--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: bitmap.cpp
+// Purpose: wxBitmap
+// Author: Stefan Csomor
+// Modified by:
+// Created: 1998-01-01
+// RCS-ID: $Id$
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "bitmap.h"
+#endif
+
+#include "wx/defs.h"
+
+#include "wx/bitmap.h"
+#include "wx/icon.h"
+#include "wx/log.h"
+#include "wx/image.h"
+#include "wx/xpmdecod.h"
+
+#include "wx/rawbmp.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
+
+#ifdef __DARWIN__
+ #include <ApplicationServices/ApplicationServices.h>
+#else
+ #include <PictUtils.h>
+#endif
+
+#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 = red ; // someRedValue;
+ (**newColors).ctTable[index].rgb.green = green ; // someGreenValue;
+ (**newColors).ctTable[index].rgb.blue = blue ; // 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 ) ;
+}
+
+#define kDefaultRes 0x00480000 /* Default resolution is 72 DPI; Fixed type */
+
+OSErr SetupCIconHandlePixMap( CIconHandle icon , short depth , Rect *bounds , CTabHandle colors )
+{
+ CTabHandle newColors; /* Color table used for the off-screen PixMap */
+ Ptr offBaseAddr; /* Pointer to the off-screen pixel image */
+ OSErr error; /* Returns error code */
+ short bytesPerRow; /* Number of bytes per row in the PixMap */
+
+
+ error = noErr;
+ newColors = nil;
+ offBaseAddr = nil;
+
+ bytesPerRow = ((depth * (bounds->right - bounds->left) + 31) / 32) * 4;
+
+ /* Clone the clut if indexed color; allocate a dummy clut if direct color*/
+ if (depth <= 8)
+ {
+ newColors = colors;
+ error = HandToHand((Handle *) &newColors);
+ }
+ else
+ {
+ newColors = (CTabHandle) NewHandle(sizeof(ColorTable) -
+ sizeof(CSpecArray));
+ error = MemError();
+ }
+ if (error == noErr)
+ {
+ /* Allocate pixel image; long integer multiplication avoids overflow */
+ (**icon).iconData = NewHandle((unsigned long) bytesPerRow * (bounds->bottom -
+ bounds->top));
+ if ((**icon).iconData != nil)
+ {
+ /* Initialize fields common to indexed and direct PixMaps */
+ (**icon).iconPMap.baseAddr = 0; /* Point to image */
+ (**icon).iconPMap.rowBytes = bytesPerRow | /* MSB set for PixMap */
+ 0x8000;
+ (**icon).iconPMap.bounds = *bounds; /* Use given bounds */
+ (**icon).iconPMap.pmVersion = 0; /* No special stuff */
+ (**icon).iconPMap.packType = 0; /* Default PICT pack */
+ (**icon).iconPMap.packSize = 0; /* Always zero in mem */
+ (**icon).iconPMap.hRes = kDefaultRes; /* 72 DPI default res */
+ (**icon).iconPMap.vRes = kDefaultRes; /* 72 DPI default res */
+ (**icon).iconPMap.pixelSize = depth; /* Set # bits/pixel */
+
+ /* Initialize fields specific to indexed and direct PixMaps */
+ if (depth <= 8)
+ {
+ /* PixMap is indexed */
+ (**icon).iconPMap.pixelType = 0; /* Indicates indexed */
+ (**icon).iconPMap.cmpCount = 1; /* Have 1 component */
+ (**icon).iconPMap.cmpSize = depth; /* Component size=depth */
+ (**icon).iconPMap.pmTable = newColors; /* Handle to CLUT */
+ }
+ else
+ {
+ /* PixMap is direct */
+ (**icon).iconPMap.pixelType = RGBDirect; /* Indicates direct */
+ (**icon).iconPMap.cmpCount = 3; /* Have 3 components */
+ if (depth == 16)
+ (**icon).iconPMap.cmpSize = 5; /* 5 bits/component */
+ else
+ (**icon).iconPMap.cmpSize = 8; /* 8 bits/component */
+ (**newColors).ctSeed = 3 * (**icon).iconPMap.cmpSize;
+ (**newColors).ctFlags = 0;
+ (**newColors).ctSize = 0;
+ (**icon).iconPMap.pmTable = newColors;
+ }
+ }
+ else
+ error = MemError();
+ }
+ else
+ newColors = nil;
+
+ /* If no errors occured, return a handle to the new off-screen PixMap */
+ if (error != noErr)
+ {
+ if (newColors != nil)
+ DisposeCTable(newColors);
+ }
+
+ /* Return the error code */
+ return error;
+}
+
+CIconHandle wxMacCreateCIcon(GWorldPtr image , GWorldPtr mask , short dstDepth , short iconSize )
+{
+ GWorldPtr saveWorld;
+ GDHandle saveHandle;
+
+ GetGWorld(&saveWorld,&saveHandle); // save Graphics env state
+ SetGWorld(image,nil);
+
+ Rect frame = { 0 , 0 , iconSize , iconSize } ;
+ Rect imageBounds = frame ;
+ GetPortBounds( image , &imageBounds ) ;
+
+ int bwSize = iconSize / 8 * iconSize ;
+ CIconHandle icon = (CIconHandle) NewHandleClear( sizeof ( CIcon ) + 2 * bwSize) ;
