added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
808
src/msw/bitmap.cpp
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808
src/msw/bitmap.cpp
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@@ -0,0 +1,808 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: bitmap.cpp
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// Purpose: wxBitmap
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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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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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <stdio.h>
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#include "wx/setup.h"
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#include "wx/list.h"
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#include "wx/utils.h"
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#include "wx/app.h"
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#include "wx/palette.h"
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#include "wx/bitmap.h"
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#include "wx/icon.h"
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#endif
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#include "wx/msw/private.h"
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#include "assert.h"
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#if USE_XPM_IN_MSW
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#define FOR_MSW 1
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#include "..\..\contrib\wxxpm\libxpm.34b\lib\xpm34.h"
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#endif
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#include "wx/msw/dib.h"
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#if !USE_SHARED_LIBRARIES
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IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
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IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
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#endif
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wxBitmapRefData::wxBitmapRefData(void)
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{
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m_ok = FALSE;
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m_width = 0;
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m_height = 0;
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m_depth = 0;
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m_quality = 0;
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m_hBitmap = 0 ;
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m_selectedInto = NULL;
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m_numColors = 0;
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m_bitmapMask = NULL;
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}
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wxBitmapRefData::~wxBitmapRefData(void)
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{
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if (m_selectedInto)
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{
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char buf[200];
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sprintf(buf, "Bitmap was deleted without selecting out of wxMemoryDC %X.", (unsigned int) m_selectedInto);
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wxFatalError(buf);
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}
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if (m_hBitmap)
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{
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DeleteObject((HBITMAP) m_hBitmap);
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}
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m_hBitmap = 0 ;
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if (m_bitmapMask)
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delete m_bitmapMask;
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m_bitmapMask = NULL;
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}
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wxList wxBitmap::sm_handlers;
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wxBitmap::wxBitmap(void)
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{
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m_refData = NULL; // new wxBitmapRefData;
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if ( wxTheBitmapList )
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wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::~wxBitmap(void)
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{
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if (wxTheBitmapList)
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wxTheBitmapList->DeleteObject(this);
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}
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bool wxBitmap::FreeResource(bool force)
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{
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if ( !M_BITMAPDATA )
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return FALSE;
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if (M_BITMAPDATA->m_selectedInto)
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{
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char buf[200];
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sprintf(buf, "Bitmap %X was deleted without selecting out of wxMemoryDC %X.", (unsigned int) this, (unsigned int) M_BITMAPDATA->m_selectedInto);
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wxFatalError(buf);
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}
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if (M_BITMAPDATA->m_hBitmap)
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{
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DeleteObject((HBITMAP) M_BITMAPDATA->m_hBitmap);
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}
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M_BITMAPDATA->m_hBitmap = 0 ;
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/*
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if (M_BITMAPDATA->m_bitmapPalette)
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delete M_BITMAPDATA->m_bitmapPalette;
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M_BITMAPDATA->m_bitmapPalette = NULL ;
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*/
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return TRUE;
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}
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wxBitmap::wxBitmap(const char bits[], const int the_width, const int the_height, const int no_bits)
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{
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_width = the_width ;
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M_BITMAPDATA->m_height = the_height ;
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M_BITMAPDATA->m_depth = no_bits ;
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M_BITMAPDATA->m_numColors = 0;
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M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(the_width, the_height, no_bits, 1, bits);
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if (M_BITMAPDATA->m_hBitmap)
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M_BITMAPDATA->m_ok = TRUE;
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else
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M_BITMAPDATA->m_ok = FALSE;
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M_BITMAPDATA->m_selectedInto = NULL;
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if ( wxTheBitmapList )
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wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap(const int w, const int h, const int d)
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{
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(void)Create(w, h, d);
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if ( wxTheBitmapList )
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wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap(void *data, const long type, const int width, const int height, const int depth)
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{
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(void) Create(data, type, width, height, depth);
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if ( wxTheBitmapList )
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wxTheBitmapList->AddBitmap(this);
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}
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wxBitmap::wxBitmap(const wxString& filename, const long type)
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{
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LoadFile(filename, (int)type);
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if ( wxTheBitmapList )
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wxTheBitmapList->AddBitmap(this);
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}
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#if USE_XPM_IN_MSW
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// Create from data
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wxBitmap::wxBitmap(const char **data, wxItem *WXUNUSED(anItem))
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{
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(void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
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}
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#endif
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bool wxBitmap::Create(const int w, const int h, const int d)
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{
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UnRef();
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_width = w;
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M_BITMAPDATA->m_height = h;
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M_BITMAPDATA->m_depth = d;
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if (d > 0)
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{
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M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(w, h, d, 1, NULL);
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}
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else
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{
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HDC dc = GetDC(NULL);
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M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateCompatibleBitmap(dc, w, h);
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ReleaseDC(NULL, dc);
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M_BITMAPDATA->m_depth = wxDisplayDepth();
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}
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if (M_BITMAPDATA->m_hBitmap)
