InterruptDelegate.cpp
#include "main.h"
#include "support.h"
#include "lt_fileSpec.h"
#include "lti_delegates.h"
#include "lti_scene.h"
#include "lti_sceneBuffer.h"
#include "MrSIDImageReader.h"
LT_USE_NAMESPACE(LizardTech);
class MyInterrupt : public LTIInterruptDelegate
{
public:
MyInterrupt(int n) :
LTIInterruptDelegate(),
m_cnt(0),
m_max(n)
{
return;
}
LT_STATUS getInterruptStatus()
{
printf("interrupt called %d times\n", m_cnt);
if (m_cnt == 10) return 999;
++m_cnt;
return LT_STS_Success;
}
public:
int m_cnt;
private:
const int m_max;
};
LT_STATUS InterruptDelegate()
{
LT_STATUS sts = LT_STS_Uninit;
MyInterrupt interrupt(10);
const LTFileSpec fileSpec(INPUT_PATH("meg_cr20.sid"));
MrSIDImageReader *reader = MrSIDImageReader::create();
TEST_BOOL(reader != NULL);
TEST_SUCCESS(reader->initialize(fileSpec));
reader->setInterruptDelegate(&interrupt);
const LTIScene scene(0, 0, 640, 480, 1.0);
LTISceneBuffer bufData(reader->getPixelProps(),
scene.getNumCols(), scene.getNumRows(),
NULL);
sts = reader->read(scene, bufData);
TEST_BOOL(sts == 999);
TEST_BOOL(interrupt.m_cnt == 10);
reader->release();
reader = NULL;
return LT_STS_Success;
}