From 597c7f67b5f2491c6098a1de241a3f0fd274688a Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Wed, 29 Sep 2010 13:02:36 -0700
Subject: refactored screenshot code

the core screenshot function now can capture the screen at any lower resolution
performing bilinear filtering.

we also now have some client code to interface with the screenshot service.

it's now possible to request a screenshot at a lower resolution.

Change-Id: I33689bba98507ab928d0898b21596d0d2fe4b953
---
 services/surfaceflinger/Layer.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'services/surfaceflinger/Layer.cpp')

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 695cbfa0a80d..a060d316ddc9 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -214,6 +214,17 @@ slowpath:
     }
 }
 
+void Layer::drawForSreenShot() const
+{
+    bool currentFixedSize = mFixedSize;
+    bool currentBlending = mNeedsBlending;
+    const_cast<Layer*>(this)->mFixedSize = false;
+    const_cast<Layer*>(this)->mFixedSize = true;
+    LayerBase::drawForSreenShot();
+    const_cast<Layer*>(this)->mFixedSize = currentFixedSize;
+    const_cast<Layer*>(this)->mNeedsBlending = currentBlending;
+}
+
 void Layer::onDraw(const Region& clip) const
 {
     Texture tex(mBufferManager.getActiveTexture());
-- 
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