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/*
* Copyright 2014 © Samsung Research America, Silicon Valley
*
* Use of this source code is governed by the 3-Clause BSD license
* specified in the COPYING file included with this source code.
*/
#include <config.h>
#include <math.h>
#include <SkCanvas.h>
#include <SkPaint.h>
#include <SkRect.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "skia-shapes.h"
static double delta = 0;
int
sk_setup_curves(caskbench_context_t *ctx)
{
ctx->skia_paint->setAntiAlias(false);
ctx->skia_paint->setStrokeWidth(1);
ctx->skia_paint->setStyle(SkPaint::kStroke_Style);
return 1;
}
void
sk_teardown_curves(void)
{
}
int
sk_test_curves(caskbench_context_t *ctx)
{
SkPath path;
int cp = ctx->canvas_width / 2; // center point
int rr = ctx->canvas_width / 2;
int nn = 32; // must be even
double step = (2 * M_PI) / nn;
for (int i=0; i<ctx->size; i++) {
double angle = delta; // in radians
double x = cp + rr * cos(angle);
double y = cp + rr * sin(angle);
// begin path
SkPath path;
path.moveTo(SkDoubleToScalar(x), SkDoubleToScalar(y));
// segments
for (int j=0; j<nn; j++) {
double r = rr * (double)rnd()/RAND_MAX / 8.0;
double angle = j * step + delta;
double x1 = cp + r * cos(angle);
double y1 = cp + r * sin(angle);
double x2 = cp + rr * cos(angle);
double y2 = cp + rr * sin(angle);
path.quadTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
SkDoubleToScalar(x2), SkDoubleToScalar(y2));
}
skiaRandomizePaintColor(ctx);
// TODO: apply other fill types
if (ctx->shape_defaults.fill_type == CB_FILL_SOLID) {
ctx->skia_paint->setStyle(SkPaint::kStrokeAndFill_Style);
}
path.close();
ctx->skia_canvas->drawPath(path, *(ctx->skia_paint));
}
delta += 0.5;
return 1;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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