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Landing 2.8 ABI compatible version of wxGraphicsBitmap API/implementation.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@56801 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Kevin Ollivier
2008-11-16 23:25:09 +00:00
parent 085dae419f
commit f6810851c6
5 changed files with 221 additions and 108 deletions
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211
src/msw/graphics.cpp
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@@ -258,6 +258,19 @@ private :
GraphicsPath* m_brushPath;
};
class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsObjectRefData
{
public:
wxGDIPlusBitmapData( wxGraphicsRenderer* renderer );
wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, const wxBitmap &bmp );
~wxGDIPlusBitmapData ();
virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; }
private :
Bitmap* m_bitmap;
};
class WXDLLIMPEXP_CORE wxGDIPlusFontData : public wxGraphicsObjectRefData
{
public:
@@ -312,6 +325,7 @@ public:
// gets the matrix of this context
virtual wxGraphicsMatrix GetTransform() const;
void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void PushState();
@@ -612,6 +626,99 @@ void wxGDIPlusBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wx
b->SetSurroundColors(colors, &count);
}
wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer,
const wxBitmap &bmp) : wxGraphicsObjectRefData( renderer )
{
m_bitmap = NULL;
Bitmap* image = NULL;
Bitmap* helper = NULL;
if ( bmp.GetMask() )
{
Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ;
size_t width = interim.GetWidth();
size_t height = interim.GetHeight();
Rect bounds(0,0,width,height);
image = new Bitmap(width,height,PixelFormat32bppPARGB) ;
Bitmap interimMask((HBITMAP)bmp.GetMask()->GetMaskBitmap(),NULL);
wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed);
BitmapData dataMask ;
interimMask.LockBits(&bounds,ImageLockModeRead,
interimMask.GetPixelFormat(),&dataMask);
BitmapData imageData ;
image->LockBits(&bounds,ImageLockModeWrite, PixelFormat32bppPARGB, &imageData);
BYTE maskPattern = 0 ;
BYTE maskByte = 0;
size_t maskIndex ;
for ( size_t y = 0 ; y < height ; ++y)
{
maskIndex = 0 ;
for( size_t x = 0 ; x < width; ++x)
{
if ( x % 8 == 0)
{
maskPattern = 0x80;
maskByte = *((BYTE*)dataMask.Scan0 + dataMask.Stride*y + maskIndex);
maskIndex++;
}
else
maskPattern = maskPattern >> 1;
ARGB *dest = (ARGB*)((BYTE*)imageData.Scan0 + imageData.Stride*y + x*4);
if ( (maskByte & maskPattern) == 0 )
*dest = 0x00000000;
else
{
Color c ;
interim.GetPixel(x,y,&c) ;
*dest = (c.GetValue() | Color::AlphaMask);
}
}
}
image->UnlockBits(&imageData);
interimMask.UnlockBits(&dataMask);
interim.UnlockBits(&dataMask);
}
else
{
image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE());
if ( bmp.HasAlpha() && GetPixelFormatSize(image->GetPixelFormat()) == 32 )
{
size_t width = image->GetWidth();
size_t height = image->GetHeight();
Rect bounds(0,0,width,height);
BitmapData data ;
helper = image ;
image = NULL ;
helper->LockBits(&bounds, ImageLockModeRead,
helper->GetPixelFormat(),&data);
image = new Bitmap(data.Width, data.Height, data.Stride,
PixelFormat32bppPARGB , (BYTE*) data.Scan0);
helper->UnlockBits(&data);
}
}
if ( image )
m_bitmap = image;
delete helper;
}
wxGDIPlusBitmapData::~wxGDIPlusBitmapData()
{
delete m_bitmap;
}
//-----------------------------------------------------------------------------
// wxGDIPlusFont implementation
//-----------------------------------------------------------------------------
@@ -1064,91 +1171,17 @@ void wxGDIPlusContext::PopState()
// premultiplied format, therefore in the failing cases we create a new bitmap using the non-premultiplied
// bytes as parameter
void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
void wxGDIPlusContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
Bitmap* image = NULL;
Bitmap* helper = NULL;
if ( bmp.GetMask() )
{
Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ;
size_t width = interim.GetWidth();
size_t height = interim.GetHeight();
Rect bounds(0,0,width,height);
image = new Bitmap(width,height,PixelFormat32bppPARGB) ;
Bitmap interimMask((HBITMAP)bmp.GetMask()->GetMaskBitmap(),NULL);
wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed);
BitmapData dataMask ;
interimMask.LockBits(&bounds,ImageLockModeRead,
interimMask.GetPixelFormat(),&dataMask);
BitmapData imageData ;
image->LockBits(&bounds,ImageLockModeWrite, PixelFormat32bppPARGB, &imageData);
BYTE maskPattern = 0 ;
BYTE maskByte = 0;
size_t maskIndex ;
for ( size_t y = 0 ; y < height ; ++y)
{
maskIndex = 0 ;
for( size_t x = 0 ; x < width; ++x)
{
if ( x % 8 == 0)
{
maskPattern = 0x80;
maskByte = *((BYTE*)dataMask.Scan0 + dataMask.Stride*y + maskIndex);
maskIndex++;
}
else
maskPattern = maskPattern >> 1;
ARGB *dest = (ARGB*)((BYTE*)imageData.Scan0 + imageData.Stride*y + x*4);
if ( (maskByte & maskPattern) == 0 )
*dest = 0x00000000;
else
{
Color c ;
interim.GetPixel(x,y,&c) ;
*dest = (c.GetValue() | Color::AlphaMask);
}
}
}
image->UnlockBits(&imageData);
interimMask.UnlockBits(&dataMask);
interim.UnlockBits(&dataMask);
}
else
{
image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE());
if ( bmp.HasAlpha() && GetPixelFormatSize(image->GetPixelFormat()) == 32 )
{
size_t width = image->GetWidth();
size_t height = image->GetHeight();
Rect bounds(0,0,width,height);
BitmapData data ;
helper = image ;
image = NULL ;
helper->LockBits(&bounds, ImageLockModeRead,
helper->GetPixelFormat(),&data);
image = new Bitmap(data.Width, data.Height, data.Stride,
PixelFormat32bppPARGB , (BYTE*) data.Scan0);
helper->UnlockBits(&data);
}
}
Bitmap* image = static_cast<wxGDIPlusBitmapData*>(bmp.GetRefData())->GetGDIPlusBitmap();
if ( image )
m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ;
delete image ;
delete helper ;
}
void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
DrawBitmap(bitmap, x, y, w, h);
}
void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
@@ -1402,6 +1435,8 @@ public :
// sets the font
virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
wxGraphicsBitmap CreateBitmap( const wxBitmap &bmp ) ;
protected :
void EnsureIsLoaded();
void Load();
@@ -1576,4 +1611,16 @@ wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColou
return wxNullGraphicsFont;
}
wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap& bmp )
{
if ( bmp.Ok() )
{
wxGraphicsBitmap p;
p.SetRefData(new wxGDIPlusBitmapData( this , bmp ));
return p;
}
else
return wxNullGraphicsBitmap;
}
#endif // wxUSE_GRAPHICS_CONTEXT