0ff2a74d0c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32086 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1649 lines
46 KiB
C++
1649 lines
46 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: bitmap.cpp
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// Purpose:
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// Author: Robert Roebling
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "bitmap.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#include "wx/defs.h"
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#include "wx/bitmap.h"
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#include "wx/palette.h"
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#include "wx/icon.h"
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#include "wx/filefn.h"
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#include "wx/image.h"
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#include "wx/dcmemory.h"
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#include "wx/app.h"
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#include "wx/rawbmp.h"
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#ifdef __WXGTK20__
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// need this to get gdk_image_new_bitmap()
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#define GDK_ENABLE_BROKEN
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#endif
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#include <gdk/gdk.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkx.h>
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#ifdef __WXGTK20__
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#include <gdk/gdkimage.h>
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#else // GTK+ 1.2
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#include <gdk/gdkrgb.h>
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#endif // GTK+ 2.0/1.2
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#include "wx/math.h"
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extern void gdk_wx_draw_bitmap (GdkDrawable *drawable,
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GdkGC *gc,
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GdkDrawable *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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//-----------------------------------------------------------------------------
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// data
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//-----------------------------------------------------------------------------
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extern GtkWidget *wxGetRootWindow();
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//-----------------------------------------------------------------------------
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// wxMask
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
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wxMask::wxMask()
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{
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m_bitmap = (GdkBitmap *) NULL;
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}
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wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
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{
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m_bitmap = (GdkBitmap *) NULL;
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Create( bitmap, colour );
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}
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wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
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{
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m_bitmap = (GdkBitmap *) NULL;
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Create( bitmap, paletteIndex );
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}
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wxMask::wxMask( const wxBitmap& bitmap )
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{
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m_bitmap = (GdkBitmap *) NULL;
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Create( bitmap );
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}
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wxMask::~wxMask()
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{
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if (m_bitmap)
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gdk_bitmap_unref( m_bitmap );
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}
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bool wxMask::Create( const wxBitmap& bitmap,
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const wxColour& colour )
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{
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if (m_bitmap)
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{
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gdk_bitmap_unref( m_bitmap );
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m_bitmap = (GdkBitmap*) NULL;
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}
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wxImage image = bitmap.ConvertToImage();
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if (!image.Ok()) return FALSE;
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m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
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GdkGC *gc = gdk_gc_new( m_bitmap );
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GdkColor color;
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color.red = 65000;
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color.green = 65000;
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color.blue = 65000;
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color.pixel = 1;
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gdk_gc_set_foreground( gc, &color );
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gdk_gc_set_fill( gc, GDK_SOLID );
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gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
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unsigned char *data = image.GetData();
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int index = 0;
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unsigned char red = colour.Red();
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unsigned char green = colour.Green();
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unsigned char blue = colour.Blue();
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GdkVisual *visual = wxTheApp->GetGdkVisual();
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int bpp = visual->depth;
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if ((bpp == 16) && (visual->red_mask != 0xf800))
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bpp = 15;
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if (bpp == 15)
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{
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red = red & 0xf8;
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green = green & 0xf8;
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blue = blue & 0xf8;
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}
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else if (bpp == 16)
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{
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red = red & 0xf8;
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green = green & 0xfc;
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blue = blue & 0xf8;
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}
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else if (bpp == 12)
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{
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red = red & 0xf0;
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green = green & 0xf0;
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blue = blue & 0xf0;
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}
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color.red = 0;
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color.green = 0;
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color.blue = 0;
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color.pixel = 0;
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gdk_gc_set_foreground( gc, &color );
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for (int j = 0; j < image.GetHeight(); j++)
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{
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int start_x = -1;
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int i;
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for (i = 0; i < image.GetWidth(); i++)
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{
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if ((data[index] == red) &&
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(data[index+1] == green) &&
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(data[index+2] == blue))
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{
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if (start_x == -1)
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start_x = i;
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}
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else
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{
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if (start_x != -1)
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{
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gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
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start_x = -1;
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}
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}
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index += 3;
