summaryrefslogtreecommitdiffstats
path: root/macosx/tkMacOSXDraw.c
diff options
context:
space:
mode:
Diffstat (limited to 'macosx/tkMacOSXDraw.c')
-rw-r--r--macosx/tkMacOSXDraw.c751
1 files changed, 528 insertions, 223 deletions
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c
index d76b362..fff5370 100644
--- a/macosx/tkMacOSXDraw.c
+++ b/macosx/tkMacOSXDraw.c
@@ -11,9 +11,10 @@
* 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 1.4 2004/02/23 10:48:10 das Exp $
+ * RCS: @(#) $Id: tkMacOSXDraw.c,v 1.5 2004/11/11 01:24:32 das Exp $
*/
+#include "tclInt.h"
#include "tkInt.h"
#include "X11/X.h"
#include "X11/Xlib.h"
@@ -27,9 +28,9 @@
#ifndef PI
# define PI 3.14159265358979323846
#endif
-#define RGBFLOATRED( c ) (float)((float)(c.red) / 65535.0)
-#define RGBFLOATGREEN( c ) (float)((float)(c.green) / 65535.0)
-#define RGBFLOATBLUE( c ) (float)((float)(c.blue) / 65535.0)
+#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.
@@ -40,7 +41,8 @@ static RgnHandle tmpRgn2 = NULL;
static PixPatHandle gPenPat = NULL;
-static int useCGDrawing = 0;
+static int useCGDrawing = 1;
+static int tkMacOSXCGAntiAliasLimit = 1;
/*
* Prototypes for functions used only in this file.
@@ -51,6 +53,37 @@ void TkMacOSXSetUpCGContext(MacDrawable *macWin,
CGrafPtr destPort, GC gc, CGContextRef *contextPtr);
void TkMacOSXReleaseCGContext(MacDrawable *macWin, CGrafPtr destPort,
CGContextRef *context);
+static inline double radians(double degrees) { return degrees * PI / 180.0f; }
+
+int
+TkMacOSXInitCGDrawing(interp, enable, limit)
+ Tcl_Interp *interp;
+ int enable;
+ int limit;
+{
+ static Boolean initialized = FALSE;
+
+ if (!initialized) {
+ if (Tcl_CreateNamespace(interp, "::tk::mac", NULL, NULL) == NULL) {
+ Tcl_ResetResult(interp);
+ }
+ if (Tcl_LinkVar(interp, "::tk::mac::useCGDrawing",
+ (char *) &useCGDrawing,
+ TCL_LINK_BOOLEAN) != TCL_OK) {
+ Tcl_ResetResult(interp);
+ }
+ useCGDrawing = enable;
+
+ if (Tcl_LinkVar(interp, "::tk::mac::CGAntialiasLimit",
+ (char *) &tkMacOSXCGAntiAliasLimit,
+ TCL_LINK_INT) != TCL_OK) {
+ Tcl_ResetResult(interp);
+ }
+ tkMacOSXCGAntiAliasLimit = limit;
+ }
+ return TCL_OK;
+}
+
/*
*----------------------------------------------------------------------
*
@@ -118,15 +151,15 @@ XCopyArea(
srcPtr = &srcRect;
SetRect(&srcRect, (short) (srcDraw->xOff + src_x),
(short) (srcDraw->yOff + src_y),
- (short) (srcDraw->xOff + src_x + width ),
+ (short) (srcDraw->xOff + src_x + width),
(short) (srcDraw->yOff + src_y + height));
- if (tkPictureIsOpen ) {
+ if (tkPictureIsOpen) {
dstPtr = &srcRect;
} else {
dstPtr = &dstRect;
SetRect(&dstRect, (short) (dstDraw->xOff + dest_x),
(short) (dstDraw->yOff + dest_y),
- (short) (dstDraw->xOff + dest_x + width ),
+ (short) (dstDraw->xOff + dest_x + width),
(short) (dstDraw->yOff + dest_y + height));
}
TkMacOSXSetUpClippingRgn(dst);
@@ -145,14 +178,15 @@ XCopyArea(
* In this case, would have also clipped to the srcRect
* ClipRect(&srcRect);
*/
+
GetPortBounds(dstPort,&clpRect);
dstPtr = &srcRect;
ClipRect(&clpRect);
}
- if (!gc->clip_mask ) {
+ if (!gc->clip_mask) {
} else if (((TkpClipMask*)gc->clip_mask)->type == TKP_CLIP_REGION) {
RgnHandle clipRgn = (RgnHandle)
- ((TkpClipMask*)gc->clip_mask)->value.region;
+ ((TkpClipMask*)gc->clip_mask)->value.region;
int xOffset, yOffset;
if (tmpRgn == NULL) {
@@ -170,8 +204,8 @@ XCopyArea(
OffsetRgn(clipRgn, -xOffset, -yOffset);
}
}
- srcBit = GetPortBitMapForCopyBits( srcPort );
- dstBit = GetPortBitMapForCopyBits( dstPort );
+ srcBit = GetPortBitMapForCopyBits(srcPort);
+ dstBit = GetPortBitMapForCopyBits(dstPort);
tmode = srcCopy;
CopyBits(srcBit, dstBit, srcPtr, dstPtr, tmode, NULL);
@@ -225,7 +259,7 @@ XCopyPlane(
CGrafPtr saveWorld;
GDHandle saveDevice;
RGBColor macColor;
- TkpClipMask *clipPtr = (TkpClipMask*)gc->clip_mask;
+ TkpClipMask *clipPtr = (TkpClipMask *) gc->clip_mask;
short tmode;
srcPort = TkMacOSXGetDrawablePort(src);
@@ -241,8 +275,8 @@ XCopyPlane(
TkMacOSXSetUpClippingRgn(dst);
- srcBit = GetPortBitMapForCopyBits ( srcPort );
- dstBit = GetPortBitMapForCopyBits ( dstPort );
+ srcBit = GetPortBitMapForCopyBits(srcPort);
+ dstBit = GetPortBitMapForCopyBits(dstPort);
SetRect(&srcRect, (short) (srcDraw->xOff + src_x),
(short) (srcDraw->yOff + src_y),
(short) (srcDraw->xOff + src_x + width),
@@ -255,6 +289,7 @@ XCopyPlane(
* clipping for color bitmaps.
