOLID, 0, CLR_WHITE );
holdpen = _wpi_selectobject( pres, hwhitepen );
if( !firstTime ) {
_wpi_rectangle( pres, prevPoint.x * pointsize.x, prevPoint.y * pointsize.y,
prevPoint.x * pointsize.x + dragWidth,
prevPoint.y * pointsize.y + dragHeight );
}
_wpi_rectangle( pres, newpt->x * pointsize.x, newpt->y * pointsize.y,
newpt->x * pointsize.x + dragWidth,
newpt->y * pointsize.y + dragHeight );
_wpi_selectobject( pres, holdpen );
_wpi_selectobject( pres, holdbrush );
_wpi_deleteobject( hwhitepen );
_wpi_deleteobject( hbrush );
_wpi_setrop2( pres, prevROP2 );
_wpi_releasepres( hwnd, pres );
memcpy( &prevPoint, newpt, sizeof( WPI_POINT ) );
firstTime = false;
} /* DragClipBitmap */
/*
* 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 */
/*
* 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 */
/*
* 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 */
/*
* 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 */
/*
* EnlargeImage - take an MDI window handle and enlarge the view bitmap
* that goes with it
* - returns a handle to the bitmap
* - the bitmap must be deleted by the calling routine
*/
HBITMAP EnlargeImage( HWND hwnd )
{
WPI_PRES pres;
WPI_PRES srcpres;
WPI_PRES destpres;
HDC srcdc;
HDC destdc;
HBITMAP oldbitmap;
HBITMAP newbitmap;
HBITMAP olddestbitmap;
HBITMAP viewbitmap;
img_node *node;
WPI_RECT rc;
short width;
short height;
int window_width;
int window_height;
BITMAP bm;
node = SelectImage( hwnd );
if( node == NULL ) {
return( NULL );
}
viewbitmap = CreateViewBitmap( node );
_wpi_getclientrect( hwnd, &rc );
/*
* I add this so that if the window's client rect doesn't fit on the
* screen, it will still enlarge to the right size.
*/
window_width = _wpi_getwidthrect( rc );
window_height = _wpi_getheightrect( rc );
if( window_width < node->width ) {
window_width = node->width;
}
if( window_height < node->height ) {
window_height = node->height;
}
pres = _wpi_getpres( HWND_DESKTOP );
srcpres = _wpi_createcompatiblepres( pres, Instance, &srcdc );
destpres = _wpi_createcompatiblepres( pres, Instance, &destdc );
newbitmap = _wpi_createcompatiblebitmap( pres, _wpi_getwidthrect( rc ),
_wpi_getheightrect( rc ) );
_wpi_releasepres( HWND_DESKTOP, pres );
GetObject( newbitmap, sizeof( BITMAP ), &bm );
_wpi_torgbmode( destpres );
_wpi_torgbmode( srcpres );
olddestbitmap = _wpi_selectobject( destpres, newbitmap );
oldbitmap = _wpi_selectobject( srcpres, viewbitmap );
height = node->height;
width = node->width;
IEStretchBlt( destpres, 0, 0, _wpi_getwidthrect( rc ),
_wpi_getheightrect( rc ), srcpres, 0, 0, width, height,
SRCCOPY, bm.bmBitsPixel );
_wpi_selectobject( srcpres, oldbitmap );
_wpi_deletecompatiblepres( srcpres, srcdc );
_wpi_deleteobject( viewbitmap );
_wpi_selectobject( destpres, olddestbitmap );
_wpi_deletecompatiblepres( destpres, destdc );
return( newbitmap );
} /* EnlargeImage */
/*
* 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 */
/*
* OutlineClip - displays the potential region to be clipped to the clip board
*/
void OutlineClip( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt,
WPI_POINT *prev_pt, BOOL firsttime )
{
WPI_RECT newpos;
WPI_RECT oldpos;
short temp;
WPI_PRES pres;
IMGED_DIM left;
IMGED_DIM top;
IMGED_DIM right;
IMGED_DIM bottom;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
CheckBounds( hwnd, prev_pt );
left = (IMGED_DIM)MAKELOGPTX(start_pt->x);
top = (IMGED_DIM)MAKELOGPTY(start_pt->y);
right = (IMGED_DIM)MAKELOGPTX(end_pt->x);
bottom = (IMGED_DIM)MAKELOGPTY(end_pt->y);
if (left > right) {
temp = right;
right = left + pointSize.x;
left = temp;
} else {
right += pointSize.x;
}
if (top > bottom) {
temp = bottom;
bottom = top + pointSize.y;
top = temp;
} else {
bottom += pointSize.y;
}
_wpi_setrectvalues( &newpos, left, top, right, bottom );
left = (IMGED_DIM)MAKELOGPTX( start_pt->x );
top = (IMGED_DIM)MAKELOGPTY( start_pt->y );
right = (IMGED_DIM)MAKELOGPTX( prev_pt->x );
bottom = (IMGED_DIM)MAKELOGPTY( prev_pt->y );
if (left > right) {
temp = right;
right = left + pointSize.x;
left = temp;
} else {
right += pointSize.x;
}
if (top > bottom) {
temp = bottom;
bottom = top + pointSize.y;
top = temp;
} else {
bottom += pointSize.y;
}
_wpi_setrectvalues( &oldpos, left, top, right, bottom );
pres = _wpi_getpres( hwnd );
OutlineRectangle( firsttime, pres, &oldpos, &newpos );
_wpi_releasepres( hwnd, pres );
} /* OutlineClip */
/*
* InitStatusLine - initializes the status line ...