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}
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if (start_x != -1)
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gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
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}
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gdk_gc_unref( gc );
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return TRUE;
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}
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bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
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{
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unsigned char r,g,b;
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wxPalette *pal = bitmap.GetPalette();
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wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
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pal->GetRGB(paletteIndex, &r, &g, &b);
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return Create(bitmap, wxColour(r, g, b));
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}
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bool wxMask::Create( const wxBitmap& bitmap )
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{
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if (m_bitmap)
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{
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gdk_bitmap_unref( m_bitmap );
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m_bitmap = (GdkBitmap*) NULL;
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}
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if (!bitmap.Ok()) return FALSE;
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wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
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m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
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if (!m_bitmap) return FALSE;
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GdkGC *gc = gdk_gc_new( m_bitmap );
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gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
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gdk_gc_unref( gc );
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return TRUE;
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}
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GdkBitmap *wxMask::GetBitmap() const
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{
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return m_bitmap;
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}
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//-----------------------------------------------------------------------------
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// wxBitmap
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//-----------------------------------------------------------------------------
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class wxBitmapRefData: public wxObjectRefData
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{
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public:
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wxBitmapRefData();
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~wxBitmapRefData();
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GdkPixmap *m_pixmap;
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GdkBitmap *m_bitmap;
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#ifdef __WXGTK20__
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GdkPixbuf *m_pixbuf;
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#endif
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wxMask *m_mask;
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int m_width;
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int m_height;
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int m_bpp;
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wxPalette *m_palette;
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};
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wxBitmapRefData::wxBitmapRefData()
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{
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m_pixmap = (GdkPixmap *) NULL;
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m_bitmap = (GdkBitmap *) NULL;
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#ifdef __WXGTK20__
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m_pixbuf = (GdkPixbuf *) NULL;
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#endif
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m_mask = (wxMask *) NULL;
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m_width = 0;
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m_height = 0;
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m_bpp = 0;
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m_palette = (wxPalette *) NULL;
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}
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wxBitmapRefData::~wxBitmapRefData()
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{
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if (m_pixmap)
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gdk_pixmap_unref( m_pixmap );
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if (m_bitmap)
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gdk_bitmap_unref( m_bitmap );
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#ifdef __WXGTK20__
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if (m_pixbuf)
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gdk_pixbuf_unref( m_pixbuf );
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#endif
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delete m_mask;
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delete m_palette;
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}
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//-----------------------------------------------------------------------------
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#define M_BMPDATA ((wxBitmapRefData *)m_refData)
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IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
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wxBitmap::wxBitmap()
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{
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}
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wxBitmap::wxBitmap( int width, int height, int depth )
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{
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Create( width, height, depth );
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}
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bool wxBitmap::Create( int width, int height, int depth )
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{
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UnRef();
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if ( width <= 0 || height <= 0 )
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{
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return false;
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}
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GdkVisual *visual = wxTheApp->GetGdkVisual();
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if (depth == -1)
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depth = visual->depth;
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wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), FALSE,
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wxT("invalid bitmap depth") )
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m_refData = new wxBitmapRefData();
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M_BMPDATA->m_mask = (wxMask *) NULL;
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M_BMPDATA->m_width = width;
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M_BMPDATA->m_height = height;
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if (depth == 1)
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{
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M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
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M_BMPDATA->m_bpp = 1;
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}
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#ifdef __WXGTK20__
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else if (depth == 32)
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{
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M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true,
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8, width, height);
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M_BMPDATA->m_bpp = 32;
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}
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#endif
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else
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{
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M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
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M_BMPDATA->m_bpp = visual->depth;
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}
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return Ok();
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}
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bool wxBitmap::CreateFromXpm( const char **bits )
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{
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UnRef();
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wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
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GdkVisual *visual = wxTheApp->GetGdkVisual();
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m_refData = new wxBitmapRefData();
