examples: chores++

- removed AnimatedMasking.
- unified ImageScaleUp/Down.
- build GifSaver only gif_saver is enabled.

examples/AnimateMasking.cpp

@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2020 - 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
-{
-    tvg::Shape* maskShape = nullptr;
-    tvg::Shape* mask = nullptr;
-
-    bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
-    {
-        if (!canvas) return false;
-
-        // background
-        auto bg = tvg::Shape::gen();
-        bg->appendRect(0, 0, w, h);
-        bg->fill(255, 255, 255);
-        canvas->push(bg);
-
-        //image
-        auto picture1 = tvg::Picture::gen();
-        if (!tvgexam::verify(picture1->load(EXAMPLE_DIR"/svg/cartman.svg"))) return false;
-        picture1->size(400, 400);
-        canvas->push(picture1);
-
-        auto picture2 = tvg::Picture::gen();
-        picture2->load(EXAMPLE_DIR"/svg/logo.svg");
-        picture2->size(400, 400);
-
-        //mask
-        maskShape = tvg::Shape::gen();
-        maskShape->appendCircle(180, 180, 75, 75);
-        maskShape->fill(125, 125, 125);
-        maskShape->strokeFill(25, 25, 25);
-        maskShape->strokeJoin(tvg::StrokeJoin::Round);
-        maskShape->strokeWidth(10);
-        canvas->push(maskShape);
-
-        mask = tvg::Shape::gen();
-        mask->appendCircle(180, 180, 75, 75);
-        mask->fill(255, 255, 255);         //AlphaMask RGB channels are unused.
-
-        picture2->mask(mask, tvg::MaskMethod::Alpha);
-        canvas->push(picture2);
-
-        return true;
-    }
-
-    bool update(tvg::Canvas* canvas, uint32_t elapsed) override
-    {
-        if (!canvas) return false;
-
-        /* Update shape directly.
-           You can update only necessary properties of this shape,
-           while retaining other properties. */
-        auto progress = tvgexam::progress(elapsed, 3.0f, true);  //play time 3 sec.
-
-        // Translate mask object with its stroke & update
-        maskShape->translate(0 , progress * 300 - 100);
-        mask->translate(0 , progress * 300 - 100);
-
-        canvas->update();
-
-        return true;
-    }
-};
-
-
-/************************************************************************/
-/* Entry Point                                                          */
-/************************************************************************/
-
-int main(int argc, char **argv)
-{
-    return tvgexam::main(new UserExample, argc, argv);
-}

examples/ImageRotation.cpp

@@ -43,7 +43,7 @@ struct UserExample : tvgexam::Example
 
         picture = tvg::Picture::gen();
 
-        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/image/scaledown.jpg"))) return false;
+        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/image/scale.jpg"))) return false;
 
         canvas->push(picture);
 

examples/ImageScaleUp.cpp

@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2021 - 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
-{
-    tvg::Picture* picture = nullptr;
-
-    bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
-    {
-        if (!canvas) return false;
-
-        //Original
-        picture = tvg::Picture::gen();
-
-        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/image/scaleup.jpg"))) return false;
-
-        canvas->push(picture);
-
-        return true;
-    }
-
-    bool update(tvg::Canvas* canvas, uint32_t elapsed) override
-    {
-        if (!canvas) return false;
-
-        auto progress = tvgexam::progress(elapsed, 7.0f, true);  //play time 7 sec.
-
-        picture->scale(progress * 4.0f);
-
-        canvas->update(picture);
-
-        return true;
-    }
-};
-
-
-/************************************************************************/
-/* Entry Point                                                          */
-/************************************************************************/
-
-int main(int argc, char **argv)
-{
-    return tvgexam::main(new UserExample, argc, argv, true);
-}

examples/ImageScaling.cpp

@@ -37,7 +37,7 @@ struct UserExample : tvgexam::Example
         //Original
         picture = tvg::Picture::gen();
 
-        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/image/scaledown.jpg"))) return false;
+        if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/image/scale.jpg"))) return false;
 
         canvas->push(picture);
 
@@ -48,9 +48,9 @@ struct UserExample : tvgexam::Example
     {
         if (!canvas) return false;
 
-        auto progress = tvgexam::progress(elapsed, 7.0f, true);  //play time 7 sec.
+        auto progress = tvgexam::progress(elapsed, 3.0f, true);  //play time 3 secs.
 
-        picture->scale(1.0f - progress);
+        picture->scale((1.0f - progress) * 1.5f);
 
         canvas->update(picture);
 
@@ -65,5 +65,5 @@ struct UserExample : tvgexam::Example
 
 int main(int argc, char **argv)
 {
-    return tvgexam::main(new UserExample, argc, argv, true);
+    return tvgexam::main(new UserExample, argc, argv, true, 1024, 1024);
 }

examples/meson.build

@@ -21,7 +21,6 @@ endif
 
 source_file = [
     'Accessor.cpp',
-    'AnimateMasking.cpp',
     'Animation.cpp',
     'Blending.cpp',
     'BoundingBox.cpp',
@@ -34,13 +33,11 @@ source_file = [
     'SceneEffects.cpp',
     'FillRule.cpp',
     'FillSpread.cpp',
-    'GifSaver.cpp',
     'GradientMasking.cpp',
     'GradientStroke.cpp',
     'GradientTransform.cpp',
     'ImageRotation.cpp',
-    'ImageScaleDown.cpp',
-    'ImageScaleUp.cpp',
+    'ImageScaling.cpp',
     'LinearGradient.cpp',
     'Lottie.cpp',
     'LumaMasking.cpp',
@@ -71,6 +68,9 @@ source_file = [
     'Viewport.cpp'
 ]
 
+if gif_saver
+    source_file += 'GifSaver.cpp'
+endif
 
 if lottie_loader
     source_file += ['LottieExtension.cpp', 'LottieTweening.cpp']