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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gfx/compositor/layer.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "base/command_line.h" | |
| 10 #include "base/debug/trace_event.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "third_party/WebKit/Source/Platform/chromium/public/WebContentLayer.h" | |
| 14 #include "third_party/WebKit/Source/Platform/chromium/public/WebExternalTextureL
ayer.h" | |
| 15 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperation.
h" | |
| 16 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations
.h" | |
| 17 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatPoint.h" | |
| 18 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatRect.h" | |
| 19 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h" | |
| 20 #include "third_party/WebKit/Source/Platform/chromium/public/WebSolidColorLayer.
h" | |
| 21 #include "ui/base/animation/animation.h" | |
| 22 #include "ui/gfx/canvas.h" | |
| 23 #include "ui/gfx/compositor/compositor_switches.h" | |
| 24 #include "ui/gfx/compositor/layer_animator.h" | |
| 25 #include "ui/gfx/interpolated_transform.h" | |
| 26 #include "ui/gfx/point3.h" | |
| 27 | |
| 28 namespace { | |
| 29 | |
| 30 const float EPSILON = 1e-3f; | |
| 31 | |
| 32 bool IsApproximateMultipleOf(float value, float base) { | |
| 33 float remainder = fmod(fabs(value), base); | |
| 34 return remainder < EPSILON || base - remainder < EPSILON; | |
| 35 } | |
| 36 | |
| 37 const ui::Layer* GetRoot(const ui::Layer* layer) { | |
| 38 return layer->parent() ? GetRoot(layer->parent()) : layer; | |
| 39 } | |
| 40 | |
| 41 } // namespace | |
| 42 | |
| 43 namespace ui { | |
| 44 | |
| 45 Layer::Layer() | |
| 46 : type_(LAYER_TEXTURED), | |
| 47 compositor_(NULL), | |
| 48 parent_(NULL), | |
| 49 visible_(true), | |
| 50 fills_bounds_opaquely_(true), | |
| 51 layer_updated_externally_(false), | |
| 52 opacity_(1.0f), | |
| 53 delegate_(NULL) { | |
| 54 CreateWebLayer(); | |
| 55 } | |
| 56 | |
| 57 Layer::Layer(LayerType type) | |
| 58 : type_(type), | |
| 59 compositor_(NULL), | |
| 60 parent_(NULL), | |
| 61 visible_(true), | |
| 62 fills_bounds_opaquely_(true), | |
| 63 layer_updated_externally_(false), | |
| 64 opacity_(1.0f), | |
| 65 delegate_(NULL) { | |
| 66 CreateWebLayer(); | |
| 67 } | |
| 68 | |
| 69 Layer::~Layer() { | |
| 70 // Destroying the animator may cause observers to use the layer (and | |
| 71 // indirectly the WebLayer). Destroy the animator first so that the WebLayer | |
| 72 // is still around. | |
| 73 animator_.reset(); | |
| 74 if (compositor_) | |
| 75 compositor_->SetRootLayer(NULL); | |
| 76 if (parent_) | |
| 77 parent_->Remove(this); | |
| 78 for (size_t i = 0; i < children_.size(); ++i) | |
| 79 children_[i]->parent_ = NULL; | |
| 80 web_layer_.removeFromParent(); | |
| 81 } | |
| 82 | |
| 83 Compositor* Layer::GetCompositor() { | |
| 84 return GetRoot(this)->compositor_; | |
| 85 } | |
| 86 | |
| 87 void Layer::SetCompositor(Compositor* compositor) { | |
| 88 // This function must only be called to set the compositor on the root layer, | |
| 89 // or to reset it. | |
| 90 DCHECK(!compositor || !compositor_); | |
| 91 DCHECK(!compositor || compositor->root_layer() == this); | |
| 92 DCHECK(!parent_); | |
| 93 compositor_ = compositor; | |
| 94 } | |
| 95 | |
