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source-engine/common/quicktime_win32/CGContext.h

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/*
File: CGContext.h
Contains: CoreGraphics context
Version: QuickTime 7.3
Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved.
Bugs?: For bug reports, consult the following page on
the World Wide Web:
http://developer.apple.com/bugreporter/
*/
#ifndef CGCONTEXT_H_
#define CGCONTEXT_H_
#ifndef __CGBASE__
#include <CGBase.h>
#endif
#ifndef __CGAFFINETRANSFORM__
#include <CGAffineTransform.h>
#endif
#ifndef __CGCOLORSPACE__
#include <CGColorSpace.h>
#endif
#ifndef __CGFONT__
#include <CGFont.h>
#endif
#ifndef __CGIMAGE__
#include <CGImage.h>
#endif
#ifndef __CGPDFDOCUMENT__
#include <CGPDFDocument.h>
#endif
#if PRAGMA_ONCE
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if PRAGMA_IMPORT
#pragma import on
#endif
#if PRAGMA_ENUM_ALWAYSINT
#if defined(__fourbyteints__) && !__fourbyteints__
#define __CGCONTEXT__RESTORE_TWOBYTEINTS
#pragma fourbyteints on
#endif
#pragma enumsalwaysint on
#elif PRAGMA_ENUM_OPTIONS
#pragma option enum=int
#elif PRAGMA_ENUM_PACK
#if __option(pack_enums)
#define __CGCONTEXT__RESTORE_PACKED_ENUMS
#pragma options(!pack_enums)
#endif
#endif
typedef struct CGContext* CGContextRef;
typedef struct CGPattern* CGPatternRef;
/* Line join styles. */
enum CGLineJoin {
kCGLineJoinMiter = 0,
kCGLineJoinRound = 1,
kCGLineJoinBevel = 2
};
typedef enum CGLineJoin CGLineJoin;
/* Line cap styles. */
enum CGLineCap {
kCGLineCapButt = 0,
kCGLineCapRound = 1,
kCGLineCapSquare = 2
};
typedef enum CGLineCap CGLineCap;
/* Drawing modes for paths. */
enum CGPathDrawingMode {
kCGPathFill = 0,
kCGPathEOFill = 1,
kCGPathStroke = 2,
kCGPathFillStroke = 3,
kCGPathEOFillStroke = 4
};
typedef enum CGPathDrawingMode CGPathDrawingMode;
/* Drawing modes for text. */
enum CGTextDrawingMode {
kCGTextFill = 0,
kCGTextStroke = 1,
kCGTextFillStroke = 2,
kCGTextInvisible = 3,
kCGTextFillClip = 4,
kCGTextStrokeClip = 5,
kCGTextFillStrokeClip = 6,
kCGTextClip = 7
};
typedef enum CGTextDrawingMode CGTextDrawingMode;
/* Text encodings. */
enum CGTextEncoding {
kCGEncodingFontSpecific = 0,
kCGEncodingMacRoman = 1
};
typedef enum CGTextEncoding CGTextEncoding;
enum CGInterpolationQuality {
kCGInterpolationDefault = 0, /* Let the context decide. */
kCGInterpolationNone = 1, /* Never interpolate. */
kCGInterpolationLow = 2, /* Fast, low quality. */
kCGInterpolationHigh = 3 /* Slow, high quality. */
};
typedef enum CGInterpolationQuality CGInterpolationQuality;
/** Graphics state functions. **/
/* Push a copy of the current graphics state onto the graphics state
* stack. Note that the path is not considered part of the gstate, and is
* not saved. */
/*
* CGContextSaveGState()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSaveGState(CGContextRef ctx);
/* Restore the current graphics state from the one on the top of the
* graphics state stack, popping the graphics state stack in the
* process. */
/*
* CGContextRestoreGState()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextRestoreGState(CGContextRef ctx);
/** Coordinate space transformations. **/
/* Scale the current graphics state's transformation matrix (the CTM) by
* `(sx, sy)'. */
/*
* CGContextScaleCTM()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextScaleCTM(
CGContextRef ctx,
float sx,
float sy);
/* Translate the current graphics state's transformation matrix (the CTM)
* by `(tx, ty)'. */
/*
* CGContextTranslateCTM()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextTranslateCTM(
CGContextRef ctx,
float tx,
float ty);
/* Rotate the current graphics state's transformation matrix (the CTM) by
* `angle' radians. */
/*
* CGContextRotateCTM()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextRotateCTM(
CGContextRef ctx,
float angle);
/* Concatenate the current graphics state's transformation matrix (the CTM)
* with the affine transform `transform'. */
/*
* CGContextConcatCTM()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextConcatCTM(
