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phoenix-firestorm/indra/newview/llpreviewtexture.cpp

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/**
* @file llpreviewtexture.cpp
* @brief LLPreviewTexture class implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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 "llwindow.h"
#include "llpreviewtexture.h"
#include "llagent.h"
#include "llbutton.h"
#include "llcombobox.h"
#include "llfilepicker.h"
#include "llfloaterreg.h"
#include "llimagetga.h"
#include "llimagepng.h"
#include "llinventory.h"
#include "llinventorymodel.h"
#include "llnotificationsutil.h"
#include "llresmgr.h"
#include "lltrans.h"
#include "lltextbox.h"
#include "lltextureview.h"
#include "llui.h"
#include "llviewerinventory.h"
#include "llviewermenufile.h" // LLFilePickerReplyThread
#include "llviewertexture.h"
#include "llviewertexturelist.h"
#include "lluictrlfactory.h"
#include "llviewercontrol.h"
#include "llviewerwindow.h"
#include "lllineeditor.h"
#include <boost/lexical_cast.hpp>
const S32 CLIENT_RECT_VPAD = 4;
const F32 SECONDS_TO_SHOW_FILE_SAVED_MSG = 8.f;
const F32 PREVIEW_TEXTURE_MAX_ASPECT = 200.f;
const F32 PREVIEW_TEXTURE_MIN_ASPECT = 0.005f;
LLPreviewTexture::LLPreviewTexture(const LLSD& key)
: LLPreview(key),
mLoadingFullImage( FALSE ),
mShowKeepDiscard(FALSE),
mCopyToInv(FALSE),
mIsCopyable(FALSE),
mIsFullPerm(FALSE),
mUpdateDimensions(TRUE),
mLastHeight(0),
mLastWidth(0),
mAspectRatio(0.f),
mPreviewToSave(FALSE),
mImage(NULL),
mImageOldBoostLevel(LLGLTexture::BOOST_NONE)
{
updateImageID();
if (key.has("save_as"))
{
mPreviewToSave = TRUE;
}
}
LLPreviewTexture::~LLPreviewTexture()
{
LLLoadedCallbackEntry::cleanUpCallbackList(&mCallbackTextureList) ;
if( mLoadingFullImage )
{
getWindow()->decBusyCount();
}
if (mImage.notNull())
{
mImage->setBoostLevel(mImageOldBoostLevel);
mImage = NULL;
}
}
void LLPreviewTexture::populateRatioList()
{
// Fill in ratios list with common aspect ratio values
mRatiosList.clear();
mRatiosList.push_back(LLTrans::getString("Unconstrained"));
mRatiosList.push_back("1:1");
mRatiosList.push_back("4:3");
mRatiosList.push_back("10:7");
mRatiosList.push_back("3:2");
mRatiosList.push_back("16:10");
mRatiosList.push_back("16:9");
mRatiosList.push_back("2:1");
// Now fill combo box with provided list
LLComboBox* combo = getChild<LLComboBox>("combo_aspect_ratio");
combo->removeall();
for (std::vector<std::string>::const_iterator it = mRatiosList.begin(); it != mRatiosList.end(); ++it)
{
combo->add(*it);
}
}
// virtual
BOOL LLPreviewTexture::postBuild()
{
if (mCopyToInv)
{
getChild<LLButton>("Keep")->setLabel(getString("Copy"));
childSetAction("Keep",LLPreview::onBtnCopyToInv,this);
getChildView("Discard")->setVisible( false);
}
else if (mShowKeepDiscard)
{
childSetAction("Keep",onKeepBtn,this);
childSetAction("Discard",onDiscardBtn,this);
}
else
{
getChildView("Keep")->setVisible( false);
getChildView("Discard")->setVisible( false);
}
childSetAction("save_tex_btn", LLPreviewTexture::onSaveAsBtn, this);
getChildView("save_tex_btn")->setVisible( true);
getChildView("save_tex_btn")->setEnabled(canSaveAs());
const LLInventoryItem* item = getItem();
if (item)
{
if (!mCopyToInv)
{
childSetCommitCallback("desc", LLPreview::onText, this);
getChild<LLUICtrl>("desc")->setValue(item->getDescription());
getChild<LLLineEditor>("desc")->setPrevalidate(&LLTextValidate::validateASCIIPrintableNoPipe);
}
BOOL source_library = mObjectUUID.isNull() && gInventory.isObjectDescendentOf(item->getUUID(), gInventory.getLibraryRootFolderID());
if (source_library)
