git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-07 21:23:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5
thorvg/examples/MaskingMethods.cpp
Hermet Park 3f38f661be examples: ++ function name alignment
2024-06-13 14:44:55 +09:00

495 lines
18 KiB
C++
Raw Blame History

/*
* Copyright (c) 2023 - 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 "Common.h"
#include <fstream>
/************************************************************************/
/* Drawing Commands */
/************************************************************************/
void tvgDrawCmds(tvg::Canvas* canvas)
{
if (!canvas) return;
//Image source
ifstream file(EXAMPLE_DIR"/image/rawimage_200x300.raw", ios::binary);
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();
//background
auto bg = tvg::Shape::gen();
bg->appendRect(0, 0, 625, HEIGHT);
bg->fill(50, 50, 50);
canvas->push(std::move(bg));
{
//Shape + Shape Mask Add
auto shape = tvg::Shape::gen();
shape->appendCircle(125, 100, 150, 150);
shape->fill(255, 255, 255);
auto mask = tvg::Shape::gen();
mask->appendCircle(125, 100, 50, 50);
mask->fill(255, 255, 255);
auto add = tvg::Shape::gen();
add->appendCircle(175, 100, 50, 50);
add->fill(255, 255, 255);
mask->composite(std::move(add), tvg::CompositeMethod::AddMask);
shape->composite(std::move(mask), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape));
//Shape + Shape Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendCircle(375, 100, 150, 150);
shape2->fill(255, 255, 255, 255);
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(375, 100, 50, 50);
mask2->fill(255, 255, 255, 127);
auto sub = tvg::Shape::gen();
sub->appendCircle(400, 100, 50, 50);
sub->fill(255, 255, 255);
mask2->composite(std::move(sub), tvg::CompositeMethod::SubtractMask);
shape2->composite(std::move(mask2), tvg::CompositeMethod::AlphaMask);
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, 127);
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(625, 100, 50, 50);
mask3->fill(255, 255, 255, 127);
auto inter = tvg::Shape::gen();
inter->appendCircle(650, 100, 50, 50);
inter->fill(255, 255, 255);
mask3->composite(std::move(inter), tvg::CompositeMethod::IntersectMask);
shape3->composite(std::move(mask3), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape3));
//Shape + Shape Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendCircle(875, 100, 150, 150);
shape4->fill(255, 255, 255);
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(875, 100, 50, 50);
mask4->fill(255, 255, 255);
auto diff = tvg::Shape::gen();
diff->appendCircle(900, 100, 50, 50);
diff->fill(255, 255, 255);
mask4->composite(std::move(diff), tvg::CompositeMethod::DifferenceMask);
shape4->composite(std::move(mask4), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape4));
}
{
//Shape + Shape Mask Add
auto shape = tvg::Shape::gen();
shape->appendCircle(125, 300, 100, 100);
shape->fill(255, 255, 255);
auto mask = tvg::Shape::gen();
mask->appendCircle(125, 300, 50, 50);
mask->fill(255, 255, 255);
auto add = tvg::Shape::gen();
add->appendCircle(175, 300, 50, 50);
add->fill(255, 255, 255);
mask->composite(std::move(add), tvg::CompositeMethod::AddMask);
shape->composite(std::move(mask), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(shape));
//Shape + Shape Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendCircle(375, 300, 100, 100);
shape2->fill(255, 255, 255, 255);
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(375, 300, 50, 50);
mask2->fill(255, 255, 255, 127);
auto sub = tvg::Shape::gen();
sub->appendCircle(400, 300, 50, 50);
sub->fill(255, 255, 255);
mask2->composite(std::move(sub), tvg::CompositeMethod::SubtractMask);
shape2->composite(std::move(mask2), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(shape2));
//Shape + Shape Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendCircle(625, 300, 100, 100);
shape3->fill(255, 255, 255, 127);
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(625, 300, 50, 50);
