本文整理汇总了C++中Drawer::set_buffer方法的典型用法代码示例。如果您正苦于以下问题：C++ Drawer::set_buffer方法的具体用法？C++ Drawer::set_buffer怎么用？C++ Drawer::set_buffer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Drawer的用法示例。
在下文中一共展示了Drawer::set_buffer方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: FacesClassifier
int
main(int argc, char **argv)
{
ArgumentParser *argp = new ArgumentParser(argc, argv, "h:f:c:");
if (argp->has_arg("h") && argp->has_arg("f"))
// read image from file
{
const char *cascade_file = argp->arg("h");
const char *image_file = argp->arg("f");
JpegReader * reader = new JpegReader(image_file);
unsigned char *buffer =
malloc_buffer(YUV422_PLANAR, reader->pixel_width(), reader->pixel_height());
reader->set_buffer(buffer);
reader->read();
FacesClassifier *classifier =
new FacesClassifier(cascade_file, reader->pixel_width(), reader->pixel_height());
classifier->set_src_buffer(buffer, reader->pixel_width(), reader->pixel_height());
std::list<ROI> *rois = classifier->classify();
FilterROIDraw *roi_draw = new FilterROIDraw();
for (std::list<ROI>::iterator i = rois->begin(); i != rois->end(); ++i) {
printf("ROI: start (%u, %u) extent %u x %u\n",
(*i).start.x,
(*i).start.y,
(*i).width,
(*i).height);
roi_draw->set_dst_buffer(buffer, &(*i));
roi_draw->apply();
}
ImageDisplay *display = new ImageDisplay(reader->pixel_width(), reader->pixel_height());
display->show(buffer);
display->loop_until_quit();
delete display;
delete rois;
free(buffer);
delete reader;
delete classifier;
}
else if (argp->has_arg("h") && argp->has_arg("c"))
// get images from camera
{
const char *cascade_file = argp->arg("h");
Camera *camera = NULL;
try {
camera = CameraFactory::instance(argp->arg("c"));
camera->open();
camera->start();
} catch (Exception &e) {
printf("Failed to open camera.\n");
delete camera;
return (-1);
}
printf("successfully opened camera: w=%d h=%d\n",
camera->pixel_width(),
camera->pixel_height());
TimeTracker *tt = new TimeTracker();
unsigned int ttc_recognition = tt->add_class("Face recognition");
unsigned int loop_count = 0;
IplImage *image =
cvCreateImage(cvSize(camera->pixel_width(), camera->pixel_height()), IPL_DEPTH_8U, 3);
IplImage *scaled_image =
cvCreateImage(cvSize(camera->pixel_width() / 2, camera->pixel_height() / 2), IPL_DEPTH_8U, 3);
FacesClassifier *classifier = new FacesClassifier(cascade_file,
camera->pixel_width(),
camera->pixel_height(),
scaled_image,
1.2 /* scale factor */,
2 /* min neighbours */,
CV_HAAR_DO_CANNY_PRUNING);
unsigned char *display_buffer = (unsigned char *)malloc(camera->buffer_size());
ImageDisplay *display =
new ImageDisplay(camera->pixel_width(), camera->pixel_height(), "QA Faces Classifier");
Drawer *drawer = new Drawer();
drawer->set_buffer(display_buffer, camera->pixel_width(), camera->pixel_height());
SDL_Event redraw_event;
redraw_event.type = SDL_KEYUP;
redraw_event.key.keysym.sym = SDLK_SPACE;
SDL_PushEvent(&redraw_event);
//.........这里部分代码省略.........