avoiding nesting dcs on the same window concurrently

[wxWidgets.git] / src / dfb / bitmap.cpp

diff --git a/src/dfb/bitmap.cpp b/src/dfb/bitmap.cpp
index 25d426dbeb473682b8b9f5ee8fba92fabbbdd96d..59d158d517ffe37f9810da77b325ffa0c3db64f4 100644 (file)
--- a/src/dfb/bitmap.cpp
+++ b/src/dfb/bitmap.cpp
@@ -24,123 +24,34 @@
 #include "wx/colour.h"
 #include "wx/image.h"
 
 #include "wx/colour.h"
 #include "wx/image.h"
 

-#warning "move this to common"
-#include "wx/xpmdecod.h"
-

 #include "wx/dfb/private.h"
 
 //-----------------------------------------------------------------------------
 // helpers
 //-----------------------------------------------------------------------------
 
 #include "wx/dfb/private.h"
 
 //-----------------------------------------------------------------------------
 // helpers
 //-----------------------------------------------------------------------------
 

-// Convert wxColour into it's quantized value in lower-precision
-// pixel format (needed for masking by colour).
-static wxColour wxQuantizeColour(const wxColour& clr, const wxBitmap& bmp)
-{
-#if 0
-    pixel_format_t *pf = bmp.GetMGLbitmap_t()->pf;
-
-    if ( pf->redAdjust == 0 && pf->greenAdjust == 0 && pf->blueAdjust == 0 )
-        return clr;
-    else
-        return wxColour((unsigned char)((clr.Red() >> pf->redAdjust) << pf->redAdjust),
-                        (unsigned char)((clr.Green() >> pf->greenAdjust) << pf->greenAdjust),
-                        (unsigned char)((clr.Blue() >> pf->blueAdjust) << pf->blueAdjust));
-#endif
-}
-
-
-//-----------------------------------------------------------------------------
-// wxMask
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
-
-wxMask::wxMask() : m_bitmap(NULL)
-{
-}
-
-wxMask::wxMask(const wxBitmap& bitmap)
-    : m_bitmap(NULL)
-{
-    Create(bitmap);
-}
-
-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
-    : m_bitmap(NULL)
-{
-    Create(bitmap, colour);
-}
-
-#if wxUSE_PALETTE
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
-    : m_bitmap(NULL)
-{
-    Create(bitmap, paletteIndex);
-}
-#endif // wxUSE_PALETTE
-
-wxMask::wxMask(const wxMask& mask)
-{
-    m_bitmap = mask.m_bitmap ? new wxBitmap(*mask.m_bitmap) : NULL;
-}
-
-wxMask::~wxMask()
-{
-    delete m_bitmap;
-}
-
-#warning "move this to common code"
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
-{
-    delete m_bitmap;
-    m_bitmap = NULL;
-
-    wxColour clr(wxQuantizeColour(colour, bitmap));
-
-    wxImage imgSrc(bitmap.ConvertToImage());
-    imgSrc.SetMask(false);
-    wxImage image(imgSrc.ConvertToMono(clr.Red(), clr.Green(), clr.Blue()));
-    if ( !image.Ok() )
-        return false;
-
-    m_bitmap = new wxBitmap(image, 1);
-
-    return m_bitmap->Ok();
-}
-
-#if wxUSE_PALETTE
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+// Creates a surface that will use wxImage's pixel data (RGB only)
+static wxIDirectFBSurfacePtr CreateSurfaceForImage(const wxImage& image)

 {
 {

-    unsigned char r,g,b;
-    wxPalette *pal = bitmap.GetPalette();
-
-    wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
-
-    pal->GetRGB(paletteIndex, &r, &g, &b);
-
-    return Create(bitmap, wxColour(r, g, b));
-}
-#endif // wxUSE_PALETTE
+    wxCHECK_MSG( image.Ok(), NULL, _T("invalid image") );
+    // FIXME_DFB: implement alpha handling by merging alpha buffer with RGB
+    //            into a temporary RGBA surface
+    wxCHECK_MSG( !image.HasAlpha(), NULL, _T("alpha channel not supported") );

 
 

-bool wxMask::Create(const wxBitmap& bitmap)
-{
-    delete m_bitmap;
-    m_bitmap = NULL;
-
-    wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap") );
-    wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") );
-
-    m_bitmap = new wxBitmap(bitmap);
-    return true;
-}
+    DFBSurfaceDescription desc;
+    desc.flags = (DFBSurfaceDescriptionFlags)
+        (DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT |
+         DSDESC_PREALLOCATED);
+    desc.caps = DSCAPS_NONE;
+    desc.width = image.GetWidth();
+    desc.height = image.GetHeight();
+    desc.pixelformat = DSPF_RGB24;
+    desc.preallocated[0].data = image.GetData();
+    desc.preallocated[0].pitch = 3 * desc.width;

 
 

-const wxBitmap& wxMask::GetBitmap() const
-{
-    return m_bitmap ? *m_bitmap : wxNullBitmap;
+    return wxIDirectFB::Get()->CreateSurface(&desc);

 }
 
 }
 

-

 //-----------------------------------------------------------------------------
 // wxBitmapRefData
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxBitmapRefData
 //-----------------------------------------------------------------------------


@@ -188,7 +99,7 @@ public:
 // wxBitmap
 //-----------------------------------------------------------------------------
 
 // wxBitmap
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)