CGContextRef ctx,
CGAffineTransform transform);
/* Return the current graphics state's transformation matrix. */
/*
* CGContextGetCTM()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGAffineTransform )
CGContextGetCTM(CGContextRef ctx);
/** Drawing attribute functions. **/
/* Set the line width in the current graphics state to `width'. */
/*
* CGContextSetLineWidth()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetLineWidth(
CGContextRef ctx,
float width);
/* Set the line cap in the current graphics state to `cap'. */
/*
* CGContextSetLineCap()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetLineCap(
CGContextRef ctx,
CGLineCap cap);
/* Set the line join in the current graphics state to `join'. */
/*
* CGContextSetLineJoin()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetLineJoin(
CGContextRef ctx,
CGLineJoin join);
/* Set the miter limit in the current graphics state to `limit'. */
/*
* CGContextSetMiterLimit()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetMiterLimit(
CGContextRef ctx,
float limit);
/* Set the line dash patttern in the current graphics state. */
/*
* CGContextSetLineDash()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetLineDash(
CGContextRef ctx,
float phase,
const float lengths[],
size_t count);
/* Set the path flatness parameter in the current graphics state to
* `flatness'. */
/*
* CGContextSetFlatness()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetFlatness(
CGContextRef ctx,
float flatness);
/* Set the alpha value in the current graphics state to `alpha'. */
/*
* CGContextSetAlpha()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetAlpha(
CGContextRef ctx,
float alpha);
/** Path construction functions. **/
/* Note that a context has a single path in use at any time: a path is not
* part of the graphics state. */
/* Begin a new path. The old path is discarded. */
/*
* CGContextBeginPath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextBeginPath(CGContextRef ctx);
/* Start a new subpath at point `(x, y)' in the context's path. */
/*
* CGContextMoveToPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextMoveToPoint(
CGContextRef ctx,
float x,
float y);
/* Append a straight line segment from the current point to `(x, y)'. */
/*
* CGContextAddLineToPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddLineToPoint(
CGContextRef ctx,
float x,
float y);
/* Append a cubic Bezier curve from the current point to `(x,y)', with
* control points `(cp1x, cp1y)' and `(cp2x, cp2y)'. */
/*
* CGContextAddCurveToPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddCurveToPoint(
CGContextRef ctx,
float cp1x,
float cp1y,
float cp2x,
float cp2y,
float x,
float y);
/* Append a quadratic curve from the current point to `(x, y)', with
* control point `(cpx, cpy)'. */
/*
* CGContextAddQuadCurveToPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddQuadCurveToPoint(
CGContextRef ctx,
float cpx,
float cpy,
float x,
float y);
/* Close the current subpath of the context's path. */
/*
* CGContextClosePath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextClosePath(CGContextRef ctx);
/** Path construction convenience functions. **/
/* Add a single rect to the context's path. */
/*
* CGContextAddRect()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddRect(
CGContextRef ctx,
CGRect rect);
/* Add a set of rects to the context's path. */
/*
* CGContextAddRects()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddRects(
CGContextRef ctx,
const CGRect rects[],
size_t count);
/* Add a set of lines to the context's path. */
/*
* CGContextAddLines()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddLines(
CGContextRef ctx,
const CGPoint points[],
size_t count);
/* Add an arc of a circle to the context's path, possibly preceded by a
* straight line segment. `(x, y)' is the center of the arc; `radius' is
* its radius; `startAngle' is the angle to the first endpoint of the arc;
* `endAngle' is the angle to the second endpoint of the arc; and
* `clockwise' is 1 if the arc is to be drawn clockwise, 0 otherwise.
