test/capi/capiRadialGradient.cpp

   1 /*
   2  * Copyright (c) 2021 - 2023 the ThorVG project. All rights reserved.
   3
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10
  11  * The above copyright notice and this permission notice shall be included in all
  12  * copies or substantial portions of the Software.
  13
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include <thorvg_capi.h>
  24 #include "config.h"
  25 #include "../catch.hpp"
  26
  27 TEST_CASE("Basic Create", "[capiRadialGradient]")
  28 {
  29     Tvg_Gradient *gradient = tvg_radial_gradient_new();
  30     REQUIRE(gradient);
  31     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
  32 }
  33
  34 TEST_CASE("Set gradient center point and radius", "[capiRadialGradient]")
  35 {
  36     Tvg_Gradient *gradient = tvg_radial_gradient_new();
  37     REQUIRE(gradient);
  38     REQUIRE(tvg_radial_gradient_set(gradient, 10.0, 15.0, 30.0) == TVG_RESULT_SUCCESS);
  39
  40     float cx, cy, radius;
  41     REQUIRE(tvg_radial_gradient_get(gradient, &cx, &cy, &radius) == TVG_RESULT_SUCCESS);
  42     REQUIRE(cx == Approx(10.0).margin(0.000001));
  43     REQUIRE(cy == Approx(15.0).margin(0.000001));
  44     REQUIRE(radius == Approx(30.0).margin(0.000001));
  45
  46     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
  47 }
  48
  49 TEST_CASE("Set gradient in shape", "[capiRadialGradient]")
  50 {
  51     REQUIRE(tvg_shape_set_radial_gradient(NULL, NULL) == TVG_RESULT_INVALID_ARGUMENT);
  52
  53     Tvg_Gradient *gradient = tvg_radial_gradient_new();
  54     REQUIRE(gradient);
  55
  56     Tvg_Paint *shape = tvg_shape_new();
  57     REQUIRE(shape);
  58
  59     REQUIRE(tvg_shape_set_radial_gradient(NULL, gradient) == TVG_RESULT_INVALID_ARGUMENT);
  60     REQUIRE(tvg_shape_set_radial_gradient(shape, gradient) == TVG_RESULT_SUCCESS);
  61
  62     Tvg_Gradient *gradient_ret = NULL;
  63     REQUIRE(tvg_shape_get_gradient(shape, &gradient_ret) == TVG_RESULT_SUCCESS);
  64     REQUIRE(gradient_ret);
  65
  66     REQUIRE(tvg_shape_set_radial_gradient(shape, NULL) == TVG_RESULT_MEMORY_CORRUPTION);
  67     REQUIRE(tvg_paint_del(shape) == TVG_RESULT_SUCCESS);
  68 }
  69
  70 TEST_CASE("Set/Get color stops", "[capiRadialGradient]")
  71 {
  72     Tvg_Paint *shape = tvg_shape_new();
  73     REQUIRE(shape);
  74
  75     Tvg_Gradient *gradient = tvg_radial_gradient_new();
  76     REQUIRE(gradient);
  77
  78     Tvg_Color_Stop color_stops[2] = {
  79         {0.0, 0, 0,   0, 255},
  80         {1.0, 0, 255, 0, 255},
  81     };
  82
  83     const Tvg_Color_Stop *color_stops_ret;
  84     uint32_t color_stops_count_ret;
  85
  86     REQUIRE(tvg_gradient_set_color_stops(gradient, color_stops, 2) == TVG_RESULT_SUCCESS);
  87     REQUIRE(tvg_gradient_get_color_stops(gradient, &color_stops_ret, &color_stops_count_ret) == TVG_RESULT_SUCCESS);
  88     REQUIRE(color_stops_count_ret == 2);
  89
  90     REQUIRE(color_stops_ret[0].a == 255);
  91     REQUIRE(color_stops_ret[1].g == 255);
  92
  93     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
  94     REQUIRE(tvg_paint_del(shape) == TVG_RESULT_SUCCESS);
  95 }
  96
  97 TEST_CASE("Clear gradient data", "[capiRadialGradient]")
  98 {
  99     Tvg_Paint *shape = tvg_shape_new();
 100     REQUIRE(shape);
 101
 102     Tvg_Gradient *gradient = tvg_radial_gradient_new();
 103     REQUIRE(gradient);
 104
 105     Tvg_Color_Stop color_stops[2] = {
 106         {0.0, 0, 0,   0, 255},
 107         {1.0, 0, 255, 0, 255},
 108     };
 109
 110     const Tvg_Color_Stop *color_stops_ret;
 111     uint32_t color_stops_count_ret;
 112
 113     REQUIRE(tvg_gradient_set_color_stops(gradient, color_stops, 2) == TVG_RESULT_SUCCESS);
 114     REQUIRE(tvg_gradient_get_color_stops(gradient, &color_stops_ret, &color_stops_count_ret) == TVG_RESULT_SUCCESS);
 115     REQUIRE(color_stops_ret);
 116     REQUIRE(color_stops_count_ret == 2);
 117
 118     REQUIRE(tvg_gradient_set_color_stops(gradient, NULL, 0) == TVG_RESULT_SUCCESS);
 119     REQUIRE(tvg_gradient_get_color_stops(gradient, &color_stops_ret, &color_stops_count_ret) == TVG_RESULT_SUCCESS);
 120     REQUIRE(color_stops_ret == NULL);
 121     REQUIRE(color_stops_count_ret == 0);
 122
 123     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
 124     REQUIRE(tvg_paint_del(shape) == TVG_RESULT_SUCCESS);
 125 }
 126
 127 TEST_CASE("Set/Get gradient spread", "[capiRadialGradient]")
 128 {
 129     Tvg_Gradient *gradient = tvg_radial_gradient_new();
 130     REQUIRE(gradient);
 131
 132     REQUIRE(tvg_gradient_set_spread(gradient, TVG_STROKE_FILL_PAD) == TVG_RESULT_SUCCESS);
 133
 134     Tvg_Stroke_Fill spread;
 135     REQUIRE(tvg_gradient_get_spread(gradient, &spread) == TVG_RESULT_SUCCESS);
 136     REQUIRE(spread == TVG_STROKE_FILL_PAD);
 137
 138     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
 139     REQUIRE(tvg_gradient_del(NULL) == TVG_RESULT_INVALID_ARGUMENT);
 140 }
 141
 142 TEST_CASE("Radial Gradient transformation", "[capiRadialGradient]")
 143 {
 144     Tvg_Gradient *gradient = tvg_radial_gradient_new();
 145     REQUIRE(gradient);
 146
 147     Tvg_Matrix matrix_get;
 148
 149     REQUIRE(tvg_gradient_get_transform(NULL, &matrix_get) == TVG_RESULT_INVALID_ARGUMENT);
 150     REQUIRE(tvg_gradient_get_transform(gradient, NULL) == TVG_RESULT_INVALID_ARGUMENT);
 151     REQUIRE(tvg_gradient_get_transform(gradient, &matrix_get) == TVG_RESULT_SUCCESS);
 152
 153     REQUIRE(matrix_get.e11 == Approx(1.0f).margin(0.000001));
 154     REQUIRE(matrix_get.e12 == Approx(0.0f).margin(0.000001));
 155     REQUIRE(matrix_get.e13 == Approx(0.0f).margin(0.000001));
 156     REQUIRE(matrix_get.e21 == Approx(0.0f).margin(0.000001));
 157     REQUIRE(matrix_get.e22 == Approx(1.0f).margin(0.000001));
 158     REQUIRE(matrix_get.e23 == Approx(0.0f).margin(0.000001));
 159     REQUIRE(matrix_get.e31 == Approx(0.0f).margin(0.000001));
 160     REQUIRE(matrix_get.e32 == Approx(0.0f).margin(0.000001));
 161     REQUIRE(matrix_get.e33 == Approx(1.0f).margin(0.000001));