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GdkBitmap *mask = (GdkBitmap*) NULL;
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M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
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wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
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if (mask)
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{
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M_BMPDATA->m_mask = new wxMask();
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M_BMPDATA->m_mask->m_bitmap = mask;
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}
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gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
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M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
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return TRUE;
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}
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wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
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{
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wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
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if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
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return *this;
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int width = wxMax(newx, 1);
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int height = wxMax(newy, 1);
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width = wxMin(width, clipwidth);
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height = wxMin(height, clipheight);
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wxBitmap bmp;
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#ifdef __WXGTK20__
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if (HasPixbuf())
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{
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bmp.SetWidth(width);
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bmp.SetHeight(height);
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bmp.SetDepth(GetDepth());
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bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB,
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gdk_pixbuf_get_has_alpha(GetPixbuf()),
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8, width, height));
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gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(),
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0, 0, width, height,
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clipx, clipy,
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(double)newx/GetWidth(), (double)newy/GetHeight(),
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GDK_INTERP_BILINEAR);
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}
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else
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#endif // __WXGTK20__
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{
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GdkImage *img = (GdkImage*) NULL;
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if (GetPixmap())
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img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
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else if (GetBitmap())
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img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
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else
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wxFAIL_MSG( wxT("Ill-formed bitmap") );
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wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
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int bpp = -1;
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GdkGC *gc = NULL;
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GdkPixmap *dstpix = NULL;
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if (GetPixmap())
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{
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GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
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if (visual == NULL)
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visual = wxTheApp->GetGdkVisual();
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bpp = visual->depth;
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bmp = wxBitmap(width,height,bpp);
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dstpix = bmp.GetPixmap();
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gc = gdk_gc_new( dstpix );
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}
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char *dst = NULL;
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long dstbyteperline = 0;
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if (GetBitmap())
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{
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bpp = 1;
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dstbyteperline = width/8*M_BMPDATA->m_bpp;
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if (width*M_BMPDATA->m_bpp % 8 != 0)
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dstbyteperline++;
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dst = (char*) malloc(dstbyteperline*height);
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}
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// be careful to use the right scaling factor
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float scx = (float)M_BMPDATA->m_width/(float)newx;
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float scy = (float)M_BMPDATA->m_height/(float)newy;
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// prepare accel-tables
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int *tablex = (int *)calloc(width,sizeof(int));
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int *tabley = (int *)calloc(height,sizeof(int));
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// accel table filled with clipped values
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for (int x = 0; x < width; x++)
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tablex[x] = (int) (scx * (x+clipx));
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for (int y = 0; y < height; y++)
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tabley[y] = (int) (scy * (y+clipy));
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// Main rescaling routine starts here
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for (int h = 0; h < height; h++)
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{
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char outbyte = 0;
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int old_x = -1;
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guint32 old_pixval = 0;
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for (int w = 0; w < width; w++)
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{
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guint32 pixval;
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int x = tablex[w];
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if (x == old_x)
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pixval = old_pixval;
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else
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{
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pixval = gdk_image_get_pixel( img, x, tabley[h] );
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old_pixval = pixval;
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old_x = x;
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}
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if (bpp == 1)
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{
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if (!pixval)
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{
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char bit=1;
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char shift = bit << w % 8;
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outbyte |= shift;
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}
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if ((w+1)%8==0)
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{
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dst[h*dstbyteperline+w/8] = outbyte;
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outbyte = 0;
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}
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}
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else
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{
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GdkColor col;
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col.pixel = pixval;
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gdk_gc_set_foreground( gc, &col );
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gdk_draw_point( dstpix, gc, w, h);
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}
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}
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// do not forget the last byte
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if ((bpp == 1) && (width % 8 != 0))
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dst[h*dstbyteperline+width/8] = outbyte;
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}
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gdk_image_destroy( img );
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if (gc) gdk_gc_unref( gc );
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if (bpp == 1)
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{
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bmp = wxBitmap( (const char *)dst, width, height, 1 );
