101 lines
1.9 KiB
C++
101 lines
1.9 KiB
C++
/*
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* Copyright 2003-2010 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Axel Dörfler, axeld@pinc-software.de
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* Adrian Oanca, adioanca@cotty.iren.ro
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*/
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#ifndef SHAPE_PRIVATE_H
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#define SHAPE_PRIVATE_H
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#include <Point.h>
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#include <Rect.h>
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#include <Referenceable.h>
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#include <string.h>
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#include <stdio.h>
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#define OP_LINETO 0x10000000
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#define OP_BEZIERTO 0x20000000
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#define OP_CLOSE 0x40000000
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#define OP_MOVETO 0x80000000
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#define OP_LARGE_ARC_TO_CW 0x01000000
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#define OP_LARGE_ARC_TO_CCW 0x02000000
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#define OP_SMALL_ARC_TO_CW 0x04000000
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#define OP_SMALL_ARC_TO_CCW 0x08000000
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class shape_data : public BReferenceable {
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public:
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uint32* opList;
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BPoint* ptList;
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int32 opCount;
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int32 opSize;
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int32 ptCount;
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int32 ptSize;
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bool fOwnsMemory;
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shape_data()
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:
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fOwnsMemory(false)
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{
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}
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~shape_data()
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{
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if (fOwnsMemory) {
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delete[] opList;
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delete[] ptList;
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}
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}
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shape_data(const shape_data& other)
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{
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opList = new(std::nothrow) uint32[other.opCount];
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ptList = new(std::nothrow) BPoint[other.ptCount];
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fOwnsMemory = true;
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opCount = other.opCount;
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opSize = other.opSize;
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ptCount = other.ptCount;
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ptSize = other.ptSize;
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memcpy(opList, other.opList, opSize);
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memcpy(ptList, other.ptList, ptSize);
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}
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BRect DetermineBoundingBox() const
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{
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BRect bounds;
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if (ptCount == 0)
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return bounds;
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// TODO: This implementation doesn't take into account curves at all.
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bounds.left = ptList[0].x;
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bounds.top = ptList[0].y;
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bounds.right = ptList[0].x;
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bounds.bottom = ptList[0].y;
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for (int32 i = 1; i < ptCount; i++) {
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if (bounds.left > ptList[i].x)
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bounds.left = ptList[i].x;
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if (bounds.top > ptList[i].y)
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bounds.top = ptList[i].y;
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if (bounds.right < ptList[i].x)
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bounds.right = ptList[i].x;
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if (bounds.bottom < ptList[i].y)
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bounds.bottom = ptList[i].y;
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}
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return bounds;
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}
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};
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#endif // SHAPE_PRIVATE_H
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