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use AllocExclusive in wxImage

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39766 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2006-06-17 19:09:28 +00:00
parent cb5bc9b7e2
commit a0f81e9f15
2 changed files with 67 additions and 26 deletions
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3
include/wx/image.h
View File

@ -393,6 +393,9 @@ protected:
// note that index must be multiplied by 3 when using it with RGB array
long XYToIndex(int x, int y) const;
virtual wxObjectRefData* CreateRefData() const;
virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
private:
friend class WXDLLEXPORT wxImageHandler;

90
src/common/image.cpp
View File

@ -108,7 +108,7 @@ wxImage wxNullImage;
//-----------------------------------------------------------------------------
#define M_IMGDATA ((wxImageRefData *)m_refData)
#define M_IMGDATA wx_static_cast(wxImageRefData*, m_refData)
IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject)
@ -235,36 +235,48 @@ void wxImage::Destroy()
UnRef();
}
wxObjectRefData* wxImage::CreateRefData() const
{
return new wxImageRefData;
}
wxObjectRefData* wxImage::CloneRefData(const wxObjectRefData* that) const
{
const wxImageRefData* refData = wx_static_cast(const wxImageRefData*, that);
wxCHECK_MSG(refData->m_ok, NULL, wxT("invalid image") );
wxImageRefData* refData_new = new wxImageRefData;
refData_new->m_width = refData->m_width;
refData_new->m_height = refData->m_height;
refData_new->m_maskRed = refData->m_maskRed;
refData_new->m_maskGreen = refData->m_maskGreen;
refData_new->m_maskBlue = refData->m_maskBlue;
refData_new->m_hasMask = refData->m_hasMask;
refData_new->m_ok = true;
unsigned size = unsigned(refData->m_width) * unsigned(refData->m_height);
if (refData->m_alpha != NULL)
{
refData_new->m_alpha = (unsigned char*)malloc(size);
memcpy(refData_new->m_alpha, refData->m_alpha, size);
}
size *= 3;
refData_new->m_data = (unsigned char*)malloc(size);
memcpy(refData_new->m_data, refData->m_data, size);
#if wxUSE_PALETTE
refData_new->m_palette = refData->m_palette;
#endif
refData_new->m_optionNames = refData->m_optionNames;
refData_new->m_optionValues = refData->m_optionValues;
return refData_new;
}
wxImage wxImage::Copy() const
{
wxImage image;
wxCHECK_MSG( Ok(), image, wxT("invalid image") );
image.Create( M_IMGDATA->m_width, M_IMGDATA->m_height, false );
unsigned char *data = image.GetData();
wxCHECK_MSG( data, image, wxT("unable to create image") );
image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue );
image.SetMask( M_IMGDATA->m_hasMask );
memcpy( data, GetData(), M_IMGDATA->m_width*M_IMGDATA->m_height*3 );
wxImageRefData *imgData = (wxImageRefData *)image.m_refData;
// also copy the alpha channel
if (HasAlpha())
{
image.SetAlpha();
unsigned char* alpha = image.GetAlpha();
memcpy( alpha, GetAlpha(), M_IMGDATA->m_width*M_IMGDATA->m_height );
}
// also copy the image options
imgData->m_optionNames = M_IMGDATA->m_optionNames;
imgData->m_optionValues = M_IMGDATA->m_optionValues;
image.m_refData = CloneRefData(m_refData);
return image;
}
@ -272,7 +284,7 @@ wxImage wxImage::Copy() const
wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const
{
if( xFactor == 1 && yFactor == 1 )
return Copy() ;
return *this;
wxImage image;
@ -731,6 +743,8 @@ void wxImage::Paste( const wxImage &image, int x, int y )
wxCHECK_RET( Ok(), wxT("invalid image") );
wxCHECK_RET( image.Ok(), wxT("invalid image") );
AllocExclusive();
int xx = 0;
int yy = 0;
int width = image.GetWidth();
@ -812,6 +826,8 @@ void wxImage::Replace( unsigned char r1, unsigned char g1, unsigned char b1,
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
unsigned char *data = GetData();
const int w = GetWidth();
@ -948,6 +964,8 @@ void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned c
long pos = XYToIndex(x, y);
wxCHECK_RET( pos != -1, wxT("invalid image coordinates") );
AllocExclusive();
pos *= 3;
M_IMGDATA->m_data[ pos ] = r;
@ -959,6 +977,8 @@ void wxImage::SetRGB( const wxRect& rect_, unsigned char r, unsigned char g, uns
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
wxRect rect(rect_);
wxRect imageRect(0, 0, GetWidth(), GetHeight());
if ( rect == wxRect() )
@ -1097,6 +1117,8 @@ void wxImage::SetAlpha(int x, int y, unsigned char alpha)
long pos = XYToIndex(x, y);
wxCHECK_RET( pos != -1, wxT("invalid image coordinates") );
AllocExclusive();
M_IMGDATA->m_alpha[pos] = alpha;
}
@ -1139,6 +1161,8 @@ void wxImage::SetAlpha( unsigned char *alpha, bool static_data )
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
if ( !alpha )
{
alpha = (unsigned char *)malloc(M_IMGDATA->m_width*M_IMGDATA->m_height);
@ -1200,6 +1224,8 @@ void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b )
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
M_IMGDATA->m_maskRed = r;
M_IMGDATA->m_maskGreen = g;
M_IMGDATA->m_maskBlue = b;
@ -1249,6 +1275,8 @@ void wxImage::SetMask( bool mask )
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
M_IMGDATA->m_hasMask = mask;
}
@ -1308,6 +1336,8 @@ bool wxImage::SetMaskFromImage(const wxImage& mask,
return false ;
}
AllocExclusive();
unsigned char *imgdata = GetData();
unsigned char *maskdata = mask.GetData();
@ -1347,6 +1377,8 @@ bool wxImage::ConvertAlphaToMask(unsigned char threshold)
return false;
}
AllocExclusive();
SetMask(true);
SetMaskColour(mr, mg, mb);
@ -1400,6 +1432,8 @@ void wxImage::SetPalette(const wxPalette& palette)
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
M_IMGDATA->m_palette = palette;
}
@ -1413,6 +1447,8 @@ void wxImage::SetOption(const wxString& name, const wxString& value)
{
wxCHECK_RET( Ok(), wxT("invalid image") );
AllocExclusive();
int idx = M_IMGDATA->m_optionNames.Index(name, false);
if (idx == wxNOT_FOUND)
{
@ -2017,6 +2053,8 @@ wxImage::RGBValue wxImage::HSVtoRGB(const HSVValue& hsv)
*/
void wxImage::RotateHue(double angle)
{
AllocExclusive();
unsigned char *srcBytePtr;
unsigned char *dstBytePtr;
unsigned long count;