| 96 void Layer::Add(Layer* child) { | |
| 97 DCHECK(!child->compositor_); | |
| 98 if (child->parent_) | |
| 99 child->parent_->Remove(child); | |
| 100 child->parent_ = this; | |
| 101 children_.push_back(child); | |
| 102 web_layer_.addChild(child->web_layer_); | |
| 103 } | |
| 104 | |
| 105 void Layer::Remove(Layer* child) { | |
| 106 std::vector<Layer*>::iterator i = | |
| 107 std::find(children_.begin(), children_.end(), child); | |
| 108 DCHECK(i != children_.end()); | |
| 109 children_.erase(i); | |
| 110 child->parent_ = NULL; | |
| 111 child->web_layer_.removeFromParent(); | |
| 112 } | |
| 113 | |
| 114 void Layer::StackAtTop(Layer* child) { | |
| 115 if (children_.size() <= 1 || child == children_.back()) | |
| 116 return; // Already in front. | |
| 117 StackAbove(child, children_.back()); | |
| 118 } | |
| 119 | |
| 120 void Layer::StackAbove(Layer* child, Layer* other) { | |
| 121 StackRelativeTo(child, other, true); | |
| 122 } | |
| 123 | |
| 124 void Layer::StackAtBottom(Layer* child) { | |
| 125 if (children_.size() <= 1 || child == children_.front()) | |
| 126 return; // Already on bottom. | |
| 127 StackBelow(child, children_.front()); | |
| 128 } | |
| 129 | |
| 130 void Layer::StackBelow(Layer* child, Layer* other) { | |
| 131 StackRelativeTo(child, other, false); | |
| 132 } | |
| 133 | |
| 134 bool Layer::Contains(const Layer* other) const { | |
| 135 for (const Layer* parent = other; parent; parent = parent->parent()) { | |
| 136 if (parent == this) | |
| 137 return true; | |
| 138 } | |
| 139 return false; | |
| 140 } | |
| 141 | |
| 142 void Layer::SetAnimator(LayerAnimator* animator) { | |
| 143 if (animator) | |
| 144 animator->SetDelegate(this); | |
| 145 animator_.reset(animator); | |
| 146 } | |
| 147 | |
| 148 LayerAnimator* Layer::GetAnimator() { | |
| 149 if (!animator_.get()) | |
| 150 SetAnimator(LayerAnimator::CreateDefaultAnimator()); | |
| 151 return animator_.get(); | |
| 152 } | |
| 153 | |
| 154 void Layer::SetTransform(const ui::Transform& transform) { | |
| 155 GetAnimator()->SetTransform(transform); | |
| 156 } | |
| 157 | |
| 158 Transform Layer::GetTargetTransform() const { | |
| 159 if (animator_.get() && animator_->IsAnimatingProperty( | |
| 160 LayerAnimationElement::TRANSFORM)) | |
| 161 return animator_->GetTargetTransform(); | |
| 162 return transform_; | |
| 163 } | |
| 164 | |
| 165 void Layer::SetBounds(const gfx::Rect& bounds) { | |
| 166 GetAnimator()->SetBounds(bounds); | |
| 167 } | |
| 168 | |
| 169 gfx::Rect Layer::GetTargetBounds() const { | |
| 170 if (animator_.get() && animator_->IsAnimatingProperty( | |
| 171 LayerAnimationElement::BOUNDS)) | |
| 172 return animator_->GetTargetBounds(); | |
| 173 return bounds_; | |
| 174 } | |
| 175 | |
| 176 void Layer::SetMasksToBounds(bool masks_to_bounds) { | |
| 177 web_layer_.setMasksToBounds(masks_to_bounds); | |
| 178 } | |
| 179 | |
| 180 bool Layer::GetMasksToBounds() const { | |
| 181 return web_layer_.masksToBounds(); | |
| 182 } | |
| 183 | |
| 184 void Layer::SetOpacity(float opacity) { | |
| 185 GetAnimator()->SetOpacity(opacity); | |
| 186 } | |
| 187 | |
| 188 void Layer::SetBackgroundBlur(int blur_radius) | |
| 189 { | |
| 190 WebKit::WebFilterOperations filters; | |
| 191 if (blur_radius) | |
| 192 filters.append(WebKit::WebBlurFilterOperation(blur_radius)); | |