+ HLock((Handle)icon) ;
+ SetupCIconHandlePixMap( icon , dstDepth , &frame,GetCTable(dstDepth)) ;
+ HLock( (**icon).iconData ) ;
+ (**icon).iconPMap.baseAddr = *(**icon).iconData ;
+
+ LockPixels(GetGWorldPixMap(image));
+
+ CopyBits(GetPortBitMapForCopyBits(image),
+ (BitMapPtr)&((**icon).iconPMap),
+ &imageBounds,
+ &imageBounds,
+ srcCopy | ditherCopy, nil);
+
+
+ UnlockPixels(GetGWorldPixMap(image));
+ HUnlock( (**icon).iconData ) ;
+
+ (**icon).iconMask.rowBytes = iconSize / 8 ;
+ (**icon).iconMask.bounds = frame ;
+
+ (**icon).iconBMap.rowBytes = iconSize / 8 ;
+ (**icon).iconBMap.bounds = frame ;
+ (**icon).iconMask.baseAddr = (char*) &(**icon).iconMaskData ;
+ (**icon).iconBMap.baseAddr = (char*) &(**icon).iconMaskData + bwSize ;
+
+ if ( mask )
+ {
+ Rect r ;
+ GetPortBounds( image , &r ) ;
+ LockPixels(GetGWorldPixMap(mask) ) ;
+ CopyBits(GetPortBitMapForCopyBits(mask) ,
+ &(**icon).iconBMap , &r , &r, srcCopy , nil ) ;
+ CopyBits(GetPortBitMapForCopyBits(mask) ,
+ &(**icon).iconMask , &r , &r, srcCopy , nil ) ;
+ UnlockPixels(GetGWorldPixMap( mask ) ) ;
+ }
+ else
+ {
+ Rect r ;
+ GetPortBounds( image , &r ) ;
+ LockPixels(GetGWorldPixMap(image));
+ CopyBits(GetPortBitMapForCopyBits(image) ,
+ &(**icon).iconBMap , &r , &r, srcCopy , nil ) ;
+ CopyBits(GetPortBitMapForCopyBits(image) ,
+ &(**icon).iconMask , &r , &r, srcCopy , nil ) ;
+ UnlockPixels(GetGWorldPixMap(image));
+ }
+
+ (**icon).iconMask.baseAddr = NULL ;
+ (**icon).iconBMap.baseAddr = NULL ;
+ (**icon).iconPMap.baseAddr = NULL ;
+ HUnlock((Handle)icon) ;
+ SetGWorld(saveWorld,saveHandle);
+
+ return icon;
+}
+
+PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
+{
+ CGrafPtr origPort ;
+ GDHandle origDev ;
+
+ PicHandle pict;
+
+ RGBColor white = { 0xffff ,0xffff , 0xffff } ;
+ RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
+
+ GetGWorld( &origPort , &origDev ) ;
+
+ RgnHandle clipRgn = NULL ;
+
+ if ( mask )
+ {
+ clipRgn = NewRgn() ;
+ LockPixels( GetGWorldPixMap( mask ) ) ;
+ BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( mask ) ) ;
+ UnlockPixels( GetGWorldPixMap( mask ) ) ;
+ }
+
+ SetGWorld( wp , NULL ) ;
+ Rect portRect ;
+ if ( clipRgn )
+ GetRegionBounds( clipRgn , &portRect ) ;
+ else
+ GetPortBounds( wp , &portRect ) ;
+ pict = OpenPicture(&portRect);
+ if(pict)
+ {
+ RGBForeColor( &black ) ;
+ RGBBackColor( &white ) ;
+
+ if ( clipRgn )
+ SetClip( clipRgn ) ;
+
+ LockPixels( GetGWorldPixMap( wp ) ) ;
+ CopyBits(GetPortBitMapForCopyBits(wp),
+ GetPortBitMapForCopyBits(wp),
+ &portRect,
+ &portRect,
+ srcCopy,clipRgn);
+ UnlockPixels( GetGWorldPixMap( wp ) ) ;
+ ClosePicture();
+ }
+ SetGWorld( origPort , origDev ) ;
+ if ( clipRgn )
+ DisposeRgn( clipRgn ) ;
+ return pict;
+}
+
+void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )
+{
+ memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
+ if ( bitmap.Ok() )
+ {
+ wxBitmapRefData * bmap = (wxBitmapRefData*) ( bitmap.GetRefData()) ;
+ if ( bmap == NULL )
+ return ;
+
+ if ( bmap->m_bitmapType == kMacBitmapTypePict )
+ {
+ info->contentType = kControlContentPictHandle ;
+ info->u.picture = MAC_WXHMETAFILE(bmap->m_hPict) ;
+ }
+ else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
+ {
+ if ( (forceType == kControlContentCIconHandle || ( bmap->m_width == bmap->m_height && forceType != kControlContentPictHandle ) ) && ((bmap->m_width & 0x3) == 0) )
+ {
+ info->contentType = kControlContentCIconHandle ;
+ if ( bitmap.GetMask() )
+ {
+ info->u.cIconHandle = wxMacCreateCIcon( MAC_WXHBITMAP(bmap->m_hBitmap) , MAC_WXHBITMAP(bitmap.GetMask()->GetMaskBitmap()) ,
+ 8 , bmap->m_width ) ;
+ }
+ else
+ {
+ info->u.cIconHandle = wxMacCreateCIcon( MAC_WXHBITMAP(bmap->m_hBitmap) , NULL ,
+ 8 , bmap->m_width ) ;
+ }
+ }
+ else
+ {
+ info->contentType = kControlContentPictHandle ;
+ if ( bitmap.GetMask() )
+ {
+ info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , MAC_WXHBITMAP(bitmap.GetMask()->GetMaskBitmap() ) ) ;
+ }
+ else
+ {
+ info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , NULL ) ;
+ }
+ }
+ }
+ else if ( bmap->m_bitmapType == kMacBitmapTypeIcon )
+ {
+ info->contentType = kControlContentCIconHandle ;