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free( dst );
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}
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if (GetMask())
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{
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dstbyteperline = width/8;
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if (width % 8 != 0)
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dstbyteperline++;
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dst = (char*) malloc(dstbyteperline*height);
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img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
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for (int h = 0; h < height; h++)
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{
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char outbyte = 0;
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int old_x = -1;
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guint32 old_pixval = 0;
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for (int w = 0; w < width; w++)
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{
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guint32 pixval;
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int x = tablex[w];
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if (x == old_x)
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pixval = old_pixval;
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else
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{
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pixval = gdk_image_get_pixel( img, x, tabley[h] );
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old_pixval = pixval;
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old_x = x;
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}
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if (pixval)
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{
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char bit=1;
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char shift = bit << w % 8;
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outbyte |= shift;
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}
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if ((w+1)%8 == 0)
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{
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dst[h*dstbyteperline+w/8] = outbyte;
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outbyte = 0;
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}
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}
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// do not forget the last byte
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if (width % 8 != 0)
|
|
dst[h*dstbyteperline+width/8] = outbyte;
|
|
}
|
|
wxMask* mask = new wxMask;
|
|
mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
|
|
bmp.SetMask(mask);
|
|
|
|
free( dst );
|
|
gdk_image_destroy( img );
|
|
}
|
|
|
|
free( tablex );
|
|
free( tabley );
|
|
}
|
|
|
|
return bmp;
|
|
}
|
|
|
|
bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
|
|
{
|
|
UnRef();
|
|
|
|
wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
|
|
wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
|
|
|
|
if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
|
|
return false;
|
|
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
if (depth == 1)
|
|
{
|
|
return CreateFromImageAsBitmap(image);
|
|
}
|
|
else
|
|
{
|
|
#ifdef __WXGTK20__
|
|
if (image.HasAlpha())
|
|
return CreateFromImageAsPixbuf(image);
|
|
#endif
|
|
return CreateFromImageAsPixmap(image);
|
|
}
|
|
}
|
|
|
|
// conversion to mono bitmap:
|
|
bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
|
|
{
|
|
// convert alpha channel to mask, if it is present:
|
|
wxImage image(img);
|
|
image.ConvertAlphaToMask();
|
|
|
|
int width = image.GetWidth();
|
|
int height = image.GetHeight();
|
|
|
|
SetHeight( height );
|
|
SetWidth( width );
|
|
|
|
SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
|
|
|
|
SetDepth( 1 );
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
// Create picture image
|
|
|
|
unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
GdkImage *data_image =
|
|
gdk_image_new_bitmap( visual, data_data, width, height );
|
|
|
|
// Create mask image
|
|
|
|
GdkImage *mask_image = (GdkImage*) NULL;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
|
|
|
|
wxMask *mask = new wxMask();
|
|
mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
|
|
|
|
SetMask( mask );
|
|
}
|
|
|
|
int r_mask = image.GetMaskRed();
|
|
int g_mask = image.GetMaskGreen();
|
|
int b_mask = image.GetMaskBlue();
|
|
|
|
unsigned char* data = image.GetData();
|
|
|
|
int index = 0;
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
int r = data[index];
|
|
index++;
|
|
int g = data[index];
|
|
index++;
|
|
int b = data[index];
|
|
index++;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
|
|
gdk_image_put_pixel( mask_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( mask_image, x, y, 0 );
|
|
}
|
|
|
|
if ((r == 255) && (b == 255) && (g == 255))
|
|
gdk_image_put_pixel( data_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( data_image, x, y, 0 );
|
|
|
|
} // for
|
|
} // for
|
|
|
|
// Blit picture
|
|
|
|
GdkGC *data_gc = gdk_gc_new( GetBitmap() );
|
|
|
|
gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( data_image );
|
|
gdk_gc_unref( data_gc );
|
|
|
|
// Blit mask
|
|
|
|
if (image.HasMask())
|
|
{
|
|
GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
|
|
|
|
gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( mask_image );
|
|
gdk_gc_unref( mask_gc );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// conversion to colour bitmap:
|
|
bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
|
|
{
|
|
// convert alpha channel to mask, if it is present:
|
|
wxImage image(img);
|
|
image.ConvertAlphaToMask();
|
|
|
|
int width = image.GetWidth();
|
|
int height = image.GetHeight();
|
|
|
|
SetHeight( height );
|
|
SetWidth( width );
|
|
|
|
SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
int bpp = visual->depth;
|
|
|
|
SetDepth( bpp );
|
|
|
|
if ((bpp == 16) && (visual->red_mask != 0xf800))
|
|
bpp = 15;
|
|
else if (bpp < 8)
|
|
bpp = 8;
|
|
|
|
// We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
|
|
// visuals are not supported by GDK so we do these ourselves, too.
|
|
// 15-bit and 16-bit should actually work and 24-bit certainly does.
|
|
#ifdef __sgi
|
|
if (!image.HasMask() && (bpp > 16))
|
|
#else
|
|
if (!image.HasMask() && (bpp > 12))
|
|
#endif
|
|
{
|
|
static bool s_hasInitialized = FALSE;
|
|
|
|
if (!s_hasInitialized)
|
|
{
|
|
gdk_rgb_init();
|
|
s_hasInitialized = TRUE;
|
|
}
|
|
|
|
GdkGC *gc = gdk_gc_new( GetPixmap() );
|
|
|
|
gdk_draw_rgb_image( GetPixmap(),
|
|
gc,
|
|
0, 0,
|
|
width, height,
|
|
GDK_RGB_DITHER_NONE,
|
|
image.GetData(),
|
|
width*3 );
|
|
|
|
gdk_gc_unref( gc );
|
|
return TRUE;
|
|
}
|
|
|
|
// Create picture image
|
|
|
|
GdkImage *data_image =
|
|
gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
|
|
|
|
// Create mask image
|
|
|
|
GdkImage *mask_image = (GdkImage*) NULL;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
|
|
|
|
wxMask *mask = new wxMask();
|
|
mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
|
|
|
|
SetMask( mask );
|
|
}
|
|
|
|
// Render
|
|
|
|
enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
|
|
byte_order b_o = RGB;
|
|
|
|
if (bpp > 8)
|
|
{
|
|
if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
|
|
else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG;
|
|
else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
|
|
else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
|
|
else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
|
|
else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
|
|
}
|
|
|
|
int r_mask = image.GetMaskRed();
|
|
int g_mask = image.GetMaskGreen();
|
|
int b_mask = image.GetMaskBlue();
|
|
|
|
unsigned char* data = image.GetData();
|
|
|
|
int index = 0;
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
int r = data[index];
|
|
index++;
|
|
int g = data[index];
|
|
index++;
|
|
int b = data[index];
|
|
index++;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
|
|
gdk_image_put_pixel( mask_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( mask_image, x, y, 0 );
|
|
}
|
|
|
|
switch (bpp)
|
|
{
|
|
case 8:
|
|
{
|
|
int pixel = -1;
|
|
if (wxTheApp->m_colorCube)
|
|
{
|
|
pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
|
|
}
|
|
else
|
|
{
|
|
GdkColormap *cmap = gtk_widget_get_default_colormap();
|
|
GdkColor *colors = cmap->colors;
|
|
int max = 3 * (65536);
|
|
|
|
for (int i = 0; i < cmap->size; i++)
|
|
{
|
|
int rdiff = (r << 8) - colors[i].red;
|
|
int gdiff = (g << 8) - colors[i].green;
|
|
int bdiff = (b << 8) - colors[i].blue;
|
|
int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
|
|
if (sum < max) { pixel = i; max = sum; }
|
|
}
|
|
}
|
|
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
|
|
break;
|
|
}
|
|
case 12: // SGI only
|
|
{
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
|
|
case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
|
|
case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
|
|
case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
|
|
case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
|
|
case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 15:
|
|
{
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
|
|
case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
|
|
case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
|
|
case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
|
|
case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
|
|
case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 16:
|
|
{
|
|
// I actually don't know if for 16-bit displays, it is alway the green
|
|
// component or the second component which has 6 bits.
