//-----------------------------------------------------------------------------
void CGDrawContext::lineTo (const CPoint& point)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
applyLineStyle (context);
if ((((int32_t)currentState.frameWidth) % 2))
CGContextTranslateCTM (context, 0.5f, -0.5f);
CGContextBeginPath (context);
if (currentState.drawMode.integralMode ())
{
CGContextMoveToPoint (context, round (currentState.penLoc.h), round (currentState.penLoc.v));
CGContextAddLineToPoint (context, round (point.h), round (point.v));
}
else
{
CGContextMoveToPoint (context, currentState.penLoc.h, currentState.penLoc.v);
CGContextAddLineToPoint (context, point.h, point.v);
}
CGContextDrawPath (context, kCGPathStroke);
releaseCGContext (context);
}
currentState.penLoc = point;
}
void structGraphicsScreen :: v_fillArea (long numberOfPoints, double *xyDC) {
#if cairo
if (our d_cairoGraphicsContext == NULL) return;
// cairo_new_path (our d_cairoGraphicsContext); // move_to() automatically creates a new path
cairo_move_to (our d_cairoGraphicsContext, xyDC [0], xyDC [1]);
for (long i = 1; i < numberOfPoints; i ++)
cairo_line_to (our d_cairoGraphicsContext, xyDC [i + i], xyDC [i + i + 1]);
cairo_close_path (our d_cairoGraphicsContext);
cairo_fill (our d_cairoGraphicsContext);
#elif win
MY_BRUSH
BeginPath (our d_gdiGraphicsContext);
MoveToEx (our d_gdiGraphicsContext, xyDC [0], xyDC [1], NULL);
for (long i = 1; i < numberOfPoints; i ++)
LineTo (our d_gdiGraphicsContext, xyDC [i + i], xyDC [i + i + 1]);
EndPath (our d_gdiGraphicsContext);
FillPath (our d_gdiGraphicsContext);
DEFAULT
#elif mac
GraphicsQuartz_initDraw (this);
quartzPrepareFill (this);
CGContextBeginPath (our d_macGraphicsContext);
CGContextMoveToPoint (our d_macGraphicsContext, xyDC [0], xyDC [1]);
for (long i = 1; i < numberOfPoints; i ++) {
CGContextAddLineToPoint (our d_macGraphicsContext, xyDC [i + i], xyDC [i + i + 1]);
}
CGContextFillPath (our d_macGraphicsContext);
GraphicsQuartz_exitDraw (this);
#endif
}
void CFX_QuartzDeviceDriver::setPathToContext(const CFX_PathData* pathData)
{
FX_INT32 count = pathData->GetPointCount();
FX_PATHPOINT* points = pathData->GetPoints();
CGContextBeginPath(_context);
for (FX_INT32 i = 0; i < count; i ++) {
switch (points[i].m_Flag & FXPT_TYPE) {
case FXPT_MOVETO:
CGContextMoveToPoint(_context, points[i].m_PointX, points[i].m_PointY);
break;
case FXPT_LINETO:
CGContextAddLineToPoint(_context, points[i].m_PointX, points[i].m_PointY);
break;
case FXPT_BEZIERTO: {
CGContextAddCurveToPoint(_context,
points[i].m_PointX, points[i].m_PointY,
points[i + 1].m_PointX, points[i + 1].m_PointY,
points[i + 2].m_PointX, points[i + 2].m_PointY);
i += 2;
}
}
if (points[i].m_Flag & FXPT_CLOSEFIGURE) {
CGContextClosePath(_context);
}
}
}
FX_BOOL CFX_QuartzDeviceDriver::DrawCosmeticLine(FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
FX_DWORD argb,
int alphaFlag ,
void* iccTransform ,
int blend_type )
{
CGBlendMode mode = GetCGBlendMode(blend_type);
if (mode != kCGBlendModeNormal) {
CGContextSetBlendMode(_context, mode);
}
CGPoint pt = CGPointApplyAffineTransform(CGPointMake(x1, y1), _foxitDevice2User);
x1 = pt.x;
y1 = pt.y;
pt = CGPointApplyAffineTransform(CGPointMake(x2, y2), _foxitDevice2User);
x2 = pt.x;
y2 = pt.y;
FX_INT32 a, r, g, b;
ArgbDecode(argb, a, r, g, b);
CGContextSetRGBStrokeColor(_context,
r / 255.f,
g / 255.f,
b / 255.f,
a / 255.f);
CGContextMoveToPoint(_context, x1, y1);
CGContextAddLineToPoint(_context, x2, y2);
CGContextStrokePath(_context);
if (mode != kCGBlendModeNormal) {
CGContextSetBlendMode(_context, kCGBlendModeNormal);
}
return TRUE;
}
void GraphicsContext::drawConvexPolygon(size_t npoints, const FloatPoint* points, bool shouldAntialias)
{
if (paintingDisabled())
return;
if (npoints <= 1)
return;
CGContextRef context = platformContext();
CGContextSaveGState(context);
CGContextSetShouldAntialias(context, shouldAntialias);
CGContextBeginPath(context);
CGContextMoveToPoint(context, points[0].x(), points[0].y());
for (size_t i = 1; i < npoints; i++)
CGContextAddLineToPoint(context, points[i].x(), points[i].y());
CGContextClosePath(context);
if (fillColor().alpha())
CGContextEOFillPath(context);
if (strokeStyle() != NoStroke)
CGContextStrokePath(context);
CGContextRestoreGState(context);
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawLine (const LinePair& line)
{
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
applyLineStyle (context);
CGContextBeginPath (context);
CGPoint first = CGPointFromCPoint (line.first);
CGPoint second = CGPointFromCPoint (line.second);
if (getDrawMode ().integralMode ())
{
first = pixelAlligned (first);
second = pixelAlligned (second);
int32_t frameWidth = static_cast<int32_t> (currentState.frameWidth);
if (frameWidth % 2)
CGContextTranslateCTM (context, 0.5, 0.5);
}
CGContextMoveToPoint (context, first.x, first.y);
CGContextAddLineToPoint (context, second.x, second.y);
CGContextDrawPath (context, kCGPathStroke);
releaseCGContext (context);
}
}
void doPixelAlignedFillAndStroke(CGContextRef context)
{
CGPoint p1 = CGPointMake(16.7, 17.8);
CGPoint p2 = CGPointMake(116.7, 17.8);
CGRect r = CGRectMake(16.7, 20.8, 100.6, 100.6);
CGSize s;
CGContextSetLineWidth(context, 2);
CGContextSetRGBFillColor(context, 1., 0., 0., 1.);
CGContextSetRGBStrokeColor(context, 1., 0., 0., 1.);
// Unaligned drawing.
