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/*
* Copyright (c) 2018-2022 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "test.h"
void _test_rounded_rect(VkvgContext cr) {
/* a custom shape that could be wrapped in a function */
float x0 = -100, /* parameters like vkvg_rectangle */
y0 = -100, rect_width = 200, rect_height = 200, radius = 102.4f; /* and an approximate curvature radius */
float x1, y1;
x1 = x0 + rect_width;
y1 = y0 + rect_height;
if (!rect_width || !rect_height)
return;
if (rect_width / 2 < radius) {
if (rect_height / 2 < radius) {
vkvg_move_to(cr, x0, (y0 + y1) / 2);
vkvg_curve_to(cr, x0, y0, x0, y0, (x0 + x1) / 2, y0);
vkvg_curve_to(cr, x1, y0, x1, y0, x1, (y0 + y1) / 2);
vkvg_curve_to(cr, x1, y1, x1, y1, (x1 + x0) / 2, y1);
vkvg_curve_to(cr, x0, y1, x0, y1, x0, (y0 + y1) / 2);
} else {
vkvg_move_to(cr, x0, y0 + radius);
vkvg_curve_to(cr, x0, y0, x0, y0, (x0 + x1) / 2, y0);
vkvg_curve_to(cr, x1, y0, x1, y0, x1, y0 + radius);
vkvg_line_to(cr, x1, y1 - radius);
vkvg_curve_to(cr, x1, y1, x1, y1, (x1 + x0) / 2, y1);
vkvg_curve_to(cr, x0, y1, x0, y1, x0, y1 - radius);
}
} else {
if (rect_height / 2 < radius) {
vkvg_move_to(cr, x0, (y0 + y1) / 2);
vkvg_curve_to(cr, x0, y0, x0, y0, x0 + radius, y0);
vkvg_line_to(cr, x1 - radius, y0);
vkvg_curve_to(cr, x1, y0, x1, y0, x1, (y0 + y1) / 2);
vkvg_curve_to(cr, x1, y1, x1, y1, x1 - radius, y1);
vkvg_line_to(cr, x0 + radius, y1);
vkvg_curve_to(cr, x0, y1, x0, y1, x0, (y0 + y1) / 2);
} else {
vkvg_move_to(cr, x0, y0 + radius);
vkvg_curve_to(cr, x0, y0, x0, y0, x0 + radius, y0);
vkvg_line_to(cr, x1 - radius, y0);
vkvg_curve_to(cr, x1, y0, x1, y0, x1, y0 + radius);
vkvg_line_to(cr, x1, y1 - radius);
vkvg_curve_to(cr, x1, y1, x1, y1, x1 - radius, y1);
vkvg_line_to(cr, x0 + radius, y1);
vkvg_curve_to(cr, x0, y1, x0, y1, x0, y1 - radius);
}
}
vkvg_close_path(cr);
vkvg_set_source_rgb(cr, 0.5f, 0.5f, 1);
vkvg_fill_preserve(cr);
vkvg_set_source_rgba(cr, 0.5f, 0, 0, 0.5f);
vkvg_set_line_width(cr, 10.0f);
vkvg_stroke(cr);
}
static float rotation = 0.f;
void cairo_tests() {
rotation += 0.002f;
VkvgContext ctx = vkvg_create(surf);
vkvg_set_fill_rule(ctx, VKVG_FILL_RULE_EVEN_ODD);
vkvg_set_source_rgba(ctx, 1.0f, 1.0f, 1.0f, 1);
vkvg_paint(ctx);
vkvg_set_line_width(ctx, 10);
vkvg_set_source_rgb(ctx, 0, 0, 1);
vkvg_translate(ctx, test_width / 2, test_height / 2);
vkvg_rotate(ctx, rotation);
// vkvg_scale(ctx, 200,200);
vkvg_arc(ctx, 0, 0, 150, 0, M_PI * 1.5);
vkvg_stroke(ctx);
_test_rounded_rect(ctx);
vkvg_destroy(ctx);
}
int main(int argc, char *argv[]) {
no_test_size = true;
PERFORM_TEST(cairo_tests, argc, argv);
return 0;
}
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