*/
BOOL InitStatusLine( HWND parent )
{
WPI_RECT client;
WPI_RECT rcsize;
status_block_desc sbd[4];
WPI_PRES pres;
char *text;
char next_block[3];
int len;
CreateStatusFont();
sprintf( leftBlock, "%c%c", STATUS_ESC_CHAR, STATUS_FORMAT_LEFT );
sprintf( next_block, "%c%c", STATUS_ESC_CHAR, STATUS_NEXT_BLOCK );
strcpy( nextBlock, next_block );
strcat( nextBlock, leftBlock );
strcpy( hotspotPosition, next_block );
strcat( hotspotPosition, next_block );
strcat( hotspotPosition, leftBlock );
PosText = IEAllocRCString( WIE_STATUSPOSTEXT );
SizeText = IEAllocRCString( WIE_STATUSSIZETEXT );
SetPosText = IEAllocRCString( WIE_STATUSPOSINFO );
if( SetPosText != NULL ) {
PositionText = (char *)MemAlloc( strlen( leftBlock ) +
strlen( SetPosText ) + 20 + 1 );
text = IEAllocRCString( WIE_STATUSSIZEINFO );
if( text != NULL ) {
SetSizeText = (char *)MemAlloc( strlen( SetPosText ) + strlen( text ) + 1 );
if( SetSizeText != NULL ) {
strcpy( SetSizeText, SetPosText );
strcat( SetSizeText, text );
PositionSizeText = (char *)MemAlloc( strlen( leftBlock ) +
strlen( SetSizeText ) + strlen( nextBlock ) + 40 + 1 );
}
IEFreeRCString( text );
}
}
SetHotSpotText = IEAllocRCString( WIE_STATUSHOTSPOTINFO );
if( SetHotSpotText != NULL ) {
HotSpotText = (char *)MemAlloc( strlen( hotspotPosition ) +
strlen( SetHotSpotText ) + 20 + 1 );
}
SetBitmapText = IEAllocRCString( WIE_BITMAPIMAGETEXT );
SetCursorText = IEAllocRCString( WIE_CURSORIMAGETEXT );
SetIconText = IEAllocRCString( WIE_ICONIMAGETEXT );
if( SetBitmapText != NULL && SetCursorText != NULL && SetIconText != NULL ) {
len = max( strlen( SetBitmapText ), strlen( SetCursorText ) );
len = max( len, strlen( SetIconText ) );
len += strlen( imgSizePosition ) + 30 + 1;
ImageText = (char *)MemAlloc( len );
}
StatusWndInit( Instance, (statushook)NULL, sizeof( LPVOID ), NULL );
statusBar = StatusWndStart();
GetClientRect( parent, &client );
#ifdef __OS2_PM__
rcsize.xLeft = -1;
rcsize.xRight = client.xRight + 1;
rcsize.yBottom = -1;
rcsize.yTop = INIT_STATUS_WIDTH - 1;
#else
rcsize.left = -1;
rcsize.right = client.right + 1;
rcsize.bottom = client.bottom + 1;
rcsize.top = client.bottom - INIT_STATUS_WIDTH + 1;
#endif
sbd[0].separator_width = 5;
sbd[0].width = 82;
sbd[0].width_is_percent = 0;
sbd[0].width_is_pixels = 1;
sbd[1].separator_width = 5;
sbd[1].width = 168;
sbd[1].width_is_percent = 0;
sbd[1].width_is_pixels = 1;
sbd[2].separator_width = 5;
sbd[2].width = 255;
sbd[2].width_is_percent = 0;
sbd[2].width_is_pixels = 1;
sbd[3].separator_width = 5;
sbd[3].width = 400;
sbd[3].width_is_percent = 0;
sbd[3].width_is_pixels = 1;
StatusWndSetSeparators( statusBar, 4, &sbd );
strcpy( imgSizePosition, next_block );
strcat( imgSizePosition, next_block );
strcat( imgSizePosition, next_block );
strcat( imgSizePosition, leftBlock );
strcpy( hintTextPosition, next_block );
strcat( hintTextPosition, next_block );
strcat( hintTextPosition, next_block );
strcat( hintTextPosition, next_block );
strcat( hintTextPosition, leftBlock );
statusBarWnd = StatusWndCreate( statusBar, parent, &rcsize, Instance, (LPVOID)NULL );
text = NULL;
if( PosText != NULL && SizeText != NULL ) {
text = (char *)MemAlloc( strlen( PosText ) + strlen( SizeText ) +
strlen( leftBlock ) + strlen( nextBlock ) + 1 );
}
if( text != NULL ) {
sprintf( text, "%s%s%s%s", leftBlock, PosText, nextBlock, SizeText );
pres = _wpi_getpres( statusBarWnd );
StatusWndDrawLine( statusBar, pres, SmallFont, text, -1 );
_wpi_releasepres( statusBarWnd, pres );
MemFree( text );
}
GetWindowRect( statusBarWnd, &rcsize );
StatusWidth = rcsize.bottom - rcsize.top;
return( TRUE );
} /* InitStatusLine */
/*
* 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 */
/*
* 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 */
/*
* rotateTheImage - create the rotated bitmaps
*/
static void rotateTheImage( img_node *node, int whichway, WPI_RECT *rect,
HBITMAP rotxorbmp, HBITMAP rotandbmp )
{
WPI_PRES pres;
WPI_PRES rotxorpres;
HDC rotxordc;
