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native picture clipboard support improved

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19064 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2003-02-02 13:22:00 +00:00
parent 531a2584c6
commit 2cdd43432e
6 changed files with 238 additions and 326 deletions
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108
src/mac/bitmap.cpp
View File

@@ -369,6 +369,9 @@ wxBitmapRefData::wxBitmapRefData()
// TODO move this to a public function of Bitmap Ref
static void DisposeBitmapRefData(wxBitmapRefData *data)
{
if ( !data )
return ;
switch (data->m_bitmapType)
{
case kMacBitmapTypePict :
@@ -637,6 +640,9 @@ int wxBitmap::GetBitmapType() const
void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
{
if (!M_BITMAPDATA)
m_refData = new wxBitmapRefData;
else
DisposeBitmapRefData( M_BITMAPDATA ) ;
M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
@@ -644,6 +650,30 @@ void wxBitmap::SetHBITMAP(WXHBITMAP 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();
@@ -1010,7 +1040,7 @@ WXHMETAFILE wxBitmap::GetPict() const
{
wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
PicHandle picture; // This is the returned picture
PicHandle picture = NULL ; // This is the returned picture
// If bitmap already in Pict format return pointer
if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
@@ -1020,82 +1050,18 @@ WXHMETAFILE wxBitmap::GetPict() const
// Invalid bitmap
return NULL;
}
RGBColor gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
RGBColor white = { 0xffff ,0xffff , 0xffff } ;
RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
CGrafPtr origPort;
GDHandle origDev ;
wxMask *mask;
Rect portRect ;
GetPortBounds( (GWorldPtr) GetHBITMAP() , &portRect ) ;
int width = portRect.right - portRect.left ;
int height = portRect.bottom - portRect.top ;
LockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP() ) ) ;
GetGWorld( &origPort , &origDev ) ;
mask = GetMask();
SetGWorld( (GWorldPtr) GetHBITMAP() , NULL ) ;
picture = OpenPicture(&portRect); // open a picture, this disables drawing
if(!picture) {
return NULL;
}
if( mask )
else
{
#ifdef __DARWIN__
RGBColor trans = white;
#else
RGBBackColor( &gray );
EraseRect( &portRect );
RGBColor trans = gray;
#endif
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
PenMode(transparent);
for ( int y = 0 ; y < height ; ++y )
if ( GetMask() )
{
for( int x = 0 ; x < width ; ++x )
{
if ( !mask->PointMasked(x,y) )
{
RGBColor col ;
GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
}
else {
// With transparency this sets a blank pixel
SetCPixel( x + portRect.left , y + portRect.top , &trans);
}
}
}
picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , MAC_WXHBITMAP(GetMask()->GetMaskBitmap() ) ) ;
}
else
{
RGBBackColor( &gray ) ;
EraseRect(&portRect);
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
CopyBits(GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()),
// src PixMap - we copy image over itself -
GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()),
// 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
picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
}
ClosePicture(); // We are done recording the picture
UnlockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP() ) ) ;
SetGWorld( origPort , origDev ) ;
return picture; // return our groovy pict handle
}
return picture ;
}
/*

108
src/mac/carbon/bitmap.cpp
View File

@@ -369,6 +369,9 @@ wxBitmapRefData::wxBitmapRefData()
// TODO move this to a public function of Bitmap Ref
static void DisposeBitmapRefData(wxBitmapRefData *data)
{
if ( !data )
return ;
switch (data->m_bitmapType)
{
case kMacBitmapTypePict :
@@ -637,6 +640,9 @@ int wxBitmap::GetBitmapType() const
void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
{
if (!M_BITMAPDATA)
m_refData = new wxBitmapRefData;
else
DisposeBitmapRefData( M_BITMAPDATA ) ;
M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
@@ -644,6 +650,30 @@ void wxBitmap::SetHBITMAP(WXHBITMAP 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();
@@ -1010,7 +1040,7 @@ WXHMETAFILE wxBitmap::GetPict() const
{
wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
PicHandle picture; // This is the returned picture
PicHandle picture = NULL ; // This is the returned picture
// If bitmap already in Pict format return pointer
if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
@@ -1020,82 +1050,18 @@ WXHMETAFILE wxBitmap::GetPict() const
// Invalid bitmap
return NULL;
}
RGBColor gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
RGBColor white = { 0xffff ,0xffff , 0xffff } ;
RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
CGrafPtr origPort;
GDHandle origDev ;
wxMask *mask;
Rect portRect ;
GetPortBounds( (GWorldPtr) GetHBITMAP() , &portRect ) ;
int width = portRect.right - portRect.left ;
int height = portRect.bottom - portRect.top ;
LockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP() ) ) ;
GetGWorld( &origPort , &origDev ) ;
mask = GetMask();
SetGWorld( (GWorldPtr) GetHBITMAP() , NULL ) ;
picture = OpenPicture(&portRect); // open a picture, this disables drawing
if(!picture) {
return NULL;
}
if( mask )
else
{
#ifdef __DARWIN__
RGBColor trans = white;
#else
RGBBackColor( &gray );
EraseRect( &portRect );
RGBColor trans = gray;
#endif
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
PenMode(transparent);
for ( int y = 0 ; y < height ; ++y )
if ( GetMask() )
{
for( int x = 0 ; x < width ; ++x )
{
if ( !mask->PointMasked(x,y) )
{
RGBColor col ;
GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
}
else {
// With transparency this sets a blank pixel
SetCPixel( x + portRect.left , y + portRect.top , &trans);
}
}
}
picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , MAC_WXHBITMAP(GetMask()->GetMaskBitmap() ) ) ;
}
else
{
RGBBackColor( &gray ) ;
EraseRect(&portRect);
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
CopyBits(GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()),
// src PixMap - we copy image over itself -
GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()),
// 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
picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
}
ClosePicture(); // We are done recording the picture
UnlockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP() ) ) ;
SetGWorld( origPort , origDev ) ;
return picture; // return our groovy pict handle
}
return picture ;
}
/*

