memdc and bitmap fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@260 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling 1998-07-13 17:00:29 +00:00
parent 5a8c929eb4
commit 0180d5daae
11 changed files with 63 additions and 14 deletions

View File

@ -99,6 +99,7 @@ class wxPaintDC: public wxDC
GdkGC *m_textGC;
GdkGC *m_bgGC;
GdkColormap *m_cmap;
bool m_isDrawable;
void SetUpDC(void);
GdkWindow *GetWindow(void);

View File

@ -38,7 +38,7 @@ class WXDLLEXPORT wxMemoryDC: public wxPaintDC
wxMemoryDC( wxDC *dc ); // Create compatible DC
~wxMemoryDC(void);
virtual void SelectObject( const wxBitmap& bitmap );
void GetSize( int *width, int *height );
void GetSize( int *width, int *height ) const;
private:
friend wxPaintDC;

View File

@ -99,6 +99,7 @@ class wxPaintDC: public wxDC
GdkGC *m_textGC;
GdkGC *m_bgGC;
GdkColormap *m_cmap;
bool m_isDrawable;
void SetUpDC(void);
GdkWindow *GetWindow(void);

View File

@ -38,7 +38,7 @@ class WXDLLEXPORT wxMemoryDC: public wxPaintDC
wxMemoryDC( wxDC *dc ); // Create compatible DC
~wxMemoryDC(void);
virtual void SelectObject( const wxBitmap& bitmap );
void GetSize( int *width, int *height );
void GetSize( int *width, int *height ) const;
private:
friend wxPaintDC;

View File

@ -89,6 +89,9 @@ wxBitmapRefData::wxBitmapRefData(void)
m_height = 0;
m_bpp = 0;
m_palette = NULL;
#ifdef USE_GDK_IMLIB
m_image = NULL;
#endif
};
wxBitmapRefData::~wxBitmapRefData(void)
@ -121,7 +124,8 @@ wxBitmap::wxBitmap( int width, int height, int depth )
M_BMPDATA->m_mask = NULL;
M_BMPDATA->m_pixmap =
gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
M_BMPDATA->m_bpp = depth;
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -144,6 +148,8 @@ wxBitmap::wxBitmap( char **bits )
M_BMPDATA->m_mask->m_bitmap = mask;
};
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
#else
M_BMPDATA->m_image = gdk_imlib_create_image_from_xpm_data( bits );
@ -151,7 +157,6 @@ wxBitmap::wxBitmap( char **bits )
#endif
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_bpp = 24; // ?
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -184,7 +189,8 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
M_BMPDATA->m_mask = NULL;
M_BMPDATA->m_bitmap =
gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
M_BMPDATA->m_bpp = 1;
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -377,7 +383,8 @@ void wxBitmap::Render(void)
#ifdef USE_GDK_IMLIB
gdk_imlib_render( M_BMPDATA->m_image, M_BMPDATA->m_image->rgb_width, M_BMPDATA->m_image->rgb_height );
M_BMPDATA->m_width = M_BMPDATA->m_image->rgb_width;
M_BMPDATA->m_height = M_BMPDATA->m_image->rgb_height;
M_BMPDATA->m_pixmap = gdk_imlib_move_image( M_BMPDATA->m_image );
GdkBitmap *mask = gdk_imlib_move_mask( M_BMPDATA->m_image );
if (mask)

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@ -100,6 +100,9 @@ wxPaintDC::wxPaintDC( wxWindow *window )
m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
else
m_cmap = gtk_widget_get_colormap( window->m_widget );
m_isDrawable = TRUE;
SetUpDC();
long x = 0;
@ -517,7 +520,18 @@ void wxPaintDC::Clear(void)
if (!Ok()) return;
DestroyClippingRegion();
gdk_window_clear( m_window );
if (m_isDrawable)
{
gdk_window_clear( m_window );
}
else
{
int width = 0;
int height = 0;
GetSize( &width, &height );
gdk_draw_rectangle( m_window, m_brushGC, TRUE, 0, 0, width, height );
};
};
void wxPaintDC::SetFont( const wxFont &font )

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@ -51,6 +51,8 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
}
SetUpDC();
m_isDrawable = FALSE;
}
else
{
@ -59,7 +61,7 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
};
};
void wxMemoryDC::GetSize( int *width, int *height )
void wxMemoryDC::GetSize( int *width, int *height ) const
{
if (m_selected.Ok())
{

View File

@ -89,6 +89,9 @@ wxBitmapRefData::wxBitmapRefData(void)
m_height = 0;
m_bpp = 0;
m_palette = NULL;
#ifdef USE_GDK_IMLIB
m_image = NULL;
#endif
};
wxBitmapRefData::~wxBitmapRefData(void)
@ -121,7 +124,8 @@ wxBitmap::wxBitmap( int width, int height, int depth )
M_BMPDATA->m_mask = NULL;
M_BMPDATA->m_pixmap =
gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
M_BMPDATA->m_bpp = depth;
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -144,6 +148,8 @@ wxBitmap::wxBitmap( char **bits )
M_BMPDATA->m_mask->m_bitmap = mask;
};
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
#else
M_BMPDATA->m_image = gdk_imlib_create_image_from_xpm_data( bits );
@ -151,7 +157,6 @@ wxBitmap::wxBitmap( char **bits )
#endif
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_bpp = 24; // ?
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -184,7 +189,8 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
M_BMPDATA->m_mask = NULL;
M_BMPDATA->m_bitmap =
gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
M_BMPDATA->m_bpp = 1;
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
@ -377,7 +383,8 @@ void wxBitmap::Render(void)
#ifdef USE_GDK_IMLIB
gdk_imlib_render( M_BMPDATA->m_image, M_BMPDATA->m_image->rgb_width, M_BMPDATA->m_image->rgb_height );
M_BMPDATA->m_width = M_BMPDATA->m_image->rgb_width;
M_BMPDATA->m_height = M_BMPDATA->m_image->rgb_height;
M_BMPDATA->m_pixmap = gdk_imlib_move_image( M_BMPDATA->m_image );
GdkBitmap *mask = gdk_imlib_move_mask( M_BMPDATA->m_image );
if (mask)

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@ -100,6 +100,9 @@ wxPaintDC::wxPaintDC( wxWindow *window )
m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
else
m_cmap = gtk_widget_get_colormap( window->m_widget );
m_isDrawable = TRUE;
SetUpDC();
long x = 0;
@ -517,7 +520,18 @@ void wxPaintDC::Clear(void)
if (!Ok()) return;
DestroyClippingRegion();
gdk_window_clear( m_window );
if (m_isDrawable)
{
gdk_window_clear( m_window );
}
else
{
int width = 0;
int height = 0;
GetSize( &width, &height );
gdk_draw_rectangle( m_window, m_brushGC, TRUE, 0, 0, width, height );
};
};
void wxPaintDC::SetFont( const wxFont &font )

View File

@ -51,6 +51,8 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
}
SetUpDC();
m_isDrawable = FALSE;
}
else
{
@ -59,7 +61,7 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
};
};
void wxMemoryDC::GetSize( int *width, int *height )
void wxMemoryDC::GetSize( int *width, int *height ) const
{
if (m_selected.Ok())
{

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@ -348,6 +348,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
wxMemoryDC memDC;
memDC.SelectObject( *my_backstore );
memDC.Clear();
memDC.SetBrush( *wxBLACK_BRUSH );
memDC.SetPen( *wxWHITE_PEN );
memDC.DrawRectangle( 0, 0, 150, 150 );