WPI_PRES xorpres;
HDC xordc;
WPI_PRES rotandpres;
HDC rotanddc;
HBITMAP oldandrot;
HBITMAP oldxorrot;
HBITMAP oldxor;
short new_height;
short new_width;
long i;
long amt_done;
long prev_amt;
long total_amt;
long temp;
IMGED_DIM left;
IMGED_DIM top;
IMGED_DIM right;
IMGED_DIM bottom;
int x;
int y;
COLORREF color;
bitmap_bits *xorbits;
bitmap_bits *andbits;
bitmap_bits *rotxorbits;
bitmap_bits *rotandbits;
new_height = (short)_wpi_getwidthrect( *rect );
new_width = (short)_wpi_getheightrect( *rect );
oldxor = NULL;
amt_done = prev_amt = 0L;
total_amt = (long)new_height * (long)new_width;
i = 0L;
_wpi_getwrectvalues( *rect, &left, &top, &right, &bottom );
if( node->imgtype == BITMAP_IMG ) {
pres = _wpi_getpres( HWND_DESKTOP );
xorpres = _wpi_createcompatiblepres( pres, Instance, &xordc );
rotxorpres = _wpi_createcompatiblepres( pres, Instance, &rotxordc );
rotandpres = _wpi_createcompatiblepres( pres, Instance, &rotanddc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( rotxorpres );
_wpi_torgbmode( rotandpres );
oldxorrot = _wpi_selectobject( rotxorpres, rotxorbmp );
oldandrot = _wpi_selectobject( rotandpres, rotandbmp );
_wpi_patblt( rotxorpres, 0, 0, new_width, new_height, WHITENESS );
_wpi_patblt( rotandpres, 0, 0, new_width, new_height, BLACKNESS );
_wpi_selectobject( rotxorpres, oldxorrot );
_wpi_selectobject( rotandpres, oldandrot );
_wpi_deletecompatiblepres( rotandpres, rotanddc );
_imged_getthebits( xorbits, xorpres, node->hxorbitmap, oldxor );
_imged_getthebits( rotxorbits, rotxorpres, rotxorbmp, oldxorrot );
if( whichway == ROTATE_COUNTERCLOCKWISE ) {
for( y = 0; y < new_height; y++ ) {
for( x = 0; x < new_width; x++ ) {
color = _imged_getpixel( xorbits, xorpres, right - y - 1, top + x );
_imged_setpixel( rotxorbits, rotxorpres, x, y, color );
i++;
temp = i * 100;
amt_done = temp / total_amt;
if( amt_done - prev_amt >= 2 ) {
IEPrintRotateAmt( amt_done );
prev_amt = amt_done;
}
}
}
} else {
for( y = 0; y < new_height; y++ ) {
for( x = 0; x < new_width; x++ ) {
color = _imged_getpixel( xorbits, xorpres, left + y, bottom - x - 1 );
_imged_setpixel( rotxorbits, rotxorpres, x, y, color );
i++;
temp = i * 100;
amt_done = temp / total_amt;
if( amt_done - prev_amt >= 2 ) {
IEPrintRotateAmt( amt_done );
prev_amt = amt_done;
}
}
}
}
_imged_freethebits( xorbits, xorpres, node->hxorbitmap, FALSE, oldxor );
_imged_freethebits( rotxorbits, rotxorpres, rotxorbmp, TRUE, oldxorrot );
_wpi_deletecompatiblepres( xorpres, xordc );
_wpi_deletecompatiblepres( rotxorpres, rotxordc );
} else {
// We can use the bits.c routines for icons and cursors.
xorbits = GetTheBits( node->hxorbitmap );
andbits = GetTheBits( node->handbitmap );
rotxorbits = GetTheBits( rotxorbmp );
rotandbits = GetTheBits( rotandbmp );
if( whichway != IMGED_ROTATECC ) {
for( y = 0; y < new_height; y++ ) {
for( x = 0; x < new_width; x++ ) {
color = MyGetPixel( xorbits, right - y - 1, top + x );
MySetPixel( rotxorbits, x, y, color );
color = MyGetPixel( andbits, right - y - 1, top + x );
MySetPixel( rotandbits, x, y, color );
i++;
temp = i * 100;
amt_done = temp / total_amt;
if( amt_done - prev_amt >= 2 ) {
IEPrintRotateAmt( amt_done );
prev_amt = amt_done;
}
}
}
} else {
for( y = 0; y < new_height; y++ ) {
for( x = 0; x < new_width; x++ ) {
color = MyGetPixel( xorbits, left + y, bottom - x - 1 );
MySetPixel( rotxorbits, x, y, color );
color = MyGetPixel( andbits, left + y, bottom - x - 1 );
MySetPixel( rotandbits, x, y, color );
i++;
temp = i * 100;
amt_done = temp / total_amt;
if( amt_done - prev_amt >= 2 ) {
IEPrintRotateAmt( amt_done );
prev_amt = amt_done;
}
}
}
}
FreeTheBits( xorbits, node->hxorbitmap, FALSE );
FreeTheBits( andbits, node->handbitmap, FALSE );
FreeTheBits( rotxorbits, rotxorbmp, TRUE );
FreeTheBits( rotandbits, rotandbmp, TRUE );
}
} /* rotateTheImage */
/*
* 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 */
/*
* DrawSinglePoint - needed for when the mouse button is initially pressed.