* `startAngle' and `endAngle' are measured in radians. */
/*
* CGContextAddArc()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddArc(
CGContextRef ctx,
float x,
float y,
float radius,
float startAngle,
float endAngle,
int clockwise);
/* Add an arc of a circle to the context's path, possibly preceded by a
* straight line segment. `radius' is the radius of the arc. The arc is
* tangent to the line from the current point to `(x1, y1)', and the line
* from `(x1, y1)' to `(x2, y2)'. */
/*
* CGContextAddArcToPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextAddArcToPoint(
CGContextRef ctx,
float x1,
float y1,
float x2,
float y2,
float radius);
/** Path information functions. **/
/* Return 1 if the context's path contains no elements, 0 otherwise. */
/*
* CGContextIsPathEmpty()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( int )
CGContextIsPathEmpty(CGContextRef ctx);
/* Return the current point of the current subpath of the context's
* path. */
/*
* CGContextGetPathCurrentPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGPoint )
CGContextGetPathCurrentPoint(CGContextRef ctx);
/* Return the bounding box of the context's path. The bounding box is the
* smallest rectangle completely enclosing all points in the path,
* including control points for Bezier and quadratic curves. */
/*
* CGContextGetPathBoundingBox()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGRect )
CGContextGetPathBoundingBox(CGContextRef ctx);
/** Path drawing functions. **/
/* Draw the context's path using drawing mode `mode'. */
/*
* CGContextDrawPath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextDrawPath(
CGContextRef ctx,
CGPathDrawingMode mode);
/** Path drawing convenience functions. **/
/* Fill the context's path using the winding-number fill rule. Any open
* subpath of the path is implicitly closed. */
/*
* CGContextFillPath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextFillPath(CGContextRef ctx);
/* Fill the context's path using the even-odd fill rule. Any open subpath
* of the path is implicitly closed. */
/*
* CGContextEOFillPath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextEOFillPath(CGContextRef ctx);
/* Stroke the context's path. */
/*
* CGContextStrokePath()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextStrokePath(CGContextRef ctx);
/* Fill `rect' with the current fill color. */
/*
* CGContextFillRect()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextFillRect(
CGContextRef ctx,
CGRect rect);
/* Fill `rects', an array of `count' CGRects, with the current fill
* color. */
/*
* CGContextFillRects()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextFillRects(
CGContextRef ctx,
const CGRect rects[],
size_t count);
/* Stroke `rect' with the current stroke color and the current linewidth. */
/*
* CGContextStrokeRect()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextStrokeRect(
CGContextRef ctx,
CGRect rect);
/* Stroke `rect' with the current stroke color, using `width' as the the
* line width. */
/*
* CGContextStrokeRectWithWidth()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextStrokeRectWithWidth(
CGContextRef ctx,
CGRect rect,
float width);
/* Clear `rect' (that is, set the region within the rect to
* transparent). */
/*
* CGContextClearRect()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextClearRect(
CGContextRef c,
CGRect rect);
/** Clipping functions. **/
/* Intersect the context's path with the current clip path and use the
* resulting path as the clip path for subsequent rendering operations.
* Use the winding-number fill rule for deciding what's inside the path. */
/*
* CGContextClip()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextClip(CGContextRef ctx);
/* Intersect the context's path with the current clip path and use the
* resulting path as the clip path for subsequent rendering operations.
* Use the even-odd fill rule for deciding what's inside the path. */
/*
* CGContextEOClip()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextEOClip(CGContextRef ctx);
/** Clipping convenience functions. **/
/* Intersect the current clipping path with `rect'. Note that this
* function resets the context's path to the empty path. */
/*
* CGContextClipToRect()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextClipToRect(
CGContextRef ctx,
CGRect rect);
/* Intersect the current clipping path with the clipping region formed by
* creating a path consisting of all rects in `rects'. Note that this
* function resets the context's path to the empty path. */
/*
* CGContextClipToRects()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextClipToRects(
CGContextRef ctx,
const CGRect rects[],
size_t count);
/** Colorspace functions. **/
/* Set the components of the current fill color in the context `ctx' to the
* values specifed by `components'. The number of elements in `components'
* must be one greater than the number of components in the current fill
* colorspace (N color components + 1 alpha component). The current fill
* colorspace must not be a pattern colorspace. */
/*
* CGContextSetFillColorSpace()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetFillColorSpace(
CGContextRef ctx,
CGColorSpaceRef colorspace);