* To circumvent this problem, we clip to the whole window
*/
+
Rect clpRect;
GetPortBounds(dstPort,&clpRect);
ClipRect(&clpRect);
@@ -262,9 +297,9 @@ XCopyPlane(
} else {
dstPtr = &dstRect;
SetRect(&dstRect, (short) (dstDraw->xOff + dest_x),
- (short) (dstDraw->yOff + dest_y),
- (short) (dstDraw->xOff + dest_x + width),
- (short) (dstDraw->yOff + dest_y + height));
+ (short) (dstDraw->yOff + dest_y),
+ (short) (dstDraw->xOff + dest_x + width),
+ (short) (dstDraw->yOff + dest_y + height));
}
tmode = srcOr;
tmode = srcCopy + transparent;
@@ -274,10 +309,10 @@ XCopyPlane(
}
if (clipPtr == NULL || clipPtr->type == TKP_CLIP_REGION) {
-
/*
* Case 1: opaque bitmaps.
*/
+
TkSetMacColor(gc->background, &macColor);
RGBBackColor(&macColor);
tmode = srcCopy;
@@ -289,6 +324,7 @@ XCopyPlane(
* Case 2: transparent bitmaps. If it's color we ignore
* the forecolor.
*/
+
pm = GetPortPixMap(srcPort);
if (GetPixDepth(pm) == 1) {
tmode = srcOr;
@@ -300,9 +336,10 @@ XCopyPlane(
/*
* Case 3: two arbitrary bitmaps.
*/
+
tmode = srcCopy;
mskPort = TkMacOSXGetDrawablePort(clipPtr->value.pixmap);
- mskBit = GetPortBitMapForCopyBits ( mskPort );
+ mskBit = GetPortBitMapForCopyBits(mskPort);
CopyDeepMask(srcBit, mskBit, dstBit,
srcPtr, srcPtr, dstPtr, tmode, NULL);
}
@@ -368,7 +405,7 @@ TkPutImage(
/* Image from XGetImage, copy from containing GWorld directly */
GWorldPtr srcPort = TkMacOSXGetDrawablePort((Drawable)image->obdata);
CopyBits(GetPortBitMapForCopyBits(srcPort),
- GetPortBitMapForCopyBits (destPort),
+ GetPortBitMapForCopyBits(destPort),
&srcRect, &destRect, srcCopy, NULL);
} else if (image->depth == 1) {
@@ -403,12 +440,15 @@ TkPutImage(
bitmap.baseAddr = newData;
bitmap.rowBytes = image->bytes_per_line;
}
- destBits = GetPortBitMapForCopyBits ( destPort );
+ destBits = GetPortBitMapForCopyBits(destPort);
CopyBits(&bitmap, destBits,
&srcRect, &destRect, srcCopy, NULL);
} else {
- /* Color image */
+ /*
+ * Color image
+ */
+
PixMap pixmap;
pixmap.bounds.left = 0;
@@ -430,7 +470,7 @@ TkPutImage(
pixmap.baseAddr = image->data;
pixmap.rowBytes = image->bytes_per_line | 0x8000;
- CopyBits((BitMap *) &pixmap, GetPortBitMapForCopyBits ( destPort ),
+ CopyBits((BitMap *) &pixmap, GetPortBitMapForCopyBits(destPort),
&srcRect, &destRect, srcCopy, NULL);
}
@@ -477,15 +517,31 @@ XFillRectangles(
SetGWorld(destPort, NULL);
TkMacOSXSetUpClippingRgn(d);
+ if (useCGDrawing) {
+ CGContextRef outContext;
+ CGRect rect;
+
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ for (i = 0; i < n_rectangles; i++) {
+ rect = CGRectMake((float)(macWin->xOff + rectangles[i].x),
+ (float)(macWin->yOff + rectangles[i].y),
+ (float)rectangles[i].width,
+ (float)rectangles[i].height);
+
+ CGContextFillRect(outContext, rect);
+ }
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
- for (i = 0; i < n_rectangles; i++) {
- theRect.left = (short) (macWin->xOff + rectangles[i].x);
- theRect.top = (short) (macWin->yOff + rectangles[i].y);
- theRect.right = (short) (theRect.left + rectangles[i].width);
- theRect.bottom = (short) (theRect.top + rectangles[i].height);
- FillCRect(&theRect, gPenPat);
+ for (i = 0; i < n_rectangles; i++) {
+ theRect.left = (short) (macWin->xOff + rectangles[i].x);
+ theRect.top = (short) (macWin->yOff + rectangles[i].y);
+ theRect.right = (short) (theRect.left + rectangles[i].width);
+ theRect.bottom = (short) (theRect.top + rectangles[i].height);
+ FillCRect(&theRect, gPenPat);
+ }
}
SetGWorld(saveWorld, saveDevice);
@@ -539,13 +595,18 @@ XDrawLines(
TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
CGContextBeginPath(outContext);
- CGContextMoveToPoint(outContext, (float) points[0].x,
- (float) points[0].y);
- if (mode == CoordModeOrigin) {
- for (i = 1; i < npoints; i++) {
+ CGContextMoveToPoint(outContext, (float)(macWin->xOff + points[0].x),
+ (float)(macWin->yOff + points[0].y));
+
+ for (i = 1; i < npoints; i++) {
+ if(mode==CoordModeOrigin) {
CGContextAddLineToPoint(outContext,
- (float) points[i].x,
- (float) points[i].y);
+ (float) (macWin->xOff + points[i].x),
+ (float) (macWin->yOff + points[i].y));
+ } else {
+ CGContextAddLineToPoint(outContext,
+ (float)(macWin->xOff + points[i].x),
+ (float)(macWin->yOff + points[i].y));
}
}
@@ -585,7 +646,7 @@ XDrawLines(
* None.
