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implemented rb_cvAlloc and replaced cvAlloc with rb_cvAlloc to allocate memory buffer as much as possible

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This commit is contained in:
ser1zw 2011-04-28 00:11:46 +09:00
parent 196c567ee0
commit 586f2161eb
6 changed files with 94 additions and 29 deletions
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58
ext/opencv/opencv.cpp
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@ -129,6 +129,35 @@ release_iplconvkernel_object(void *ptr)
}
}
/*
* Allocates a memory buffer
* When memory allocation is failed, run GC and retry it
*/
void*
rb_cvAlloc(size_t size)
{
void* ptr = NULL;
try {
ptr = cvAlloc(size);
}
catch(cv::Exception& e) {
if (e.code != CV_StsNoMem)
rb_raise(rb_eRuntimeError, "%s", e.what());
rb_gc_start();
try {
ptr = cvAlloc(size);
}
catch (cv::Exception& e) {
if (e.code == CV_StsNoMem)
rb_raise(rb_eNoMemError, "%s", e.what());
else
rb_raise(rb_eRuntimeError, "%s", e.what());
}
}
return ptr;
}
/*
* Creates CvMat and underlying data
* When memory allocation is failed, run GC and retry it
@ -158,6 +187,35 @@ rb_cvCreateMat(int height, int width, int type)
return ptr;
}
/*
* Create IplImage header and allocate underlying data
* When memory allocation is failed, run GC and retry it
*/
IplImage*
rb_cvCreateImage(CvSize size, int depth, int channels)
{
IplImage* ptr = NULL;
try {
ptr = cvCreateImage(size, depth, channels);
}
catch(cv::Exception& e) {
if (e.code != CV_StsNoMem)
rb_raise(rb_eRuntimeError, "%s", e.what());
rb_gc_start();
try {
ptr = cvCreateImage(size, depth, channels);
}
catch (cv::Exception& e) {
if (e.code == CV_StsNoMem)
rb_raise(rb_eNoMemError, "%s", e.what());
else
rb_raise(rb_eRuntimeError, "%s", e.what());
}
}
return ptr;
}
VALUE rb_module;
VALUE rb_opencv_constants;