ckCanvas.h

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/*
 *
 * Clapkit
 * ----------------------------------------------------------------------
 * A wrapper for creating a 'generalized' app for Classic MacOS
 * that (hopefully) can be ported easily to other platforms.
 *
 * CKCanvas
 * ----------------------------------------------------------------------
 * Defines a drawable area.
 *
 */
 
#pragma once
 
#include "ckApp.h"
#include "ckControl.h"
 
class CKCanvas : public CKControl {
 
    public:
        CKCanvas(const CKControlInitParams& params);
        virtual ~CKCanvas();
        virtual void Redraw();
        const GWorldPtr GetOSPointer();
 
        void Clear();
        void FillRect(CKRect rect, CKColor c);
        void Fill(CKColor c);
        void SetPixel(CKPoint p, CKColor c);
        void DrawLine(CKPoint start, CKPoint end, CKColor c);
        bool DrawResourceIcon(short resourceId, CKPoint where);
 
    private:
        GWorldPtr __gworldptr = NULL;
        bool __hasQueuedIcon = false;
        short __queuedIconResourceId = 0;
        CKPoint __queuedIconWhere;
};