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100 lines
3.0 KiB
100 lines
3.0 KiB
10 years ago
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/*
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<one line to give the program's name and a brief idea of what it does.>
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Copyright (C) 2013 PCMan <email>
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef FM_THUMBNAILLOADER_H
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#define FM_THUMBNAILLOADER_H
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#include "libfmqtglobals.h"
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#include <QImage>
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#include <libfm/fm.h>
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#include <gio/gio.h>
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namespace Fm {
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class LIBFM_QT_API ThumbnailLoader {
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public:
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ThumbnailLoader();
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virtual ~ThumbnailLoader();
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static ThumbnailLoader* instance() {
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return theThumbnailLoader;
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}
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static FmThumbnailLoader* load(FmFileInfo* fileInfo, int size, FmThumbnailLoaderCallback callback, gpointer user_data) {
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// qDebug("load thumbnail: %s", fm_file_info_get_disp_name(fileInfo));
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return fm_thumbnail_loader_load(fileInfo, size, callback, user_data);
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}
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static FmFileInfo* fileInfo(FmThumbnailLoader* result) {
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return fm_thumbnail_loader_get_file_info(result);
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}
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static void cancel(FmThumbnailLoader* result) {
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fm_thumbnail_loader_cancel(result);
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}
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static QImage image(FmThumbnailLoader* result);
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static int size(FmThumbnailLoader* result) {
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return fm_thumbnail_loader_get_size(result);
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}
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static void setLocalFilesOnly(bool value) {
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localFilesOnly_ = value;
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if(fm_config)
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fm_config->thumbnail_local = localFilesOnly_;
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}
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static bool localFilesOnly() {
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return localFilesOnly_;
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}
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static int maxThumbnailFileSize() {
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return maxThumbnailFileSize_;
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}
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static void setMaxThumbnailFileSize(int size) {
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maxThumbnailFileSize_ = size;
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if(fm_config)
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fm_config->thumbnail_max = maxThumbnailFileSize_;
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}
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private:
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static GObject* readImageFromFile(const char* filename);
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static GObject* readImageFromStream(GInputStream* stream, guint64 len, GCancellable* cancellable);
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static gboolean writeImage(GObject* image, const char* filename);
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static GObject* scaleImage(GObject* ori_pix, int new_width, int new_height);
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static int getImageWidth(GObject* image);
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static int getImageHeight(GObject* image);
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static char* getImageText(GObject* image, const char* key);
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static gboolean setImageText(GObject* image, const char* key, const char* val);
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static GObject* rotateImage(GObject* image, int degree);
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private:
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static ThumbnailLoader* theThumbnailLoader;
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static bool localFilesOnly_;
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static int maxThumbnailFileSize_;
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};
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}
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#endif // FM_THUMBNAILLOADER_H
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