C++ LLImageRaw::getHeight方法代码示例

// Src and dst can be any size.  Src and dst have same number of components.
void LLImageRaw::copyScaled( LLImageRaw* src )
{
	LLMemType mt1((LLMemType::EMemType)mMemType);
	LLImageRaw* dst = this;  // Just for clarity.

	llassert_always( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert_always( src->getComponents() == dst->getComponents() );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() );	/* Flawfinder: ignore */
		return;
	}

	// Vertical
	S32 temp_data_size = src->getWidth() * dst->getHeight() * getComponents();
	llassert_always(temp_data_size > 0);
	U8* temp_buffer = new U8[ temp_data_size ];
	for( S32 col = 0; col < src->getWidth(); col++ )
	{
		copyLineScaled( src->getData() + (getComponents() * col), temp_buffer + (getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() );
	}

	// Horizontal
	for( S32 row = 0; row < dst->getHeight(); row++ )
	{
		copyLineScaled( temp_buffer + (getComponents() * src->getWidth() * row), dst->getData() + (getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth(), 1, 1 );
	}

	// Clean up
	delete[] temp_buffer;
}

// Src and dst can be any size.  Src and dst have same number of components.
void LLImageRaw::copyScaled( LLImageRaw* src )
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert_always( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert_always( src->getComponents() == dst->getComponents() );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() );	/* Flawfinder: ignore */
		return;
	}

	S32 temp_data_size = src->getWidth() * dst->getHeight() * getComponents();
	llassert_always(temp_data_size > 0);
	std::vector<U8> temp_buffer(temp_data_size);

	// Vertical
	for( S32 col = 0; col < src->getWidth(); col++ )
	{
		copyLineScaled( src->getData() + (getComponents() * col), &temp_buffer[0] + (getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() );
	}

	// Horizontal
	for( S32 row = 0; row < dst->getHeight(); row++ )
	{
		copyLineScaled( &temp_buffer[0] + (getComponents() * src->getWidth() * row), dst->getData() + (getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth(), 1, 1 );
	}
}

// Src and dst can be any size.  Src has 4 components.  Dst has 3 components.
void LLImageRaw::compositeScaled4onto3(LLImageRaw* src)
{
	LLMemType mt1((LLMemType::EMemType)mMemType);
	llinfos << "compositeScaled4onto3" << llendl;

	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (4 == src->getComponents()) && (3 == dst->getComponents()) );

	// Vertical: scale but no composite
	S32 temp_data_size = src->getWidth() * dst->getHeight() * src->getComponents();
	U8* temp_buffer = new U8[ temp_data_size ];
	for( S32 col = 0; col < src->getWidth(); col++ )
	{
		copyLineScaled( src->getData() + (src->getComponents() * col), temp_buffer + (src->getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() );
	}

	// Horizontal: scale and composite
	for( S32 row = 0; row < dst->getHeight(); row++ )
	{
		compositeRowScaled4onto3( temp_buffer + (src->getComponents() * src->getWidth() * row), dst->getData() + (dst->getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth() );
	}

	// Clean up
	delete[] temp_buffer;
}

// Src and dst can be any size.  Src has 4 components.  Dst has 3 components.
void LLImageRaw::compositeScaled4onto3(LLImageRaw* src)
{
	LLMemType mt1(mMemType);
	llinfos << "compositeScaled4onto3" << llendl;

	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (4 == src->getComponents()) && (3 == dst->getComponents()) );

	S32 temp_data_size = src->getWidth() * dst->getHeight() * src->getComponents();
	llassert_always(temp_data_size > 0);
	std::vector<U8> temp_buffer(temp_data_size);

	// Vertical: scale but no composite
	for( S32 col = 0; col < src->getWidth(); col++ )
	{
		copyLineScaled( src->getData() + (src->getComponents() * col), &temp_buffer[0] + (src->getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() );
	}

	// Horizontal: scale and composite
	for( S32 row = 0; row < dst->getHeight(); row++ )
	{
		compositeRowScaled4onto3( &temp_buffer[0] + (src->getComponents() * src->getWidth() * row), dst->getData() + (dst->getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth() );
	}
}

void LLImageRaw::composite( LLImageRaw* src )
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert(3 == src->getComponents());
	llassert(3 == dst->getComponents());

	if( 3 == dst->getComponents() )
	{
		if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
		{
			// No scaling needed
			if( 3 == src->getComponents() )
			{
				copyUnscaled( src );  // alpha is one so just copy the data.
			}
			else
			{
				compositeUnscaled4onto3( src );
			}
		}
		else
		{
			if( 3 == src->getComponents() )
			{
				copyScaled( src );  // alpha is one so just copy the data.
			}
			else
			{
				compositeScaled4onto3( src );
			}
		}
	}
}

void LocalAssetBrowser::PerformSculptUpdates(LocalBitmap* unit)
{

	/* looking for sculptmap using objects only */
	std::vector<affected_object> object_list = unit->getUsingObjects(false, false, true);
	if (object_list.empty()) { return; }

	for( std::vector<affected_object>::iterator iter = object_list.begin();
		 iter != object_list.end(); iter++ )
	{
		affected_object aobj = *iter;
		if ( aobj.object )
		{
			if ( !aobj.local_sculptmap ) { continue; } // should never get here. only in case of misuse.
			
