X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e838cc14684f8dfd4ede39e4649e04a5bd79d149..f59ba38691a891db142ca65d976d2521bae70158:/src/gtk1/bitmap.cpp diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp index 572a176c3b..88a1477166 100644 --- a/src/gtk1/bitmap.cpp +++ b/src/gtk1/bitmap.cpp @@ -15,10 +15,18 @@ #include "wx/icon.h" #include "wx/filefn.h" #include "wx/image.h" +#include "wx/dcmemory.h" #include #include -#include + +// in GTK+ 1.3 gdk_root_parent was renamed into gdk_parent_root +#ifdef __WXGTK13__ + #define gdk_root_parent gdk_parent_root +#else // GTK+ <= 1.2 + // need to get the declaration of gdk_root_parent from private header + #include +#endif // GTK+ 1.3/1.2 //----------------------------------------------------------------------------- // wxMask @@ -51,7 +59,7 @@ wxMask::wxMask( const wxBitmap& bitmap ) wxMask::~wxMask() { - if (m_bitmap) + if (m_bitmap) gdk_bitmap_unref( m_bitmap ); } @@ -63,26 +71,31 @@ bool wxMask::Create( const wxBitmap& bitmap, gdk_bitmap_unref( m_bitmap ); m_bitmap = (GdkBitmap*) NULL; } - + wxImage image( bitmap ); if (!image.Ok()) return FALSE; - - GdkVisual *visual = gdk_visual_get_system(); - - GdkImage *mask_image = gdk_image_new( GDK_IMAGE_FASTEST, visual, image.GetWidth(), image.GetHeight() ); - if (!mask_image) return FALSE; GdkWindow *parent = (GdkWindow*) &gdk_root_parent; m_bitmap = gdk_pixmap_new( parent, 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_visual_get_system(); int bpp = visual->depth; if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; if (bpp == 15) @@ -97,31 +110,43 @@ bool wxMask::Create( const wxBitmap& bitmap, blue = blue & 0xfc; green = green & 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++) - for (int i = 0; i < image.GetWidth(); i++) + { + 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)) - { - gdk_image_put_pixel( mask_image, i, j, 1 ); - } - else - { - gdk_image_put_pixel( mask_image, i, j, 1 ); - } - index += 3; - } - - GdkGC *mask_gc = gdk_gc_new( m_bitmap ); - - gdk_draw_image( m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, image.GetWidth(), image.GetHeight() ); - - gdk_gc_unref( mask_gc ); - gdk_image_destroy( mask_image ); - - return FALSE; + 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; } bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap), @@ -175,16 +200,16 @@ GdkBitmap *wxMask::GetBitmap() const class wxBitmapRefData: public wxObjectRefData { public: - wxBitmapRefData(); - ~wxBitmapRefData(); - - GdkPixmap *m_pixmap; - GdkBitmap *m_bitmap; - wxMask *m_mask; - int m_width; - int m_height; - int m_bpp; - wxPalette *m_palette; + wxBitmapRefData(); + ~wxBitmapRefData(); + + GdkPixmap *m_pixmap; + GdkBitmap *m_bitmap; + wxMask *m_mask; + int m_width; + int m_height; + int m_bpp; + wxPalette *m_palette; }; wxBitmapRefData::wxBitmapRefData() @@ -366,6 +391,45 @@ void wxBitmap::SetMask( wxMask *mask ) 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_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; + GdkWindow *parent = (GdkWindow*) &gdk_root_parent; + mask->m_bitmap = gdk_pixmap_new( parent, rect.width, rect.height, 1 ); + + GdkGC *gc = gdk_gc_new( mask->m_bitmap ); + gdk_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) ) { wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );