#ifndef _WX_RAWBMP_H_
#define _WX_RAWBMP_H_
+#include "wx/defs.h"
+
+#ifdef wxHAS_RAW_BITMAP
+
#include "wx/image.h"
+#include "wx/bitmap.h"
// ----------------------------------------------------------------------------
// Abstract Pixel API
*/
/*
- Note: we do not use WXDLLEXPORT with classes in this file because VC++ has
+ Note: we do not use WXDLLIMPEXP_CORE with classes in this file because VC++ has
problems with exporting inner class defined inside a specialization of a
template class from a DLL. Besides, as all the methods are inline it's not
really necessary to put them in DLL at all.
// the pixel format we use
typedef wxImagePixelFormat PixelFormat;
- // the type of the pixel components
- typedef typename dummyPixelFormat::ChannelType ChannelType;
-
// the pixel data we're working with
typedef
wxPixelDataOut<wxImage>::wxPixelDataIn<PixelFormat> PixelData;
// data access
// -----------
- // access to invidividual colour components
- ChannelType& Red() { return m_pRGB[PixelFormat::RED]; }
- ChannelType& Green() { return m_pRGB[PixelFormat::GREEN]; }
- ChannelType& Blue() { return m_pRGB[PixelFormat::BLUE]; }
- ChannelType& Alpha() { return *m_pAlpha; }
+ // access to individual colour components
+ PixelFormat::ChannelType& Red() { return m_pRGB[PixelFormat::RED]; }
+ PixelFormat::ChannelType& Green() { return m_pRGB[PixelFormat::GREEN]; }
+ PixelFormat::ChannelType& Blue() { return m_pRGB[PixelFormat::BLUE]; }
+ PixelFormat::ChannelType& Alpha() { return *m_pAlpha; }
+
+ // address the pixel contents directly (always RGB, without alpha)
+ //
+ // this can't be used to modify the image as assigning a 32bpp
+ // value to 24bpp pixel would overwrite an extra byte in the next
+ // pixel or beyond the end of image
+ const typename PixelFormat::PixelType& Data()
+ { return *(typename PixelFormat::PixelType *)m_pRGB; }
// private: -- see comment in the beginning of the file
{
m_width = image.GetWidth();
m_height = image.GetHeight();
- m_stride = Iterator::SizePixel * m_width;
+ m_stride = Iterator::PixelFormat::SizePixel * m_width;
}
// initializes us with the given region of the specified image
const wxPoint& pt,
const wxSize& sz) : m_image(image), m_pixels(image)
{
- m_stride = Iterator::SizePixel * m_width;
+ m_stride = Iterator::PixelFormat::SizePixel * m_width;
InitRect(pt, sz);
}
wxPixelDataIn(ImageType& image,
const wxRect& rect) : m_image(image), m_pixels(image)
{
- m_stride = Iterator::SizePixel * m_width;
+ m_stride = Iterator::PixelFormat::SizePixel * m_width;
InitRect(rect.GetPosition(), rect.GetSize());
}
// address the pixel contents directly
//
// warning: the format is platform dependent
+ //
+ // warning 2: assigning to Data() only works correctly for 16bpp or
+ // 32bpp formats but using it for 24bpp ones overwrites
+ // one extra byte and so can't be done
typename PixelFormat::PixelType& Data()
{ return *(typename PixelFormat::PixelType *)m_ptr; }
#if WXWIN_COMPATIBILITY_2_8
// not needed anymore, calls to it should be simply removed
- wxDEPRECATED_INLINE( void UseAlpha(), wxEMPTY_PARAMETER_VALUE );
+ wxDEPRECATED_INLINE( void UseAlpha(), wxEMPTY_PARAMETER_VALUE )
#endif
// private: -- see comment in the beginning of the file
#endif //wxUSE_GUI
-template <class Image, class PixelFormat = wxPixelFormatFor<Image> >
+// FIXME-VC6: VC6 doesn't like typename in default template parameters while
+// it is necessary with standard-conforming compilers, remove this
+// #define and just use typename when we drop VC6 support
+#if defined(__VISUALC__) && !wxCHECK_VISUALC_VERSION(7)
+ #define wxTYPENAME_IN_TEMPLATE_DEFAULT_PARAM
+#else
+ #define wxTYPENAME_IN_TEMPLATE_DEFAULT_PARAM typename
+#endif
+
+template <class Image,
+ class PixelFormat = wxTYPENAME_IN_TEMPLATE_DEFAULT_PARAM
+ wxPixelFormatFor<Image>::Format >
class wxPixelData :
public wxPixelDataOut<Image>::template wxPixelDataIn<PixelFormat>
{
{
};
+#endif // wxHAS_RAW_BITMAP
#endif // _WX_RAWBMP_H_