1907 lines
52 KiB
C++
1907 lines
52 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/osx/core/bitmap.cpp
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// Purpose: wxBitmap
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// Author: Stefan Csomor
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// Modified by:
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// Created: 1998-01-01
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// Copyright: (c) Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#include "wx/bitmap.h"
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/dcmemory.h"
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#include "wx/icon.h"
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#include "wx/image.h"
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#endif
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#include "wx/metafile.h"
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#include "wx/xpmdecod.h"
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#include "wx/rawbmp.h"
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#include "wx/filename.h"
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wxIMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject);
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wxIMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject);
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#include "wx/osx/private.h"
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CGColorSpaceRef wxMacGetGenericRGBColorSpace();
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CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf );
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// Implementation Notes
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// --------------------
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//
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// A bitmap can be represented using an NSImage or a CGBitmapContextRef
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// If raw bitmap data needs to be accessed, then even the NSImage has to be
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// rendered into a CGBitmapContextRef
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class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
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{
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friend class WXDLLIMPEXP_FWD_CORE wxIcon;
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friend class WXDLLIMPEXP_FWD_CORE wxCursor;
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public:
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wxBitmapRefData(int width , int height , int depth, double logicalscale = 1.0);
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wxBitmapRefData(CGContextRef context);
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wxBitmapRefData(CGImageRef image, double scale);
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wxBitmapRefData(WXImage image);
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wxBitmapRefData();
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wxBitmapRefData(const wxBitmapRefData &tocopy);
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virtual ~wxBitmapRefData();
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bool IsOk() const;
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void Free();
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int GetWidth() const;
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int GetHeight() const;
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int GetDepth() const;
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int GetBytesPerRow() const;
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bool HasAlpha() const;
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WXImage GetImage() const;
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double GetScaleFactor() const { return m_scaleFactor; }
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const void *GetRawAccess() const;
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void *GetRawAccess();
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void *BeginRawAccess();
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void EndRawAccess();
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void UseAlpha( bool useAlpha );
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bool IsTemplate() const { return m_isTemplate; }
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void SetTemplate(bool is) { m_isTemplate = is; }
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public:
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#if wxUSE_PALETTE
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wxPalette m_bitmapPalette;
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#endif // wxUSE_PALETTE
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wxMask * m_bitmapMask; // Optional mask
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CGImageRef CreateCGImage() const;
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// returns true if the bitmap has a size that
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// can be natively transferred into a true icon
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// if no is returned GetIconRef will still produce
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// an icon but it will be generated via a PICT and
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// rescaled to 16 x 16
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bool HasNativeSize();
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#if wxOSX_USE_ICONREF
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// caller should increase ref count if needed longer
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// than the bitmap exists
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IconRef GetIconRef();
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#endif
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CGContextRef GetBitmapContext() const;
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void SetSelectedInto(wxDC *dc);
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wxDC *GetSelectedInto() const;
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private :
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bool Create(int width , int height , int depth, double logicalscale);
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bool Create( CGImageRef image, double scale );
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bool Create( CGContextRef bitmapcontext);
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bool Create( WXImage image);
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void Init();
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void EnsureBitmapExists() const;
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void FreeDerivedRepresentations();
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WXImage m_nsImage;
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int m_rawAccessCount;
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mutable CGImageRef m_cgImageRef;
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bool m_isTemplate;
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#if wxOSX_USE_ICONREF
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IconRef m_iconRef;
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#endif
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wxCFRef<CGContextRef> m_hBitmap;
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double m_scaleFactor;
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wxDC* m_selectedInto;
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};
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#define wxOSX_USE_PREMULTIPLIED_ALPHA 1
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static const int kBestByteAlignement = 16;
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static const int kMaskBytesPerPixel = 1;
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static size_t GetBestBytesPerRow( size_t rawBytes )
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{
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return (((rawBytes)+kBestByteAlignement-1) & ~(kBestByteAlignement-1) );
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}
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void wxBitmapRefData::Init()
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{
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m_nsImage = NULL;
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m_bitmapMask = NULL ;
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m_cgImageRef = NULL ;
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m_isTemplate = false;
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#if wxOSX_USE_ICONREF
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m_iconRef = NULL ;
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#endif
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m_hBitmap = NULL ;
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m_rawAccessCount = 0 ;
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m_scaleFactor = 1.0;
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m_selectedInto = NULL;
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}
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wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy) : wxGDIRefData()
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{
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Init();
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Create(tocopy.GetWidth(), tocopy.GetHeight(), tocopy.GetDepth(), tocopy.GetScaleFactor());
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if (tocopy.m_bitmapMask)
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m_bitmapMask = new wxMask(*tocopy.m_bitmapMask);
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else if (tocopy.HasAlpha())
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UseAlpha(true);
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unsigned char* dest = (unsigned char*)GetRawAccess();
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unsigned char* source = (unsigned char*)tocopy.GetRawAccess();
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size_t numbytes = GetBytesPerRow() * GetHeight();
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memcpy( dest, source, numbytes );
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}
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wxBitmapRefData::wxBitmapRefData()
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{
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Init() ;
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}
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wxBitmapRefData::wxBitmapRefData( int w , int h , int d , double logicalscale)
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{
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Init() ;
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Create( w , h , d, logicalscale ) ;
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}
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wxBitmapRefData::wxBitmapRefData(CGContextRef context)
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{
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Init();
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Create( context );
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}
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wxBitmapRefData::wxBitmapRefData(CGImageRef image, double scale)
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{
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Init();
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Create( image, scale );
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}
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wxBitmapRefData::wxBitmapRefData(WXImage image)
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{
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Init();
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Create( image );
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}
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void wxBitmapRefData::EnsureBitmapExists() const
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{
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if ( ! m_hBitmap && m_nsImage)
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{
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wxBitmapRefData* t = const_cast<wxBitmapRefData*>(this);
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t->m_hBitmap = wxOSXCreateBitmapContextFromImage(m_nsImage, &t->m_isTemplate);
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}
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}
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bool wxBitmapRefData::Create( WXImage image )
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{
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m_nsImage = image;
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wxMacCocoaRetain(image);
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m_scaleFactor = wxOSXGetImageScaleFactor(image);
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return true;
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}
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// code from Technical Q&A QA1509
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bool wxBitmapRefData::Create(CGImageRef image, double scale)
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{
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if (image != NULL)
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{
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size_t m_width = CGImageGetWidth(image);
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size_t m_height = CGImageGetHeight(image);
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m_hBitmap = NULL;
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m_scaleFactor = scale;
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size_t m_bytesPerRow = GetBestBytesPerRow(m_width * 4);
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void* data = NULL;
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CGImageAlphaInfo alpha = CGImageGetAlphaInfo(image);
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if (alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast)
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{
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m_hBitmap = CGBitmapContextCreate((char*)data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst);
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}
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else
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{
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m_hBitmap = CGBitmapContextCreate((char*)data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaPremultipliedFirst);
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}
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CGRect rect = CGRectMake(0, 0, m_width, m_height);
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CGContextDrawImage(m_hBitmap, rect, image);
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wxASSERT_MSG(m_hBitmap, wxT("Unable to create CGBitmapContext context"));
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CGContextTranslateCTM(m_hBitmap, 0, m_height);
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CGContextScaleCTM(m_hBitmap, 1 * m_scaleFactor, -1 * m_scaleFactor);
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}
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return IsOk();
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}
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bool wxBitmapRefData::Create(CGContextRef context)
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{
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if ( context != NULL && CGBitmapContextGetData(context) )
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{
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m_hBitmap = context;
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// our own contexts conform to this, always.