CGContextBeginPath(context);
CGContextMoveToPoint(context, p1.x, p1.y);
CGContextAddLineToPoint(context, p2.x, p2.y);
CGContextStrokePath(context);
CGContextFillRect(context, r);
// Translate to the right before drawing along
// aligned coordinates.
CGContextTranslateCTM(context, 106, 0);
// Aligned drawing.
// Compute the length of the line in user space.
s = CGSizeMake(p2.x - p1.x, p2.y - p1.y);
CGContextBeginPath(context);
// Align the starting point to a device
// pixel boundary.
p1 = alignPointToUserSpace(context, p1);
// Establish the starting point of the line.
CGContextMoveToPoint(context, p1.x, p1.y);
// Compute the line length as an integer
// number of device pixels.
s = alignSizeToUserSpace(context, s);
CGContextAddLineToPoint(context,
p1.x + s.width,
p1.y + s.height);
CGContextStrokePath(context);
// Compute a rect that is aligned to device
// space with a width that is an integer
// number of device pixels.
r = alignRectToUserSpace(context, r);
CGContextFillRect(context, r);
}
static void
gdk_quartz_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gboolean filled,
GdkPoint *points,
gint npoints)
{
CGContextRef context = gdk_quartz_drawable_get_context (drawable, FALSE);
int i;
if (!context)
return;
if (!_gdk_quartz_gc_update_cg_context (gc, drawable, context,
filled ?
GDK_QUARTZ_CONTEXT_FILL :
GDK_QUARTZ_CONTEXT_STROKE))
{
gdk_quartz_drawable_release_context (drawable, context);
return;
}
if (filled)
{
CGContextMoveToPoint (context, points[0].x, points[0].y);
for (i = 1; i < npoints; i++)
CGContextAddLineToPoint (context, points[i].x, points[i].y);
CGContextClosePath (context);
CGContextFillPath (context);
}
else
{
CGContextMoveToPoint (context, points[0].x + 0.5, points[0].y + 0.5);
for (i = 1; i < npoints; i++)
CGContextAddLineToPoint (context, points[i].x + 0.5, points[i].y + 0.5);
CGContextClosePath (context);
CGContextStrokePath (context);
}
gdk_quartz_drawable_release_context (drawable, context);
}
static void quartzgen_polyline(GVJ_t *job, pointf *A, int n)
{
/* convert polyline into the current path */
CGContextRef context = (CGContextRef)job->context;
CGContextMoveToPoint(context, A[0].x, A[0].y);
int i;
for (i = 1; i < n; ++i)
CGContextAddLineToPoint(context, A[i].x, A[i].y);
/* draw the ellipse */
quartzgen_path(job, FALSE);
}
bool GiCanvasIos::rawLine(const GiContext* ctx, float x1, float y1, float x2, float y2)
{
bool ret = m_draw->setPen(ctx);
if (ret)
{
CGContextMoveToPoint(m_draw->getContext(), x1, y1);
CGContextAddLineToPoint(m_draw->getContext(), x2, y2);
CGContextStrokePath(m_draw->getContext());
}
return ret;
}
static void quartzgen_polygon(GVJ_t *job, pointf *A, int n, int filled)
{
/* convert polygon into the current path */
CGContextRef context = (CGContextRef)job->context;
CGContextMoveToPoint(context, A[0].x, A[0].y);
int i;
for (i = 1; i < n; ++i)
CGContextAddLineToPoint(context, A[i].x, A[i].y);
CGContextClosePath(context);
/* draw the ellipse */
quartzgen_path(job, filled);
}
static void drawNeedle(CGContextRef gc, int w, int h, float angle)
{
float dx, dy, cx, cy, radius, needle;
cx = CENTERX * w;
cy = CENTERY * h;
dx = -cos(angle);
dy = -sin(angle);
radius = 0.5 * (w > h ? w : h);
needle = radius * 0.85;
CGContextMoveToPoint(gc, cx + needle*dx - 0.5*dy,
cy + needle*dy + 0.5*dx);
CGContextAddLineToPoint(gc, cx + needle*dx + 0.5*dy,
cy + needle*dy - 0.5*dx);
CGContextAddLineToPoint(gc, cx - NEEDLE_THICKNESS*dx + 0.5*NEEDLE_THICKNESS*dy,
cy - NEEDLE_THICKNESS*dy - 0.5*NEEDLE_THICKNESS*dx);
CGContextAddArc(gc, cx - NEEDLE_THICKNESS*dx, cy - NEEDLE_THICKNESS*dy,
0.5*NEEDLE_THICKNESS, angle - 0.5*M_PI, angle + 0.5*M_PI, false);
CGContextAddLineToPoint(gc, cx - NEEDLE_THICKNESS*dx - 0.5*NEEDLE_THICKNESS*dy,
cy - NEEDLE_THICKNESS*dy + 0.5*NEEDLE_THICKNESS*dx);
CGContextFillPath(gc);
}
bool GiCanvasIos::rawLines(const GiContext* ctx, const Point2d* pxs, int count)
{
bool ret = m_draw->setPen(ctx) && count > 1;
if (ret)
{
CGContextMoveToPoint(m_draw->getContext(), pxs[0].x, pxs[0].y);
