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#ifndef PLATMACOSX_H
#define PLATMACOSX_H

#include <cstring>
#include <cstdio>
#include <cstdlib>

#include <assert.h>

#include <sys/time.h>

#include <Carbon/Carbon.h>
#include "QuartzTextLayout.h"

#include "Platform.h"
#include "Scintilla.h"

namespace Scintilla {

class SurfaceImpl : public Surface {
private:
    bool unicodeMode;
    float x;
    float y;

    CGContextRef gc;


    /** The text layout instance */
    QuartzTextLayout*	textLayout;
    /** If the surface is a bitmap context, contains a reference to the bitmap data. */
    uint8_t* bitmapData;
    /** If the surface is a bitmap context, stores the dimensions of the bitmap. */
    int bitmapWidth;
    int bitmapHeight;

    /** Set the CGContext's fill colour to the specified allocated colour. */
    void FillColour( const ColourAllocated& back );


    // 24-bit RGB+A bitmap data constants
    static const int BITS_PER_COMPONENT = 8;
    static const int BITS_PER_PIXEL = BITS_PER_COMPONENT * 4;
    static const int BYTES_PER_PIXEL = BITS_PER_PIXEL / 8;
public:
    SurfaceImpl();
    ~SurfaceImpl();

    void Init(WindowID wid);
    void Init(SurfaceID sid, WindowID wid);
    void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
    CGContextRef GetContext() { return gc; }

    void Release();
    bool Initialised();
    void PenColour(ColourAllocated fore);

    /** Returns a CGImageRef that represents the surface. Returns NULL if this is not possible. */
    CGImageRef GetImage();
    void CopyImageRectangle(Surface &surfaceSource, PRectangle srcRect, PRectangle dstRect);

    int LogPixelsY();
    int DeviceHeightFont(int points);
    void MoveTo(int x_, int y_);
    void LineTo(int x_, int y_);
    void Polygon(Scintilla::Point *pts, int npts, ColourAllocated fore, ColourAllocated back);
    void RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back);
    void FillRectangle(PRectangle rc, ColourAllocated back);
    void FillRectangle(PRectangle rc, Surface &surfacePattern);
    void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
    void AlphaRectangle(PRectangle rc, int cornerSize, ColourAllocated fill, int alphaFill,
            ColourAllocated outline, int alphaOutline, int flags);
    void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
    void Copy(PRectangle rc, Scintilla::Point from, Surface &surfaceSource);

    void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
    void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
    void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore);
    void MeasureWidths(Font &font_, const char *s, int len, int *positions);
    int WidthText(Font &font_, const char *s, int len);
    int WidthChar(Font &font_, char ch);
    int Ascent(Font &font_);
    int Descent(Font &font_);
    int InternalLeading(Font &font_);
    int ExternalLeading(Font &font_);
    int Height(Font &font_);
    int AverageCharWidth(Font &font_);

    int SetPalette(Scintilla::Palette *pal, bool inBackGround);
    void SetClip(PRectangle rc);
    void FlushCachedState();

    void SetUnicodeMode(bool unicodeMode_);
    void SetDBCSMode(int codePage);
};

}

#endif

PlatMacOSX.h

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