*/
void DrawSinglePoint( HWND hwnd, WPI_POINT *pt, short mousebutton )
{
HBRUSH colourbrush;
HBRUSH oldbrush;
HPEN colourpen;
HPEN oldpen;
COLORREF selected_colour;
COLORREF dithered;
short truncated_x;
short truncated_y;
short i;
short j;
WPI_POINT logical_pt;
WPI_RECT rcclient;
short width;
short height;
short wndwidth;
short wndheight;
wie_clrtype type;
WPI_PRES pres;
int brushsize;
BOOL gridvisible;
GetClientRect( hwnd, &rcclient );
wndwidth = _wpi_getwidthrect( rcclient );
wndheight = _wpi_getheightrect( rcclient );
brushsize = ImgedConfigInfo.brush_size;
CheckBounds( hwnd, pt );
gridvisible = ImgedConfigInfo.grid_on && (pointSize.x >= POINTSIZE_MIN &&
pointSize.y >= POINTSIZE_MIN);
if (gridvisible) {
if (toolType == IMGED_BRUSH) {
truncated_x = max(0, (pt->x/pointSize.x - brushsize/2)) * pointSize.x+1;
truncated_y = max(0, (pt->y/pointSize.y - brushsize/2)) * pointSize.y+1;
width = (short)(pointSize.x - 1);
height = (short)(pointSize.y - 1);
/*
* We just have to check that we don't spill over the image dimensions
*/
truncated_x = min(truncated_x, wndwidth-pointSize.x*brushsize+1);
truncated_y = min(truncated_y, wndheight-pointSize.y*brushsize+1);
} else {
truncated_x = ( pt->x / pointSize.x) * pointSize.x + 1;
truncated_y = ( pt->y / pointSize.y) * pointSize.y + 1;
width = (short)(pointSize.x - 1);
height = (short)(pointSize.y - 1);
}
} else {
if (toolType == IMGED_BRUSH) {
truncated_x = max(0, (pt->x / pointSize.x - brushsize/2)) * pointSize.x;
truncated_y = max(0, (pt->y / pointSize.y - brushsize/2)) * pointSize.y;
width = (short)(pointSize.x * brushsize);
height = (short)(pointSize.y * brushsize);
/*
* We just have to check that we don't spill over the image dimensions
*/
truncated_x = min( truncated_x, wndwidth-width );
truncated_y = min( truncated_y, wndheight-width );
} else {
truncated_x = ( pt->x / pointSize.x) * pointSize.x;
truncated_y = ( pt->y / pointSize.y) * pointSize.y;
width = (short)pointSize.x;
height = (short)pointSize.y;
}
}
logical_pt.x = truncated_x / pointSize.x;
logical_pt.y = truncated_y / pointSize.y;
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
dithered = GetSelectedColour(mousebutton, &selected_colour, &type);
colourbrush = _wpi_createsolidbrush( selected_colour );
oldbrush = _wpi_selectobject( pres, colourbrush );
colourpen = _wpi_createpen( PS_SOLID, 0, selected_colour );
oldpen = _wpi_selectobject( pres, colourpen );
if (gridvisible && (toolType == IMGED_BRUSH)) {
for (i=0; i < brushsize; ++i) {
for (j=0; j < brushsize; ++j) {
_wpi_patblt(pres, truncated_x+i*pointSize.x,
truncated_y+j*pointSize.y,
width, height, PATCOPY);
}
}
} else {
_wpi_patblt(pres, truncated_x, truncated_y, width, height, PATCOPY);
}
_wpi_selectobject( pres, oldbrush );
_wpi_selectobject( pres, oldpen );
_wpi_releasepres( hwnd, pres );
_wpi_deleteobject( colourbrush );
_wpi_deleteobject( colourpen );
/*
* draws the points in the view window
*/
if (toolType == IMGED_BRUSH) {
if (type == SCREEN_CLR) {
BrushThePoints(selected_colour, BLACK, WHITE, &logical_pt,
brushsize);
} else if (type == INVERSE_CLR) {
BrushThePoints(selected_colour, WHITE, WHITE, &logical_pt,
brushsize);
} else {
BrushThePoints(selected_colour, selected_colour, BLACK,
&logical_pt, brushsize);
}
} else {
if (type == SCREEN_CLR) {
DrawThePoints(selected_colour, BLACK, WHITE, &logical_pt);
} else if (type == INVERSE_CLR) {
DrawThePoints(selected_colour, WHITE, WHITE, &logical_pt);
} else {
DrawThePoints(selected_colour, selected_colour, BLACK, &logical_pt);
}
}
} /* DrawSinglePoint */
/*
* drawPt - Actually draws the point on the drawing region. (uses LineDDA)
*/
void CALLBACK drawPt( int xpos, int ypos, WPI_PARAM2 lparam )
{
HBRUSH colourbrush;
HBRUSH oldbrush;
HPEN colourpen;
HPEN oldpen;
COLORREF selected_colour;
COLORREF dithered;
short mousebutton;
WPI_PRES pres;
HWND hwnd;
short area_x;
short area_y;
short width;
short height;
short i;
short j;
WPI_POINT pt;
WPI_RECT rcclient;
wie_clrtype type;
int brushsize;
BOOL gridvisible;
hwnd = (HWND)GET_HWND_PARAM2( lparam );
mousebutton = currentMouseButton;
_wpi_getclientrect( hwnd, &rcclient );
brushsize = ImgedConfigInfo.brush_size;
gridvisible = ImgedConfigInfo.grid_on && (pointSize.x >= POINTSIZE_MIN &&
pointSize.y >= POINTSIZE_MIN);
if ((!gridvisible) && (toolType == IMGED_FREEHAND)) {
area_x = xpos * pointSize.x;
area_y = ypos * pointSize.y;
width = (short)pointSize.x;
height = (short)pointSize.y;
