diff options
Diffstat (limited to 'macosx/tkMacOSXDraw.c')
| -rw-r--r-- | macosx/tkMacOSXDraw.c | 104 |
1 files changed, 59 insertions, 45 deletions
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c index e382a48..917e3c7 100644 --- a/macosx/tkMacOSXDraw.c +++ b/macosx/tkMacOSXDraw.c @@ -11,26 +11,20 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkMacOSXDraw.c,v 1.2.2.11 2006/03/02 20:44:25 hobbs Exp $ + * RCS: @(#) $Id: tkMacOSXDraw.c,v 1.2.2.12 2006/03/28 02:44:13 das Exp $ */ -#include "tkInt.h" -#include "X11/X.h" -#include "X11/Xlib.h" -#include <stdio.h> - -#include <Carbon/Carbon.h> #include "tkMacOSXInt.h" -#include "tkPort.h" #include "tkMacOSXDebug.h" + #include "tclInt.h" /* for Tcl_CreateNamespace() */ #ifndef PI # define PI 3.14159265358979323846 #endif -#define RGBFLOATRED(c) (float)((float)(c.red) / 65535.0f) -#define RGBFLOATGREEN(c) (float)((float)(c.green) / 65535.0f) -#define RGBFLOATBLUE(c) (float)((float)(c.blue) / 65535.0f) +#define RGBFLOATRED(c) (float)((float)(c.red) / 65535.0f) +#define RGBFLOATGREEN(c) (float)((float)(c.green) / 65535.0f) +#define RGBFLOATBLUE(c) (float)((float)(c.blue) / 65535.0f) /* * Temporary regions that can be reused. @@ -1725,15 +1719,15 @@ TkMacOSXSetUpGraphicsPort( /* *---------------------------------------------------------------------- * - * TkMacOSXSetUpGraphicsPort -- + * TkMacOSXSetUpCGContext -- * - * Set up the graphics port from the given GC. + * Set up a CGContext for the given graphics port. * * Results: * None. * * Side effects: - * The current port is adjusted. + * None. * *---------------------------------------------------------------------- */ @@ -1743,18 +1737,18 @@ TkMacOSXSetUpCGContext( MacDrawable *macWin, CGrafPtr destPort, GC gc, - CGContextRef *contextPtr) /* GC to apply to current port. */ + CGContextRef *contextPtr) { RGBColor macColor; CGContextRef outContext; OSStatus err; Rect boundsRect; - CGAffineTransform coordsTransform; + CGAffineTransform coordsTransform; static RgnHandle clipRgn = NULL; err = QDBeginCGContext(destPort, contextPtr); outContext = *contextPtr; - + /* * Now clip the CG Context to the port. Note, we have already * set up the port with our clip region, so we can just get @@ -1764,39 +1758,43 @@ TkMacOSXSetUpCGContext( * We also have to intersect our clip region with the port * visible region so we don't overwrite the window decoration. */ - + if (!clipRgn) { - clipRgn = NewRgn(); + clipRgn = NewRgn(); } GetPortBounds(destPort, &boundsRect); - + RectRgn(clipRgn, &boundsRect); SectRegionWithPortClipRegion(destPort, clipRgn); SectRegionWithPortVisibleRegion(destPort, clipRgn); ClipCGContextToRegion(outContext, &boundsRect, clipRgn); SetEmptyRgn(clipRgn); - + /* * Note: You have to call SyncCGContextOriginWithPort * AFTER all the clip region manipulations. */ - + SyncCGContextOriginWithPort(outContext, destPort); - coordsTransform = CGAffineTransformMake(1.0f, 0.0f, 0.0f, -1.0f, 0.0f, - (float) (boundsRect.bottom - boundsRect.top)); + coordsTransform = CGAffineTransformMake(1.0f, 0.0f, 0.0f, -1.0f, 0.0f, + (float) (boundsRect.bottom - boundsRect.top)); CGContextConcatCTM(outContext, coordsTransform); /* Now offset the CTM to the subwindow offset */ - if (TkSetMacColor(gc->foreground, &macColor) == true) { - CGContextSetRGBFillColor(outContext, RGBFLOATRED(macColor), - RGBFLOATGREEN(macColor), - RGBFLOATBLUE(macColor), 1.0f); - CGContextSetRGBStrokeColor(outContext, RGBFLOATRED(macColor), - RGBFLOATGREEN(macColor), - RGBFLOATBLUE(macColor), 1.0f); + if (TkSetMacColor(gc->foreground, &macColor) == true) { + CGContextSetRGBFillColor(outContext, + RGBFLOATRED(macColor), + RGBFLOATGREEN(macColor), + RGBFLOATBLUE(macColor), + 1.0f); + CGContextSetRGBStrokeColor(outContext, + RGBFLOATRED(macColor), + RGBFLOATGREEN(macColor), + RGBFLOATBLUE(macColor), + 1.0f); } if(gc->function == GXxor) { @@ -1812,22 +1810,22 @@ TkMacOSXSetUpCGContext( } if (gc->line_style != LineSolid) { - int num = 0; - char *p = &(gc->dashes); - float dashOffset = (float) gc->dash_offset; - float lengths[10]; - - while (p[num] != '\0') { - lengths[num] = (float) (p[num]); - num++; - } - CGContextSetLineDash(outContext, dashOffset, lengths, num); + int num = 0; + char *p = &(gc->dashes); + float dashOffset = (float) gc->dash_offset; + float lengths[10]; + + while (p[num] != '\0') { + lengths[num] = (float) (p[num]); + num++; + } + CGContextSetLineDash(outContext, dashOffset, lengths, num); } - if (gc->cap_style == CapButt) { - /* - * What about CapNotLast, CapProjecting? - */ + if (gc->cap_style == CapButt) { + /* + * What about CapNotLast, CapProjecting? + */ CGContextSetLineCap(outContext, kCGLineCapButt); } else if (gc->cap_style == CapRound) { @@ -1844,6 +1842,22 @@ TkMacOSXSetUpCGContext( CGContextSetLineJoin(outContext, kCGLineJoinBevel); } } + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXReleaseCGContext -- + * + * Release the CGContext for the given graphics port. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ static void TkMacOSXReleaseCGContext( |