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thorvg/test/testPaint.cpp
Hermet Park d3edc0c5f7 api: clean up 
promoted offical c++ apis (v0.15)
 - enum class BlendMethod
 - enum class CanvasEngine::Wg
 - virtual Result Canvas::viewport(int32_t x, int32_t y, int32_t w, int32_t h);
 - class Text
 - Result Text::fill(uint8_t r, uint8_t g, uint8_t b)
 - Result Text::fill(std::unique_ptr<Fill> f)
 - static Result Text::unload(const std::string& path)
 - static Result Text::load(const std::string& path)
 - static Result Text::load(const char* name, const char* data, uint32_t size, const std::string& mimeType = "ttf", bool copy = false)
 - static std::unique_ptr<Text> Text::gen()
 - class WgCanvas
 - static std::unique_ptr<WgCanvas> WgCanvas::gen()
 - static const char* Initializer::version(uint32_t* major, uint32_t* minor, uint32_t* micro)
 - class LottieAnimation

promoted official c apis (v0.15)
 - Tvg_Blend_Method
 - Tvg_Result tvg_engine_version(uint32_t* major, uint32_t* minor, uint32_t* micro, const char** version)
 - Tvg_Result tvg_canvas_set_viewport(Tvg_Canvas* canvas, int32_t x, int32_t y, int32_t w, int32_t h)
 - Tvg_Result tvg_paint_set_blend_method(Tvg_Paint* paint, Tvg_Blend_Method method)
 - Tvg_Paint* tvg_text_new(void)
 - Tvg_Result tvg_text_set_fill_color(Tvg_Paint* paint, uint8_t r, uint8_t g, uint8_t b)
 - Tvg_Result tvg_text_set_gradient(Tvg_Paint* paint, Tvg_Gradient* gradient)
 - Tvg_Result tvg_font_load(const char* path)
 - Tvg_Result tvg_font_load_data(const char* name, const char* data, uint32_t size, const char *mimetype, bool copy)
 - Tvg_Result tvg_font_unload(const char* path)
 - Tvg_Animation* tvg_lottie_animation_new(void)

removed experimental apis
 - BlendMethod paint::blend() const
 - bool Shape::strokeTrim(float* begin, float* end) const
 - Tvg_Result tvg_paint_get_blend_method(const Tvg_Paint* paint, Tvg_Blend_Method* method)
 - Tvg_Result tvg_shape_get_stroke_trim(Tvg_Paint* paint, float* begin, float* end, bool* simultaneous)
 - tvg_text_set_linear_gradient(Paint* paint, Tvg_Gradient* gradient)
 - tvg_text_set_radial_gradient(Paint* paint, Tvg_Gradient* gradient)

issue: https://github.com/thorvg/thorvg/issues/1372
2024-09-30 16:44:22 +09:00

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/*
* Copyright (c) 2021 - 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 <thorvg.h>
#include "config.h"
#include "catch.hpp"
using namespace tvg;
using namespace std;
TEST_CASE("Custom Transformation", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
//Verify default transform
Matrix m1 = shape->transform();
REQUIRE(m1.e11 == Approx(1.0f).margin(0.000001));
REQUIRE(m1.e12 == Approx(0).margin(0.000001));
REQUIRE(m1.e13 == Approx(0).margin(0.000001));
REQUIRE(m1.e21 == Approx(0).margin(0.000001));
REQUIRE(m1.e22 == Approx(1.0f).margin(0.000001));
REQUIRE(m1.e23 == Approx(0).margin(0.000001));
REQUIRE(m1.e31 == Approx(0).margin(0.000001));
REQUIRE(m1.e32 == Approx(0).margin(0.000001));
REQUIRE(m1.e33 == Approx(1.0f).margin(0.000001));
//Custom transform
auto m2 = Matrix{1.0f, 2.0f, 3.0f, 4.0f, 0.0f, -4.0f, -3.0f, -2.0f, -1.0f};
REQUIRE(shape->transform(m2) == Result::Success);
auto m3 = shape->transform();
REQUIRE(m2.e11 == Approx(m3.e11).margin(0.000001));
REQUIRE(m2.e12 == Approx(m3.e12).margin(0.000001));
REQUIRE(m2.e13 == Approx(m3.e13).margin(0.000001));
REQUIRE(m2.e21 == Approx(m3.e21).margin(0.000001));
REQUIRE(m2.e22 == Approx(m3.e22).margin(0.000001));
REQUIRE(m2.e23 == Approx(m3.e23).margin(0.000001));
REQUIRE(m2.e31 == Approx(m3.e31).margin(0.000001));
REQUIRE(m2.e32 == Approx(m3.e32).margin(0.000001));
REQUIRE(m2.e33 == Approx(m3.e33).margin(0.000001));
//It's not allowed if the custom transform is applied.
