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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 <SkCanvas.h>
#include <SkGradientShader.h>
#include <SkBlurMaskFilter.h>
#include <SkBlurMask.h>
#include "forward.h"
#include "caskbench.h"
#include "caskbench_context.h"
#include "skia-shapes.h"
#include "kinetics.h"
static double line_width;
static double shadow_x_blur;
static double shadow_y_blur;
static double spread_line_width;
static double spread_x_blur;
static double spread_y_blur;
static double drop_x_blur;
static double drop_y_blur;
static double drop_x_offset;
static double drop_y_offset;
static double drop_line_width;
static double x_offset;
static double y_offset;
SkMaskFilter *mf,*mf_spread;
static kinetics_t *particles;
static void particle_init ()
{
line_width = 20.0;
/* Inset shadow */
shadow_x_blur = 5;
shadow_y_blur = 2;
x_offset = 6;
y_offset = 1;
/* Spread */
spread_x_blur = 5;
spread_y_blur = 2;
spread_line_width = 3;
/* Drop shadow */
drop_x_blur = 10;
drop_y_blur = 8;
drop_x_offset = -30;
drop_y_offset = -5;
drop_line_width = line_width;
SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag;
mf = SkBlurMaskFilter::Create(kInner_SkBlurStyle, (SkDoubleToScalar(drop_line_width)), flags);
flags = SkBlurMaskFilter::kNone_BlurFlag;
mf_spread = SkBlurMaskFilter::Create(kInner_SkBlurStyle, (SkDoubleToScalar(spread_line_width)), flags);
}
static void fill_particle (caskbench_context_t *ctx, shapes_t *shape)
{
SkPaint *paint = ctx->skia_paint;
SkCanvas *canvas = ctx->skia_canvas;
/* Drop shadow */
paint->setMaskFilter(mf);
paint->setStrokeWidth(drop_line_width);
paint->setARGB(255*0.5, 0, 0, 0);
canvas->drawCircle(SkDoubleToScalar(shape->x+drop_x_offset), SkDoubleToScalar(shape->y+drop_y_offset), 40, *paint);
paint->setMaskFilter(mf_spread);
paint->setARGB(255, 0, 0, 0);
canvas->drawCircle(SkDoubleToScalar(shape->x-shadow_x_blur+3), SkDoubleToScalar(shape->y-shadow_y_blur), 40, *paint);
/* Ring */
skiaRandomizePaintColor(ctx);
paint->setStrokeWidth(line_width);
canvas->drawCircle(SkDoubleToScalar(shape->x), SkDoubleToScalar(shape->y), 40, *paint);
/* Spread */
paint->setMaskFilter(mf_spread);
paint->setStrokeWidth(spread_line_width);
paint->setARGB(255, 255, 255, 255);
canvas->drawCircle(SkDoubleToScalar(shape->x+spread_x_blur), SkDoubleToScalar(shape->y+spread_y_blur), 40, *paint);
}
int
sk_setup_shadow(caskbench_context_t *ctx)
{
if (ctx->size < 0)
return 0;
/* Animation & Shadow setup */
particles = (kinetics_t *) malloc (sizeof (kinetics_t) * ctx->size);
for (int i = 0; i < ctx->size; i++)
kinetics_init(&particles[i], ctx);
particle_init ();
/* Set Style and Stroke Width */
ctx->skia_paint->setStyle(SkPaint::kStroke_Style);
ctx->skia_paint->setStrokeWidth(20);
return 1;
}
void
sk_teardown_shadow(void)
{
free(particles);
}
int
sk_test_shadow(caskbench_context_t *ctx)
{
ctx->skia_canvas->drawColor(SK_ColorWHITE);
for (int i = 0; i < ctx->size; i++) {
shapes_t shape;
kinetics_t *particle = &particles[i];
kinetics_update(particle, 0.1);
shape_copy(&ctx->shape_defaults, &shape);
shape.width = particle->width;
shape.height = particle->height;
shape.x = particle->x;
shape.y = particle->y;
if (!shape.radius)
shape.radius = 40;
fill_particle (ctx, &shape);
}
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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