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examples MaskMethods: add a new example
This is introduced for Masking Methods.
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2 changed files with 436 additions and 0 deletions
435
src/examples/MaskingMethods.cpp
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435
src/examples/MaskingMethods.cpp
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/*
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* Copyright (c) 2023 the ThorVG project. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "Common.h"
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#include <fstream>
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/************************************************************************/
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/* Drawing Commands */
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/************************************************************************/
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void tvgDrawCmds(tvg::Canvas* canvas)
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{
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if (!canvas) return;
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//Image source
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ifstream file(EXAMPLE_DIR"/rawimage_200x300.raw");
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if (!file.is_open()) return;
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auto data = (uint32_t*) malloc(sizeof(uint32_t) * (200 * 300));
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file.read(reinterpret_cast<char*>(data), sizeof (uint32_t) * 200 * 300);
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file.close();
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{
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//Shape + Shape Mask Add
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auto shape = tvg::Shape::gen();
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shape->appendCircle(125, 100, 50, 50);
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shape->fill(255, 255, 255, 255);
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auto mask = tvg::Shape::gen();
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mask->appendCircle(175, 100, 50, 50);
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mask->fill(255, 255, 255, 255);
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shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
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canvas->push(std::move(shape));
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//Shape + Shape Mask Subtract
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auto shape2 = tvg::Shape::gen();
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shape2->appendCircle(375, 100, 50, 50);
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shape2->fill(255, 255, 255, 255);
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auto mask2 = tvg::Shape::gen();
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mask2->appendCircle(400, 100, 50, 50);
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mask2->fill(255, 255, 255, 255);
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shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
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canvas->push(std::move(shape2));
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//Shape + Shape Mask Intersect
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auto shape3 = tvg::Shape::gen();
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shape3->appendCircle(625, 100, 50, 50);
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shape3->fill(255, 255, 255, 255);
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auto mask3 = tvg::Shape::gen();
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mask3->appendCircle(650, 100, 50, 50);
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mask3->fill(255, 255, 255, 255);
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shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
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canvas->push(std::move(shape3));
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//Shape + Shape Mask Difference
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auto shape4 = tvg::Shape::gen();
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shape4->appendCircle(875, 100, 50, 50);
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shape4->fill(255, 255, 255, 255);
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auto mask4 = tvg::Shape::gen();
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mask4->appendCircle(900, 100, 50, 50);
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mask4->fill(255, 255, 255, 255);
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shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
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canvas->push(std::move(shape4));
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}
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{
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//Shape + Image Mask Add
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auto shape = tvg::Shape::gen();
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shape->appendCircle(150, 250, 50, 50);
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shape->fill(255, 255, 255, 255);
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auto mask = tvg::Picture::gen();
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if (mask->load(data, 200, 300, true) != tvg::Result::Success) return;
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mask->translate(100, 250);
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mask->scale(0.5f);
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shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
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canvas->push(std::move(shape));
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//Shape + Image Mask Subtract
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auto shape2 = tvg::Shape::gen();
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shape2->appendCircle(400, 250, 50, 50);
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shape2->fill(255, 255, 255, 255);
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auto mask2 = tvg::Picture::gen();
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if (mask2->load(data, 200, 300, true) != tvg::Result::Success) return;
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mask2->translate(350, 250);
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mask2->scale(0.5f);
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shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
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canvas->push(std::move(shape2));
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//Shape + Image Mask Intersect
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auto shape3 = tvg::Shape::gen();
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shape3->appendCircle(650, 250, 50, 50);
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shape3->fill(255, 255, 255, 255);
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auto mask3 = tvg::Picture::gen();
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if (mask3->load(data, 200, 300, true) != tvg::Result::Success) return;
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mask3->translate(600, 250);
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mask3->scale(0.5f);
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shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
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canvas->push(std::move(shape3));
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//Shape + Image Mask Difference
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auto shape4 = tvg::Shape::gen();
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shape4->appendCircle(900, 250, 50, 50);
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shape4->fill(255, 255, 255, 255);
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auto mask4 = tvg::Picture::gen();
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if (mask4->load(data, 200, 300, true) != tvg::Result::Success) return;
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mask4->translate(850, 250);
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mask4->scale(0.5f);
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shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
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canvas->push(std::move(shape4));
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}
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{
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//Rect + Rect Mask Add
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auto shape = tvg::Shape::gen();
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shape->appendRect(75, 500, 100, 100, 0, 0);
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shape->fill(255, 255, 255, 255);
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auto mask = tvg::Shape::gen();
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mask->appendRect(125, 450, 100, 100, 0, 0);
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mask->fill(255, 255, 255, 255);
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shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
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canvas->push(std::move(shape));
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//Rect + Rect Mask Subtract
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(325, 500, 100, 100, 0, 0);
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shape2->fill(255, 255, 255, 255);
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auto mask2 = tvg::Shape::gen();
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mask2->appendRect(375, 450, 100, 100, 0, 0);
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mask2->fill(255, 255, 255, 255);
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shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
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canvas->push(std::move(shape2));
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//Rect + Rect Mask Intersect
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auto shape3 = tvg::Shape::gen();
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shape3->appendRect(575, 500, 100, 100, 0, 0);
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shape3->fill(255, 255, 255, 255);
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auto mask3 = tvg::Shape::gen();
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mask3->appendRect(625, 450, 100, 100, 0, 0);
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mask3->fill(255, 255, 255, 255);
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shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
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canvas->push(std::move(shape3));
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//Rect + Rect Mask Difference
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auto shape4 = tvg::Shape::gen();
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shape4->appendRect(825, 500, 100, 100, 0, 0);
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shape4->fill(255, 255, 255, 255);
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auto mask4 = tvg::Shape::gen();
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mask4->appendRect(875, 450, 100, 100, 0, 0);
