X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f65e33794fca0c936227235515a40e7df5c56e3..d1c8aaa3ee8e2051ebd20042b7e59a511c276ca2:/src/gtk/bitmap.cpp diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp index 6c2ecbe6d4..ed3595f860 100644 --- a/src/gtk/bitmap.cpp +++ b/src/gtk/bitmap.cpp @@ -2,10 +2,9 @@ // Name: bitmap.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -13,11 +12,29 @@ #endif #include "wx/bitmap.h" -#include "gdk/gdkprivate.h" +#include "wx/icon.h" +#include "wx/filefn.h" +#include "wx/image.h" +#include "wx/dcmemory.h" + +#include +#include + +extern void gdk_wx_draw_bitmap (GdkDrawable *drawable, + GdkGC *gc, + GdkDrawable *src, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height); -#ifdef USE_GDK_IMLIB -#include "gdk_imlib.h" -#endif +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern GtkWidget *wxRootWindow; //----------------------------------------------------------------------------- // wxMask @@ -25,49 +42,176 @@ IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) -wxMask::wxMask(void) +wxMask::wxMask() { - m_bitmap = NULL; -}; + m_bitmap = (GdkBitmap *) NULL; +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) ) +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap, colour ); +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const int WXUNUSED(paletteIndex) ) +wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap, paletteIndex ); +} -wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) ) +wxMask::wxMask( const wxBitmap& bitmap ) { -}; + m_bitmap = (GdkBitmap *) NULL; + Create( bitmap ); +} -wxMask::~wxMask(void) +wxMask::~wxMask() { -#ifdef USE_GDK_IMLIB - // do not delete the mask, gdk_imlib does it for you -#else - if (m_bitmap) gdk_bitmap_unref( m_bitmap ); -#endif -}; + if (m_bitmap) + gdk_bitmap_unref( m_bitmap ); +} + +bool wxMask::Create( const wxBitmap& bitmap, + const wxColour& colour ) +{ + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = (GdkBitmap*) NULL; + } + + wxImage image( bitmap ); + if (!image.Ok()) return FALSE; + + m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 ); + GdkGC *gc = gdk_gc_new( m_bitmap ); + + GdkColor color; + color.red = 65000; + color.green = 65000; + color.blue = 65000; + color.pixel = 1; + gdk_gc_set_foreground( gc, &color ); + gdk_gc_set_fill( gc, GDK_SOLID ); + gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() ); + + unsigned char *data = image.GetData(); + int index = 0; + + unsigned char red = colour.Red(); + unsigned char green = colour.Green(); + unsigned char blue = colour.Blue(); + + GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window ); + wxASSERT( visual ); + + int bpp = visual->depth; + if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; + if (bpp == 15) + { + red = red & 0xf8; + green = green & 0xf8; + blue = blue & 0xf8; + } + if (bpp == 16) + { + red = red & 0xf8; + green = green & 0xfc; + blue = blue & 0xf8; + } + + color.red = 0; + color.green = 0; + color.blue = 0; + color.pixel = 0; + gdk_gc_set_foreground( gc, &color ); + + for (int j = 0; j < image.GetHeight(); j++) + { + int start_x = -1; + int i; + for (i = 0; i < image.GetWidth(); i++) + { + if ((data[index] == red) && + (data[index+1] == green) && + (data[index+2] == blue)) + { + if (start_x == -1) + start_x = i; + } + else + { + if (start_x != -1) + { + gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j ); + start_x = -1; + } + } + index += 3; + } + if (start_x != -1) + gdk_draw_line( m_bitmap, gc, start_x, j, i, j ); + } + + gdk_gc_unref( gc ); + + return TRUE; +} -GdkBitmap *wxMask::GetBitmap(void) const +bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap), + int WXUNUSED(paletteIndex) ) { - return m_bitmap; -}; - + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = (GdkBitmap*) NULL; + } + + wxFAIL_MSG( wxT("not implemented") ); + + return FALSE; +} + +bool wxMask::Create( const wxBitmap& bitmap ) +{ + if (m_bitmap) + { + gdk_bitmap_unref( m_bitmap ); + m_bitmap = (GdkBitmap*) NULL; + } + + if (!bitmap.Ok()) return FALSE; + + wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") ); + + m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); + + if (!m_bitmap) return FALSE; + + GdkGC *gc = gdk_gc_new( m_bitmap ); + + gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); + + gdk_gc_unref( gc ); + + return TRUE; +} + +GdkBitmap *wxMask::GetBitmap() const +{ + return m_bitmap; +} + //----------------------------------------------------------------------------- // wxBitmap //----------------------------------------------------------------------------- -// CMB 20/5/98: added m_bitmap for GdkBitmaps class wxBitmapRefData: public wxObjectRefData { - public: - - wxBitmapRefData(void); - ~wxBitmapRefData(void); - +public: + wxBitmapRefData(); + ~wxBitmapRefData(); + GdkPixmap *m_pixmap; GdkBitmap *m_bitmap; wxMask *m_mask; @@ -77,28 +221,24 @@ class wxBitmapRefData: public wxObjectRefData wxPalette *m_palette; }; -wxBitmapRefData::wxBitmapRefData(void) +wxBitmapRefData::wxBitmapRefData() { - m_pixmap = NULL; - m_bitmap = NULL; - m_mask = NULL; - m_width = 0; - m_height = 0; - m_bpp = 0; - m_palette = NULL; -}; + m_pixmap = (GdkPixmap *) NULL; + m_bitmap = (GdkBitmap *) NULL; + m_mask = (wxMask *) NULL; + m_width = 0; + m_height = 0; + m_bpp = 0; + m_palette = (wxPalette *) NULL; +} -wxBitmapRefData::~wxBitmapRefData(void) +wxBitmapRefData::~wxBitmapRefData() { -#ifdef USE_GDK_IMLIB - if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap ); -#else - if (m_pixmap) gdk_pixmap_unref( m_pixmap ); - if (m_bitmap) gdk_bitmap_unref( m_bitmap ); -#endif - if (m_mask) delete m_mask; - if (m_palette) delete m_palette; -}; + if (m_pixmap) gdk_pixmap_unref( m_pixmap ); + if (m_bitmap) gdk_bitmap_unref( m_bitmap ); + if (m_mask) delete m_mask; + if (m_palette) delete m_palette; +} //----------------------------------------------------------------------------- @@ -106,212 +246,314 @@ wxBitmapRefData::~wxBitmapRefData(void) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxBitmap::wxBitmap(void) +wxBitmap::wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; - -wxBitmap::wxBitmap( const int width, const int height, const int depth ) -{ - m_refData = new wxBitmapRefData(); - 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_bpp = depth; - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); +} -wxBitmap::wxBitmap( char **bits ) +wxBitmap::wxBitmap( int width, int height, int depth ) { - m_refData = new wxBitmapRefData(); - - GdkBitmap *mask = NULL; + Create( width, height, depth ); -#ifndef USE_GDK_IMLIB - M_BMPDATA->m_pixmap = - gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits ); -#else - M_BMPDATA->m_pixmap = NULL; - int res = gdk_imlib_data_to_pixmap( bits, &M_BMPDATA->m_pixmap, &mask ); -#endif - - if (mask) - { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; - }; - - 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); -}; - -wxBitmap::wxBitmap( const wxBitmap& bmp ) + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); +} + +bool wxBitmap::Create( int width, int height, int depth ) { - Ref( bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; - -wxBitmap::wxBitmap( const wxBitmap* bmp ) + UnRef(); + + wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") ) + + GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window ); + wxASSERT( visual ); + + if (depth == -1) depth = visual->depth; + + wxCHECK_MSG( (depth == visual->depth) || + (depth == 1), 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( wxRootWindow->window, width, height, 1 ); + M_BMPDATA->m_bpp = 1; + } + else + { + M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth ); + M_BMPDATA->m_bpp = visual->depth; + } + + return Ok(); +} +bool wxBitmap::CreateFromXpm( const char **bits ) { - if (bmp) Ref( *bmp ); - - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); -}; + wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) -wxBitmap::wxBitmap( const