+ info->u.cIconHandle = MAC_WXHICON(bmap->m_hIcon) ;
+ }
+ }
+}
+
+wxBitmapRefData::wxBitmapRefData()
+ : m_width(0)
+ , m_height(0)
+ , m_depth(0)
+ , m_ok(FALSE)
+ , m_numColors(0)
+ , m_quality(0)
+{
+ m_bitmapMask = NULL;
+ m_hBitmap = NULL ;
+ m_hPict = NULL ;
+ m_hIcon = NULL ;
+ m_bitmapType = kMacBitmapTypeUnknownType ;
+ m_hasAlpha = false;
+}
+
+// TODO move this to a public function of Bitmap Ref
+static void DisposeBitmapRefData(wxBitmapRefData *data)
+{
+ if ( !data )
+ return ;
+
+ switch (data->m_bitmapType)
+ {
+ case kMacBitmapTypePict :
+ {
+ if ( data->m_hPict )
+ {
+ KillPicture( MAC_WXHMETAFILE( data->m_hPict ) ) ;
+ data->m_hPict = NULL ;
+ }
+ }
+ break ;
+ case kMacBitmapTypeGrafWorld :
+ {
+ if ( data->m_hBitmap )
+ {
+ wxMacDestroyGWorld( MAC_WXHBITMAP(data->m_hBitmap) ) ;
+ data->m_hBitmap = NULL ;
+ }
+ }
+ break ;
+ case kMacBitmapTypeIcon :
+ if ( data->m_hIcon )
+ {
+ DisposeCIcon( MAC_WXHICON(data->m_hIcon) ) ;
+ data->m_hIcon = NULL ;
+ }
+
+ default :
+ // unkown type ?
+ break ;
+ }
+
+ if (data->m_bitmapMask)
+ {
+ delete data->m_bitmapMask;
+ data->m_bitmapMask = NULL;
+ }
+}
+
+wxBitmapRefData::~wxBitmapRefData()
+{
+ DisposeBitmapRefData( this ) ;
+}
+
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+ Ref(icon) ;
+ return true;
+}
+
+wxBitmap::wxBitmap()
+{
+ m_refData = NULL;
+}
+
+wxBitmap::~wxBitmap()
+{
+}
+
+wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
+{
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_width = the_width ;
+ M_BITMAPDATA->m_height = the_height ;
+ M_BITMAPDATA->m_depth = no_bits ;
+ M_BITMAPDATA->m_numColors = 0;
+ if ( no_bits == 1 )
+ {
+ M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
+ M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
+ M_BITMAPDATA->m_ok = (MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) != NULL ) ;
+
+ CGrafPtr origPort ;
+ GDHandle origDevice ;
+
+ GetGWorld( &origPort , &origDevice ) ;
+ SetGWorld( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
+ LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;
+
+ // bits is a char array
+
+ unsigned char* linestart = (unsigned char*) bits ;
+ int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
+ if ( the_width % (sizeof(unsigned char) * 8) ) {
+ linesize += sizeof(unsigned char);
+ }
+
+ RGBColor colors[2] = {
+ { 0xFFFF , 0xFFFF , 0xFFFF } ,
+ { 0, 0 , 0 }
+ } ;
+
+ for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
+ {
+ for ( int x = 0 ; x < the_width ; ++x )
+ {
+ int index = x / 8 ;
+ int bit = x % 8 ;
+ int mask = 1 << bit ;
+ if ( linestart[index] & mask )
+ {
+ SetCPixel( x , y , &colors[1] ) ;
+ }
+ else
+ {
+ SetCPixel( x , y , &colors[0] ) ;
+ }
+ }
+ }
+ UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;
+
+ SetGWorld( origPort , origDevice ) ;
+ }
+ else
+ {
+ wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
+ }
+}
+
+wxBitmap::wxBitmap(int w, int h, int d)
+{
+ (void)Create(w, h, d);
+}
+
+wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth)
+{
+ (void) Create(data, type, width, height, depth);
+}
+
+wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
+{
+ LoadFile(filename, type);
+}
+
+bool wxBitmap::CreateFromXpm(const char **bits)
+{
+ wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+ wxXPMDecoder decoder;
+ wxImage img = decoder.ReadData(bits);
+ wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
+ *this = wxBitmap(img);
+ return TRUE;
+}
+
+wxBitmap::wxBitmap(const char **bits)
+{
+ (void) CreateFromXpm(bits);
+}
+
+wxBitmap::wxBitmap(char **bits)
+{
+ (void) CreateFromXpm((const char **)bits);
+}
+
+wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
+{
+ wxCHECK_MSG( Ok() &&
+ (rect.x >= 0) && (rect.y >= 0) &&
+ (rect.x+rect.width <= GetWidth()) &&
+ (rect.y+rect.height <= GetHeight()),
+ wxNullBitmap, wxT("invalid bitmap or bitmap region") );
+
+
+ wxBitmap ret( rect.width, rect.height, GetDepth() );
+ wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+
+ GWorldPtr origPort;
+ GDHandle origDevice;
+
+ GetGWorld( &origPort, &origDevice );
+
+ // Update the subbitmaps reference data
+ wxBitmapRefData *ref = (wxBitmapRefData *)ret.GetRefData();
