tex_window.cpp

来自「ncbi源码」· C++ 代码 · 共 137 行

/*
 * ===========================================================================
 * PRODUCTION $Log: tex_window.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 20:52:56  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: tex_window.cpp,v 1000.2 2004/06/01 20:52:56 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Mike DiCuccio
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include "tex_window.hpp"
#include <gui/opengl/glutils.hpp>


BEGIN_NCBI_SCOPE

CTexWindow::CTexWindow(int x, int y, int w, int h, const char* label)
    : CGlCanvas3d(x, y, w, h)
{
}


void CTexWindow::SetImage(CImage& image)
{
    m_Texture.Reset(new CTexImage(&image));
    redraw();
}

void CTexWindow::flush()
{
    m_Damage = damage();
    Fl_Gl_Window::flush();
}

void CTexWindow::draw()
{
    bool do_draw = false;
cout << "CTexWindow::draw m_Damage = " << (int) m_Damage << endl;
    if ( (m_Damage == FL_DAMAGE_ALL) || 
         (m_Damage == (FL_DAMAGE_ALL | FL_DAMAGE_EXPOSE)) ) {
        do_draw = true;
    }

    if (!do_draw) {
//       return;
    }
cout << "CTexWindow::drawing" << endl;

    x_DrawBackground(1.0f, 1.0f, 1.0f);

    _TRACE("drawing texture...");
    x_SetupView();
    glTranslatef(0.0f, 0.0f, -25.0f);

    glEnable(GL_TEXTURE_2D);
    glDisable(GL_LIGHTING);

    if (m_Texture) {
        m_Texture->MakeCurrent();
    }
    glColor3f(1.0f, 1.0f, 1.0f);

    glBegin(GL_QUADS);

        glTexCoord2f(0.0f, 0.0f);
        glVertex2f(-10.0f,  10.0f);

        glTexCoord2f(1.0f, 0.0f);
        glVertex2f( 10.0f,  10.0f);
        
        glTexCoord2f(1.0f, 1.0f);
        glVertex2f( 10.0f, -10.0f);

        glTexCoord2f(0.0f, 1.0f);
        glVertex2f(-10.0f, -10.0f);

    glEnd();
    CGlUtils::CheckGlError();
}


END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: tex_window.cpp,v $
 * Revision 1000.2  2004/06/01 20:52:56  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 *
 * Revision 1.4  2004/05/21 22:27:45  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.3  2003/11/26 17:57:31  friedman
 * Added detecting damage before drawing
 *
 * Revision 1.2  2003/09/29 15:44:41  dicuccio
 * Deprecated gui/scope.hpp.  Merged gui/core/types.hpp into gui/types.hpp
 *
 * Revision 1.1  2003/06/03 17:41:05  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */