130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2019 Jean-Christophe FRISCH <natureh.510@gmail.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "editbuffer.h"
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#include "editcallbacks.h"
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ObjectMOBuffer::ObjectMOBuffer(EditDataProvider *dataProvider) : objectMap(nullptr), objectMode(OM_255), dataProvider(dataProvider) {}
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ObjectMOBuffer::~ObjectMOBuffer()
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{
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flush();
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}
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/* Upgrade or downgrade the objectModeType */
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void ObjectMOBuffer::setObjectMode(ObjectMode newType)
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{
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if (!objectMap) {
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objectMode = newType;
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return;
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}
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int w = objectMap->get_width ();
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int h = objectMap->get_height ();
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if (w && h) {
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switch (newType) {
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case (OM_255):
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if (objectMode==OM_65535) {
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objectMap->unreference();
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objectMap = Cairo::ImageSurface::create(Cairo::FORMAT_A8, w, h);
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}
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break;
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case (OM_65535):
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if (objectMode==OM_255) {
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objectMap->unreference();
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objectMap = Cairo::ImageSurface::create(Cairo::FORMAT_RGB16_565, w, h);
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}
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break;
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}
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}
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objectMode = newType;
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}
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void ObjectMOBuffer::flush()
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{
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if (objectMap ) {
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objectMap.clear();
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}
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}
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EditSubscriber *ObjectMOBuffer::getEditSubscriber () {
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if (dataProvider) {
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return dataProvider->getCurrSubscriber();
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} else {
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return nullptr;
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}
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}
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// Resize buffers if they already exist
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void ObjectMOBuffer::resize(int newWidth, int newHeight)
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{
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if (!dataProvider) {
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return;
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}
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if (const auto currSubscriber = dataProvider->getCurrSubscriber ()) {
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if (currSubscriber->getEditingType() == ET_OBJECTS) {
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if (objectMap && (objectMap->get_width() != newWidth || objectMap->get_height() != newHeight)) {
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objectMap.clear();
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}
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if (!objectMap && newWidth>0 && newHeight>0) {
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objectMap = Cairo::ImageSurface::create(objectMode==OM_255?Cairo::FORMAT_A8:Cairo::FORMAT_RGB16_565, newWidth, newHeight);
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}
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} else {
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flush();
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}
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} else {
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flush();
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}
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}
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int ObjectMOBuffer::getObjectID(const rtengine::Coord& location)
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{
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int id = 0;
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if (!objectMap || location.x < 0 || location.y < 0 || location.x >= objectMap->get_width() || location.y >= objectMap->get_height()) {
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return -1;
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}
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if (objectMode == OM_255) {
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id = (unsigned char)(*( objectMap->get_data() + location.y * objectMap->get_stride() + location.x ));
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} else {
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id = (unsigned short)(*( objectMap->get_data() + location.y * objectMap->get_stride() + location.x ));
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}
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return id - 1;
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}
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bool ObjectMOBuffer::bufferCreated()
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{
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EditSubscriber* subscriber;
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if (dataProvider && (subscriber = dataProvider->getCurrSubscriber())) {
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return subscriber->getEditingType() == ET_OBJECTS ? bool(objectMap) : false;
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}
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return false;
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}
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