mask3->fill(255, 255, 255, 127);
auto inter = tvg::Shape::gen();
inter->appendCircle(650, 300, 50, 50);
inter->fill(255, 255, 255);
mask3->composite(std::move(inter), tvg::CompositeMethod::IntersectMask);
shape3->composite(std::move(mask3), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(shape3));
//Shape + Shape Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendCircle(875, 300, 100, 100);
shape4->fill(255, 255, 255);
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(875, 300, 50, 50);
mask4->fill(255, 255, 255);
auto diff = tvg::Shape::gen();
diff->appendCircle(900, 300, 50, 50);
diff->fill(255, 255, 255);
mask4->composite(std::move(diff), tvg::CompositeMethod::DifferenceMask);
shape4->composite(std::move(mask4), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(shape4));
}
{
//Rect + Rect Mask Add
auto shape = tvg::Shape::gen();
shape->appendRect(75, 450, 150, 150);
shape->fill(255, 255, 255);
auto mask = tvg::Shape::gen();
mask->appendRect(75, 500, 100, 100);
mask->fill(255, 255, 255);
auto add = tvg::Shape::gen();
add->appendRect(125, 450, 100, 100);
add->fill(255, 255, 255);
mask->composite(std::move(add), tvg::CompositeMethod::AddMask);
shape->composite(std::move(mask), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape));
//Rect + Rect Mask Subtract
auto shape2 = tvg::Shape::gen();
shape2->appendRect(325, 450, 150, 150);
shape2->fill(255, 255, 255);
auto mask2 = tvg::Shape::gen();
mask2->appendRect(325, 500, 100, 100);
mask2->fill(255, 255, 255, 127);
auto sub = tvg::Shape::gen();
sub->appendRect(375, 450, 100, 100);
sub->fill(255, 255, 255);
mask2->composite(std::move(sub), tvg::CompositeMethod::SubtractMask);
shape2->composite(std::move(mask2), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape2));
//Rect + Rect Mask Intersect
auto shape3 = tvg::Shape::gen();
shape3->appendRect(575, 450, 150, 150);
shape3->fill(255, 255, 255);
auto mask3 = tvg::Shape::gen();
mask3->appendRect(575, 500, 100, 100);
mask3->fill(255, 255, 255, 127);
auto inter = tvg::Shape::gen();
inter->appendRect(625, 450, 100, 100);
inter->fill(255, 255, 255);
mask3->composite(std::move(inter), tvg::CompositeMethod::IntersectMask);
shape3->composite(std::move(mask3), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape3));
//Rect + Rect Mask Difference
auto shape4 = tvg::Shape::gen();
shape4->appendRect(825, 450, 150, 150);
shape4->fill(255, 255, 255);
auto mask4 = tvg::Shape::gen();
mask4->appendRect(825, 500, 100, 100);
mask4->fill(255, 255, 255);
auto diff = tvg::Shape::gen();
diff->appendRect(875, 450, 100, 100);
diff->fill(255, 255, 255);
mask4->composite(std::move(diff), tvg::CompositeMethod::DifferenceMask);
shape4->composite(std::move(mask4), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(shape4));
}
{
//Transformed Image + Shape Mask Add
auto image = tvg::Picture::gen();
if (image->load(data, 200, 300, true, 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);
auto add = tvg::Shape::gen();
add->appendCircle(150, 750, 50, 50);
add->fill(255, 255, 255);
mask->composite(std::move(add), tvg::CompositeMethod::AddMask);
image->composite(std::move(mask), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(image));
//Transformed Image + Shape Mask Subtract
auto image2 = tvg::Picture::gen();
if (image2->load(data, 200, 300, true, 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, 127);
auto sub = tvg::Shape::gen();
sub->appendCircle(400, 750, 50, 50);
sub->fill(255, 255, 255);
mask2->composite(std::move(sub), tvg::CompositeMethod::SubtractMask);
image2->composite(std::move(mask2), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(image2));
//Transformed Image + Shape Mask Intersect
auto image3 = tvg::Picture::gen();
if (image3->load(data, 200, 300, true, 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, 127);
auto inter = tvg::Shape::gen();
inter->appendCircle(650, 750, 50, 50);
inter->fill(255, 255, 255, 127);