			// update code [begin]
			if ( unit->volume_dirty )
			{
				LLImageRaw* rawimage = gTextureList.findImage( unit->getID() )->getCachedRawImage();

				aobj.object->getVolume()->sculpt(rawimage->getWidth(), rawimage->getHeight(), 
												  rawimage->getComponents(), rawimage->getData(), 0);	
				unit->volume_dirty = false;
			}

				// tell affected drawable it's got updated
				aobj.object->mDrawable->getVOVolume()->setSculptChanged( true );
				aobj.object->mDrawable->getVOVolume()->markForUpdate( true );
			// update code [end]
		}
			
	}

}

void LLLocalBitmapBrowser::performSculptUpdates(LLLocalBitmap* unit)
{

	/* looking for sculptmap using objects only */
	std::vector<LLAffectedObject> object_list = unit->getUsingObjects(false, false, true);
	if (object_list.empty()) { return; }

	for( std::vector<LLAffectedObject>::iterator iter = object_list.begin();
		 iter != object_list.end(); iter++ )
	{
		LLAffectedObject aobj = *iter;
		if ( aobj.object )
		{
			if ( !aobj.local_sculptmap ) { continue; } // should never get here. only in case of misuse.
			
			// update code [begin]   
			if ( unit->mVolumeDirty )
			{
				LLImageRaw* rawimage = gTextureList.findImage( unit->getID() )->getCachedRawImage();

				LLVolumeParams params = aobj.object->getVolume()->getParams();
				LLVolumeLODGroup* lodgroup = aobj.object->mDrawable->getVOVolume()->getVolumeManager()->getGroup(params);
			
				for (S32 i = 0; i < LLVolumeLODGroup::NUM_LODS; i++)
				{
					LLVolume* vol = lodgroup->getVolByLOD(i);

					if (vol)
						{ vol->sculpt(rawimage->getWidth(), rawimage->getHeight(), rawimage->getComponents(), rawimage->getData(), 0); }
				}

				// doing this again to fix the weirdness with selected-for-edit objects not updating otherwise.
				aobj.object->getVolume()->sculpt(rawimage->getWidth(), rawimage->getHeight(), 
												  rawimage->getComponents(), rawimage->getData(), 0);

				unit->mVolumeDirty = false;
			}

			aobj.object->mDrawable->getVOVolume()->setSculptChanged( true ); 
			aobj.object->mDrawable->getVOVolume()->markForUpdate( true );
			// update code [end]
		}
			
	}

}

// Src and dst are same size.  Src and dst have same number of components.
void LLImageRaw::copyUnscaled(LLImageRaw* src)
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( src->getComponents() == dst->getComponents() );
	llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) );

	memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() );	/* Flawfinder: ignore */
}

// Src and dst are same size.  Src has 4 components.  Dst has 3 components.
void LLImageRaw::compositeUnscaled4onto3( LLImageRaw* src )
{
	/*
	//test fastFractionalMult()
	{
		U8 i = 255;
		U8 j = 255;
		do
		{
			do
			{
				llassert( fastFractionalMult(i, j) == (U8)(255*(i/255.f)*(j/255.f) + 0.5f) );
			} while( j-- );
		} while( i-- );
	}
	*/

	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) );


	U8* src_data = src->getData();
	U8* dst_data = dst->getData();
	S32 pixels = getWidth() * getHeight();
	while( pixels-- )
	{
		U8 alpha = src_data[3];
		if( alpha )
		{
			if( 255 == alpha )
			{
				dst_data[0] = src_data[0];
				dst_data[1] = src_data[1];
				dst_data[2] = src_data[2];
			}
			else
			{

				U8 transparency = 255 - alpha;
				dst_data[0] = fastFractionalMult( dst_data[0], transparency ) + fastFractionalMult( src_data[0], alpha );
				dst_data[1] = fastFractionalMult( dst_data[1], transparency ) + fastFractionalMult( src_data[1], alpha );
				dst_data[2] = fastFractionalMult( dst_data[2], transparency ) + fastFractionalMult( src_data[2], alpha );
			}
		}

		src_data += 4;
		dst_data += 3;
	}
}

// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	if (!src)
	{
		llwarns << "LLImageRaw::copy called with a null src pointer" << llendl;
		return;
	}

	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( (3 == dst->getComponents()) || (4 == dst->getComponents()) );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}

// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	if (!src)
	{
		LL_WARNS() << "LLImageRaw::copy called with a null src pointer" << LL_ENDL;
		return;
	}

	LLImageRaw* dst = this;  // Just for clarity.

