QuartzCore.framework | |
Public Framework | |
---|---|
Availabile | 2.0 – present |
Class Prefix | CA |
Headers | [headers.cynder.me] |
QuartzCore, also known as Core Animation, is an Objective-C framework that creates simple animations on UI elements.
Debugging
Signature | unsigned CAGetDebugFlags(); |
---|---|
Available in | 2.0 – |
Signature | void CASetDebugFlags(unsigned flags); |
---|---|
Available in | 2.0 – |
Applications linked with QuartzCore will recognize the following debugging (boolean) environment variables:
Flag | Environment variable |
---|---|
1 | CA_COLOR_FLUSH[1] |
2 | CA_COLOR_COPY |
4 | CA_COLOR_OPAQUE[1][2] |
8 | CA_COLOR_NO_WAIT[1] |
16 | CA_AUTO_FLUSH |
32 | CA_PRINT_TREE[1] |
64 | CA_PRINT_OBJECTS |
128 | CA_LOG_IMPLICIT_TRANSACTIONS |
256 | CA_LOG_MEMORY_USAGE |
512 | CA_LOG_IMAGE_COPIES |
1024 | CA_PRINT_PERF |
2048 | CA_DISABLE_OCCLUSION_CULLING |
4096 | CA_DISABLE_DIRTY_REGIONS |
8192 | CA_LOG_TRIPLE_BUFFERING |
16384 | CA_COLOR_SUBPIXEL |
32768 | CA_DISABLE_RENDER |
65536 | CA_ALWAYS_RENDER |
131072 | CA_COLOR_OFFSCREEN |
262144 | CA_COLOR_DETACHED |
Alternatively, you can use the CASetDebugFlags() to update the flags in runtime.
References
- ↑ 1.0 1.1 1.2 1.3 http://lists.apple.com/archives/Quartz-dev/2008/Oct/msg00048.html
- ↑ Darknoon Blog » Core Animation debug mode: http://darknoon.com/blog/2009/06/29/core-animation-debug-mode/
- Official reference: http://developer.apple.com/iPhone/library/documentation/GraphicsImaging/Reference/QuartzCoreRefCollection/index.html
|