+
+ ref->m_numColors = M_BITMAPDATA->m_numColors;
+#if wxUSE_PALETTE
+ ref->m_bitmapPalette = M_BITMAPDATA->m_bitmapPalette;
+#endif // wxUSE_PALETTE
+ ref->m_bitmapType = M_BITMAPDATA->m_bitmapType;
+
+ // Copy sub region of this bitmap
+ if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict)
+ {
+ printf("GetSubBitmap: Copy a region of a Pict structure - TODO\n");
+ }
+ else if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypeGrafWorld)
+ {
+ // Copy mask
+ if(GetMask())
+ {
+ GWorldPtr submask, mask;
+ RGBColor color;
+
+ mask = (GWorldPtr) GetMask()->GetMaskBitmap();
+ submask = wxMacCreateGWorld(rect.width, rect.height, GetMask()->GetDepth() );
+ LockPixels(GetGWorldPixMap(mask));
+ LockPixels(GetGWorldPixMap(submask));
+
+ for(int yy = 0; yy < rect.height; yy++)
+ {
+ for(int xx = 0; xx < rect.width; xx++)
+ {
+ SetGWorld(mask, NULL);
+ GetCPixel(rect.x + xx, rect.y + yy, &color);
+ SetGWorld(submask, NULL);
+ SetCPixel(xx,yy, &color);
+ }
+ }
+ UnlockPixels(GetGWorldPixMap(mask));
+ UnlockPixels(GetGWorldPixMap(submask));
+ ref->m_bitmapMask = new wxMask;
+ ref->m_bitmapMask->SetMaskBitmap(submask);
+ }
+
+ // Copy bitmap
+ if(GetHBITMAP())
+ {
+ GWorldPtr subbitmap, bitmap;
+ RGBColor color;
+
+ bitmap = (GWorldPtr) GetHBITMAP();
+ subbitmap = (GWorldPtr) ref->m_hBitmap ;
+ LockPixels(GetGWorldPixMap(bitmap));
+ LockPixels(GetGWorldPixMap(subbitmap));
+
+ for(int yy = 0; yy < rect.height; yy++)
+ {
+ for(int xx = 0; xx < rect.width; xx++)
+ {
+ SetGWorld(bitmap, NULL);
+ GetCPixel(rect.x + xx, rect.y + yy, &color);
+ SetGWorld(subbitmap, NULL);
+ SetCPixel(xx, yy, &color);
+ }
+ }
+ UnlockPixels(GetGWorldPixMap(bitmap));
+ UnlockPixels(GetGWorldPixMap(subbitmap));
+ }
+ }
+ SetGWorld( origPort, origDevice );
+
+ return ret;
+}
+
+bool wxBitmap::Create(int w, int h, int d)
+{
+ UnRef();
+
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_width = w;
+ M_BITMAPDATA->m_height = h;
+ M_BITMAPDATA->m_depth = d;
+
+ M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
+ M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ;
+ M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hBitmap != NULL ) ;
+ return M_BITMAPDATA->m_ok;
+}
+
+int wxBitmap::GetBitmapType() const
+{
+ wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_bitmapType;
+}
+
+void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+ else
+ DisposeBitmapRefData( M_BITMAPDATA ) ;
+
+ M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
+ M_BITMAPDATA->m_hBitmap = bmp ;
+ M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hBitmap != NULL ) ;
+}
+
+void wxBitmap::SetHICON(WXHICON ico)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+ else
+ DisposeBitmapRefData( M_BITMAPDATA ) ;
+
+ M_BITMAPDATA->m_bitmapType = kMacBitmapTypeIcon ;
+ M_BITMAPDATA->m_hIcon = ico ;
+ M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hIcon != NULL ) ;
+}
+
+void wxBitmap::SetPict(WXHMETAFILE pict)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+ else
+ DisposeBitmapRefData( M_BITMAPDATA ) ;
+
+ M_BITMAPDATA->m_bitmapType = kMacBitmapTypePict ;
+ M_BITMAPDATA->m_hPict = pict ;
+ M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hPict != NULL ) ;
+}
+
+bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
+{
+ UnRef();
+
+ wxBitmapHandler *handler = FindHandler(type);
+
+ if ( handler )
+ {
+ m_refData = new wxBitmapRefData;
+
+ return handler->LoadFile(this, filename, type, -1, -1);
+ }
+ else
+ {
+ wxImage loadimage(filename, type);
+ if (loadimage.Ok()) {
+ *this = loadimage;
+ return true;
+ }
+ }
+ wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
+ return false;
+}
+
+bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int depth)
+{
+ UnRef();
+
+ m_refData = new wxBitmapRefData;
+
+ wxBitmapHandler *handler = FindHandler(type);
+
+ if ( handler == NULL ) {
+ wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
+
+ return FALSE;
+ }
+
+ return handler->Create(this, data, type, width, height, depth);
+}
+
+wxBitmap::wxBitmap(const wxImage& image, int depth)
+{
+ wxCHECK_RET( image.Ok(), wxT("invalid image") )
+ wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