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}

// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( (3 == dst->getComponents()) || (4 == dst->getComponents()) );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}

// Src and dst are same size.  Src has 4 components.  Dst has 3 components.
void LLImageRaw::copyUnscaled4onto3( LLImageRaw* src )
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == dst->getComponents()) && (4 == src->getComponents()) );
	llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) );

	S32 pixels = getWidth() * getHeight();
	U8* src_data = src->getData();
	U8* dst_data = dst->getData();
	for( S32 i=0; i<pixels; i++ )
	{
		dst_data[0] = src_data[0];
		dst_data[1] = src_data[1];
		dst_data[2] = src_data[2];
		src_data += 4;
		dst_data += 3;
	}
}

void LLImageRaw::copyUnscaledAlphaMask( LLImageRaw* src, const LLColor4U& fill)
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert( 1 == src->getComponents() );
	llassert( 4 == dst->getComponents() );
	llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) );

	S32 pixels = getWidth() * getHeight();
	U8* src_data = src->getData();
	U8* dst_data = dst->getData();
	for ( S32 i = 0; i < pixels; i++ )
	{
		dst_data[0] = fill.mV[0];
		dst_data[1] = fill.mV[1];
		dst_data[2] = fill.mV[2];
		dst_data[3] = src_data[0];
		src_data += 1;
		dst_data += 4;
	}
}

BOOL LLImageJ2COJ::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time, BOOL reversible)
{
	const S32 MAX_COMPS = 5;
	opj_cparameters_t parameters;	/* compression parameters */
	opj_event_mgr_t event_mgr;		/* event manager */


	/* 
	configure the event callbacks (not required)
	setting of each callback is optional 
	*/
	memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
	event_mgr.error_handler = error_callback;
	event_mgr.warning_handler = warning_callback;
	event_mgr.info_handler = info_callback;

	/* set encoding parameters to default values */
	opj_set_default_encoder_parameters(&parameters);
	parameters.cod_format = 0;
	parameters.cp_disto_alloc = 1;

	if (reversible)
	{
		parameters.tcp_numlayers = 1;
		parameters.tcp_rates[0] = 0.0f;
	}
	else
	{
		parameters.tcp_numlayers = 5;
                parameters.tcp_rates[0] = 1920.0f;
                parameters.tcp_rates[1] = 480.0f;
                parameters.tcp_rates[2] = 120.0f;
                parameters.tcp_rates[3] = 30.0f;
		parameters.tcp_rates[4] = 10.0f;
		parameters.irreversible = 1;
		if (raw_image.getComponents() >= 3)
		{
			parameters.tcp_mct = 1;
		}
	}

	std::string comment_metadata;
	if (!comment_text)
	{
		//Inserting owner id, upload time, and dimensions 
		//See http://wiki.secondlife.com/wiki/Texture_meta-data for details.
		extern LLUUID gAgentID;
		time_t now = time(NULL);
		tm * ptime = gmtime(&now);
		//std::string color_avg(llformat("c=%02x%02x%02x%02x")); //Perhaps do this some day...
		std::string timestr(llformat("z=%04i%02i%02i%02i%02i%02i",ptime->tm_year+1900,ptime->tm_mon+1,ptime->tm_mday,ptime->tm_hour,ptime->tm_min,ptime->tm_sec));
		comment_metadata=llformat("a=%s&%s&h=%u&w=%u",gAgentID.asString().c_str(),timestr.c_str(),(U32)raw_image.getHeight(),(U32)raw_image.getWidth());
		parameters.cp_comment = (char *) comment_metadata.c_str();
	}
	else
	{
		// Awful hacky cast, too lazy to copy right now.
		parameters.cp_comment = (char *) comment_text;
	}

	//
	// Fill in the source image from our raw image
	//
	OPJ_COLOR_SPACE color_space = CLRSPC_SRGB;
	opj_image_cmptparm_t cmptparm[MAX_COMPS];
	opj_image_t * image = NULL;
	S32 numcomps = llmin((S32)raw_image.getComponents(),(S32)MAX_COMPS); //Clamp avoid overrunning buffer -Shyotl
	S32 width = raw_image.getWidth();
	S32 height = raw_image.getHeight();

	memset(&cmptparm[0], 0, MAX_COMPS * sizeof(opj_image_cmptparm_t));
	for(S32 c = 0; c < numcomps; c++) {
		cmptparm[c].prec = 8;
		cmptparm[c].bpp = 8;
		cmptparm[c].sgnd = 0;
		cmptparm[c].dx = parameters.subsampling_dx;
		cmptparm[c].dy = parameters.subsampling_dy;
		cmptparm[c].w = width;
		cmptparm[c].h = height;
	}

	/* create the image */
	image = opj_image_create(numcomps, &cmptparm[0], color_space);

	image->x1 = width;
	image->y1 = height;

	S32 i = 0;
	const U8 *src_datap = raw_image.getData();
	for (S32 y = height - 1; y >= 0; y--)
	{
		for (S32 x = 0; x < width; x++)
		{
			const U8 *pixel = src_datap + (y*width + x) * numcomps;
			for (S32 c = 0; c < numcomps; c++)
			{
				image->comps[c].data[i] = *pixel;
				pixel++;
			}
			i++;
//.........这里部分代码省略.........