example: removed interaction sample

LottieTweening is replaced with it.

examples/Interaction.cpp

@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2024 - 2025 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 "Example.h"
-
-/************************************************************************/
-/* ThorVG Drawing Contents                                              */
-/************************************************************************/
-
-struct UserExample : tvgexam::Example
-{
-    unique_ptr<tvg::Animation> animation;
-    float begin = 0.0f;
-
-    bool hitting(const tvg::Paint* paint, int32_t x, int32_t y, float segment1, float segment2)
-    {
-        float px, py, pw, ph;
-        tvgexam::verify(paint->bounds(&px, &py, &pw, &ph, true));
-        if (x >= px && x <= px + pw && y >= py && y <= py + ph) {
-            tvgexam::verify(animation->segment(segment1, segment2));
-            elapsed = 0;
-            begin = timestamp();
-            return true;
-        }
-        return false;
-    }
-
-    bool clicked(tvg::Canvas* canvas, int32_t x, int32_t y) override
-    {
-        auto picture = animation->picture();
-
-        //pad1 touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("pad1"))) {
-            if (hitting(paint, x, y, 20.0f, 30.0f)) return true;
-        }
-
-        //pad3 touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("pad3"))) {
-            if (hitting(paint, x, y, 40.0f, 50.0f)) return true;
-        }
-
-        //pad5 touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("pad5"))) {
-            if (hitting(paint, x, y, 10.0f, 20.0f)) return true;
-        }
-
-        //pad7 touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("pad7"))) {
-            if (hitting(paint, x, y, 0.0f, 10.0f)) return true;
-        }
-
-        //pad9 touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("pad9"))) {
-            if (hitting(paint, x, y, 30.0f, 40.0f)) return true;
-        }
-
-        //bar touch?
-        if (auto paint = picture->paint(tvg::Accessor::id("bar"))) {
-            if (hitting(paint, x, y, 60.0f, 90.0f)) return true;
-        }
-
-        return false;
-    }
-
-    bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
-    {
-        //Animation Controller
-        animation = unique_ptr<tvg::Animation>(tvg::Animation::gen());
-        auto picture = animation->picture();
-
-        //Background
-        auto shape = tvg::Shape::gen();
-        shape->appendRect(0, 0, w, h);
-        shape->fill(50, 50, 50);
-        canvas->push(shape);
-
-        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/lottie/extensions/locker.json"))) return false;
-
-        //image scaling preserving its aspect ratio
-        float scale;
-        float shiftX = 0.0f, shiftY = 0.0f;
-        float w2, h2;
-        picture->size(&w2, &h2);
-
-        if (w2 > h2) {
-            scale = w / w2;
-            shiftY = (h - h2 * scale) * 0.5f;
-        } else {
-            scale = h / h2;
-            shiftX = (w - w2 * scale) * 0.5f;
-        }
-
-        picture->scale(scale);
-        picture->translate(shiftX, shiftY);
-
-        canvas->push(picture);
-
-        //Default is a stopped motion
-        animation->segment(0.0f, 0.0f);
-
-        return true;
-    }
-
-    bool update(tvg::Canvas* canvas, uint32_t elapsed) override
-    {
-        if (!canvas) return false;
-
-        auto progress = (timestamp() - begin) / animation->duration();
-
-        //Default is a stopped motion
-        if (progress > 1.0f) {
-            animation->segment(0.0f, 0.0f);
-            this->elapsed = 0;
-            progress = 0.0f;
-        }
-
-        //Update animation frame only when it's changed
-        animation->frame(animation->totalFrame() * progress);
-        canvas->update();
-
-        return true;
-    }
-};
-
-
-/************************************************************************/
-/* Entry Point                                                          */
-/************************************************************************/
-
-int main(int argc, char **argv)
-{
-    return tvgexam::main(new UserExample, argc, argv, true, 1024, 1024, 0);
-}

examples/meson.build

@@ -40,7 +40,6 @@ source_file = [
     'ImageRotation.cpp',
     'ImageScaleDown.cpp',
     'ImageScaleUp.cpp',
-    'Interaction.cpp',
     'InvLumaMasking.cpp',
     'InvMasking.cpp',
     'LinearGradient.cpp',