Aegisub/p-designer/ass_drawing.h
Niels Martin Hansen 0fa1abf273 Drawing parser should be done. Untested.
Originally committed to SVN as r527.
2006-08-24 01:23:12 +00:00

77 lines
3.3 KiB
C++

// Copyright (c) 2006, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#pragma once
#ifndef _ASS_DRAWING_H
#define _ASS_DRAWING_H
#include <vector>
#include <pair>
#include <wx/string.h>
enum AssDrawingSegmentType {
SEGMENT_MOVE, // m <x> <y>
SEGMENT_MOVE_NOCLOSE, // n <x> <y>
SEGMENT_LINE, // l <x> <y>
SEGMENT_BEZIER, // b <x1> <y1> <x2> <y2> <x3> <y3>
SEGMENT_BSPLINE, // s <x1> <y2> <x2> <y2> <x3> <y3> [... <xN> <yN>]
SEGMENT_BSPLINE_EXTEND, // p <x> <y>
SEGMENT_BSPLINE_CLOSE, // c
// thought: maybe join the three last into one? (gabest doesn't)
};
struct AssDrawingPoint {
int x, y;
AssDrawingPoint(int _x, int _y) { x = _x; y = _y; }
};
struct AssDrawingSegment {
AssDrawingSegmentType type;
std::vector<AssDrawingPoint> points;
};
struct AssDrawing {
int scale;
std::vector<AssDrawingSegment> data;
wxString ToString(); // stupid conversion to string, doesn't try to shorten things out
int FromString(wxString src); // returns 0 on success, index+1 of offending character on fail
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")
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")
void Rescale(int new_scale); // change the scale value, stretching the drawing to match the new one
void Stretch(float factor); // up/down scale the drawing by a factor
AssDrawingPoint GetMinXY(); // get the lowest x and y coordinates present
AssDrawingPoint GetMaxXY(); // get the highest x and y coordinates present
AssDrawingPoint GetExtents(); // get the extents of the drawing as seen by VSFilter
AssDrawingPoint GetCenterXY(); // get the "center" of the drawing (as seen by VSFilter)
};
#endif