89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
//
|
|
// Copyright (c) 1996-2006 by Autodesk, Inc.
|
|
//
|
|
// By using this code, you are agreeing to the terms and conditions of
|
|
// the License Agreement included in the documentation for this code.
|
|
//
|
|
// AUTODESK MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AS TO THE CORRECTNESS
|
|
// OF THIS CODE OR ANY DERIVATIVE WORKS WHICH INCORPORATE IT. AUTODESK
|
|
// PROVIDES THE CODE ON AN "AS-IS" BASIS AND EXPLICITLY DISCLAIMS ANY
|
|
// LIABILITY, INCLUDING CONSEQUENTIAL AND INCIDENTAL DAMAGES FOR ERRORS,
|
|
// OMISSIONS, AND OTHER PROBLEMS IN THE CODE.
|
|
//
|
|
// Use, duplication, or disclosure by the U.S. Government is subject to
|
|
// restrictions set forth in FAR 52.227-19 (Commercial Computer Software
|
|
// Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) (Rights in Technical
|
|
// Data and Computer Software), as applicable.
|
|
//
|
|
|
|
#if !defined TRANSFORM_HEADER
|
|
#define TRANSFORM_HEADER
|
|
|
|
///
|
|
///\file dwf/whiptk/transform.h
|
|
///
|
|
|
|
/// A simple transform providing translation, scaling, and simple 90, 180, 270 degree rotations.
|
|
/** \exception WT_Result::Toolkit_Usage_Error The rotation was not one of 0, 90, 180, 270.
|
|
*/
|
|
class WHIPTK_API WT_Transform
|
|
{
|
|
public:
|
|
WT_Logical_Point m_translate; /**< \brief Translation vector. */
|
|
double m_x_scale; /**< \brief X scale factor. */
|
|
double m_y_scale; /**< \brief Y scale factor. */
|
|
long m_rotation; /**< \brief Rotation (in degrees, one of 0, 90, 180, 270). */
|
|
|
|
/// Constructs a WT_Transform object.
|
|
WT_Transform()
|
|
: m_translate(0,0)
|
|
, m_x_scale(1.0)
|
|
, m_y_scale(1.0)
|
|
, m_rotation(0)
|
|
{ }
|
|
|
|
/// Constructs a WT_Transform object with the given data.
|
|
WT_Transform (
|
|
WT_Logical_Point trans, /**< Translation vector. */
|
|
double xval, /**< X scale factor. */
|
|
double yval, /**< Y scale factor. */
|
|
double rotation = 0.0 /**< Optional rotation (in degrees, one of 0, 90, 180, 270). */
|
|
)
|
|
: m_translate(trans)
|
|
, m_x_scale(xval)
|
|
, m_y_scale(yval)
|
|
{
|
|
set_rotation(rotation);
|
|
}
|
|
|
|
virtual ~WT_Transform()
|
|
{}
|
|
|
|
/// Sets the rotation value.
|
|
/** \exception WT_Result::Toolkit_Usage_Error The rotation was not one of 0, 90, 180, 270.
|
|
*/
|
|
void set_rotation(
|
|
double rotation /**< Rotation (in degrees, one of 0, 90, 180, 270). */
|
|
)
|
|
{
|
|
switch ((long)rotation)
|
|
{
|
|
case 0:
|
|
case 90:
|
|
case 180:
|
|
case 270:
|
|
m_rotation = (long)rotation;
|
|
break;
|
|
default:
|
|
m_rotation = (long)rotation;
|
|
//throw WT_Result::Toolkit_Usage_Error;
|
|
}
|
|
}
|
|
|
|
/// Returns the rotation value (in degrees, one of 0, 90, 180, 270).
|
|
long rotation() const
|
|
{ return m_rotation; }
|
|
};
|
|
|
|
#endif // TRANSFORM_HEADER
|