/** Tool for arma::mat to opencv::mat conversion
 * src is the source arma matrix
 */
void to_cvmat(mat map,mat particles,int j)
{
  cv::Mat_<double> map_image(map.n_rows,map.n_cols,map.memptr());
  map_image = map_image.t();   // to account for the row/col discrepency between opencv and armadillo
  for(int i=0;i<n_particles;i++) {
   cv::Point base(int(particles(i,0)/resolution)+distribution_display(generator_display),int(particles(i,1)/resolution)+distribution_display(generator_display));
   circle(map_image,base,5.0,cv::Scalar(0.5,0.5,0.5),-1,8);
  }
  cv::namedWindow("Map", cv::WINDOW_AUTOSIZE );
  cv::imshow("Map", map_image);
  if(j>2215){		      //hold forever at the last log file reading
  cv::waitKey(0);
  }
  else
  cv::waitKey(displayDelay);
}
Beispiel #2
0
static bool test_format(struct gl_hwdec *hw)
{
    struct priv *p = hw->priv;
    bool ok = false;

    struct mp_image_pool *alloc = mp_image_pool_new(1);
    va_pool_set_allocator(alloc, p->ctx, VA_RT_FORMAT_YUV420);
    struct mp_image *surface = mp_image_pool_get(alloc, IMGFMT_VAAPI, 64, 64);
    if (surface) {
        struct mp_image_params params = surface->params;
        if (reinit(hw, &params) >= 0) {
            GLuint textures[4];
            ok = map_image(hw, surface, textures) >= 0;
        }
        unref_image(hw);
    }
    talloc_free(surface);
    talloc_free(alloc);

    return ok;
}
Beispiel #3
0
/**
 * Show credits with list of contributors.
 *
 * Names of people are shown scrolling up like in movie-credits.\n
 * Uses map from wesnoth or campaign as background.
 */
void show_about(display &disp, std::string campaign)
{
	cursor::set(cursor::WAIT);
	CVideo &video = disp.video();
//	surface screen = video.getSurface();
//	if (screen == NULL) return;

	std::vector<std::string> text = about::get_text(campaign);
//	SDL_Rect screen_rect = {0, 0, video.getx(), video.gety()};

//	const surface_restorer restorer(&video, screen_rect);

	cursor::set(cursor::NORMAL);

	std::vector<shared_string> image_list;
	if(campaign.size() && !images[campaign].empty()){
		image_list=utils::split_shared(images[campaign]);
	}else{
		image_list=utils::split_shared(images_default,',',utils::STRIP_SPACES);
	}
	surface map_image(scale_surface(image::get_image(image_list[0]), video.getx(), video.gety()));
	if(! map_image){
		image_list[0]=game_config::game_title;
		map_image=surface(scale_surface(image::get_image(image_list[0]), video.getx(), video.gety()));
	}

	gui::button close(video,_("Close"));
	close.set_location((video.getx()/2)-(close.width()/2), video.gety() - 30);
	close.set_volatile(true);

	const int def_size = font::SIZE_XLARGE;
	const SDL_Color def_color = font::NORMAL_COLOUR;

	//substitute in the correct control characters for '+' and '-'
	std::string before_header(2, ' ');
	before_header[0] = font::LARGE_TEXT;
	for(unsigned i = 0; i < text.size(); ++i) {
		std::string &s = text[i];
		if (s.empty()) continue;
		char &first = s[0];
		if (first == '-')
			first = font::SMALL_TEXT;
		else if (first == '+') {
			first = font::LARGE_TEXT;
			text.insert(text.begin() + i, before_header);
			++i;
		}
	}
	text.insert(text.begin(), 10, before_header);

	int startline = 0;

	//TODO: use values proportionnal to screen ?
	// distance from top of map image to top of scrolling text
	const int top_margin = 60;
	// distance from bottom of scrolling text to bottom of map image
	const int bottom_margin = 40;
	// distance from left of scrolling text to the frame border
	const int text_left_padding = video.getx()/32;

	int offset = 0;
	bool is_new_line = true;

	int first_line_height = 0;

	SDL_Rect frame_area = {
		video.getx() * 3/32,
		top_margin,
		video.getx() * 13 / 16,
		video.gety() - top_margin - bottom_margin
	};

	// we use a dialog to contains the text. Strange idea but at least the style
	// will be consistent with the titlescreen
	gui::dialog_frame f(video, "", gui::dialog_frame::titlescreen_style, false);

	// set the layout and get the interior rectangle
	SDL_Rect text_rect = f.layout(frame_area).interior;
	text_rect.x += text_left_padding;
	text_rect.w -= text_left_padding;
	// make a copy to prevent SDL_blit to change its w and h
	SDL_Rect text_rect_blit = text_rect;