52
src/mac/carbon/clipbrd.cpp
View File

@@ -23,7 +23,7 @@
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/mac/private.h"
#include "wx/mac/uma.h"
#ifndef __DARWIN__
#include <Scrap.h>
#endif
@@ -45,6 +45,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
OSStatus err = noErr ;
#endif
void * data = NULL ;
Size byteCount;
switch (dataFormat.GetType())
{
@@ -54,6 +55,9 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
case wxDF_TEXT:
break;
case wxDF_BITMAP :
case wxDF_METAFILE :
break ;
default:
{
wxLogError(_("Unsupported clipboard format."));
@@ -68,7 +72,6 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
if ( err != noTypeErr && err != memFullErr )
{
ScrapFlavorFlags flavorFlags;
Size byteCount;
if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
{
@@ -101,7 +104,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
HUnlock( datahandle ) ;
if ( GetHandleSize( datahandle ) > 0 )
{
long byteCount = GetHandleSize( datahandle ) ;
byteCount = GetHandleSize( datahandle ) ;
if ( dataFormat.GetType() == wxDF_TEXT )
data = new char[ byteCount + 1] ;
else
@@ -122,7 +125,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
}
if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
{
wxMacConvertToPC((char*)data) ;
wxMacConvertToPC((char*)data,(char*)data,byteCount) ;
}
return data;
}
@@ -240,16 +243,7 @@ bool wxClipboard::AddData( wxDataObject *data )
{
mac = textDataObject->GetText() ;
}
#if !TARGET_CARBON
err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
#else
ScrapRef scrap;
err = GetCurrentScrap (&scrap);
if ( !err )
{
err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
}
#endif
err = UMAPutScrap( mac.Length() , 'TEXT' , (void*) mac.c_str() ) ;
}
break ;
@@ -261,22 +255,26 @@ bool wxClipboard::AddData( wxDataObject *data )
wxMetafile metaFile = metaFileDataObject->GetMetafile();
PicHandle pict = (PicHandle) metaFile.GetHMETAFILE() ;
HLock( (Handle) pict ) ;
#if !TARGET_CARBON
err = PutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
#else
ScrapRef scrap;
err = GetCurrentScrap (&scrap);
if ( !err )
{
err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
}
#endif
err = UMAPutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
HUnlock( (Handle) pict ) ;
}
break ;
#endif
case wxDF_BITMAP:
case wxDF_DIB:
{
PicHandle pict = NULL ;
wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data ;
bool created = bitmapDataObject->GetBitmap().GetBitmapType() != kMacBitmapTypePict ;
pict = (PicHandle) bitmapDataObject->GetBitmap().GetPict() ;
HLock( (Handle) pict ) ;
err = UMAPutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
HUnlock( (Handle) pict ) ;
if ( created && pict)
KillPicture( pict ) ;
}
default:
break ;
}
@@ -375,8 +373,10 @@ bool wxClipboard::GetData( wxDataObject& data )
switch ( format.GetType() )
{
case wxDF_TEXT:
case wxDF_OEMTEXT:
case wxDF_TEXT :
case wxDF_OEMTEXT :
case wxDF_BITMAP :
case wxDF_METAFILE :
{
long len ;
char* s = (char*)wxGetClipboardData(format, &len );