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wxASSERT( GetDepth() == 32 );
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// determine content scale
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CGRect userrect = CGRectMake(0, 0, 10, 10);
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CGRect devicerect;
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devicerect = CGContextConvertRectToDeviceSpace(context, userrect);
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m_scaleFactor = devicerect.size.height / userrect.size.height;
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}
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return IsOk() ;
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}
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bool wxBitmapRefData::Create(int w, int h, int d, double logicalscale)
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{
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size_t m_width = wxMax(1, w);
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size_t m_height = wxMax(1, h);
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m_scaleFactor = logicalscale;
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m_hBitmap = NULL;
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size_t m_bytesPerRow = GetBestBytesPerRow(m_width * 4);
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void* data = NULL;
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m_hBitmap = CGBitmapContextCreate((char*)data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst);
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wxASSERT_MSG(m_hBitmap, wxT("Unable to create CGBitmapContext context"));
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CGContextTranslateCTM(m_hBitmap, 0, m_height);
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CGContextScaleCTM(m_hBitmap, 1 * GetScaleFactor(), -1 * GetScaleFactor());
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return IsOk();
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}
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bool wxBitmapRefData::IsOk() const
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{
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return (m_hBitmap.get() != NULL || m_nsImage != NULL);
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}
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int wxBitmapRefData::GetWidth() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( m_hBitmap )
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return (int) CGBitmapContextGetWidth(m_hBitmap);
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else
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return (int) wxOSXGetImageSize(m_nsImage).width * m_scaleFactor;
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}
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int wxBitmapRefData::GetHeight() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( m_hBitmap )
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return (int) CGBitmapContextGetHeight(m_hBitmap);
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else
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return (int) wxOSXGetImageSize(m_nsImage).height * m_scaleFactor;
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}
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int wxBitmapRefData::GetDepth() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( m_hBitmap )
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return (int) CGBitmapContextGetBitsPerPixel(m_hBitmap);
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else
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return 32; // a bitmap converted from an nsimage would have this depth
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}
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int wxBitmapRefData::GetBytesPerRow() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( m_hBitmap )
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return (int) CGBitmapContextGetBytesPerRow(m_hBitmap);
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else
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return (int) GetBestBytesPerRow( GetWidth() * 4);
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}
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bool wxBitmapRefData::HasAlpha() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( m_hBitmap )
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{
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CGImageAlphaInfo alpha = CGBitmapContextGetAlphaInfo(m_hBitmap);
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return !(alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast);
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}
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else
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{
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return true; // a bitmap converted from an nsimage would have alpha
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}
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}
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WXImage wxBitmapRefData::GetImage() const
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{
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wxCHECK_MSG( IsOk() , 0 , "Invalid Bitmap");
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if ( !m_nsImage )
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{
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wxCFRef< CGImageRef > cgimage(CreateCGImage());
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return wxOSXGetImageFromCGImage( cgimage, GetScaleFactor(), IsTemplate() );
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}
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return m_nsImage;
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}
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void wxBitmapRefData::UseAlpha( bool use )
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{
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wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ;
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if ( HasAlpha() == use )
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return ;
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CGContextRef hBitmap = CGBitmapContextCreate(NULL, GetWidth(), GetHeight(), 8, GetBytesPerRow(), wxMacGetGenericRGBColorSpace(), use ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst );
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memcpy(CGBitmapContextGetData(hBitmap),CGBitmapContextGetData(m_hBitmap),GetBytesPerRow()*GetHeight());
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wxASSERT_MSG( hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
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CGContextTranslateCTM( hBitmap, 0, GetHeight() );
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CGContextScaleCTM( hBitmap, GetScaleFactor(), -GetScaleFactor() );
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m_hBitmap.reset(hBitmap);
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}
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const void *wxBitmapRefData::GetRawAccess() const
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{
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wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;
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EnsureBitmapExists();
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return CGBitmapContextGetData(m_hBitmap);
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}
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void *wxBitmapRefData::GetRawAccess()
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{
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return const_cast<void*>(const_cast<const wxBitmapRefData*>(this)->GetRawAccess());