{
getChildView("Discard")->setEnabled(false);
}
}
// Fill in ratios list and combo box with common aspect ratio values
populateRatioList();
childSetCommitCallback("combo_aspect_ratio", onAspectRatioCommit, this);
LLComboBox* combo = getChild<LLComboBox>("combo_aspect_ratio");
combo->setCurrentByIndex(0);
return LLPreview::postBuild();
}
// static
void LLPreviewTexture::onSaveAsBtn(void* data)
{
LLPreviewTexture* self = (LLPreviewTexture*)data;
self->saveAs();
}
void LLPreviewTexture::draw()
{
updateDimensions();
LLPreview::draw();
if (!isMinimized())
{
LLGLSUIDefault gls_ui;
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
const LLRect& border = mClientRect;
LLRect interior = mClientRect;
interior.stretch( -PREVIEW_BORDER_WIDTH );
// ...border
gl_rect_2d( border, LLColor4(0.f, 0.f, 0.f, 1.f));
gl_rect_2d_checkerboard( interior );
if ( mImage.notNull() )
{
// Draw the texture
gGL.diffuseColor3f( 1.f, 1.f, 1.f );
gl_draw_scaled_image(interior.mLeft,
interior.mBottom,
interior.getWidth(),
interior.getHeight(),
mImage);
// Pump the texture priority
F32 pixel_area = mLoadingFullImage ? (F32)MAX_IMAGE_AREA : (F32)(interior.getWidth() * interior.getHeight() );
mImage->addTextureStats( pixel_area );
// Don't bother decoding more than we can display, unless
// we're loading the full image.
if (!mLoadingFullImage)
{
S32 int_width = interior.getWidth();
S32 int_height = interior.getHeight();
mImage->setKnownDrawSize(int_width, int_height);
}
else
{
// Don't use this feature
mImage->setKnownDrawSize(0, 0);
}
if( mLoadingFullImage )
{
LLFontGL::getFontSansSerif()->renderUTF8(LLTrans::getString("Receiving"), 0,
interior.mLeft + 4,
interior.mBottom + 4,
LLColor4::white, LLFontGL::LEFT, LLFontGL::BOTTOM,
LLFontGL::NORMAL,
LLFontGL::DROP_SHADOW);
F32 data_progress = mImage->getDownloadProgress() ;
// Draw the progress bar.
const S32 BAR_HEIGHT = 12;
const S32 BAR_LEFT_PAD = 80;
S32 left = interior.mLeft + 4 + BAR_LEFT_PAD;
S32 bar_width = getRect().getWidth() - left - RESIZE_HANDLE_WIDTH - 2;
S32 top = interior.mBottom + 4 + BAR_HEIGHT;
S32 right = left + bar_width;
S32 bottom = top - BAR_HEIGHT;
LLColor4 background_color(0.f, 0.f, 0.f, 0.75f);
LLColor4 decoded_color(0.f, 1.f, 0.f, 1.0f);
LLColor4 downloaded_color(0.f, 0.5f, 0.f, 1.0f);
gl_rect_2d(left, top, right, bottom, background_color);
if (data_progress > 0.0f)
{
// Downloaded bytes
right = left + llfloor(data_progress * (F32)bar_width);
if (right > left)
{
gl_rect_2d(left, top, right, bottom, downloaded_color);
}
}
}
else
if( !mSavedFileTimer.hasExpired() )
{
LLFontGL::getFontSansSerif()->renderUTF8(LLTrans::getString("FileSaved"), 0,
interior.mLeft + 4,
interior.mBottom + 4,
LLColor4::white, LLFontGL::LEFT, LLFontGL::BOTTOM,
LLFontGL::NORMAL,
LLFontGL::DROP_SHADOW);
}
}
}
}
// virtual
BOOL LLPreviewTexture::canSaveAs() const
{
return mIsFullPerm && !mLoadingFullImage && mImage.notNull() && !mImage->isMissingAsset();
}
// virtual
void LLPreviewTexture::saveAs()
{
if( mLoadingFullImage )
return;
std::string filename = getItem() ? LLDir::getScrubbedFileName(getItem()->getName()) : LLStringUtil::null;
(new LLFilePickerReplyThread(boost::bind(&LLPreviewTexture::saveTextureToFile, this, _1), LLFilePicker::FFSAVE_TGAPNG, filename))->getFile();
}
void LLPreviewTexture::saveTextureToFile(const std::vector<std::string>& filenames)
{
const LLInventoryItem* item = getItem();
if (item && mPreviewToSave)
{
mPreviewToSave = FALSE;
LLFloaterReg::showTypedInstance<LLPreviewTexture>("preview_texture", item->getUUID());
}
// remember the user-approved/edited file name.