for (int i = 1; i < count; i++) {
CGContextAddLineToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
}
CGContextStrokePath(m_draw->getContext());
}
return ret;
}
//-----------------------------------------------------------------------------------
// Called for each CGPathElement when scanning the CGPath in CGPathApply()
static void MyCGPathApplier(void* info, const CGPathElement* element)
{
CGContextRef ctx = (CGContextRef)info;
switch (element->type)
{
case kCGPathElementMoveToPoint:
CGContextMoveToPoint(ctx, element->points[0].x, element->points[0].y);
break;
case kCGPathElementAddLineToPoint:
CGContextAddLineToPoint(ctx, element->points[0].x, element->points[0].y);
break;
default: // we know our path only contains line segments
break;
}
}
bool GiCanvasIos::rawPath(const GiContext* ctx,
int count, const Point2d* pxs, const UInt8* types)
{
CGContextBeginPath(m_draw->getContext());
for (int i = 0; i < count; i++)
{
switch (types[i] & ~kGiCloseFigure)
{
case kGiMoveTo:
CGContextMoveToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
break;
case kGiLineTo:
CGContextAddLineToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
break;
case kGiBeziersTo:
if (i + 2 >= count)
return false;
CGContextAddCurveToPoint(m_draw->getContext(),
pxs[i+0].x, pxs[i+0].y,
pxs[i+1].x, pxs[i+1].y,
pxs[i+2].x, pxs[i+2].y);
i += 2;
break;
default:
return false;
}
if (types[i] & kGiCloseFigure)
CGContextClosePath(m_draw->getContext());
}
bool usepen = m_draw->setPen(ctx);
bool usebrush = m_draw->setBrush(ctx);
bool ret = count > 1 && (usepen || usebrush);
if (ret) {
CGContextDrawPath(m_draw->getContext(), usepen && usebrush ? kCGPathFillStroke
: usepen ? kCGPathStroke : kCGPathFill);
}
return ret;
}
void MacVegaPrinterListener::DrawLine(const OpPoint& from, const OpPoint& to, UINT32 width)
{
if(width != 1)
{
CGContextSetLineWidth(m_ctx, width);
}
CGContextBeginPath(m_ctx);
CGContextMoveToPoint(m_ctx, from.x, m_winHeight - from.y);
CGContextAddLineToPoint(m_ctx, to.x, m_winHeight - to.y);
CGContextStrokePath(m_ctx);
if(width != 1)
{
CGContextSetLineWidth(m_ctx, 1);
}
}
bool GiCanvasIos::rawPolygon(const GiContext* ctx, const Point2d* pxs, int count)
{
bool usepen = m_draw->setPen(ctx);
bool usebrush = m_draw->setBrush(ctx);
bool ret = count > 1 && (usepen || usebrush);
if (ret)
{
CGContextMoveToPoint(m_draw->getContext(), pxs[0].x, pxs[0].y);
for (int i = 1; i < count; i++) {
CGContextAddLineToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
}
CGContextClosePath(m_draw->getContext());
CGContextDrawPath(m_draw->getContext(), usepen && usebrush ? kCGPathFillStroke
: usepen ? kCGPathStroke : kCGPathFill);
}
return ret;
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawPolygon (const CPoint* pPoints, int32_t numberOfPoints, const CDrawStyle drawStyle)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
CGContextBeginPath (context);
CGContextMoveToPoint (context, pPoints[0].h, pPoints[0].v);
for (int32_t i = 1; i < numberOfPoints; i++)
CGContextAddLineToPoint (context, pPoints[i].h, pPoints[i].v);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawArc (const CRect &rect, const float _startAngle, const float _endAngle, const CDrawStyle drawStyle) // in degree
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
CGContextBeginPath (context);
addOvalToPath (context, CPoint (rect.left + rect.width () / 2, rect.top + rect.height () / 2), rect.width () / 2, rect.height () / 2, -_startAngle, -_endAngle);
if (drawStyle == kDrawFilled || kDrawFilledAndStroked)
CGContextAddLineToPoint (context, rect.left + rect.width () / 2, rect.top + rect.height () / 2);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawPolygon (const PointList& polygonPointList, const CDrawStyle drawStyle)
{
if (polygonPointList.size () == 0)
return;
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled :
m = kCGPathFill;
break;
case kDrawFilledAndStroked :
m = kCGPathFillStroke;
break;
default :
m = kCGPathStroke;