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}
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void *wxBitmapRefData::BeginRawAccess()
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{
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wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ) ;
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wxASSERT( m_rawAccessCount == 0 ) ;
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#if wxOSX_USE_ICONREF
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wxASSERT_MSG( m_iconRef == NULL ,
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wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;
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#endif
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++m_rawAccessCount ;
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// we must destroy an existing cached image, as
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// the bitmap data may change now
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FreeDerivedRepresentations();
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return GetRawAccess() ;
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}
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void wxBitmapRefData::EndRawAccess()
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{
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wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ;
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wxASSERT( m_rawAccessCount == 1 ) ;
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--m_rawAccessCount ;
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}
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bool wxBitmapRefData::HasNativeSize()
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{
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int w = GetWidth() ;
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int h = GetHeight() ;
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int sz = wxMax( w , h ) ;
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return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 );
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}
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#if wxOSX_USE_ICONREF
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IconRef wxBitmapRefData::GetIconRef()
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{
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if ( m_iconRef == NULL )
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{
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// Create Icon Family Handle
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IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle( 0 );
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int w = GetWidth() ;
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int h = GetHeight() ;
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int sz = wxMax( w , h ) ;
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OSType dataType = 0 ;
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OSType maskType = 0 ;
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// since we don't have PICT conversion available, use
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// the next larger standard icon size
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// TODO: Use NSImage
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if (sz <= 16)
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sz = 16;
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else if ( sz <= 32)
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sz = 32;
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else if ( sz <= 48)
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sz = 48;
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else if ( sz <= 128)
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sz = 128;
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else if ( sz <= 256)
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sz = 256;
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else if ( sz <= 512)
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sz = 512;
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else if ( sz <= 1024)
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sz = 1024;
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switch (sz)
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{
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case 1024:
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dataType = kIconServices1024PixelDataARGB;
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break;
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case 512:
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dataType = kIconServices512PixelDataARGB;
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break;
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case 256:
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dataType = kIconServices256PixelDataARGB;
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break;
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case 128:
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dataType = kIconServices128PixelDataARGB ;
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break;
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case 48:
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dataType = kIconServices48PixelDataARGB ;
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break;
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case 32:
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dataType = kIconServices32PixelDataARGB ;
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break;
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case 16:
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dataType = kIconServices16PixelDataARGB ;
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break;
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default:
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break;
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}
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if ( dataType != 0 )
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{
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if ( maskType == 0 )
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{
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size_t datasize = sz * sz * 4 ;
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Handle data = NewHandle( datasize ) ;
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HLock( data ) ;
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unsigned char* ptr = (unsigned char*) *data ;
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memset( ptr, 0, datasize );
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bool hasAlpha = HasAlpha() ;
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wxMask *mask = m_bitmapMask ;
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unsigned char * sourcePtr = (unsigned char*) GetRawAccess() ;
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unsigned char * masksourcePtr = mask ? (unsigned char*) mask->GetRawAccess() : NULL ;
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for ( int y = 0 ; y < h ; ++y, sourcePtr += GetBytesPerRow() , masksourcePtr += mask ? mask->GetBytesPerRow() : 0 )
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{
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unsigned char * source = sourcePtr;
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unsigned char * masksource = masksourcePtr;
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unsigned char * dest = ptr + y * sz * 4 ;
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unsigned char a, r, g, b;
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for ( int x = 0 ; x < w ; ++x )