+
+ m_refData = new wxBitmapRefData();
+
+ // width and height of the device-dependent bitmap
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ // Create picture
+
+ Create( width , height , 32 ) ;
+
+ CGrafPtr origPort ;
+ GDHandle origDevice ;
+
+ PixMapHandle pixMap = GetGWorldPixMap((GWorldPtr)GetHBITMAP()) ;
+ LockPixels( pixMap );
+
+ GetGWorld( &origPort , &origDevice ) ;
+ SetGWorld( (GWorldPtr) GetHBITMAP() , NULL ) ;
+
+ // Render image
+ register unsigned char* data = image.GetData();
+ char* destinationBase = GetPixBaseAddr( pixMap );
+ register unsigned char* destination = (unsigned char*) destinationBase ;
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ *destination++ = 0 ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ }
+ destinationBase += ((**pixMap).rowBytes & 0x7fff);
+ destination = (unsigned char*) destinationBase ;
+ }
+ if ( image.HasAlpha() )
+ {
+ unsigned char *alpha = image.GetAlpha();
+
+ wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
+ RGBColor color ;
+ wxBitmap maskBitmap ;
+
+ maskBitmap.Create( width, height, 24);
+ LockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+ SetGWorld( (GWorldPtr) maskBitmap.GetHBITMAP(), NULL);
+
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ memset( &color , 255 - *alpha , sizeof( color ) );
+ SetCPixel(x,y, &color);
+
+ alpha += 1 ;
+ }
+ } // for height
+ SetGWorld( (GWorldPtr) GetHBITMAP(), NULL);
+ SetMask(new wxMask( maskBitmap ));
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+ }
+ else if ( image.HasMask() )
+ {
+ data = image.GetData();
+
+ wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
+ RGBColor white = { 0xffff, 0xffff, 0xffff };
+ RGBColor black = { 0 , 0 , 0 };
+ wxBitmap maskBitmap ;
+
+ maskBitmap.Create( width, height, 1);
+ LockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+ SetGWorld( (GWorldPtr) maskBitmap.GetHBITMAP(), NULL);
+
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ if ( data[0] == image.GetMaskRed() && data[1] == image.GetMaskGreen() && data[2] == image.GetMaskBlue() )
+ {
+ SetCPixel(x,y, &white);
+ }
+ else {
+ SetCPixel(x,y, &black);
+ }
+ data += 3 ;
+ }
+ } // for height
+ SetGWorld( (GWorldPtr) GetHBITMAP(), NULL);
+ SetMask(new wxMask( maskBitmap ));
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+ }
+
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP()) );
+ SetGWorld( origPort, origDevice );
+}
+
+wxImage wxBitmap::ConvertToImage() const
+{
+ wxImage image;
+
+ wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+
+ // create an wxImage object
+ int width = GetWidth();
+ int height = GetHeight();
+ image.Create( width, height );
+
+ unsigned char *data = image.GetData();
+
+ wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
+
+ GWorldPtr origPort;
+ GDHandle origDevice;
+ RgnHandle maskRgn = NULL ;
+ GWorldPtr tempPort = NULL ;
+ int index;
+ RGBColor color;
+ // background color set to RGB(16,16,16) in consistent with wxGTK
+ unsigned char mask_r=16, mask_g=16, mask_b=16;
+ SInt16 r,g,b;
+ wxMask *mask = GetMask();
+
+ GetGWorld( &origPort, &origDevice );
+ if ( GetBitmapType() != kMacBitmapTypeGrafWorld )
+ {
+ tempPort = wxMacCreateGWorld( width , height , -1) ;
+ }
+ else
+ {
+ tempPort = (GWorldPtr) GetHBITMAP() ;
+ }
+ LockPixels(GetGWorldPixMap(tempPort));
+ SetGWorld( tempPort, NULL);
+ if ( GetBitmapType() == kMacBitmapTypePict || GetBitmapType() == kMacBitmapTypeIcon )
+ {
+ Rect bitmaprect = { 0 , 0 , height, width };
+ if ( GetBitmapType() == kMacBitmapTypeIcon )
+ {
+ ::PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(GetHICON()) ) ;
+ maskRgn = NewRgn() ;
+ BitMapToRegion( maskRgn , &(**(MAC_WXHICON(GetHICON()))).iconMask ) ;
+ }
+ else
+ ::DrawPicture( (PicHandle) GetPict(), &bitmaprect ) ;
+ }
+ // Copy data into image
+ index = 0;
+ for (int yy = 0; yy < height; yy++)
+ {
+ for (int xx = 0; xx < width; xx++)
+ {
+ GetCPixel(xx,yy, &color);
+ r = ((color.red ) >> 8);
+ g = ((color.green ) >> 8);
+ b = ((color.blue ) >> 8);
+ data[index ] = r;
+ data[index + 1] = g;
+ data[index + 2] = b;
+ if ( maskRgn )
+ {
+ Point pt ;
+ pt.h = xx ;
