C++ LLPointer::getComponents方法代码示例

BOOL LLViewerTextureList::createUploadFile(const std::string& filename,
										 const std::string& out_filename,
										 const U8 codec)
{	
	// Load the image
	LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec);
	if (image.isNull())
	{
		image->setLastError("Couldn't open the image to be uploaded.");
		return FALSE;
	}	
	if (!image->load(filename))
	{
		image->setLastError("Couldn't load the image to be uploaded.");
		return FALSE;
	}
	// Decompress or expand it in a raw image structure
	LLPointer<LLImageRaw> raw_image = new LLImageRaw;
	if (!image->decode(raw_image, 0.0f))
	{
		image->setLastError("Couldn't decode the image to be uploaded.");
		return FALSE;
	}
	// Check the image constraints
	if ((image->getComponents() != 3) && (image->getComponents() != 4))
	{
		image->setLastError("Image files with less than 3 or more than 4 components are not supported.");
		return FALSE;
	}
	// Convert to j2c (JPEG2000) and save the file locally
	LLPointer<LLImageJ2C> compressedImage = convertToUploadFile(raw_image);	
	if (compressedImage.isNull())
	{
		image->setLastError("Couldn't convert the image to jpeg2000.");
		llinfos << "Couldn't convert to j2c, file : " << filename << llendl;
		return FALSE;
	}
	if (!compressedImage->save(out_filename))
	{
		image->setLastError("Couldn't create the jpeg2000 image for upload.");
		llinfos << "Couldn't create output file : " << out_filename << llendl;
		return FALSE;
	}
	// Test to see if the encode and save worked
	LLPointer<LLImageJ2C> integrity_test = new LLImageJ2C;
	if (!integrity_test->loadAndValidate( out_filename ))
	{
		image->setLastError("The created jpeg2000 image is corrupt.");
		llinfos << "Image file : " << out_filename << " is corrupt" << llendl;
		return FALSE;
	}
	return TRUE;
}

void output_image_stats(LLPointer<LLImageFormatted> image, const std::string &filename)
{
	// Print out some statistical data on the image
	std::cout << "Image stats for : " << filename << ", extension : " << image->getExtension() << std::endl;

	std::cout << "    with : " << (int)(image->getWidth())       << ", height : " << (int)(image->getHeight())       << std::endl;
	std::cout << "    comp : " << (int)(image->getComponents())  << ", levels : " << (int)(image->getDiscardLevel()) << std::endl;
	std::cout << "    head : " << (int)(image->calcHeaderSize()) << ",   data : " << (int)(image->getDataSize())     << std::endl;

	return;
}

// Load an image from file and return a raw (decompressed) instance of its data
LLPointer<LLImageRaw> load_image(const std::string &src_filename, int discard_level, int* region, bool output_stats)
{
	LLPointer<LLImageFormatted> image = create_image(src_filename);
	
	// This just loads the image file stream into a buffer. No decoding done.
	if (!image->load(src_filename))
	{
		return NULL;
	}
	
	if(	(image->getComponents() != 3) && (image->getComponents() != 4) )
	{
		std::cout << "Image files with less than 3 or more than 4 components are not supported\n";
		return NULL;
	}
	
	if (output_stats)
	{
		output_image_stats(image, src_filename);
	}
	
	LLPointer<LLImageRaw> raw_image = new LLImageRaw;
	
	// Set the image restriction on load in the case of a j2c image
	if ((image->getCodec() == IMG_CODEC_J2C) && ((discard_level != -1) || (region != NULL)))
	{
		// That method doesn't exist (and likely, doesn't make sense) for any other image file format
		// hence the required cryptic cast.
		((LLImageJ2C*)(image.get()))->initDecode(*raw_image, discard_level, region);
	}
	
	if (!image->decode(raw_image, 0.0f))
	{
		return NULL;
	}
	
	return raw_image;
}

//.........这里部分代码省略.........
				gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
				gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
				gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
				gGL.vertex2i(owner_rect.mRight, owner_rect.mBottom);
				gGL.vertex2i(owner_rect.mLeft, owner_rect.mBottom);
			}
			gGL.end();
		}
	}

	if (gFocusMgr.childHasMouseCapture(getDragHandle()))
	{
		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
	}
	else
	{
		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
	}

	updateImageStats();

	// if we're inactive, gray out "apply immediate" checkbox
	childSetEnabled("show_folders_check", mActive && mCanApplyImmediately && !mNoCopyTextureSelected);
	childSetEnabled("Select", mActive);
	childSetEnabled("Pipette", mActive);
	childSetValue("Pipette", LLToolMgr::getInstance()->getCurrentTool() == LLToolPipette::getInstance());