} else if ((!gridvisible) && (toolType == IMGED_BRUSH)) {
area_x = max(0, xpos-brushsize/2) * pointSize.x;
area_y = max(0, ypos-brushsize/2) * pointSize.y;
width = (short)(brushsize * pointSize.x);
height = (short)(brushsize * pointSize.y);
/*
* We just have to check that we don't spill over the image dimensions
*/
area_x = min( area_x, _wpi_getwidthrect(rcclient)-width );
area_y = min( area_y, _wpi_getheightrect(rcclient)-width );
} else if ((gridvisible) && (toolType == IMGED_FREEHAND)) {
area_x = xpos * pointSize.x+1;
area_y = ypos * pointSize.y+1;
width = (short)(pointSize.x-1);
height = (short)(pointSize.y-1);
} else {
area_x = max(0, xpos-brushsize/2) * pointSize.x+1;
area_y = max(0, ypos-brushsize/2) * pointSize.y+1;
width = (short)(pointSize.x - 1);
height = (short)(pointSize.y - 1);
/*
* We just have to check that we don't spill over the image dimensions
*/
area_x = min( area_x, _wpi_getwidthrect(rcclient) - pointSize.x *
brushsize+1 );
area_y = min( area_y, _wpi_getheightrect(rcclient) - pointSize.y *
brushsize+1 );
}
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
dithered = GetSelectedColour( mousebutton, &selected_colour, &type );
colourbrush = _wpi_createsolidbrush( selected_colour );
oldbrush = _wpi_selectobject(pres, colourbrush);
colourpen = _wpi_createpen(PS_SOLID, 0, selected_colour);
oldpen = _wpi_selectobject(pres, colourpen);
if (gridvisible && (toolType == IMGED_BRUSH)) {
for (i=0; i < brushsize; ++i) {
for (j=0; j < brushsize; ++j) {
_wpi_patblt(pres, area_x+i*pointSize.x, area_y+j*pointSize.y,
width, height, PATCOPY);
}
}
} else {
_wpi_patblt(pres, area_x, area_y, width, height, PATCOPY);
}
_wpi_selectobject(pres, oldbrush);
_wpi_selectobject(pres, oldpen);
_wpi_releasepres( hwnd, pres );
_wpi_deleteobject( colourbrush );
_wpi_deleteobject( colourpen );
pt.x = area_x / pointSize.x;
pt.y = area_y / pointSize.y;
if (toolType == IMGED_BRUSH) {
if (type == SCREEN_CLR) {
BrushThePoints(selected_colour, BLACK, WHITE, &pt, brushsize);
} else if (type == INVERSE_CLR) {
BrushThePoints(selected_colour, WHITE, WHITE, &pt, brushsize);
} else {
BrushThePoints(selected_colour, selected_colour, BLACK, &pt,
brushsize);
}
} else {
if (type == SCREEN_CLR) {
DrawThePoints(selected_colour, BLACK, WHITE, &pt);
} else if (type == INVERSE_CLR) {
DrawThePoints(selected_colour, WHITE, WHITE, &pt);
} else {
DrawThePoints(selected_colour, selected_colour, BLACK, &pt);
}
}
} /* drawPt */
void GUIFreeWindowMemory( gui_window *wnd, bool from_parent, bool dialog )
{
gui_window *root;
HWND capture;
from_parent = from_parent;
if( ( wnd->hwnd != NULLHANDLE ) && ( GUICurrWnd == wnd ) ) {
capture = _wpi_getcapture();
if( capture == wnd->hwnd ) {
_wpi_releasecapture();
}
}
if( wnd->font != NULL ) {
_wpi_deletefont( wnd->font );
wnd->font = NULL;
}
if( wnd->icon != (WPI_HICON)NULL ) {
_wpi_destroyicon( wnd->icon );
}
GUIFreeColours( wnd );
GUIFreeBKBrush( wnd );
GUIControlDeleteAll( wnd );
GUICloseToolBar( wnd );
GUIFreeHint( wnd );
_wpi_setwindowlongptr( wnd->hwnd, GUI_EXTRA_WORD * EXTRA_SIZE, 0 );
if( wnd->root != NULLHANDLE ) {
_wpi_setwindowlongptr( wnd->root, GUI_EXTRA_WORD * EXTRA_SIZE, 0 );
}
if( !dialog ) {
GUIMDIDelete( wnd );
if( GUICurrWnd == wnd ) {
GUICurrWnd = NULL;
}
GUIFreePopupList( wnd );
}
GUIDeleteFromList( wnd );
/* If the window being deleted was the current window, choose a new
* window to bring to front. Don't do this if the window that's being
* destroyed is being destroyed because it's parent is being destroyed
* (ie never got WM_CLOSE so DOING_CLOSE isn't set).
*/
if( !dialog && ( wnd->flags & DOING_CLOSE ) && ( GUICurrWnd == NULL ) &&
!GUIIsParentADialog( wnd ) ) {
// if the root window has received a WM_DESTROY then just run away
root = GUIGetRootWindow();
if( root && !( root->flags & DOING_DESTROY ) ) {
GUIBringNewToFront( wnd );
}
}
if( wnd->hdc != (WPI_PRES)NULL ) {
_wpi_releasepres( wnd->hwnd, wnd->hdc );
wnd->hdc = NULLHANDLE;
}
#ifdef __OS2_PM__
GUIFreeWndPaintHandles( wnd, true );
if( wnd->root_pinfo.normal_pres != (WPI_PRES)NULL ) {
_wpi_deleteos2normpres( wnd->root_pinfo.normal_pres );
wnd->root_pinfo.normal_pres = (WPI_PRES)NULL;
}
if( wnd->hwnd_pinfo.normal_pres != (WPI_PRES)NULL ) {
_wpi_deleteos2normpres( wnd->hwnd_pinfo.normal_pres );
wnd->hwnd_pinfo.normal_pres = (WPI_PRES)NULL;
}
#endif
GUIMemFree( wnd );
}
/*
* OutlineRegion - displays the potential region (rectangle or ellipse)
* on the draw area.