74
src/mac/carbon/dataobj.cpp
View File

@@ -230,34 +230,51 @@ wxBitmapDataObject::wxBitmapDataObject(
: wxBitmapDataObjectBase(rBitmap)
{
Init();
DoConvertToPng();
if ( m_bitmap.Ok() )
{
m_pngData = m_bitmap.GetPict() ;
m_pngSize = GetHandleSize( (Handle) m_pngData ) ;
}
}
wxBitmapDataObject::~wxBitmapDataObject()
{
Clear();
if ( m_pngData && m_bitmap.GetBitmapType() != kMacBitmapTypePict )
{
KillPicture( (PicHandle) m_pngData ) ;
}
m_pngData = NULL ;
m_pngSize = 0 ;
}
void wxBitmapDataObject::SetBitmap(
const wxBitmap& rBitmap
)
{
ClearAll();
if ( m_pngData && m_bitmap.GetBitmapType() != kMacBitmapTypePict )
{
KillPicture( (PicHandle) m_pngData ) ;
}
m_pngData = NULL ;
m_pngSize = 0 ;
wxBitmapDataObjectBase::SetBitmap(rBitmap);
DoConvertToPng();
if ( m_bitmap.Ok() )
{
m_pngData = m_bitmap.GetPict() ;
m_pngSize = GetHandleSize( (Handle) m_pngData ) ;
}
}
bool wxBitmapDataObject::GetDataHere(
void* pBuf
) const
{
if (!m_pngSize)
if (!m_pngData)
{
wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
return FALSE;
}
memcpy(pBuf, m_pngData, m_pngSize);
memcpy(pBuf, *(Handle)m_pngData, GetHandleSize((Handle)m_pngData));
return TRUE;
}
@@ -267,41 +284,14 @@ bool wxBitmapDataObject::SetData(
)
{
Clear();
m_pngSize = nSize;
m_pngData = malloc(m_pngSize);
PicHandle picHandle = (PicHandle) NewHandle( nSize ) ;
memcpy( *picHandle , pBuf , nSize ) ;
m_pngData = picHandle ;
m_pngSize = GetHandleSize( (Handle) picHandle ) ;
Rect frame = (**picHandle).picFrame ;
memcpy(m_pngData, pBuf, m_pngSize);
wxMemoryInputStream vMstream((char*)m_pngData, m_pngSize);
wxImage vImage;
wxPNGHandler vHandler;
if (!vHandler.LoadFile(&vImage, vMstream))
{
return FALSE;
}
m_bitmap = wxBitmap( vImage ) ;
m_bitmap.SetPict( m_pngData ) ;
m_bitmap.SetWidth( frame.right - frame.left ) ;
m_bitmap.SetHeight( frame.bottom - frame.top ) ;
return m_bitmap.Ok();
}
void wxBitmapDataObject::DoConvertToPng()
{
if (!m_bitmap.Ok())
return;
wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
wxImage image = m_bitmap.ConvertToImage();
wxCountingOutputStream count;
image.SaveFile(count, wxBITMAP_TYPE_PNG);
m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
m_pngData = malloc(m_pngSize);
wxMemoryOutputStream mstream((char*) m_pngData, m_pngSize);
image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
}

52
src/mac/clipbrd.cpp
View File

@@ -23,7 +23,7 @@
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/mac/private.h"
#include "wx/mac/uma.h"
#ifndef __DARWIN__
#include <Scrap.h>
#endif
@@ -45,6 +45,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
OSStatus err = noErr ;
#endif
void * data = NULL ;
Size byteCount;
switch (dataFormat.GetType())
{
@@ -54,6 +55,9 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
case wxDF_TEXT:
break;
case wxDF_BITMAP :
case wxDF_METAFILE :
break ;
default:
{
wxLogError(_("Unsupported clipboard format."));
@@ -68,7 +72,6 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
if ( err != noTypeErr && err != memFullErr )
{
ScrapFlavorFlags flavorFlags;
Size byteCount;
if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
{
@@ -101,7 +104,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
HUnlock( datahandle ) ;
if ( GetHandleSize( datahandle ) > 0 )
{
long byteCount = GetHandleSize( datahandle ) ;
byteCount = GetHandleSize( datahandle ) ;
if ( dataFormat.GetType() == wxDF_TEXT )
data = new char[ byteCount + 1] ;
else
@@ -122,7 +125,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
}
if ( dataFormat.GetType() == wxDF_TEXT && wxApp::s_macDefaultEncodingIsPC )
{
wxMacConvertToPC((char*)data) ;
wxMacConvertToPC((char*)data,(char*)data,byteCount) ;
}
return data;
}
@@ -240,16 +243,7 @@ bool wxClipboard::AddData( wxDataObject *data )
{
mac = textDataObject->GetText() ;
}
#if !TARGET_CARBON
err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
#else
ScrapRef scrap;
err = GetCurrentScrap (&scrap);
if ( !err )
{
err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
}
#endif
err = UMAPutScrap( mac.Length() , 'TEXT' , (void*) mac.c_str() ) ;
}
break ;
@@ -261,22 +255,26 @@ bool wxClipboard::AddData( wxDataObject *data )
wxMetafile metaFile = metaFileDataObject->GetMetafile();
PicHandle pict = (PicHandle) metaFile.GetHMETAFILE() ;
HLock( (Handle) pict ) ;
#if !TARGET_CARBON
err = PutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
#else
ScrapRef scrap;
err = GetCurrentScrap (&scrap);
if ( !err )
{
err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
}
#endif
err = UMAPutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
HUnlock( (Handle) pict ) ;
}
break ;
#endif
case wxDF_BITMAP:
case wxDF_DIB:
{
PicHandle pict = NULL ;
wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data ;
bool created = bitmapDataObject->GetBitmap().GetBitmapType() != kMacBitmapTypePict ;
pict = (PicHandle) bitmapDataObject->GetBitmap().GetPict() ;
HLock( (Handle) pict ) ;
err = UMAPutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
HUnlock( (Handle) pict ) ;
if ( created && pict)
KillPicture( pict ) ;
}
default:
break ;
}
@@ -375,8 +373,10 @@ bool wxClipboard::GetData( wxDataObject& data )
switch ( format.GetType() )
{
case wxDF_TEXT:
case wxDF_OEMTEXT:
case wxDF_TEXT :
case wxDF_OEMTEXT :
case wxDF_BITMAP :
case wxDF_METAFILE :
{
long len ;
char* s = (char*)wxGetClipboardData(format, &len );