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
|
|
case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
|
|
case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
|
|
case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
|
|
case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
|
|
case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 32:
|
|
case 24:
|
|
{
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = (r << 16) | (g << 8) | b; break;
|
|
case RBG: pixel = (r << 16) | (b << 8) | g; break;
|
|
case BRG: pixel = (b << 16) | (r << 8) | g; break;
|
|
case BGR: pixel = (b << 16) | (g << 8) | r; break;
|
|
case GRB: pixel = (g << 16) | (r << 8) | b; break;
|
|
case GBR: pixel = (g << 16) | (b << 8) | r; break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
}
|
|
default: break;
|
|
}
|
|
} // for
|
|
} // for
|
|
|
|
// Blit picture
|
|
|
|
GdkGC *data_gc = gdk_gc_new( GetPixmap() );
|
|
|
|
gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( data_image );
|
|
gdk_gc_unref( data_gc );
|
|
|
|
// Blit mask
|
|
|
|
if (image.HasMask())
|
|
{
|
|
GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
|
|
|
|
gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( mask_image );
|
|
gdk_gc_unref( mask_gc );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifdef __WXGTK20__
|
|
bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
|
|
{
|
|
int width = image.GetWidth();
|
|
int height = image.GetHeight();
|
|
|
|
GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
|
|
image.HasAlpha(),
|
|
8 /* bits per sample */,
|
|
width, height);
|
|
if (!pixbuf)
|
|
return false;
|
|
|
|
wxASSERT( image.HasAlpha() ); // for now
|
|
wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 );
|
|
wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
|
|
wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
|
|
|
|
M_BMPDATA->m_pixbuf = pixbuf;
|
|
SetHeight(height);
|
|
SetWidth(width);
|
|
SetDepth(wxTheApp->GetGdkVisual()->depth);
|
|
|
|
// Copy the data:
|
|
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;
|
|
|
|
for (int y = 0; y < height; y++, out += rowinc)
|
|
{
|
|
for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
|
|
{
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = in[2];
|
|
out[3] = *alpha;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
#endif // __WXGTK20__
|
|
|
|
wxImage wxBitmap::ConvertToImage() const
|
|
{
|
|
wxImage image;
|
|
|
|
wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
|
|
|
|
image.Create(GetWidth(), GetHeight());
|
|
unsigned char *data = image.GetData();
|
|
|
|
if (!data)
|
|
{
|
|
wxFAIL_MSG( wxT("couldn't create image") );
|
|
return wxNullImage;
|
|
}
|
|
|
|
#ifdef __WXGTK20__
|
|
if (HasPixbuf())
|
|
{
|
|
GdkPixbuf *pixbuf = GetPixbuf();
|
|
wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) );
|
|
|
|
int w = GetWidth();
|
|
int h = GetHeight();
|
|
|
|
image.SetAlpha();
|
|
|
|
unsigned char *alpha = image.GetAlpha();
|
|
unsigned char *in = gdk_pixbuf_get_pixels(pixbuf);
|
|
unsigned char *out = data;
|
|
int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;
|
|
|
|
for (int y = 0; y < h; y++, in += rowinc)
|
|
{
|
|
for (int x = 0; x < w; x++, in += 4, out += 3, alpha++)
|
|
{
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = in[2];
|
|
*alpha = in[3];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
#endif // __WXGTK20__
|
|
{
|
|
// the colour used as transparent one in wxImage and the one it is
|
|
// replaced with when it really occurs in the bitmap
|
|
static const int MASK_RED = 1;
|
|
static const int MASK_GREEN = 2;
|
|
static const int MASK_BLUE = 3;
|
|
static const int MASK_BLUE_REPLACEMENT = 2;
|
|
|
|
GdkImage *gdk_image = (GdkImage*) NULL;
|
|
|
|
if (HasPixmap())
|
|
{
|
|
gdk_image = gdk_image_get( GetPixmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
}
|
|
else if (GetBitmap())
|
|
{
|
|
gdk_image = gdk_image_get( GetBitmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( wxT("Ill-formed bitmap") );
|
|
}
|
|
|
|
wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