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{
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a = *source ++ ;
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r = *source ++ ;
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g = *source ++ ;
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b = *source ++ ;
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if ( mask )
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{
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a = 0xFF - *masksource++ ;
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}
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else if ( !hasAlpha )
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a = 0xFF ;
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else
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{
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#if wxOSX_USE_PREMULTIPLIED_ALPHA
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// this must be non-premultiplied data
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if ( a != 0xFF && a!= 0 )
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{
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r = r * 255 / a;
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g = g * 255 / a;
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b = b * 255 / a;
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}
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#endif
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}
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*dest++ = a ;
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*dest++ = r ;
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*dest++ = g ;
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*dest++ = b ;
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}
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}
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HUnlock( data );
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OSStatus err = SetIconFamilyData( iconFamily, dataType , data );
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if ( err != noErr )
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{
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wxFAIL_MSG("Error when adding bitmap");
|
|
}
|
|
|
|
DisposeHandle( data );
|
|
}
|
|
else
|
|
{
|
|
// setup the header properly
|
|
|
|
Handle data = NULL ;
|
|
Handle maskdata = NULL ;
|
|
unsigned char * maskptr = NULL ;
|
|
unsigned char * ptr = NULL ;
|
|
size_t datasize, masksize ;
|
|
|
|
datasize = sz * sz * 4 ;
|
|
data = NewHandle( datasize ) ;
|
|
HLock( data ) ;
|
|
ptr = (unsigned char*) *data ;
|
|
memset( ptr , 0, datasize ) ;
|
|
|
|
masksize = sz * sz ;
|
|
maskdata = NewHandle( masksize ) ;
|
|
HLock( maskdata ) ;
|
|
maskptr = (unsigned char*) *maskdata ;
|
|
memset( maskptr , 0 , masksize ) ;
|
|
|
|
bool hasAlpha = HasAlpha() ;
|
|
wxMask *mask = m_bitmapMask ;
|
|
unsigned char * sourcePtr = (unsigned char*) GetRawAccess() ;
|
|
unsigned char * masksourcePtr = mask ? (unsigned char*) mask->GetRawAccess() : NULL ;
|
|
|
|
for ( int y = 0 ; y < h ; ++y, sourcePtr += GetBytesPerRow() , masksourcePtr += mask ? mask->GetBytesPerRow() : 0 )
|
|
{
|
|
unsigned char * source = sourcePtr;
|
|
unsigned char * masksource = masksourcePtr;
|
|
unsigned char * dest = ptr + y * sz * 4 ;
|
|
unsigned char * maskdest = maskptr + y * sz ;
|
|
unsigned char a, r, g, b;
|
|
|
|
for ( int x = 0 ; x < w ; ++x )
|
|
{
|
|
a = *source ++ ;
|
|
r = *source ++ ;
|
|
g = *source ++ ;
|
|
b = *source ++ ;
|
|
|
|
*dest++ = 0 ;
|
|
*dest++ = r ;
|
|
*dest++ = g ;
|
|
*dest++ = b ;
|
|
|
|
if ( mask )
|
|
*maskdest++ = 0xFF - *masksource++ ;
|
|
else if ( hasAlpha )
|
|
*maskdest++ = a ;
|
|
else
|
|
*maskdest++ = 0xFF ;
|
|
}
|
|
}
|
|
|
|
OSStatus err = SetIconFamilyData( iconFamily, dataType , data ) ;
|
|
wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
|
|
|
|
err = SetIconFamilyData( iconFamily, maskType , maskdata ) ;
|
|
wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ;
|
|
|
|
HUnlock( data ) ;
|
|
HUnlock( maskdata ) ;
|
|
DisposeHandle( data ) ;
|
|
DisposeHandle( maskdata ) ;
|
|
}
|
|
}
|
|
// transform into IconRef
|
|
|
|
// cleaner version existing from 10.3 upwards
|
|
HLock((Handle) iconFamily);
|
|
OSStatus err = GetIconRefFromIconFamilyPtr( *iconFamily, GetHandleSize((Handle) iconFamily), &m_iconRef );
|
|
HUnlock((Handle) iconFamily);
|
|
DisposeHandle( (Handle) iconFamily ) ;
|
|
|
|
wxCHECK_MSG( err == noErr, NULL, wxT("Error when constructing icon ref") );
|
|
}
|
|
|
|
return m_iconRef ;
|
|
}
|
|
#endif // wxOSX_USE_ICONREF
|
|
|
|
CGImageRef wxBitmapRefData::CreateCGImage() const
|
|
{
|
|
wxASSERT( IsOk() ) ;
|
|
wxASSERT( m_rawAccessCount >= 0 ) ;
|
|
CGImageRef image ;
|
|
if ( m_rawAccessCount > 0 || m_cgImageRef == NULL )
|
|
{
|
|
if (m_nsImage)
|
|
{
|
|
image = wxOSXCreateCGImageFromImage(m_nsImage);
|
|
}
|
|
else
|
|
{
|
|
if (GetDepth() != 1 && m_bitmapMask == NULL)
|
|
{
|
|
#if 0
|
|
// in order for this code to work properly, wxMask would have to invert black and white
|
|
// in the native bitmap
|
|
if ( m_bitmapMask )
|
|
{
|
|
CGImageRef tempImage = CGBitmapContextCreateImage( m_hBitmap );
|
|
CGImageRef tempMask = CGBitmapContextCreateImage((CGContextRef) m_bitmapMask->GetHBITMAP() );
|
|
image = CGImageCreateWithMask( tempImage, tempMask );
|
|
CGImageRelease(tempMask);
|
|
CGImageRelease(tempImage);
|
|
}
|
|
else
|
|
#endif
|
|
image = CGBitmapContextCreateImage(m_hBitmap);
|
|
}
|
|
else
|
|
{
|
|
size_t imageSize = GetHeight() * GetBytesPerRow();
|
|
|
|
int w = GetWidth();
|
|
int h = GetHeight();
|
|
CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst;
|
|
wxMemoryBuffer membuf;
|
|
|
|
if (m_bitmapMask)
|
|
{
|
|
alphaInfo = kCGImageAlphaFirst;
|
|
unsigned char* destalphastart = (unsigned char*)membuf.GetWriteBuf(imageSize);
|
|
memcpy(destalphastart, GetRawAccess(), imageSize);
|
|
unsigned char* sourcemaskstart = (unsigned char*)m_bitmapMask->GetRawAccess();
|
|
int maskrowbytes = m_bitmapMask->GetBytesPerRow();
|
|
for (int y = 0; y < h; ++y, destalphastart += GetBytesPerRow(), sourcemaskstart += maskrowbytes)
|
|
{
|
|
unsigned char* sourcemask = sourcemaskstart;
|
|
unsigned char* destalpha = destalphastart;
|
|
for (int x = 0; x < w; ++x, sourcemask += kMaskBytesPerPixel, destalpha += 4)
|
|
{
|
|
*destalpha = 0xFF - *sourcemask;
|
|
}
|
|
}
|
|
membuf.UngetWriteBuf(imageSize);
|
|
}
|
|
else
|
|
{
|
|
if (HasAlpha())
|
|
{
|
|
#if wxOSX_USE_PREMULTIPLIED_ALPHA
|
|
alphaInfo = kCGImageAlphaPremultipliedFirst;
|
|
#else
|
|
alphaInfo = kCGImageAlphaFirst;
|
|
#endif
|
|
}
|
|
memcpy(membuf.GetWriteBuf(imageSize), GetRawAccess(), imageSize);
|
|
membuf.UngetWriteBuf(imageSize);
|
|
}
|
|
|
|
CGDataProviderRef dataProvider = NULL;
|
|
if (GetDepth() == 1)
|
|
{
|
|
// TODO CHECK ALIGNMENT
|
|
wxMemoryBuffer maskBuf;
|
|
unsigned char* maskBufData = (unsigned char*)maskBuf.GetWriteBuf(GetWidth() * GetHeight());
|
|
unsigned char* bufData = (unsigned char*)membuf.GetData();
|
|
// copy one color component
|
|
size_t i = 0;
|
|
for (int y = 0; y < GetHeight(); bufData += GetBytesPerRow(), ++y)
|
|
{
|
|
unsigned char* bufDataIter = bufData + 3;
|
|
for (int x = 0; x < GetWidth(); bufDataIter += 4, ++x, ++i)
|
|
{
|
|
maskBufData[i] = *bufDataIter;
|
|
}
|
|
}
|
|
maskBuf.UngetWriteBuf(GetWidth() * GetHeight());
|
|
|
|
dataProvider = wxMacCGDataProviderCreateWithMemoryBuffer(maskBuf);
|
|
|
|
image = ::CGImageMaskCreate(w, h, 8, 8, GetWidth(), dataProvider, NULL, false);
|
|
}
|
|
else
|
|
{
|
|
CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
|
|
dataProvider = wxMacCGDataProviderCreateWithMemoryBuffer(membuf);
|
|
image = ::CGImageCreate(
|
|
w, h, 8, 32, GetBytesPerRow(), colorSpace, alphaInfo,
|
|
dataProvider, NULL, false, kCGRenderingIntentDefault);
|
|
}
|
|
CGDataProviderRelease(dataProvider);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