mSaveFileName = filenames[0];
mLoadingFullImage = TRUE;
getWindow()->incBusyCount();
mImage->forceToSaveRawImage(0);//re-fetch the raw image if the old one is removed.
mImage->setLoadedCallback(LLPreviewTexture::onFileLoadedForSave,
0, TRUE, FALSE, new LLUUID(mItemUUID), &mCallbackTextureList);
}
void LLPreviewTexture::saveMultipleToFile(const std::string& file_name)
{
std::string texture_location(gSavedSettings.getString("TextureSaveLocation"));
std::string texture_name = file_name.empty() ? getItem()->getName() : file_name;
std::string filepath;
S32 i = 0;
S32 err = 0;
std::string extension(".png");
do
{
filepath = texture_location;
filepath += gDirUtilp->getDirDelimiter();
filepath += texture_name;
if (i != 0)
{
filepath += llformat("_%.3d", i);
}
filepath += extension;
llstat stat_info;
err = LLFile::stat( filepath, &stat_info );
i++;
} while (-1 != err); // Search until the file is not found (i.e., stat() gives an error).
mSaveFileName = filepath;
mLoadingFullImage = TRUE;
getWindow()->incBusyCount();
mImage->forceToSaveRawImage(0);//re-fetch the raw image if the old one is removed.
mImage->setLoadedCallback(LLPreviewTexture::onFileLoadedForSave,
0, TRUE, FALSE, new LLUUID(mItemUUID), &mCallbackTextureList);
}
// virtual
void LLPreviewTexture::reshape(S32 width, S32 height, BOOL called_from_parent)
{
LLPreview::reshape(width, height, called_from_parent);
LLRect dim_rect(getChildView("dimensions")->getRect());
S32 horiz_pad = 2 * (LLPANEL_BORDER_WIDTH + PREVIEW_PAD) + PREVIEW_RESIZE_HANDLE_SIZE;
// add space for dimensions and aspect ratio
S32 info_height = dim_rect.mTop + CLIENT_RECT_VPAD;
if (getChild<LLLayoutPanel>("buttons_panel")->getVisible())
{
info_height += getChild<LLLayoutPanel>("buttons_panel")->getRect().getHeight();
}
LLRect client_rect(horiz_pad, getRect().getHeight(), getRect().getWidth() - horiz_pad, 0);
client_rect.mTop -= (PREVIEW_HEADER_SIZE + CLIENT_RECT_VPAD);
client_rect.mBottom += PREVIEW_BORDER + CLIENT_RECT_VPAD + info_height ;
S32 client_width = client_rect.getWidth();
S32 client_height = client_rect.getHeight();
if (mAspectRatio > 0.f)
{
if(mAspectRatio > 1.f)
{
client_height = llceil((F32)client_width / mAspectRatio);
if(client_height > client_rect.getHeight())
{
client_height = client_rect.getHeight();
client_width = llceil((F32)client_height * mAspectRatio);
}
}
else//mAspectRatio < 1.f
{
client_width = llceil((F32)client_height * mAspectRatio);
if(client_width > client_rect.getWidth())
{
client_width = client_rect.getWidth();
client_height = llceil((F32)client_width / mAspectRatio);
}
}
}
mClientRect.setLeftTopAndSize(client_rect.getCenterX() - (client_width / 2), client_rect.getCenterY() + (client_height / 2), client_width, client_height);
}
// virtual
void LLPreviewTexture::onFocusReceived()
{
LLPreview::onFocusReceived();
}
void LLPreviewTexture::openToSave()
{
mPreviewToSave = TRUE;
}
void LLPreviewTexture::hideCtrlButtons()
{
getChildView("desc txt")->setVisible(false);
getChildView("desc")->setVisible(false);
getChild<LLLayoutStack>("preview_stack")->collapsePanel(getChild<LLLayoutPanel>("buttons_panel"), true);
getChild<LLLayoutPanel>("buttons_panel")->setVisible(false);
getChild<LLComboBox>("combo_aspect_ratio")->setCurrentByIndex(0); //unconstrained
reshape(getRect().getWidth(), getRect().getHeight());
}
// static
void LLPreviewTexture::onFileLoadedForSave(BOOL success,
LLViewerFetchedTexture *src_vi,
LLImageRaw* src,
LLImageRaw* aux_src,
S32 discard_level,
BOOL final,
void* userdata)
{
LLUUID* item_uuid = (LLUUID*) userdata;
LLPreviewTexture* self = LLFloaterReg::findTypedInstance<LLPreviewTexture>("preview_texture", *item_uuid);
