X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7002950658c3e0460b273af66c929c1ca125b5a3..c7c6e54baed01937426239dd38164ee0326fa172:/src/gtk/bitmap.cpp diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp index 5d0c21a9ac..37cf202e56 100644 --- a/src/gtk/bitmap.cpp +++ b/src/gtk/bitmap.cpp @@ -193,7 +193,9 @@ public: int m_width; int m_height; int m_bpp; +#if wxUSE_PALETTE wxPalette *m_palette; +#endif // wxUSE_PALETTE }; wxBitmapRefData::wxBitmapRefData() @@ -204,7 +206,9 @@ wxBitmapRefData::wxBitmapRefData() m_width = 0; m_height = 0; m_bpp = 0; +#if wxUSE_PALETTE m_palette = (wxPalette *) NULL; +#endif // wxUSE_PALETTE } wxBitmapRefData::~wxBitmapRefData() @@ -225,13 +229,43 @@ wxBitmapRefData::~wxBitmapRefData() IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxBitmap::wxBitmap() +wxBitmap::wxBitmap(int width, int height, int depth) +{ + Create(width, height, depth); +} + +wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type) { + LoadFile(filename, type); } -wxBitmap::wxBitmap( int width, int height, int depth ) +wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) +{ + wxASSERT(depth == 1); + if (width > 0 && height > 0 && depth == 1) + { + SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, bits, width, height)); + + wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("couldn't create bitmap") ); + } +} + +wxBitmap::wxBitmap(const char* const* bits) +{ + wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data")); + + GdkBitmap* mask = NULL; + SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, wx_const_cast(char**, bits))); + + if (M_BMPDATA->m_pixmap != NULL && mask != NULL) + { + M_BMPDATA->m_mask = new wxMask; + M_BMPDATA->m_mask->m_bitmap = mask; + } +} + +wxBitmap::~wxBitmap() { - Create( width, height, depth ); } bool wxBitmap::Create( int width, int height, int depth ) @@ -245,8 +279,7 @@ bool wxBitmap::Create( int width, int height, int depth ) if (depth == 32) { - SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height)); - M_BMPDATA->m_bpp = 32; + SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height), 32); } else { @@ -265,27 +298,7 @@ bool wxBitmap::Create( int width, int height, int depth ) return Ok(); } -bool wxBitmap::CreateFromXpm( const char **bits ) -{ - UnRef(); - - wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); - - GdkBitmap *mask = (GdkBitmap*) NULL; - SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, (gchar**)bits)); - - wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") ); - - if (mask) - { - M_BMPDATA->m_mask = new wxMask; - M_BMPDATA->m_mask->m_bitmap = mask; - } - - return true; -} - -wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) +wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy) const { wxBitmap bmp; @@ -303,11 +316,10 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, if (M_BMPDATA->m_pixbuf != NULL && ( M_BMPDATA->m_mask == NULL || gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf))) { - bmp.SetDepth(GetDepth()); bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, - gdk_pixbuf_get_has_alpha(GetPixbuf()), - 8, width, height)); - gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(), + gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf), + 8, width, height), M_BMPDATA->m_bpp); + gdk_pixbuf_scale(M_BMPDATA->m_pixbuf, bmp.GetPixbuf(), 0, 0, width, height, clipx, clipy, (double)newx/GetWidth(), (double)newy/GetHeight(), @@ -315,7 +327,8 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, } else { - GdkImage* img = gdk_drawable_get_image(GetPixmap(), 0, 0, GetWidth(), GetHeight()); + GdkImage* img = gdk_drawable_get_image( + M_BMPDATA->m_pixmap, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height); wxCHECK_MSG(img, bmp, wxT("couldn't