image = m_cgImageRef ;
|
|
CGImageRetain( image ) ;
|
|
}
|
|
|
|
if ( m_rawAccessCount == 0 && m_cgImageRef == NULL)
|
|
{
|
|
// we keep it for later use
|
|
m_cgImageRef = image ;
|
|
CGImageRetain( image ) ;
|
|
}
|
|
|
|
return image ;
|
|
}
|
|
|
|
CGContextRef wxBitmapRefData::GetBitmapContext() const
|
|
{
|
|
return m_hBitmap;
|
|
}
|
|
|
|
void wxBitmapRefData::SetSelectedInto(wxDC *dc)
|
|
{
|
|
if ( dc == NULL )
|
|
{
|
|
if ( m_selectedInto != NULL )
|
|
EndRawAccess();
|
|
}
|
|
else
|
|
{
|
|
wxASSERT_MSG( m_selectedInto == NULL || m_selectedInto == dc, "Bitmap already selected into a different dc");
|
|
|
|
if ( m_selectedInto == NULL )
|
|
(void) BeginRawAccess();
|
|
}
|
|
|
|
m_selectedInto = dc;
|
|
}
|
|
|
|
wxDC *wxBitmapRefData::GetSelectedInto() const
|
|
{
|
|
return m_selectedInto;
|
|
}
|
|
|
|
void wxBitmapRefData::FreeDerivedRepresentations()
|
|
{
|
|
if ( m_cgImageRef )
|
|
{
|
|
CGImageRelease( m_cgImageRef ) ;
|
|
m_cgImageRef = NULL ;
|
|
}
|
|
#if wxOSX_USE_ICONREF
|
|
if ( m_iconRef )
|
|
{
|
|
ReleaseIconRef( m_iconRef ) ;
|
|
m_iconRef = NULL ;
|
|
}
|
|
#endif // wxOSX_USE_ICONREF
|
|
}
|
|
|
|
void wxBitmapRefData::Free()
|
|
{
|
|
wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
|
|
|
|
FreeDerivedRepresentations();
|
|
|
|
wxMacCocoaRelease(m_nsImage);
|
|
|
|
m_hBitmap.reset();
|
|
wxDELETE(m_bitmapMask);
|
|
}
|
|
|
|
wxBitmapRefData::~wxBitmapRefData()
|
|
{
|
|
Free() ;
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxBitmap
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool wxBitmap::CopyFromIcon(const wxIcon& icon)
|
|
{
|
|
return Create( icon.GetImage() );
|
|
}
|
|
|
|
wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
|
|
{
|
|
m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ;
|
|
|
|
if (GetBitmapData()->IsOk())
|
|
{
|
|
if ( no_bits == 1 )
|
|
{
|
|
int linesize = the_width / 8;
|
|
if ( the_width % 8 )
|
|
linesize++;
|
|
|
|
unsigned char* linestart = (unsigned char*) bits ;
|
|
unsigned char* destptr = (unsigned char*) GetBitmapData()->BeginRawAccess() ;
|
|
|
|
for ( int y = 0 ; y < the_height ; ++y , linestart += linesize, destptr += GetBitmapData()->GetBytesPerRow() )
|
|
{
|
|
unsigned char* destination = destptr;
|
|
int index, bit, mask;
|
|
|
|
for ( int x = 0 ; x < the_width ; ++x )
|
|
{
|
|
index = x / 8 ;
|
|
bit = x % 8 ;
|
|
mask = 1 << bit ;
|
|
|
|
if ( linestart[index] & mask )
|
|
{
|
|
*destination++ = 0xFF ;
|
|
*destination++ = 0 ;
|
|
*destination++ = 0 ;
|
|
*destination++ = 0 ;
|
|
}
|
|
else
|
|
{
|
|
*destination++ = 0xFF ;
|
|
*destination++ = 0xFF ;
|
|
*destination++ = 0xFF ;
|
|
*destination++ = 0xFF ;
|
|
}
|
|
}
|
|
}
|
|
|
|
GetBitmapData()->EndRawAccess() ;
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
|
|
}
|
|
}
|
|
}
|
|
|
|
wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth)
|
|
{
|
|
(void) Create(data, type, width, height, depth);
|
|
}
|
|
|
|
wxBitmap::wxBitmap(int width, int height, const wxDC& dc)
|
|
{
|
|
(void)Create(width, height, dc);
|
|
}
|
|
|
|
wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
|
|
{
|
|
LoadFile(filename, type);
|
|
}
|
|
|
|
wxBitmap::wxBitmap(CGImageRef image, double scale)
|
|
{
|
|
(void) Create(image,scale);
|
|
}
|
|
|
|
wxGDIRefData* wxBitmap::CreateGDIRefData() const
|
|
{
|
|
return new wxBitmapRefData;
|
|
}
|
|
|
|
wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
|
|
{
|
|
return new wxBitmapRefData(*static_cast<const wxBitmapRefData *>(data));
|
|
}
|
|
|
|
#if WXWIN_COMPATIBILITY_3_0
|
|
const void * wxBitmap::GetRawAccess() const
|
|
{
|
|
wxCHECK_MSG( IsOk() , NULL , wxT("invalid bitmap") ) ;
|
|
|
|
return GetBitmapData()->GetRawAccess() ;
|
|
}
|
|
|
|
void * wxBitmap::BeginRawAccess()
|
|
{
|
|
wxCHECK_MSG( IsOk() , NULL , wxT("invalid bitmap") ) ;
|
|
|
|
return GetBitmapData()->BeginRawAccess() ;
|
|
}
|
|
|
|
void wxBitmap::EndRawAccess()
|
|
{
|
|
wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ;
|
|
|
|
GetBitmapData()->EndRawAccess() ;
|
|
}
|
|
#endif
|
|
|
|
CGImageRef wxBitmap::CreateCGImage() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;
|
|
|
|
return GetBitmapData()->CreateCGImage() ;
|
|
}
|
|
|
|
#if wxOSX_USE_ICONREF
|
|
|
|
IconRef wxBitmap::GetIconRef() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;
|
|
|
|
return GetBitmapData()->GetIconRef() ;
|
|
}
|
|
|
|
IconRef wxBitmap::CreateIconRef() const
|
|
{
|
|
IconRef icon = GetIconRef();
|
|
__Verify_noErr(AcquireIconRef(icon));
|
|
return icon;
|
|
}
|
|
#endif
|
|
|
|
wxBitmap::wxBitmap(WXImage image)
|
|
{
|
|
(void)Create(image);
|
|
}
|
|
|
|
bool wxBitmap::Create(WXImage image)
|
|
{
|
|
UnRef();
|
|
|
|
m_refData = new wxBitmapRefData( image );
|
|
|
|
return GetBitmapData()->IsOk() ;
|
|
}
|
|
|
|
wxBitmap::wxBitmap(CGContextRef bitmapcontext)
|
|
{
|
|
(void)Create(bitmapcontext);
|
|
}
|
|
|
|
bool wxBitmap::Create(CGContextRef bitmapcontext)
|
|
{
|
|
UnRef();
|
|
|
|
m_refData = new wxBitmapRefData( bitmapcontext );
|
|
|
|
return GetBitmapData()->IsOk() ;
|
|
}
|
|
|
|
WXImage wxBitmap::GetImage() const
|
|
{
|
|
return GetBitmapData()->GetImage();
|
|
}
|
|
|
|
wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
|
|
{
|
|
wxCHECK_MSG( IsOk() &&
|
|
(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;
|
|
double scale = GetScaleFactor();
|
|
ret.CreateScaled( rect.width, rect.height, GetDepth(), scale );
|
|
wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") );
|
|
|
|
int destwidth = rect.width*scale ;
|
|
int destheight = rect.height*scale ;
|
|
|
|
{
|
|
unsigned char *sourcedata = (unsigned char*) GetBitmapData()->GetRawAccess() ;
|
|
unsigned char *destdata = (unsigned char*) ret.GetBitmapData()->BeginRawAccess() ;
|
|
wxASSERT((sourcedata != NULL) && (destdata != NULL));
|
|
|
|
if ( (sourcedata != NULL) && (destdata != NULL) )
|
|
{
|
|
int sourcelinesize = GetBitmapData()->GetBytesPerRow() ;
|
|
int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ;
|
|
unsigned char *source = sourcedata + int(rect.x * scale * 4 + rect.y *scale * sourcelinesize) ;
|
|
unsigned char *dest = destdata ;
|
|
|
|
for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
|
|
{
|
|
memcpy( dest , source , destlinesize ) ;
|
|
}
|
|
}
|
|
ret.GetBitmapData()->EndRawAccess() ;
|
|
}
|
|
|
|
if ( GetBitmapData()->m_bitmapMask )
|
|
{
|
|
wxMemoryBuffer maskbuf ;
|
|
int rowBytes = GetBestBytesPerRow( destwidth * kMaskBytesPerPixel );
|
|
size_t maskbufsize = rowBytes * destheight ;
|
|
|
|
int sourcelinesize = GetBitmapData()->m_bitmapMask->GetBytesPerRow() ;
|
|
int destlinesize = rowBytes ;
|
|
|
|
unsigned char *source = (unsigned char *) GetBitmapData()->m_bitmapMask->GetRawAccess() ;
|
|
unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
|
|
wxASSERT( (source != NULL) && (destdata != NULL) ) ;
|
|
|
|
if ( (source != NULL) && (destdata != NULL) )
|
|
{
|
|
source += rect.x * kMaskBytesPerPixel + rect.y * sourcelinesize ;
|
|
unsigned char *dest = destdata ;
|
|
|
|
for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
|
|
{
|
|
memcpy( dest , source , destlinesize ) ;
|
|
}
|
|
|
|
maskbuf.UngetWriteBuf( maskbufsize ) ;
|
|
}
|
|
ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
|
|
}
|
|
else if ( HasAlpha() )
|
|
ret.UseAlpha() ;
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool wxBitmap::Create(int w, int h, int d)
|
|
{
|
|
UnRef();
|
|
|
|
wxCHECK_MSG(w > 0 && h > 0, false, "invalid bitmap size");
|
|
|
|
if ( d < 0 )
|
|
d = wxDisplayDepth() ;
|
|
|
|
m_refData = new wxBitmapRefData( w , h , d );
|
|
|
|
return GetBitmapData()->IsOk() ;
|
|
}
|
|
|
|
bool wxBitmap::Create(int w, int h, const wxDC& dc)
|
|
{
|
|
double factor = dc.GetContentScaleFactor();
|
|
return CreateScaled(w,h,wxBITMAP_SCREEN_DEPTH, factor);
|
|
}
|
|
|
|
bool wxBitmap::CreateScaled(int w, int h, int d, double logicalScale)
|
|
{
|
|
UnRef();
|
|
|
|
if ( d < 0 )
|
|
d = wxDisplayDepth() ;
|
|
|
|
m_refData = new wxBitmapRefData( w*logicalScale , h*logicalScale , d, logicalScale );
