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blender-archive/source/blender/compositor/nodes/COM_ImageNode.cpp

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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
* Lukas Tönne
*/
#include "COM_ImageNode.h"
#include "COM_ExecutionSystem.h"
#include "COM_ImageOperation.h"
#include "COM_MultilayerImageOperation.h"
#include "COM_ConvertOperation.h"
#include "BKE_node.h"
#include "BLI_utildefines.h"
#include "COM_SetValueOperation.h"
#include "COM_SetVectorOperation.h"
#include "COM_SetColorOperation.h"
ImageNode::ImageNode(bNode *editorNode) : Node(editorNode)
{
/* pass */
}
NodeOperation *ImageNode::doMultilayerCheck(ExecutionSystem *system, RenderLayer *rl, Image *image, ImageUser *user, int framenumber, int outputsocketIndex, int passindex, DataType datatype)
{
OutputSocket *outputSocket = this->getOutputSocket(outputsocketIndex);
MultilayerBaseOperation *operation = NULL;
switch (datatype) {
case COM_DT_VALUE:
operation = new MultilayerValueOperation(passindex);
break;
case COM_DT_VECTOR:
operation = new MultilayerVectorOperation(passindex);
break;
case COM_DT_COLOR:
operation = new MultilayerColorOperation(passindex);
break;
default:
break;
}
operation->setImage(image);
operation->setRenderLayer(rl);
operation->setImageUser(user);
operation->setFramenumber(framenumber);
outputSocket->relinkConnections(operation->getOutputSocket());
system->addOperation(operation);
return operation;
}
void ImageNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
/// Image output
OutputSocket *outputImage = this->getOutputSocket(0);
bNode *editorNode = this->getbNode();
Image *image = (Image *)editorNode->id;
ImageUser *imageuser = (ImageUser *)editorNode->storage;
int framenumber = context->getFramenumber();
int numberOfOutputs = this->getNumberOfOutputSockets();
bool outputStraightAlpha = (editorNode->custom1 & CMP_NODE_IMAGE_USE_STRAIGHT_OUTPUT) != 0;
BKE_image_user_frame_calc(imageuser, context->getFramenumber(), 0);
/* force a load, we assume iuser index will be set OK anyway */
if (image && image->type == IMA_TYPE_MULTILAYER) {
bool is_multilayer_ok = false;
ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
if (image->rr) {
RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
if (rl) {
OutputSocket *socket;
int index;
is_multilayer_ok = true;
for (index = 0; index < numberOfOutputs; index++) {
NodeOperation *operation = NULL;
socket = this->getOutputSocket(index);
if (socket->isConnected() || index == 0) {
bNodeSocket *bnodeSocket = socket->getbNodeSocket();
/* Passes in the file can differ from passes stored in sockets (#36755).
* Look up the correct file pass using the socket identifier instead.
*/
#if 0
NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;*/
int passindex = storage->pass_index;*/
RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
#endif
int passindex;
RenderPass *rpass;
for (rpass = (RenderPass *)rl->passes.first, passindex = 0; rpass; rpass = rpass->next, ++passindex)
if (STREQ(rpass->name, bnodeSocket->identifier))
break;
if (rpass) {
imageuser->pass = passindex;
switch (rpass->channels) {
case 1:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VALUE);
break;
/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
/* XXX any way to detect actual vector images? */
case 3:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VECTOR);
break;
case 4:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_COLOR);
break;
default:
/* dummy operation is added below */
break;
}
if (index == 0 && operation) {
addPreviewOperation(graph, context, operation->getOutputSocket());
}
}
}
/* incase we can't load the layer */
if (operation == NULL) {
convertToOperations_invalid_index(graph, index);
}
}
}
}
BKE_image_release_ibuf(image, ibuf, NULL);
/* without this, multilayer that fail to load will crash blender [#32490] */
if (is_multilayer_ok == false) {
int index;
vector<OutputSocket *> &outputsockets = this->getOutputSockets();
for (index = 0; index < outputsockets.size(); index++) {
const float warning_color[4] = {0.0f, 0.0f, 0.0f, 0.0f};
SetColorOperation *operation = new SetColorOperation();
operation->setChannels(warning_color);
/* link the operation */
this->getOutputSocket(index)->relinkConnections(operation->getOutputSocket());
graph->addOperation(operation);
}
}
}
else {
if (numberOfOutputs > 0) {
ImageOperation *operation = new ImageOperation();
if (outputImage->isConnected()) {
if (outputStraightAlpha) {
NodeOperation *alphaConvertOperation = new ConvertPremulToStraightOperation();
addLink(graph, operation->getOutputSocket(0), alphaConvertOperation->getInputSocket(0));
outputImage->relinkConnections(alphaConvertOperation->getOutputSocket());
graph->addOperation(alphaConvertOperation);
}
else {
outputImage->relinkConnections(operation->getOutputSocket());
}
}
operation->setImage(image);
operation->setImageUser(imageuser);
operation->setFramenumber(framenumber);
graph->addOperation(operation);
addPreviewOperation(graph, context, operation->getOutputSocket());
}
if (numberOfOutputs > 1) {
OutputSocket *alphaImage = this->getOutputSocket(1);
if (alphaImage->isConnected()) {
ImageAlphaOperation *alphaOperation = new ImageAlphaOperation();
alphaOperation->setImage(image);
alphaOperation->setImageUser(imageuser);
alphaOperation->setFramenumber(framenumber);
alphaImage->relinkConnections(alphaOperation->getOutputSocket());
graph->addOperation(alphaOperation);
}
}
if (numberOfOutputs > 2) {
OutputSocket *depthImage = this->getOutputSocket(2);
if (depthImage->isConnected()) {
ImageDepthOperation *depthOperation = new ImageDepthOperation();
depthOperation->setImage(image);
depthOperation->setImageUser(imageuser);
depthOperation->setFramenumber(framenumber);
depthImage->relinkConnections(depthOperation->getOutputSocket());
graph->addOperation(depthOperation);
}
}
if (numberOfOutputs > 3) {
/* happens when unlinking image datablock from multilayer node */
for (int i = 3; i < numberOfOutputs; i++) {
OutputSocket *output = this->getOutputSocket(i);
NodeOperation *operation = NULL;
switch (output->getDataType()) {
case COM_DT_VALUE:
{
SetValueOperation *valueoperation = new SetValueOperation();
valueoperation->setValue(0.0f);
operation = valueoperation;
break;
}
case COM_DT_VECTOR:
{
SetVectorOperation *vectoroperation = new SetVectorOperation();
vectoroperation->setX(0.0f);
vectoroperation->setY(0.0f);
vectoroperation->setW(0.0f);
operation = vectoroperation;
break;
}
case COM_DT_COLOR:
{
SetColorOperation *coloroperation = new SetColorOperation();
coloroperation->setChannel1(0.0f);
coloroperation->setChannel2(0.0f);
coloroperation->setChannel3(0.0f);
coloroperation->setChannel4(0.0f);
operation = coloroperation;
break;
}
}
if (operation) {
output->relinkConnections(operation->getOutputSocket());
graph->addOperation(operation);
}
}
}
}
}