break;
}
applyLineStyle (context);
CGContextBeginPath (context);
CGPoint p = CGPointFromCPoint(polygonPointList[0]);
if (getDrawMode ().integralMode ())
p = pixelAlligned (p);
CGContextMoveToPoint (context, p.x, p.y);
for (uint32_t i = 1; i < polygonPointList.size (); i++)
{
p = CGPointFromCPoint (polygonPointList[i]);
if (getDrawMode ().integralMode ())
p = pixelAlligned (p);
CGContextAddLineToPoint (context, p.x, p.y);
}
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
// Handles a line drawing operation for cubic (Type 1 / Postscript) outlines
//
OSStatus MyCubicLineToProc(const Float32Point *pt, void *callBackDataPtr)
{
// Adjust the point according to the glyph origin
float x = ((MyCurveCallbackData *)callBackDataPtr)->origin.x + pt->x;
float y = ((MyCurveCallbackData *)callBackDataPtr)->origin.y + pt->y;
// Beginning of degenerate filter
if ( ! (gFilterDegenerates && (x == ((MyCurveCallbackData *)callBackDataPtr)->current.x) && (y == ((MyCurveCallbackData *)callBackDataPtr)->current.y)) ) {
// Draw a line to the point
y = ((MyCurveCallbackData *)callBackDataPtr)->windowHeight - y;
CGContextAddLineToPoint(((MyCurveCallbackData *)callBackDataPtr)->context, x, y);
} // End of degenerate filter
// Keep track of the current pen position (used to filter degenerate cases)
((MyCurveCallbackData *)callBackDataPtr)->current.x = x;
((MyCurveCallbackData *)callBackDataPtr)->current.y = y;
// Update counters and return
if (gOutputNumSegments) segmentCount++;
if (gOutputNumOps) lineToCount++;
return noErr;
}
/*****************************************************
*
* Internal_HICustomViewHandler(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: Event handler that implements our HICustomView custom view
*
* Inputs: inHandlerCallRef - reference to the current handler call chain
* inEvent - the event
* inUserData - app-specified data you passed in the call to InstallEventHandler
*
* Returns: OSStatus - error code (0 == no error)
*/
static pascal OSStatus Internal_HICustomViewHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void * inUserData)
{
OSStatus status = eventNotHandledErr;
HICustomViewData * myData = (HICustomViewData *)inUserData;
switch (GetEventClass(inEvent))
{
case kEventClassHIObject:
switch (GetEventKind(inEvent))
{
case kEventHIObjectConstruct:
{
// allocate some instance data
myData = (HICustomViewData *) calloc(1, sizeof(HICustomViewData));
require_action(myData != NULL, ConstructExit, status = memFullErr);
// get our superclass instance
HIViewRef epView;
status = GetEventParameter(inEvent, kEventParamHIObjectInstance, typeHIObjectRef, NULL, sizeof(epView), NULL, &epView);
require_noerr(status, ConstructExit);
// remember our superclass in our instance data
myData->view = epView;
// store our instance data into the event
status = SetEventParameter(inEvent, kEventParamHIObjectInstance, typeVoidPtr, sizeof(myData), &myData);
require_noerr(status, ConstructExit);
ConstructExit:
break;
}
#pragma mark * kEventHIObjectInitialize
case kEventHIObjectInitialize:
{
// always begin kEventHIObjectInitialize by calling through to the previous handler
status = CallNextEventHandler(inHandlerCallRef, inEvent);
require_noerr(status, InitializeExit);
// if that succeeded, do our own initialization
// in this sample code, there is nothing to do
InitializeExit:
break;
}
case kEventHIObjectDestruct:
{
// freeing our storage
if (myData != NULL) free(myData);
status = noErr;
break;
}
default:
break;
}
break;
case kEventClassControl:
switch (GetEventKind(inEvent))
{
#pragma mark * kEventControlDraw
case kEventControlDraw:
{
CGContextRef context;
status = GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context);
require_noerr(status, ControlDrawExit);
HIRect bounds, viewBounds;
HIViewGetBounds(myData->view, &viewBounds);
// setting our colors according to state: IsControlEnabled, IsControlActive, IsControlHilited
if (!IsControlEnabled(myData->view))
{
CGContextSetRGBFillColor(context, 0.3, 0.3, 0.3, 0.8);