|
|
|
|
return GetBitmapData()->IsOk() ;
|
|
}
|
|
|
|
bool wxBitmap::Create(CGImageRef image, double scale)
|
|
{
|
|
UnRef();
|
|
|
|
m_refData = new wxBitmapRefData( image, scale );
|
|
|
|
return GetBitmapData()->IsOk() ;
|
|
}
|
|
|
|
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
|
|
{
|
|
#if wxUSE_IMAGE
|
|
double scale = 1.0;
|
|
wxString fname = filename;
|
|
|
|
if ( type == wxBITMAP_TYPE_PNG )
|
|
{
|
|
if ( wxOSXGetMainScreenContentScaleFactor() > 1.9 )
|
|
{
|
|
wxFileName fn(filename);
|
|
fn.MakeAbsolute();
|
|
fn.SetName(fn.GetName()+"@2x");
|
|
|
|
if ( fn.Exists() )
|
|
{
|
|
fname = fn.GetFullPath();
|
|
scale = 2.0;
|
|
}
|
|
}
|
|
}
|
|
|
|
wxImage loadimage(fname, type);
|
|
if (loadimage.IsOk())
|
|
{
|
|
*this = wxBitmap(loadimage,-1,scale);
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
|
|
|
|
return false;
|
|
}
|
|
|
|
bool wxBitmap::Create(const 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);
|
|
}
|
|
|
|
#if wxUSE_IMAGE
|
|
|
|
wxBitmap::wxBitmap(const wxImage& image, int depth, double scale)
|
|
{
|
|
wxCHECK_RET( image.IsOk(), wxT("invalid image") );
|
|
|
|
// width and height of the device-dependent bitmap
|
|
int width = image.GetWidth();
|
|
int height = image.GetHeight();
|
|
// we always use 32 bit internally here
|
|
depth = 32;
|
|
|
|
wxBitmapRefData* bitmapRefData;
|
|
|
|
m_refData = bitmapRefData = new wxBitmapRefData( width, height, depth, scale) ;
|
|
|
|
if ( bitmapRefData->IsOk())
|
|
{
|
|
// Create picture
|
|
|
|
bool hasAlpha = false ;
|
|
|
|
if ( image.HasMask() )
|
|
{
|
|
// takes precedence, don't mix with alpha info
|
|
}
|
|
else
|
|
{
|
|
hasAlpha = image.HasAlpha() ;
|
|
}
|
|
|
|
if ( hasAlpha )
|
|
UseAlpha() ;
|
|
|
|
unsigned char* destinationstart = (unsigned char*) GetBitmapData()->BeginRawAccess() ;
|
|
unsigned char* data = image.GetData();
|
|
if ( destinationstart != NULL && data != NULL )
|
|
{
|
|
const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
|
|
for (int y = 0; y < height; destinationstart += GetBitmapData()->GetBytesPerRow(), y++)
|
|
{
|
|
unsigned char * destination = destinationstart;
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
if ( hasAlpha )
|
|
{
|
|
const unsigned char a = *alpha++;
|
|
*destination++ = a ;
|
|
|
|
#if wxOSX_USE_PREMULTIPLIED_ALPHA
|
|
*destination++ = ((*data++) * a + 127) / 255 ;
|
|
*destination++ = ((*data++) * a + 127) / 255 ;
|
|
*destination++ = ((*data++) * a + 127) / 255 ;
|
|
#else
|
|
*destination++ = *data++ ;
|
|
*destination++ = *data++ ;
|
|
*destination++ = *data++ ;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
*destination++ = 0xFF ;
|
|
*destination++ = *data++ ;
|
|
*destination++ = *data++ ;
|
|
*destination++ = *data++ ;
|
|
}
|
|
}
|
|
}
|
|
|
|
GetBitmapData()->EndRawAccess() ;
|
|
}
|
|
if ( image.HasMask() )
|
|
SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
|
|
}
|
|
}
|
|
|
|
wxImage wxBitmap::ConvertToImage() const
|
|
{
|
|
wxImage image;
|
|
|
|
wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
|
|
|
|
// this call may trigger a conversion from platform image to bitmap, issue it
|
|
// before any measurements are taken, multi-resolution platform images may be
|
|
// rendered incorrectly otherwise
|
|
unsigned char* sourcestart = (unsigned char*) GetBitmapData()->GetRawAccess() ;
|
|
|
|
// 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") );
|
|
|
|
bool hasAlpha = false ;
|
|
bool hasMask = false ;
|
|
int maskBytesPerRow = 0 ;
|
|
unsigned char *alpha = NULL ;
|
|
unsigned char *mask = NULL ;
|
|
|
|
if ( HasAlpha() )
|
|
hasAlpha = true ;
|
|
|
|
if ( GetMask() )
|
|
{
|
|
hasMask = true ;
|
|
mask = (unsigned char*) GetMask()->GetRawAccess() ;
|
|
maskBytesPerRow = GetMask()->GetBytesPerRow() ;
|
|
}
|
|
|
|
if ( hasAlpha )
|
|
{
|
|
image.SetAlpha() ;
|
|
alpha = image.GetAlpha() ;
|
|
}
|
|
|
|
int index = 0;
|
|
|
|
// The following masking algorithm is the same as well in msw/gtk:
|
|
// the colour used as transparent one in wxImage and the one it is
|
|
// replaced with when it actually occurs in the bitmap
|
|
static const int MASK_RED = 1;
|
|
static const int MASK_GREEN = 2;
|
|
static const int MASK_BLUE = 3;
|
|
static const int MASK_BLUE_REPLACEMENT = 2;
|
|
|
|
for (int yy = 0; yy < height; yy++ , sourcestart += GetBitmapData()->GetBytesPerRow() , mask += maskBytesPerRow )
|
|
{
|
|
unsigned char * maskp = mask ;
|
|
const wxUint32 * source = (wxUint32*)sourcestart;
|
|
unsigned char a, r, g, b;
|
|
|
|
for (int xx = 0; xx < width; xx++)
|
|
{
|
|
const wxUint32 color = *source++;
|
|
#ifdef WORDS_BIGENDIAN
|
|
a = ((color&0xFF000000) >> 24) ;
|
|
r = ((color&0x00FF0000) >> 16) ;
|
|
g = ((color&0x0000FF00) >> 8) ;
|
|
b = (color&0x000000FF);
|
|
#else
|
|
b = ((color&0xFF000000) >> 24) ;
|
|
g = ((color&0x00FF0000) >> 16) ;
|
|
r = ((color&0x0000FF00) >> 8) ;
|
|
a = (color&0x000000FF);
|
|
#endif
|
|
if ( hasMask )
|
|
{
|
|
if ( *maskp++ == 0xFF )
|
|
{
|
|
r = MASK_RED ;
|
|
g = MASK_GREEN ;
|
|
b = MASK_BLUE ;
|
|
}
|
|
else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
|
|
b = MASK_BLUE_REPLACEMENT ;
|
|
}
|
|
else if ( hasAlpha )
|
|
{
|
|
*alpha++ = a ;
|
|
#if wxOSX_USE_PREMULTIPLIED_ALPHA
|
|
// this must be non-premultiplied data
|
|
if ( a != 0xFF && a!= 0 )
|
|
{
|
|
r = r * 255 / a;
|
|
g = g * 255 / a;
|
|
b = b * 255 / a;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
data[index ] = r ;
|
|
data[index + 1] = g ;
|
|
data[index + 2] = b ;
|
|
|
|
index += 3;
|
|
}
|
|
}
|
|
|
|
if ( hasMask )
|
|
image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
|
|
|
|
return image;
|
|
}
|
|
|
|
#endif //wxUSE_IMAGE
|
|
|
|
bool wxBitmap::SaveFile( const wxString& filename,
|
|
wxBitmapType type, const wxPalette *palette ) const
|
|
{
|
|
bool success = false;
|
|
wxBitmapHandler *handler = FindHandler(type);
|
|
|
|
if ( handler )
|
|
{
|
|
success = handler->SaveFile(this, filename, type, palette);
|
|
}
|
|
else
|
|
{
|
|
#if wxUSE_IMAGE
|
|
wxImage image = ConvertToImage();
|
|
success = image.SaveFile(filename, type);
|
|
#else
|
|
wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
|
|
#endif
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
int wxBitmap::GetHeight() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->GetHeight();
|
|
}
|
|
|
|
int wxBitmap::GetWidth() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->GetWidth() ;
|
|
}
|
|
|
|
double wxBitmap::GetScaleFactor() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->GetScaleFactor() ;
|
|
}
|
|
|
|
int wxBitmap::GetDepth() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->GetDepth();
|
|
}
|
|
|
|
wxMask *wxBitmap::GetMask() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->m_bitmapMask;
|
|
}
|
|
|
|
bool wxBitmap::HasAlpha() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), false , wxT("invalid bitmap") );
|
|
|
|
return GetBitmapData()->HasAlpha() ;
|
|
}
|
|
|
|
#if WXWIN_COMPATIBILITY_3_0
|
|
void wxBitmap::SetWidth(int w)
|
|
{
|
|
AllocExclusive();
|
|
wxASSERT_MSG( GetWidth() == w, "Changing the bitmap width is not supported");
|
|
}
|
|
|
|
void wxBitmap::SetHeight(int h)
|
|
{
|
|
AllocExclusive();
|
|
wxASSERT_MSG( GetHeight() == h, "Changing the bitmap height is not supported");
|
|
}
|
|
|
|
void wxBitmap::SetDepth(int d)
|
|
{
|
|
AllocExclusive();
|
|
wxASSERT_MSG( d == -1 || GetDepth() == d, "Changing the bitmap depth is not supported");
|
|
}
|
|
#endif
|
|
|
|
#if wxUSE_PALETTE
|
|
wxPalette *wxBitmap::GetPalette() const
|
|
{
|
|
wxCHECK_MSG( IsOk(), NULL, wxT("Invalid bitmap GetPalette()") );
|
|
|
|
return & const_cast<wxBitmapRefData*>(GetBitmapData())->m_bitmapPalette;
|
|
}
|
|
|
|
void wxBitmap::SetPalette(const wxPalette& palette)
|
|
{
|
|
AllocExclusive();
|
|
GetBitmapData()->m_bitmapPalette = palette ;
|
|
}
|
|
#endif // wxUSE_PALETTE
|
|
|
|
void wxBitmap::SetMask(wxMask *mask)
|
|
{
|
|
AllocExclusive();
|
|
// Remove existing mask if there is one.
