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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 "caskbench.h"
#include "caskbench_context.h"
#include "cairo-shapes.h"
#include <math.h>
static cairo_surface_t *image;
int
ca_setup_image_scale(caskbench_context_t *ctx)
{
image = cairoCreateSampleImage (ctx);
return 1;
}
void
ca_teardown_image_scale(void)
{
cairo_surface_destroy (image);
}
int
ca_test_image_scale(caskbench_context_t *ctx)
{
cairo_t *cr = ctx->cairo_cr;
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);
for (int i=0; i<ctx->size; i++) {
double x1 = (double)rand()/RAND_MAX * w;
double x2 = (double)rand()/RAND_MAX * w;
double y1 = (double)rand()/RAND_MAX * h;
double y2 = (double)rand()/RAND_MAX * h;
double x = MIN(x1, x2);
double y = MIN(y1, y2);
double width_ratio = float(fabs(x2 - x1)) / float(iw);
double height_ratio = float(fabs(y2 - y1)) / float(ih);
cairo_save(cr);
cairo_translate(cr,x,y);
cairo_scale(cr, width_ratio, height_ratio);
cairo_set_source_surface (cr, image, 0, 0);
// Scale without blur
cairo_pattern_set_filter (cairo_get_source(cr), CAIRO_FILTER_FAST);
#if 1
// Paint method
cairo_paint (cr);
#else
// Fill Method
cairo_rectangle(cr, 0, 0, iw, ih);
cairo_fill(cr);
#endif
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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