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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 <stdio.h>
#include <stdlib.h>
#include <cairo.h>
#include <math.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "kinetics.h"
#include "cairo-shapes.h"
static int element_spacing;
static int num_x_elements;
static int num_y_elements;
static kinetics_t *particles;
const double dashes[] = { 2, 4 };
static int line_length;
int
ca_setup_stroke(caskbench_context_t *ctx)
{
cairo_t *cr = ctx->cairo_cr;
line_length = 60;
element_spacing = sqrt( ((double)ctx->canvas_width * ctx->canvas_height) / ctx->size);
num_x_elements = ctx->canvas_width / element_spacing;
num_y_elements = ctx->canvas_height / element_spacing;
cairo_set_line_width(cr,ctx->shape_defaults.stroke_width?ctx->shape_defaults.stroke_width:5);
cairo_set_line_cap(cr,ctx->shape_defaults.cap_style?(cairo_line_cap_t)(ctx->shape_defaults.cap_style % 3):CAIRO_LINE_CAP_BUTT);
cairo_set_line_join(cr,ctx->shape_defaults.join_style?(cairo_line_join_t)(ctx->shape_defaults.join_style % 3):CAIRO_LINE_JOIN_MITER);
cairo_set_dash (cr, dashes, sizeof (dashes) / sizeof (dashes[0]), 0);
return 1;
}
void
ca_teardown_stroke(void)
{
}
static void drawShape(caskbench_context_t *ctx,double x,double y)
{
int i, r, p;
shape_type_t shape;
r = 0.9 * element_spacing /2;
if(ctx->shape_defaults.shape_type == CB_SHAPE_RANDOM)
shape = generate_random_shape();
else
shape = ctx->shape_defaults.shape_type;
switch (shape) {
case 1:
// Circle
ctx->shape_defaults.x = x+r;
ctx->shape_defaults.y = y+r;
ctx->shape_defaults.radius = r;
cairoShapes[CB_SHAPE_CIRCLE](ctx,&ctx->shape_defaults);
break;
case 2:
// Rectangle
ctx->shape_defaults.x = x;
ctx->shape_defaults.y = y;
ctx->shape_defaults.width = (ctx->shape_defaults.width)?ctx->shape_defaults.width:2*r;
ctx->shape_defaults.height = (ctx->shape_defaults.height)?ctx->shape_defaults.height:2*r;
cairoShapes[CB_SHAPE_RECTANGLE](ctx,&ctx->shape_defaults);
break;
case 3:
// Triangle
cairoShapes[CB_SHAPE_TRIANGLE] (ctx,&ctx->shape_defaults);
//cairo_fill (cr);
break;
case 4:
// Star
cairoShapes[CB_SHAPE_STAR] (ctx,&ctx->shape_defaults);
//cairo_fill (cr);
break;
default:
break;
}
}
void draw_stroke(caskbench_context_t *ctx, kinetics_t *particles)
{
int i, r,j;
int w, h;
double x,y;
cairo_t *cr = ctx->cairo_cr;
for (j=0; j<num_y_elements; j++) {
y = particles?particles->y : j * element_spacing;
cairo_set_line_join(cr,(cairo_line_join_t)(j % 3));
for (i=0; i<num_x_elements; i++) {
x = particles?particles->x : i * element_spacing;
cairo_set_line_cap(cr,(cairo_line_cap_t)(i % 3));
cairoRandomizeColor(ctx);
drawShape(ctx,x,y);
cairo_stroke (cr);
}
}
}
int
ca_test_stroke(caskbench_context_t *ctx)
{
cairo_t *cr = ctx->cairo_cr;
if(ctx->shape_defaults.animation)
{
int num_particles = ctx->shape_defaults.animation;
double start_frame, stop_frame, delta;
particles = (kinetics_t *) malloc (sizeof (kinetics_t) * num_particles);
int i,j;
for (i = 0; i < num_particles; i++)
kinetics_init (&particles[i], ctx);
for (j=0;j<num_particles;j++){
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_rectangle (cr, 0, 0, ctx->canvas_width ,ctx->canvas_height);
cairo_fill (cr);
for (i = 0; i < num_particles; i++) {
kinetics_update(&particles[i], 0.1);
draw_stroke(ctx, &particles[i]);
}
}
} else {
draw_stroke(ctx, NULL);
}
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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