 162
 163     Tvg_Matrix matrix_set = {1.1f, -2.2f, 3.3f, -4.4f, 5.5f, -6.6f, 7.7f, -8.8f, 9.9f};
 164     REQUIRE(tvg_gradient_set_transform(NULL, &matrix_set) == TVG_RESULT_INVALID_ARGUMENT);
 165     REQUIRE(tvg_gradient_set_transform(gradient, NULL) == TVG_RESULT_INVALID_ARGUMENT);
 166     REQUIRE(tvg_gradient_set_transform(gradient, &matrix_set) == TVG_RESULT_SUCCESS);
 167
 168     REQUIRE(tvg_gradient_get_transform(gradient, &matrix_get) == TVG_RESULT_SUCCESS);
 169
 170     REQUIRE(matrix_get.e11 == Approx(matrix_set.e11).margin(0.000001));
 171     REQUIRE(matrix_get.e12 == Approx(matrix_set.e12).margin(0.000001));
 172     REQUIRE(matrix_get.e13 == Approx(matrix_set.e13).margin(0.000001));
 173     REQUIRE(matrix_get.e21 == Approx(matrix_set.e21).margin(0.000001));
 174     REQUIRE(matrix_get.e22 == Approx(matrix_set.e22).margin(0.000001));
 175     REQUIRE(matrix_get.e23 == Approx(matrix_set.e23).margin(0.000001));
 176     REQUIRE(matrix_get.e31 == Approx(matrix_set.e31).margin(0.000001));
 177     REQUIRE(matrix_get.e32 == Approx(matrix_set.e32).margin(0.000001));
 178     REQUIRE(matrix_get.e33 == Approx(matrix_set.e33).margin(0.000001));
 179
 180     REQUIRE(tvg_gradient_del(gradient) == TVG_RESULT_SUCCESS);
 181 }
 182
 183 TEST_CASE("Stroke Radial Gradient", "[capiRadialGradient]")
 184 {
 185     Tvg_Paint *shape = tvg_shape_new();
 186     REQUIRE(shape);
 187
 188     Tvg_Gradient *gradient = tvg_radial_gradient_new();
 189     REQUIRE(gradient);
 190
 191     REQUIRE(tvg_radial_gradient_set(gradient, 10.0, 15.0, 30.0) == TVG_RESULT_SUCCESS);
 192
 193     Tvg_Color_Stop color_stops[2] = {
 194         {0.0, 0, 0,   0, 255},
 195         {1.0, 0, 255, 0, 255},
 196     };
 197
 198     Tvg_Gradient *gradient_ret = NULL;
 199     const Tvg_Color_Stop *color_stops_ret = NULL;
 200     uint32_t color_stops_count_ret = 0;
 201
 202     REQUIRE(tvg_gradient_set_color_stops(gradient, color_stops, 2) == TVG_RESULT_SUCCESS);
 203
 204     REQUIRE(tvg_shape_set_stroke_radial_gradient(NULL, NULL) == TVG_RESULT_INVALID_ARGUMENT);
 205     REQUIRE(tvg_shape_set_stroke_radial_gradient(NULL, gradient) == TVG_RESULT_INVALID_ARGUMENT);
 206     REQUIRE(tvg_shape_set_stroke_radial_gradient(shape, gradient) == TVG_RESULT_SUCCESS);
 207
 208     REQUIRE(tvg_shape_get_stroke_gradient(shape, &gradient_ret) == TVG_RESULT_SUCCESS);
 209     REQUIRE(gradient_ret);
 210
 211     REQUIRE(tvg_gradient_get_color_stops(gradient_ret, &color_stops_ret,  &color_stops_count_ret) == TVG_RESULT_SUCCESS);
 212     REQUIRE(color_stops_ret);
 213     REQUIRE(color_stops_count_ret == 2);
 214
 215     float cx, cy, radius;
 216     REQUIRE(tvg_radial_gradient_get(gradient_ret, &cx, &cy, &radius) == TVG_RESULT_SUCCESS);
 217     REQUIRE(cx == Approx(10.0).margin(0.000001));
 218     REQUIRE(cy == Approx(15.0).margin(0.000001));
 219     REQUIRE(radius == Approx(30.0).margin(0.000001));
 220
 221     REQUIRE(tvg_paint_del(shape) == TVG_RESULT_SUCCESS);
 222 }