Home | History | Annotate | Download | only in tests 
      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 
     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 
     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 
     85 DEF_TEST(C_API, reporter) {
     86     test_c(reporter);
     87     shader_test(reporter);
     88 }
     89