126 lines
4.6 KiB
Objective-C
126 lines
4.6 KiB
Objective-C
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/**
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
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*/
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#ifndef PLATCOCOA_H
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#define PLATCOCOA_H
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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#include <cstdio>
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#include <sys/time.h>
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#include <Cocoa/Cocoa.h>
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#include "Platform.h"
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#include "Scintilla.h"
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#include "QuartzTextLayout.h"
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NSRect PRectangleToNSRect(const Scintilla::PRectangle &rc);
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Scintilla::PRectangle NSRectToPRectangle(NSRect &rc);
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CFStringEncoding EncodingFromCharacterSet(bool unicode, int characterSet);
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@interface ScintillaContextMenu : NSMenu {
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Scintilla::ScintillaCocoa *owner;
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}
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- (void) handleCommand: (NSMenuItem *) sender;
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- (void) setOwner: (Scintilla::ScintillaCocoa *) newOwner;
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@end
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namespace Scintilla {
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// A class to do the actual text rendering for us using Quartz 2D.
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class SurfaceImpl : public Surface {
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private:
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bool unicodeMode;
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float x;
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float y;
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CGContextRef gc;
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/** The text layout instance */
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std::unique_ptr<QuartzTextLayout> textLayout;
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int codePage;
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int verticalDeviceResolution;
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/** If the surface is a bitmap context, contains a reference to the bitmap data. */
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std::unique_ptr<uint8_t[]> bitmapData;
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/** If the surface is a bitmap context, stores the dimensions of the bitmap. */
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int bitmapWidth;
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int bitmapHeight;
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/** Set the CGContext's fill colour to the specified desired colour. */
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void FillColour(const ColourDesired &back);
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// 24-bit RGB+A bitmap data constants
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static const int BITS_PER_COMPONENT = 8;
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static const int BITS_PER_PIXEL = BITS_PER_COMPONENT * 4;
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static const int BYTES_PER_PIXEL = BITS_PER_PIXEL / 8;
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void Clear();
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public:
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SurfaceImpl();
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~SurfaceImpl() override;
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void Init(WindowID wid) override;
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void Init(SurfaceID sid, WindowID wid) override;
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void InitPixMap(int width, int height, Surface *surface_, WindowID wid) override;
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CGContextRef GetContext() { return gc; }
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void Release() override;
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bool Initialised() override;
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void PenColour(ColourDesired fore) override;
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/** Returns a CGImageRef that represents the surface. Returns NULL if this is not possible. */
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CGImageRef GetImage();
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void CopyImageRectangle(Surface &surfaceSource, PRectangle srcRect, PRectangle dstRect);
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int LogPixelsY() override;
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int DeviceHeightFont(int points) override;
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void MoveTo(int x_, int y_) override;
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void LineTo(int x_, int y_) override;
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void Polygon(Scintilla::Point *pts, size_t npts, ColourDesired fore, ColourDesired back) override;
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void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) override;
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void FillRectangle(PRectangle rc, ColourDesired back) override;
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void FillRectangle(PRectangle rc, Surface &surfacePattern) override;
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void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) override;
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void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
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ColourDesired outline, int alphaOutline, int flags) override;
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void GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) override;
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void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) override;
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void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) override;
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void Copy(PRectangle rc, Scintilla::Point from, Surface &surfaceSource) override;
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std::unique_ptr<IScreenLineLayout> Layout(const IScreenLine *screenLine) override;
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void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore,
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ColourDesired back) override;
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void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore,
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ColourDesired back) override;
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void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore) override;
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void MeasureWidths(Font &font_, std::string_view text, XYPOSITION *positions) override;
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XYPOSITION WidthText(Font &font_, std::string_view text) override;
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XYPOSITION Ascent(Font &font_) override;
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XYPOSITION Descent(Font &font_) override;
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XYPOSITION InternalLeading(Font &font_) override;
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XYPOSITION Height(Font &font_) override;
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XYPOSITION AverageCharWidth(Font &font_) override;
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void SetClip(PRectangle rc) override;
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void FlushCachedState() override;
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void SetUnicodeMode(bool unicodeMode_) override;
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void SetDBCSMode(int codePage_) override;
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void SetBidiR2L(bool bidiR2L_) override;
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}; // SurfaceImpl class
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} // Scintilla namespace
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#endif
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