Ejemplo n.º 1
0
void BufferStorePartlyRoundedRectVertices(GG::GL2DVertexBuffer& buffer, const GG::Pt& ul,
                                          const GG::Pt& lr, int radius, bool ur_round,
                                          bool ul_round, bool ll_round, bool lr_round)
{
    const double PI = 3.141594;

    buffer.store(lr.x, ul.y + radius);

    if (ur_round)
        BufferStoreCircleArcVertices(buffer, GG::Pt(lr.x - 2 * radius, ul.y),
                                     GG::Pt(lr.x, ul.y + 2 * radius), 0.0, PI / 2.0, false);
    else
        buffer.store(lr.x, ul.y);

    if (ul_round)
        BufferStoreCircleArcVertices(buffer, ul, GG::Pt(ul.x + 2 * radius, ul.y + 2 * radius),
                                     PI / 2.0, PI, false);
    else
        buffer.store(ul.x, ul.y);

    if (ll_round)
        BufferStoreCircleArcVertices(buffer, GG::Pt(ul.x, lr.y - 2 * radius),
                                     GG::Pt(ul.x + 2 * radius, lr.y),
                                     PI, 3.0 * PI / 2.0, false);
    else
        buffer.store(ul.x, lr.y);

    if (lr_round)
        BufferStoreCircleArcVertices(buffer, GG::Pt(lr.x - 2 * radius, lr.y - 2 * radius),
                                     lr, 3.0 * PI / 2.0, 0.0, false);
    else
        buffer.store(lr.x, lr.y);

    buffer.store(lr.x, ul.y + radius);
}
Ejemplo n.º 2
0
void CircleArc(const GG::Pt& ul, const GG::Pt& lr, double theta1, double theta2,
               bool filled_shape)
{
    //std::cout << "CircleArc ul: " << ul << "  lr: " << lr << "  theta1: " << theta1 << "  theta2: " << theta2 << "  filled: " << filled_shape << std::flush << std::endl;
    GG::GL2DVertexBuffer vert_buf;
    vert_buf.reserve(50);   // max number that BufferStoreCircleArcVertices might add

    BufferStoreCircleArcVertices(vert_buf, ul, lr, theta1, theta2, filled_shape, 0, true);

    //glDisable(GL_TEXTURE_2D);
    glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
    glEnableClientState(GL_VERTEX_ARRAY);
    glDisableClientState(GL_COLOR_ARRAY);
    glDisableClientState(GL_TEXTURE_COORD_ARRAY);

    vert_buf.activate();

    if (filled_shape)
        glDrawArrays(GL_TRIANGLE_FAN, 0, vert_buf.size());
    else
        glDrawArrays(GL_LINE_STRIP, 0, vert_buf.size());

    glPopClientAttrib();
    //glEnable(GL_TEXTURE_2D);
}
Ejemplo n.º 3
0
void CircleArc(const GG::Pt& ul, const GG::Pt& lr, double theta1, double theta2, bool filled_shape) {
    GG::GL2DVertexBuffer vert_buf;
    vert_buf.reserve(50);   // max number that BufferStoreCircleArcVertices might add

    BufferStoreCircleArcVertices(vert_buf, ul, lr, theta1, theta2, filled_shape, 0, true);

    //glDisable(GL_TEXTURE_2D);
    glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
    glEnableClientState(GL_VERTEX_ARRAY);

    vert_buf.activate();

    if (filled_shape)
        glDrawArrays(GL_TRIANGLE_FAN, 0, vert_buf.size());
    else
        glDrawArrays(GL_LINE_STRIP, 0, vert_buf.size());

    glPopClientAttrib();
    //glEnable(GL_TEXTURE_2D);
}