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M_BITMAPDATA->m_ok = TRUE;
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else
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M_BITMAPDATA->m_ok = FALSE;
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return M_BITMAPDATA->m_ok;
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}
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bool wxBitmap::LoadFile(const wxString& filename, const long type)
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{
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UnRef();
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m_refData = new wxBitmapRefData;
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wxBitmapHandler *handler = FindHandler(type);
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if ( handler )
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return handler->LoadFile(this, filename, type, -1, -1);
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else
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return FALSE;
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}
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bool wxBitmap::Create(void *data, const long type, const int width, const int height, const int depth)
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{
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UnRef();
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m_refData = new wxBitmapRefData;
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wxBitmapHandler *handler = FindHandler(type);
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if ( handler )
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return handler->Create(this, data, type, width, height, depth);
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else
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return FALSE;
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}
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bool wxBitmap::SaveFile(const wxString& filename, const int type, const wxPalette *palette)
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{
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wxBitmapHandler *handler = FindHandler(type);
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if ( handler )
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return handler->SaveFile(this, filename, type, palette);
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else
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return FALSE;
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}
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void wxBitmap::SetWidth(int w)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_width = w;
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}
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void wxBitmap::SetHeight(int h)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_height = h;
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}
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void wxBitmap::SetDepth(int d)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_depth = d;
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}
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void wxBitmap::SetQuality(int q)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_quality = q;
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}
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void wxBitmap::SetOk(bool isOk)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_ok = isOk;
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}
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void wxBitmap::SetPalette(const wxPalette& palette)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_bitmapPalette = palette ;
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}
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void wxBitmap::SetMask(wxMask *mask)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_bitmapMask = mask ;
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}
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void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
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{
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if (!M_BITMAPDATA)
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m_refData = new wxBitmapRefData;
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M_BITMAPDATA->m_hBitmap = bmp;
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}
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void wxBitmap::AddHandler(wxBitmapHandler *handler)
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{
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sm_handlers.Append(handler);
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}
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void wxBitmap::InsertHandler(wxBitmapHandler *handler)
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{
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sm_handlers.Insert(handler);
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}
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bool wxBitmap::RemoveHandler(const wxString& name)
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{
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wxBitmapHandler *handler = FindHandler(name);
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if ( handler )
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{
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sm_handlers.DeleteObject(handler);
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return TRUE;
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}
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else
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return FALSE;
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}
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wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
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{
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wxNode *node = sm_handlers.First();
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while ( node )
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{
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wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
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if ( handler->GetName() == name )
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return handler;
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node = node->Next();
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}
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return NULL;
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}
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wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType)
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{
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wxNode *node = sm_handlers.First();
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while ( node )
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{
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wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
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if ( handler->GetExtension() == extension &&
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(bitmapType == -1 || handler->GetType() == bitmapType) )
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return handler;
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node = node->Next();
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}
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return NULL;
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}
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wxBitmapHandler *wxBitmap::FindHandler(long bitmapType)
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{
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wxNode *node = sm_handlers.First();
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while ( node )
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{
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wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
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if (handler->GetType() == bitmapType)
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return handler;
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node = node->Next();
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}
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return NULL;
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}
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/*
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* wxMask
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*/
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wxMask::wxMask(void)
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{
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m_maskBitmap = 0;
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}
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// Construct a mask from a bitmap and a colour indicating
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// the transparent area
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wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
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{
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m_maskBitmap = 0;
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Create(bitmap, colour);
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}
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// Construct a mask from a bitmap and a palette index indicating
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// the transparent area
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wxMask::wxMask(const wxBitmap& bitmap, const int paletteIndex)
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{
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m_maskBitmap = 0;
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Create(bitmap, paletteIndex);
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}
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// Construct a mask from a mono bitmap (copies the bitmap).
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wxMask::wxMask(const wxBitmap& bitmap)
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{
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m_maskBitmap = 0;
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Create(bitmap);
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}
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wxMask::~wxMask(void)
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{
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if ( m_maskBitmap )
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::DeleteObject((HBITMAP) m_maskBitmap);
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}
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// Create a mask from a mono bitmap (copies the bitmap).
