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examples: added tint scene effect

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also, merged gausiaan, fill altogether in SceneEffects
This commit is contained in:
Hermet Park 2024-12-16 14:39:46 +09:00
parent b778f98206
commit 8e8611b608
3 changed files with 50 additions and 97 deletions
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84
examples/EffectFill.cpp
View file

@ -1,84 +0,0 @@
/*
* 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 "Example.h"
/************************************************************************/
/* ThorVG Drawing Contents */
/************************************************************************/
struct UserExample : tvgexam::Example
{
tvg::Scene* scene[3] = {nullptr, nullptr, nullptr};
bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
{
if (!canvas) return false;
for (int i = 0; i < 3; ++i) {
scene[i] = tvg::Scene::gen();
auto picture = tvg::Picture::gen();
picture->load(EXAMPLE_DIR"/svg/tiger.svg");
picture->size(w / 3, h);
picture->translate((w / 3) * i, 0);
scene[i]->push(picture);
canvas->push(scene[i]);
}
return true;
}
bool update(tvg::Canvas* canvas, uint32_t elapsed) override
{
if (!canvas) return false;
auto progress = tvgexam::progress(elapsed, 2.5f, true); //2.5 seconds
//Clear the previously applied effects
scene[0]->push(tvg::SceneEffect::ClearAll);
//Apply Fill post effect (rgba)
scene[0]->push(tvg::SceneEffect::Fill, 255, 255, 0, (int)(255.0f * progress));
scene[1]->push(tvg::SceneEffect::ClearAll);
scene[1]->push(tvg::SceneEffect::Fill, 255, 255, 255, (int)(255.0f * progress));
scene[2]->push(tvg::SceneEffect::ClearAll);
scene[2]->push(tvg::SceneEffect::Fill, 0, 255, 255, (int)(255.0f * progress));
canvas->update();
return true;
}
};
/************************************************************************/
/* Entry Point */
/************************************************************************/
int main(int argc, char **argv)
{
return tvgexam::main(new UserExample, argc, argv, true, 1200, 400, 4, true);
}

60
examples/EffectGaussianBlur.cpp → examples/SceneEffects.cpp
View file

@ -26,24 +26,55 @@
/* ThorVG Drawing Contents */
/************************************************************************/
#define SIZE 400
struct UserExample : tvgexam::Example
{
tvg::Scene* scene[3] = {nullptr, nullptr, nullptr}; //(for direction both, horizontal, vertical)
tvg::Scene* blur[3] = {nullptr, nullptr, nullptr}; //(for direction both, horizontal, vertical)
tvg::Scene* fill = nullptr;
tvg::Scene* tint = nullptr;
bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
{
if (!canvas) return false;
//blur scene
for (int i = 0; i < 3; ++i) {
scene[i] = tvg::Scene::gen();
blur[i] = tvg::Scene::gen();
auto picture = tvg::Picture::gen();
picture->load(EXAMPLE_DIR"/svg/tiger.svg");
picture->size(w / 3, h);
picture->translate((w / 3) * i, 0);
picture->size(SIZE, SIZE);
picture->translate(SIZE * i, 0);
scene[i]->push(picture);
canvas->push(scene[i]);
blur[i]->push(picture);
canvas->push(blur[i]);
}
//fill scene
{
fill = tvg::Scene::gen();
auto picture = tvg::Picture::gen();
picture->load(EXAMPLE_DIR"/svg/tiger.svg");
picture->size(SIZE, SIZE);
picture->translate(0, SIZE);
fill->push(picture);
canvas->push(fill);
}
//tint scene
{
tint = tvg::Scene::gen();
auto picture = tvg::Picture::gen();
picture->load(EXAMPLE_DIR"/svg/tiger.svg");
picture->size(SIZE, SIZE);
picture->translate(SIZE, SIZE);
tint->push(picture);
canvas->push(tint);
}
return true;
@ -55,13 +86,20 @@ struct UserExample : tvgexam::Example
auto progress = tvgexam::progress(elapsed, 2.5f, true); //2.5 seconds
//Apply GaussianBlur post effect (sigma, direction, border option, quality)
for (int i = 0; i < 3; ++i) {
//Clear the previously applied effects
scene[i]->push(tvg::SceneEffect::ClearAll);
//Apply GaussianBlur post effect (sigma, direction, border option, quality)
scene[i]->push(tvg::SceneEffect::GaussianBlur, 10.0f * progress, i, 0, 100);
blur[i]->push(tvg::SceneEffect::ClearAll);
blur[i]->push(tvg::SceneEffect::GaussianBlur, 10.0f * progress, i, 0, 100);
}
//Apply Fill post effect (rgba)
fill->push(tvg::SceneEffect::ClearAll);
fill->push(tvg::SceneEffect::Fill, (int)(progress * 255), 0, 0, (int)(255.0f * progress));
//Apply Tint post effect (black:rgb, white:rgb, intensity)
tint->push(tvg::SceneEffect::ClearAll);
tint->push(tvg::SceneEffect::Tint, 0, 0, 0, 0, (int)(progress * 255), 0, progress * 100.0f);
canvas->update();
return true;
@ -76,5 +114,5 @@ struct UserExample : tvgexam::Example
int main(int argc, char **argv)
{
return tvgexam::main(new UserExample, argc, argv, true, 1200, 400, 4, true);
return tvgexam::main(new UserExample, argc, argv, true, SIZE * 3, SIZE * 2, 4, true);
}

3
examples/meson.build
View file

@ -30,8 +30,7 @@ source_file = [
'DirectUpdate.cpp',
'Duplicate.cpp',
'EffectDropShadow.cpp',
'EffectGaussianBlur.cpp',
'EffectFill.cpp',
'SceneEffects.cpp',
'FillRule.cpp',
'FillSpread.cpp',
'GifSaver.cpp',