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added error handling to IplImage methods

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This commit is contained in:
ser1zw 2011-07-21 23:06:40 +09:00
parent 92c0582580
commit 354d47830a
1 changed files with 57 additions and 21 deletions
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54
ext/opencv/iplimage.cpp
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@ -88,9 +88,9 @@ rb_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE width, height, depth, channel;
rb_scan_args(argc, argv, "22", &width, &height, &depth, &channel);
int _depth = argc < 3 ? CV_8U : FIX2INT(depth);
int _channel = argc < 4 ? 3 : FIX2INT(channel);
DATA_PTR(self) = rb_cvCreateImage(cvSize(FIX2INT(width), FIX2INT(height)), cvIplDepth(_depth), _channel);
int _depth = CVMETHOD("DEPTH", depth, CV_8U);
int _channel = argc < 4 ? 3 : NUM2INT(channel);
DATA_PTR(self) = rb_cvCreateImage(cvSize(NUM2INT(width), NUM2INT(height)), cvIplDepth(_depth), _channel);
return self;
}
@ -139,7 +139,14 @@ rb_load_image(int argc, VALUE *argv, VALUE self)
VALUE
rb_get_roi(VALUE self)
{
return cCvRect::new_object(cvGetImageROI(IPLIMAGE(self)));
CvRect rect;
try {
rect = cvGetImageROI(IPLIMAGE(self));
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return cCvRect::new_object(rect);
}
/*
@ -154,14 +161,20 @@ VALUE
rb_set_roi(VALUE self, VALUE roi)
{
VALUE block = rb_block_given_p() ? rb_block_proc() : 0;
try {
if (block) {
CvRect prev_roi = cvGetImageROI(IPLIMAGE(self));
cvSetImageROI(IPLIMAGE(self), VALUE_TO_CVRECT(roi));
rb_yield_values(1, self);
cvSetImageROI(IPLIMAGE(self), prev_roi);
} else {
}
else {
cvSetImageROI(IPLIMAGE(self), VALUE_TO_CVRECT(roi));
}
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return self;
}
@ -172,7 +185,12 @@ rb_set_roi(VALUE self, VALUE roi)
VALUE
rb_reset_roi(VALUE self)
{
try {
cvResetImageROI(IPLIMAGE(self));
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return self;
}
@ -182,7 +200,14 @@ rb_reset_roi(VALUE self)
VALUE
rb_get_coi(VALUE self)
{
return INT2FIX(cvGetImageCOI(IPLIMAGE(self)));
int coi = 0;
try {
coi = cvGetImageCOI(IPLIMAGE(self));
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return INT2FIX(coi);
}
/*
@ -197,13 +222,19 @@ VALUE
rb_set_coi(VALUE self, VALUE coi)
{
VALUE block = rb_block_given_p() ? rb_block_proc() : 0;
try {
if (block) {
int prev_coi = cvGetImageCOI(IPLIMAGE(self));
cvSetImageCOI(IPLIMAGE(self), FIX2INT(coi));
cvSetImageCOI(IPLIMAGE(self), NUM2INT(coi));
rb_yield_values(1, self);
cvSetImageCOI(IPLIMAGE(self), prev_coi);
} else {
cvSetImageCOI(IPLIMAGE(self), FIX2INT(coi));
}
else {
cvSetImageCOI(IPLIMAGE(self), NUM2INT(coi));
}
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return self;
}
@ -214,7 +245,12 @@ rb_set_coi(VALUE self, VALUE coi)
VALUE
rb_reset_coi(VALUE self)
{
try {
cvSetImageCOI(IPLIMAGE(self), 0);
}
catch (cv::Exception& e) {
raise_cverror(e);
}
return self;
}