51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
#include "common/core_model/diagram.h"
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// direction_manager.h
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/**********editor方向管理***********/
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class DirectionManager {
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public:
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static bool isHorizontal(Direction dir) {
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return dir == Direction::Right || dir == Direction::Left;
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}
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static bool isVertical(Direction dir) {
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return dir == Direction::Down || dir == Direction::Up;
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}
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static Direction getOpposite(Direction dir) {
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switch (dir) {
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case Direction::Right: return Direction::Left;
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case Direction::Left: return Direction::Right;
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case Direction::Down: return Direction::Up;
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case Direction::Up: return Direction::Down;
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default: return dir;
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}
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}
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static bool isDirectionOccupied(int usedFlags, Direction dir) {
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return (usedFlags & static_cast<int>(dir)) != 0;
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}
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static int markDirectionOccupied(int usedFlags, Direction dir) {
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return usedFlags | static_cast<int>(dir);
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}
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static QPoint getIncrement(Direction dir, int hSpacing, int vSpacing) {
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if (dir == Direction::Right) return QPoint(hSpacing, 0);
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if (dir == Direction::Left) return QPoint(-hSpacing, 0);
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if (dir == Direction::Down) return QPoint(0, vSpacing);
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if (dir == Direction::Up) return QPoint(0, -vSpacing);
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return QPoint(0, 0);
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}
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static int getRotationAngle(Direction dir) {
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switch (dir) {
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case Direction::Right: return -90;
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case Direction::Left: return 90;
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case Direction::Down: return 0;
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case Direction::Up: return 180;
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default: return 0;
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}
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}
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};
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