Revision 280,
1.1 KB
checked in by yasumichi, 15 years ago
(diff) |
first import
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[280] | 1 | #include <sys/types.h> |
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| 2 | #include <dirent.h> |
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| 3 | |
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| 4 | #include <gtk/gtk.h> |
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| 5 | |
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| 6 | #include <string> |
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| 7 | #include <vector> |
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| 8 | |
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| 9 | #include "rgslideshow.h" |
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| 10 | |
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| 11 | using namespace std; |
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| 12 | |
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| 13 | RGSlideShow::RGSlideShow(GtkImage * image, string imgPath) |
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| 14 | : _image(image), _totalSteps(0), _currentStep(0) |
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| 15 | { |
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| 16 | DIR *dir = opendir(imgPath.c_str()); |
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| 17 | struct dirent *entry; |
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| 18 | imgPath += '/'; |
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| 19 | if (dir != NULL) { |
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| 20 | for (entry = readdir(dir); entry != NULL; entry = readdir(dir)) { |
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| 21 | if (entry->d_name[0] != '.') |
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| 22 | _imageFileList.push_back(imgPath + entry->d_name); |
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| 23 | } |
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| 24 | } |
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| 25 | sort(_imageFileList.begin(), _imageFileList.end()); |
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| 26 | } |
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| 27 | |
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| 28 | void RGSlideShow::step() |
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| 29 | { |
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| 30 | _currentStep += 1; |
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| 31 | refresh(); |
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| 32 | } |
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| 33 | |
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| 34 | void RGSlideShow::refresh() |
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| 35 | { |
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| 36 | if (!_imageFileList.empty()) { |
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| 37 | int current = 0; |
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| 38 | if (_totalSteps) { |
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| 39 | float stepping = (_totalSteps / (float)_imageFileList.size()); |
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| 40 | current = (int)((_currentStep + (stepping - 1) / 2) / stepping); |
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| 41 | if (current >= _imageFileList.size()) |
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| 42 | current = _imageFileList.size() - 1; |
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| 43 | } |
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| 44 | gtk_image_set_from_file(_image, _imageFileList[current].c_str()); |
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| 45 | } |
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| 46 | } |
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| 47 | |
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| 48 | // vim:sts=3:sw=3 |
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