REQUIRE(shape->translate(155.0f, -155.0f) == Result::InsufficientCondition);
REQUIRE(shape->scale(4.7f) == Result::InsufficientCondition);
REQUIRE(shape->rotate(45.0f) == Result::InsufficientCondition);
//Verify Transform is not modified
auto m4 = shape->transform();
REQUIRE(m2.e11 == Approx(m4.e11).margin(0.000001));
REQUIRE(m2.e12 == Approx(m4.e12).margin(0.000001));
REQUIRE(m2.e13 == Approx(m4.e13).margin(0.000001));
REQUIRE(m2.e21 == Approx(m4.e21).margin(0.000001));
REQUIRE(m2.e22 == Approx(m4.e22).margin(0.000001));
REQUIRE(m2.e23 == Approx(m4.e23).margin(0.000001));
REQUIRE(m2.e31 == Approx(m4.e31).margin(0.000001));
REQUIRE(m2.e32 == Approx(m4.e32).margin(0.000001));
REQUIRE(m2.e33 == Approx(m4.e33).margin(0.000001));
}
TEST_CASE("Basic Transformation", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
REQUIRE(shape->translate(155.0f, -155.0f) == Result::Success);
REQUIRE(shape->rotate(45.0f) == Result::Success);
REQUIRE(shape->scale(4.7f) == Result::Success);
auto m = shape->transform();
REQUIRE(m.e11 == Approx(3.323402f).margin(0.000001));
REQUIRE(m.e12 == Approx(-3.323401f).margin(0.000001));
REQUIRE(m.e13 == Approx(155.0f).margin(0.000001));
REQUIRE(m.e21 == Approx(3.323401f).margin(0.000001));
REQUIRE(m.e22 == Approx(3.323402f).margin(0.000001));
REQUIRE(m.e23 == Approx(-155.0f).margin(0.000001));
REQUIRE(m.e31 == Approx(0).margin(0.000001));
REQUIRE(m.e32 == Approx(0).margin(0.000001));
REQUIRE(m.e33 == Approx(1).margin(0.000001));
}
TEST_CASE("Opacity", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
REQUIRE(shape->opacity() == 255);
REQUIRE(shape->opacity(155) == Result::Success);
REQUIRE(shape->opacity() == 155);
REQUIRE(shape->opacity(-1) == Result::Success);
REQUIRE(shape->opacity() == 255);
REQUIRE(shape->opacity(0) == Result::Success);
REQUIRE(shape->opacity() == 0);
}
TEST_CASE("Bounding Box", "[tvgPaint]")
{
Initializer::init(tvg::CanvasEngine::Sw, 0);
auto canvas = SwCanvas::gen();
auto shape = Shape::gen().release();
canvas->push(tvg::cast(shape));
canvas->sync();
//Negative
float x = 0, y = 0, w = 0, h = 0;
REQUIRE(shape->bounds(&x, &y, &w, &h, false) == Result::InsufficientCondition);
//Case 1
REQUIRE(shape->appendRect(0.0f, 10.0f, 20.0f, 100.0f, 50.0f, 50.0f) == Result::Success);
REQUIRE(shape->translate(100.0f, 111.0f) == Result::Success);
REQUIRE(shape->bounds(&x, &y, &w, &h, false) == Result::Success);
REQUIRE(x == 0.0f);
REQUIRE(y == 10.0f);
REQUIRE(w == 20.0f);
REQUIRE(h == 100.0f);
REQUIRE(canvas->update(shape) == Result::Success);
REQUIRE(shape->bounds(&x, &y, &w, &h, true) == Result::Success);
REQUIRE(x == 100.0f);
REQUIRE(y == 121.0f);
REQUIRE(w == 20.0f);
REQUIRE(h == 100.0f);
//Case 2
REQUIRE(shape->reset() == Result::Success);
REQUIRE(shape->moveTo(0.0f, 10.0f) == Result::Success);
REQUIRE(shape->lineTo(20.0f, 210.0f) == Result::Success);
auto identity = Matrix{1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f};
REQUIRE(shape->transform(identity) == Result::Success);
REQUIRE(shape->bounds(&x, &y, &w, &h, false) == Result::Success);
REQUIRE(x == 0.0f);
REQUIRE(y == 10.0f);
REQUIRE(w == 20.0f);
REQUIRE(h == 200.0f);
REQUIRE(canvas->update(shape) == Result::Success);
REQUIRE(shape->bounds(&x, &y, &w, &h, true) == Result::Success);
REQUIRE(x == 0.0f);
REQUIRE(y == 10.0f);
REQUIRE(w == 20.0f);
REQUIRE(h == 200.0f);
Initializer::term(tvg::CanvasEngine::Sw);
}
