122 lines
4.2 KiB
Plaintext
122 lines
4.2 KiB
Plaintext
// Filename: imageResize.I
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// Created by: drose (13Mar03)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE ImageResize::SizeRequest::
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SizeRequest() {
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_type = RT_none;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::get_type
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// Access: Public
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// Description: Returns the type of the size request, or RT_none if
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// the request has not been specified.
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////////////////////////////////////////////////////////////////////
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INLINE ImageResize::RequestType ImageResize::SizeRequest::
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get_type() const {
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return _type;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::set_pixel_size
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// Access: Public
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// Description: Sets the size request to store an explicit pixel
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// size.
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////////////////////////////////////////////////////////////////////
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INLINE void ImageResize::SizeRequest::
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set_pixel_size(int pixel_size) {
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_type = RT_pixel_size;
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_e._pixel_size = pixel_size;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::get_pixel_size
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// Access: Public
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// Description: Returns the explicit pixel size stored within the
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// size request.
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////////////////////////////////////////////////////////////////////
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INLINE int ImageResize::SizeRequest::
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get_pixel_size() const {
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nassertr(_type == RT_pixel_size, 0);
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return _e._pixel_size;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::get_pixel_size
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// Access: Public
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// Description: Returns the explicit pixel size stored within the
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// size request, or if a ratio has been stored, returns
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// the computed pixel size based on the original size.
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////////////////////////////////////////////////////////////////////
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INLINE int ImageResize::SizeRequest::
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get_pixel_size(int orig_pixel_size) const {
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switch (_type) {
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case RT_pixel_size:
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return _e._pixel_size;
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case RT_ratio:
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return (int)(_e._ratio * orig_pixel_size + 0.5);
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default:
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return orig_pixel_size;
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::set_ratio
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// Access: Public
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// Description: Sets the size request to store a specific ratio.
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////////////////////////////////////////////////////////////////////
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INLINE void ImageResize::SizeRequest::
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set_ratio(double ratio) {
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_type = RT_ratio;
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_e._ratio = ratio;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::get_ratio
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// Access: Public
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// Description: Returns the specific ratio stored within the
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// size request.
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////////////////////////////////////////////////////////////////////
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INLINE double ImageResize::SizeRequest::
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get_ratio() const {
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nassertr(_type == RT_ratio, 0);
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return _e._ratio;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ImageResize::SizeRequest::get_ratio
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// Access: Public
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// Description: Returns the specific ratio stored within the
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// size request, or if a pixel size has been stored,
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// returns the computed ratio based on the original
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// size.
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////////////////////////////////////////////////////////////////////
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INLINE double ImageResize::SizeRequest::
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get_ratio(int orig_pixel_size) const {
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switch (_type) {
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case RT_ratio:
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return _e._ratio;
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case RT_pixel_size:
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return (double)_e._pixel_size / (double)orig_pixel_size;
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default:
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return 1.0;
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}
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}
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