| 193 web_layer_.setBackgroundFilters(filters); | |
| 194 | |
| 195 background_blur_radius_ = blur_radius; | |
| 196 } | |
| 197 | |
| 198 float Layer::GetTargetOpacity() const { | |
| 199 if (animator_.get() && animator_->IsAnimatingProperty( | |
| 200 LayerAnimationElement::OPACITY)) | |
| 201 return animator_->GetTargetOpacity(); | |
| 202 return opacity_; | |
| 203 } | |
| 204 | |
| 205 void Layer::SetVisible(bool visible) { | |
| 206 GetAnimator()->SetVisibility(visible); | |
| 207 } | |
| 208 | |
| 209 bool Layer::GetTargetVisibility() const { | |
| 210 if (animator_.get() && animator_->IsAnimatingProperty( | |
| 211 LayerAnimationElement::VISIBILITY)) | |
| 212 return animator_->GetTargetVisibility(); | |
| 213 return visible_; | |
| 214 } | |
| 215 | |
| 216 bool Layer::IsDrawn() const { | |
| 217 const Layer* layer = this; | |
| 218 while (layer && layer->visible_) | |
| 219 layer = layer->parent_; | |
| 220 return layer == NULL; | |
| 221 } | |
| 222 | |
| 223 bool Layer::ShouldDraw() const { | |
| 224 return type_ != LAYER_NOT_DRAWN && GetCombinedOpacity() > 0.0f; | |
| 225 } | |
| 226 | |
| 227 // static | |
| 228 void Layer::ConvertPointToLayer(const Layer* source, | |
| 229 const Layer* target, | |
| 230 gfx::Point* point) { | |
| 231 if (source == target) | |
| 232 return; | |
| 233 | |
| 234 const Layer* root_layer = GetRoot(source); | |
| 235 CHECK_EQ(root_layer, GetRoot(target)); | |
| 236 | |
| 237 if (source != root_layer) | |
| 238 source->ConvertPointForAncestor(root_layer, point); | |
| 239 if (target != root_layer) | |
| 240 target->ConvertPointFromAncestor(root_layer, point); | |
| 241 } | |
| 242 | |
| 243 void Layer::SetFillsBoundsOpaquely(bool fills_bounds_opaquely) { | |
| 244 if (fills_bounds_opaquely_ == fills_bounds_opaquely) | |
| 245 return; | |
| 246 | |
| 247 fills_bounds_opaquely_ = fills_bounds_opaquely; | |
| 248 | |
| 249 web_layer_.setOpaque(fills_bounds_opaquely); | |
| 250 RecomputeDebugBorderColor(); | |
| 251 } | |
| 252 | |
| 253 void Layer::SetExternalTexture(Texture* texture) { | |
| 254 DCHECK_EQ(type_, LAYER_TEXTURED); | |
| 255 layer_updated_externally_ = !!texture; | |
| 256 texture_ = texture; | |
| 257 if (web_layer_is_accelerated_ != layer_updated_externally_) { | |
| 258 // Switch to a different type of layer. | |
| 259 web_layer_.removeAllChildren(); | |
| 260 WebKit::WebLayer new_layer; | |
| 261 if (layer_updated_externally_) { | |
| 262 WebKit::WebExternalTextureLayer texture_layer = | |
| 263 WebKit::WebExternalTextureLayer::create(); | |
| 264 texture_layer.setFlipped(texture_->flipped()); | |
| 265 new_layer = texture_layer; | |
| 266 } else { | |
| 267 new_layer = WebKit::WebContentLayer::create(this); | |
| 268 } | |
| 269 if (parent_) { | |
| 270 DCHECK(!parent_->web_layer_.isNull()); | |
| 271 parent_->web_layer_.replaceChild(web_layer_, new_layer); | |
| 272 } | |
| 273 web_layer_ = new_layer; | |
| 274 web_layer_is_accelerated_ = layer_updated_externally_; | |
| 275 for (size_t i = 0; i < children_.size(); ++i) { | |
| 276 DCHECK(!children_[i]->web_layer_.isNull()); | |
| 277 web_layer_.addChild(children_[i]->web_layer_); | |
| 278 } | |
| 279 web_layer_.setAnchorPoint(WebKit::WebFloatPoint(0.f, 0.f)); | |
| 280 web_layer_.setOpaque(fills_bounds_opaquely_); | |
| 281 web_layer_.setOpacity(visible_ ? opacity_ : 0.f); | |
