examples MaskMethods: add a new example

This is introduced for Masking Methods.
This commit is contained in:
Hermet Park 2023-05-23 19:20:47 +09:00
parent fddc409728
commit d4dc625481
2 changed files with 436 additions and 0 deletions

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@ -0,0 +1,435 @@
/*
* Copyright (c) 2023 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 "Common.h"
#include <fstream>
/************************************************************************/
/* Drawing Commands */
/************************************************************************/
void tvgDrawCmds(tvg::Canvas* canvas)
{
if (!canvas) return;
//Image source
ifstream file(EXAMPLE_DIR"/rawimage_200x300.raw");
if (!file.is_open()) return;
auto data = (uint32_t*) malloc(sizeof(uint32_t) * (200 * 300));
file.read(reinterpret_cast<char*>(data), sizeof (uint32_t) * 200 * 300);
file.close();
{
//Shape + Shape Mask Add
auto shape = tvg::Shape::gen();
shape->appendCircle(125, 100, 50, 50);
shape->fill(255, 255, 255, 255);
auto mask = tvg::Shape::gen();
mask->appendCircle(175, 100, 50, 50);
mask->fill(255, 255, 255, 255);
shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
canvas->push(std::move(shape));
//Shape + Shape Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendCircle(375, 100, 50, 50);
shape2->fill(255, 255, 255, 255);
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(400, 100, 50, 50);
mask2->fill(255, 255, 255, 255);
shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
canvas->push(std::move(shape2));
//Shape + Shape Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendCircle(625, 100, 50, 50);
shape3->fill(255, 255, 255, 255);
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(650, 100, 50, 50);
mask3->fill(255, 255, 255, 255);
shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
canvas->push(std::move(shape3));
//Shape + Shape Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendCircle(875, 100, 50, 50);
shape4->fill(255, 255, 255, 255);
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(900, 100, 50, 50);
mask4->fill(255, 255, 255, 255);
shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
canvas->push(std::move(shape4));
}
{
//Shape + Image Mask Add
auto shape = tvg::Shape::gen();
shape->appendCircle(150, 250, 50, 50);
shape->fill(255, 255, 255, 255);
auto mask = tvg::Picture::gen();
if (mask->load(data, 200, 300, true) != tvg::Result::Success) return;
mask->translate(100, 250);
mask->scale(0.5f);
shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
canvas->push(std::move(shape));
//Shape + Image Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendCircle(400, 250, 50, 50);
shape2->fill(255, 255, 255, 255);
auto mask2 = tvg::Picture::gen();
if (mask2->load(data, 200, 300, true) != tvg::Result::Success) return;
mask2->translate(350, 250);
mask2->scale(0.5f);
shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
canvas->push(std::move(shape2));
//Shape + Image Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendCircle(650, 250, 50, 50);
shape3->fill(255, 255, 255, 255);
auto mask3 = tvg::Picture::gen();
if (mask3->load(data, 200, 300, true) != tvg::Result::Success) return;
mask3->translate(600, 250);
mask3->scale(0.5f);
shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
canvas->push(std::move(shape3));
//Shape + Image Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendCircle(900, 250, 50, 50);
shape4->fill(255, 255, 255, 255);
auto mask4 = tvg::Picture::gen();
if (mask4->load(data, 200, 300, true) != tvg::Result::Success) return;
mask4->translate(850, 250);
mask4->scale(0.5f);
shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
canvas->push(std::move(shape4));
}
{
//Rect + Rect Mask Add
auto shape = tvg::Shape::gen();
shape->appendRect(75, 500, 100, 100, 0, 0);
shape->fill(255, 255, 255, 255);
auto mask = tvg::Shape::gen();
mask->appendRect(125, 450, 100, 100, 0, 0);
mask->fill(255, 255, 255, 255);
shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
canvas->push(std::move(shape));
//Rect + Rect Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendRect(325, 500, 100, 100, 0, 0);
shape2->fill(255, 255, 255, 255);
auto mask2 = tvg::Shape::gen();
mask2->appendRect(375, 450, 100, 100, 0, 0);
mask2->fill(255, 255, 255, 255);
shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
canvas->push(std::move(shape2));
//Rect + Rect Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendRect(575, 500, 100, 100, 0, 0);
shape3->fill(255, 255, 255, 255);
auto mask3 = tvg::Shape::gen();
mask3->appendRect(625, 450, 100, 100, 0, 0);
mask3->fill(255, 255, 255, 255);
shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
canvas->push(std::move(shape3));
//Rect + Rect Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendRect(825, 500, 100, 100, 0, 0);
shape4->fill(255, 255, 255, 255);
auto mask4 = tvg::Shape::gen();
mask4->appendRect(875, 450, 100, 100, 0, 0);
mask4->fill(255, 255, 255, 255);
shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
canvas->push(std::move(shape4));
}
{
//Transformed Image + Shape Mask Add
auto image = tvg::Picture::gen();
if (image->load(data, 200, 300, true) != tvg::Result::Success) return;
image->translate(150, 650);
image->scale(0.5f);
image->rotate(45);
auto mask = tvg::Shape::gen();
mask->appendCircle(125, 700, 50, 50);
mask->fill(255, 255, 255, 255);
image->composite(std::move(mask), tvg::CompositeMethod::AddMask);
canvas->push(std::move(image));
//Transformed Image + Shape Mask Subtract
auto image2 = tvg::Picture::gen();
if (image2->load(data, 200, 300, true) != tvg::Result::Success) return;
image2->translate(400, 650);
image2->scale(0.5f);
image2->rotate(45);
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(375, 700, 50, 50);
mask2->fill(255, 255, 255, 255);
image2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
