diff options
| author | Tannin <devnull@localhost> | 2014-01-05 18:50:56 +0100 |
|---|---|---|
| committer | Tannin <devnull@localhost> | 2014-01-05 18:50:56 +0100 |
| commit | db09b806b9e765b5cb49a9a80f74a4440fff3027 (patch) | |
| tree | 47d8bc442416698d2e5b34c49d7ddd3b6efd04ce /src/previewgenerator.cpp | |
| parent | 859c0aed984240467e9e59f72aa4c9714df9fb0b (diff) | |
- Mod Organizer can now display most image types (including dds) and txt files from the data
tree, presenting a comparison of variants in case of overwritten files
Diffstat (limited to 'src/previewgenerator.cpp')
| -rw-r--r-- | src/previewgenerator.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/previewgenerator.cpp b/src/previewgenerator.cpp new file mode 100644 index 00000000..5b0a44d8 --- /dev/null +++ b/src/previewgenerator.cpp @@ -0,0 +1,111 @@ +/*
+Copyright (C) 2014 Sebastian Herbord. All rights reserved.
+
+This file is part of Mod Organizer.
+
+Mod Organizer 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 3 of the License, or
+(at your option) any later version.
+
+Mod Organizer 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 Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "previewgenerator.h"
+#include <QFileInfo>
+#include <QLabel>
+#include <QImageReader>
+#include <QTextEdit>
+#include <QGLPixelBuffer>
+#include <QDesktopWidget>
+#include <utility.h>
+
+PreviewGenerator::PreviewGenerator()
+{
+ // set up image reader to be used for all image types qt (the current installation) supports
+ auto imageReader = std::bind(&PreviewGenerator::genImagePreview, this, std::placeholders::_1);
+
+ foreach (const QByteArray &fileType, QImageReader::supportedImageFormats()) {
+ m_PreviewGenerators[QString(fileType).toLower()] = imageReader;
+ }
+
+ m_PreviewGenerators["txt"]
+ = std::bind(&PreviewGenerator::genTxtPreview, this, std::placeholders::_1);
+
+ m_PreviewGenerators["dds"]
+ = std::bind(&PreviewGenerator::genDDSPreview, this, std::placeholders::_1);
+
+ QDesktopWidget desk;
+ m_MaxSize = desk.screenGeometry().size() * 0.8;
+}
+
+bool PreviewGenerator::previewSupported(const QString &fileExtension) const
+{
+ return m_PreviewGenerators.find(fileExtension.toLower()) != m_PreviewGenerators.end();
+}
+
+QWidget *PreviewGenerator::genPreview(const QString &fileName) const
+{
+ auto iter = m_PreviewGenerators.find(QFileInfo(fileName).completeSuffix().toLower());
+ if (iter != m_PreviewGenerators.end()) {
+ return iter->second(fileName);
+ } else {
+ return nullptr;
+ }
+}
+
+QWidget *PreviewGenerator::genImagePreview(const QString &fileName) const
+{
+ QLabel *label = new QLabel();
+ label->setPixmap(QPixmap(fileName));
+ return label;
+}
+
+QWidget *PreviewGenerator::genTxtPreview(const QString &fileName) const
+{
+ QTextEdit *edit = new QTextEdit();
+ edit->setText(MOBase::readFileText(fileName));
+ edit->setReadOnly(true);
+ return edit;
+}
+
+QWidget *PreviewGenerator::genDDSPreview(const QString &fileName) const
+{
+ QGLWidget glWidget;
+ glWidget.makeCurrent();
+
+ GLuint texture = glWidget.bindTexture(fileName);
+ if (!texture)
+ return nullptr;
+
+ // Determine the size of the DDS image
+ GLint width, height;
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &height);
+
+ if (width == 0 || height == 0)
+ return nullptr;
+
+ QGLPixelBuffer pbuffer(QSize(width, height), glWidget.format(), &glWidget);
+ if (!pbuffer.makeCurrent())
+ return nullptr;
+
+ pbuffer.drawTexture(QRectF(-1, -1, 2, 2), texture);
+
+ QLabel *label = new QLabel();
+ QImage image = pbuffer.toImage();
+ if ((image.size().width() > m_MaxSize.width()) ||
+ (image.size().height() > m_MaxSize.height())) {
+ image = image.scaled(m_MaxSize, Qt::KeepAspectRatio);
+ }
+
+ label->setPixmap(QPixmap::fromImage(image));
+ return label;
+}
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