convex_all_line_paths.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypes.h"
#include "src/core/SkPathPriv.h"
#include <memory>

Go to the source code of this file.

Classes
class	skiagm::ConvexLineOnlyPathsGM

Namespaces
namespace	ConvexLineOnlyData
namespace	skiagm

Functions
static void	create_ngon (int n, SkPoint *pts, SkScalar width, SkScalar height)

Variables
const SkPoint	ConvexLineOnlyData::gPoints0 []
const SkPoint	ConvexLineOnlyData::gPoints1 []
const SkPoint	ConvexLineOnlyData::gPoints2 []
const SkPoint	ConvexLineOnlyData::gPoints3 []
const SkPoint	ConvexLineOnlyData::gPoints4 []
const SkPoint	ConvexLineOnlyData::gPoints5 []
const SkPoint	ConvexLineOnlyData::gPoints6 []
const SkPoint	ConvexLineOnlyData::gPoints7 []
const SkPoint	ConvexLineOnlyData::gPoints8 []
const SkPoint	ConvexLineOnlyData::gPoints9 []
const SkPoint	ConvexLineOnlyData::gPoints10 []
const SkPoint *	ConvexLineOnlyData::gPoints []
const size_t	ConvexLineOnlyData::gSizes []

Function Documentation

create_ngon()

static void create_ngon ( int  n, SkPoint *  pts, SkScalar  width, SkScalar  height  )

static

Definition at line 24 of file convex_all_line_paths.cpp.

                                                                              {
    float angleStep = 360.0f / n, angle = 0.0f;
    if ((n % 2) == 1) {
        angle = angleStep/2.0f;
    }
 
    for (int i = 0; i < n; ++i) {
        pts[i].fX = -SkScalarSin(SkDegreesToRadians(angle)) * width;
        pts[i].fY =  SkScalarCos(SkDegreesToRadians(angle)) * height;
        angle += angleStep;
    }
}