X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/670f9935630beb2123a5ca62894ae92a3f0efa4f..14aed066ad1a572673a1b9603725c60cc108c009:/src/gtk1/bitmap.cpp

diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index facb2e7204..a16c5d4a5c 100644
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -14,13 +14,14 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/dcmemory.h"
+    #include "wx/palette.h"
+    #include "wx/icon.h"
+    #include "wx/math.h"
+    #include "wx/image.h"
 #endif // WX_PRECOMP
 
-#include "wx/palette.h"
-#include "wx/icon.h"
 #include "wx/filefn.h"
-#include "wx/image.h"
-#include "wx/dcmemory.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
@@ -28,8 +29,6 @@
 
 #include <gdk/gdkrgb.h>
 
-#include "wx/math.h"
-
 extern
 void gdk_wx_draw_bitmap (GdkDrawable  *drawable,
                          GdkGC        *gc,
@@ -55,26 +54,26 @@ IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
 
 wxMask::wxMask()
 {
-    m_bitmap = (GdkBitmap *) NULL;
+    m_bitmap = NULL;
 }
 
 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {
-    m_bitmap = (GdkBitmap *) NULL;
+    m_bitmap = NULL;
     Create( bitmap, colour );
 }
 
 #if wxUSE_PALETTE
 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {
-    m_bitmap = (GdkBitmap *) NULL;
+    m_bitmap = NULL;
     Create( bitmap, paletteIndex );
 }
 #endif // wxUSE_PALETTE
 
 wxMask::wxMask( const wxBitmap& bitmap )
 {
-    m_bitmap = (GdkBitmap *) NULL;
+    m_bitmap = NULL;
     Create( bitmap );
 }
 
@@ -90,11 +89,11 @@ bool wxMask::Create( const wxBitmap& bitmap,
     if (m_bitmap)
     {
         gdk_bitmap_unref( m_bitmap );
-        m_bitmap = (GdkBitmap*) NULL;
+        m_bitmap = NULL;
     }
 
     wxImage image = bitmap.ConvertToImage();
-    if (!image.Ok()) return false;
+    if (!image.IsOk()) return false;
 
     m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
     GdkGC *gc = gdk_gc_new( m_bitmap );
@@ -196,10 +195,10 @@ bool wxMask::Create( const wxBitmap& bitmap )
     if (m_bitmap)
     {
         gdk_bitmap_unref( m_bitmap );
-        m_bitmap = (GdkBitmap*) NULL;
+        m_bitmap = NULL;
     }
 
-    if (!bitmap.Ok()) return false;
+    if (!bitmap.IsOk()) return false;
 
     wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
 
@@ -221,15 +220,20 @@ GdkBitmap *wxMask::GetBitmap() const
     return m_bitmap;
 }
 
+
 //-----------------------------------------------------------------------------
-// wxBitmap
+// wxBitmapRefData
 //-----------------------------------------------------------------------------
 
-class wxBitmapRefData: public wxObjectRefData
+class wxBitmapRefData : public wxGDIRefData
 {
 public:
     wxBitmapRefData();
-    ~wxBitmapRefData();
+    wxBitmapRefData(const wxBitmapRefData& data);
+    bool Create(int width, int height, int bpp);
+    virtual ~wxBitmapRefData();
+
+    virtual bool IsOk() const { return m_pixmap || m_bitmap; }
 
     GdkPixmap      *m_pixmap;
     GdkBitmap      *m_bitmap;
@@ -237,18 +241,99 @@ public:
     int             m_width;
     int             m_height;
     int             m_bpp;
+#if wxUSE_PALETTE
     wxPalette      *m_palette;
+#endif // wxUSE_PALETTE
 };
 
