xrb_sizeproperties.cpp

// ///////////////////////////////////////////////////////////////////////////
// xrb_sizeproperties.cpp by Victor Dods, created 2005/06/12
// ///////////////////////////////////////////////////////////////////////////
// Unless a different license was explicitly granted in writing by the
// copyright holder (Victor Dods), this software is freely distributable under
// the terms of the GNU General Public License, version 2.  Any works deriving
// from this work must also be released under the GNU GPL.  See the included
// file LICENSE for details.
// ///////////////////////////////////////////////////////////////////////////

#include "xrb_sizeproperties.hpp"

namespace Xrb
{

SizeProperties::SizeProperties ()
    :
    m_min_size_enabled(false, false),
    m_min_size(DefaultMinSizeComponent(), DefaultMinSizeComponent()),
    m_max_size_enabled(false, false),
    m_max_size(DefaultMaxSizeComponent(), DefaultMaxSizeComponent())
{
    m_data = NULL;
}

ScreenCoord SizeProperties::AdjustedSizeComponent (
    Uint32 const index,
    ScreenCoord component) const
{
    ASSERT1(index <= 1);
    if (m_max_size_enabled.m[index] && component > m_max_size.m[index])
        component = m_max_size.m[index];
    // check min size second, because it takes precedence over max
    if (m_min_size_enabled.m[index] && component < m_min_size.m[index])
        component = m_min_size.m[index];
    return component;
}

ScreenCoordVector2 SizeProperties::AdjustedSize (
    ScreenCoordVector2 const &size) const
{
    return ScreenCoordVector2(
        AdjustedSizeComponent(Dim::X, size[Dim::X]),
        AdjustedSizeComponent(Dim::Y, size[Dim::Y]));
}

void SizeProperties::AdjustSizeComponent (
    Uint32 const index,
    ScreenCoord *const component) const
{
    ASSERT1(index <= 1);
    ASSERT1(component != NULL);
    if (m_max_size_enabled[index] && *component > m_max_size[index])
        *component = m_max_size[index];
    // check min size second, because it takes precedence over max
    if (m_min_size_enabled[index] && *component < m_min_size[index])
        *component = m_min_size[index];
}

void SizeProperties::AdjustSize (ScreenCoordVector2 *const size) const
{
    ASSERT1(size != NULL);
    AdjustSizeComponent(Dim::X, &size->m[Dim::X]);
    AdjustSizeComponent(Dim::Y, &size->m[Dim::Y]);
}

} // end of namespace Xrb

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