	//RN: reset search bar to reflect actual search query (all caps, for example)
	mSearchEdit->setText(mInventoryPanel->getFilterSubString());

	//BOOL allow_copy = FALSE;
	if( mOwner ) 
	{
		mTexturep = NULL;
		if(mImageAssetID.notNull())
		{
			mTexturep = LLViewerTextureManager::getFetchedTexture(mImageAssetID, MIPMAP_YES, LLViewerTexture::BOOST_PREVIEW);
		}
		else if (!mFallbackImageName.empty())
		{
			mTexturep = LLViewerTextureManager::getFetchedTextureFromFile(mFallbackImageName, MIPMAP_YES, LLViewerTexture::BOOST_PREVIEW);
		}

		if (mTentativeLabel)
		{
			mTentativeLabel->setVisible( FALSE  );
		}

		childSetEnabled("Default",  mImageAssetID != mOwner->getDefaultImageAssetID());
		childSetEnabled("Blank",   mImageAssetID != mWhiteImageAssetID );
		childSetEnabled("Invisible", mOwner->getAllowInvisibleTexture() && mImageAssetID != mInvisibleImageAssetID );
		childSetEnabled("Alpha", mImageAssetID != mAlphaImageAssetID );

		LLFloater::draw();

		if( isMinimized() )
		{
			return;
		}

		// Border
		LLRect border( BORDER_PAD, 
				getRect().getHeight() - LLFLOATER_HEADER_SIZE - BORDER_PAD, 
				((TEX_PICKER_MIN_WIDTH / 2) - TEXTURE_INVENTORY_PADDING - HPAD) - BORDER_PAD,
				BORDER_PAD + FOOTER_HEIGHT + (getRect().getHeight() - TEX_PICKER_MIN_HEIGHT));
		gl_rect_2d( border, LLColor4::black, FALSE );


		// Interior
		LLRect interior = border;
		interior.stretch( -1 ); 

		if( mTexturep )
		{
			if( mTexturep->getComponents() == 4 )
			{
				gl_rect_2d_checkerboard( interior );
			}

			gl_draw_scaled_image( interior.mLeft, interior.mBottom, interior.getWidth(), interior.getHeight(), mTexturep );

			// Pump the priority
			mTexturep->addTextureStats( (F32)(interior.getWidth() * interior.getHeight()) );

			// Draw Tentative Label over the image
			if( mOwner->getTentative() && !mIsDirty )
			{
				mTentativeLabel->setVisible( TRUE );
				drawChild(mTentativeLabel);
			}
		}
		else
		{
			gl_rect_2d( interior, LLColor4::grey, TRUE );

			// Draw X
			gl_draw_x(interior, LLColor4::black );
		}
	}
}

//.........这里部分代码省略.........

	//RN: reset search bar to reflect actual search query (all caps, for example)
	mFilterEdit->setText(mInventoryPanel->getFilterSubString());

	//BOOL allow_copy = FALSE;
	if( mOwner ) 
	{
		mTexturep = NULL;
		if(mImageAssetID.notNull())
		{
			mTexturep = LLViewerTextureManager::getFetchedTexture(mImageAssetID, FTT_DEFAULT, MIPMAP_YES, LLGLTexture::BOOST_PREVIEW);
		}
		else if (!mFallbackImageName.empty())
		{
			mTexturep = LLViewerTextureManager::getFetchedTextureFromFile(mFallbackImageName, FTT_LOCAL_FILE, MIPMAP_YES, LLGLTexture::BOOST_PREVIEW);
		}

		if (mTentativeLabel)
		{
			mTentativeLabel->setVisible( FALSE  );
		}

		getChildView("Default")->setEnabled(mImageAssetID != mOwner->getDefaultImageAssetID());
		getChildView("Blank")->setEnabled(mImageAssetID != mWhiteImageAssetID);
		getChildView("None")->setEnabled(mOwner->getAllowNoTexture() && !mImageAssetID.isNull() );
		getChildView("Invisible")->setEnabled(mOwner->getAllowInvisibleTexture() && mImageAssetID != mInvisibleImageAssetID);
		getChildView("Alpha")->setEnabled(mImageAssetID != mAlphaImageAssetID);

		LLFloater::draw();

		if( isMinimized() )
		{
			return;
		}

		// Border
		LLRect border( BORDER_PAD, 
				getRect().getHeight() - LLFLOATER_HEADER_SIZE - BORDER_PAD, 
				((TEX_PICKER_MIN_WIDTH / 2) - TEXTURE_INVENTORY_PADDING - HPAD) - BORDER_PAD,
				BORDER_PAD + FOOTER_HEIGHT + (getRect().getHeight() - TEX_PICKER_MIN_HEIGHT));
		gl_rect_2d( border, LLColor4::black, FALSE );