*/
void OutlineRegion( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt,
WPI_POINT *prev_pt, BOOL firsttime )
{
WPI_POINT topleft;
WPI_POINT bottomright;
WPI_POINT prevtl; // previous top left point
WPI_POINT prevbr; // previous bottom right point
int prevROP2;
HBRUSH hbrush;
HBRUSH holdbrush;
HPEN hwhitepen;
HPEN holdpen;
int temp;
WPI_PRES pres;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
CheckBounds( hwnd, prev_pt );
_wpi_setpoint(&topleft, MAKELOGPTX(start_pt->x), MAKELOGPTY(start_pt->y));
_wpi_setpoint(&bottomright, MAKELOGPTX(end_pt->x), MAKELOGPTY(end_pt->y));
if (topleft.x > bottomright.x) {
temp = (short)bottomright.x;
bottomright.x = topleft.x + pointSize.x;
topleft.x = temp;
} else {
bottomright.x += pointSize.x;
}
if (topleft.y > bottomright.y) {
temp = (int)bottomright.y;
bottomright.y = topleft.y + pointSize.y;
topleft.y = temp;
} else {
bottomright.y += pointSize.y;
}
prevtl.x = MAKELOGPTX( start_pt->x );
prevtl.y = MAKELOGPTY( start_pt->y );
prevbr.x = MAKELOGPTX( prev_pt->x );
prevbr.y = MAKELOGPTY( prev_pt->y );
if (prevtl.x > prevbr.x) {
temp = (int)prevbr.x;
prevbr.x = prevtl.x + pointSize.x;
prevtl.x = temp;
} else {
prevbr.x += pointSize.x;
}
if (prevtl.y > prevbr.y) {
temp = (int)prevbr.y;
prevbr.y = prevtl.y + pointSize.y;
prevtl.y = temp;
} else {
prevbr.y += pointSize.y;
}
++prevtl.x;
++prevtl.y;
++topleft.x;
++topleft.y;
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
prevROP2 = _wpi_setrop2( pres, R2_XORPEN );
hbrush = _wpi_createsolidbrush( BLACK );
hwhitepen = _wpi_createpen( PS_SOLID, 0, WHITE );
holdbrush = _wpi_selectobject( pres, hbrush );
holdpen = _wpi_selectobject( pres, hwhitepen );
if (!firsttime) {
if ((toolType == IMGED_CIRCLEO) || (toolType == IMGED_CIRCLEF)) {
_wpi_ellipse( pres, prevtl.x, prevtl.y, prevbr.x, prevbr.y );
} else {
_wpi_rectangle( pres, prevtl.x, prevtl.y, prevbr.x, prevbr.y );
}
}
if ((toolType == IMGED_CIRCLEO) || (toolType == IMGED_CIRCLEF)) {
_wpi_ellipse( pres, topleft.x, topleft.y, bottomright.x, bottomright.y );
} else {
_wpi_rectangle( pres, topleft.x, topleft.y, bottomright.x, bottomright.y );
}
_wpi_selectobject( pres, holdpen );
_wpi_selectobject( pres, holdbrush );
_wpi_deleteobject( hwhitepen );
_wpi_deleteobject( hbrush );
_wpi_setrop2( pres, prevROP2 );
_wpi_releasepres( hwnd, pres );
} /* OutlineRegion */
/*
* 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 */
/*
* drawBorder - draw the border for the view window
*/
static void drawBorder( img_node *node )
{
WPI_PRES presborder;
HPEN hgraypen;
HPEN hwhitepen;
HPEN hblackpen;
HPEN holdpen;
WPI_RECT rcclient;
HBRUSH hnewbrush;
HBRUSH holdbrush;
HBRUSH nullbrush;
int width;
int height;
#ifndef __NT__
WPI_POINT pt;
#endif
int top;
int bottom;
presborder = _wpi_getpres( node->viewhwnd );
#if defined( __NT__ )
hwhitepen = _wpi_createpen( PS_SOLID, 0, GetSysColor( COLOR_BTNHIGHLIGHT ) );
hblackpen = _wpi_createpen( PS_SOLID, 0, GetSysColor( COLOR_BTNTEXT ) );
#else
hwhitepen = _wpi_createpen( PS_SOLID, 0, CLR_WHITE );
hblackpen = _wpi_createpen( PS_SOLID, 0, CLR_BLACK );
#endif
GetClientRect( node->viewhwnd, &rcclient );
width = _wpi_getwidthrect( rcclient );
height = _wpi_getheightrect( rcclient );
if( node->imgtype != BITMAP_IMG ) {
#if defined( __NT__ )
hgraypen = _wpi_createpen( PS_SOLID, 0, GetSysColor( COLOR_BTNSHADOW ) );
#else
hgraypen = _wpi_createpen( PS_SOLID, 0, CLR_DARKGRAY );
#endif
holdpen = _wpi_selectobject( presborder, hgraypen );
#if defined( __NT__ )
hnewbrush = _wpi_createsolidbrush( GetSysColor( COLOR_BTNFACE ) );
#else
hnewbrush = _wpi_createsolidbrush( CLR_PALEGRAY );
#endif
holdbrush = _wpi_selectobject( presborder, hnewbrush );
top = 0;
bottom = height;
top = _wpi_cvth_y( top, height );
bottom = _wpi_cvth_y( bottom, height );
_wpi_rectangle( presborder, 0, top, width, bottom );
/*
* Draw black border and selected background color in the view window.