	CKey key;
	bool last_escape;

	surface text_surf = create_neutral_surface(text_rect.w, text_rect.h); //create_compatible_surface(screen, text_rect.w, text_rect.h);
	SDL_SetAlpha(text_surf, SDL_RLEACCEL, SDL_ALPHA_OPAQUE);

	int image_count = 0;
	int scroll_speed = 4;	// scroll_speed*50 = speed of scroll in pixel per second

	// initialy redraw all
	bool redraw_mapimage = true;
	int max_text_width = text_rect.w;

	do {
		last_escape = key[SDLK_ESCAPE] != 0;

		// check to see if background image has changed
		if(text.size() && (image_count <
				((startline * static_cast<int>(image_list.size())) /
				static_cast<int>(text.size())))){

			image_count++;
			surface temp=surface(scale_surface(image::get_image(image_list[image_count]), video.getx(), video.gety()));
			map_image=temp?temp:map_image;
			redraw_mapimage = true;
		}

//		if (redraw_mapimage) 
		{
			// draw map to screen, thus erasing all text
			//SDL_BlitSurface(map_image, NULL, screen, NULL);
			blit_surface(0, 0, map_image);
//			update_rect(screen_rect);

			// redraw the dialog
			f.draw_background();
			f.draw_border();
			// cache the dialog background (alpha blending + blurred map)
			//SDL_BlitSurface(screen, &text_rect, text_surf, NULL);
			redraw_mapimage = false;
		} 
/*		else {
			// redraw the saved part of the dialog where text scrolled
			// thus erasing all text
			SDL_Rect modified = {0,0, max_text_width, text_rect.h};
			SDL_BlitSurface(text_surf, &modified, screen, &text_rect_blit);
			//update_rect(text_rect);
		}
*/
		const int line_spacing = 5;

		int y = text_rect.y - offset;
		int line = startline;
		int cur_line = 0;
		max_text_width = 0;

		{
		// clip to keep text into the frame (thus the new code block)
		clip_rect_setter set_clip_rect(/*screen,*/ text_rect);
			do {
				// draw the text (with ellipsis if needed)
				// update the max_text_width for future cleaning
				int w = font::draw_text(&video, text_rect, def_size, def_color,
										text[line], text_rect.x, y).w;
				max_text_width = std::max<int>(max_text_width, w);
				// since the real drawing on screen is clipped,
				// we do a dummy one to get the height of the not clipped line.
				// (each time because special format characters may change it)
				const int line_height = font::draw_text(NULL, text_rect, def_size, def_color,
										text[line], 0,0).h;

				if(is_new_line) {
					is_new_line = false;
					first_line_height = line_height + line_spacing;
				}
				line++;
				if(size_t(line) > text.size()-1)
					line = 0;
				y += line_height + line_spacing;
				cur_line++;
			} while(y < text_rect.y + text_rect.h);
		}

		// performs the actual scrolling
		offset += scroll_speed;
		if (offset>=first_line_height) {
			offset -= first_line_height;
			is_new_line = true;
			startline++;
			if(size_t(startline) == text.size()){
				startline = 0;
				image_count = -1;
			}
		}

		// handle events
		if (key[SDLK_UP] && scroll_speed < 20) {
			++scroll_speed;
		}
		if (key[SDLK_DOWN] && scroll_speed > 0) {
			--scroll_speed;
		}

		events::pump();
		events::raise_process_event();
		events::raise_draw_event();

		// flip screen and wait, so the text does not scroll too fast
		disp.flip();
		disp.delay(20);

	} while(!close.pressed() && (last_escape || !key[SDLK_ESCAPE]));
}
Beispiel #4
0
status_t
load_image(char const* name, image_type type, const char* rpath,
	const char* requestingObjectPath, image_t** _image)
{
	int32 pheaderSize, sheaderSize;
	char path[PATH_MAX];
	ssize_t length;
	char pheaderBuffer[4096];
	int32 numRegions;
	image_t* found;
	image_t* image;
	status_t status;
	int fd;

	elf_ehdr eheader;

	// Have we already loaded that image? Don't check for add-ons -- we always
	// reload them.
	if (type != B_ADD_ON_IMAGE) {
		found = find_loaded_image_by_name(name, APP_OR_LIBRARY_TYPE);

		if (found == NULL && type != B_APP_IMAGE && gProgramImage != NULL) {
			// Special case for add-ons that link against the application
			// executable, with the executable not having a soname set.
			if (const char* lastSlash = strrchr(name, '/')) {
				if (strcmp(gProgramImage->name, lastSlash + 1) == 0)
					found = gProgramImage;
			}
		}

		if (found) {
			atomic_add(&found->ref_count, 1);
			*_image = found;
			KTRACE("rld: load_container(\"%s\", type: %d, rpath: \"%s\") "
				"already loaded", name, type, rpath);
			return B_OK;
		}
	}