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bool wxMask::Create(const wxBitmap& bitmap)
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{
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if ( m_maskBitmap )
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{
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::DeleteObject((HBITMAP) m_maskBitmap);
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m_maskBitmap = 0;
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}
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if (!bitmap.Ok() || bitmap.GetDepth() != 1)
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{
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return FALSE;
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}
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m_maskBitmap = (WXHBITMAP) CreateBitmap(
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bitmap.GetWidth(),
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bitmap.GetHeight(),
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1, 1, 0
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);
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HDC srcDC = CreateCompatibleDC(0);
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SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP());
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HDC destDC = CreateCompatibleDC(0);
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SelectObject(destDC, (HBITMAP) m_maskBitmap);
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BitBlt(destDC, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), srcDC, 0, 0, SRCCOPY);
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SelectObject(srcDC, 0);
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DeleteDC(srcDC);
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SelectObject(destDC, 0);
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DeleteDC(destDC);
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return TRUE;
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}
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// Create a mask from a bitmap and a palette index indicating
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// the transparent area
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bool wxMask::Create(const wxBitmap& bitmap, const int paletteIndex)
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{
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if ( m_maskBitmap )
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{
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::DeleteObject((HBITMAP) m_maskBitmap);
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m_maskBitmap = 0;
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}
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if (bitmap.Ok() && bitmap.GetPalette()->Ok())
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{
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unsigned char red, green, blue;
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if (bitmap.GetPalette()->GetRGB(paletteIndex, &red, &green, &blue))
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{
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wxColour transparentColour(red, green, blue);
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return Create(bitmap, transparentColour);
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}
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}
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return FALSE;
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}
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// Create a mask from a bitmap and a colour indicating
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// the transparent area
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bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
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{
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if ( m_maskBitmap )
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{
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::DeleteObject((HBITMAP) m_maskBitmap);
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m_maskBitmap = 0;
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}
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if (!bitmap.Ok())
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{
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return FALSE;
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}
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// scan the bitmap for the transparent colour and set
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// the corresponding pixels in the mask to BLACK and
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// the rest to WHITE
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COLORREF maskColour = RGB(colour.Red(), colour.Green(), colour.Blue());
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m_maskBitmap = (WXHBITMAP) ::CreateBitmap(
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bitmap.GetWidth(),
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bitmap.GetHeight(),
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1, 1, 0
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);
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HDC srcDC = ::CreateCompatibleDC(0);
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::SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP());
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HDC destDC = ::CreateCompatibleDC(0);
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::SelectObject(destDC, (HBITMAP) m_maskBitmap);
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// this is not very efficient, but I can't think
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// of a better way of doing it
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for (int w = 0; w < bitmap.GetWidth(); w++)
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{
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for (int h = 0; h < bitmap.GetHeight(); h++)
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||||
{
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||||
COLORREF col = GetPixel(srcDC, w, h);
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if (col == maskColour)
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{
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::SetPixel(destDC, w, h, RGB(0, 0, 0));
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}
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else
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{
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::SetPixel(destDC, w, h, RGB(255, 255, 255));
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||||
}
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||||
}
|
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}
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::SelectObject(srcDC, 0);
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::DeleteDC(srcDC);
|
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::SelectObject(destDC, 0);
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::DeleteDC(destDC);
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return TRUE;
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||||
}
|
||||
|
||||
/*
|
||||
* wxBitmapHandler
|
||||
*/
|
||||
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||||
IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
|
||||
|
||||
bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, const long type, const int width, const int height, const int depth)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long type,
|
||||
int desiredWidth, int desiredHeight)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, const int type, const wxPalette *palette)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Standard handlers
|
||||
*/
|
||||
|
||||
class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
|
||||
public:
|
||||
inline wxBMPResourceHandler(void)
|
||||
{
|
||||
m_name = "Windows bitmap resource";
|
||||
m_extension = "";
|
||||
m_type = wxBITMAP_TYPE_BMP_RESOURCE;
|
||||
};
|
||||
|
||||
virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth, int desiredHeight);
|
||||
};
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
|
||||
|
||||
bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth, int desiredHeight)
|
||||
{
|
||||
// TODO: load colourmap.