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mask4->fill(255, 255, 255, 255);
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shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
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canvas->push(std::move(shape4));
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}
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{
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//Transformed Image + Shape Mask Add
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auto image = tvg::Picture::gen();
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if (image->load(data, 200, 300, true) != tvg::Result::Success) return;
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image->translate(150, 650);
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image->scale(0.5f);
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image->rotate(45);
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auto mask = tvg::Shape::gen();
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mask->appendCircle(125, 700, 50, 50);
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mask->fill(255, 255, 255, 255);
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image->composite(std::move(mask), tvg::CompositeMethod::AddMask);
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canvas->push(std::move(image));
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//Transformed Image + Shape Mask Subtract
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auto image2 = tvg::Picture::gen();
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if (image2->load(data, 200, 300, true) != tvg::Result::Success) return;
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image2->translate(400, 650);
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image2->scale(0.5f);
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image2->rotate(45);
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auto mask2 = tvg::Shape::gen();
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mask2->appendCircle(375, 700, 50, 50);
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mask2->fill(255, 255, 255, 255);
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image2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
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canvas->push(std::move(image2));
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//Transformed Image + Shape Mask Intersect
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auto image3 = tvg::Picture::gen();
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if (image3->load(data, 200, 300, true) != tvg::Result::Success) return;
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image3->translate(650, 650);
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image3->scale(0.5f);
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image3->rotate(45);
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auto mask3 = tvg::Shape::gen();
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mask3->appendCircle(625, 700, 50, 50);
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mask3->fill(255, 255, 255, 255);
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image3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
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canvas->push(std::move(image3));
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//Transformed Image + Shape Mask Difference
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auto image4 = tvg::Picture::gen();
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if (image4->load(data, 200, 300, true) != tvg::Result::Success) return;
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image4->translate(900, 650);
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image4->scale(0.5f);
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image4->rotate(45);
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auto mask4 = tvg::Shape::gen();
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mask4->appendCircle(875, 700, 50, 50);
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mask4->fill(255, 255, 255, 255);
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image4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
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canvas->push(std::move(image4));
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}
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{
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//Gradient Color Stops
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tvg::Fill::ColorStop colorStops[2];
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colorStops[0] = {0, 255, 0, 0, 255};
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colorStops[1] = {1, 255, 255, 255, 255};
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//Shape + Shape Mask Add
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auto shape = tvg::Shape::gen();
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shape->appendRect(75, 850, 100, 100, 10, 10);
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//LinearGradient
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auto fill = tvg::LinearGradient::gen();
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fill->linear(75, 850, 175, 950);
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fill->colorStops(colorStops, 2);
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shape->fill(std::move(fill));
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auto mask = tvg::Shape::gen();
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mask->appendCircle(175, 900, 50, 50);
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mask->fill(255, 255, 255, 255);
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shape->composite(std::move(mask), tvg::CompositeMethod::AddMask);
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canvas->push(std::move(shape));
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//Shape + Shape Mask Subtract
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auto shape2 = tvg::Shape::gen();
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shape2->appendRect(300, 850, 100, 100, 10, 10);
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//LinearGradient
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auto fill2 = tvg::LinearGradient::gen();
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fill2->linear(300, 850, 400, 950);
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fill2->colorStops(colorStops, 2);
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shape2->fill(std::move(fill2));
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auto mask2 = tvg::Shape::gen();
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mask2->appendCircle(400, 900, 50, 50);
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mask2->fill(255, 255, 255, 255);
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shape2->composite(std::move(mask2), tvg::CompositeMethod::SubtractMask);
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canvas->push(std::move(shape2));
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//Shape + Shape Mask Intersect
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auto shape3 = tvg::Shape::gen();
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shape3->appendRect(550, 850, 100, 100, 10, 10);
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//LinearGradient
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auto fill3 = tvg::LinearGradient::gen();
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fill3->linear(550, 850, 650, 950);
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fill3->colorStops(colorStops, 2);
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shape3->fill(std::move(fill3));
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auto mask3 = tvg::Shape::gen();
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mask3->appendCircle(650, 900, 50, 50);
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mask3->fill(255, 255, 255, 255);
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shape3->composite(std::move(mask3), tvg::CompositeMethod::IntersectMask);
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canvas->push(std::move(shape3));
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//Shape + Shape Mask Difference
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auto shape4 = tvg::Shape::gen();
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shape4->appendRect(800, 850, 100, 100, 10, 10);
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shape4->fill(255, 255, 255, 255);
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//LinearGradient
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auto fill4 = tvg::LinearGradient::gen();
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fill4->linear(800, 850, 900, 950);
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fill4->colorStops(colorStops, 2);
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shape4->fill(std::move(fill4));
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auto mask4 = tvg::Shape::gen();
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mask4->appendCircle(900, 900, 50, 50);
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mask4->fill(255, 255, 255, 255);
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shape4->composite(std::move(mask4), tvg::CompositeMethod::DifferenceMask);
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canvas->push(std::move(shape4));
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}
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free(data);
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}
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/************************************************************************/
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/* Sw Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::SwCanvas> swCanvas;
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void tvgSwTest(uint32_t* buffer)
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{
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//Create a Canvas
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swCanvas = tvg::SwCanvas::gen();
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swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(swCanvas.get());
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}
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void drawSwView(void* data, Eo* obj)
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{
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if (swCanvas->draw() == tvg::Result::Success) {
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swCanvas->sync();
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}
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}
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/************************************************************************/
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/* GL Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::GlCanvas> glCanvas;
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void initGLview(Evas_Object *obj)
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{
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static constexpr auto BPP = 4;
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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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||||||
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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;
|
||||||
|
}
|
|
@ -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',
|
||||||
|
|
Loading…
Add table
Reference in a new issue