*
* Side effects:
- * Renders a series of connected lines.
+ * Renders a series of unconnected lines.
*
*----------------------------------------------------------------------
*/
@@ -617,16 +678,17 @@ void XDrawSegments(
TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
- CGContextBeginPath(outContext);
for (i = 0; i < nsegments; i++) {
+ CGContextBeginPath(outContext);
CGContextMoveToPoint(outContext,
- (float) segments[i].x1,
- (float) segments[i].y1);
+ (float)(macWin->xOff + segments[i].x1),
+ (float)(macWin->yOff + segments[i].y1));
CGContextAddLineToPoint (outContext,
- (float) segments[i].x2,
- (float) segments[i].y2);
+ (float)(macWin->xOff + segments[i].x2),
+ (float)(macWin->yOff + segments[i].y2));
+ CGContextStrokePath(outContext);
+
}
- CGContextStrokePath(outContext);
TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
} else {
TkMacOSXSetUpGraphicsPort(gc, destPort);
@@ -693,18 +755,20 @@ XFillPolygon(
TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
CGContextBeginPath(outContext);
- CGContextMoveToPoint(outContext, (float) (points[0].x),
- (float) (points[0].y));
+ CGContextMoveToPoint(outContext, (float) (macWin->xOff + points[0].x),
+ (float) (macWin->yOff + points[0].y));
for (i = 1; i < npoints; i++) {
if (mode == CoordModePrevious) {
- CGContextAddLineToPoint(outContext, (float) points[i].x,
+ CGContextAddLineToPoint(outContext, (float)points[i].x,
(float) points[i].y);
} else {
+ CGContextAddLineToPoint(outContext,
+ (float)(macWin->xOff + points[i].x),
+ (float)(macWin->yOff + points[i].y));
}
}
- //CGContextStrokePath(outContext);
- CGContextFillPath(outContext);
+ CGContextEOFillPath(outContext);
TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
} else {
TkMacOSXSetUpGraphicsPort(gc, destPort);
@@ -772,19 +836,31 @@ XDrawRectangle(
SetGWorld(destPort, NULL);
TkMacOSXSetUpClippingRgn(d);
+ if (useCGDrawing) {
+ CGContextRef outContext;
+ CGRect rect;
+
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ rect = CGRectMake((float) ((float) macWin->xOff + (float) x),
+ (float) ((float) macWin->yOff + (float) y),
+ (float) width,
+ (float) height);
+ CGContextStrokeRect(outContext, rect);
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
- theRect.left = (short) (macWin->xOff + x);
- theRect.top = (short) (macWin->yOff + y);
- theRect.right = (short) (theRect.left + width);
- theRect.bottom = (short) (theRect.top + height);
+ theRect.left = (short) (macWin->xOff + x);
+ theRect.top = (short) (macWin->yOff + y);
+ theRect.right = (short) (theRect.left + width);
+ theRect.bottom = (short) (theRect.top + height);
- ShowPen();
- PenPixPat(gPenPat);
- FrameRect(&theRect);
- HidePen();
-
+ ShowPen();
+ PenPixPat(gPenPat);
+ FrameRect(&theRect);
+ HidePen();
+ }
SetGWorld(saveWorld, saveDevice);
}
@@ -823,7 +899,7 @@ XDrawRectangles(
int nRects)
{
MacDrawable *macWin = (MacDrawable *) drawable;
- Rect rect;
+ Rect theRect;
CGrafPtr saveWorld;
GDHandle saveDevice;
GWorldPtr destPort;
@@ -838,21 +914,36 @@ XDrawRectangles(
TkMacOSXSetUpClippingRgn(drawable);
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ if (useCGDrawing) {
+ CGContextRef outContext;
+ CGRect rect;
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
- ShowPen();
- PenPixPat(gPenPat);
+ for (i = 0, rectPtr = rectArr; i < nRects; i++, rectPtr++) {
+ rect = CGRectMake((float) ((float) macWin->xOff
+ + (float) rectPtr->x),
+ (float) ((float) macWin->yOff + (float) rectPtr->y),
+ (float) rectPtr->width,
+ (float) rectPtr->height);
+ CGContextStrokeRect(outContext, rect);
+ }
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
