Grcov report - arc-direction.c

1

/*

2

 * Copyright © 2012 Intel Corporation

3

4

 * Permission is hereby granted, free of charge, to any person

5

 * obtaining a copy of this software and associated documentation

6

 * files (the "Software"), to deal in the Software without

7

 * restriction, including without limitation the rights to use, copy,

8

 * modify, merge, publish, distribute, sublicense, and/or sell copies

9

 * of the Software, and to permit persons to whom the Software is

10

 * furnished to do so, subject to the following conditions:

11

12

 * The above copyright notice and this permission notice shall be

13

 * included in all copies or substantial portions of the Software.

14

15

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

16

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

17

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

18

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

19

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

20

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

21

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

22

 * SOFTWARE.

23

24

 * Author: Chris Wilson <chris@chris-wilson.co.uk>

25

*/

26

27

#include "cairo-test.h"

28

29

#define SIZE		(2 * 20)

30

#define PAD		(2)

31

32

static cairo_test_status_t

33

12

draw_arcs (cairo_t *cr)

34

35

12

    double start = M_PI/12, stop = 2*start;

36

37

12

    cairo_move_to (cr, SIZE/2, SIZE/2);

38

12

    cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, start, stop);

39

12

    cairo_fill (cr);

40

41

12

    cairo_translate (cr, SIZE+PAD, 0);

42

12

    cairo_move_to (cr, SIZE/2, SIZE/2);

43

12

    cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start);

44

12

    cairo_fill (cr);

45

46

12

    cairo_translate (cr, 0, SIZE+PAD);

47

12

    cairo_move_to (cr, SIZE/2, SIZE/2);

48

12

    cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start);

49

12

    cairo_fill (cr);

50

51

12

    cairo_translate (cr, -SIZE-PAD, 0);

52

12

    cairo_move_to (cr, SIZE/2, SIZE/2);

53

12

    cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, start, stop);

54

12

    cairo_fill (cr);

55

56

12

    return CAIRO_TEST_SUCCESS;

57

58

59

static cairo_test_status_t

60

3

draw (cairo_t *cr, int width, int height)

61

62

3

    cairo_save (cr);

63

3

    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */

64

3

    cairo_paint (cr);

65

3

    cairo_restore (cr);

66

67

3

    cairo_save (cr);

68

3

    cairo_translate (cr, PAD, PAD);

69

3

    draw_arcs(cr);

70

3

    cairo_restore (cr);

71

72

3

    cairo_set_source_rgb (cr, 1, 0, 0);

73

3

    cairo_translate (cr, 2*SIZE+3*PAD, 0);

74

3

    cairo_save (cr);

75

3

    cairo_translate (cr, 2*SIZE+2*PAD, PAD);

76

3

    cairo_scale (cr, -1, 1);

77

3

    draw_arcs(cr);

78

3

    cairo_restore (cr);

79

80

3

    cairo_set_source_rgb (cr, 1, 0, 1);

81

3

    cairo_translate (cr, 0, 2*SIZE+3*PAD);

82

3

    cairo_save (cr);

83

3

    cairo_translate (cr, 2*SIZE+2*PAD, 2*SIZE+2*PAD);

84

3

    cairo_scale (cr, -1, -1);

85

3

    draw_arcs(cr);

86

3

    cairo_restore (cr);

87

88

3

    cairo_set_source_rgb (cr, 0, 0, 1);

89

3

    cairo_translate (cr, -(2*SIZE+3*PAD), 0);

90

3

    cairo_save (cr);

91

3

    cairo_translate (cr, PAD, 2*SIZE+2*PAD);

92

3

    cairo_scale (cr, 1, -1);

93

3

    draw_arcs(cr);

94

3

    cairo_restore (cr);

95

96

3

    return CAIRO_TEST_SUCCESS;

97

98

99

1

CAIRO_TEST (arc_direction,

100

	    "Test drawing positive/negative arcs",

101

	    "arc, fill", /* keywords */

102

	    NULL, /* requirements */

103

	    2*(3*PAD + 2*SIZE), 2*(3*PAD + 2*SIZE),

104

	    NULL, draw)

105