CGContextSetRGBStrokeColor(context, 0.5, 0.5, 0.5, 0.8);
}
else if (!IsControlActive(myData->view))
{
CGContextSetRGBFillColor(context, 0.7, 0.7, 0.7, 0.8);
CGContextSetRGBStrokeColor(context, 0.8, 0.8, 0.8, 0.8);
}
else if (!IsControlHilited(myData->view))
{
CGContextSetRGBFillColor(context, 1, 0, 0, 0.8);
CGContextSetRGBStrokeColor(context, 0, 0, 1, 0.8);
}
else
{
CGContextSetRGBFillColor(context, 0.7, 0, 0, 0.8);
CGContextSetRGBStrokeColor(context, 0, 0, 0.7, 0.8);
}
// using a line thickness of 3
CGContextSetLineWidth(context, 3);
bounds = CGRectInset(viewBounds, 3, 3);
float minDim = (bounds.size.height < bounds.size.width) ? bounds.size.height / 2 : bounds.size.width / 2;
float cx = bounds.origin.x + minDim, cy = bounds.origin.y + minDim;
UInt32 i, n = GetControl32BitValue(myData->view);
// having some fun with geometric shapes based on the value of the custom view
CGContextBeginPath(context);
switch (n)
{
case 0: CGContextAddArc(context, cx, cy, minDim, 0, 2 * pi, true); break;
case 1: CGContextAddEllipseInRect(context, CGRectInset(bounds, bounds.size.width * 0.4, 0)); break;
default:
{
float deltangle = pi / n, angle = 0, r = minDim / 2;
CGContextMoveToPoint(context, cx + minDim, cy);
for (i = 0; i < n; i++)
{
angle += deltangle;
CGContextAddLineToPoint(context, cx + r * cos(angle), cy + r * sin(angle));
angle += deltangle;
CGContextAddLineToPoint(context, cx + minDim * cos(angle), cy + minDim * sin(angle));
}
CGContextAddLineToPoint(context, cx + minDim, cy);
}
}
CGContextClosePath(context);
CGContextDrawPath(context, kCGPathFillStroke);
status = noErr;
ControlDrawExit:
break;
}
#pragma mark * kEventControl___Changed
case kEventControlValueFieldChanged:
case kEventControlHiliteChanged:
{
// just asking for a refresh
HIViewSetNeedsDisplay(myData->view, true);
break;
}
default:
break;
}
break;
default:
break;
}
return status;
} // Internal_HICustomViewHandler
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
if (strokeStyle() == NoStroke)
return;
float width = strokeThickness();
FloatPoint p1 = point1;
FloatPoint p2 = point2;
bool isVerticalLine = (p1.x() == p2.x());
// For odd widths, we add in 0.5 to the appropriate x/y so that the float arithmetic
// works out. For example, with a border width of 3, KHTML will pass us (y1+y2)/2, e.g.,
// (50+53)/2 = 103/2 = 51 when we want 51.5. It is always true that an even width gave
// us a perfect position, but an odd width gave us a position that is off by exactly 0.5.
if (strokeStyle() == DottedStroke || strokeStyle() == DashedStroke) {
if (isVerticalLine) {
p1.move(0, width);
p2.move(0, -width);
} else {
p1.move(width, 0);
p2.move(-width, 0);
}
}
if (((int)width) % 2) {
if (isVerticalLine) {
// We're a vertical line. Adjust our x.
p1.move(0.5f, 0.0f);
p2.move(0.5f, 0.0f);
} else {
// We're a horizontal line. Adjust our y.
p1.move(0.0f, 0.5f);
p2.move(0.0f, 0.5f);
}
}
int patWidth = 0;
switch (strokeStyle()) {
case NoStroke:
case SolidStroke:
break;
case DottedStroke:
patWidth = (int)width;
break;
case DashedStroke:
patWidth = 3 * (int)width;
break;
}
CGContextRef context = platformContext();
if (shouldAntialias())
CGContextSetShouldAntialias(context, false);
if (patWidth) {
CGContextSaveGState(context);
// Do a rect fill of our endpoints. This ensures we always have the
// appearance of being a border. We then draw the actual dotted/dashed line.
setCGFillColor(context, strokeColor(), strokeColorSpace()); // The save/restore make it safe to mutate the fill color here without setting it back to the old color.
if (isVerticalLine) {
CGContextFillRect(context, FloatRect(p1.x() - width / 2, p1.y() - width, width, width));
CGContextFillRect(context, FloatRect(p2.x() - width / 2, p2.y(), width, width));
} else {
CGContextFillRect(context, FloatRect(p1.x() - width, p1.y() - width / 2, width, width));
CGContextFillRect(context, FloatRect(p2.x(), p2.y() - width / 2, width, width));
}
// Example: 80 pixels with a width of 30 pixels.