if( final || !success )
{
delete item_uuid;
if( self )
{
self->getWindow()->decBusyCount();
self->mLoadingFullImage = FALSE;
}
}
if( self && final && success )
{
const U32 ext_length = 3;
std::string extension = self->mSaveFileName.substr( self->mSaveFileName.length() - ext_length);
LLStringUtil::toLower(extension);
// We only support saving in PNG or TGA format
LLPointer<LLImageFormatted> image;
if(extension == "png")
{
image = new LLImagePNG;
}
else if(extension == "tga")
{
image = new LLImageTGA;
}
if( image && !image->encode( src, 0 ) )
{
LLSD args;
args["FILE"] = self->mSaveFileName;
LLNotificationsUtil::add("CannotEncodeFile", args);
}
else if( image && !image->save( self->mSaveFileName ) )
{
LLSD args;
args["FILE"] = self->mSaveFileName;
LLNotificationsUtil::add("CannotWriteFile", args);
}
else
{
self->mSavedFileTimer.reset();
self->mSavedFileTimer.setTimerExpirySec( SECONDS_TO_SHOW_FILE_SAVED_MSG );
}
self->mSaveFileName.clear();
}
if( self && !success )
{
LLNotificationsUtil::add("CannotDownloadFile");
}
}
// It takes a while until we get height and width information.
// When we receive it, reshape the window accordingly.
void LLPreviewTexture::updateDimensions()
{
if (!mImage)
{
return;
}
if ((mImage->getFullWidth() * mImage->getFullHeight()) == 0)
{
return;
}
S32 img_width = mImage->getFullWidth();
S32 img_height = mImage->getFullHeight();
if (mAssetStatus != PREVIEW_ASSET_LOADED
|| mLastWidth != img_width
|| mLastHeight != img_height)
{
mAssetStatus = PREVIEW_ASSET_LOADED;
// Asset has been fully loaded, adjust aspect ratio
adjustAspectRatio();
}
// Update the width/height display every time
getChild<LLUICtrl>("dimensions")->setTextArg("[WIDTH]", llformat("%d", img_width));
getChild<LLUICtrl>("dimensions")->setTextArg("[HEIGHT]", llformat("%d", img_height));
mLastHeight = img_height;
mLastWidth = img_width;
// Reshape the floater only when required
if (mUpdateDimensions)
{
mUpdateDimensions = FALSE;
//reshape floater
reshape(getRect().getWidth(), getRect().getHeight());
gFloaterView->adjustToFitScreen(this, FALSE);
LLRect dim_rect(getChildView("dimensions")->getRect());
LLRect aspect_label_rect(getChildView("aspect_ratio")->getRect());
getChildView("aspect_ratio")->setVisible( dim_rect.mRight < aspect_label_rect.mLeft);
}
}
// Return true if everything went fine, false if we somewhat modified the ratio as we bumped on border values
bool LLPreviewTexture::setAspectRatio(const F32 width, const F32 height)
{
mUpdateDimensions = TRUE;
// We don't allow negative width or height. Also, if height is positive but too small, we reset to default
// A default 0.f value for mAspectRatio means "unconstrained" in the rest of the code
if ((width <= 0.f) || (height <= F_APPROXIMATELY_ZERO))
{
mAspectRatio = 0.f;
return false;
}
// Compute and store the ratio
F32 ratio = width / height;
mAspectRatio = llclamp(ratio, PREVIEW_TEXTURE_MIN_ASPECT, PREVIEW_TEXTURE_MAX_ASPECT);
// Return false if we clamped the value, true otherwise
return (ratio == mAspectRatio);
}
void LLPreviewTexture::onAspectRatioCommit(LLUICtrl* ctrl, void* userdata)
{
LLPreviewTexture* self = (LLPreviewTexture*) userdata;
std::string ratio(ctrl->getValue().asString());
std::string::size_type separator(ratio.find_first_of(":/\\"));
if (std::string::npos == separator) {
// If there's no separator assume we want an unconstrained ratio
self->setAspectRatio( 0.f, 0.f );
return;
}
F32 width, height;
std::istringstream numerator(ratio.substr(0, separator));
std::istringstream denominator(ratio.substr(separator + 1));
numerator >> width;
denominator >> height;
