2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "dali-scene3d/public-api/loader/utils.h"
26 #include "dali/public-api/animation/constraints.h"
27 #include "dali/public-api/common/vector-wrapper.h"
37 thread_local char sExceptionFlingerMessageBuffer[ExceptionFlinger::MESSAGE_BUFFER_SIZE]{};
40 StreamBuffer::StreamBuffer(char* buffer, size_t size) noexcept(true)
42 setp(buffer, buffer + size);
45 ExceptionFlinger::Impl::~Impl() noexcept(false)
47 throw DaliException(mLocation, GetMessageBuffer());
50 ExceptionFlinger::ExceptionFlinger(const char* location) noexcept(true)
52 mStreamBuffer(GetMessageBuffer(), MESSAGE_BUFFER_SIZE - 1),
53 mStream(&mStreamBuffer)
57 ExceptionFlinger::~ExceptionFlinger() noexcept(false)
62 char* ExceptionFlinger::GetMessageBuffer() noexcept(true)
64 return sExceptionFlingerMessageBuffer;
67 std::string FormatString(const char* format, ...)
75 int32_t length = vsnprintf(nullptr, 0, format, vl);
80 size_t sizeRequired = static_cast<size_t>(length);
82 std::string formatString(sizeRequired, '\0');
83 vsnprintf(&formatString[0], sizeRequired, format, vl2);
84 result = formatString;
90 std::string LoadTextFile(const char* path, bool* fail)
92 std::ifstream inFile(path);
95 std::istreambuf_iterator<char> eos;
96 std::istreambuf_iterator<char> i(inFile.rdbuf());
97 return std::string(i, eos);
103 return std::string();
106 Geometry MakeTexturedQuadGeometry(TexturedQuadOptions::Type options)
108 Property::Map properties;
109 properties.Insert("aPosition", Property::VECTOR3);
110 properties.Insert("aTexCoord", Property::VECTOR2);
112 std::vector<uint8_t> bytes;
120 {Vector3(-0.5f, 0.5f, 0.0f), Vector2(0.0f, .0f)},
121 {Vector3(0.5f, 0.5f, 0.0f), Vector2(1.0f, .0f)},
122 {Vector3(-0.5f, -0.5f, 0.0f), Vector2(0.0f, 1.0f)},
123 {Vector3(0.5f, -0.5f, 0.0f), Vector2(1.0f, 1.0f)}};
125 bytes.resize(sizeof(vertices));
126 stride = sizeof(vertices[0]);
127 uvOffset = reinterpret_cast<const uint8_t*>(&vertices[0].aTexCoord) - reinterpret_cast<const uint8_t*>(&vertices[0]);
129 std::memcpy(bytes.data(), vertices, sizeof(vertices));
131 if(MaskMatch(options, TexturedQuadOptions::FLIP_VERTICAL))
133 Vector2* uv = reinterpret_cast<Vector2*>(reinterpret_cast<uint8_t*>(bytes.data()) + uvOffset);
134 for(int i = 0; i < 4; ++i)
136 uv->y = 1.0f - uv->y;
137 uv = reinterpret_cast<Vector2*>(reinterpret_cast<uint8_t*>(uv) + stride);
141 VertexBuffer vertexBuffer = VertexBuffer::New(properties);
142 vertexBuffer.SetData(bytes.data(), bytes.size() / stride);
144 Geometry geometry = Geometry::New();
145 geometry.AddVertexBuffer(vertexBuffer);
146 geometry.SetType(Geometry::TRIANGLE_STRIP);
150 void ToUnixFileSeparators(std::string& path)
152 std::replace(path.begin(), path.end(), '\\', '/');
155 } // namespace Loader
156 } // namespace Scene3D