		// Interior
		LLRect interior = border;
		interior.stretch( -1 ); 

		if( mTexturep )
		{
			if( mTexturep->getComponents() == 4 )
			{
				gl_rect_2d_checkerboard( calcScreenRect(), interior );
			}

			gl_draw_scaled_image( interior.mLeft, interior.mBottom, interior.getWidth(), interior.getHeight(), mTexturep );

			// Pump the priority
			mTexturep->addTextureStats( (F32)(interior.getWidth() * interior.getHeight()) );

			// Draw Tentative Label over the image
			if( mOwner->getTentative() && !mIsDirty )
			{
				mTentativeLabel->setVisible( TRUE );
				drawChild(mTentativeLabel);
			}
		}
		else
		{
			gl_rect_2d( interior, LLColor4::grey, TRUE );

			// Draw X
			gl_draw_x(interior, LLColor4::black );
		}

		if (mSelectedItemPinned) return;

		LLFolderView* folder_view = mInventoryPanel->getRootFolder();
		if (!folder_view) return;

		LLInventoryFilter* filter = folder_view->getFilter();
		if (!filter) return;

		bool is_filter_active = folder_view->getCompletedFilterGeneration() < filter->getCurrentGeneration() &&
				filter->isNotDefault();

		// After inventory panel filter is applied we have to update
		// constraint rect for the selected item because of folder view
		// AutoSelectOverride set to TRUE. We force PinningSelectedItem
		// flag to FALSE state and setting filter "dirty" to update
		// scroll container to show selected item (see LLFolderView::doIdle()).
		if (!is_filter_active && !mSelectedItemPinned)
		{
			folder_view->setPinningSelectedItem(mSelectedItemPinned);
			folder_view->dirtyFilter();
			folder_view->arrangeFromRoot();

			mSelectedItemPinned = TRUE;
		}
	}
}

// Load an image from file and return a raw (decompressed) instance of its data
LLPointer<LLImageRaw> load_image(const std::string &src_filename, int discard_level, int* region, int load_size, bool output_stats)
{
	LLPointer<LLImageFormatted> image = create_image(src_filename);
	
	// We support partial loading only for j2c images
	if (image->getCodec() == IMG_CODEC_J2C)
	{
		// Load the header
		if (!image->load(src_filename, 600))
		{
			return NULL;
		}
		S32 h = ((LLImageJ2C*)(image.get()))->calcHeaderSize();
		S32 d = (load_size > 0 ? ((LLImageJ2C*)(image.get()))->calcDiscardLevelBytes(load_size) : 0);
		S8  r = ((LLImageJ2C*)(image.get()))->getRawDiscardLevel();
		std::cout << "Merov debug : header = " << h << ", load_size = " << load_size << ", discard level = " << d << ", raw discard level = " << r << std::endl;
		for (d = 0; d < MAX_DISCARD_LEVEL; d++)
		{
			S32 data_size = ((LLImageJ2C*)(image.get()))->calcDataSize(d);
			std::cout << "Merov debug : discard_level = " << d << ", data_size = " << data_size << std::endl;
		}
		if (load_size < 0)
		{
			load_size = (discard_level != -1 ? ((LLImageJ2C*)(image.get()))->calcDataSize(discard_level) : 0);
		}
		// Load the requested byte range
		if (!image->load(src_filename, load_size))
		{
			return NULL;
		}
	}
	else 
	{
		// This just loads the image file stream into a buffer. No decoding done.
		if (!image->load(src_filename))
		{
			return NULL;
		}
	}
	
	if(	(image->getComponents() != 3) && (image->getComponents() != 4) )
	{
		std::cout << "Image files with less than 3 or more than 4 components are not supported\n";
		return NULL;
	}
	
	if (output_stats)
	{
		output_image_stats(image, src_filename);
	}
	
	LLPointer<LLImageRaw> raw_image = new LLImageRaw;
	
	// Set the image restriction on load in the case of a j2c image
	if ((image->getCodec() == IMG_CODEC_J2C) && ((discard_level != -1) || (region != NULL)))
	{
		// That method doesn't exist (and likely, doesn't make sense) for any other image file format
		// hence the required cryptic cast.
		((LLImageJ2C*)(image.get()))->initDecode(*raw_image, discard_level, region);
	}
	
	if (!image->decode(raw_image, 0.0f))
	{
		return NULL;
	}
	
	return raw_image;
}