- for (i = 0, rectPtr = rectArr; i < nRects;i++, rectPtr++ ) {
- rect.left = (short) (macWin->xOff + rectPtr->x);
- rect.top = (short) (macWin->yOff + rectPtr->y);
- rect.right = (short) (rect.left + rectPtr->width);
- rect.bottom = (short) (rect.top + rectPtr->height);
- FrameRect(&rect);
- }
- HidePen();
+ ShowPen();
+ PenPixPat(gPenPat);
+ for (i = 0, rectPtr = rectArr; i < nRects;i++, rectPtr++) {
+ theRect.left = (short) (macWin->xOff + rectPtr->x);
+ theRect.top = (short) (macWin->yOff + rectPtr->y);
+ theRect.right = (short) (theRect.left + rectPtr->width);
+ theRect.bottom = (short) (theRect.top + rectPtr->height);
+ FrameRect(&theRect);
+ }
+ HidePen();
+ }
SetGWorld(saveWorld, saveDevice);
}
@@ -890,10 +981,6 @@ XDrawArc(
CGrafPtr saveWorld;
GDHandle saveDevice;
GWorldPtr destPort;
- float fX = (float) x,
- fY = (float) y,
- fWidth = (float) width,
- fHeight = (float) height;
if (width == 0 || height == 0) {
return;
@@ -909,13 +996,20 @@ XDrawArc(
if (useCGDrawing) {
CGContextRef outContext;
- CGAffineTransform transform;
- int clockwise = angle1 ? 0 : 1;
+ CGRect boundingRect;
+ int clockwise;
+ float a,b;
+ CGPoint center;
+ float arc1, arc2;
+
+ if (angle2 > 0) {
+ clockwise = 1;
+ } else {
+ clockwise = 0;
+ }
TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
- CGContextBeginPath(outContext);
-
/*
* If we are drawing an oval, we have to squash the coordinate
* system before drawing, since CGContextAddArcToPoint only draws
@@ -923,17 +1017,24 @@ XDrawArc(
*/
CGContextSaveGState(outContext);
- transform = CGAffineTransformMakeTranslation((float) (x + width/2),
- (float) (y + height/2));
- transform = CGAffineTransformScale(transform, 1.0, fHeight/fWidth);
- CGContextConcatCTM(outContext, transform);
-
- CGContextAddArc(outContext, 0.0, 0.0,
- (float) width/2,
- (float) angle1, (float) angle2, clockwise);
-
- CGContextRestoreGState(outContext);
-
+ boundingRect = CGRectMake( (float)(macWin->xOff + x),
+ (float)(macWin->yOff + y),
+ (float)(width),
+ (float)(height));
+
+ center = CGPointMake(CGRectGetMidX(boundingRect),
+ CGRectGetMidY(boundingRect));
+ a = CGRectGetWidth(boundingRect)/2;
+ b = CGRectGetHeight(boundingRect)/2;
+
+ CGContextTranslateCTM(outContext, center.x, center.y);
+ CGContextBeginPath(outContext);
+ CGContextScaleCTM(outContext, a, b);
+ arc1 = radians(-(angle1/64));
+ arc2 = radians(-(angle2/64)) + arc1;
+ CGContextAddArc(outContext, 0.0, 0.0, 1, arc1, arc2, clockwise);
+
+ CGContextRestoreGState(outContext);
CGContextStrokePath(outContext);
TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
} else {
@@ -1003,23 +1104,66 @@ XDrawArcs(
SetGWorld(destPort, NULL);
TkMacOSXSetUpClippingRgn(d);
+ if (useCGDrawing) {
+ CGContextRef outContext;
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
+ for (i=0, arcPtr = arcArr; i < nArcs; i++, arcPtr++) {
+ CGRect boundingRect;
+ int clockwise;
+ float a,b, arc1, arc2;
+ CGPoint center;
+
+ if (arcPtr[i].angle2 > 0) {
+ clockwise = 1;
+ } else {
+ clockwise = 0;
+ }
- ShowPen();
- PenPixPat(gPenPat);
- for (i = 0, arcPtr = arcArr;i < nArcs;i++, arcPtr++ ) {
- rect.left = (short) (macWin->xOff + arcPtr->x);
- rect.top = (short) (macWin->yOff + arcPtr->y);
- rect.right = (short) (rect.left + arcPtr->width);
- rect.bottom = (short) (rect.top + arcPtr->height);
- start = (short) (90 - (arcPtr->angle1 / 64));
- extent = (short) (-(arcPtr->angle2 / 64));
- FrameArc(&rect, start, extent);
- }
- HidePen();
+ /*
+ * If we are drawing an oval, we have to squash the coordinate
+ * system before drawing, since CGContextAddArcToPoint only draws
+ * circles.