+ pt.v = yy ;
+ if ( !PtInRgn( pt , maskRgn ) )
+ {
+ data[index ] = mask_r;
+ data[index + 1] = mask_g;
+ data[index + 2] = mask_b;
+ }
+ }
+ else
+ {
+ if (mask)
+ {
+ if (mask->PointMasked(xx,yy))
+ {
+ data[index ] = mask_r;
+ data[index + 1] = mask_g;
+ data[index + 2] = mask_b;
+ }
+ }
+ }
+ index += 3;
+ }
+ }
+ if (mask || maskRgn )
+ {
+ image.SetMaskColour( mask_r, mask_g, mask_b );
+ image.SetMask( true );
+ }
+
+ // Free resources
+ UnlockPixels(GetGWorldPixMap( tempPort ));
+ SetGWorld(origPort, origDevice);
+ if ( GetBitmapType() != kMacBitmapTypeGrafWorld )
+ {
+ wxMacDestroyGWorld( tempPort ) ;
+ }
+ if ( maskRgn )
+ {
+ DisposeRgn( maskRgn ) ;
+ }
+
+ return image;
+}
+
+
+bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type,
+ const wxPalette *palette) const
+{
+ wxBitmapHandler *handler = FindHandler(type);
+
+ if ( handler )
+ {
+ return handler->SaveFile(this, filename, type, palette);
+ }
+ else
+ {
+ wxImage image = ConvertToImage();
+
+ return image.SaveFile(filename, type);
+ }
+
+ wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
+ return false;
+}
+
+bool wxBitmap::Ok() const
+{
+ return (M_BITMAPDATA && M_BITMAPDATA->m_ok);
+}
+
+int wxBitmap::GetHeight() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_height;
+}
+
+int wxBitmap::GetWidth() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_width;
+}
+
+int wxBitmap::GetDepth() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_depth;
+}
+
+int wxBitmap::GetQuality() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_quality;
+}
+
+wxMask *wxBitmap::GetMask() const
+{
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->m_bitmapMask;
+}
+
+void wxBitmap::SetWidth(int w)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_width = w;
+}
+
+void wxBitmap::SetHeight(int h)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_height = h;
+}
+
+void wxBitmap::SetDepth(int d)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_depth = d;
+}
+
+void wxBitmap::SetQuality(int q)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_quality = q;
+}
+
+void wxBitmap::SetOk(bool isOk)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_ok = isOk;
+}
+
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") );
+
+ return &M_BITMAPDATA->m_bitmapPalette;
+}
+
+void wxBitmap::SetPalette(const wxPalette& palette)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ M_BITMAPDATA->m_bitmapPalette = palette ;
+}
+#endif // wxUSE_PALETTE
+
+void wxBitmap::SetMask(wxMask *mask)
+{
+ if (!M_BITMAPDATA)
+ m_refData = new wxBitmapRefData;
+
+ // Remove existing mask if there is one.
+ delete M_BITMAPDATA->m_bitmapMask;
+
+ M_BITMAPDATA->m_bitmapMask = mask ;
+}
+
+WXHBITMAP wxBitmap::GetHBITMAP() const
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+ return MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
+}
+
+WXHMETAFILE wxBitmap::GetPict( bool *created ) const
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+ PicHandle picture = NULL ; // This is the returned picture
+ if ( created )
+ (*created) = false ;
+ // If bitmap already in Pict format return pointer
+ if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
+ return M_BITMAPDATA->m_hPict;
+ }
+ else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {
+ // Invalid bitmap
+ return NULL;
+ }
+ else
+ {
+ if ( GetMask() )
+ {
+ picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , MAC_WXHBITMAP(GetMask()->GetMaskBitmap() ) ) ;
+ }
+ else
+ {
+ picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
+ }
+ if ( created && picture )
+ (*created) = true ;
+ }
+ return picture ;
+}
+
+/*
+ * wxMask
+ */
+
+wxMask::wxMask()
+ : m_maskBitmap(NULL)
+{
+}
+
+// Construct a mask from a bitmap and a colour indicating
+// the transparent area
+wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
+ : m_maskBitmap(NULL)
+{
+ Create(bitmap, colour);
+}
+
+// Construct a mask from a bitmap and a palette index indicating
+// the transparent area
+wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
+ : m_maskBitmap(NULL)
+{
+ Create(bitmap, paletteIndex);
+}
+
+// Construct a mask from a mono bitmap (copies the bitmap).
