Handle
Widget_shape( Handle self, Bool set, Handle mask)
{
if ( var-> stage > csFrozen) return nilHandle;
if ( !set) {
if ( apc_widget_get_shape( self, nilHandle)) {
HV * profile = newHV();
Handle i = Object_create( "Prima::Image", profile);
sv_free(( SV *) profile);
apc_widget_get_shape( self, i);
--SvREFCNT( SvRV((( PAnyObject) i)-> mate));
return i;
} else
return nilHandle;
}
if ( mask && !kind_of( mask, CImage)) {
warn("RTC008A: Illegal object reference passed to Widget::shape");
return nilHandle;
}
if ( mask && (( PImage( mask)-> type & imBPP) != imbpp1)) {
Handle i = CImage( mask)-> dup( mask);
++SvREFCNT( SvRV( PImage( i)-> mate));
CImage( i)-> set_conversion( i, ictNone);
CImage( i)-> set_type( i, imBW);
apc_widget_set_shape( self, i);
--SvREFCNT( SvRV( PImage( i)-> mate));
Object_destroy( i);
} else
apc_widget_set_shape( self, mask);
return nilHandle;
}
static SV *
image_server( Handle self, PClipboardFormatReg instance, int function, SV * data)
{
ClipboardDataRec c;
switch( function) {
case cefInit:
return ( SV *) cfBitmap;
case cefFetch:
{
HV * profile = newHV();
c. image = Object_create( "Prima::Image", profile);
sv_free(( SV *) profile);
if ( apc_clipboard_get_data( self, cfBitmap, &c)) {
--SvREFCNT( SvRV( PImage(c. image)-> mate));
return newSVsv( PImage(c. image)-> mate);
}
Object_destroy( c. image);
}
break;
case cefStore:
c. image = gimme_the_mate( data);
if ( !kind_of( c. image, CImage)) {
warn("Not an image passed to clipboard");
return nilSV;
}
instance-> success = apc_clipboard_set_data( self, cfBitmap, &c);
instance-> written = true;
break;
}
return nilSV;
}
Bool
apc_image_begin_paint( Handle self)
{
apcErrClear;
objCheck false;
if ( !( sys ps = CreateCompatibleDC( 0))) apiErrRet;
if ( sys bm == nil) {
Handle deja = image_enscreen( self, self);
if ( !image_set_cache( deja, self)) {
DeleteDC( sys ps);
sys ps = nil;
return false;
}
if ( deja != self) Object_destroy( deja);
}
sys stockBM = SelectObject( sys ps, sys bm);
if ( !sys pal)
sys pal = image_make_bitmap_palette( self);
hwnd_enter_paint( self);
if (( PImage( self)-> type & imBPP) == imbpp1) sys bpp = 1;
if ( sys pal) {
SelectPalette( sys ps, sys pal, 0);
RealizePalette( sys ps);
}
return true;
}
HBITMAP
image_make_bitmap_handle( Handle img, HPALETTE pal)
{
HBITMAP bm;
XBITMAPINFO xbi;
BITMAPINFO * bi = image_get_binfo( img, &xbi);
HPALETTE old = nil, xpal = pal;
HWND foc = GetFocus();
HDC dc = GetDC( foc);
if ( !dc)
apiErr;
if ( bi-> bmiHeader. biClrUsed > 0)
bi-> bmiHeader. biClrUsed = bi-> bmiHeader. biClrImportant = PImage(img)-> palSize;
if ( xpal == nil)
xpal = image_make_bitmap_palette( img);
if ( xpal) {
old = SelectPalette( dc, xpal, 1);
RealizePalette( dc);
}
if ((( PImage) img)-> type != imBW)
bm = CreateDIBitmap( dc, &bi-> bmiHeader, CBM_INIT,
(( PImage) img)-> data, bi, DIB_RGB_COLORS);
else {
bm = CreateBitmap( bi-> bmiHeader. biWidth, bi-> bmiHeader. biHeight, 1, 1, NULL);
SetDIBits( dc, bm, 0, bi-> bmiHeader. biHeight, (( PImage) img)-> data, bi, DIB_RGB_COLORS);
}
if ( !bm) {
apiErr;
if ( old) {
SelectPalette( dc, old, 1);
RealizePalette( dc);
}
if ( xpal != pal)
DeleteObject( xpal);
ReleaseDC( foc, dc);
return nil;
}
if ( old) {
SelectPalette( dc, old, 1);
RealizePalette( dc);
}
if ( xpal != pal)
DeleteObject( xpal);
ReleaseDC( foc, dc);
return bm;
}
static Bool
rgn_image(Handle self, Handle image)
{
REGION = prima_region_create(image);
if ( !REGION )
REGION = XCreateRegion();
else
HEIGHT = PImage(image)->h;
return true;
}
Bool
apc_image_begin_paint_info( Handle self)
{
apcErrClear;
objCheck false;
if ( !( sys ps = CreateCompatibleDC( 0))) apiErrRet;
if ( !sys pal) sys pal = image_make_bitmap_palette( self);
if ( sys pal) SelectPalette( sys ps, sys pal, 0);
hwnd_enter_paint( self);
if (( PImage( self)-> type & imBPP) == imbpp1) sys bpp = 1;
return true;
}
PImage createImage(int width, int height, int type) {
return PImage(width, height, type);
}
Region
prima_region_create( Handle mask)
{
unsigned long w, h, x, y, size = 256, count = 0;
Region rgn = None;
Byte * idata;
XRectangle * current, * rdata;
Bool set = 0;
if ( !mask)
return None;
w = PImage( mask)-> w;
h = PImage( mask)-> h;
/*
XUnionRegion is actually SLOWER than the image scan -
- uncomment if this is wrong
if ( X( mask)-> cached_region) {
rgn = XCreateRegion();
XUnionRegion( rgn, X( mask)-> cached_region, rgn);
return rgn;
}
*/
idata = PImage( mask)-> data + PImage( mask)-> dataSize - PImage( mask)-> lineSize;
rdata = ( XRectangle*) malloc( size * sizeof( XRectangle));
if ( !rdata) {
warn("Not enough memory");
return None;
}
count = 0;
current = rdata;
current--;
for ( y = 0; y < h; y++) {
for ( x = 0; x < w; x++) {
if ( idata[ x >> 3] == 0) {
x += 7;
continue;
}
if ( idata[ x >> 3] & ( 1 << ( 7 - ( x & 7)))) {
if ( set && current-> y == y && current-> x + current-> width == x)
current-> width++;
else {
set = 1;
if ( count >= size) {
void * xrdata = realloc( rdata, ( size *= 3) * sizeof( XRectangle));
if ( !xrdata) {
warn("Not enough memory");
free( rdata);
return None;
}
rdata = xrdata;
current = rdata;
current += count - 1;
}
count++;
current++;
current-> x = x;
current-> y = y;
current-> width = 1;
current-> height = 1;
}
}
}
idata -= PImage( mask)-> lineSize;
}
if ( set) {
rgn = XCreateRegion();
for ( x = 0, current = rdata; x < count; x++, current++)
XUnionRectWithRegion( current, rgn, rgn);
/*
X( mask)-> cached_region = XCreateRegion();
XUnionRegion( X( mask)-> cached_region, rgn, X( mask)-> cached_region);
*/
}
free( rdata);
return rgn;
}