mask3->composite(std::move(inter), tvg::CompositeMethod::IntersectMask);
image3->composite(std::move(mask3), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(image3));
//Transformed Image + Shape Mask Difference
auto image4 = tvg::Picture::gen();
if (image4->load(data, 200, 300, true, 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);
auto diff = tvg::Shape::gen();
diff->appendCircle(900, 750, 50, 50);
diff->fill(255, 255, 255);
mask4->composite(std::move(diff), tvg::CompositeMethod::DifferenceMask);
image4->composite(std::move(mask4), tvg::CompositeMethod::AlphaMask);
canvas->push(std::move(image4));
}
{
//Transformed Image + Shape Mask Add
auto image = tvg::Picture::gen();
if (image->load(data, 200, 300, true, true) != tvg::Result::Success) return;
image->translate(150, 850);
image->scale(0.5f);
image->rotate(45);
auto mask = tvg::Shape::gen();
mask->appendCircle(125, 900, 50, 50);
mask->fill(255, 255, 255);
auto add = tvg::Shape::gen();
add->appendCircle(150, 950, 50, 50);
add->fill(255, 255, 255);
mask->composite(std::move(add), tvg::CompositeMethod::AddMask);
image->composite(std::move(mask), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(image));
//Transformed Image + Shape Mask Subtract
auto image2 = tvg::Picture::gen();
if (image2->load(data, 200, 300, true, true) != tvg::Result::Success) return;
image2->translate(400, 850);
image2->scale(0.5f);
image2->rotate(45);
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(375, 900, 50, 50);
mask2->fill(255, 255, 255, 127);
auto sub = tvg::Shape::gen();
sub->appendCircle(400, 950, 50, 50);
sub->fill(255, 255, 255);
mask2->composite(std::move(sub), tvg::CompositeMethod::SubtractMask);
image2->composite(std::move(mask2), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(image2));
//Transformed Image + Shape Mask Intersect
auto image3 = tvg::Picture::gen();
if (image3->load(data, 200, 300, true, true) != tvg::Result::Success) return;
image3->translate(650, 850);
image3->scale(0.5f);
image3->rotate(45);
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(625, 900, 50, 50);
mask3->fill(255, 255, 255, 127);
auto inter = tvg::Shape::gen();
inter->appendCircle(650, 950, 50, 50);
inter->fill(255, 255, 255, 127);
mask3->composite(std::move(inter), tvg::CompositeMethod::IntersectMask);
image3->composite(std::move(mask3), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(image3));
//Transformed Image + Shape Mask Difference
auto image4 = tvg::Picture::gen();
if (image4->load(data, 200, 300, true, true) != tvg::Result::Success) return;
image4->translate(900, 850);
image4->scale(0.5f);
image4->rotate(45);
auto mask4 = tvg::Shape::gen();
mask4->appendCircle(875, 900, 50, 50);
mask4->fill(255, 255, 255);
auto diff = tvg::Shape::gen();
diff->appendCircle(900, 950, 50, 50);
diff->fill(255, 255, 255);
mask4->composite(std::move(diff), tvg::CompositeMethod::DifferenceMask);
image4->composite(std::move(mask4), tvg::CompositeMethod::InvAlphaMask);
canvas->push(std::move(image4));
}
free(data);
}
/************************************************************************/
/* Sw Engine Test Code */
/************************************************************************/
static unique_ptr<tvg::SwCanvas> swCanvas;
void initSwView(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)
{
//Create a Canvas
glCanvas = tvg::GlCanvas::gen();
//Get the drawing target id
int32_t targetId;
auto gl = elm_glview_gl_api_get(obj);
gl->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &targetId);
glCanvas->target(targetId, 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)
{
auto tvgEngine = tvg::CanvasEngine::Sw;
if (argc > 1) {
if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
}
//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(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();
} else {
cout << "engine is not supported" << endl;
}
return 0;
}
Reference in a new issue View git blame Copy permalink