+ */
+ CGContextSaveGState(outContext);
+ CGContextBeginPath(outContext);
+ boundingRect = CGRectMake( (float)(macWin->xOff + arcPtr[i].x),
+ (float)(macWin->yOff + arcPtr[i].y),
+ (float)arcPtr[i].width,
+ (float)arcPtr[i].height);
+
+ center = CGPointMake(CGRectGetMidX(boundingRect),
+ CGRectGetMidY(boundingRect));
+ a = CGRectGetWidth(boundingRect)/2;
+ b = CGRectGetHeight(boundingRect)/2;
+
+ CGContextTranslateCTM(outContext, center.x, center.y);
+ CGContextScaleCTM(outContext, a, b);
+ arc1 = radians(-(arcPtr[i].angle1/64));
+ arc2 = radians(-(arcPtr[i].angle2/64)) + arc1;
+ CGContextAddArc(outContext, 0.0, 0.0, 1, arc1, arc2, clockwise);
+ CGContextRestoreGState(outContext);
+ CGContextStrokePath(outContext);
+ }
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
+
+ ShowPen();
+ PenPixPat(gPenPat);
+ for (i = 0, arcPtr = arcArr;i < nArcs;i++, arcPtr++) {
+ rect.left = (short) (macWin->xOff + arcPtr->x);
+ rect.top = (short) (macWin->yOff + arcPtr->y);
+ rect.right = (short) (rect.left + arcPtr->width);
+ rect.bottom = (short) (rect.top + arcPtr->height);
+ start = (short) (90 - (arcPtr->angle1 / 64));
+ extent = (short) (-(arcPtr->angle2 / 64));
+ FrameArc(&rect, start, extent);
+ }
+ HidePen();
+ }
SetGWorld(saveWorld, saveDevice);
}
@@ -1070,16 +1214,65 @@ XFillArc(
TkMacOSXSetUpClippingRgn(d);
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ if (useCGDrawing) {
+ CGContextRef outContext;
+ CGRect boundingRect;
+ int clockwise;
+ float a,b;
+ CGPoint center;
+
+ if (angle2 > 0) {
+ clockwise = 1;
+ } else {
+ clockwise = 0;
+ }
+
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
+
+ boundingRect = CGRectMake((float) (macWin->xOff + x),
+ (float) (macWin->yOff + y),
+ (float) width,
+ (float) height);
+ center = CGPointMake(CGRectGetMidX(boundingRect),
+ CGRectGetMidY(boundingRect));
+ a = CGRectGetWidth(boundingRect)/2;
+ b = CGRectGetHeight(boundingRect)/2;
+
+ if (gc->arc_mode == ArcChord) {
+ float arc1, arc2;
+
+ CGContextBeginPath(outContext);
+ CGContextTranslateCTM(outContext, center.x, center.y);
+ CGContextScaleCTM(outContext, a, b);
+ arc1 = radians(-(angle1/64));
+ arc2 = radians(-(angle2/64)) + arc1;
+ CGContextAddArc(outContext, 0.0, 0.0, 1, arc1, arc2, clockwise);
+ CGContextFillPath(outContext);
+ } else if (gc->arc_mode == ArcPieSlice) {
+ float arc1, arc2;
+
+ CGContextTranslateCTM(outContext, center.x, center.y);
+ CGContextScaleCTM(outContext,a,b);
+ arc1 = radians(-(angle1/64));
+ arc2 = radians(-(angle2/64)) + arc1;
+ CGContextAddArc(outContext, 0.0, 0.0, 1, arc1, arc2, clockwise);
+ CGContextAddLineToPoint(outContext, 0.0f, 0.0f);
+ CGContextClosePath(outContext);
+ CGContextFillPath(outContext);
+ }
+
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
- theRect.left = (short) (macWin->xOff + x);
- theRect.top = (short) (macWin->yOff + y);
- theRect.right = (short) (theRect.left + width);
- theRect.bottom = (short) (theRect.top + height);
- start = (short) (90 - (angle1 / 64));
- extent = (short) (- (angle2 / 64));
+ theRect.left = (short) (macWin->xOff + x);
+ theRect.top = (short) (macWin->yOff + y);
+ theRect.right = (short) (theRect.left + width);
+ theRect.bottom = (short) (theRect.top + height);
+ start = (short) (90 - (angle1 / 64));
+ extent = (short) (- (angle2 / 64));
- if (gc->arc_mode == ArcChord) {
+ if (gc->arc_mode == ArcChord) {
boxWidth = theRect.right - theRect.left;
boxHeight = theRect.bottom - theRect.top;
angle = -(angle1/64.0)*PI/180.0;
@@ -1095,26 +1288,26 @@ XFillArc(
center2[0] = vertex[0] + cos2*boxWidth/2.0;
center2[1] = vertex[1] + sin2*boxHeight/2.0;
- polygon = OpenPoly();
- MoveTo((short) ((theRect.left + theRect.right)/2),
- (short) ((theRect.top + theRect.bottom)/2));
+ polygon = OpenPoly();
+ MoveTo((short) ((theRect.left + theRect.right)/2),
+ (short) ((theRect.top + theRect.bottom)/2));
- LineTo((short) (center1[0] + 0.5), (short) (center1[1] + 0.5));
- LineTo((short) (center2[0] + 0.5), (short) (center2[1] + 0.5));
- ClosePoly();
+ LineTo((short) (center1[0] + 0.5), (short) (center1[1] + 0.5));
+ LineTo((short) (center2[0] + 0.5), (short) (center2[1] + 0.5));
+ ClosePoly();
- ShowPen();
- FillCArc(&theRect, start, extent, gPenPat);
- FillCPoly(polygon, gPenPat);
- HidePen();
+ ShowPen();
+ FillCArc(&theRect, start, extent, gPenPat);
+ FillCPoly(polygon, gPenPat);
+ HidePen();
- KillPoly(polygon);
- } else {
- ShowPen();
- FillCArc(&theRect, start, extent, gPenPat);
- HidePen();
+ KillPoly(polygon);
+ } else {
+ ShowPen();
+ FillCArc(&theRect, start, extent, gPenPat);
+ HidePen();
+ }
}
-
SetGWorld(saveWorld, saveDevice);
}
@@ -1162,50 +1355,139 @@ XFillArcs(
TkMacOSXSetUpClippingRgn(d);
- TkMacOSXSetUpGraphicsPort(gc, destPort);
+ if (useCGDrawing) {
+ CGContextRef outContext;
+
+ TkMacOSXSetUpCGContext(macWin, destPort, gc, &outContext);
+ for (i = 0, arcPtr = arcArr; i < nArcs; i++, arcPtr++) {
+ CGRect boundingRect;
+ int clockwise = arcPtr[i].angle1;
+ float a,b;
+ CGPoint center;
+
+ if (arcPtr[i].angle2 > 0) {
+ clockwise = 1;
+ } else {
+ clockwise = 0;
+ }
- for (i = 0, arcPtr = arcArr;i<nArcs;i++, arcPtr++ ) {
- rect.left = (short) (macWin->xOff + arcPtr->x);
- rect.top = (short) (macWin->yOff + arcPtr->y);
- rect.right = (short) (rect.left + arcPtr->width);
- rect.bottom = (short) (rect.top + arcPtr->height);
- start = (short) (90 - (arcPtr->angle1 / 64));
- extent = (short) (- (arcPtr->angle2 / 64));
+ /*
+ * If we are drawing an oval, we have to squash the coordinate
+ * system before drawing, since CGContextAddArcToPoint only draws
+ * circles.
