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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 <cairo.h>
#include "caskbench.h"
#include "caskbench_context.h"
#include "cairo-shapes.h"
static cairo_surface_t *image;
static cairo_surface_t *cached_image;
int
ca_setup_image_rotate(caskbench_context_t *ctx)
{
image = cairoCreateSampleImage (ctx);
cached_image = cairoCacheImageSurface (ctx, image);
return 1;
}
void
ca_teardown_image_rotate(void)
{
cairo_surface_destroy (image);
cairo_surface_destroy (cached_image);
}
int
ca_test_image_rotate(caskbench_context_t* ctx)
{
cairo_t *cr = ctx->cairo_cr;
static int counter = 0;
double radian = 0;
int w = ctx->canvas_width;
int h = ctx->canvas_height;
int iw = cairo_image_surface_get_width (image);
int ih = cairo_image_surface_get_height (image);
int pw = w - iw;
int ph = h - ih;
for (int i=0; i<ctx->size; i++) {
double x = (double)rand()/RAND_MAX * pw;
double y = (double)rand()/RAND_MAX * ph;
cairo_new_path(cr);
cairo_save(cr);
cairo_translate(cr, w/2, h/2);
radian = (1/57.29) * (counter/50);
cairo_rotate(cr, radian);
cairo_translate(cr, -iw/2, -ih/2);
cairo_set_source_surface (cr, cached_image, 0, 0);
cairo_paint (cr);
counter++;
cairo_restore(cr);
}
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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