canvas->push(std::move(image2));
//Transformed Image + Shape Mask Intersect
auto image3 = tvg::Picture::gen();
if (image3->load(data, 200, 300, true) != tvg::Result::Success) return;
image3->translate(650, 650);
image3->scale(0.5f);
image3->rotate(45);
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(625, 700, 50, 50);
mask3->fill(255, 255, 255, 255);
image3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
canvas->push(std::move(image3));
//Transformed Image + Shape Mask Difference
auto image4 = tvg::Picture::gen();
if (image4->load(data, 200, 300, true) != tvg::Result::Success) return;
image4->translate(900, 650);
image4->scale(0.5f);
image4->rotate(45);
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(875, 700, 50, 50);
mask4->fill(255, 255, 255, 255);
image4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
canvas->push(std::move(image4));
}
{
//Gradient Color Stops
tvg::Fill::ColorStop colorStops[2];
colorStops[0] = {0, 255, 0, 0, 255};
colorStops[1] = {1, 255, 255, 255, 255};
//Shape + Shape Mask Add
auto shape = tvg::Shape::gen();
shape->appendRect(75, 850, 100, 100, 10, 10);
//LinearGradient
auto fill = tvg::LinearGradient::gen();
fill->linear(75, 850, 175, 950);
fill->colorStops(colorStops, 2);
shape->fill(std::move(fill));
auto mask = tvg::Shape::gen();
mask->appendCircle(175, 900, 50, 50);
mask->fill(255, 255, 255, 255);
shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
canvas->push(std::move(shape));
//Shape + Shape Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendRect(300, 850, 100, 100, 10, 10);
//LinearGradient
auto fill2 = tvg::LinearGradient::gen();
fill2->linear(300, 850, 400, 950);
fill2->colorStops(colorStops, 2);
shape2->fill(std::move(fill2));
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(400, 900, 50, 50);
mask2->fill(255, 255, 255, 255);
shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
canvas->push(std::move(shape2));
//Shape + Shape Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendRect(550, 850, 100, 100, 10, 10);
//LinearGradient
auto fill3 = tvg::LinearGradient::gen();
fill3->linear(550, 850, 650, 950);
fill3->colorStops(colorStops, 2);
shape3->fill(std::move(fill3));
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(650, 900, 50, 50);
mask3->fill(255, 255, 255, 255);
shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
canvas->push(std::move(shape3));
//Shape + Shape Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendRect(800, 850, 100, 100, 10, 10);
shape4->fill(255, 255, 255, 255);
//LinearGradient
auto fill4 = tvg::LinearGradient::gen();
fill4->linear(800, 850, 900, 950);
fill4->colorStops(colorStops, 2);
shape4->fill(std::move(fill4));
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(900, 900, 50, 50);
mask4->fill(255, 255, 255, 255);
shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
canvas->push(std::move(shape4));
}
free(data);
}
/************************************************************************/
/* Sw Engine Test Code */
/************************************************************************/
static unique_ptr<tvg::SwCanvas> swCanvas;
void tvgSwTest(uint32_t* buffer)
{
//Create a Canvas
swCanvas = tvg::SwCanvas::gen();
swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
/* Push the shape into the Canvas drawing list
When this shape is into the canvas list, the shape could update & prepare
internal data asynchronously for coming rendering.
Canvas keeps this shape node unless user call canvas->clear() */
tvgDrawCmds(swCanvas.get());
}
void drawSwView(void* data, Eo* obj)
{
if (swCanvas->draw() == tvg::Result::Success) {
swCanvas->sync();
}
}
/************************************************************************/
/* GL Engine Test Code */
/************************************************************************/
static unique_ptr<tvg::GlCanvas> glCanvas;
void initGLview(Evas_Object *obj)
{
static constexpr auto BPP = 4;
//Create a Canvas
glCanvas = tvg::GlCanvas::gen();
glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
/* Push the shape into the Canvas drawing list
When this shape is into the canvas list, the shape could update & prepare
internal data asynchronously for coming rendering.
Canvas keeps this shape node unless user call canvas->clear() */
tvgDrawCmds(glCanvas.get());
}
void drawGLview(Evas_Object *obj)
{
auto gl = elm_glview_gl_api_get(obj);
gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl->glClear(GL_COLOR_BUFFER_BIT);
if (glCanvas->draw() == tvg::Result::Success) {
glCanvas->sync();
}
}
/************************************************************************/
/* Main Code */
/************************************************************************/
int main(int argc, char **argv)
{
tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
if (argc > 1) {
if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
}
//Initialize ThorVG Engine
if (tvgEngine == tvg::CanvasEngine::Sw) {
cout << "tvg engine: software" << endl;
} else {
cout << "tvg engine: opengl" << endl;
}
//Threads Count
auto threads = std::thread::hardware_concurrency();
if (threads > 0) --threads; //Allow the designated main thread capacity
//Initialize ThorVG Engine
if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {
elm_init(argc, argv);
if (tvgEngine == tvg::CanvasEngine::Sw) {
createSwView(1024, 1024);
} else {
createGlView(1024, 1024);
}
elm_run();
elm_shutdown();
//Terminate ThorVG Engine
tvg::Initializer::term(tvgEngine);
} else {
cout << "engine is not supported" << endl;
}
return 0;
}

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@ -25,6 +25,7 @@ source_file = [
'LinearGradient.cpp', 'LinearGradient.cpp',
'LumaMasking.cpp', 'LumaMasking.cpp',
'Masking.cpp', 'Masking.cpp',
'MaskingMethods.cpp',
'MultiCanvas.cpp', 'MultiCanvas.cpp',
'MultiShapes.cpp', 'MultiShapes.cpp',
'Opacity.cpp', 'Opacity.cpp',