зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
3.2 KiB
C++
103 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/layers/Compositor.h"
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#include "base/message_loop.h" // for MessageLoop
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#include "mozilla/layers/CompositorParent.h" // for CompositorParent
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#include "mozilla/layers/Effects.h" // for Effect, EffectChain, etc
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#include "mozilla/mozalloc.h" // for operator delete, etc
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namespace mozilla {
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namespace gfx {
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class Matrix4x4;
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}
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namespace layers {
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/* static */ LayersBackend Compositor::sBackend = LAYERS_NONE;
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/* static */ LayersBackend
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Compositor::GetBackend()
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{
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AssertOnCompositorThread();
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return sBackend;
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}
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/* static */ void
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Compositor::AssertOnCompositorThread()
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{
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MOZ_ASSERT(CompositorParent::CompositorLoop() ==
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MessageLoop::current(),
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"Can only call this from the compositor thread!");
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}
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void
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Compositor::DrawDiagnostics(DiagnosticFlags aFlags,
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const gfx::Rect& rect,
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const gfx::Rect& aClipRect,
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const gfx::Matrix4x4& aTransform,
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const gfx::Point& aOffset)
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{
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if (!(mDiagnosticTypes & DIAGNOSTIC_TILE_BORDERS) && (aFlags & DIAGNOSTIC_TILE)) {
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return;
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}
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if (!(mDiagnosticTypes & DIAGNOSTIC_LAYER_BORDERS)) {
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return;
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}
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int lWidth = 2;
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float opacity = 0.7;
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gfx::Color color;
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if (aFlags & DIAGNOSTIC_CONTENT) {
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color = gfx::Color(0.0, 1.0, 0.0, 1.0); // green
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if (aFlags & DIAGNOSTIC_COMPONENT_ALPHA) {
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color = gfx::Color(0.0, 1.0, 1.0, 1.0); // greenish blue
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}
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} else if (aFlags & DIAGNOSTIC_IMAGE) {
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color = gfx::Color(0.5, 0.0, 0.0, 1.0); // red
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} else if (aFlags & DIAGNOSTIC_COLOR) {
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color = gfx::Color(0.0, 0.0, 1.0, 1.0); // blue
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} else if (aFlags & DIAGNOSTIC_CONTAINER) {
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color = gfx::Color(0.8, 0.0, 0.8, 1.0); // purple
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}
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// make tile borders a bit more transparent to keep layer borders readable.
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if (aFlags & DIAGNOSTIC_TILE || aFlags & DIAGNOSTIC_BIGIMAGE) {
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lWidth = 1;
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opacity = 0.5;
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color.r *= 0.7;
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color.g *= 0.7;
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color.b *= 0.7;
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}
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EffectChain effects;
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effects.mPrimaryEffect = new EffectSolidColor(color);
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// left
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this->DrawQuad(gfx::Rect(rect.x, rect.y,
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lWidth, rect.height),
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aClipRect, effects, opacity,
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aTransform, aOffset);
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// top
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this->DrawQuad(gfx::Rect(rect.x + lWidth, rect.y,
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rect.width - 2 * lWidth, lWidth),
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aClipRect, effects, opacity,
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aTransform, aOffset);
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// right
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this->DrawQuad(gfx::Rect(rect.x + rect.width - lWidth, rect.y,
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lWidth, rect.height),
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aClipRect, effects, opacity,
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aTransform, aOffset);
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// bottom
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this->DrawQuad(gfx::Rect(rect.x + lWidth, rect.y + rect.height-lWidth,
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rect.width - 2 * lWidth, lWidth),
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aClipRect, effects, opacity,
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aTransform, aOffset);
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}
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} // namespace
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} // namespace
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