X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b6d5d4548c2c8b984314650dcb96522fedc51d86..472eec8a0391538e4dcf7f7c6c4f4d44c8383616:/include/wx/rawbmp.h diff --git a/include/wx/rawbmp.h b/include/wx/rawbmp.h index 4edf2cd974..3e599a602b 100644 --- a/include/wx/rawbmp.h +++ b/include/wx/rawbmp.h @@ -5,12 +5,14 @@ // Modified by: // Created: 10.03.03 // RCS-ID: $Id$ -// Copyright: (c) 2002 Vadim Zeitlin +// Copyright: (c) 2002 Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifndef _WX_RAWBMP_H_BASE_ -#define _WX_RAWBMP_H_BASE_ +#ifndef _WX_RAWBMP_H_ +#define _WX_RAWBMP_H_ + +#include "wx/image.h" // ---------------------------------------------------------------------------- // Abstract Pixel API @@ -69,10 +71,12 @@ } */ -#ifdef __VISUALC__ - // VC++ gives an absolutely harmless warning for wxPixelData ctor - #pragma warning(disable: 4355) // 'this' used in initializer list -#endif +/* + Note: we do not use WXDLLEXPORT 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. + */ // ---------------------------------------------------------------------------- // wxPixelFormat @@ -105,7 +109,7 @@ template -struct WXDLLEXPORT wxPixelFormat +struct wxPixelFormat { // iterator over pixels is usually of type "ChannelType *" typedef Channel ChannelType; @@ -144,7 +148,7 @@ typedef wxPixelFormat wxImagePixelFormat; // the (most common) native bitmap format without alpha support #if defined(__WXMSW__) - // under MSW the RGB components are inversed, they're in BGR order + // under MSW the RGB components are reversed, they're in BGR order typedef wxPixelFormat wxNativePixelFormat; #define wxPIXEL_FORMAT_ALPHA 3 @@ -154,6 +158,21 @@ typedef wxPixelFormat wxImagePixelFormat; typedef wxPixelFormat wxNativePixelFormat; #define wxPIXEL_FORMAT_ALPHA 0 +#elif defined(__WXCOCOA__) + // Cocoa is standard RGB or RGBA (normally it is RGBA) + typedef wxPixelFormat wxNativePixelFormat; + + #define wxPIXEL_FORMAT_ALPHA 3 +#elif defined(__WXGTK__) + // Under GTK+ 2.X we use GdkPixbuf, which is standard RGB or RGBA + typedef wxPixelFormat wxNativePixelFormat; + + #define wxPIXEL_FORMAT_ALPHA 3 +#elif defined(__WXDFB__) + // Under DirectFB, RGB components are reversed, they're in BGR order + typedef wxPixelFormat wxNativePixelFormat; + + #define wxPIXEL_FORMAT_ALPHA 3 #endif // the (most common) native format for bitmaps with alpha channel @@ -169,14 +188,16 @@ typedef wxPixelFormat wxImagePixelFormat; // used as default value for the pixel format in wxPixelIterator template template struct wxPixelFormatFor; +#if wxUSE_IMAGE // wxPixelFormatFor is only defined for wxImage, attempt to use it with other // classes (wxBitmap...) will result in compile errors which is exactly what we // want template <> -struct WXDLLEXPORT wxPixelFormatFor +struct wxPixelFormatFor { typedef wxImagePixelFormat Format; }; +#endif //wxUSE_IMAGE // ---------------------------------------------------------------------------- // wxPixelData @@ -186,7 +207,7 @@ struct WXDLLEXPORT wxPixelFormatFor wxPixelDataBase is just a helper for wxPixelData: it contains things common to both wxImage and wxBitmap specializations. */ -class WXDLLEXPORT wxPixelDataBase +class wxPixelDataBase { public: // origin of the rectangular region we represent @@ -196,6 +217,8 @@ public: int GetWidth() const { return m_width; } int GetHeight() const { return m_height; } + wxSize GetSize() const { return wxSize(m_width, m_height); } + // the distance between two rows int GetRowStride() const { return m_stride; } @@ -252,26 +275,28 @@ protected: // we need to define this skeleton template to mollify VC++ template -struct WXDLLEXPORT wxPixelDataOut +struct wxPixelDataOut { template - class WXDLLEXPORT wxPixelDataIn + class wxPixelDataIn { public: class Iterator { }; }; }; +#if wxUSE_IMAGE // wxPixelData specialization for wxImage: this is the simplest case as we // don't have to care about different pixel formats here template <> -struct WXDLLEXPORT wxPixelDataOut +struct wxPixelDataOut { // NB: this is a template class even though it doesn't use its template // parameter because otherwise wxPixelData couldn't compile template - class WXDLLEXPORT wxPixelDataIn : public wxPixelDataBase + class wxPixelDataIn : public wxPixelDataBase { + public: // the type of the class we're working with typedef wxImage ImageType; @@ -381,9 +406,9 @@ struct WXDLLEXPORT wxPixelDataOut // ----------- // access to invidividual colour components - ChannelType& Red() { return m_ptr[PixelFormat::RED]; } - ChannelType& Green() { return m_ptr[PixelFormat::GREEN]; } - ChannelType& Blue() { return m_ptr[PixelFormat::BLUE]; } + 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; } // private: -- see comment in the beginning of the file @@ -419,7 +444,7 @@ struct WXDLLEXPORT wxPixelDataOut { m_stride = Iterator::SizePixel * m_width; - InitRect(rect.GetPositions(), rect.GetSize()); + InitRect(rect.GetPosition(), rect.GetSize()); } // we evaluate to true only if we could get access to bitmap data @@ -446,14 +471,16 @@ struct WXDLLEXPORT wxPixelDataOut Iterator m_pixels; }; }; +#endif //wxUSE_IMAGE +#if wxUSE_GUI // wxPixelData specialization for wxBitmap: here things are more interesting as // we also have to support different pixel formats template <> -struct WXDLLEXPORT wxPixelDataOut +struct wxPixelDataOut { template - class WXDLLEXPORT wxPixelDataIn : public wxPixelDataBase + class wxPixelDataIn : public wxPixelDataBase { public: // the type of the class we're working with @@ -498,6 +525,12 @@ struct WXDLLEXPORT wxPixelDataOut bmp.GetRawData(data, PixelFormat::BitsPerPixel); } + // default constructor + Iterator() + { + m_ptr = NULL; + } + // return true if this iterator is valid bool IsOk() const { return m_ptr != NULL; } @@ -567,10 +600,9 @@ struct WXDLLEXPORT wxPixelDataOut // private: -- see comment in the beginning of the file - // NB: for efficiency reasons this class must *not* have any other - // fields, otherwise it won't be put into a CPU register (as it - // should inside the inner loops) by some compilers, notably - // gcc + // for efficiency reasons this class should not have any other + // fields, otherwise it won't be put into a CPU register (as it + // should inside the inner loops) by some compilers, notably gcc ChannelType *m_ptr; }; @@ -585,7 +617,7 @@ struct WXDLLEXPORT wxPixelDataOut wxPixelDataIn(wxBitmap& bmp, const wxRect& rect) : m_bmp(bmp), m_pixels(bmp, *this) { - InitRect(rect.GetPositions(), rect.GetSize()); + InitRect(rect.GetPosition(), rect.GetSize()); } wxPixelDataIn(wxBitmap& bmp, const wxPoint& pt, const wxSize& sz) @@ -604,11 +636,22 @@ struct WXDLLEXPORT wxPixelDataOut // dtor unlocks the bitmap ~wxPixelDataIn() { - m_bmp.UngetRawData(*this); + if ( m_pixels.IsOk() ) + { +#if defined(__WXMSW__) || defined(__WXMAC__) + // this is a hack to mark wxBitmap as using alpha channel + if ( Format::HasAlpha ) + m_bmp.UseAlpha(); +#endif + m_bmp.UngetRawData(*this); + } + // else: don't call UngetRawData() if GetRawData() failed } - // call this to indicate that we should use the alpha channel - void UseAlpha() { m_bmp.UseAlpha(); } +#if WXWIN_COMPATIBILITY_2_8 + // not needed anymore, calls to it should be simply removed + wxDEPRECATED_INLINE( void UseAlpha(), wxEMPTY_PARAMETER_VALUE ) +#endif // private: -- see comment in the beginning of the file @@ -630,13 +673,7 @@ struct WXDLLEXPORT wxPixelDataOut }; }; -#ifdef __VISUALC__ - // typedef-name 'foo' used as synonym for class-name 'bar' - // (VC++ gives this warning each time wxPixelData::Base is used but it - // doesn't make any sense here -- what's wrong with using typedef instead - // of class, this is what it is here for!) - #pragma warning(disable: 4097) -#endif // __VISUALC__ +#endif //wxUSE_GUI template > class wxPixelData : @@ -657,12 +694,16 @@ public: } }; - // some "predefined" pixel data classes +#if wxUSE_IMAGE typedef wxPixelData wxImagePixelData; +#endif //wxUSE_IMAGE +#if wxUSE_GUI typedef wxPixelData wxNativePixelData; typedef wxPixelData wxAlphaPixelData; +#endif //wxUSE_GUI + // ---------------------------------------------------------------------------- // wxPixelIterator // ---------------------------------------------------------------------------- @@ -680,14 +721,8 @@ typedef wxPixelData wxAlphaPixelData; partial template specialization then and neither VC6 nor VC7 provide it. */ template < class Image, class PixelFormat = wxPixelFormatFor > -struct WXDLLEXPORT wxPixelIterator : wxPixelData::Iterator +struct wxPixelIterator : public wxPixelData::Iterator { }; -#ifdef __VISUALC__ - #pragma warning(default: 4355) - #pragma warning(default: 4097) -#endif - -#endif // _WX_RAWBMP_H_BASE_ - +#endif // _WX_RAWBMP_H_