 wxBitmapRefData::wxBitmapRefData()
 {
-    m_pixmap = (GdkPixmap *) NULL;
-    m_bitmap = (GdkBitmap *) NULL;
-    m_mask = (wxMask *) NULL;
+    m_pixmap = NULL;
+    m_bitmap = NULL;
+    m_mask = NULL;
     m_width = 0;
     m_height = 0;
     m_bpp = 0;
-    m_palette = (wxPalette *) NULL;
+#if wxUSE_PALETTE
+    m_palette = NULL;
+#endif // wxUSE_PALETTE
+}
+
+wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
+{
+    Create(data.m_width, data.m_height, data.m_bpp);
+
+    m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL;
+
+#if wxUSE_PALETTE
+    wxASSERT_MSG( !data.m_palette,
+                  wxT("copying bitmaps palette not implemented") );
+#endif // wxUSE_PALETTE
+
+
+    // copy the bitmap data by simply drawing the source bitmap on this one
+    GdkPixmap **dst;
+    if ( data.m_pixmap )
+    {
+        dst = &m_pixmap;
+    }
+    else if ( data.m_bitmap )
+    {
+        dst = &m_bitmap;
+    }
+    else // invalid bitmap?
+    {
+        return;
+    }
+
+    GdkGC *gc = gdk_gc_new(*dst);
+    if ( m_bpp == 1 )
+    {
+        gdk_wx_draw_bitmap(m_bitmap, gc, data.m_bitmap, 0, 0, 0, 0, -1, -1);
+    }
+    else // colour pixmap
+    {
+        gdk_draw_pixmap(m_pixmap, gc, data.m_pixmap, 0, 0, 0, 0, -1, -1);
+    }
+
+    gdk_gc_unref(gc);
+}
+
+bool wxBitmapRefData::Create(int width, int height, int bpp)
+{
+    m_width = width;
+    m_height = height;
+    m_bpp = bpp;
+
+    m_mask = NULL;
+#if wxUSE_PALETTE
+    m_palette = NULL;
+#endif
+
+    // to understand how this compiles you should know that GdkPixmap and
+    // GdkBitmap are one and the same type in GTK+ 1
+    GdkPixmap **ppix;
+    if ( m_bpp != 1 )
+    {
+        const GdkVisual * const visual = wxTheApp->GetGdkVisual();
+
+        wxCHECK_MSG( (bpp == -1) || (bpp == visual->depth) || (bpp == 32), false,
+                        wxT("invalid bitmap depth") );
+
+        m_bpp = visual->depth;
+
+        ppix = &m_pixmap;
+        m_bitmap = NULL;
+    }
+    else // mono bitmap
+    {
+        ppix = &m_bitmap;
+        m_pixmap = NULL;
+    }
+
+    *ppix = gdk_pixmap_new( wxGetRootWindow()->window, width, height, m_bpp );
+
+    return *ppix != NULL;
 }
 
 wxBitmapRefData::~wxBitmapRefData()
@@ -263,19 +348,23 @@ wxBitmapRefData::~wxBitmapRefData()
 #endif // wxUSE_PALETTE
 }
 
+
+//-----------------------------------------------------------------------------
+// wxBitmap
 //-----------------------------------------------------------------------------
 
 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 
-wxBitmap::wxBitmap()
+wxGDIRefData *wxBitmap::CreateGDIRefData() const
 {
+    return new wxBitmapRefData;
 }
 
-wxBitmap::wxBitmap( int width, int height, int depth )
+wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const
 {
-    Create( width, height, depth );
+    return new wxBitmapRefData(*static_cast<const wxBitmapRefData *>(data));
 }
 
 bool wxBitmap::Create( int width, int height, int depth )
@@ -287,47 +376,23 @@ bool wxBitmap::Create( int width, int height, int depth )
         return false;
     }
 
-    GdkVisual *visual = wxTheApp->GetGdkVisual();
-
-    if (depth == -1)
-        depth = visual->depth;
-
-    wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false,
-                    wxT("invalid bitmap depth") );
-
     m_refData = new wxBitmapRefData();
-    M_BMPDATA->m_mask = (wxMask *) NULL;
-    M_BMPDATA->m_width = width;
-    M_BMPDATA->m_height = height;
-    if (depth == 1)
-    {
-        M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
-        M_BMPDATA->m_bpp = 1;
-    }
-    else
-    {
-        M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
-        M_BMPDATA->m_bpp = visual->depth;
-    }
-
-    return Ok();
+    return M_BMPDATA->Create(width, height, depth);
 }
 
-bool wxBitmap::CreateFromXpm( const char **bits )
+wxBitmap::wxBitmap(const char* const* bits)
 {
-    UnRef();
-
-    wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
+    wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
 
     GdkVisual *visual = wxTheApp->GetGdkVisual();
 
     m_refData = new wxBitmapRefData();
 
-    GdkBitmap *mask = (GdkBitmap*) NULL;
+    GdkBitmap *mask = NULL;
 
     M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
 
-    wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") );
+    wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap"));
 
     if (mask)
     {
@@ -338,13 +403,11 @@ bool wxBitmap::CreateFromXpm( const char **bits )
     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 
     M_BMPDATA->m_bpp = visual->depth;  // Can we get a different depth from create_from_xpm_d() ?
-
-    return true;
 }
 
 wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
 {
-    wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), wxNullBitmap, wxT("invalid bitmap") );
 
     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
         return *this;
@@ -356,7 +419,7 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight,
 
     wxBitmap bmp;
 
-    GdkImage *img = (GdkImage*) NULL;
+    GdkImage *img = NULL;
     if (GetPixmap())
         img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
     else if (GetBitmap())
@@ -529,7 +592,7 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 {
     UnRef();
 
-    wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
+    wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") );
     wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") );
 
     if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
@@ -575,7 +638,7 @@ bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
 
     // Create mask image
 
-    GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = NULL;
 
     if (image.HasMask())
     {
@@ -711,7 +774,7 @@ bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
 
     // Create mask image
 
-    GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = NULL;
 
     if (image.HasMask())
     {
@@ -891,7 +954,7 @@ wxImage wxBitmap::ConvertToImage() const
 {
     wxImage image;
 