|
|
delete GetBitmapData()->m_bitmapMask;
|
|
|
|
GetBitmapData()->m_bitmapMask = mask ;
|
|
}
|
|
|
|
WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const
|
|
{
|
|
wxUnusedVar(mask);
|
|
|
|
return WXHBITMAP(GetBitmapData()->GetBitmapContext());
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMask
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxMask::wxMask()
|
|
{
|
|
Init() ;
|
|
}
|
|
|
|
wxMask::wxMask(const wxMask &tocopy) : wxMaskBase()
|
|
{
|
|
Init();
|
|
|
|
DoCreateMaskBitmap( tocopy.GetWidth(), tocopy.GetHeight(), tocopy.GetBytesPerRow());
|
|
int size = tocopy.GetHeight() * tocopy.GetBytesPerRow();
|
|
memcpy( GetRawAccess(), tocopy.GetRawAccess(), size);
|
|
}
|
|
|
|
// Construct a mask from a bitmap and a colour indicating
|
|
// the transparent area
|
|
wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
|
|
{
|
|
Init() ;
|
|
wxMaskBase::Create( bitmap, colour );
|
|
}
|
|
|
|
// Construct a mask from a mono bitmap (copies the bitmap).
|
|
wxMask::wxMask( const wxBitmap& bitmap )
|
|
{
|
|
Init() ;
|
|
wxMaskBase::Create( bitmap );
|
|
}
|
|
|
|
// Construct a mask from a mono bitmap (copies the bitmap).
|
|
|
|
wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow )
|
|
{
|
|
Init() ;
|
|
Create( data, width , height , bytesPerRow );
|
|
}
|
|
|
|
wxMask::~wxMask()
|
|
{
|
|
}
|
|
|
|
void wxMask::Init()
|
|
{
|
|
}
|
|
|
|
void *wxMask::GetRawAccess() const
|
|
{
|
|
wxCHECK_MSG( m_maskBitmap, NULL , wxT("invalid mask") ) ;
|
|
return CGBitmapContextGetData(m_maskBitmap);
|
|
}
|
|
|
|
int wxMask::GetBytesPerRow() const
|
|
{
|
|
return CGBitmapContextGetBytesPerRow(m_maskBitmap);
|
|
}
|
|
|
|
int wxMask::GetWidth() const
|
|
{
|
|
return CGBitmapContextGetWidth(m_maskBitmap);
|
|
}
|
|
|
|
int wxMask::GetHeight() const
|
|
{
|
|
return CGBitmapContextGetHeight(m_maskBitmap);
|
|
}
|
|
|
|
|
|
// The default ColorTable for k8IndexedGrayPixelFormat in Intel appears to be broken, so we'll use an non-indexed
|
|
// bitmap mask instead; in order to keep the code simple, the change applies to PowerPC implementations as well
|
|
|
|
void wxMask::DoCreateMaskBitmap(int width, int height, int bytesPerRow)
|
|
{
|
|
wxCFRef<CGColorSpaceRef> colorspace = CGColorSpaceCreateDeviceGray();
|
|
|
|
if ( bytesPerRow < 0 )
|
|
bytesPerRow = GetBestBytesPerRow(width * kMaskBytesPerPixel);
|
|
|
|
m_maskBitmap = CGBitmapContextCreate(NULL, width, height, kMaskBytesPerPixel * 8, bytesPerRow, colorspace,
|
|
kCGImageAlphaNone);
|
|
wxASSERT_MSG(m_maskBitmap, wxT("Unable to create CGBitmapContext context"));
|
|
}
|
|
|
|
void wxMask::RealizeNative()
|
|
{
|
|
#if 0
|
|
if ( m_maskBitmap )
|
|
{
|
|
CGContextRelease( (CGContextRef) m_maskBitmap );
|
|
m_maskBitmap = NULL ;
|
|
}
|
|
|
|
CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();
|
|
// from MouseTracking sample :
|
|
// Ironically, due to a bug in CGImageCreateWithMask, you cannot use
|
|
// CGColorSpaceCreateWithName(kCGColorSpaceGenericGray) at this point!
|
|
|
|
m_maskBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, colorspace,
|
|
kCGImageAlphaNone );
|
|
CGColorSpaceRelease( colorspace );
|
|
wxASSERT_MSG( m_maskBitmap , wxT("Unable to create CGBitmapContext context") ) ;
|
|
#endif
|
|
}
|
|
|
|
// Create a mask from a mono bitmap (copies the bitmap).
|
|
|
|
bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow)
|
|
{
|
|
wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ;
|
|
|
|
DoCreateMaskBitmap(width, height, bytesPerRow);
|
|
|
|
RealizeNative() ;
|
|
|
|
return true ;
|
|
}
|
|
|
|
bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap)
|
|
{
|
|
int m_width, m_height, m_bytesPerRow;
|
|
m_width = bitmap.GetWidth() ;
|
|
m_height = bitmap.GetHeight() ;
|
|
|
|
DoCreateMaskBitmap(m_width, m_height);
|
|
m_bytesPerRow = GetBytesPerRow();
|
|
|
|
// pixel access needs a non-const bitmap currently
|
|
wxBitmap bmp(bitmap);
|
|
wxNativePixelData data(bmp);
|
|
|
|
wxNativePixelData::Iterator p(data);
|
|
|
|
unsigned char * destdatabase = (unsigned char*) GetRawAccess();
|
|
wxASSERT( destdatabase != NULL ) ;
|
|
if ( destdatabase != NULL)
|
|
{
|
|
for ( int y = 0 ; y < m_height; ++y, destdatabase += m_bytesPerRow )
|
|
{
|
|
wxNativePixelData::Iterator rowStart = p;
|
|
unsigned char *destdata = destdatabase ;
|
|
for ( int x = 0 ; x < m_width ; ++x, ++p )
|
|
{
|
|
if ( ( p.Red() + p.Green() + p.Blue() ) > 0x10 )
|
|
*destdata++ = 0xFF ;
|
|
else
|
|
*destdata++ = 0x00 ;
|
|
}
|
|
p = rowStart;
|
|
p.OffsetY(data, 1);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour)
|
|
{
|
|
int m_width, m_height, m_bytesPerRow;
|
|
|
|
m_width = bitmap.GetWidth() ;
|
|
m_height = bitmap.GetHeight() ;
|
|
|
|
DoCreateMaskBitmap(m_width, m_height);
|
|
m_bytesPerRow = GetBytesPerRow();
|
|
|
|
// pixel access needs a non-const bitmap currently
|
|
wxBitmap bmp(bitmap);
|
|
wxNativePixelData data(bmp);
|
|
|
|
wxNativePixelData::Iterator p(data);
|
|
|
|
unsigned char * destdatabase = (unsigned char*) GetRawAccess();
|
|
wxASSERT( destdatabase != NULL ) ;
|
|
if ( destdatabase != NULL)
|
|
{
|
|
for ( int y = 0 ; y < m_height; ++y, destdatabase += m_bytesPerRow )
|
|
{
|
|
wxNativePixelData::Iterator rowStart = p;
|
|
unsigned char *destdata = destdatabase ;
|
|
for ( int x = 0 ; x < m_width ; ++x, ++p )
|
|
{
|
|
if ( wxColour( p.Red(), p.Green(), p.Blue() ) == colour )
|
|
*destdata++ = 0xFF ;
|
|
else
|
|
*destdata++ = 0x00 ;
|
|
}
|
|
p = rowStart;
|
|
p.OffsetY(data, 1);
|
|
}
|
|
}
|
|
|
|
RealizeNative() ;
|
|
|
|
return true;
|
|
}
|
|
|
|
wxBitmap wxMask::GetBitmap() const
|
|
{
|
|
int m_width, m_height, m_bytesPerRow;
