+#include "wx/mac/uma.h"
+
+CTabHandle wxMacCreateColorTable( int numColors )
+{
+ CTabHandle newColors; /* Handle to the new color table */
+
+ /* Allocate memory for the color table */
+ newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
+ sizeof (ColorSpec) * (numColors - 1) );
+ if (newColors != nil)
+ {
+ /* Initialize the fields */
+ (**newColors).ctSeed = GetCTSeed();
+ (**newColors).ctFlags = 0;
+ (**newColors).ctSize = numColors - 1;
+ /* Initialize the table of colors */
+ }
+ return newColors ;
+}
+
+void wxMacDestroyColorTable( CTabHandle colors )
+{
+ DisposeHandle( (Handle) colors ) ;
+}
+
+void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green , int blue )
+{
+ (**newColors).ctTable[index].value = index;
+ (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue;
+ (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue;
+ (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue;
+}
+
+GWorldPtr wxMacCreateGWorld( int width , int height , int depth )
+{
+ OSErr err = noErr ;
+ GWorldPtr port ;
+ Rect rect = { 0 , 0 , height , width } ;
+
+ if ( depth < 0 )
+ {
+ depth = wxDisplayDepth() ;
+ }
+
+ err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
+ if ( err == noErr )
+ {
+ return port ;
+ }
+ return NULL ;
+}
+
+void wxMacDestroyGWorld( GWorldPtr gw )
+{
+ if ( gw )
+ DisposeGWorld( gw ) ;
+}
+
+PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
+{
+ CGrafPtr origPort ;
+ GDHandle origDev ;
+
+ PicHandle pict; // this is the Picture we give back
+
+ RGBColor gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
+ RGBColor white = { 0xffff ,0xffff , 0xffff } ;
+ RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
+
+ unsigned char *maskimage = NULL ;
+ Rect portRect ;
+ GetPortBounds( wp , &portRect ) ;
+ int width = portRect.right - portRect.left ;
+ int height = portRect.bottom - portRect.top ;
+
+ LockPixels( GetGWorldPixMap( wp ) ) ;
+ GetGWorld( &origPort , &origDev ) ;
+
+ if ( mask )
+ {
+ maskimage = (unsigned char*) malloc( width * height ) ;
+ SetGWorld( mask , NULL ) ;
+ LockPixels( GetGWorldPixMap( mask ) ) ;
+ for ( int y = 0 ; y < height ; y++ )
+ {
+ for( int x = 0 ; x < width ; x++ )
+ {
+ RGBColor col ;
+
+ GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
+ maskimage[y*width + x] = ( col.red == 0 ) ; // for monochrome masks
+ }
+ }
+ UnlockPixels( GetGWorldPixMap( mask ) ) ;
+ }
+
+ SetGWorld( wp , NULL ) ;
+
+ pict = OpenPicture(&portRect); // open a picture, this disables drawing
+ if(!pict)
+ return NULL;
+
+ if ( maskimage )
+ {
+ RGBForeColor( &black ) ;
+ RGBBackColor( &white ) ;
+ PenMode(transparent);
+
+ for ( int y = 0 ; y < height ; ++y )
+ {
+ for( int x = 0 ; x < width ; ++x )
+ {
+ if ( maskimage[y*width + x] )
+ {
+ RGBColor col ;
+
+ GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
+ SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
+ }
+ else {
+ // With transparency set this sets a blank pixel not a white one
+ SetCPixel( x + portRect.left , y + portRect.top , &white);
+ }
+ }
+ }
+ free( maskimage ) ;
+ maskimage = NULL ;
+ }
+ else
+ {
+ RGBBackColor( &gray ) ;
+ EraseRect(&portRect);
+ RGBForeColor( &black ) ;
+ RGBBackColor( &white ) ;
+
+ CopyBits(GetPortBitMapForCopyBits(wp), /* src PixMap - we copy image over
+ * itself - */
+ GetPortBitMapForCopyBits(wp), // dst PixMap - no drawing occurs
+ &portRect, // srcRect - it will be recorded and compressed -
+ &portRect, // dstRect - into the picture that is open -
+ srcCopy,NULL); // copyMode and no clip region
+ }
+ ClosePicture(); // We are done recording the picture
+ UnlockPixels( GetGWorldPixMap( wp ) ) ;
+ SetGWorld( origPort , origDev ) ;
+
+ return pict; // return our groovy pict handle
+}
+
projects / wxWidgets.git / blobdiff