int
sk_test_circle(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
for (int i=0; i<ctx->size; i++) {
shape.x = (double)rnd()/RAND_MAX * w;
shape.y = (double)rnd()/RAND_MAX * h;
shape.radius = (double)rnd()/RAND_MAX * MIN(
MIN(shape.x, w-shape.x), MIN(shape.y, h-shape.y));
if (ctx->shape_defaults.fill_type == CB_FILL_RANDOM) {
shape.fill_type = generate_random_fill_type();
}
sk_set_fill_style(ctx, &shape);
shape.shape_type = CB_SHAPE_CIRCLE;
skiaDrawRandomizedShape(ctx,&shape);
}
return 1;
}
int
sk_test_roundrect(caskbench_context_t *ctx)
{
int i;
double line_width, x, y, radius;
for (i=0; i<ctx->size; i++) {
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
skiaRandomizePaintColor(ctx);
shape.x = trunc( (((double)ctx->canvas_width-20)*rnd())/RAND_MAX ) + 10;
shape.y = trunc( (((double)ctx->canvas_height-20)*rnd())/RAND_MAX ) + 10;
/* vary radius upto half of MIN(X,Y) */
shape.radius = (double)rnd()/RAND_MAX * 20;
shape.width = 100;
shape.height = 40;
/* line_width cannot be more than twice of radius due to skia limitation - Issue #4 in skia https://github.com/Samsung/skia/issues/4 */
shape.stroke_width = (double)rnd()/RAND_MAX * (2*shape.radius);
ctx->skia_paint->setStrokeWidth(shape.stroke_width);
skiaDrawRoundedRectangle (ctx, &shape);
}
return 1;
}
// reproject shape
shape_t*
shape_proj(
const shape_t* shape,
const char* from,
const char* to ){
shape_t* projected = shape_copy(shape);
projPJ old_prj = pj_init_plus(from);
projPJ new_prj = pj_init_plus(to);
for(uint32_t i=0; i<kv_size(projected->points); i++) {
point_t* p = &kv_A(projected->points, i);
p->x *= DEG_TO_RAD;
p->y *= DEG_TO_RAD;
int32_t err = pj_transform(old_prj, new_prj, 1, 0, &p->x, &p->y, NULL);
if (err)
fprintf(stderr, "ERR%d %s\n", err, pj_strerrno(err));
assert(err == 0);
}
for(uint32_t i=0; i<kv_size(projected->hull); i++) {
point_t* p = &kv_A(projected->hull, i);
p->x *= DEG_TO_RAD;
p->y *= DEG_TO_RAD;
int32_t err = pj_transform(old_prj, new_prj, 1, 0, &p->x, &p->y, NULL);
if (err)
fprintf(stderr, "ERR%d %s\n", err, pj_strerrno(err));
assert(err == 0);
}
pj_free(old_prj);
pj_free(new_prj);
return projected;
}
int
sk_test_linear_gradient(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
int stops = 10;
SkPoint pts[2];
pts[0].iset(0, 0);
pts[1].iset(100, 100);
SkColor colors[10];
SkScalar pos[10];
for (int i = 0; i < stops; i++) {
pos[i] = i / SkIntToScalar(stops - 1);
colors[i] = skiaRandomColor();
}
SkShader *shader = SkGradientShader::CreateLinear(pts, colors, pos, stops,
SkShader::kClamp_TileMode);
ctx->skia_paint->setShader(shader);
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
for (int i=0; i<ctx->size; i++) {
double x1 = (double)rnd()/RAND_MAX * w;
double x2 = (double)rnd()/RAND_MAX * w;
double y1 = (double)rnd()/RAND_MAX * h;
double y2 = (double)rnd()/RAND_MAX * h;
double xx = MIN(x1, x2);
double yy = MIN(x1, x2);
double ww = abs(x2 - x1);
double hh = abs(y2 - y1);
ctx->skia_canvas->save();
ctx->skia_canvas->translate(SkDoubleToScalar(xx), SkDoubleToScalar(yy));
ctx->skia_canvas->scale(SkDoubleToScalar(ww/100), SkDoubleToScalar(hh/100));
// transform(shape.width/100, 0, 0, shape.height/100, 0, 0)
shape.x = 0;
shape.y = 0;
shape.width = 100;
shape.height = 100;
shape.fill_type = CB_FILL_LINEAR_GRADIENT;
ctx->skia_paint->setStyle(SkPaint::kFill_Style);
ctx->skia_paint->setShader(shader);
skiaDrawRectangle(ctx, &shape);
ctx->skia_canvas->restore();
}
if (shader)
shader->unref();
return 1;
}
int
sk_test_vline(caskbench_context_t *ctx)
{
int w = ctx->canvas_width;
int h = ctx->canvas_height;
shapes_t shape;
shape_copy(&ctx->shape_defaults, &shape);
for (int i=0; i<ctx->size; i++) {
double x = (double)rnd()/RAND_MAX * w;
double y1 = (double)rnd()/RAND_MAX * h;
double y2 = (double)rnd()/RAND_MAX * h;
shape.x = x;
shape.y = y1;
shape.width = 0;
shape.height = y1 - y2;
skiaRandomizePaintColor(ctx);
skiaDrawLine(ctx, &shape);
}
return 1;
}