// Remainder is 20. The maximum pixels of line we could paint
// will be 50 pixels.
int distance = (isVerticalLine ? (point2.y() - point1.y()) : (point2.x() - point1.x())) - 2*(int)width;
int remainder = distance % patWidth;
int coverage = distance - remainder;
int numSegments = coverage / patWidth;
float patternOffset = 0.0f;
// Special case 1px dotted borders for speed.
if (patWidth == 1)
patternOffset = 1.0f;
else {
bool evenNumberOfSegments = !(numSegments % 2);
if (remainder)
evenNumberOfSegments = !evenNumberOfSegments;
if (evenNumberOfSegments) {
if (remainder) {
patternOffset += patWidth - remainder;
patternOffset += remainder / 2;
} else
patternOffset = patWidth / 2;
} else {
if (remainder)
patternOffset = (patWidth - remainder)/2;
}
}
const CGFloat dottedLine[2] = { patWidth, patWidth };
CGContextSetLineDash(context, patternOffset, dottedLine, 2);
}
CGContextBeginPath(context);
CGContextMoveToPoint(context, p1.x(), p1.y());
CGContextAddLineToPoint(context, p2.x(), p2.y());
CGContextStrokePath(context);
if (patWidth)
CGContextRestoreGState(context);
if (shouldAntialias())
CGContextSetShouldAntialias(context, true);
}
void QuartzWindow::draw_line(int x1, int y1, int x2, int y2) {
CGContextBeginPath(myContext);
CGContextMoveToPoint(myContext, x1, y1);
CGContextAddLineToPoint(myContext, x2, y2);
CGContextStrokePath(myContext);
}
static void MusicBoxDrawIndicator(HIViewRef view, CGContextRef mboxctx)
{
if (!showIndicator)
return;
// Bar
const double length[] = { 1.0, 1.0 };
CGContextSetLineWidth(mboxctx, mbxBarWidth);
CGContextSetLineDash(mboxctx, 0, length, 2);
CGContextSetLineJoin(mboxctx, kCGLineJoinMiter);
CGContextBeginPath(mboxctx);
double x = mbxOffsetX + mbxMarginX + mbxBarWidth / 2.0;
for (int h = 0; h < 8; h++)
{
// Inactive
CGContextSetRGBStrokeColor(mboxctx, (196.0 / 256.0), (200.0 / 256.0), (176.0 / 256.0), 1.0);
CGContextMoveToPoint (mboxctx, x, mbxOffsetY + mbxMarginY);
CGContextAddLineToPoint(mboxctx, x, mbxOffsetY + mbxMarginY + mbxBarHeight);
CGContextMoveToPoint (mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY);
CGContextAddLineToPoint(mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY + mbxBarHeight);
CGContextStrokePath(mboxctx);
// Max
Channel *ch = &SoundData.channels[h];
ch->envx = ch->xenvx >> 4;
ch-> left_vol_level = (ch->xenvx * ch->volume_left ) >> 11;
ch->right_vol_level = (ch->xenvx * ch->volume_right) >> 11;
short vl = ch-> left_vol_level;
short vr = ch->right_vol_level;
long long currentTime;
if (vl <= 0) vl = 0; else if (vl > 64) vl = 64; else vl = (short) (yyscale * sqrt((double) vl)) & (~0 << 1);
if (vr <= 0) vr = 0; else if (vr > 64) vr = 64; else vr = (short) (yyscale * sqrt((double) vr)) & (~0 << 1);
if (vl < prevLVol[h]) vl = ((prevLVol[h] + vl) >> 1);
if (vr < prevRVol[h]) vr = ((prevRVol[h] + vr) >> 1);
Microseconds((UnsignedWide *) ¤tTime);
// left
if ((vl >= prevLMax[h]) && (vl > prevLVol[h]))
{
barTimeL[h] = currentTime;
prevLMax[h] = vl;
}
else
if ((prevLMax[h] > 0) && (barTimeL[h] + 1000000 > currentTime))
{
CGContextSetRGBStrokeColor(mboxctx, (22.0 / 256.0), (156.0 / 256.0), (20.0 / 256.0), (double) (barTimeL[h] + 1000000 - currentTime) / 1000000.0);
CGContextMoveToPoint (mboxctx, x, mbxOffsetY + mbxMarginY + (double) (prevLMax[h] - 2));
CGContextAddLineToPoint(mboxctx, x, mbxOffsetY + mbxMarginY + (double) (prevLMax[h] ));
CGContextStrokePath(mboxctx);
}
else
prevLMax[h] = 0;
prevLVol[h] = vl;
// right
if ((vr >= prevRMax[h]) && (vr > prevRVol[h]))
{
barTimeR[h] = currentTime;
prevRMax[h] = vr;
}
else
if ((prevRMax[h] > 0) && (barTimeR[h] + 1000000 > currentTime))
{
CGContextSetRGBStrokeColor(mboxctx, (22.0 / 256.0), (156.0 / 256.0), (20.0 / 256.0), (double) (barTimeR[h] + 1000000 - currentTime) / 1000000.0);
CGContextMoveToPoint (mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY + (double) (prevRMax[h] - 2));
CGContextAddLineToPoint(mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY + (double) (prevRMax[h] ));