|
|
|
|
GdkImage *gdk_image_mask = (GdkImage*) NULL;
|
|
if (GetMask())
|
|
{
|
|
gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
|
|
image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
|
|
}
|
|
|
|
int bpp = -1;
|
|
int red_shift_right = 0;
|
|
int green_shift_right = 0;
|
|
int blue_shift_right = 0;
|
|
int red_shift_left = 0;
|
|
int green_shift_left = 0;
|
|
int blue_shift_left = 0;
|
|
bool use_shift = FALSE;
|
|
|
|
if (GetPixmap())
|
|
{
|
|
GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
|
|
if (visual == NULL)
|
|
visual = wxTheApp->GetGdkVisual();
|
|
|
|
bpp = visual->depth;
|
|
if (bpp == 16)
|
|
bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
|
|
red_shift_right = visual->red_shift;
|
|
red_shift_left = 8-visual->red_prec;
|
|
green_shift_right = visual->green_shift;
|
|
green_shift_left = 8-visual->green_prec;
|
|
blue_shift_right = visual->blue_shift;
|
|
blue_shift_left = 8-visual->blue_prec;
|
|
|
|
use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
|
|
}
|
|
if (GetBitmap())
|
|
{
|
|
bpp = 1;
|
|
}
|
|
|
|
|
|
GdkColormap *cmap = gtk_widget_get_default_colormap();
|
|
|
|
long pos = 0;
|
|
for (int j = 0; j < GetHeight(); j++)
|
|
{
|
|
for (int i = 0; i < GetWidth(); i++)
|
|
{
|
|
wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
|
|
if (bpp == 1)
|
|
{
|
|
if (pixel == 0)
|
|
{
|
|
data[pos] = 0;
|
|
data[pos+1] = 0;
|
|
data[pos+2] = 0;
|
|
}
|
|
else
|
|
{
|
|
data[pos] = 255;
|
|
data[pos+1] = 255;
|
|
data[pos+2] = 255;
|
|
}
|
|
}
|
|
else if (use_shift)
|
|
{
|
|
data[pos] = (pixel >> red_shift_right) << red_shift_left;
|
|
data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
|
|
data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left;
|
|
}
|
|
else if (cmap->colors)
|
|
{
|
|
data[pos] = cmap->colors[pixel].red >> 8;
|
|
data[pos+1] = cmap->colors[pixel].green >> 8;
|
|
data[pos+2] = cmap->colors[pixel].blue >> 8;
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
|
|
}
|
|
|
|
if (gdk_image_mask)
|
|
{
|
|
int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
|
|
if (mask_pixel == 0)
|
|
{
|
|
data[pos] = MASK_RED;
|
|
data[pos+1] = MASK_GREEN;
|
|
data[pos+2] = MASK_BLUE;
|
|
}
|
|
else if ( data[pos] == MASK_RED &&
|
|
data[pos+1] == MASK_GREEN &&
|
|
data[pos+2] == MASK_BLUE )
|
|
{
|
|
data[pos+2] = MASK_BLUE_REPLACEMENT;
|
|
}
|
|
}
|
|
|
|
pos += 3;
|
|
}
|
|
}
|
|
|
|
gdk_image_destroy( gdk_image );
|
|
if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
wxBitmap::wxBitmap( const wxBitmap& bmp )
|
|
: wxBitmapBase()
|
|
{
|
|
Ref( bmp );
|
|
}
|
|
|
|
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 )
|
|
{
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_mask = (wxMask *) NULL;
|
|
M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
|
|
(
|
|
wxGetRootWindow()->window,
|
|
(gchar *) bits,
|
|
width,
|
|
height
|
|
);
|
|
M_BMPDATA->m_width = width;
|
|
M_BMPDATA->m_height = height;
|
|
M_BMPDATA->m_bpp = 1;
|
|
|
|
wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
|
|
}
|
|
}
|
|
|
|
wxBitmap::~wxBitmap()
|
|
{
|
|
}
|
|
|
|
wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
|
|
{
|
|
if ( m_refData != bmp.m_refData )
|
|
Ref( bmp );
|
|
|
|
return *this;
|
|
}
|
|
|
|
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) &&
|
|
(
|
|
#ifdef __WXGTK20__
|
|
M_BMPDATA->m_pixbuf ||
|
|
#endif
|
|
M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap
|
|
);
|
|
}
|
|
|
|
int wxBitmap::GetHeight() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_height;
|
|
}
|
|
|
|
int wxBitmap::GetWidth() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_width;
|
|
}
|
|
|
|
int wxBitmap::GetDepth() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_bpp;
|
|
}
|
|
|
|
wxMask *wxBitmap::GetMask() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_mask;
|
|
}
|
|
|
|
void wxBitmap::SetMask( wxMask *mask )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("invalid bitmap") );
|
|
|
|
if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
|
|
|
|
M_BMPDATA->m_mask = mask;
|
|
}
|
|
|
|