| 282 web_layer_.setDebugBorderWidth(show_debug_borders_ ? 2 : 0); | |
| 283 RecomputeTransform(); | |
| 284 RecomputeDebugBorderColor(); | |
| 285 } | |
| 286 RecomputeDrawsContentAndUVRect(); | |
| 287 } | |
| 288 | |
| 289 void Layer::SetColor(SkColor color) { | |
| 290 DCHECK_EQ(type_, LAYER_SOLID_COLOR); | |
| 291 // WebColor is equivalent to SkColor, per WebColor.h. | |
| 292 web_layer_.to<WebKit::WebSolidColorLayer>().setBackgroundColor( | |
| 293 static_cast<WebKit::WebColor>(color)); | |
| 294 SetFillsBoundsOpaquely(SkColorGetA(color) == 0xFF); | |
| 295 } | |
| 296 | |
| 297 bool Layer::SchedulePaint(const gfx::Rect& invalid_rect) { | |
| 298 if (type_ == LAYER_SOLID_COLOR || !delegate_) | |
| 299 return false; | |
| 300 damaged_region_.op(invalid_rect.x(), | |
| 301 invalid_rect.y(), | |
| 302 invalid_rect.right(), | |
| 303 invalid_rect.bottom(), | |
| 304 SkRegion::kUnion_Op); | |
| 305 ScheduleDraw(); | |
| 306 return true; | |
| 307 } | |
| 308 | |
| 309 void Layer::ScheduleDraw() { | |
| 310 Compositor* compositor = GetCompositor(); | |
| 311 if (compositor) | |
| 312 compositor->ScheduleDraw(); | |
| 313 } | |
| 314 | |
| 315 void Layer::SendDamagedRects() { | |
| 316 if (delegate_ && !damaged_region_.isEmpty()) { | |
| 317 for (SkRegion::Iterator iter(damaged_region_); | |
| 318 !iter.done(); iter.next()) { | |
| 319 const SkIRect& damaged = iter.rect(); | |
| 320 WebKit::WebFloatRect web_rect( | |
| 321 damaged.x(), | |
| 322 damaged.y(), | |
| 323 damaged.width(), | |
| 324 damaged.height()); | |
| 325 if (!web_layer_is_accelerated_) | |
| 326 web_layer_.to<WebKit::WebContentLayer>().invalidateRect(web_rect); | |
| 327 else | |
| 328 web_layer_.to<WebKit::WebExternalTextureLayer>().invalidateRect( | |
| 329 web_rect); | |
| 330 } | |
| 331 damaged_region_.setEmpty(); | |
| 332 } | |
| 333 for (size_t i = 0; i < children_.size(); ++i) | |
| 334 children_[i]->SendDamagedRects(); | |
| 335 } | |
| 336 | |
| 337 void Layer::SuppressPaint() { | |
| 338 if (!delegate_) | |
| 339 return; | |
| 340 delegate_ = NULL; | |
| 341 for (size_t i = 0; i < children_.size(); ++i) | |
| 342 children_[i]->SuppressPaint(); | |
| 343 } | |
| 344 | |
| 345 void Layer::paintContents(WebKit::WebCanvas* web_canvas, | |
| 346 const WebKit::WebRect& clip) { | |
| 347 TRACE_EVENT0("ui", "Layer::paintContents"); | |
| 348 gfx::Canvas canvas(web_canvas); | |
| 349 if (delegate_) | |
| 350 delegate_->OnPaintLayer(&canvas); | |
| 351 } | |
| 352 | |
| 353 float Layer::GetCombinedOpacity() const { | |
| 354 float opacity = opacity_; | |
| 355 Layer* current = this->parent_; | |
| 356 while (current) { | |
| 357 opacity *= current->opacity_; | |
| 358 current = current->parent_; | |
| 359 } | |
| 360 return opacity; | |
| 361 } | |
| 362 | |
| 363 void Layer::StackRelativeTo(Layer* child, Layer* other, bool above) { | |
| 364 DCHECK_NE(child, other); | |
| 365 DCHECK_EQ(this, child->parent()); | |
| 366 DCHECK_EQ(this, other->parent()); | |
| 367 | |
| 368 const size_t child_i = | |
| 369 std::find(children_.begin(), children_.end(), child) - children_.begin(); | |
| 370 const size_t other_i = | |
| 371 std::find(children_.begin(), children_.end(), other) - children_.begin(); | |
| 372 if ((above && child_i == other_i + 1) || (!above && child_i + 1 == other_i)) | |
| 373 return; | |
| 374 | |
| 375 const size_t dest_i = | |