+ */
+
+ if (gc->arc_mode == ArcChord) {
+
+ CGContextBeginPath(outContext);
+ boundingRect = CGRectMake((float)(macWin->xOff + arcPtr[i].x),
+ (float)(macWin->yOff + arcPtr[i].y),
+ (float)arcPtr[i].width,
+ (float)arcPtr[i].height);
+ center = CGPointMake(CGRectGetMidX(boundingRect),
+ CGRectGetMidY(boundingRect));
+ a = CGRectGetWidth(boundingRect)/2.0;
+ b = CGRectGetHeight(boundingRect)/2.0;
+
+ angle = -(arcPtr->angle1/64.0)*PI/180.0;
+ sin1 = sin(angle);
+ cos1 = cos(angle);
+ angle -= (arcPtr->angle2/64.0)*PI/180.0;
+ sin2 = sin(angle);
+ cos2 = cos(angle);
+ vertex[0] = (CGRectGetMinX(boundingRect)
+ + CGRectGetMaxX(boundingRect))/2.0;
+ vertex[1] = (CGRectGetMaxY(boundingRect)
+ + CGRectGetMinY(boundingRect))/2.0;
+ center1[0] = vertex[0] + cos1*a;
+ center1[1] = vertex[1] + sin1*b;
+ center2[0] = vertex[0] + cos2*a;
+ center2[1] = vertex[1] + sin2*b;
+
+ CGContextScaleCTM(outContext, a, b);
+
+ CGContextBeginPath(outContext);
+ CGContextMoveToPoint(outContext, (float) vertex[0],
+ (float) vertex[1]);
+ CGContextAddLineToPoint(outContext,
+ (float) (center1[0] + 0.5),
+ (float) (center1[1] + 0.5));
+ CGContextAddLineToPoint(outContext,
+ (float) (center2[0] + 0.5),
+ (float) (center2[1] + 0.5));
+ CGContextFillPath(outContext);
+ } else if (gc->arc_mode == ArcPieSlice) {
+ float arc1, arc2;
+ CGContextBeginPath(outContext);
+ boundingRect = CGRectMake((float)(macWin->xOff + arcPtr[i].x),
+ (float)(macWin->yOff + arcPtr[i].y),
+ (float)arcPtr[i].width,
+ (float)arcPtr[i].height);
+ center = CGPointMake(CGRectGetMidX(boundingRect),
+ CGRectGetMidY(boundingRect));
+ a = CGRectGetWidth(boundingRect)/2;
+ b = CGRectGetHeight(boundingRect)/2;
+
+ CGContextTranslateCTM(outContext, center.x, center.y);
+ CGContextScaleCTM(outContext, a, b);
+ arc1 = radians(-(arcPtr[i].angle1/64));
+ arc2 = radians(-(arcPtr[i].angle2/64)) + arc1;
+ CGContextAddArc(outContext, 0.0, 0.0, 1,
+ arc1, arc2, clockwise);
+ CGContextAddLineToPoint(outContext, 0.0f, 0.0f);
+ CGContextClosePath(outContext);
+ CGContextFillPath(outContext);
+ }
+ }
+
+ TkMacOSXReleaseCGContext(macWin, destPort, &outContext);
+ } else {
+
+ TkMacOSXSetUpGraphicsPort(gc, destPort);
- if (gc->arc_mode == ArcChord) {
- boxWidth = rect.right - rect.left;
- boxHeight = rect.bottom - rect.top;
- angle = -(arcPtr->angle1/64.0)*PI/180.0;
- sin1 = sin(angle);
- cos1 = cos(angle);
- angle -= (arcPtr->angle2/64.0)*PI/180.0;
- sin2 = sin(angle);
- cos2 = cos(angle);
- vertex[0] = (rect.left + rect.right)/2.0;
- vertex[1] = (rect.top + rect.bottom)/2.0;
- center1[0] = vertex[0] + cos1*boxWidth/2.0;
- center1[1] = vertex[1] + sin1*boxHeight/2.0;
- center2[0] = vertex[0] + cos2*boxWidth/2.0;
- center2[1] = vertex[1] + sin2*boxHeight/2.0;
+ for (i = 0, arcPtr = arcArr;i<nArcs;i++, arcPtr++) {
+ rect.left = (short) (macWin->xOff + arcPtr->x);
+ rect.top = (short) (macWin->yOff + arcPtr->y);
+ rect.right = (short) (rect.left + arcPtr->width);
+ rect.bottom = (short) (rect.top + arcPtr->height);
+ start = (short) (90 - (arcPtr->angle1 / 64));
+ extent = (short) (- (arcPtr->angle2 / 64));
+
+ if (gc->arc_mode == ArcChord) {
+ boxWidth = rect.right - rect.left;
+ boxHeight = rect.bottom - rect.top;
+ angle = -(arcPtr->angle1/64.0)*PI/180.0;
+ sin1 = sin(angle);
+ cos1 = cos(angle);
+ angle -= (arcPtr->angle2/64.0)*PI/180.0;
+ sin2 = sin(angle);
+ cos2 = cos(angle);
+ vertex[0] = (rect.left + rect.right)/2.0;