+wxMask::wxMask(const wxBitmap& bitmap)
+ : m_maskBitmap(NULL)
+{
+ Create(bitmap);
+}
+
+wxMask::~wxMask()
+{
+ if ( m_maskBitmap )
+ {
+ wxMacDestroyGWorld( (GWorldPtr) m_maskBitmap ) ;
+ m_maskBitmap = NULL ;
+ }
+}
+
+// Create a mask from a mono bitmap (copies the bitmap).
+bool wxMask::Create(const wxBitmap& bitmap)
+{
+ if ( m_maskBitmap )
+ {
+ wxMacDestroyGWorld( (GWorldPtr) m_maskBitmap ) ;
+ m_maskBitmap = NULL ;
+ }
+ wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
+ wxT("Cannot create mask from this bitmap type (TODO)"));
+ // other types would require a temporary bitmap. not yet implemented
+
+ wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
+
+ m_depth = bitmap.GetDepth() ;
+ m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), bitmap.GetDepth() );
+ Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
+
+ LockPixels( GetGWorldPixMap( (GWorldPtr) m_maskBitmap) );
+ LockPixels( GetGWorldPixMap( (GWorldPtr) bitmap.GetHBITMAP()) );
+ CopyBits(GetPortBitMapForCopyBits( (GWorldPtr) bitmap.GetHBITMAP()),
+ GetPortBitMapForCopyBits( (GWorldPtr) m_maskBitmap),
+ &rect, &rect, srcCopy, 0);
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) m_maskBitmap) );
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) bitmap.GetHBITMAP()) );
+
+ return FALSE;
+}
+
+// Create a mask from a bitmap and a palette index indicating
+// the transparent area
+bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+{
+ // TODO
+ wxCHECK_MSG( 0, false, wxT("wxMask::Create not yet implemented"));
+ return FALSE;
+}
+
+// Create a mask from a bitmap and a colour indicating
+// the transparent area
+bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
+{
+ if ( m_maskBitmap )
+ {
+ wxMacDestroyGWorld( (GWorldPtr) m_maskBitmap ) ;
+ m_maskBitmap = NULL ;
+ }
+ wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
+ wxT("Cannot create mask from this bitmap type (TODO)"));
+ // other types would require a temporary bitmap. not yet implemented
+
+ wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
+
+ m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 );
+ m_depth = 1 ;
+ LockPixels( GetGWorldPixMap( (GWorldPtr) m_maskBitmap ) );
+ LockPixels( GetGWorldPixMap( (GWorldPtr) bitmap.GetHBITMAP() ) );
+ RGBColor maskColor = MAC_WXCOLORREF(colour.GetPixel());
+
+ // this is not very efficient, but I can't think
+ // of a better way of doing it
+ CGrafPtr origPort ;
+ GDHandle origDevice ;
+ RGBColor col;
+ RGBColor colors[2] = {
+ { 0xFFFF, 0xFFFF, 0xFFFF },
+ { 0, 0, 0 }};
+
+ GetGWorld( &origPort , &origDevice ) ;
+ for (int w = 0; w < bitmap.GetWidth(); w++)
+ {
+ for (int h = 0; h < bitmap.GetHeight(); h++)
+ {
+ SetGWorld( (GWorldPtr) bitmap.GetHBITMAP(), NULL ) ;
+ GetCPixel( w , h , &col ) ;
+ SetGWorld( (GWorldPtr) m_maskBitmap , NULL ) ;
+ if (col.red == maskColor.red && col.green == maskColor.green && col.blue == maskColor.blue)
+ {
+ SetCPixel( w , h , &colors[0] ) ;
+ }
+ else
+ {
+ SetCPixel( w , h , &colors[1] ) ;
+ }
+ }
+ }
+ UnlockPixels( GetGWorldPixMap( (CGrafPtr) m_maskBitmap ) ) ;
+ UnlockPixels( GetGWorldPixMap( (GWorldPtr) bitmap.GetHBITMAP() ) ) ;
+ SetGWorld( origPort , origDevice ) ;
+
+ return TRUE;
+}
+
+bool wxMask::PointMasked(int x, int y)
+{
+ GWorldPtr origPort;
+ GDHandle origDevice;
+ RGBColor color;
+ bool masked = true;
+
+ GetGWorld( &origPort, &origDevice);
+
+ //Set port to mask and see if it masked (1) or not ( 0 )
+ SetGWorld( (GWorldPtr) m_maskBitmap, NULL);
+ LockPixels(GetGWorldPixMap( (GWorldPtr) m_maskBitmap));
+ GetCPixel(x,y, &color);
+ masked = !(color.red == 0 && color.green == 0 && color.blue == 0);
+ UnlockPixels(GetGWorldPixMap( (GWorldPtr) m_maskBitmap));
+
+ SetGWorld( origPort, origDevice);
+
+ return masked;
+}
+
+/*
+ * wxBitmapHandler
+ */
+
+wxBitmapHandler::~wxBitmapHandler()
+{
+}
+
+bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
+{
+ return FALSE;
+}
+
+bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight)
+{
+ return FALSE;
+}
+
+bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
+{
+ return FALSE;
+}
+
+/*
+ * Standard handlers
+ */
+
+class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
+{
+ DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
+public:
+ inline wxPICTResourceHandler()
+ {
+ m_name = wxT("Macintosh Pict resource");
+ m_extension = wxEmptyString;
+ m_type = wxBITMAP_TYPE_PICT_RESOURCE;
+ };
+
+ virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight);
+};
+IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
+
+bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight)
+{
+ Str255 theName ;
+ wxMacStringToPascal( name , theName ) ;
+
+ PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
+ if ( thePict )
+ {
+ PictInfo theInfo ;
+
+ GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
+ DetachResource( (Handle) thePict ) ;
+ M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
+ M_BITMAPHANDLERDATA->m_hPict = thePict ;
+ M_BITMAPHANDLERDATA->m_width = theInfo.sourceRect.right - theInfo.sourceRect.left ;
+ M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
+
+ M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
+ M_BITMAPHANDLERDATA->m_ok = true ;
+ M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
+// M_BITMAPHANDLERDATA->m_bitmapPalette;
+// M_BITMAPHANDLERDATA->m_quality;
+ return TRUE ;
+ }
+ return FALSE ;
+}
+
+void wxBitmap::InitStandardHandlers()
+{
+ AddHandler(new wxPICTResourceHandler) ;
+ AddHandler(new wxICONResourceHandler) ;
+}
+
+// ----------------------------------------------------------------------------
+// raw bitmap access support
+// ----------------------------------------------------------------------------
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+ if ( !Ok() )
+ {
+ // no bitmap, no data (raw or otherwise)
+ return NULL;
+ }
+
+ if ( M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld )
+ {
+ wxFAIL_MSG( _T("GetRawData() only supported for GWorlds") );
+
+ return NULL;
+ }
+
+ GWorldPtr gworld = MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
+ PixMapHandle hPixMap = GetGWorldPixMap(gworld);
+ wxCHECK_MSG( hPixMap && *hPixMap, NULL,
+ _T("GetRawData(): failed to get PixMap from GWorld?") );
+
+ wxCHECK_MSG( (*hPixMap)->pixelSize == bpp, NULL,
+ _T("GetRawData(): pixel format mismatch") );
+
+ if ( !LockPixels(hPixMap) )
+ {
+ wxFAIL_MSG( _T("failed to lock PixMap in GetRawData()") );
+
+ return NULL;
+ }
+
+ data.m_width = GetWidth();
+ data.m_height = GetHeight();
+ data.m_stride = (*hPixMap)->rowBytes & 0x7fff;
+
+ M_BITMAPDATA->m_hasAlpha = false;
+
+ return GetPixBaseAddr(hPixMap);
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
+{
+ if ( !Ok() )
+ return;
+
+ if ( M_BITMAPDATA->m_hasAlpha )
+ {
+ wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase;
+
+ int w = data.GetWidth(),
+ h = data.GetHeight();
+
+ wxBitmap bmpMask(GetWidth(), GetHeight(), 32);
+ wxAlphaPixelData dataMask(bmpMask, data.GetOrigin(), wxSize(w, h));
+ wxAlphaPixelData::Iterator pMask(dataMask),
+ p(data);
+ for ( int y = 0; y < h; y++ )
+ {
+ wxAlphaPixelData::Iterator rowStartMask = pMask,
+ rowStart = p;
+
+ for ( int x = 0; x < w; x++ )
+ {
+ const wxAlphaPixelData::Iterator::ChannelType
+ alpha = p.Alpha();
+
+ pMask.Red() = alpha;
+ pMask.Green() = alpha;
+ pMask.Blue() = alpha;
+
+ ++p;
+ ++pMask;
+ }
+
+ p = rowStart;
+ p.OffsetY(data, 1);
+
+ pMask = rowStartMask;
+ pMask.OffsetY(dataMask, 1);
+ }
+
+ SetMask(new wxMask(bmpMask));
+ }
+
+ GWorldPtr gworld = MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
+ PixMapHandle hPixMap = GetGWorldPixMap(gworld);
+ if ( hPixMap )
+ {
+ UnlockPixels(hPixMap);
+ }
+}
+
+void wxBitmap::UseAlpha()
+{
+ // remember that we are using alpha channel, we'll need to create a proper
+ // mask in UngetRawData()
+ M_BITMAPDATA->m_hasAlpha = true;
+}
+
projects / wxWidgets.git / blobdiff