1 /*
2  * Copyright 2014 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "Test.h"
9 
10 #include "sk_canvas.h"
11 #include "sk_paint.h"
12 #include "sk_surface.h"
13 #include "sk_shader.h"
14 
shader_test(skiatest::Reporter * reporter)15 static void shader_test(skiatest::Reporter* reporter) {
16     sk_imageinfo_t info =
17         {64, 64, sk_colortype_get_default_8888(), PREMUL_SK_ALPHATYPE};
18     sk_surface_t* surface  = sk_surface_new_raster(&info, nullptr);
19     sk_canvas_t* canvas = sk_surface_get_canvas(surface);
20     sk_paint_t* paint = sk_paint_new();
21 
22     sk_shader_tilemode_t tilemode = CLAMP_SK_SHADER_TILEMODE;
23     sk_point_t point = {0.0f, 0.0f};
24     sk_point_t point2 = {30.0f, 40.0f};
25     sk_color_t colors[] = {
26         (sk_color_t)sk_color_set_argb(0xFF, 0x00, 0x00, 0xFF),
27         (sk_color_t)sk_color_set_argb(0xFF, 0x00, 0xFF, 0x00)
28     };
29     sk_shader_t* shader;
30 
31     shader = sk_shader_new_radial_gradient(
32             &point, 1.0f, colors, nullptr, 2, tilemode, nullptr);
33     REPORTER_ASSERT(reporter, shader != nullptr);
34     sk_paint_set_shader(paint, shader);
35     sk_shader_unref(shader);
36     sk_canvas_draw_paint(canvas, paint);
37 
38     shader = sk_shader_new_sweep_gradient(&point, colors, nullptr, 2, nullptr);
39     REPORTER_ASSERT(reporter, shader != nullptr);
40     sk_paint_set_shader(paint, shader);
41     sk_shader_unref(shader);
42     sk_canvas_draw_paint(canvas, paint);
43 
44     shader = sk_shader_new_two_point_conical_gradient(
45             &point, 10.0f,  &point2, 50.0f, colors, nullptr, 2, tilemode, nullptr);
46     REPORTER_ASSERT(reporter, shader != nullptr);
47     sk_paint_set_shader(paint, shader);
48     sk_shader_unref(shader);
49     sk_canvas_draw_paint(canvas, paint);
50 
51     sk_paint_delete(paint);
52     sk_surface_unref(surface);
53 }
54 
test_c(skiatest::Reporter * reporter)55 static void test_c(skiatest::Reporter* reporter) {
56     sk_colortype_t ct = sk_colortype_get_default_8888();
57 
58     sk_imageinfo_t info = {
59         1, 1, ct, PREMUL_SK_ALPHATYPE
60     };
61     uint32_t pixel[1] = { 0 };
62     sk_surfaceprops_t surfaceProps = { UNKNOWN_SK_PIXELGEOMETRY };
63 
64     sk_surface_t* surface = sk_surface_new_raster_direct(&info, pixel, sizeof(uint32_t),
65                                                          &surfaceProps);
66     sk_paint_t* paint = sk_paint_new();
67 
68     sk_canvas_t* canvas = sk_surface_get_canvas(surface);
69     sk_canvas_draw_paint(canvas, paint);
70     REPORTER_ASSERT(reporter, 0xFF000000 == pixel[0]);
71 
72     sk_paint_set_color(paint, sk_color_set_argb(0xFF, 0xFF, 0xFF, 0xFF));
73     sk_canvas_draw_paint(canvas, paint);
74     REPORTER_ASSERT(reporter, 0xFFFFFFFF == pixel[0]);
75 
76     sk_paint_set_xfermode_mode(paint, SRC_SK_XFERMODE_MODE);
77     sk_paint_set_color(paint, sk_color_set_argb(0x80, 0x80, 0x80, 0x80));
78     sk_canvas_draw_paint(canvas, paint);
79     REPORTER_ASSERT(reporter, 0x80404040 == pixel[0]);
80 
81     sk_paint_delete(paint);
82     sk_surface_unref(surface);
83 }
84 
DEF_TEST(C_API,reporter)85 DEF_TEST(C_API, reporter) {
86     test_c(reporter);
87     shader_test(reporter);
88 }
89