74
src/mac/dataobj.cpp
View File

@@ -230,34 +230,51 @@ wxBitmapDataObject::wxBitmapDataObject(
: wxBitmapDataObjectBase(rBitmap)
{
Init();
DoConvertToPng();
if ( m_bitmap.Ok() )
{
m_pngData = m_bitmap.GetPict() ;
m_pngSize = GetHandleSize( (Handle) m_pngData ) ;
}
}
wxBitmapDataObject::~wxBitmapDataObject()
{
Clear();
if ( m_pngData && m_bitmap.GetBitmapType() != kMacBitmapTypePict )
{
KillPicture( (PicHandle) m_pngData ) ;
}
m_pngData = NULL ;
m_pngSize = 0 ;
}
void wxBitmapDataObject::SetBitmap(
const wxBitmap& rBitmap
)
{
ClearAll();
if ( m_pngData && m_bitmap.GetBitmapType() != kMacBitmapTypePict )
{
KillPicture( (PicHandle) m_pngData ) ;
}
m_pngData = NULL ;
m_pngSize = 0 ;
wxBitmapDataObjectBase::SetBitmap(rBitmap);
DoConvertToPng();
if ( m_bitmap.Ok() )
{
m_pngData = m_bitmap.GetPict() ;
m_pngSize = GetHandleSize( (Handle) m_pngData ) ;
}
}
bool wxBitmapDataObject::GetDataHere(
void* pBuf
) const
{
if (!m_pngSize)
if (!m_pngData)
{
wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
return FALSE;
}
memcpy(pBuf, m_pngData, m_pngSize);
memcpy(pBuf, *(Handle)m_pngData, GetHandleSize((Handle)m_pngData));
return TRUE;
}
@@ -267,41 +284,14 @@ bool wxBitmapDataObject::SetData(
)
{
Clear();
m_pngSize = nSize;
m_pngData = malloc(m_pngSize);
PicHandle picHandle = (PicHandle) NewHandle( nSize ) ;
memcpy( *picHandle , pBuf , nSize ) ;
m_pngData = picHandle ;
m_pngSize = GetHandleSize( (Handle) picHandle ) ;
Rect frame = (**picHandle).picFrame ;
memcpy(m_pngData, pBuf, m_pngSize);
wxMemoryInputStream vMstream((char*)m_pngData, m_pngSize);
wxImage vImage;
wxPNGHandler vHandler;
if (!vHandler.LoadFile(&vImage, vMstream))
{
return FALSE;
}
m_bitmap = wxBitmap( vImage ) ;
m_bitmap.SetPict( m_pngData ) ;
m_bitmap.SetWidth( frame.right - frame.left ) ;
m_bitmap.SetHeight( frame.bottom - frame.top ) ;
return m_bitmap.Ok();
}
void wxBitmapDataObject::DoConvertToPng()
{
if (!m_bitmap.Ok())
return;
wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
wxImage image = m_bitmap.ConvertToImage();
wxCountingOutputStream count;
image.SaveFile(count, wxBITMAP_TYPE_PNG);
m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
m_pngData = malloc(m_pngSize);
wxMemoryOutputStream mstream((char*) m_pngData, m_pngSize);
image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
}