|
|
m_width = GetWidth();
|
|
m_height = GetHeight();
|
|
m_bytesPerRow = GetBytesPerRow();
|
|
|
|
|
|
wxBitmap bitmap(m_width, m_height, 32);
|
|
wxNativePixelData data(bitmap);
|
|
|
|
wxNativePixelData::Iterator p(data);
|
|
|
|
const unsigned char* srcbase = static_cast<unsigned char*>(GetRawAccess());
|
|
|
|
for (int y = 0; y < m_height; ++y, srcbase += m_bytesPerRow)
|
|
{
|
|
wxNativePixelData::Iterator rowStart = p;
|
|
const unsigned char* src = srcbase;
|
|
for (int x = 0; x < m_width; ++x, ++p, ++src)
|
|
{
|
|
const unsigned char byte = *src;
|
|
p.Alpha() = 0xff;
|
|
p.Red() = byte;
|
|
p.Green() = byte;
|
|
p.Blue() = byte;
|
|
}
|
|
p = rowStart;
|
|
p.OffsetY(data, 1);
|
|
}
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
WXHBITMAP wxMask::GetHBITMAP() const
|
|
{
|
|
return m_maskBitmap ;
|
|
}
|
|
|
|
void wxMask::FreeData()
|
|
{
|
|
return m_maskBitmap.reset();
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Standard Handlers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxBundleResourceHandler: public wxBitmapHandler
|
|
{
|
|
wxDECLARE_ABSTRACT_CLASS(wxBundleResourceHandler);
|
|
|
|
public:
|
|
inline wxBundleResourceHandler()
|
|
{
|
|
}
|
|
|
|
virtual bool LoadFile(wxBitmap *bitmap,
|
|
const wxString& name,
|
|
wxBitmapType type,
|
|
int desiredWidth,
|
|
int desiredHeight) wxOVERRIDE;
|
|
};
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxBundleResourceHandler, wxBitmapHandler);
|
|
|
|
class WXDLLEXPORT wxPNGResourceHandler: public wxBundleResourceHandler
|
|
{
|
|
wxDECLARE_DYNAMIC_CLASS(wxPNGResourceHandler);
|
|
|
|
public:
|
|
inline wxPNGResourceHandler()
|
|
{
|
|
SetName(wxT("PNG resource"));
|
|
SetExtension("PNG");
|
|
SetType(wxBITMAP_TYPE_PNG_RESOURCE);
|
|
}
|
|
};
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxPNGResourceHandler, wxBundleResourceHandler);
|
|
|
|
class WXDLLEXPORT wxJPEGResourceHandler: public wxBundleResourceHandler
|
|
{
|
|
wxDECLARE_DYNAMIC_CLASS(wxJPEGResourceHandler);
|
|
|
|
public:
|
|
inline wxJPEGResourceHandler()
|
|
{
|
|
SetName(wxT("JPEG resource"));
|
|
SetExtension("JPEG");
|
|
SetType(wxBITMAP_TYPE_JPEG_RESOURCE);
|
|
}
|
|
};
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxJPEGResourceHandler, wxBundleResourceHandler);
|
|
|
|
class WXDLLEXPORT wxICNSResourceHandler: public wxBundleResourceHandler
|
|
{
|
|
wxDECLARE_DYNAMIC_CLASS(wxICNSResourceHandler);
|
|
|
|
public:
|
|
inline wxICNSResourceHandler()
|
|
{
|
|
SetName(wxT("icns resource"));
|
|
SetExtension("icns");
|
|
SetType(wxBITMAP_TYPE_ICON_RESOURCE);
|
|
}
|
|
};
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxICNSResourceHandler, wxBundleResourceHandler);
|
|
|
|
bool wxBundleResourceHandler::LoadFile(wxBitmap *bitmap,
|
|
const wxString& name,
|
|
wxBitmapType WXUNUSED(type),
|
|
int WXUNUSED(desiredWidth),
|
|
int WXUNUSED(desiredHeight))
|
|
{
|
|
wxString ext = GetExtension().Lower();
|
|
wxCFStringRef resname(name);
|
|
wxCFStringRef resname2x(name+"@2x");
|
|
wxCFStringRef restype(ext);
|
|
double scale = 1.0;
|
|
|
|
wxCFRef<CFURLRef> imageURL;
|
|
|
|
if ( wxOSXGetMainScreenContentScaleFactor() > 1.9 )
|
|
{
|
|
imageURL.reset(CFBundleCopyResourceURL(CFBundleGetMainBundle(), resname2x, restype, NULL));
|
|
scale = 2.0;
|
|
}
|
|
|
|
if ( imageURL.get() == NULL )
|
|
{
|
|
imageURL.reset(CFBundleCopyResourceURL(CFBundleGetMainBundle(), resname, restype, NULL));
|
|
scale = 1.0;
|
|
}
|
|
|
|
if ( imageURL.get() != NULL )
|
|
{
|
|
// Create the data provider object
|
|
wxCFRef<CGDataProviderRef> provider(CGDataProviderCreateWithURL (imageURL) );
|
|
CGImageRef image = NULL;
|
|
|
|
if ( ext == "jpeg" )
|
|
image = CGImageCreateWithJPEGDataProvider (provider, NULL, true,
|
|
kCGRenderingIntentDefault);
|
|
else if ( ext == "png" )
|
|
image = CGImageCreateWithPNGDataProvider (provider, NULL, true,
|
|
kCGRenderingIntentDefault);
|
|
if ( image != NULL )
|
|
{
|
|
bitmap->Create(image,scale);
|
|
CGImageRelease(image);
|
|
}
|
|
}
|
|
|
|
return false ;
|
|
}
|
|
|
|
/* static */
|
|
wxBitmap wxBitmapHelpers::NewFromPNGData(const void* data, size_t size)
|
|
{
|
|
wxCFRef<CGDataProviderRef>
|
|
provider(CGDataProviderCreateWithData(NULL, data, size, NULL) );
|
|
wxCFRef<CGImageRef>
|
|
image(CGImageCreateWithPNGDataProvider(provider, NULL, true,
|
|
kCGRenderingIntentDefault));
|
|
|
|
return wxBitmap(image);
|
|
}
|
|
|
|
void wxBitmap::InitStandardHandlers()
|
|
{
|
|
#if wxOSX_USE_COCOA_OR_CARBON
|
|
// no icns on iOS
|
|
AddHandler( new wxICNSResourceHandler ) ;
|
|
#endif
|
|
AddHandler( new wxPNGResourceHandler );
|
|
AddHandler( new wxJPEGResourceHandler );
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// raw bitmap access support
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
|
|
{
|
|
if ( !IsOk() )
|
|
// no bitmap, no data (raw or otherwise)
|
|
return NULL;
|
|
|
|
if ( bpp != GetDepth() )
|
|
return NULL;
|
|
|
|
data.m_width = GetWidth() ;
|
|
data.m_height = GetHeight() ;
|
|
data.m_stride = GetBitmapData()->GetBytesPerRow() ;
|
|
|
|
return GetBitmapData()->BeginRawAccess() ;
|
|
}
|
|
|
|
void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(dataBase))
|
|
{
|
|
GetBitmapData()->EndRawAccess() ;
|
|
}
|
|
|
|
void wxBitmap::UseAlpha(bool use )
|
|
{
|
|
// remember that we are using alpha channel:
|
|
// we'll need to create a proper mask in UngetRawData()
|
|
GetBitmapData()->UseAlpha( use );
|
|
}
|
|
|
|
void wxBitmap::SetSelectedInto(wxDC *dc)
|
|
{
|
|
GetBitmapData()->SetSelectedInto(dc) ;
|
|
}
|
|
|
|
wxDC* wxBitmap::GetSelectedInto() const
|
|
{
|
|
return GetBitmapData()->GetSelectedInto() ;
|
|
}
|