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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NDEBUG
#include "ui/compositor/debug_utils.h"
#include <iomanip>
#include <iostream>
#include <string>
#include "base/logging.h"
#include "base/utf_string_conversions.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/interpolated_transform.h"
#include "ui/gfx/point.h"
#include "ui/gfx/transform.h"
namespace ui {
namespace {
void PrintLayerHierarchyImp(const Layer* layer, int indent,
gfx::Point mouse_location) {
if (!layer->visible())
return;
std::wostringstream buf;
std::string indent_str(indent, ' ');
std::string content_indent_str(indent+1, ' ');
layer->transform().TransformPointReverse(mouse_location);
bool mouse_inside_layer_bounds = layer->bounds().Contains(mouse_location);
mouse_location.Offset(-layer->bounds().x(), -layer->bounds().y());
buf << UTF8ToWide(indent_str);
if (mouse_inside_layer_bounds)
buf << L'*';
else
buf << L' ';
buf << UTF8ToWide(layer->name()) << L' ' << layer;
switch (layer->type()) {
case ui::LAYER_NOT_DRAWN:
buf << L" not_drawn";
break;
case ui::LAYER_TEXTURED:
buf << L" textured";
if (layer->fills_bounds_opaquely())
buf << L" opaque";
break;
case ui::LAYER_SOLID_COLOR:
buf << L" solid";
break;
}
buf << L'\n' << UTF8ToWide(content_indent_str);
buf << L"bounds: " << layer->bounds().x() << L',' << layer->bounds().y();
buf << L' ' << layer->bounds().width() << L'x' << layer->bounds().height();
if (layer->opacity() != 1.0f) {
buf << L'\n' << UTF8ToWide(content_indent_str);
buf << L"opacity: " << std::setprecision(2) << layer->opacity();
}
if (layer->transform().HasChange()) {
gfx::Point translation;
float rotation;
gfx::Point3f scale;
if (ui::InterpolatedTransform::FactorTRS(layer->transform(),
&translation,
&rotation,
&scale)) {
if (translation != gfx::Point()) {
buf << L'\n' << UTF8ToWide(content_indent_str);
buf << L"translation: " << translation.x() << L", " << translation.y();
}
if (fabs(rotation) > 1e-5) {
buf << L'\n' << UTF8ToWide(content_indent_str);
buf << L"rotation: " << std::setprecision(4) << rotation;
}
if (scale.AsPoint() != gfx::Point()) {
buf << L'\n' << UTF8ToWide(content_indent_str);
buf << std::setprecision(4);
buf << L"scale: " << scale.x() << L", " << scale.y();
}
}
}
VLOG(1) << buf.str();
std::cout << buf.str() << std::endl;
for (size_t i = 0, count = layer->children().size(); i < count; ++i)
PrintLayerHierarchyImp(layer->children()[i], indent + 3, mouse_location);
}
} // namespace
void PrintLayerHierarchy(const Layer* layer, gfx::Point mouse_location) {
PrintLayerHierarchyImp(layer, 0, mouse_location);
}
} // namespace ui
#endif // NDEBUG
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