-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
 
     image.Create(GetWidth(), GetHeight());
     unsigned char *data = image.GetData();
@@ -909,7 +972,7 @@ wxImage wxBitmap::ConvertToImage() const
     static const int MASK_BLUE = 3;
     static const int MASK_BLUE_REPLACEMENT = 2;
 
-    GdkImage *gdk_image = (GdkImage*) NULL;
+    GdkImage *gdk_image = NULL;
 
     if (HasPixmap())
     {
@@ -930,7 +993,7 @@ wxImage wxBitmap::ConvertToImage() const
 
     wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
 
-    GdkImage *gdk_image_mask = (GdkImage*) NULL;
+    GdkImage *gdk_image_mask = NULL;
     if (GetMask())
     {
         gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
@@ -1051,7 +1114,7 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
     {
         m_refData = new wxBitmapRefData();
 
-        M_BMPDATA->m_mask = (wxMask *) NULL;
+        M_BMPDATA->m_mask = NULL;
         M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
                               (
                                 wxGetRootWindow()->window,
@@ -1071,54 +1134,39 @@ 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
-{
-    return (m_refData != NULL) &&
-           (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap);
-}
-
 int wxBitmap::GetHeight() const
 {
-    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_height;
 }
 
 int wxBitmap::GetWidth() const
 {
-    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_width;
 }
 
 int wxBitmap::GetDepth() const
 {
-    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bpp;
 }
 
 wxMask *wxBitmap::GetMask() const
 {
-    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_mask;
 }
 
 void wxBitmap::SetMask( wxMask *mask )
 {
-    wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+    wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
 
+    AllocExclusive();
     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 
     M_BMPDATA->m_mask = mask;
@@ -1132,13 +1180,13 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 
 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
 {
-    wxCHECK_MSG( Ok() &&
+    wxCHECK_MSG( IsOk() &&
                  (rect.x >= 0) && (rect.y >= 0) &&
                  (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
                  wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 
     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
-    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+    wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") );
 
     if (ret.GetPixmap())
     {
@@ -1180,12 +1228,12 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
 
 bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
 {
-    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
 
     // Try to save the bitmap via wxImage handlers:
     {
         wxImage image = ConvertToImage();
-        if (image.Ok()) return image.SaveFile( name, type );
+        if (image.IsOk()) return image.SaveFile( name, type );
     }
 
     return false;
@@ -1204,7 +1252,7 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
     {
         m_refData = new wxBitmapRefData();
 
-        GdkBitmap *mask = (GdkBitmap*) NULL;
+        GdkBitmap *mask = NULL;
 
         M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
                               (
@@ -1227,7 +1275,7 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
     else // try if wxImage can load it
     {
         wxImage image;
-        if ( !image.LoadFile( name, type ) || !image.Ok() )
+        if ( !image.LoadFile( name, type ) || !image.IsOk() )
             return false;
 
         *this = wxBitmap(image);
@@ -1239,8 +1287,8 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
 #if wxUSE_PALETTE
 wxPalette *wxBitmap::GetPalette() const
 {
-    if (!Ok())
-        return (wxPalette *) NULL;
+    if (!IsOk())
+        return NULL;
 
     return M_BMPDATA->m_palette;
 }
@@ -1253,25 +1301,19 @@ 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;
 }
 
@@ -1293,26 +1335,26 @@ void wxBitmap::SetBitmap( GdkPixmap *bitmap )
 
 GdkPixmap *wxBitmap::GetPixmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_pixmap;
 }
 
 bool wxBitmap::HasPixmap() const
 {
-    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_pixmap != NULL;
 }
 
 GdkBitmap *wxBitmap::GetBitmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }
 
-void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+void *wxBitmap::GetRawData(wxPixelDataBase& WXUNUSED(data), int WXUNUSED(bpp))
 {
     return NULL;
 }
@@ -1321,59 +1363,11 @@ void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
 {
 }
 
-
 bool wxBitmap::HasAlpha() const
 {
     return false;
 }
 
-void wxBitmap::UseAlpha()
-{
-}
-
-//-----------------------------------------------------------------------------
-// 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))
-{
-    wxFAIL_MSG( _T("not implemented") );
-
-    return false;
-}
-
-bool wxBitmapHandler::LoadFile(wxBitmap * WXUNUSED(bitmap),
-                               const wxString& WXUNUSED(name),
-                               long WXUNUSED(flags),
-                               int WXUNUSED(desiredWidth),
-                               int WXUNUSED(desiredHeight))
-{
-    wxFAIL_MSG( _T("not implemented") );
-
-    return false;
-}
-
-bool wxBitmapHandler::SaveFile(const wxBitmap * WXUNUSED(bitmap),
-                               const wxString& WXUNUSED(name),
-                               int WXUNUSED(type),
-                               const wxPalette * WXUNUSED(palette))
-{
-    wxFAIL_MSG( _T("not implemented") );
-
-    return false;
-}
-
 /* static */ void wxBitmap::InitStandardHandlers()
 {
     // TODO: Insert handler based on GdkPixbufs handler later