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107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/**
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* PIC_RW - Qt PIC Support
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* Copyright (C) 2007 Ruben Lopez <r.lopez@bren.es>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* ----------------------------------------------------------------------------
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*/
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#include "pic.h"
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#include "pic_rw.h"
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#include <QVariant>
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#include <QImage>
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#include <iostream>
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bool SoftimagePICHandler::canRead() const
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{
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if (!SoftimagePICHandler::canRead(device())) {
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return false;
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}
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setFormat("pic");
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return true;
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}
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bool SoftimagePICHandler::read(QImage *image)
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{
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pic_read(device(), image);
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return true;
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}
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bool SoftimagePICHandler::write(const QImage &image)
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{
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pic_write(device(), &image);
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return true;
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}
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bool SoftimagePICHandler::canRead(QIODevice *device)
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{
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PICHeader hdr;
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if (picReadHeader(device, &hdr, true)) {
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if (strncmp(hdr.id, "PICT", 4) == 0) {
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return true;
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}
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}
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return false;
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}
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QVariant SoftimagePICHandler::option(ImageOption option) const
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{
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if (option == Size) {
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PICHeader hdr;
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if (picReadHeader(device(), &hdr, true)) {
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return QSize(hdr.width, hdr.height);
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} else {
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return QSize(-1, -1);
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}
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}
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return QVariant();
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}
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bool SoftimagePICHandler::supportsOption(ImageOption option) const
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{
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return (option == Size);
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}
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QImageIOPlugin::Capabilities SoftimagePICPlugin::capabilities(QIODevice *device, const QByteArray &format) const
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{
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if (format == "pic") {
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return Capabilities(CanRead | CanWrite);
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}
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if (!format.isEmpty()) {
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return 0;
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}
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if (!device->isOpen()) {
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return 0;
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}
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Capabilities cap;
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if (device->isReadable() && SoftimagePICHandler::canRead(device)) {
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cap |= CanRead;
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}
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if (device->isWritable()) {
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cap |= CanWrite;
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}
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return cap;
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}
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QImageIOHandler *SoftimagePICPlugin::create(QIODevice *device, const QByteArray &format) const
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{
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QImageIOHandler *handler = new SoftimagePICHandler();
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handler->setDevice(device);
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handler->setFormat(format);
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return handler;
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}
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