tornavis/source/blender/compositor/nodes/COM_ImageNode.cpp

299 lines
12 KiB
C++

/*
* 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.
*
* Copyright 2011, Blender Foundation.
*/
#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"
#include "COM_SeparateColorNode.h"
ImageNode::ImageNode(bNode *editorNode) : Node(editorNode)
{
/* pass */
}
NodeOperation *ImageNode::doMultilayerCheck(NodeConverter &converter,
RenderLayer *rl,
Image *image,
ImageUser *user,
int framenumber,
int outputsocketIndex,
int passindex,
int view,
DataType datatype) const
{
NodeOutput *outputSocket = this->getOutputSocket(outputsocketIndex);
MultilayerBaseOperation *operation = NULL;
switch (datatype) {
case COM_DT_VALUE:
operation = new MultilayerValueOperation(passindex, view);
break;
case COM_DT_VECTOR:
operation = new MultilayerVectorOperation(passindex, view);
break;
case COM_DT_COLOR:
operation = new MultilayerColorOperation(passindex, view);
break;
default:
break;
}
operation->setImage(image);
operation->setRenderLayer(rl);
operation->setImageUser(user);
operation->setFramenumber(framenumber);
converter.addOperation(operation);
converter.mapOutputSocket(outputSocket, operation->getOutputSocket());
return operation;
}
void ImageNode::convertToOperations(NodeConverter &converter,
const CompositorContext &context) const
{
/// Image output
NodeOutput *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());
/* 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) {
NodeOutput *socket;
int index;
is_multilayer_ok = true;
for (index = 0; index < numberOfOutputs; index++) {
NodeOperation *operation = NULL;
socket = this->getOutputSocket(index);
bNodeSocket *bnodeSocket = socket->getbNodeSocket();
NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;
RenderPass *rpass = (RenderPass *)BLI_findstring(
&rl->passes, storage->pass_name, offsetof(RenderPass, name));
int view = 0;
if (STREQ(storage->pass_name, RE_PASSNAME_COMBINED) &&
STREQ(bnodeSocket->name, "Alpha")) {
/* Alpha output is already handled with the associated combined output. */
continue;
}
/* returns the image view to use for the current active view */
if (BLI_listbase_count_at_most(&image->rr->views, 2) > 1) {
const int view_image = imageuser->view;
const bool is_allview = (view_image == 0); /* if view selected == All (0) */
if (is_allview) {
/* heuristic to match image name with scene names
* check if the view name exists in the image */
view = BLI_findstringindex(
&image->rr->views, context.getViewName(), offsetof(RenderView, name));
if (view == -1)
view = 0;
}
else {
view = view_image - 1;
}
}
if (rpass) {
int passindex = BLI_findindex(&rl->passes, rpass);
switch (rpass->channels) {
case 1:
operation = doMultilayerCheck(converter,
rl,
image,
imageuser,
framenumber,
index,
passindex,
view,
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(converter,
rl,
image,
imageuser,
framenumber,
index,
passindex,
view,
COM_DT_VECTOR);
break;
case 4:
operation = doMultilayerCheck(converter,
rl,
image,
imageuser,
framenumber,
index,
passindex,
view,
COM_DT_COLOR);
break;
default:
/* dummy operation is added below */
break;
}
if (index == 0 && operation) {
converter.addPreview(operation->getOutputSocket());
}
if (STREQ(rpass->name, RE_PASSNAME_COMBINED)) {
for (int alphaIndex = 0; alphaIndex < numberOfOutputs; alphaIndex++) {
NodeOutput *alphaSocket = this->getOutputSocket(alphaIndex);
bNodeSocket *bnodeAlphaSocket = alphaSocket->getbNodeSocket();
if (!STREQ(bnodeAlphaSocket->name, "Alpha")) {
continue;
}
NodeImageLayer *alphaStorage = (NodeImageLayer *)bnodeSocket->storage;
if (!STREQ(alphaStorage->pass_name, RE_PASSNAME_COMBINED)) {
continue;
}
SeparateChannelOperation *separate_operation;
separate_operation = new SeparateChannelOperation();
separate_operation->setChannel(3);
converter.addOperation(separate_operation);
converter.addLink(operation->getOutputSocket(),
separate_operation->getInputSocket(0));
converter.mapOutputSocket(alphaSocket, separate_operation->getOutputSocket());
break;
}
}
}
/* incase we can't load the layer */
if (operation == NULL)
converter.setInvalidOutput(getOutputSocket(index));
}
}
}
BKE_image_release_ibuf(image, ibuf, NULL);
/* without this, multilayer that fail to load will crash blender [#32490] */
if (is_multilayer_ok == false) {
for (int i = 0; i < getNumberOfOutputSockets(); ++i)
converter.setInvalidOutput(getOutputSocket(i));
}
}
else {
if (numberOfOutputs > 0) {
ImageOperation *operation = new ImageOperation();
operation->setImage(image);
operation->setImageUser(imageuser);
operation->setFramenumber(framenumber);
operation->setRenderData(context.getRenderData());
operation->setViewName(context.getViewName());
converter.addOperation(operation);
if (outputStraightAlpha) {
NodeOperation *alphaConvertOperation = new ConvertPremulToStraightOperation();
converter.addOperation(alphaConvertOperation);
converter.mapOutputSocket(outputImage, alphaConvertOperation->getOutputSocket());
converter.addLink(operation->getOutputSocket(0), alphaConvertOperation->getInputSocket(0));
}
else {
converter.mapOutputSocket(outputImage, operation->getOutputSocket());
}
converter.addPreview(operation->getOutputSocket());
}
if (numberOfOutputs > 1) {
NodeOutput *alphaImage = this->getOutputSocket(1);
ImageAlphaOperation *alphaOperation = new ImageAlphaOperation();
alphaOperation->setImage(image);
alphaOperation->setImageUser(imageuser);
alphaOperation->setFramenumber(framenumber);
alphaOperation->setRenderData(context.getRenderData());
alphaOperation->setViewName(context.getViewName());
converter.addOperation(alphaOperation);
converter.mapOutputSocket(alphaImage, alphaOperation->getOutputSocket());
}
if (numberOfOutputs > 2) {
NodeOutput *depthImage = this->getOutputSocket(2);
ImageDepthOperation *depthOperation = new ImageDepthOperation();
depthOperation->setImage(image);
depthOperation->setImageUser(imageuser);
depthOperation->setFramenumber(framenumber);
depthOperation->setRenderData(context.getRenderData());
depthOperation->setViewName(context.getViewName());
converter.addOperation(depthOperation);
converter.mapOutputSocket(depthImage, depthOperation->getOutputSocket());
}
if (numberOfOutputs > 3) {
/* happens when unlinking image datablock from multilayer node */
for (int i = 3; i < numberOfOutputs; i++) {
NodeOutput *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) {
/* not supporting multiview for this generic case */
converter.addOperation(operation);
converter.mapOutputSocket(output, operation->getOutputSocket());
}
}
}
}
}