TEST_CASE("Duplication", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
//Setup paint properties
REQUIRE(shape->opacity(0) == Result::Success);
REQUIRE(shape->translate(200.0f, 100.0f) == Result::Success);
REQUIRE(shape->scale(2.2f) == Result::Success);
REQUIRE(shape->rotate(90.0f) == Result::Success);
auto comp = Shape::gen();
REQUIRE(comp);
REQUIRE(shape->clip(std::move(comp)) == Result::Success);
//Duplication
auto dup = tvg::cast<Shape>(shape->duplicate());
REQUIRE(dup);
//Compare properties
REQUIRE(dup->opacity() == 0);
auto m = shape->transform();
REQUIRE(m.e11 == Approx(0.0f).margin(0.000001));
REQUIRE(m.e12 == Approx(-2.2f).margin(0.000001));
REQUIRE(m.e13 == Approx(200.0f).margin(0.000001));
REQUIRE(m.e21 == Approx(2.2f).margin(0.000001));
REQUIRE(m.e22 == Approx(0.0f).margin(0.000001));
REQUIRE(m.e23 == Approx(100.0f).margin(0.000001));
REQUIRE(m.e31 == Approx(0.0f).margin(0.000001));
REQUIRE(m.e32 == Approx(0.0f).margin(0.000001));
REQUIRE(m.e33 == Approx(1.0f).margin(0.000001));
}
TEST_CASE("Composition", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
//Negative
REQUIRE(shape->composite(nullptr) == CompositeMethod::None);
auto comp = Shape::gen();
REQUIRE(shape->composite(std::move(comp), CompositeMethod::None) == Result::InvalidArguments);
//Clipping
comp = Shape::gen();
auto pComp = comp.get();
REQUIRE(shape->clip(std::move(comp)) == Result::Success);
//AlphaMask
comp = Shape::gen();
pComp = comp.get();
REQUIRE(shape->composite(std::move(comp), CompositeMethod::AlphaMask) == Result::Success);
const Paint* pComp2 = nullptr;
REQUIRE(shape->composite(&pComp2) == CompositeMethod::AlphaMask);
REQUIRE(pComp == pComp2);
//InvAlphaMask
comp = Shape::gen();
pComp = comp.get();
REQUIRE(shape->composite(std::move(comp), CompositeMethod::InvAlphaMask) == Result::Success);
REQUIRE(shape->composite(&pComp2) == CompositeMethod::InvAlphaMask);
REQUIRE(pComp == pComp2);
//LumaMask
comp = Shape::gen();
pComp = comp.get();
REQUIRE(shape->composite(std::move(comp), CompositeMethod::LumaMask) == Result::Success);
REQUIRE(shape->composite(&pComp2) == CompositeMethod::LumaMask);
REQUIRE(pComp == pComp2);
//InvLumaMask
comp = Shape::gen();
pComp = comp.get();
REQUIRE(shape->composite(std::move(comp), CompositeMethod::InvLumaMask) == Result::Success);
REQUIRE(shape->composite(&pComp2) == CompositeMethod::InvLumaMask);
REQUIRE(pComp == pComp2);
}
TEST_CASE("Blending", "[tvgPaint]")
{
auto shape = Shape::gen();
REQUIRE(shape);
//Add
REQUIRE(shape->blend(BlendMethod::Add) == Result::Success);
//Screen
REQUIRE(shape->blend(BlendMethod::Screen) == Result::Success);
//Multiply
REQUIRE(shape->blend(BlendMethod::Multiply) == Result::Success);
//Overlay
REQUIRE(shape->blend(BlendMethod::Overlay) == Result::Success);
//Difference
REQUIRE(shape->blend(BlendMethod::Difference) == Result::Success);
//Exclusion
REQUIRE(shape->blend(BlendMethod::Exclusion) == Result::Success);
//Darken
REQUIRE(shape->blend(BlendMethod::Darken) == Result::Success);
//Lighten
REQUIRE(shape->blend(BlendMethod::Lighten) == Result::Success);
//ColorDodge
REQUIRE(shape->blend(BlendMethod::ColorDodge) == Result::Success);
//ColorBurn
REQUIRE(shape->blend(BlendMethod::ColorBurn) == Result::Success);
//HardLight
REQUIRE(shape->blend(BlendMethod::HardLight) == Result::Success);
//SoftLight
REQUIRE(shape->blend(BlendMethod::SoftLight) == Result::Success);
}
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