bool wxBitmap::CopyFromIcon(const wxIcon& icon)
|
|
{
|
|
*this = icon;
|
|
return TRUE;
|
|
}
|
|
|
|
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") );
|
|
|
|
#ifdef __WXGTK20__
|
|
if (HasPixbuf())
|
|
{
|
|
GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
|
|
gdk_pixbuf_get_has_alpha(GetPixbuf()),
|
|
8, GetWidth(), GetHeight());
|
|
ret.SetPixbuf(pixbuf);
|
|
gdk_pixbuf_copy_area(GetPixbuf(),
|
|
rect.x, rect.y, rect.width, rect.height,
|
|
pixbuf, 0, 0);
|
|
}
|
|
else
|
|
#endif // __WXGTK20__
|
|
{
|
|
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() );
|
|
GdkColor col;
|
|
col.pixel = 0xFFFFFF;
|
|
gdk_gc_set_foreground( gc, &col );
|
|
col.pixel = 0;
|
|
gdk_gc_set_background( gc, &col );
|
|
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( wxGetRootWindow()->window, rect.width, rect.height, 1 );
|
|
|
|
GdkGC *gc = gdk_gc_new( mask->m_bitmap );
|
|
GdkColor col;
|
|
col.pixel = 0xFFFFFF;
|
|
gdk_gc_set_foreground( gc, &col );
|
|
col.pixel = 0;
|
|
gdk_gc_set_background( gc, &col );
|
|
gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height );
|
|
gdk_gc_destroy( gc );
|
|
|
|
ret.SetMask( mask );
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
|
|
{
|
|
wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
|
|
|
|
// Try to save the bitmap via wxImage handlers:
|
|
{
|
|
wxImage image = ConvertToImage();
|
|
if (image.Ok()) return image.SaveFile( name, type );
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
|
|
{
|
|
UnRef();
|
|
|
|
if (!wxFileExists(name))
|
|
return FALSE;
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
if (type == wxBITMAP_TYPE_XPM)
|
|
{
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
GdkBitmap *mask = (GdkBitmap*) NULL;
|
|
|
|
M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
|
|
(
|
|
wxGetRootWindow()->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 ) || !image.Ok() )
|
|
return FALSE;
|
|
|
|
*this = wxBitmap(image);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
wxPalette *wxBitmap::GetPalette() const
|
|
{
|
|
if (!Ok())
|
|
return (wxPalette *) NULL;
|
|
|
|
return M_BMPDATA->m_palette;
|
|
}
|
|
|
|
void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void wxBitmap::SetHeight( int height )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_height = height;
|
|
}
|
|
|
|
void wxBitmap::SetWidth( int width )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_width = width;
|
|
}
|
|
|
|
void wxBitmap::SetDepth( int depth )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_bpp = depth;
|
|
}
|
|
|
|
void wxBitmap::SetPixmap( GdkPixmap *pixmap )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_pixmap = pixmap;
|
|
#ifdef __WXGTK20__
|
|
PurgeOtherRepresentations(Pixmap);
|
|
#endif
|
|
}
|
|
|
|
void wxBitmap::SetBitmap( GdkPixmap *bitmap )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_bitmap = bitmap;
|
|
#ifdef __WXGTK20__
|
|
PurgeOtherRepresentations(Pixmap);
|
|
#endif
|
|
}
|
|
|
|
GdkPixmap *wxBitmap::GetPixmap() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
|
|
|
|
#ifdef __WXGTK20__
|
|
// create the pixmap on the fly if we use Pixbuf representation:
|
|
if (HasPixbuf() && !HasPixmap())
|
|
{
|
|
delete M_BMPDATA->m_mask;
|
|
M_BMPDATA->m_mask = new wxMask();
|
|
gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
|
|
&M_BMPDATA->m_pixmap,
|
|
&M_BMPDATA->m_mask->m_bitmap,
|
|
128 /*threshold*/);
|
|
}
|
|
#endif // __WXGTK20__
|
|
|
|
return M_BMPDATA->m_pixmap;
|
|
}
|
|
|
|
bool wxBitmap::HasPixmap() const
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_pixmap != NULL;
|
|
}
|
|
|
|
GdkBitmap *wxBitmap::GetBitmap() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_bitmap;
|
|
}
|
|
|
|
#ifdef __WXGTK20__
|
|
GdkPixbuf *wxBitmap::GetPixbuf() const
|
|
{
|
|
wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
|
|
|
|
if (HasPixmap() && !HasPixbuf())
|
|
{
|
|
int width = GetWidth();
|
|
int height = GetHeight();
|
|
|
|
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);
|
|
|
|
// apply the mask to created pixbuf:
|
|