/* Set the components of the current fill color in the context `ctx' to the
* values specifed by `components'. The number of elements in `components'
* must be one greater than the number of components in the current fill
* colorspace (N color components + 1 alpha component). The current fill
* colorspace must not be a pattern colorspace. */
/*
* CGContextSetStrokeColorSpace()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetStrokeColorSpace(
CGContextRef ctx,
CGColorSpaceRef colorspace);
/** Color functions. **/
/* Set the components of the current fill color in the context `c' to the
* values specifed by `components'. The number of elements in `components'
* must be one greater than the number of components in the current fill
* colorspace (N color components + 1 alpha component). The current fill
* colorspace must not be a pattern colorspace. */
/*
* CGContextSetFillColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetFillColor(
CGContextRef c,
const float components[]);
/* Set the components of the current stroke color in the context `c' to the
* values specifed by `components'. The number of elements in `components'
* must be one greater than the number of components in the current stroke
* colorspace (N color components + 1 alpha component). The current stroke
* colorspace must not be a pattern colorspace. */
/*
* CGContextSetStrokeColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetStrokeColor(
CGContextRef c,
const float components[]);
/** Pattern functions. **/
/* Set the components of the current fill color in the context `c' to the
* values specifed by `components', and set the current fill pattern to
* `pattern'. The number of elements in `components' must be one greater
* than the number of components in the current fill colorspace (N color
* components + 1 alpha component). The current fill colorspace must be a
* pattern colorspace. */
/*
* CGContextSetFillPattern()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( void )
CGContextSetFillPattern(
CGContextRef c,
CGPatternRef pattern,
const float components[]);
/* Set the components of the current stroke color in the context `c' to the
* values specifed by `components', and set the current stroke pattern to
* `pattern'. The number of elements in `components' must be one greater
* than the number of components in the current stroke colorspace (N color
* components + 1 alpha component). The current stroke colorspace must be
* a pattern colorspace. */
/*
* CGContextSetStrokePattern()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( void )
CGContextSetStrokePattern(
CGContextRef c,
CGPatternRef pattern,
const float components[]);
/** Color convenience functions. **/
/* Set the current fill colorspace in the context `c' to `DeviceGray' and
* set the components of the current fill color to `(gray, alpha)'. */
/*
* CGContextSetGrayFillColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetGrayFillColor(
CGContextRef ctx,
float gray,
float alpha);
/* Set the current stroke colorspace in the context `c' to `DeviceGray' and
* set the components of the current stroke color to `(gray, alpha)'. */
/*
* CGContextSetGrayStrokeColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetGrayStrokeColor(
CGContextRef ctx,
float gray,
float alpha);
/* Set the current fill colorspace in the context `c' to `DeviceRGB' and
* set the components of the current fill color to `(red, green, blue,
* alpha)'. */
/*
* CGContextSetRGBFillColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetRGBFillColor(
CGContextRef ctx,
float red,
float green,
float blue,
float alpha);
/* Set the current stroke colorspace in the context `c' to `DeviceRGB' and
* set the components of the current stroke color to `(red, green, blue,
* alpha)'. */
/*
* CGContextSetRGBStrokeColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetRGBStrokeColor(
CGContextRef ctx,
float red,
float green,
float blue,
float alpha);
/* Set the current fill colorspace in the context `c' to `DeviceCMYK' and
* set the components of the current fill color to `(cyan, magenta, yellow,
* black, alpha)'. */
/*
* CGContextSetCMYKFillColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetCMYKFillColor(
CGContextRef ctx,
float cyan,
float magenta,
float yellow,
float black,
float alpha);
/* Set the current stroke colorspace in the context `c' to `DeviceCMYK' and
* set the components of the current stroke color to `(cyan, magenta,
* yellow, black, alpha)'. */
/*
* CGContextSetCMYKStrokeColor()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetCMYKStrokeColor(
CGContextRef ctx,
float cyan,
float magenta,
float yellow,
float black,
float alpha);
/** Rendering intent. **/
/* Set the rendering intent in the graphics state to `intent'. */
/*
* CGContextSetRenderingIntent()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetRenderingIntent(
CGContextRef c,
CGColorRenderingIntent intent);
/** Image functions. **/
/* Draw `image' in the rectangular area specified by `rect'. The image is
* scaled, if necessary, to fit into `rect'. */
/*
* CGContextDrawImage()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextDrawImage(
CGContextRef ctx,
CGRect rect,
CGImageRef image);
/* Return the interpolation quality for image rendering of the context `c'.
