Mercurial Repositories > eric / file comparison
comparison: src/eric7/UI/PixmapCache.py
src/eric7/UI/PixmapCache.py
- branch
- eric7
- changeset 9221
- bf71ee032bb4
- parent 9209
- b99e7fd55fd3
- child 9413
- 80c06d472826
equal
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replaced
| 9220:e9e7eca7efee | 9221:bf71ee032bb4 |
|---|---|
| 15 | 15 |
| 16 class PixmapCache: | 16 class PixmapCache: |
| 17 """ | 17 """ |
| 18 Class implementing a pixmap cache for icons. | 18 Class implementing a pixmap cache for icons. |
| 19 """ | 19 """ |
| 20 | |
| 20 SupportedExtensions = [".svgz", ".svg", ".png"] | 21 SupportedExtensions = [".svgz", ".svg", ".png"] |
| 21 | 22 |
| 22 def __init__(self): | 23 def __init__(self): |
| 23 """ | 24 """ |
| 24 Constructor | 25 Constructor |
| 25 """ | 26 """ |
| 26 self.pixmapCache = {} | 27 self.pixmapCache = {} |
| 38 @rtype QPixmap | 39 @rtype QPixmap |
| 39 """ | 40 """ |
| 40 if key: | 41 if key: |
| 41 basename, ext = os.path.splitext(key) | 42 basename, ext = os.path.splitext(key) |
| 42 if size and not size.isEmpty(): | 43 if size and not size.isEmpty(): |
| 43 key = "{0}_{1}_{2}".format( | 44 key = "{0}_{1}_{2}".format(basename, size.width(), size.height()) |
| 44 basename, size.width(), size.height()) | |
| 45 else: | 45 else: |
| 46 key = basename | 46 key = basename |
| 47 | 47 |
| 48 try: | 48 try: |
| 49 return self.pixmapCache[key] | 49 return self.pixmapCache[key] |
| 50 except KeyError: | 50 except KeyError: |
| 51 pm = QPixmap() | 51 pm = QPixmap() |
| 52 for extension in self.SupportedExtensions: | 52 for extension in self.SupportedExtensions: |
| 62 if size and not size.isEmpty(): | 62 if size and not size.isEmpty(): |
| 63 pm = pm.scaled(size) | 63 pm = pm.scaled(size) |
| 64 break | 64 break |
| 65 else: | 65 else: |
| 66 pm = QPixmap() | 66 pm = QPixmap() |
| 67 | 67 |
| 68 self.pixmapCache[key] = pm | 68 self.pixmapCache[key] = pm |
| 69 return self.pixmapCache[key] | 69 return self.pixmapCache[key] |
| 70 | 70 |
| 71 return QPixmap() | 71 return QPixmap() |
| 72 | 72 |
| 73 def addSearchPath(self, path): | 73 def addSearchPath(self, path): |
| 74 """ | 74 """ |
| 75 Public method to add a path to the search path. | 75 Public method to add a path to the search path. |
| 76 | 76 |
| 77 @param path path to add | 77 @param path path to add |
| 78 @type str | 78 @type str |
| 79 """ | 79 """ |
| 80 if path not in self.searchPath: | 80 if path not in self.searchPath: |
| 81 self.searchPath.append(path) | 81 self.searchPath.append(path) |
| 82 | 82 |
| 83 def removeSearchPath(self, path): | 83 def removeSearchPath(self, path): |
| 84 """ | 84 """ |
| 85 Public method to remove a path from the search path. | 85 Public method to remove a path from the search path. |
| 86 | 86 |
| 87 @param path path to remove | 87 @param path path to remove |
| 88 @type str | 88 @type str |
| 89 """ | 89 """ |
| 90 if path in self.searchPath: | 90 if path in self.searchPath: |
| 91 self.searchPath.remove(path) | 91 self.searchPath.remove(path) |
| 92 | |
| 92 | 93 |
| 93 pixCache = PixmapCache() | 94 pixCache = PixmapCache() |
| 94 | 95 |
| 95 | 96 |
| 96 def getPixmap(key, size=None, cache=pixCache): | 97 def getPixmap(key, size=None, cache=pixCache): |
| 195 | 196 |
| 196 | 197 |
| 197 def removeSearchPath(path, cache=pixCache): | 198 def removeSearchPath(path, cache=pixCache): |
| 198 """ | 199 """ |
| 199 Public method to remove a path from the search path. | 200 Public method to remove a path from the search path. |
| 200 | 201 |
| 201 @param path path to remove | 202 @param path path to remove |
| 202 @type str | 203 @type str |
| 203 @param cache reference to the pixmap cache object | 204 @param cache reference to the pixmap cache object |
| 204 @type PixmapCache | 205 @type PixmapCache |
| 205 """ | 206 """ |