| 376 above ? | |
| 377 (child_i < other_i ? other_i : other_i + 1) : | |
| 378 (child_i < other_i ? other_i - 1 : other_i); | |
| 379 children_.erase(children_.begin() + child_i); | |
| 380 children_.insert(children_.begin() + dest_i, child); | |
| 381 | |
| 382 child->web_layer_.removeFromParent(); | |
| 383 web_layer_.insertChild(child->web_layer_, dest_i); | |
| 384 } | |
| 385 | |
| 386 bool Layer::ConvertPointForAncestor(const Layer* ancestor, | |
| 387 gfx::Point* point) const { | |
| 388 ui::Transform transform; | |
| 389 bool result = GetTransformRelativeTo(ancestor, &transform); | |
| 390 gfx::Point3f p(*point); | |
| 391 transform.TransformPoint(p); | |
| 392 *point = p.AsPoint(); | |
| 393 return result; | |
| 394 } | |
| 395 | |
| 396 bool Layer::ConvertPointFromAncestor(const Layer* ancestor, | |
| 397 gfx::Point* point) const { | |
| 398 ui::Transform transform; | |
| 399 bool result = GetTransformRelativeTo(ancestor, &transform); | |
| 400 gfx::Point3f p(*point); | |
| 401 transform.TransformPointReverse(p); | |
| 402 *point = p.AsPoint(); | |
| 403 return result; | |
| 404 } | |
| 405 | |
| 406 bool Layer::GetTransformRelativeTo(const Layer* ancestor, | |
| 407 ui::Transform* transform) const { | |
| 408 const Layer* p = this; | |
| 409 for (; p && p != ancestor; p = p->parent()) { | |
| 410 if (p->transform().HasChange()) | |
| 411 transform->ConcatTransform(p->transform()); | |
| 412 transform->ConcatTranslate(static_cast<float>(p->bounds().x()), | |
| 413 static_cast<float>(p->bounds().y())); | |
| 414 } | |
| 415 return p == ancestor; | |
| 416 } | |
| 417 | |
| 418 void Layer::SetBoundsImmediately(const gfx::Rect& bounds) { | |
| 419 if (bounds == bounds_) | |
| 420 return; | |
| 421 | |
| 422 bool was_move = bounds_.size() == bounds.size(); | |
| 423 bounds_ = bounds; | |
| 424 if (IsDrawn()) { | |
| 425 if (was_move) | |
| 426 ScheduleDraw(); | |
| 427 else | |
| 428 SchedulePaint(gfx::Rect(bounds.size())); | |
| 429 } | |
| 430 | |
| 431 RecomputeTransform(); | |
| 432 RecomputeDrawsContentAndUVRect(); | |
| 433 } | |
| 434 | |
| 435 void Layer::SetTransformImmediately(const ui::Transform& transform) { | |
| 436 transform_ = transform; | |
| 437 | |
| 438 RecomputeTransform(); | |
| 439 } | |
| 440 | |
| 441 void Layer::SetOpacityImmediately(float opacity) { | |
| 442 bool schedule_draw = (opacity != opacity_ && IsDrawn()); | |
| 443 opacity_ = opacity; | |
| 444 | |
| 445 if (visible_) | |
| 446 web_layer_.setOpacity(opacity); | |
| 447 RecomputeDebugBorderColor(); | |
| 448 if (schedule_draw) | |
| 449 ScheduleDraw(); | |
| 450 } | |
| 451 | |
| 452 void Layer::SetVisibilityImmediately(bool visible) { | |
| 453 if (visible_ == visible) | |
| 454 return; | |
| 455 | |
| 456 visible_ = visible; | |
| 457 // TODO(piman): Expose a visibility flag on WebLayer. | |
| 458 web_layer_.setOpacity(visible_ ? opacity_ : 0.f); | |
| 459 } | |
| 460 | |
| 461 void Layer::SetBoundsFromAnimation(const gfx::Rect& bounds) { | |
| 462 SetBoundsImmediately(bounds); | |
| 463 } | |
| 464 | |
| 465 void Layer::SetTransformFromAnimation(const Transform& transform) { | |
| 466 SetTransformImmediately(transform); | |
| 467 } | |
| 468 | |
| 469 void Layer::SetOpacityFromAnimation(float opacity) { | |
| 470 SetOpacityImmediately(opacity); | |
| 471 } | |
| 472 | |
| 473 void Layer::SetVisibilityFromAnimation(bool visibility) { | |