|
||||
M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ::LoadBitmap(wxGetInstance(), name);
|
||||
if (M_BITMAPHANDLERDATA->m_hBitmap)
|
||||
{
|
||||
M_BITMAPHANDLERDATA->m_ok = TRUE;
|
||||
BITMAP bm;
|
||||
GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(BITMAP), (LPSTR) &bm);
|
||||
M_BITMAPHANDLERDATA->m_width = bm.bmWidth;
|
||||
M_BITMAPHANDLERDATA->m_height = bm.bmHeight;
|
||||
M_BITMAPHANDLERDATA->m_depth = bm.bmPlanes;
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
class WXDLLEXPORT wxBMPFileHandler: public wxBitmapHandler
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
|
||||
public:
|
||||
inline wxBMPFileHandler(void)
|
||||
{
|
||||
m_name = "Windows bitmap file";
|
||||
m_extension = "bmp";
|
||||
m_type = wxBITMAP_TYPE_BMP;
|
||||
};
|
||||
|
||||
virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth, int desiredHeight);
|
||||
virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, const int type, const wxPalette *palette = NULL);
|
||||
};
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
|
||||
|
||||
bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth, int desiredHeight)
|
||||
{
|
||||
#if USE_IMAGE_LOADING_IN_MSW
|
||||
wxPalette *palette = NULL;
|
||||
bool success = FALSE;
|
||||
/*
|
||||
if (type & wxBITMAP_DISCARD_COLOURMAP)
|
||||
success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap);
|
||||
else
|
||||
*/
|
||||
success = (wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0);
|
||||
if (!success && palette)
|
||||
{
|
||||
delete palette;
|
||||
palette = NULL;
|
||||
}
|
||||
if (palette)
|
||||
M_BITMAPHANDLERDATA->m_bitmapPalette = *palette;
|
||||
return success;
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, const int type, const wxPalette *pal)
|
||||
{
|
||||
#if USE_IMAGE_LOADING_IN_MSW
|
||||
wxPalette *actualPalette = (wxPalette *)pal;
|
||||
if (!actualPalette && (!M_BITMAPHANDLERDATA->m_bitmapPalette.IsNull()))
|
||||
actualPalette = & (M_BITMAPHANDLERDATA->m_bitmapPalette);
|
||||
return (wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0);
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
|
||||
public:
|
||||
inline wxXPMFileHandler(void)
|
||||
{
|
||||
m_name = "XPM bitmap file";
|
||||
m_extension = "xpm";
|
||||
m_type = wxBITMAP_TYPE_XPM;
|
||||
};
|
||||
|
||||
virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth = -1, int desiredHeight = -1);
|
||||
virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, const int type, const wxPalette *palette = NULL);
|
||||
};
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
|
||||
|
||||
bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
|
||||
int desiredWidth, int desiredHeight)
|
||||
{
|
||||
#if USE_XPM_IN_MSW
|
||||
XImage *ximage;
|
||||
XpmAttributes xpmAttr;
|
||||
HDC dc;
|
||||
|
||||
M_BITMAPHANDLERDATA->m_ok = FALSE;
|
||||
dc = CreateCompatibleDC(NULL);
|
||||
if (dc)
|
||||
{
|
||||
xpmAttr.valuemask = XpmReturnPixels;
|
||||
int errorStatus = XpmReadFileToImage(&dc, WXSTRINGCAST name, &ximage, (XImage **) NULL, &xpmAttr);
|
||||
DeleteDC(dc);
|
||||
if (errorStatus == XpmSuccess)
|
||||
{
|
||||
M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ximage->bitmap;
|
||||
|
||||
BITMAP bm;
|
||||
GetObject((HBITMAP) m_hBitmap, sizeof(bm), (LPSTR) & bm);
|
||||
|
||||
M_BITMAPHANDLERDATA->m_width = (bm.bmWidth);
|
||||
M_BITMAPHANDLERDATA->m_height = (bm.bmHeight);
|
||||
M_BITMAPHANDLERDATA->m_depth = (bm.bmPlanes * bm.bmBitsPixel);
|
||||
M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
|
||||
XpmFreeAttributes(&xpmAttr);
|
||||
XImageFree(ximage);
|
||||
|
||||
M_BITMAPHANDLERDATA->m_ok = TRUE;
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
M_BITMAPHANDLERDATA->m_ok = FALSE;
