bboxdevicecontext.h

// Name:        bboxdevicecontext.h
// Author:      Laurent Pugin
// Created:     2011
// Copyright (c) Authors and others. All rights reserved.
 
#ifndef __VRV_BBOX_DC_H__
#define __VRV_BBOX_DC_H__
 
#include <vector>
 
//----------------------------------------------------------------------------
 
#include "devicecontext.h"
 
#define BBOX_BOTH 0
#define BBOX_HORIZONTAL_ONLY 1
#define BBOX_VERTICAL_ONLY 2
 
namespace vrv {
 
class Object;
 
//----------------------------------------------------------------------------
// BBoxDeviceContext
//----------------------------------------------------------------------------
 
class BBoxDeviceContext : public DeviceContext {
public:
    BBoxDeviceContext(View *view, int width, int height, unsigned char update = BBOX_BOTH);
    virtual ~BBoxDeviceContext();
 
    void SetBackground(int color, int style = PEN_SOLID) override;
    void SetBackgroundImage(void *image, double opacity = 1.0) override {};
    void SetBackgroundMode(int mode) override;
    void SetTextForeground(int color) override;
    void SetTextBackground(int color) override;
    void SetLogicalOrigin(int x, int y) override;
    void SetUserScale(double xScale, double yScale);
 
    Point GetLogicalOrigin() override;
 
    void DrawQuadBezierPath(Point bezier[3]) override;
    void DrawCubicBezierPath(Point bezier[4]) override;
    void DrawCubicBezierPathFilled(Point bezier1[4], Point bezier2[4]) override;
    void DrawBentParallelogramFilled(Point side[4], int height) override;
    void DrawCircle(int x, int y, int radius) override;
    void DrawEllipse(int x, int y, int width, int height) override;
    void DrawEllipticArc(int x, int y, int width, int height, double start, double end) override;
    void DrawLine(int x1, int y1, int x2, int y2) override;
    void DrawPolyline(int n, Point points[], bool close) override;
    void DrawPolygon(int n, Point points[]) override;
    void DrawRectangle(int x, int y, int width, int height) override;
    void DrawRotatedText(const std::string &text, int x, int y, double angle) override;
    void DrawRoundedRectangle(int x, int y, int width, int height, int radius) override;
    void DrawText(const std::string &text, const std::u32string &wtext = U"", int x = VRV_UNSET, int y = VRV_UNSET,
        int width = VRV_UNSET, int height = VRV_UNSET) override;
    void DrawMusicText(const std::u32string &text, int x, int y, bool setSmuflGlyph = false) override;
    void DrawSpline(int n, Point points[]) override;
    void DrawGraphicUri(int x, int y, int width, int height, const std::string &uri) override;
    void DrawSvgShape(int x, int y, int width, int height, double scale, pugi::xml_node svg) override;
    void DrawBackgroundImage(int x = 0, int y = 0) override {};
 
    void DrawPlaceholder(int x, int y) override;
 
    void StartText(int x, int y, data_HORIZONTALALIGNMENT alignment = HORIZONTALALIGNMENT_left) override;
    void EndText() override;
 
    void MoveTextTo(int x, int y, data_HORIZONTALALIGNMENT alignment) override;
    void MoveTextVerticallyTo(int y) override;
 
    void StartGraphic(Object *object, const std::string &gClass, const std::string &gId, GraphicID graphicID = PRIMARY,
        bool prepend = false) override;
    void EndGraphic(Object *object, View *view) override;
 
    void ResumeGraphic(Object *object, std::string gId) override;
    void EndResumedGraphic(Object *object, View *view) override;
 
    void RotateGraphic(Point const &orig, double angle) override;
 
    void StartPage() override;
    void EndPage() override;
 
    bool UpdateHorizontalValues() { return (m_update != BBOX_VERTICAL_ONLY); }
    bool UpdateVerticalValues() { return (m_update != BBOX_HORIZONTAL_ONLY); }
 
    void AddDescription(const std::string &text) override {};
 
private:
    void ResetGraphicRotation();
 
    std::pair<int, int> GetPenWidthOverlap() const;
 
public:
    //
private:
    int m_width, m_height;
    double m_userScaleX, m_userScaleY;
 
    unsigned char m_update;
 
    Point m_rotationOrigin;
    double m_rotationAngle;
 
    int m_textX, m_textY, m_textWidth, m_textHeight, m_textAscent, m_textDescent;
    bool m_drawingText;
    data_HORIZONTALALIGNMENT m_textAlignment;
 
    std::vector<Object *> m_objects;
 
    View *m_view;
 
    void UpdateBB(int x1, int y1, int x2, int y2, char32_t glyph = 0);
};
 
} // namespace vrv
 
#endif // __VRV_BBOX_DC_H__