ICanvas.h

// Copyright @ MyScript. All rights reserved.
 
#pragma once
 
#include <iink/Engine.h>
#include <iink/graphics/Color.h>
#include <iink/graphics/ExtraBrushStyle.h>
#include <iink/graphics/FillRule.h>
#include <iink/graphics/InkPoint.h>
#include <iink/graphics/IPath.h>
#include <iink/graphics/LineCap.h>
#include <iink/graphics/LineJoin.h>
#include <iink/graphics/Transform.h>
 
#include <memory>
#include <vector>
 
namespace myscript {
namespace iink {
namespace graphics {
 
class ICanvas
{
public:
 
  virtual ~ICanvas() = default;
 
  virtual void startDraw(int x, int y, int width, int height) noexcept {}
 
  virtual void endDraw() noexcept {}
 
  virtual Transform getTransform() noexcept = 0;
 
  virtual void setTransform(const Transform& transform) noexcept = 0;
 
  virtual void setStrokeColor(Color color) noexcept = 0;
 
  virtual void setStrokeWidth(float width) noexcept = 0;
 
  virtual void setStrokeLineCap(LineCap lineCap) noexcept = 0;
 
  virtual void setStrokeLineJoin(LineJoin lineJoin) noexcept = 0;
 
  virtual void setStrokeMiterLimit(float limit) noexcept = 0;
  
  virtual void setStrokeDashArray(const float* array, size_t size) noexcept = 0;
  
  virtual void setStrokeDashOffset(float offset) noexcept = 0;
 
  virtual void setFillColor(Color color) noexcept = 0;
  
  virtual void setFillRule(FillRule rule) noexcept = 0;
 
  virtual void setDropShadow(float xOffset, float yOffset, float radius, Color color) noexcept {};
 
  virtual void setFontProperties(const String& family, float lineHeight, float size, const String& style, const String& variant, int weight) noexcept = 0;
 
  virtual void startGroup(const String& id, float x, float y, float width, float height, bool clipContent) noexcept = 0;
 
  virtual void endGroup(const String&  id) noexcept = 0;
 
  virtual void startItem(const String& id) noexcept = 0;
 
  virtual void endItem(const String& id) noexcept = 0;
 
  virtual std::shared_ptr<IPath> createPath() noexcept = 0;
 
  virtual void drawPath(std::shared_ptr<IPath> path) noexcept = 0;
 
  virtual bool isExtraBrushSupported(const String& brushName) noexcept
  {
    return false;
  }
 
  virtual void drawStrokeWithExtraBrush(const std::vector<InkPoints>& vInkPoints, unsigned int temporaryPoints, const ExtraBrushStyle& style, bool fullStroke, int64_t id) noexcept {}
 
  virtual void drawRectangle(float x, float y, float width, float height) noexcept = 0;
 
  virtual void drawLine(float x1, float y1, float x2, float y2) noexcept = 0;
 
  virtual void drawObject(const String& url, const String& mimeType, float x, float y, float width, float height) noexcept = 0;
 
  virtual void drawText(const String& label, float x, float y, float xmin, float ymin, float xmax, float ymax) noexcept = 0;
 
  virtual void blendOffscreen(uint32_t id,
                              float src_x, float src_y, float src_width, float src_height,
                              float dest_x, float dest_y, float dest_width, float dest_height,
                              Color color = 0xFFFFFFFF) noexcept {}
};
 
}
}
}