77 lines
3.3 KiB
C++
77 lines
3.3 KiB
C++
// Copyright (c) 2006, Niels Martin Hansen
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#ifndef _ASS_DRAWING_H
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#define _ASS_DRAWING_H
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#include <vector>
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#include <pair>
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#include <wx/string.h>
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enum AssDrawingSegmentType {
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SEGMENT_MOVE, // m <x> <y>
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SEGMENT_MOVE_NOCLOSE, // n <x> <y>
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SEGMENT_LINE, // l <x> <y>
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SEGMENT_BEZIER, // b <x1> <y1> <x2> <y2> <x3> <y3>
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SEGMENT_BSPLINE, // s <x1> <y2> <x2> <y2> <x3> <y3> [... <xN> <yN>]
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SEGMENT_BSPLINE_EXTEND, // p <x> <y>
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SEGMENT_BSPLINE_CLOSE, // c
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// thought: maybe join the three last into one? (gabest doesn't)
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};
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struct AssDrawingPoint {
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int x, y;
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AssDrawingPoint(int _x, int _y) { x = _x; y = _y; }
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};
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struct AssDrawingSegment {
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AssDrawingSegmentType type;
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std::vector<AssDrawingPoint> points;
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};
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struct AssDrawing {
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int scale;
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std::vector<AssDrawingSegment> data;
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wxString ToString(); // stupid conversion to string, doesn't try to shorten things out
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int FromString(wxString src); // returns 0 on success, index+1 of offending character on fail
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void Collapse(); // try to join as many segments together as possible, without affecting the actual shape (eg. join "l 1 2 l 3 4" into "l 1 2 3 4")
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void Expand(); // split into as many segments as possible, without creating any meaningless ones, such as null-moves (ie. expand "l 1 2 3 4" into "l 1 2 l 3 4")
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void Rescale(int new_scale); // change the scale value, stretching the drawing to match the new one
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void Stretch(float factor); // up/down scale the drawing by a factor
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AssDrawingPoint GetMinXY(); // get the lowest x and y coordinates present
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AssDrawingPoint GetMaxXY(); // get the highest x and y coordinates present
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AssDrawingPoint GetExtents(); // get the extents of the drawing as seen by VSFilter
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AssDrawingPoint GetCenterXY(); // get the "center" of the drawing (as seen by VSFilter)
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};
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#endif
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