if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
|
|
{
|
|
GdkPixbuf *pmask =
|
|
gdk_pixbuf_get_from_drawable(NULL,
|
|
M_BMPDATA->m_mask->GetBitmap(),
|
|
NULL,
|
|
0, 0, 0, 0, width, height);
|
|
if (pmask)
|
|
{
|
|
guchar *bmp = gdk_pixbuf_get_pixels(pixbuf);
|
|
guchar *mask = gdk_pixbuf_get_pixels(pmask);
|
|
int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
|
|
int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width;
|
|
|
|
for (int y = 0; y < height;
|
|
y++, bmp += bmprowinc, mask += maskrowinc)
|
|
{
|
|
for (int x = 0; x < width; x++, bmp += 4, mask += 3)
|
|
{
|
|
if (mask[0] == 0 /*black pixel*/)
|
|
bmp[3] = 0;
|
|
}
|
|
}
|
|
|
|
gdk_pixbuf_unref(pmask);
|
|
}
|
|
}
|
|
}
|
|
|
|
return M_BMPDATA->m_pixbuf;
|
|
}
|
|
|
|
bool wxBitmap::HasPixbuf() const
|
|
{
|
|
wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_pixbuf != NULL;
|
|
}
|
|
|
|
void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_pixbuf = pixbuf;
|
|
PurgeOtherRepresentations(Pixbuf);
|
|
}
|
|
|
|
void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
|
|
{
|
|
if (keep == Pixmap && HasPixbuf())
|
|
{
|
|
gdk_pixbuf_unref( M_BMPDATA->m_pixbuf );
|
|
M_BMPDATA->m_pixbuf = NULL;
|
|
}
|
|
if (keep == Pixbuf && HasPixmap())
|
|
{
|
|
gdk_pixmap_unref( M_BMPDATA->m_pixmap );
|
|
M_BMPDATA->m_pixmap = NULL;
|
|
}
|
|
}
|
|
|
|
#endif // __WXGTK20__
|
|
|
|
void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
|
|
{
|
|
#ifdef __WXGTK20__
|
|
if (bpp != 32)
|
|
return NULL;
|
|
|
|
GdkPixbuf *pixbuf = GetPixbuf();
|
|
if (!pixbuf)
|
|
return NULL;
|
|
|
|
#if 0
|
|
if (gdk_pixbuf_get_has_alpha( pixbuf ))
|
|
wxPrintf( wxT("Has alpha\n") );
|
|
else
|
|
wxPrintf( wxT("No alpha.\n") );
|
|
#endif
|
|
|
|
data.m_height = gdk_pixbuf_get_height( pixbuf );
|
|
data.m_width = gdk_pixbuf_get_width( pixbuf );
|
|
data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
|
|
|
|
return gdk_pixbuf_get_pixels( pixbuf );
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
void wxBitmap::UngetRawData(wxPixelDataBase& data)
|
|
{
|
|
}
|
|
|
|
|
|
bool wxBitmap::HasAlpha() const
|
|
{
|
|
#ifdef __WXGTK20__
|
|
return HasPixbuf();
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
void wxBitmap::UseAlpha()
|
|
{
|
|
#ifdef __WXGTK20__
|
|
GetPixbuf();
|
|
#endif
|
|
}
|
|
|
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//-----------------------------------------------------------------------------
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// wxBitmapHandler
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase)
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wxBitmapHandler::~wxBitmapHandler()
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{
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}
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bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
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{
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return FALSE;
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}
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bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
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int desiredWidth, int desiredHeight)
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{
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return FALSE;
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}
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bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
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{
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return FALSE;
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}
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/* static */ void wxBitmap::InitStandardHandlers()
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{
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// TODO: Insert handler based on GdkPixbufs handler later
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}
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