create image")); @@ -326,11 +339,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, if (GetDepth() != 1) { - GdkVisual *visual = gdk_drawable_get_visual( GetPixmap() ); - if (visual == NULL) - visual = wxTheApp->GetGdkVisual(); - - bmp = wxBitmap(width, height, visual->depth); + bmp.Create(width, height, gdk_drawable_get_depth(M_BMPDATA->m_pixmap)); dstpix = bmp.GetPixmap(); gc = gdk_gc_new( dstpix ); } @@ -407,7 +416,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, if ( dst ) { - bmp = wxBitmap( (const char *)dst, width, height, 1 ); + bmp = wxBitmap(dst, width, height, 1); free( dst ); } @@ -572,24 +581,19 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) int width = image.GetWidth(); int height = image.GetHeight(); - GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, - true, - 8 /* bits per sample */, - width, height); + Create(width, height, 32); + GdkPixbuf* pixbuf = M_BMPDATA->m_pixbuf; if (!pixbuf) return false; - SetDepth(32); - SetPixbuf(pixbuf); - // Copy the data: - unsigned char *in = image.GetData(); + const unsigned char* in = image.GetData(); unsigned char *out = gdk_pixbuf_get_pixels(pixbuf); unsigned char *alpha = image.GetAlpha(); - int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; + int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; - for (int y = 0; y < height; y++, out += rowinc) + for (int y = 0; y < height; y++, out += rowpad) { for (int x = 0; x < width; x++, alpha++, out += 4, in += 3) { @@ -605,13 +609,11 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) wxImage wxBitmap::ConvertToImage() const { - wxImage image; - wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); const int w = GetWidth(); const int h = GetHeight(); - image.Create(w, h); + wxImage image(w, h, false); unsigned char *data = image.GetData(); wxCHECK_MSG(data != NULL, wxNullImage, wxT("couldn't create image") ); @@ -626,12 +628,12 @@ wxImage wxBitmap::ConvertToImage() const image.SetAlpha(); alpha = image.GetAlpha(); } - unsigned char *in = gdk_pixbuf_get_pixels(pixbuf); + const unsigned char* in = gdk_pixbuf_get_pixels(pixbuf); unsigned char *out = data; const int inc = 3 + int(alpha != NULL); - const int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - inc * w; + const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - inc * w; - for (int y = 0; y < h; y++, in += rowinc) + for (int y = 0; y < h; y++, in += rowpad) { for (int x = 0; x < w; x++, in += inc, out += 3) { @@ -670,8 +672,10 @@ wxImage wxBitmap::ConvertToImage() const // convert mask, unless there is already alpha if (GetMask() && !image.HasAlpha()) { - // the colour used as transparent one in wxImage and the one it is - // replaced with when it really occurs in the bitmap + // we hard code the mask colour for now but we could also make an + // effort (and waste time) to choose a colour not present in the + // image already to avoid having to fudge the pixels below -- + // whether it's worth to do it is unclear however const int MASK_RED = 1; const int MASK_GREEN = 2; const int MASK_BLUE = 3; @@ -692,6 +696,8 @@ wxImage wxBitmap::ConvertToImage() const } else if (data[0] == MASK_RED && data[1] == MASK_GREEN && data[2] == MASK_BLUE) { + // we have to fudge the colour a bit to prevent + // this pixel from appearing transparent data[2] = MASK_BLUE_REPLACEMENT; } } @@ -702,36 +708,7 @@ wxImage wxBitmap::ConvertToImage() const return image; } -wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) -{ - LoadFile( filename, type ); -} - -wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) -{ - if ( width > 0 && height > 0 ) - { - SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, bits, width, height)); - - wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("couldn't create bitmap") ); - } -} - -wxBitmap::~wxBitmap() -{ -} - -bool wxBitmap::operator == ( const wxBitmap& bmp ) const -{ - return m_refData == bmp.m_refData; -} - -bool wxBitmap::operator != ( const wxBitmap& bmp ) const -{ - return m_refData != bmp.m_refData; -} - -bool wxBitmap::Ok() const +bool wxBitmap::IsOk() const { return (m_refData != NULL) && ( @@ -772,8 +749,8 @@ void wxBitmap::SetMask( wxMask *mask ) { wxCHECK_RET( Ok(), wxT("invalid bitmap") ); - if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; - + AllocExclusive(); + delete M_BMPDATA->m_mask; M_BMPDATA->m_mask = mask; } @@ -787,25 +764,25 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { wxBitmap ret; - wxCHECK_MSG( Ok() && - (rect.x >= 0) && (rect.y >= 0) && - (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), - ret, wxT("invalid bitmap or bitmap region") ); + wxCHECK_MSG(Ok(), ret, wxT("invalid bitmap")); + wxCHECK_MSG(rect.x >= 0 && rect.y >= 0 && + rect.x + rect.width <= M_BMPDATA->m_width && + rect.y + rect.height <= M_BMPDATA->m_height, + ret, wxT("invalid bitmap region")); - if (HasPixbuf()) + if (HasPixbuf() || M_BMPDATA->m_bpp == 32) { GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(GetPixbuf()), 8, rect.width, rect.height); - ret.SetPixbuf(pixbuf); - ret.SetDepth(M_BMPDATA->m_bpp); + ret.SetPixbuf(pixbuf, M_BMPDATA->m_bpp); gdk_pixbuf_copy_area(GetPixbuf(), rect.x, rect.y, rect.width, rect.height, pixbuf, 0, 0); } else { - ret = wxBitmap(rect.width, rect.height, M_BMPDATA->m_bpp); + ret.Create(rect.width, rect.height, M_BMPDATA->m_bpp); GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); g_object_unref (gc); @@ -854,7 +831,7 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) { wxImage image; if (image.LoadFile(name, type) && image.Ok()) - *this = wxBitmap(image); + CreateFromImage(image, -1); } return Ok(); @@ -863,8 +840,7 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) #if wxUSE_PALETTE wxPalette *wxBitmap::GetPalette() const { - if (!Ok()) - return (wxPalette *) NULL; + wxCHECK_MSG(Ok(), NULL, wxT("invalid bitmap")); return M_BMPDATA->m_palette; } @@ -877,25 +853,19 @@ void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) void wxBitmap::SetHeight( int height ) { - if (!m_refData) - m_refData = new wxBitmapRefData; - + AllocExclusive(); M_BMPDATA->m_height = height; } void wxBitmap::SetWidth( int width ) { - if (!m_refData) - m_refData = new wxBitmapRefData; - + AllocExclusive(); M_BMPDATA->m_width = width; } void wxBitmap::SetDepth( int depth ) { - if (!m_refData) - m_refData = new wxBitmapRefData; - + AllocExclusive(); M_BMPDATA->m_bpp = depth; } @@ -904,6 +874,8 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap ) if (!m_refData) m_refData = new wxBitmapRefData; + // AllocExclusive should not be needed for this internal function + wxASSERT(m_refData->GetRefCount() == 1); wxASSERT(M_BMPDATA->m_pixmap == NULL); M_BMPDATA->m_pixmap = pixmap; gdk_drawable_get_size(pixmap, &M_BMPDATA->m_width, &M_BMPDATA->m_height); @@ -929,7 +901,7 @@ GdkPixmap *wxBitmap::GetPixmap() const gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf, &M_BMPDATA->m_pixmap, pmask, - 128 /*threshold*/); + wxIMAGE_ALPHA_THRESHOLD); } return M_BMPDATA->m_pixmap; @@ -954,9 +926,9 @@ GdkPixbuf *wxBitmap::GetPixbuf() const GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, GetMask() != NULL, 8, width, height); - M_BMPDATA->m_pixbuf = - gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, - 0, 0, 0, 0, width, height); + M_BMPDATA->m_pixbuf = pixbuf; + gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, + 0, 0, 0, 0, width, height); // apply the mask to