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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/cssom/map_to_mesh_function.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/stringprintf.h"
#include "cobalt/cssom/filter_function_list_value.h"
#include "cobalt/cssom/keyword_value.h"
#include "cobalt/cssom/property_value_visitor.h"
namespace cobalt {
namespace cssom {
std::string MapToMeshFunction::ToString() const {
std::string result = "map-to-mesh(";
if (mesh_spec().mesh_type() == kEquirectangular) {
result.append("equirectangular");
} else if (mesh_spec().mesh_type() == kRectangular) {
result.append("rectangular");
} else if (mesh_spec().mesh_type() == kUrls) {
result.append(mesh_spec().mesh_url()->ToString());
const ResolutionMatchedMeshListBuilder& meshes =
mesh_spec().resolution_matched_meshes();
for (size_t mesh_index = 0; mesh_index < meshes.size(); ++mesh_index) {
result.push_back(' ');
result.append(base::IntToString(meshes[mesh_index]->width_match()));
result.push_back(' ');
result.append(base::IntToString(meshes[mesh_index]->height_match()));
result.push_back(' ');
result.append(meshes[mesh_index]->mesh_url()->ToString());
}
}
if (mesh_spec().mesh_type() == kRectangular) {
// Rectangular filters carry neither FOV nor transforms.
result.append(", none, none, ");
} else {
result.append(base::StringPrintf(", %.7grad", horizontal_fov_in_radians()));
result.append(base::StringPrintf(" %.7grad, ", vertical_fov_in_radians()));
result.append("matrix3d(");
for (int col = 0; col <= 3; ++col) {
for (int row = 0; row <= 3; ++row) {
if (col > 0 || row > 0) {
result.append(", ");
}
result.append(base::StringPrintf("%.7g", transform()[col][row]));
}
}
result.append("), ");
}
result.append(stereo_mode()->ToString());
result.append(")");
return result;
}
MapToMeshFunction::ResolutionMatchedMesh::ResolutionMatchedMesh(
int width_match, int height_match,
const scoped_refptr<PropertyValue>& mesh_url)
: width_match_(width_match),
height_match_(height_match),
mesh_url_(mesh_url) {
DCHECK(mesh_url_);
}
bool MapToMeshFunction::ResolutionMatchedMesh::operator==(
const MapToMeshFunction::ResolutionMatchedMesh& rhs) const {
return mesh_url()->Equals(*rhs.mesh_url()) &&
width_match() == rhs.width_match() &&
height_match() == rhs.height_match();
}
bool MapToMeshFunction::ResolutionMatchedMesh::operator!=(
const MapToMeshFunction::ResolutionMatchedMesh& rhs) const {
return !(*this == rhs);
}
const MapToMeshFunction* MapToMeshFunction::ExtractFromFilterList(
PropertyValue* filter_value) {
if (filter_value && filter_value != cssom::KeywordValue::GetNone()) {
const cssom::FilterFunctionListValue::Builder& filter_list =
base::polymorphic_downcast<cssom::FilterFunctionListValue*>(
filter_value)
->value();
for (size_t list_index = 0; list_index < filter_list.size(); ++list_index) {
if (filter_list[list_index]->GetTypeId() ==
base::GetTypeId<cssom::MapToMeshFunction>()) {
return base::polymorphic_downcast<const cssom::MapToMeshFunction*>(
filter_list[list_index]);
}
}
}
return NULL;
}
bool MapToMeshFunction::operator==(const MapToMeshFunction& rhs) const {
if (mesh_spec().mesh_type() != rhs.mesh_spec().mesh_type() ||
horizontal_fov_in_radians() != rhs.horizontal_fov_in_radians() ||
vertical_fov_in_radians() != rhs.vertical_fov_in_radians() ||
!stereo_mode()->Equals(*rhs.stereo_mode())) {
return false;
}
if (mesh_spec().mesh_type() == kUrls) {
if (!mesh_spec().mesh_url()->Equals(*rhs.mesh_spec().mesh_url())) {
return false;
}
const ResolutionMatchedMeshListBuilder& lhs_meshes =
mesh_spec().resolution_matched_meshes();
const ResolutionMatchedMeshListBuilder& rhs_meshes =
rhs.mesh_spec().resolution_matched_meshes();
if (lhs_meshes.size() != rhs_meshes.size()) {
return false;
}
for (size_t i = 0; i < lhs_meshes.size(); ++i) {
if (*lhs_meshes[i] != *rhs_meshes[i]) {
return false;
}
}
for (int col = 0; col <= 3; ++col) {
if (!glm::all(glm::equal(transform()[col], rhs.transform()[col]))) {
return false;
}
}
}
return true;
}
} // namespace cssom
} // namespace cobalt