*/
_wpi_selectobject( presborder, hblackpen );
_wpi_selectobject( presborder, holdbrush );
_wpi_deleteobject( hnewbrush );
hnewbrush = _wpi_createsolidbrush( bkgroundColor );
_wpi_selectobject( presborder, hnewbrush );
top = BORDER_WIDTH - 1;
bottom = height - BORDER_WIDTH + 1;
top = _wpi_cvth_y( top, height );
bottom = _wpi_cvth_y( bottom, height );
#ifndef __NT__
/*
* Draw the border relative to the size of the object being displayed,
* not the window containing it.
*/
_wpi_rectangle( presborder, BORDER_WIDTH - 1, top,
node->width + BORDER_WIDTH + 1, top + node->height + 2 );
#endif
_wpi_selectobject( presborder, holdbrush );
_wpi_selectobject( presborder, holdpen );
_wpi_deleteobject( hnewbrush );
} else {
#ifdef __OS2_PM__
// I can't seem to get the thick pen to work so I'm using this
// method.
hgraypen = _wpi_createpen( PS_SOLID, 0, CLR_PALEGRAY );
holdpen = _wpi_selectobject( presborder, hgraypen );
hnewbrush = _wpi_createsolidbrush( CLR_PALEGRAY );
holdbrush = _wpi_selectobject( presborder, hnewbrush );
_wpi_rectangle( presborder, 0, 0, width + 1, BORDER_WIDTH + 1 );
_wpi_rectangle( presborder, 0, 0, BORDER_WIDTH + 1, height + 1 );
_wpi_rectangle( presborder, 0, height - BORDER_WIDTH, width + 1, height + 1 );
_wpi_rectangle( presborder, width - BORDER_WIDTH, 0, width + 1, height + 1 );
_wpi_selectobject( presborder, holdbrush );
_wpi_deleteobject( hnewbrush );
_wpi_selectobject( presborder, holdpen );
_wpi_deleteobject( hgraypen );
#else
#if defined( __NT__ )
hgraypen = _wpi_createpen( PS_INSIDEFRAME, BORDER_WIDTH,
GetSysColor( COLOR_BTNFACE ) );
#else
hgraypen = _wpi_createpen( PS_INSIDEFRAME, BORDER_WIDTH, CLR_PALEGRAY );
#endif
holdpen = _wpi_selectobject( presborder, hgraypen );
nullbrush = _wpi_createnullbrush();
holdbrush = _wpi_selectbrush( presborder, nullbrush );
_wpi_rectangle( presborder, 0, 0, rcclient.right, rcclient.bottom );
_wpi_getoldbrush( presborder, holdbrush );
_wpi_selectobject( presborder, holdpen );
_wpi_deleteobject( hgraypen );
_wpi_deletenullbrush( nullbrush );
#endif
nullbrush = _wpi_createnullbrush();
#if defined( __NT__ )
hgraypen = _wpi_createpen( PS_SOLID, 0, GetSysColor( COLOR_BTNSHADOW ) );
#else
hgraypen = _wpi_createpen( PS_SOLID, 0, CLR_DARKGRAY );
#endif
holdbrush = _wpi_selectbrush( presborder, nullbrush );
holdpen = _wpi_selectobject( presborder, hgraypen );
top = 0;
bottom = height;
top = _wpi_cvth_y( top, height );
bottom = _wpi_cvth_y( bottom, height );
_wpi_rectangle( presborder, 0, top, width, bottom );
_wpi_selectobject( presborder, hblackpen );
top = BORDER_WIDTH - 1;
bottom = height - BORDER_WIDTH + 1;
top = _wpi_cvth_y( top, height );
bottom = _wpi_cvth_y( bottom, height );
#ifndef __NT__
/*
* Draw the border relative to the size of the object being displayed,
* not the window containing it.
*/
_wpi_rectangle( presborder, BORDER_WIDTH - 1, top,
node->width + BORDER_WIDTH + 1, top + node->height + 2 );
#endif
_wpi_selectobject( presborder, holdpen );
_wpi_selectbrush( presborder, holdbrush );
_wpi_deletenullbrush( nullbrush );
}
/*
* Give the view window the 3D effect.
