1 files changed, 110 insertions, 0 deletions
diff --git a/indra/newview/llfloaterbigpreview.cpp b/indra/newview/llfloaterbigpreview.cpp
new file mode 100644
index 0000000000..b516e9dd01
--- /dev/null
+++ b/indra/newview/llfloaterbigpreview.cpp
@@ -0,0 +1,110 @@
+/** 
+* @file llfloaterbigpreview.cpp
+* @brief Display of extended (big) preview for snapshots and SL Share
+* @author merov@lindenlab.com
+*
+* $LicenseInfo:firstyear=2013&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2013, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterbigpreview.h"
+#include "llsnapshotlivepreview.h"
+
+///////////////////////
+//LLFloaterBigPreview//
+///////////////////////
+
+LLFloaterBigPreview::LLFloaterBigPreview(const LLSD& key) : LLFloater(key),
+    mPreviewPlaceholder(NULL),
+    mFloaterOwner(NULL)
+{
+}
+
+LLFloaterBigPreview::~LLFloaterBigPreview()
+{
+	if (mPreviewHandle.get())
+	{
+		mPreviewHandle.get()->die();
+	}
+}
+
+void LLFloaterBigPreview::onCancel()
+{
+    closeFloater();
+}
+
+void LLFloaterBigPreview::closeOnFloaterOwnerClosing(LLFloater* floaterp)
+{
+    if (isFloaterOwner(floaterp))
+    {
+        closeFloater();
+    }
+}
+
+BOOL LLFloaterBigPreview::postBuild()
+{
+	mPreviewPlaceholder = getChild<LLUICtrl>("big_preview_placeholder");
+	return LLFloater::postBuild();
+}
+
+void LLFloaterBigPreview::draw()
+{
+	LLFloater::draw();
+
+	LLSnapshotLivePreview * previewp = static_cast<LLSnapshotLivePreview *>(mPreviewHandle.get());
+    
+    // Display the preview if one is available
+	if (previewp && previewp->getBigThumbnailImage())
+	{
+        // Get the preview rect
+		const LLRect& preview_rect = mPreviewPlaceholder->getRect();
+        
+        // Get the preview texture size
+		S32 thumbnail_w = previewp->getBigThumbnailWidth();
+		S32 thumbnail_h = previewp->getBigThumbnailHeight();
+        
+        // Compute the scaling ratio and the size of the final texture in the rect: we want to prevent anisotropic scaling (distorted in x and y)
+        F32 ratio = llmax((F32)(thumbnail_w)/(F32)(preview_rect.getWidth()), (F32)(thumbnail_h)/(F32)(preview_rect.getHeight()));
+        thumbnail_w = (S32)((F32)(thumbnail_w)/ratio);
+        thumbnail_h = (S32)((F32)(thumbnail_h)/ratio);
+        
+		// Compute the preview offset within the preview rect: we want to center that preview in the available rect
+		const S32 local_offset_x = (preview_rect.getWidth()  - thumbnail_w) / 2 ;
+		const S32 local_offset_y = (preview_rect.getHeight() - thumbnail_h) / 2 ;
+        
+		// Compute preview offset within the floater rect
+		S32 offset_x = preview_rect.mLeft   + local_offset_x;
+		S32 offset_y = preview_rect.mBottom + local_offset_y;
+                
+		gGL.matrixMode(LLRender::MM_MODELVIEW);
+		// Apply floater transparency to the texture unless the floater is focused.
+		F32 alpha = getTransparencyType() == TT_ACTIVE ? 1.0f : getCurrentTransparency();
+		LLColor4 color = LLColor4::white;
+        
+        // Draw the preview texture
+		gl_draw_scaled_image(offset_x, offset_y,
+                             thumbnail_w, thumbnail_h,
+                             previewp->getBigThumbnailImage(), color % alpha);
+	}
+}
+