+ vertex[1] = (rect.top + rect.bottom)/2.0;
+ center1[0] = vertex[0] + cos1*boxWidth/2.0;
+ center1[1] = vertex[1] + sin1*boxHeight/2.0;
+ center2[0] = vertex[0] + cos2*boxWidth/2.0;
+ center2[1] = vertex[1] + sin2*boxHeight/2.0;
- polygon = OpenPoly();
- MoveTo((short) ((rect.left + rect.right)/2),
- (short) ((rect.top + rect.bottom)/2));
+ polygon = OpenPoly();
+ MoveTo((short) ((rect.left + rect.right)/2),
+ (short) ((rect.top + rect.bottom)/2));
- LineTo((short) (center1[0] + 0.5), (short) (center1[1] + 0.5));
- LineTo((short) (center2[0] + 0.5), (short) (center2[1] + 0.5));
- ClosePoly();
+ LineTo((short) (center1[0] + 0.5), (short) (center1[1] + 0.5));
+ LineTo((short) (center2[0] + 0.5), (short) (center2[1] + 0.5));
+ ClosePoly();
- ShowPen();
- FillCArc(&rect, start, extent, gPenPat);
- FillCPoly(polygon, gPenPat);
- HidePen();
+ ShowPen();
+ FillCArc(&rect, start, extent, gPenPat);
+ FillCPoly(polygon, gPenPat);
+ HidePen();
- KillPoly(polygon);
- } else {
- ShowPen();
- FillCArc(&rect, start, extent, gPenPat);
- HidePen();
+ KillPoly(polygon);
+ } else {
+ ShowPen();
+ FillCArc(&rect, start, extent, gPenPat);
+ HidePen();
+ }
}
}
SetGWorld(saveWorld, saveDevice);
@@ -1389,7 +1671,6 @@ TkMacOSXSetUpGraphicsPort(
PenSize(gc->line_width, gc->line_width);
}
if (gc->line_style != LineSolid) {
- unsigned char *p = (unsigned char *) &(gc->dashes);
/*
* Here the dash pattern should be set in the drawing,
* environment, but I don't know how to do that for the Mac.
@@ -1408,9 +1689,9 @@ TkMacOSXSetUpGraphicsPort(
* url: http://purl.oclc.org/net/nijtmans/
*
* FIXME:
- * This is not possible with QuickDraw line drawing, we either
- * have to convert all line drawings to regions, or, on Mac OS X
- * we can use CG to draw our lines instead of QuickDraw.
+ * This is not possible with QuickDraw line drawing. As of
+ * Tk 8.4.7 we have a complete set of drawing routines using
+ * CG, so there is no reason to support this here.
*/
}
}
@@ -1441,43 +1722,54 @@ TkMacOSXSetUpCGContext(
CGContextRef outContext;
OSStatus err;
Rect boundsRect;
- CGAffineTransform coordsTransform;
+ CGAffineTransform coordsTransform;
+ static RgnHandle clipRgn = NULL;
err = QDBeginCGContext(destPort, contextPtr);
outContext = *contextPtr;
-
- CGContextSaveGState(outContext);
-
+
+ /*
+ * 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
+ * the clip back out of there. If we use the macWin->clipRgn
+ * directly at this point, we get some odd drawing effects.
+ *
+ * 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();
+ }
+
GetPortBounds(destPort, &boundsRect);
- CGContextResetCTM(outContext);
- coordsTransform = CGAffineTransformMake(1.0, 0.0, 0.0, -1.0, 0,
- (float)(boundsRect.bottom - boundsRect.top));
- CGContextConcatCTM(outContext, coordsTransform);
+ RectRgn(clipRgn, &boundsRect);
+ SectRegionWithPortClipRegion(destPort, clipRgn);
+ SectRegionWithPortVisibleRegion(destPort, clipRgn);
+ ClipCGContextToRegion(outContext, &boundsRect, clipRgn);
+ SetEmptyRgn(clipRgn);
- if (macWin->clipRgn != NULL) {
- ClipCGContextToRegion(outContext, &boundsRect, macWin->clipRgn);
- } else {
- RgnHandle clipRgn = NewRgn();
- GetPortClipRegion(destPort, clipRgn);
- ClipCGContextToRegion(outContext, &boundsRect,
- clipRgn);
- DisposeRgn(clipRgn);
- }
+ /*
+ * Note: You have to call SyncCGContextOriginWithPort
+ * AFTER all the clip region manipulations.