wxString &filename, const int type ) + GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window ); + wxASSERT( visual ); + + m_refData = new wxBitmapRefData(); + + GdkBitmap *mask = (GdkBitmap*) NULL; + + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->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; + } + + gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); + + M_BMPDATA->m_bpp = visual->depth; // ? + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + + return TRUE; +} + +wxBitmap::wxBitmap( const wxBitmap& bmp ) { - LoadFile( filename, type ); -}; + Ref( bmp ); + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); +} -// CMB 15/5/98: add constructor for xbm bitmaps -wxBitmap::wxBitmap( const char bits[], const int width, const int height, const int WXUNUSED(depth)) +wxBitmap::wxBitmap( const wxString &filename, int type ) { - m_refData = new wxBitmapRefData(); + LoadFile( filename, type ); - 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_bpp = 1; + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); +} - if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); +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_bitmap = + gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height ); + M_BMPDATA->m_width = width; + M_BMPDATA->m_height = height; + M_BMPDATA->m_bpp = 1; + + wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); } - -wxBitmap::~wxBitmap(void) + +wxBitmap::~wxBitmap() { - if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); -}; - + if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this); +} + wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) { - if (*this == bmp) return (*this); - Ref( bmp ); - return *this; -}; - -bool wxBitmap::operator == ( const wxBitmap& bmp ) + if (*this == bmp) return (*this); + Ref( bmp ); + return *this; +} + +bool wxBitmap::operator == ( const wxBitmap& bmp ) const { - return m_refData == bmp.m_refData; -}; - -bool wxBitmap::operator != ( const wxBitmap& bmp ) + return m_refData == bmp.m_refData; +} + +bool wxBitmap::operator != ( const wxBitmap& bmp ) const { - return m_refData != bmp.m_refData; -}; - -bool wxBitmap::Ok(void) const + return m_refData != bmp.m_refData; +} + +bool wxBitmap::Ok() const { - return m_refData != NULL; -}; - -int wxBitmap::GetHeight(void) const + return (m_refData != NULL); +} + +int wxBitmap::GetHeight() const { - if (!Ok()) return 0; - return M_BMPDATA->m_height; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + + return M_BMPDATA->m_height; +} -int wxBitmap::GetWidth(void) const +int wxBitmap::GetWidth() const { - if (!Ok()) return 0; - return M_BMPDATA->m_width; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); -int wxBitmap::GetDepth(void) const + return M_BMPDATA->m_width; +} + +int wxBitmap::GetDepth() const { - if (!Ok()) return 0; - return M_BMPDATA->m_bpp; -}; + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); -void wxBitmap::SetHeight( const int height ) + return M_BMPDATA->m_bpp; +} + +wxMask *wxBitmap::GetMask() const { - if (!Ok()) return; - M_BMPDATA->m_height = height; -}; + wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); -void wxBitmap::SetWidth( const int width ) + return M_BMPDATA->m_mask; +} + +void wxBitmap::SetMask( wxMask *mask ) { - if (!Ok()) return; - M_BMPDATA->m_width = width; -}; + wxCHECK_RET( Ok(), wxT("invalid bitmap") ); + + if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; -void wxBitmap::SetDepth( const int depth ) + M_BMPDATA->m_mask = mask; +} + +wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const +{ + 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), + wxNullBitmap, wxT("invalid bitmap or bitmap region") ); + + wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); + wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); + + if (ret.GetPixmap()) + { + GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); + gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } + else + { + GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); + gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_gc_destroy( gc ); + } + + if (GetMask()) + { + wxMask *mask = new wxMask; + mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 ); + + GdkGC *gc = gdk_gc_new( mask->m_bitmap ); + gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height ); + gdk_gc_destroy( gc ); + + ret.SetMask( mask ); + } + + return ret; +} + +bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) ) { - if (!Ok()) return; - M_BMPDATA->m_bpp = depth; -}; + wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") ); + + // Try to save the bitmap via wxImage handlers: + { + wxImage image( *this ); + if (image.Ok()) return image.SaveFile( name, type ); + } + + return FALSE; +} -wxMask *wxBitmap::GetMask(void) const +bool wxBitmap::LoadFile( const wxString &name, int type ) { - if (!Ok()) return NULL; - return M_BMPDATA->m_mask; -}; + UnRef(); -void wxBitmap::SetMask( wxMask *mask ) + if (!wxFileExists(name)) return FALSE; + + GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window ); + wxASSERT( visual ); + + if (type == wxBITMAP_TYPE_XPM) + { + m_refData = new wxBitmapRefData(); + + GdkBitmap *mask = (GdkBitmap*) NULL; + + M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() ); + + if (mask) + { + M_BMPDATA->m_mask = new wxMask(); + M_BMPDATA->m_mask->m_bitmap = mask; + } + + gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); + + M_BMPDATA->m_bpp = visual->depth; + } + else // try if wxImage can load it + { + wxImage image; + if (!image.LoadFile( name, type )) return FALSE; + if (image.Ok()) *this = image.ConvertToBitmap(); + else return FALSE; + } + + return TRUE; +} + +wxPalette *wxBitmap::GetPalette() const { - if (!Ok()) return; - if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; - M_BMPDATA->m_mask = mask; -}; + if (!Ok()) return (wxPalette *) NULL; -bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), const int WXUNUSED(type), - wxPalette *WXUNUSED(palette) ) + return M_BMPDATA->m_palette; +} + +void wxBitmap::SetHeight( int height ) { - return FALSE; -}; + if (!m_refData) m_refData = new wxBitmapRefData(); -bool wxBitmap::LoadFile( const wxString &name, const int WXUNUSED(type) ) + M_BMPDATA->m_height = height; +} + +void wxBitmap::SetWidth( int width ) { -#ifdef USE_GDK_IMLIB + if (!m_refData) m_refData = new wxBitmapRefData(); - UnRef(); - m_refData = new wxBitmapRefData(); - M_BMPDATA->m_mask = NULL; + M_BMPDATA->m_width = width; +} - GdkBitmap *mask = NULL; - - int res = gdk_imlib_load_file_to_pixmap( WXSTRINGCAST name, &M_BMPDATA->m_pixmap, &mask ); +void wxBitmap::SetDepth( int depth ) +{ + if (!m_refData) m_refData = new wxBitmapRefData(); - if (res != 1) - { - UnRef(); - return FALSE; - }; - - if (mask) - { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; - } - - gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); - M_BMPDATA->m_bpp = 24; // ? - - return TRUE; -#endif + M_BMPDATA->m_bpp = depth; +} - return FALSE; -}; - -wxPalette *wxBitmap::GetPalette(void) const +void wxBitmap::SetPixmap( GdkPixmap *pixmap ) { - if (!Ok()) return NULL; - return M_BMPDATA->m_palette; -}; + if (!m_refData) m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_pixmap = pixmap; +} -GdkPixmap *wxBitmap::GetPixmap(void) const +void wxBitmap::SetBitmap( GdkPixmap *bitmap ) { - if (!Ok()) return NULL; - return M_BMPDATA->m_pixmap; -}; - -GdkBitmap *wxBitmap::GetBitmap(void) const + if (!m_refData) m_refData = new wxBitmapRefData(); + + M_BMPDATA->m_bitmap = bitmap; +} + +GdkPixmap *wxBitmap::GetPixmap() const { - if (!Ok()) return NULL; - return M_BMPDATA->m_bitmap; -}; - + wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); + + return M_BMPDATA->m_pixmap; +} + +GdkBitmap *wxBitmap::GetBitmap() const +{ + wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); + + return M_BMPDATA->m_bitmap; +}