 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxBitmapBase)
 
 wxBitmap::wxBitmap(int width, int height, int depth)
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxBitmapBase)
 
 wxBitmap::wxBitmap(int width, int height, int depth)


@@ -212,6 +123,7 @@ bool wxBitmap::Create(int width, int height, int depth)
     UnRef();
 
     wxCHECK_MSG( width > 0 && height > 0, false, wxT("invalid bitmap size") );
     UnRef();
 
     wxCHECK_MSG( width > 0 && height > 0, false, wxT("invalid bitmap size") );

+    wxCHECK_MSG( depth == -1, false, wxT("only default depth supported now") );

 
     DFBSurfaceDescription desc;
     desc.flags = (DFBSurfaceDescriptionFlags)(
 
     DFBSurfaceDescription desc;
     desc.flags = (DFBSurfaceDescriptionFlags)(


@@ -223,36 +135,45 @@ bool wxBitmap::Create(int width, int height, int depth)
     return Create(wxIDirectFB::Get()->CreateSurface(&desc));
 }
 
     return Create(wxIDirectFB::Get()->CreateSurface(&desc));
 }
 

-#warning "FIXME: move this to common code"
-bool wxBitmap::CreateFromXpm(const char **bits)
+#if wxUSE_IMAGE
+wxBitmap::wxBitmap(const wxImage& image, int depth)

 {
 {

-    wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
+    wxCHECK_RET( image.Ok(), wxT("invalid image") );

 
 

-#if wxUSE_IMAGE && wxUSE_XPM
-    wxXPMDecoder decoder;
-    wxImage img = decoder.ReadData(bits);
-    wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") );
+    // create surface in screen's format:
+    if ( !Create(image.GetWidth(), image.GetHeight(), depth) )
+        return;

 
 

-    *this = wxBitmap(img);
+    // then copy the image to it:
+    wxIDirectFBSurfacePtr src(CreateSurfaceForImage(image));
+    wxIDirectFBSurfacePtr dst = M_BITMAP->m_surface;

 
 

-    return true;
-#else
-    wxFAIL_MSG( _T("creating bitmaps from XPMs not supported") );
-    return false;
-#endif // wxUSE_IMAGE && wxUSE_XPM
-}
+    if ( !dst->SetBlittingFlags(DSBLIT_NOFX) )
+        return;
+    if ( !dst->Blit(src->GetRaw(), NULL, 0, 0) )
+        return;

 
 

-#if wxUSE_IMAGE
-wxBitmap::wxBitmap(const wxImage& image, int depth)
-{
-    wxCHECK_RET( image.Ok(), wxT("invalid image") );
+    // FIXME: implement mask creation from image's mask (or alpha channel?)
+    wxASSERT_MSG( !image.HasMask(), _T("image masks are ignored for now") );

 }
 
 wxImage wxBitmap::ConvertToImage() const
 {
     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 
 }
 
 wxImage wxBitmap::ConvertToImage() const
 {
     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 

-    return wxNullImage; // FIXME
+    wxImage img(GetWidth(), GetHeight());
+    wxIDirectFBSurfacePtr dst(CreateSurfaceForImage(img));
+    wxIDirectFBSurfacePtr src = M_BITMAP->m_surface;
+
+    if ( !dst->SetBlittingFlags(DSBLIT_NOFX) )
+        return wxNullImage;
+    if ( !dst->Blit(src->GetRaw(), NULL, 0, 0) )
+        return wxNullImage;
+
+    // FIXME: implement mask setting in the image
+    wxASSERT_MSG( GetMask() == NULL, _T("bitmap masks are ignored for now") );
+
+    return img;

 }
 #endif // wxUSE_IMAGE
 
 }
 #endif // wxUSE_IMAGE
 


@@ -264,9 +185,11 @@ wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type)
 wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
 {
     wxCHECK_RET( depth == 1, wxT("can only create mono bitmap from XBM data") );
 wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
 {
     wxCHECK_RET( depth == 1, wxT("can only create mono bitmap from XBM data") );

+
+    wxFAIL_MSG( _T("not implemented") );

 }
 
 }
 

-bool wxBitmap::Ok() const
+bool wxBitmap::IsOk() const

 {
     return (m_refData != NULL && M_BITMAP->m_surface);
 }
 {
     return (m_refData != NULL && M_BITMAP->m_surface);
 }


@@ -417,19 +340,22 @@ void wxBitmap::SetPalette(const wxPalette& palette)
 void wxBitmap::SetHeight(int height)
 {
     AllocExclusive();
 void wxBitmap::SetHeight(int height)
 {
     AllocExclusive();

-#warning "todo"
+
+    wxFAIL_MSG( _T("SetHeight not implemented") );

 }
 
 void wxBitmap::SetWidth(int width)
 {
     AllocExclusive();
 }
 
 void wxBitmap::SetWidth(int width)
 {
     AllocExclusive();

-#warning "todo"
+
+    wxFAIL_MSG( _T("SetWidth not implemented") );

 }
 
 void wxBitmap::SetDepth(int depth)
 {
     AllocExclusive();
 }
 
 void wxBitmap::SetDepth(int depth)
 {
     AllocExclusive();

-#warning "todo"
+
+    wxFAIL_MSG( _T("SetDepth not implemented") );

 }
 
 wxIDirectFBSurfacePtr wxBitmap::GetDirectFBSurface() const
 }
 
 wxIDirectFBSurfacePtr wxBitmap::GetDirectFBSurface() const