CGContextStrokePath(mboxctx);
}
else
prevRMax[h] = 0;
prevRVol[h] = vr;
// Active
CGContextSetRGBStrokeColor(mboxctx, (22.0 / 256.0), (22.0 / 256.0), (20.0 / 256.0), 1.0);
CGContextMoveToPoint (mboxctx, x, mbxOffsetY + mbxMarginY);
CGContextAddLineToPoint(mboxctx, x, mbxOffsetY + mbxMarginY + (double) vl);
CGContextStrokePath(mboxctx);
CGContextMoveToPoint (mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY);
CGContextAddLineToPoint(mboxctx, x + mbxRightBarX, mbxOffsetY + mbxMarginY + (double) vr);
CGContextStrokePath(mboxctx);
x += (mbxBarWidth + mbxBarSpace);
}
}
void LineTool( WindowRef window )
{
OSStatus err;
Point endPt;
MouseTrackingResult trackingResult;
Point beginPt;
Rect windowRect;
WindowRef overlayWindow;
CGRect cgRect;
CGContextRef cgContext;
Boolean isStillDown = true;
SetThemeCursor( kThemeCrossCursor );
SetPortWindowPort( window );
GetWindowPortBounds( window, &windowRect );
LocalToGlobalRect( &windowRect );
(void) CreateNewWindow( kOverlayWindowClass, kWindowHideOnSuspendAttribute | kWindowIgnoreClicksAttribute, &windowRect, &overlayWindow );
SetPortWindowPort( overlayWindow );
SetWindowGroup( overlayWindow, GetWindowGroup(window) ); // This assures we draw into the same layer as the window
ShowWindow( overlayWindow );
GetMouse( &beginPt );
cgRect = CGRectMake( 0, 0, windowRect.right - windowRect.left+1, windowRect.bottom - windowRect.top+1 );
CreateCGContextForPort( GetWindowPort(overlayWindow), &cgContext );
CGContextSetLineWidth( cgContext, 3 ); // Line is 3 pixels wide
CGContextSetRGBStrokeColor( cgContext, 1.0, .45, .3, .4 ); // Make it orange with alpha = 0.4
SyncCGContextOriginWithPort( cgContext, GetWindowPort(overlayWindow) );
CGContextTranslateCTM( cgContext, 0, windowRect.bottom - windowRect.top ); // Flip & rotate the context to use QD coordinates
CGContextScaleCTM( cgContext, 1.0, -1.0 );
do
{
err = TrackMouseLocation( GetWindowPort(window), &endPt, &trackingResult );
switch ( trackingResult )
{
case kMouseTrackingMouseDragged:
CGContextClearRect( cgContext, cgRect ); // "Erase" the window
#if ( 1 )
CGContextMoveToPoint( cgContext, beginPt.h, beginPt.v ); // Draw the line
CGContextAddLineToPoint( cgContext, endPt.h, endPt.v );
CGContextStrokePath( cgContext );
#else
MoveTo( beginPt.h, beginPt.v ); // We could use QuickDraw and draw opaque lines
LineTo( endPt.h, endPt.v );
#endif
CGContextFlush( cgContext ); // Flush our drawing to the screen
break;
case kMouseTrackingMouseDown:
break;
case kMouseTrackingMouseUp:
case kMouseTrackingUserCancelled:
isStillDown = false;
break;
}
} while( isStillDown == true );
CGContextRelease( cgContext );
DisposeWindow( overlayWindow );
SetThemeCursor( kThemeArrowCursor );
return;
}
void RSTileRendererDrawTile(
CGContextRef c,
CGRect bounds,
uint8_t *data,
uint32_t dataSize,
uint32_t zoom,
RSTileRendererGraphicsSpace graphicsSpace)
{
CGFloat width = (CGFloat)bounds.size.width;
CGFloat height = (CGFloat)bounds.size.height;
const CGFloat backgroundColor[4] = {0.5, 0.5, 0.5, 1};
const CGFloat fillColors[8][4] = {
{0, 0, 0, 0},
{(210 / 255.0), (173 / 255.0), (104 / 255.0), 1}, // Building = 1,
{(66 / 255.0), (66 / 255.0), (255 / 255.0), 1}, // HighwayMotorway = 2,
{(255 / 255.0), (66 / 255.0), (66 / 255.0), 1}, // HighwayPrimary = 3,
{(255 / 255.0), (155 / 255.0), (66 / 255.0), 1}, // HighwaySecondary = 4,
{(255 / 255.0), (255 / 255.0), (66 / 255.0), 1}, // HighwayTertiary = 5,
{(255 / 255.0), (255 / 255.0), (255 / 255.0), 1}, // HighwayResidential = 6,
{(255 / 255.0), (255 / 255.0), (255 / 255.0), 1} // HighwayService = 7,
};
const CGFloat strokeColors[8][4] = {
{0, 0, 0, 0},
{(140 / 255.0), (93 / 255.0), (33 / 255.0), 1}, // Building = 1,
{(44 / 255.0), (44 / 255.0), (200 / 255.0), 1}, // HighwayMotorway = 2,
{(200 / 255.0), (44 / 255.0), (44 / 255.0), 1}, // HighwayPrimary = 3,
{(200 / 255.0), (100 / 255.0), (44 / 255.0), 1}, // HighwaySecondary = 4,