+ */
+
+ SyncCGContextOriginWithPort(outContext, destPort);
- /* Now offset the CTM to the subwindow offset */
+ coordsTransform = CGAffineTransformMake(1.0f, 0.0f, 0.0f, -1.0f, 0.0f,
+ (float) (boundsRect.bottom - boundsRect.top));
+ CGContextConcatCTM(outContext, coordsTransform);
- CGContextTranslateCTM(outContext, macWin->xOff, macWin->yOff);
+ /* Now offset the CTM to the subwindow offset */
if (TkSetMacColor(gc->foreground, &macColor) == true) {
- CGContextSetRGBStrokeColor(outContext, RGBFLOATRED(macColor),
- RGBFLOATGREEN(macColor),
- RGBFLOATBLUE(macColor), 1.0);
- }
- if (TkSetMacColor(gc->background, &macColor) == true) {
CGContextSetRGBFillColor(outContext, RGBFLOATRED(macColor),
- RGBFLOATGREEN(macColor),
- RGBFLOATBLUE(macColor), 1.0);
+ RGBFLOATGREEN(macColor),
+ RGBFLOATBLUE(macColor), 1.0f);
+ CGContextSetRGBStrokeColor(outContext, RGBFLOATRED(macColor),
+ RGBFLOATGREEN(macColor),
+ RGBFLOATBLUE(macColor), 1.0f);
}
if(gc->function == GXxor) {
@@ -1485,30 +1777,44 @@ TkMacOSXSetUpCGContext(
CGContextSetLineWidth(outContext, (float) gc->line_width);
- if (gc->line_style != LineSolid) {
- unsigned char *p = (unsigned char *) &(gc->dashes);
+ /* When should we antialias? */
+ if (gc->line_width < tkMacOSXCGAntiAliasLimit) {
+ CGContextSetShouldAntialias(outContext, 0);
+ } else {
+ CGContextSetShouldAntialias(outContext, 1);
+ }
+
+ 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);
+ }
+
+ if (gc->cap_style == CapButt) {
/*
- * Here the dash pattern should be set in the drawing,
- * environment, but I don't know how to do that for the Mac.
- *
- * p[] is an array of unsigned chars containing the dash list.
- * A '\0' indicates the end of this list.
- *
- * Someone knows how to implement this? If you have a more
- * complete implementation of SetUpGraphicsPort() for
- * the Mac (or for Windows), please let me know.
- *
- * Jan Nijtmans
- * CMG Arnhem, B.V.
- * email: j.nijtmans@chello.nl (private)
- * jan.nijtmans@cmg.nl (work)
- * url: http://purl.oclc.org/net/nijtmans/
- *
- * FIXME:
- * This is not possible with QuickDraw line drawing, we either
- * have to convert all line drawings to regions, or, on Mac OS X
- * we can use CG to draw our lines instead of QuickDraw.
+ * What about CapNotLast, CapProjecting?
*/
+
+ CGContextSetLineCap(outContext, kCGLineCapButt);
+ } else if (gc->cap_style == CapRound) {
+ CGContextSetLineCap(outContext, kCGLineCapRound);
+ } else if (gc->cap_style == CapProjecting) {
+ CGContextSetLineCap(outContext, kCGLineCapSquare);
+ }
+
+ if (gc->join_style == JoinMiter) {
+ CGContextSetLineJoin(outContext, kCGLineJoinMiter);
+ } else if (gc->join_style == JoinRound) {
+ CGContextSetLineJoin(outContext, kCGLineJoinRound);
+ } else if (gc->join_style == JoinBevel) {
+ CGContextSetLineJoin(outContext, kCGLineJoinBevel);
}
}
@@ -1518,10 +1824,8 @@ TkMacOSXReleaseCGContext(
CGrafPtr destPort,
CGContextRef *outContext)
{
- CGContextResetCTM(*outContext);
- CGContextRestoreGState(*outContext);
+ CGContextSynchronize(*outContext);
QDEndCGContext(destPort, outContext);
-
}
/*
@@ -1617,7 +1921,7 @@ TkMacOSXMakeStippleMap(
destPort = TkMacOSXGetDrawablePort(drawable);
- GetPortBounds ( destPort, &portRect );
+ GetPortBounds (destPort, &portRect);
width = portRect.right - portRect.left;
height = portRect.bottom - portRect.top;
@@ -1640,7 +1944,7 @@ TkMacOSXMakeStippleMap(
bounds.right = j + stippleWidth;
bounds.bottom = i + stippleHeight;
- CopyBits(GetPortBitMapForCopyBits ( destPort ), bitmapPtr,
+ CopyBits(GetPortBitMapForCopyBits(destPort), bitmapPtr,
&portRect, &bounds, srcCopy, NULL);
}
}
@@ -1716,7 +2020,8 @@ TkpDrawHighlightBorder (
} else {
TkDrawInsetFocusHighlight (tkwin, bgGC, highlightWidth, drawable, 0);
if (fgGC != bgGC) {
- TkDrawInsetFocusHighlight (tkwin, fgGC, highlightWidth - 1, drawable, 0);
+ TkDrawInsetFocusHighlight (tkwin, fgGC, highlightWidth - 1,
+ drawable, 0);
}
}
}
generated by cgit v0.12 at 2024-11-02 22:18:07 (GMT)