* The interpolation quality is a gstate-parameter which controls the level
* of interpolation performed when an image is interpolated (for example,
* when scaling the image). Note that it is merely a hint to the context:
* not all contexts support all interpolation quality levels. */
/*
* CGContextGetInterpolationQuality()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( CGInterpolationQuality )
CGContextGetInterpolationQuality(CGContextRef c);
/* Set the interpolation quality of the context `c' to `quality'. */
/*
* CGContextSetInterpolationQuality()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( void )
CGContextSetInterpolationQuality(
CGContextRef c,
CGInterpolationQuality quality);
/** Text functions. **/
/* Set the current character spacing in the context `ctx' to `spacing'. The
* character spacing is added to the displacement between the origin of one
* character and the origin of the next. */
/*
* CGContextSetCharacterSpacing()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetCharacterSpacing(
CGContextRef ctx,
float spacing);
/* Set the user-space point at which text will be drawn to (x,y). */
/*
* CGContextSetTextPosition()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetTextPosition(
CGContextRef ctx,
float x,
float y);
/* Return the current user-space point at which text will be drawn to (x,y). */
/*
* CGContextGetTextPosition()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGPoint )
CGContextGetTextPosition(CGContextRef ctx);
/* Set the text matrix to `transform'. */
/*
* CGContextSetTextMatrix()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetTextMatrix(
CGContextRef ctx,
CGAffineTransform transform);
/* Return the text matrix. */
/*
* CGContextGetTextMatrix()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGAffineTransform )
CGContextGetTextMatrix(CGContextRef ctx);
/* Set the text drawing mode to `mode'. */
/*
* CGContextSetTextDrawingMode()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetTextDrawingMode(
CGContextRef ctx,
CGTextDrawingMode mode);
/* Set the current font to `font'. */
/*
* CGContextSetFont()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetFont(
CGContextRef ctx,
CGFontRef font);
/* Set the current font size to `size'. */
/*
* CGContextSetFontSize()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetFontSize(
CGContextRef ctx,
float size);
/* Attempts to find the font named `name'. If successful, scales it to
* `size' units in user space. `textEncoding' specifies how to translate
* from bytes to glyphs. */
/*
* CGContextSelectFont()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSelectFont(
CGContextRef ctx,
const char * name,
float size,
CGTextEncoding textEncoding);
/* Draw `string', a string of `length' bytes, at the point specified by the
* current text matrix. Each byte of the string is mapped through the
* encoding vector of the current font to obtain the glyph to display. */
/*
* CGContextShowText()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextShowText(
CGContextRef ctx,
const char * cstring,
size_t length);
/* Draw the glyphs pointed to by `g', an array of `count' glyphs, at the
* point specified by the current text matrix. */
/*
* CGContextShowGlyphs()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextShowGlyphs(
CGContextRef ctx,
const CGGlyph g[],
size_t count);
/** Text convenience functions. **/
/* Draw `string', a string of `length' bytes, at the point `(x, y)',
* specified in user space. Each byte of the string is mapped through the
* encoding vector of the current font to obtain the glyph to display. */
/*
* CGContextShowTextAtPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextShowTextAtPoint(
CGContextRef ctx,
float x,
float y,
const char * cstring,
size_t length);
/* Display the glyphs pointed to by `g', an array of `count' glyph ids, at
* the point `(x, y)', specified in user space. */
/*
* CGContextShowGlyphsAtPoint()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextShowGlyphsAtPoint(
CGContextRef ctx,
float x,
float y,
const CGGlyph g[],
size_t count);
/** PDF document functions. **/
/* Draw `page' in `document' in the rectangular area specified by `rect'.
* The media box of the page is scaled, if necessary, to fit into
* `rect'. */
/*
* CGContextDrawPDFDocument()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextDrawPDFDocument(
CGContextRef ctx,
CGRect rect,
CGPDFDocumentRef document,
int page);
/** Page functions. **/
/* Begin a new page. */
/*
* CGContextBeginPage()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextBeginPage(
CGContextRef ctx,
const CGRect * mediaBox);
/* End the current page. */
/*
* CGContextEndPage()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextEndPage(CGContextRef ctx);
/** Context functions. **/
/* Increment the retain count of `ctx' and return it. All contexts are
* created with an initial retain count of 1. */
/*
* CGContextRetain()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGContextRef )
CGContextRetain(CGContextRef ctx);
/* Decrement the retain count of `ctx'. If the retain count reaches 0,
* then free `ctx' and any associated resources. */
/*
* CGContextRelease()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextRelease(CGContextRef ctx);
/* Flush all drawing to the destination. */
/*
* CGContextFlush()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextFlush(CGContextRef ctx);
/* Synchronized drawing. */
/*
* CGContextSynchronize()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSynchronize(CGContextRef ctx);
/** Antialiasing functions. **/
/* Turn off antialiasing if `shouldAntialias' is zero; turn it on
* otherwise. This parameter is part of the graphics state. */
/*
* CGContextSetShouldAntialias()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGContextSetShouldAntialias(
CGContextRef ctx,
int shouldAntialias);
#if PRAGMA_ENUM_ALWAYSINT
#pragma enumsalwaysint reset
#ifdef __CGCONTEXT__RESTORE_TWOBYTEINTS
#pragma fourbyteints off
#endif
#elif PRAGMA_ENUM_OPTIONS
#pragma option enum=reset
#elif defined(__CGCONTEXT__RESTORE_PACKED_ENUMS)
#pragma options(pack_enums)
#endif
#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif
#ifdef __cplusplus
}
#endif
#endif /* CGCONTEXT_H_ */
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