| // 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. |
| |
| #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first. |
| |
| #include "ui/compositor/debug_utils.h" |
| |
| #include <stddef.h> |
| |
| #include <cmath> |
| #include <iomanip> |
| #include <ostream> |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/gfx/geometry/point.h" |
| #include "ui/gfx/geometry/point_conversions.h" |
| #include "ui/gfx/interpolated_transform.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace ui { |
| |
| namespace { |
| |
| void PrintLayerHierarchyImp(const Layer* layer, |
| int indent, |
| gfx::Point mouse_location, |
| std::ostringstream* out) { |
| std::string indent_str(indent, ' '); |
| |
| layer->transform().TransformPointReverse(&mouse_location); |
| bool mouse_inside_layer_bounds = layer->bounds().Contains(mouse_location); |
| mouse_location.Offset(-layer->bounds().x(), -layer->bounds().y()); |
| |
| *out << indent_str; |
| if (mouse_inside_layer_bounds) |
| *out << '*'; |
| else |
| *out << ' '; |
| |
| *out << layer->name() << ' ' << layer; |
| |
| switch (layer->type()) { |
| case ui::LAYER_NOT_DRAWN: |
| *out << " not_drawn"; |
| break; |
| case ui::LAYER_TEXTURED: |
| *out << " textured"; |
| if (layer->fills_bounds_opaquely()) |
| *out << " opaque"; |
| break; |
| case ui::LAYER_SOLID_COLOR: |
| *out << " solid"; |
| break; |
| case ui::LAYER_NINE_PATCH: |
| *out << " nine_patch"; |
| break; |
| } |
| |
| if (!layer->visible()) |
| *out << " !visible"; |
| |
| std::string property_indent_str(indent+3, ' '); |
| *out << '\n' << property_indent_str; |
| *out << "bounds: " << layer->bounds().x() << ',' << layer->bounds().y(); |
| *out << ' ' << layer->bounds().width() << 'x' << layer->bounds().height(); |
| if (!layer->subpixel_position_offset().IsZero()) |
| *out << " " << layer->subpixel_position_offset().ToString(); |
| |
| const ui::Layer* mask = const_cast<ui::Layer*>(layer)->layer_mask_layer(); |
| |
| if (mask) { |
| *out << '\n' << property_indent_str; |
| *out << "mask layer: " << std::setprecision(2) |
| << mask->bounds().ToString() |
| << mask->subpixel_position_offset().ToString(); |
| } |
| |
| if (layer->opacity() != 1.0f) { |
| *out << '\n' << property_indent_str; |
| *out << "opacity: " << std::setprecision(2) << layer->opacity(); |
| } |
| |
| gfx::DecomposedTransform decomp; |
| if (!layer->transform().IsIdentity() && |
| gfx::DecomposeTransform(&decomp, layer->transform())) { |
| *out << '\n' << property_indent_str; |
| *out << "translation: " << std::fixed << decomp.translate[0]; |
| *out << ", " << decomp.translate[1]; |
| |
| *out << '\n' << property_indent_str; |
| *out << "rotation: "; |
| *out << std::acos(decomp.quaternion[3]) * 360.0 / M_PI; |
| |
| *out << '\n' << property_indent_str; |
| *out << "scale: " << decomp.scale[0]; |
| *out << ", " << decomp.scale[1]; |
| } |
| |
| *out << '\n'; |
| |
| for (size_t i = 0, count = layer->children().size(); i < count; ++i) { |
| PrintLayerHierarchyImp( |
| layer->children()[i], indent + 3, mouse_location, out); |
| } |
| } |
| |
| } // namespace |
| |
| void PrintLayerHierarchy(const Layer* layer, const gfx::Point& mouse_location) { |
| std::ostringstream out; |
| out << "Layer hierarchy:\n"; |
| PrintLayerHierarchyImp(layer, 0, mouse_location, &out); |
| // Error so logs can be collected from end-users. |
| LOG(ERROR) << out.str(); |
| } |
| |
| } // namespace ui |