self->setAspectRatio( width, height );
}
void LLPreviewTexture::loadAsset()
{
mImage = LLViewerTextureManager::getFetchedTexture(mImageID, FTT_DEFAULT, MIPMAP_TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE);
mImageOldBoostLevel = mImage->getBoostLevel();
mImage->setBoostLevel(LLGLTexture::BOOST_PREVIEW);
mImage->forceToSaveRawImage(0) ;
mAssetStatus = PREVIEW_ASSET_LOADING;
mUpdateDimensions = TRUE;
updateDimensions();
getChildView("save_tex_btn")->setEnabled(canSaveAs());
if (mObjectUUID.notNull())
{
// check that we can copy inworld items into inventory
getChildView("Keep")->setEnabled(mIsCopyable);
}
else
{
// check that we can remove item
BOOL source_library = gInventory.isObjectDescendentOf(mItemUUID, gInventory.getLibraryRootFolderID());
if (source_library)
{
getChildView("Discard")->setEnabled(false);
}
}
}
LLPreview::EAssetStatus LLPreviewTexture::getAssetStatus()
{
if (mImage.notNull() && (mImage->getFullWidth() * mImage->getFullHeight() > 0))
{
mAssetStatus = PREVIEW_ASSET_LOADED;
}
return mAssetStatus;
}
void LLPreviewTexture::adjustAspectRatio()
{
S32 w = mImage->getFullWidth();
S32 h = mImage->getFullHeight();
// Determine aspect ratio of the image
S32 tmp;
while (h != 0)
{
tmp = w % h;
w = h;
h = tmp;
}
S32 divisor = w;
S32 num = mImage->getFullWidth() / divisor;
S32 denom = mImage->getFullHeight() / divisor;
if (setAspectRatio(num, denom))
{
// Select corresponding ratio entry in the combo list
LLComboBox* combo = getChild<LLComboBox>("combo_aspect_ratio");
if (combo)
{
std::ostringstream ratio;
ratio << num << ":" << denom;
std::vector<std::string>::const_iterator found = std::find(mRatiosList.begin(), mRatiosList.end(), ratio.str());
if (found == mRatiosList.end())
{
// No existing ratio found, create an element that will show image at original ratio
populateRatioList(); // makes sure previous custom ratio is cleared
std::string ratio = boost::lexical_cast<std::string>(num)+":" + boost::lexical_cast<std::string>(denom);
mRatiosList.push_back(ratio);
combo->add(ratio);
combo->setCurrentByIndex(mRatiosList.size()- 1);
}
else
{
combo->setCurrentByIndex(found - mRatiosList.begin());
}
}
}
else
{
// Aspect ratio was set to unconstrained or was clamped
LLComboBox* combo = getChild<LLComboBox>("combo_aspect_ratio");
if (combo)
{
combo->setCurrentByIndex(0); //unconstrained
}
}
mUpdateDimensions = TRUE;
}
void LLPreviewTexture::updateImageID()
{
const LLViewerInventoryItem *item = static_cast<const LLViewerInventoryItem*>(getItem());
if(item)
{
mImageID = item->getAssetUUID();
// here's the old logic...
//mShowKeepDiscard = item->getPermissions().getCreator() != gAgent.getID();
// here's the new logic... 'cos we hate disappearing buttons.
mShowKeepDiscard = TRUE;
mCopyToInv = FALSE;
LLPermissions perm(item->getPermissions());
mIsCopyable = perm.allowCopyBy(gAgent.getID(), gAgent.getGroupID()) && perm.allowTransferTo(gAgent.getID());
mIsFullPerm = item->checkPermissionsSet(PERM_ITEM_UNRESTRICTED);
}
else // not an item, assume it's an asset id
{
mImageID = mItemUUID;
mShowKeepDiscard = FALSE;
mCopyToInv = TRUE;
mIsCopyable = TRUE;
mIsFullPerm = TRUE;
}
}
/* virtual */
void LLPreviewTexture::setObjectID(const LLUUID& object_id)
{
mObjectUUID = object_id;
const LLUUID old_image_id = mImageID;
// Update what image we're pointing to, such as if we just specified the mObjectID
// that this mItemID is part of.
updateImageID();
// If the imageID has changed, start over and reload the new image.
if (mImageID != old_image_id)
{
mAssetStatus = PREVIEW_ASSET_UNLOADED;
loadAsset();
}
refreshFromItem();
}
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