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool wxXPMFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, const int type, const wxPalette *palette)
|
||||
{
|
||||
#if USE_XPM_IN_MSW
|
||||
HDC dc = NULL;
|
||||
|
||||
Visual *visual = NULL;
|
||||
XImage ximage;
|
||||
|
||||
dc = CreateCompatibleDC(NULL);
|
||||
if (dc)
|
||||
{
|
||||
if (SelectObject(dc, (HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap))
|
||||
{ /* for following SetPixel */
|
||||
/* fill the XImage struct 'by hand' */
|
||||
ximage.width = M_BITMAPHANDLERDATA->m_width; ximage.height = M_BITMAPHANDLERDATA->m_height;
|
||||
ximage.depth = M_BITMAPHANDLERDATA->m_depth; ximage.bitmap = M_BITMAPHANDLERDATA->m_hBitmap;
|
||||
int errorStatus = XpmWriteFileFromImage(&dc, WXSTRINGCAST name,
|
||||
&ximage, (XImage *) NULL, (XpmAttributes *) NULL);
|
||||
|
||||
if (dc)
|
||||
DeleteDC(dc);
|
||||
|
||||
if (errorStatus == XpmSuccess)
|
||||
return TRUE; /* no error */
|
||||
else
|
||||
return FALSE;
|
||||
} else return FALSE;
|
||||
} else return FALSE;
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
|
||||
public:
|
||||
inline wxXPMDataHandler(void)
|
||||
{
|
||||
m_name = "XPM bitmap data";
|
||||
m_extension = "xpm";
|
||||
m_type = wxBITMAP_TYPE_XPM_DATA;
|
||||
};
|
||||
|
||||
virtual bool Create(wxBitmap *bitmap, void *data, const long flags, const int width, const int height, const int depth = 1);
|
||||
};
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
|
||||
|
||||
bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *data, const long flags, const int width, const int height, const int depth)
|
||||
{
|
||||
#if USE_XPM_IN_MSW
|
||||
XImage *ximage;
|
||||
int ErrorStatus;
|
||||
XpmAttributes xpmAttr;
|
||||
HDC dc;
|
||||
|
||||
M_BITMAPHANDLERDATA->m_ok = FALSE;
|
||||
M_BITMAPHANDLERDATA->m_numColors = 0;
|
||||
|
||||
dc = CreateCompatibleDC(NULL); /* memory DC */
|
||||
|
||||
if (dc)
|
||||
{
|
||||
xpmAttr.valuemask = XpmReturnInfos; /* get infos back */
|
||||
ErrorStatus = XpmCreateImageFromData(&dc, (char **)data,
|
||||
&ximage, (XImage **) NULL, &xpmAttr);
|
||||
|
||||
if (ErrorStatus == XpmSuccess)
|
||||
{
|
||||
/* ximage is malloced and contains bitmap and attributes */
|
||||
M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ximage->bitmap;
|
||||
|
||||
BITMAP bm;
|
||||
GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(bm), (LPSTR) & bm);
|
||||
|
||||
M_BITMAPHANDLERDATA->m_width = (bm.bmWidth);
|
||||
M_BITMAPHANDLERDATA->m_height = (bm.bmHeight);
|
||||
M_BITMAPHANDLERDATA->m_depth = (bm.bmPlanes * bm.bmBitsPixel);
|
||||
M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
|
||||
XpmFreeAttributes(&xpmAttr);
|
||||
|
||||
XImageFree(ximage); // releases the malloc, but does not detroy
|
||||
// the bitmap
|
||||
M_BITMAPHANDLERDATA->m_ok = TRUE;
|
||||
DeleteDC(dc);
|
||||
|
||||
} else
|
||||
{
|
||||
M_BITMAPHANDLERDATA->m_ok = FALSE;
|
||||
// XpmDebugError(ErrorStatus, NULL);
|
||||
DeleteDC(dc);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
#else
|
||||
return FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
void wxBitmap::CleanUpHandlers(void)
|
||||
{
|
||||
wxNode *node = sm_handlers.First();
|
||||
while ( node )
|
||||
{
|
||||
wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
|
||||
wxNode *next = node->Next();
|
||||
delete handler;
|
||||
delete node;
|
||||
node = next;
|
||||
}
|
||||
}
|
||||
|
||||
void wxBitmap::InitStandardHandlers(void)
|
||||
{
|
||||
AddHandler(new wxBMPResourceHandler);
|
||||
AddHandler(new wxBMPFileHandler);
|
||||
AddHandler(new wxXPMFileHandler);
|
||||
AddHandler(new wxXPMDataHandler);
|
||||
AddHandler(new wxICOResourceHandler);
|
||||
AddHandler(new wxICOFileHandler);
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user