gecko-dev/gfx/layers/Compositor.cpp

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1.8 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/layers/Compositor.h"
#include "mozilla/layers/Effects.h"
namespace mozilla {
namespace layers {
/* static */ LayersBackend Compositor::sBackend = LAYERS_NONE;
/* static */ LayersBackend
Compositor::GetBackend()
{
return sBackend;
}
void
Compositor::DrawDiagnostics(const gfx::Color& aColor,
const gfx::Rect& rect,
const gfx::Rect& aClipRect,
const gfx::Matrix4x4& aTransform,
const gfx::Point& aOffset)
{
if (!mDrawColoredBorders) {
return;
}
EffectChain effects;
effects.mPrimaryEffect = new EffectSolidColor(aColor);
int lWidth = 1;
float opacity = 0.8;
// left
this->DrawQuad(gfx::Rect(rect.x, rect.y,
lWidth, rect.height),
aClipRect, effects, opacity,
aTransform, aOffset);
// top
this->DrawQuad(gfx::Rect(rect.x + lWidth, rect.y,
rect.width - 2 * lWidth, lWidth),
aClipRect, effects, opacity,
aTransform, aOffset);
// right
this->DrawQuad(gfx::Rect(rect.x + rect.width - lWidth, rect.y,
lWidth, rect.height),
aClipRect, effects, opacity,
aTransform, aOffset);
// bottom
this->DrawQuad(gfx::Rect(rect.x + lWidth, rect.y + rect.height-lWidth,
rect.width - 2 * lWidth, lWidth),
aClipRect, effects, opacity,
aTransform, aOffset);
}
} // namespace
} // namespace