{(200 / 255.0), (200 / 255.0), (44 / 255.0), 1}, // HighwayTertiary = 5,
{(200 / 255.0), (200 / 255.0), (200 / 255.0), 1}, // HighwayResidential = 6,
{(200 / 255.0), (200 / 255.0), (200 / 255.0), 1} // HighwayService = 7,
};
CGContextSetFillColor(c, backgroundColor);
CGContextFillRect(c, bounds);
uint32_t pos = 0;
uint32_t resolutionBits = 8;
double intToFloat = width / (1 << resolutionBits);
int32_t ix, iy;
double x, y, firstX, firstY;
while (pos < dataSize) {
ix = 0;
iy = 0;
RSTiledataThingType thingType = (RSTiledataThingType)RSVarintRead(data, &pos);
uint32_t numNodes = RSVarintRead(data, &pos);
for (uint32_t i = 0; i < numNodes; i++) {
ix += RSVarintSignedRead(data, &pos);
iy += RSVarintSignedRead(data, &pos);
x = intToFloat * ix;
y = intToFloat * iy;
if (graphicsSpace == RSTileRendererGraphicsSpaceQuadrantOne) {
y = height - y;
}
if (i == 0) {
firstX = x;
firstY = y;
CGContextMoveToPoint(c, x, y);
} else {
CGContextAddLineToPoint(c, x, y);
}
}
CGContextSetFillColor(c, fillColors[thingType]);
CGContextSetStrokeColor(c, strokeColors[thingType]);
switch (thingType) {
case RSTiledataBuilding:
CGContextSetLineWidth(c, 4);
break;
case RSTiledataHighwayMotorway:
case RSTiledataHighwayPrimary:
case RSTiledataHighwaySecondary:
case RSTiledataHighwayTertiary:
case RSTiledataHighwayResidential:
case RSTiledataHighwayService:
CGContextSetLineWidth(c, 12);
break;
}
if (RSTiledataThingTypeIsClosedWay(thingType)) {
CGContextAddLineToPoint(c, firstX, firstY);
CGContextDrawPath(c, kCGPathFillStroke);
} else {
CGContextStrokePath(c);
}
}
}
static void drawMarks(CGContextRef gc, int width, int height, int max)
{
float angle, c, s, tick, radius, needle;
float r0, r1, r2, r3, cx, cy;
int i, start, end, redline, section;
cx = CENTERX * width;
cy = CENTERY * height;
redline = TICKS * SUBTICKS * 0.8;
radius = 0.5 * (width > height ? width : height);
needle = radius * 0.85;
for (section = 0; section < 2; section++)
{
start = section ? redline + 1 : 0;
end = section ? TICKS * SUBTICKS : redline;
if (section)
CGContextSetRGBStrokeColor(gc, 1.0, 0.1, 0.1, 1.0);
else
CGContextSetRGBStrokeColor(gc, 0.9, 0.9, 1.0, 1.0);
// inner tick ring
r0 = 0.97 * needle;
r1 = 1.04 * needle;
r2 = 1.00 * needle;
r3 = 1.01 * needle;
for (i = start; i <= end ; i++)
{
tick = i / (float)(SUBTICKS * TICKS);
angle = (2.0 / 3.0) * (2 * M_PI) * tick - M_PI / 6;
c = cos(angle);
s = sin(angle);
if (i % SUBTICKS != 0)
{
CGContextMoveToPoint(gc, cx - r0*c, cy + r0*s);
CGContextAddLineToPoint(gc, cx - r1*c, cy + r1*s);
}
else
{
CGContextMoveToPoint(gc, cx - r2*c, cy + r2*s);
CGContextAddLineToPoint(gc, cx - r3*c, cy + r3*s);
}
}
CGContextSetLineWidth(gc, 2.0);
CGContextStrokePath(gc);
// outer tick ring
start = ((float)start / SUBTICKS) + section;
end = ((float)end / SUBTICKS);
r0 = 1.05 * needle;
r1 = 1.14 * needle;
for (i = start; i <= end ; i++)
{
tick = i / (float)(TICKS);
angle = (2.0 / 3.0) * (2 * M_PI) * tick - M_PI / 6;
c = cos(angle);
s = sin(angle);
CGContextMoveToPoint(gc, cx - r0*c, cy + r0*s);
CGContextAddLineToPoint(gc, cx - r1*c, cy + r1*s);
}
CGContextSetLineWidth(gc, 3.0);
CGContextStrokePath(gc);
}
CGContextSelectFont(gc, "Arial Bold Italic", 20.0, kCGEncodingMacRoman);
r0 = 0.82 * needle;
for (i = 0 ; i <= max ; i += (max / TICKS))
{
char text[20];
float dx, dy;
sprintf(text, "%d", i);
// hardcoded text centering for this font size
{
if (i > 199)
dx = -18;
else if (i > 99)
dx = -17;
else if (i > 0)
dx = -14;
else
dx = -12;
dy = -6.0;
}
angle = (2.0 / 3.0) * (2 * M_PI) * i / max - M_PI / 6;
c = cos(angle);
s = sin(angle);
CGContextShowTextAtPoint(gc, cx - r0*c + dx, cy + r0*s + dy,
text, strlen(text));
}
}
void draw__line(xy__Float x1, xy__Float y1, xy__Float x2, xy__Float y2) {
CGContextMoveToPoint (ctx, x1, y1);
CGContextAddLineToPoint(ctx, x2, y2);
CGContextStrokePath (ctx);
}
bool GiCanvasIos::rawLineTo(float x, float y)
{
CGContextAddLineToPoint(m_draw->getContext(), x, y);
return true;
}