created pixbuf: if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask) @@ -998,15 +970,23 @@ bool wxBitmap::HasPixbuf() const return M_BMPDATA->m_pixbuf != NULL; } -void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf ) +void wxBitmap::SetPixbuf(GdkPixbuf* pixbuf, int depth) { if (!m_refData) m_refData = new wxBitmapRefData; + // AllocExclusive should not be needed for this internal function + wxASSERT(m_refData->GetRefCount() == 1); wxASSERT(M_BMPDATA->m_pixbuf == NULL); M_BMPDATA->m_pixbuf = pixbuf; M_BMPDATA->m_width = gdk_pixbuf_get_width(pixbuf); M_BMPDATA->m_height = gdk_pixbuf_get_height(pixbuf); + // if depth specified + if (depth != 0) + M_BMPDATA->m_bpp = depth; + else if (M_BMPDATA->m_bpp == 0) + // use something reasonable + M_BMPDATA->m_bpp = wxTheApp->GetGdkVisual()->depth; PurgeOtherRepresentations(Pixbuf); } @@ -1059,53 +1039,62 @@ void wxBitmap::UseAlpha() if (!gdk_pixbuf_get_has_alpha(pixbuf)) { M_BMPDATA->m_pixbuf = NULL; - SetPixbuf(gdk_pixbuf_add_alpha(pixbuf, false, 0, 0, 0)); + AllocExclusive(); + M_BMPDATA->m_pixbuf = gdk_pixbuf_add_alpha(pixbuf, false, 0, 0, 0); g_object_unref(pixbuf); } } -//----------------------------------------------------------------------------- -// wxBitmapHandler -//----------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase) - -wxBitmapHandler::~wxBitmapHandler() -{ -} - -bool wxBitmapHandler::Create(wxBitmap * WXUNUSED(bitmap), - void * WXUNUSED(data), - long WXUNUSED(type), - int WXUNUSED(width), - int WXUNUSED(height), - int WXUNUSED(depth)) +wxObjectRefData* wxBitmap::CreateRefData() const { - wxFAIL_MSG( _T("not implemented") ); - - return false; + return new wxBitmapRefData; } -bool wxBitmapHandler::LoadFile(wxBitmap * WXUNUSED(bitmap), - const wxString& WXUNUSED(name), - long WXUNUSED(flags), - int WXUNUSED(desiredWidth), - int WXUNUSED(desiredHeight)) +wxObjectRefData* wxBitmap::CloneRefData(const wxObjectRefData* data) const { - wxFAIL_MSG( _T("not implemented") ); + const wxBitmapRefData* oldRef = wx_static_cast(const wxBitmapRefData*, data); + wxBitmapRefData* newRef = new wxBitmapRefData; + newRef->m_width = oldRef->m_width; + newRef->m_height = oldRef->m_height; + newRef->m_bpp = oldRef->m_bpp; + if (oldRef->m_pixmap != NULL) + { + newRef->m_pixmap = gdk_pixmap_new( + oldRef->m_pixmap, oldRef->m_width, oldRef->m_height, + // use pixmap depth, m_bpp may not match + gdk_drawable_get_depth(oldRef->m_pixmap)); + GdkGC* gc = gdk_gc_new(newRef->m_pixmap); + gdk_draw_drawable( + newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1); + g_object_unref(gc); + } + if (oldRef->m_pixbuf != NULL) + { + newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf); + } + if (oldRef->m_mask != NULL) + { + newRef->m_mask = new wxMask; + newRef->m_mask->m_bitmap = gdk_pixmap_new( + oldRef->m_mask->m_bitmap, oldRef->m_width, oldRef->m_height, 1); + GdkGC* gc = gdk_gc_new(newRef->m_mask->m_bitmap); + gdk_draw_drawable(newRef->m_mask->m_bitmap, + gc, oldRef->m_mask->m_bitmap, 0, 0, 0, 0, -1, -1); + g_object_unref(gc); + } +#if wxUSE_PALETTE + // implement this if SetPalette is ever implemented + wxASSERT(oldRef->m_palette == NULL); +#endif - return false; + return newRef; } -bool wxBitmapHandler::SaveFile(const wxBitmap * WXUNUSED(bitmap), - const wxString& WXUNUSED(name), - int WXUNUSED(type), - const wxPalette * WXUNUSED(palette)) -{ - wxFAIL_MSG( _T("not implemented") ); +//----------------------------------------------------------------------------- +// wxBitmapHandler +//----------------------------------------------------------------------------- - return false; -} +IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) /* static */ void wxBitmap::InitStandardHandlers() {