| 474 SetVisibilityImmediately(visibility); | |
| 475 } | |
| 476 | |
| 477 void Layer::ScheduleDrawForAnimation() { | |
| 478 ScheduleDraw(); | |
| 479 } | |
| 480 | |
| 481 const gfx::Rect& Layer::GetBoundsForAnimation() const { | |
| 482 return bounds(); | |
| 483 } | |
| 484 | |
| 485 const Transform& Layer::GetTransformForAnimation() const { | |
| 486 return transform(); | |
| 487 } | |
| 488 | |
| 489 float Layer::GetOpacityForAnimation() const { | |
| 490 return opacity(); | |
| 491 } | |
| 492 | |
| 493 bool Layer::GetVisibilityForAnimation() const { | |
| 494 return visible(); | |
| 495 } | |
| 496 | |
| 497 void Layer::CreateWebLayer() { | |
| 498 if (type_ == LAYER_SOLID_COLOR) | |
| 499 web_layer_ = WebKit::WebSolidColorLayer::create(); | |
| 500 else | |
| 501 web_layer_ = WebKit::WebContentLayer::create(this); | |
| 502 web_layer_.setAnchorPoint(WebKit::WebFloatPoint(0.f, 0.f)); | |
| 503 web_layer_.setOpaque(true); | |
| 504 web_layer_is_accelerated_ = false; | |
| 505 show_debug_borders_ = CommandLine::ForCurrentProcess()->HasSwitch( | |
| 506 switches::kUIShowLayerBorders); | |
| 507 web_layer_.setDebugBorderWidth(show_debug_borders_ ? 2 : 0); | |
| 508 RecomputeDrawsContentAndUVRect(); | |
| 509 RecomputeDebugBorderColor(); | |
| 510 } | |
| 511 | |
| 512 void Layer::RecomputeTransform() { | |
| 513 ui::Transform transform = transform_; | |
| 514 transform.ConcatTranslate(bounds_.x(), bounds_.y()); | |
| 515 web_layer_.setTransform(transform.matrix()); | |
| 516 } | |
| 517 | |
| 518 void Layer::RecomputeDrawsContentAndUVRect() { | |
| 519 DCHECK(!web_layer_.isNull()); | |
| 520 bool should_draw = type_ != LAYER_NOT_DRAWN; | |
| 521 if (!web_layer_is_accelerated_) { | |
| 522 if (type_ != LAYER_SOLID_COLOR) | |
| 523 web_layer_.to<WebKit::WebContentLayer>().setDrawsContent(should_draw); | |
| 524 web_layer_.setBounds(bounds_.size()); | |
| 525 } else { | |
| 526 DCHECK(texture_); | |
| 527 unsigned int texture_id = texture_->texture_id(); | |
| 528 WebKit::WebExternalTextureLayer texture_layer = | |
| 529 web_layer_.to<WebKit::WebExternalTextureLayer>(); | |
| 530 texture_layer.setTextureId(should_draw ? texture_id : 0); | |
| 531 gfx::Size texture_size = texture_->size(); | |
| 532 gfx::Size size(std::min(bounds_.width(), texture_size.width()), | |
| 533 std::min(bounds_.height(), texture_size.height())); | |
| 534 WebKit::WebFloatRect rect( | |
| 535 0, | |
| 536 0, | |
| 537 static_cast<float>(size.width())/texture_size.width(), | |
| 538 static_cast<float>(size.height())/texture_size.height()); | |
| 539 texture_layer.setUVRect(rect); | |
| 540 web_layer_.setBounds(size); | |
| 541 } | |
| 542 } | |
| 543 | |
| 544 void Layer::RecomputeDebugBorderColor() { | |
| 545 if (!show_debug_borders_) | |
| 546 return; | |
| 547 unsigned int color = 0xFF000000; | |
| 548 color |= web_layer_is_accelerated_ ? 0x0000FF00 : 0x00FF0000; | |
| 549 bool opaque = fills_bounds_opaquely_ && (GetCombinedOpacity() == 1.f); | |
| 550 if (!opaque) | |
| 551 color |= 0xFF; | |
| 552 web_layer_.setDebugBorderColor(color); | |
| 553 } | |
| 554 | |
| 555 } // namespace ui | |
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Chromium Code Reviews
Issue 10365007:
ui: Move compositor/ directory out of gfx/, up to ui/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src