*/
#ifndef __NT__
holdpen = _wpi_selectobject( presborder, hwhitepen );
_wpi_setpoint( &pt, 0, height - 1 );
_wpi_cvth_pt( &pt, height );
_wpi_movetoex( presborder, &pt, NULL );
_wpi_setpoint( &pt, 0, 0 );
_wpi_cvth_pt( &pt, height );
_wpi_lineto( presborder, &pt );
pt.x = width;
_wpi_lineto( presborder, &pt );
_wpi_setpoint( &pt, width - BORDER_WIDTH + 1, BORDER_WIDTH - 2 );
_wpi_cvth_pt( &pt, height );
_wpi_movetoex( presborder, &pt, NULL );
pt.y = height - BORDER_WIDTH + 1;
_wpi_cvth_pt( &pt, height );
_wpi_lineto( presborder, &pt );
pt.x = BORDER_WIDTH - 2;
_wpi_lineto( presborder, &pt );
_wpi_selectobject( presborder, hgraypen );
_wpi_setpoint( &pt, BORDER_WIDTH - 2, BORDER_WIDTH - 2 );
_wpi_cvth_pt( &pt, height );
_wpi_lineto( presborder, &pt );
pt.x = width - BORDER_WIDTH + 1;
_wpi_lineto( presborder, &pt );
_wpi_selectobject( presborder, holdpen );
#endif
_wpi_deleteobject( hgraypen );
_wpi_deleteobject( hwhitepen );
_wpi_deleteobject( hblackpen );
_wpi_releasepres( node->viewhwnd, presborder );
} /* drawBorder */
/*
* SetColor - set the current colors
*/
void SetColor( int mousebutton, COLORREF color, COLORREF solid, wie_clrtype type )
{
HDC hdc;
WPI_PRES pres;
WPI_PRES mempres;
HBITMAP oldbitmap;
HPEN blackpen;
HPEN oldpen;
HBRUSH brush;
HBRUSH oldbrush;
int top;
int bottom;
blackpen = _wpi_createpen( PS_SOLID, 0, BLACK );
if( mousebutton == LMOUSEBUTTON ) {
lButton.color = color;
lButton.solid = solid;
lButton.type = type;
if( lButton.bitmap != NULL ) {
_wpi_deletebitmap( lButton.bitmap );
pres = _wpi_getpres( HWND_DESKTOP );
if( numberOfColors == 2 && type == NORMAL_CLR ) {
lButton.bitmap = _wpi_createbitmap( CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1,
1, 1, NULL );
} else {
lButton.bitmap = _wpi_createcompatiblebitmap( pres, CUR_SQR_SIZE + 1,
2 * CUR_SQR_SIZE + 1 );
}
mempres = _wpi_createcompatiblepres( pres, Instance, &hdc );
_wpi_torgbmode( mempres );
oldbitmap = _wpi_selectobject( mempres, lButton.bitmap );
_wpi_releasepres( HWND_DESKTOP, pres );
oldpen = _wpi_selectobject( mempres, blackpen );
brush = _wpi_createsolidbrush( solid );
oldbrush = _wpi_selectobject( mempres, brush );
top = _wpi_cvth_y( 0, currentHeight );
bottom = _wpi_cvth_y( CUR_SQR_SIZE + 1, currentHeight );
_wpi_rectangle( mempres, 0, top, CUR_SQR_SIZE + 1, bottom );
_wpi_selectobject( mempres, oldbrush );
_wpi_deleteobject( brush );
brush = _wpi_createsolidbrush( color );
oldbrush = _wpi_selectobject( mempres, brush );
top = _wpi_cvth_y( CUR_SQR_SIZE, currentHeight );
bottom = _wpi_cvth_y( 2 * CUR_SQR_SIZE + 1, currentHeight );
_wpi_rectangle( mempres, 0, top, CUR_SQR_SIZE + 1, bottom );
_wpi_selectobject( mempres, oldbrush );
_wpi_deleteobject( brush );
_wpi_selectobject( mempres, oldbitmap );
_wpi_selectobject( mempres, oldpen );
_wpi_deletecompatiblepres( mempres, hdc );
}
} else {
rButton.color = color;
rButton.solid = solid;
rButton.type = type;
if( rButton.bitmap != NULL ) {
_wpi_deletebitmap( rButton.bitmap );
pres = _wpi_getpres( HWND_DESKTOP );
if( numberOfColors == 2 && type == NORMAL_CLR ) {
rButton.bitmap = _wpi_createbitmap( CUR_SQR_SIZE + 1, 2 * CUR_SQR_SIZE + 1,
1, 1, NULL );
} else {
rButton.bitmap = _wpi_createcompatiblebitmap( pres, CUR_SQR_SIZE + 1,
2 * CUR_SQR_SIZE + 1 );
}
mempres = _wpi_createcompatiblepres( pres, Instance, &hdc );
_wpi_torgbmode( mempres );
oldbitmap = _wpi_selectobject( mempres, rButton.bitmap );
_wpi_releasepres( HWND_DESKTOP, pres );
oldpen = _wpi_selectobject( mempres, blackpen );
brush = _wpi_createsolidbrush( solid );
oldbrush = _wpi_selectobject( mempres, brush );
top = _wpi_cvth_y( 0, currentHeight );
bottom = _wpi_cvth_y( CUR_SQR_SIZE + 1, currentHeight );
_wpi_rectangle( mempres, 0, top, CUR_SQR_SIZE + 1, bottom );
_wpi_selectobject( mempres, oldbrush );
_wpi_deleteobject( brush );
brush = _wpi_createsolidbrush( color );
oldbrush = _wpi_selectobject( mempres, brush );
top = _wpi_cvth_y( CUR_SQR_SIZE, currentHeight );
bottom = _wpi_cvth_y( 2 * CUR_SQR_SIZE + 1, currentHeight );
_wpi_rectangle( mempres, 0, top, CUR_SQR_SIZE + 1, bottom );
_wpi_selectobject( mempres, oldbrush );
_wpi_deleteobject( brush );
_wpi_selectobject( mempres, oldbitmap );
_wpi_selectobject( mempres, oldpen );
_wpi_deletecompatiblepres( mempres, hdc );
}
}
_wpi_deleteobject( blackpen );
InvalidateRect( hCurrentWnd, NULL, TRUE );
} /* SetColor */