test: Added test code for the lottie slot

This patch adds the test case for the recently introduced lottie slot API.

@Issues: https://github.com/thorvg/thorvg/issues/2029

test/capi/capiLottie.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2024 the ThorVG project. All rights reserved.
+
+ * 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 <thorvg_capi.h>
+#include <string.h>
+#include "config.h"
+#include "../catch.hpp"
+
+#ifdef THORVG_LOTTIE_LOADER_SUPPORT
+
+TEST_CASE("Lottie Slot", "[capiLottie]")
+{
+    REQUIRE(tvg_engine_init(TVG_ENGINE_SW, 0) == TVG_RESULT_SUCCESS);
+
+    Tvg_Animation* animation = tvg_lottie_animation_new();
+    REQUIRE(animation);
+
+    Tvg_Paint* picture = tvg_animation_get_picture(animation);
+    REQUIRE(picture);
+
+    Tvg_Identifier id = TVG_IDENTIFIER_UNDEF;
+    REQUIRE(tvg_paint_get_identifier(picture, &id) == TVG_RESULT_SUCCESS);
+    REQUIRE(id == TVG_IDENTIFIER_PICTURE);
+
+    const char* slotJson = R"({"gradient_fill":{"p":{"a":0,"k":[0,0.1,0.1,0.2,1,1,0.1,0.2,0.1,1]}}})";
+
+    //Slot override before loaded
+    REQUIRE(tvg_lottie_animation_override(animation, slotJson) == TVG_RESULT_INSUFFICIENT_CONDITION);
+
+    //Slot override
+    REQUIRE(tvg_picture_load(picture, TEST_DIR"/lottieslot.json") == TVG_RESULT_SUCCESS);
+    REQUIRE(tvg_lottie_animation_override(animation, slotJson) == TVG_RESULT_SUCCESS);
+
+    //Slot override with invalid JSON
+    REQUIRE(tvg_lottie_animation_override(animation, "") == TVG_RESULT_INVALID_ARGUMENT);
+
+    REQUIRE(tvg_animation_del(animation) == TVG_RESULT_SUCCESS);
+
+    REQUIRE(tvg_engine_term(TVG_ENGINE_SW) == TVG_RESULT_SUCCESS);
+}
+
+#endif

test/capi/meson.build

@@ -3,6 +3,7 @@ test_file = [
    'capiInitializer.cpp',
    'capiFill.cpp',
    'capiLinearGradient.cpp',
+   'capiLottie.cpp',
    'capiMain.cpp',
    'capiPaint.cpp',
    'capiPicture.cpp',

test/meson.build

@@ -7,6 +7,7 @@ test_file = [
     'testAnimation.cpp',
     'testFill.cpp',
     'testInitializer.cpp',
+    'testLottie.cpp',
     'testMain.cpp',
     'testPaint.cpp',
     'testPicture.cpp',

test/resources/lottieslot.json

@@ -0,0 +1 @@
+{"v":"4.8.0","meta":{"g":"LottieFiles AE 3.0.2","a":"","k":"","d":"","tc":""},"fr":60,"ip":0,"op":121,"w":550,"h":550,"nm":"C","assets":[],"layers":[{"ind":1,"ty":4,"nm":"S","sr":1,"ks":{"o":{"a":0,"k":100},"r":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[0]},{"t":120,"s":[360]}]},"p":{"a":0,"k":[275,275,0]},"a":{"a":0,"k":[-7.886,88.719,0]},"s":{"a":0,"k":[100,100,100]}},"ao":0,"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"a":0,"k":[282.019,134.888]},"p":{"a":0,"k":[0,0]},"r":{"a":0,"k":0},"nm":"R"},{"ty":"st","c":{"a":0,"k":[0.991,0,1,1]},"o":{"a":0,"k":100},"w":{"a":0,"k":3},"lc":1,"lj":1,"ml":4,"nm":"S"},{"ty":"gf","o":{"a":0,"k":100},"r":1,"g":{"p":9,"k":{"a":0,"k":[0,0.514,0.373,0.984,0.141,0.478,0.412,0.984,0.283,0.443,0.451,0.984,0.379,0.408,0.49,0.984,0.475,0.373,0.529,0.984,0.606,0.278,0.647,0.925,0.737,0.184,0.765,0.867,0.868,0.092,0.882,0.808,1,0,1,0.749],"sid":"gradient_fill"}},"s":{"a":0,"k":[-159.51,23.531]},"e":{"a":0,"k":[183.084,8.059]},"t":1,"nm":"G"},{"ty":"tr","p":{"a":0,"k":[-7.886,88.719]},"a":{"a":0,"k":[0,0]},"s":{"a":0,"k":[100,100]},"r":{"a":0,"k":0},"o":{"a":0,"k":100},"sk":{"a":0,"k":0},"sa":{"a":0,"k":0},"nm":"T"}],"nm":"R"}],"ip":0,"op":300,"st":0}],"slots":{"gradient_fill":{"p":{"a":0,"k":[0,0.1,0.1,0.2,1,1,0.1,0.2,0.1,1]}}},"markers":[]}

test/testLottie.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 the ThorVG project. All rights reserved.
+
+ * 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 <thorvg.h>
+#include <thorvg_lottie.h>
+#include <fstream>
+#include <cstring>
+#include "config.h"
+#include "catch.hpp"
+
+using namespace tvg;
+using namespace std;
+
+#ifdef THORVG_LOTTIE_LOADER_SUPPORT
+
+TEST_CASE("Lottie Slot", "[tvgLottie]")
+{
+    REQUIRE(Initializer::init(0) == Result::Success);
+
+    auto animation = LottieAnimation::gen();
+    REQUIRE(animation);
+
+    auto picture = animation->picture();
+    REQUIRE(picture->identifier == Picture::identifier);
+
+    const char* slotJson = R"({"gradient_fill":{"p":{"a":0,"k":[0,0.1,0.1,0.2,1,1,0.1,0.2,0.1,1]}}})";
+
+    //Slot override before loaded
+    REQUIRE(animation->override(slotJson) == Result::InsufficientCondition);
+
+    //Slot override
+    REQUIRE(picture->load(TEST_DIR"/lottieslot.json") == Result::Success);
+    REQUIRE(animation->override(slotJson) == Result::Success);
+
+    //Slot override with invalid JSON
+    REQUIRE(animation->override("") == Result::InvalidArguments);
+
+    REQUIRE(Initializer::term() == Result::Success);
+}
+
+#endif