notepad-plus-plus/scintilla/cocoa/PlatCocoa.h

142 lines
5.6 KiB
Objective-C

/**
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
* @file PlatCocoa.h
*/
#ifndef PLATCOCOA_H
#define PLATCOCOA_H
#include <cstdlib>
#include <cassert>
#include <cstring>
#include <cstdio>
#include <Cocoa/Cocoa.h>
#include "ScintillaTypes.h"
#include "ScintillaMessages.h"
#include "Debugging.h"
#include "Geometry.h"
#include "Platform.h"
#include "QuartzTextLayout.h"
NSRect PRectangleToNSRect(const Scintilla::Internal::PRectangle &rc);
Scintilla::Internal::PRectangle NSRectToPRectangle(const NSRect &rc);
CFStringEncoding EncodingFromCharacterSet(bool unicode, Scintilla::CharacterSet characterSet);
@interface ScintillaContextMenu : NSMenu {
Scintilla::Internal::ScintillaCocoa *owner;
}
- (void) handleCommand: (NSMenuItem *) sender;
- (void) setOwner: (Scintilla::Internal::ScintillaCocoa *) newOwner;
@end
namespace Scintilla::Internal {
// A class to do the actual text rendering for us using Quartz 2D.
class SurfaceImpl : public Surface {
private:
SurfaceMode mode;
CGContextRef gc;
/** If the surface is a bitmap context, contains a reference to the bitmap data. */
std::unique_ptr<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 desired colour. */
void FillColour(ColourRGBA fill);
void PenColourAlpha(ColourRGBA fore);
void SetFillStroke(FillStroke fillStroke);
// 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;
bool UnicodeMode() const noexcept;
void Clear();
public:
SurfaceImpl();
SurfaceImpl(const SurfaceImpl *surface, int width, int height);
~SurfaceImpl() override;
void Init(WindowID wid) override;
void Init(SurfaceID sid, WindowID wid) override;
std::unique_ptr<Surface> AllocatePixMap(int width, int height) override;
std::unique_ptr<SurfaceImpl> AllocatePixMapImplementation(int width, int height);
CGContextRef GetContext() { return gc; }
void SetMode(SurfaceMode mode) override;
void Release() noexcept override;
int SupportsFeature(Scintilla::Supports feature) noexcept override;
bool Initialised() override;
/** Returns a CGImageRef that represents the surface. Returns NULL if this is not possible. */
CGImageRef CreateImage();
void CopyImageRectangle(SurfaceImpl *source, PRectangle srcRect, PRectangle dstRect);
int LogPixelsY() override;
int PixelDivisions() override;
int DeviceHeightFont(int points) override;
void LineDraw(Point start, Point end, Stroke stroke) override;
void PolyLine(const Point *pts, size_t npts, Stroke stroke) override;
void Polygon(const Scintilla::Internal::Point *pts, size_t npts, FillStroke fillStroke) override;
void RectangleDraw(PRectangle rc, FillStroke fillStroke) override;
void RectangleFrame(PRectangle rc, Stroke stroke) override;
void FillRectangle(PRectangle rc, Fill fill) override;
void FillRectangleAligned(PRectangle rc, Fill fill) override;
void FillRectangle(PRectangle rc, Surface &surfacePattern) override;
void RoundedRectangle(PRectangle rc, FillStroke fillStroke) override;
void AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) override;
void GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) override;
void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) override;
void Ellipse(PRectangle rc, FillStroke fillStroke) override;
void Stadium(PRectangle rc, FillStroke fillStroke, Ends ends) override;
void Copy(PRectangle rc, Scintilla::Internal::Point from, Surface &surfaceSource) override;
std::unique_ptr<IScreenLineLayout> Layout(const IScreenLine *screenLine) override;
void DrawTextNoClip(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore,
ColourRGBA back) override;
void DrawTextClipped(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore,
ColourRGBA back) override;
void DrawTextTransparent(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore) override;
void MeasureWidths(const Font *font_, std::string_view text, XYPOSITION *positions) override;
XYPOSITION WidthText(const Font *font_, std::string_view text) override;
void DrawTextNoClipUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore,
ColourRGBA back) override;
void DrawTextClippedUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore,
ColourRGBA back) override;
void DrawTextTransparentUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase, std::string_view text, ColourRGBA fore) override;
void MeasureWidthsUTF8(const Font *font_, std::string_view text, XYPOSITION *positions) override;
XYPOSITION WidthTextUTF8(const Font *font_, std::string_view text) override;
XYPOSITION Ascent(const Font *font_) override;
XYPOSITION Descent(const Font *font_) override;
XYPOSITION InternalLeading(const Font *font_) override;
XYPOSITION Height(const Font *font_) override;
XYPOSITION AverageCharWidth(const Font *font_) override;
void SetClip(PRectangle rc) override;
void PopClip() override;
void FlushCachedState() override;
void FlushDrawing() override;
}; // SurfaceImpl class
} // Scintilla namespace
#endif