X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/52c8d32a71bb7553dd89324fa6d56faac95eb5d0..f518afb5dcd87eca4287a442e5cc78baf3ab9d4b:/src/dfb/bitmap.cpp

diff --git a/src/dfb/bitmap.cpp b/src/dfb/bitmap.cpp
index dbb25257a5..59d158d517 100644
--- a/src/dfb/bitmap.cpp
+++ b/src/dfb/bitmap.cpp
@@ -24,123 +24,34 @@
 #include "wx/colour.h"
 #include "wx/image.h"
 
-#warning "move this to common"
-#include "wx/xpmdecod.h"
-
 #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()
+// Creates a surface that will use wxImage's pixel data (RGB only)
+static wxIDirectFBSurfacePtr CreateSurfaceForImage(const wxImage& image)
 {
-    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;
+    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") );
 
-    m_bitmap = new wxBitmap(image, 1);
-
-    return m_bitmap->Ok();
-}
-
-#if wxUSE_PALETTE
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
-{
-    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
-
-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
 //-----------------------------------------------------------------------------
@@ -158,8 +69,9 @@ public:
 
     wxBitmapRefData(const wxBitmapRefData& data)
     {
-        m_surface = wxDfbCloneSurface(data.m_surface,
-                                      wxDfbCloneSurface_NoPixels);
+        if ( data.m_surface )
+            m_surface = data.m_surface->Clone();
+
         m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL;
 #if wxUSE_PALETTE
         m_palette = data.m_palette ? new wxPalette(*data.m_palette) : NULL;
@@ -187,7 +99,7 @@ public:
 // wxBitmap
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxBitmapBase)
 
 wxBitmap::wxBitmap(int width, int height, int depth)
@@ -195,11 +107,23 @@ wxBitmap::wxBitmap(int width, int height, int depth)
     Create(width, height, depth);
 }
 
+bool wxBitmap::Create(const wxIDirectFBSurfacePtr& surface)
+{
+    UnRef();
+
+    wxCHECK_MSG( surface, false, _T("invalid surface") );
+
+    m_refData = new wxBitmapRefData();
+    M_BITMAP->m_surface = surface;
+    return true;
+}
+
 bool wxBitmap::Create(int width, int height, int depth)
 {
     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)(
@@ -208,46 +132,48 @@ bool wxBitmap::Create(int width, int height, int depth)
     desc.width = width;
     desc.height = height;
 
-    wxIDirectFBSurfacePtr surface(wxIDirectFB::Get()->CreateSurface(&desc));
-    if ( !surface )
-        return false;
-
-    m_refData = new wxBitmapRefData();
-    M_BITMAP->m_surface = surface;
-
-    return true;
+    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") );
 
-    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
 
@@ -259,9 +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") );
+
+    wxFAIL_MSG( _T("not implemented") );
 }
 
-bool wxBitmap::Ok() const
+bool wxBitmap::IsOk() const
 {
     return (m_refData != NULL && M_BITMAP->m_surface);
 }
@@ -294,7 +222,7 @@ int wxBitmap::GetDepth() const
 {
     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
-    return wxDfbGetSurfaceDepth(M_BITMAP->m_surface);
+    return M_BITMAP->m_surface->GetDepth();
 }
 
 wxMask *wxBitmap::GetMask() const
@@ -327,6 +255,10 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect& rect) const
                  wxNullBitmap,
                  wxT("invalid bitmap or bitmap region") );
 
+    // NB: DirectFB subsurfaces share the same pixels buffer, so we must
+    //     clone the obtained subsurface
+    DFBRectangle r = { rect.x, rect.y, rect.width, rect.height };
+    return wxBitmap(M_BITMAP->m_surface->GetSubSurface(&r)->Clone());
 }
 
 #warning "to common code"
@@ -408,19 +340,22 @@ void wxBitmap::SetPalette(const wxPalette& palette)
 void wxBitmap::SetHeight(int height)
 {
     AllocExclusive();
-#warning "todo"
+
+    wxFAIL_MSG( _T("SetHeight not implemented") );
 }
 
 void wxBitmap::SetWidth(int width)
 {
     AllocExclusive();
-#warning "todo"
+
+    wxFAIL_MSG( _T("SetWidth not implemented") );
 }
 
 void wxBitmap::SetDepth(int depth)
 {
     AllocExclusive();
-#warning "todo"
+
+    wxFAIL_MSG( _T("SetDepth not implemented") );
 }
 
 wxIDirectFBSurfacePtr wxBitmap::GetDirectFBSurface() const