	KTRACE("rld: load_container(\"%s\", type: %d, rpath: \"%s\")", name, type,
		rpath);

	strlcpy(path, name, sizeof(path));

	// find and open the file
	fd = open_executable(path, type, rpath, get_program_path(),
		requestingObjectPath, sSearchPathSubDir);
	if (fd < 0) {
		FATAL("Cannot open file %s: %s\n", name, strerror(fd));
		KTRACE("rld: load_container(\"%s\"): failed to open file", name);
		return fd;
	}

	// normalize the image path
	status = _kern_normalize_path(path, true, path);
	if (status != B_OK)
		goto err1;

	// Test again if this image has been registered already - this time,
	// we can check the full path, not just its name as noted.
	// You could end up loading an image twice with symbolic links, else.
	if (type != B_ADD_ON_IMAGE) {
		found = find_loaded_image_by_name(path, APP_OR_LIBRARY_TYPE);
		if (found) {
			atomic_add(&found->ref_count, 1);
			*_image = found;
			_kern_close(fd);
			KTRACE("rld: load_container(\"%s\"): already loaded after all",
				name);
			return B_OK;
		}
	}

	length = _kern_read(fd, 0, &eheader, sizeof(eheader));
	if (length != sizeof(eheader)) {
		status = B_NOT_AN_EXECUTABLE;
		FATAL("%s: Troubles reading ELF header\n", path);
		goto err1;
	}

	status = parse_elf_header(&eheader, &pheaderSize, &sheaderSize);
	if (status < B_OK) {
		FATAL("%s: Incorrect ELF header\n", path);
		goto err1;
	}

	// ToDo: what to do about this restriction??
	if (pheaderSize > (int)sizeof(pheaderBuffer)) {
		FATAL("%s: Cannot handle program headers bigger than %lu\n",
			path, sizeof(pheaderBuffer));
		status = B_UNSUPPORTED;
		goto err1;
	}

	length = _kern_read(fd, eheader.e_phoff, pheaderBuffer, pheaderSize);
	if (length != pheaderSize) {
		FATAL("%s: Could not read program headers: %s\n", path,
			strerror(length));
		status = B_BAD_DATA;
		goto err1;
	}

	numRegions = count_regions(path, pheaderBuffer, eheader.e_phnum,
		eheader.e_phentsize);
	if (numRegions <= 0) {
		FATAL("%s: Troubles parsing Program headers, numRegions = %" B_PRId32
			"\n", path, numRegions);
		status = B_BAD_DATA;
		goto err1;
	}

	image = create_image(name, path, numRegions);
	if (image == NULL) {
		FATAL("%s: Failed to allocate image_t object\n", path);
		status = B_NO_MEMORY;
		goto err1;
	}

	status = parse_program_headers(image, pheaderBuffer, eheader.e_phnum,
		eheader.e_phentsize);
	if (status < B_OK)
		goto err2;

	if (!assert_dynamic_loadable(image)) {
		FATAL("%s: Dynamic segment must be loadable (implementation "
			"restriction)\n", image->path);
		status = B_UNSUPPORTED;
		goto err2;
	}

	status = map_image(fd, path, image, eheader.e_type == ET_EXEC);
	if (status < B_OK) {
		FATAL("%s: Could not map image: %s\n", image->path, strerror(status));
		status = B_ERROR;
		goto err2;
	}

	if (!parse_dynamic_segment(image)) {
		FATAL("%s: Troubles handling dynamic section\n", image->path);
		status = B_BAD_DATA;
		goto err3;
	}

	if (eheader.e_entry != 0)
		image->entry_point = eheader.e_entry + image->regions[0].delta;

	analyze_image_haiku_version_and_abi(fd, image, eheader, sheaderSize,
		pheaderBuffer, sizeof(pheaderBuffer));

	// If this is the executable image, we init the search path
	// subdir, if the compiler version doesn't match ours.
	if (type == B_APP_IMAGE) {
		#if __GNUC__ == 2
			if ((image->abi & B_HAIKU_ABI_MAJOR) == B_HAIKU_ABI_GCC_4)
				sSearchPathSubDir = "x86";
		#elif __GNUC__ >= 4
			if ((image->abi & B_HAIKU_ABI_MAJOR) == B_HAIKU_ABI_GCC_2)
				sSearchPathSubDir = "x86_gcc2";
		#endif
	}

	set_abi_version(image->abi);

	// init gcc version dependent image flags
	// symbol resolution strategy
	if (image->abi == B_HAIKU_ABI_GCC_2_ANCIENT)
		image->find_undefined_symbol = find_undefined_symbol_beos;

	// init version infos
	status = init_image_version_infos(image);

	image->type = type;
	register_image(image, fd, path);
	image_event(image, IMAGE_EVENT_LOADED);

	_kern_close(fd);

	enqueue_loaded_image(image);

	*_image = image;

	KTRACE("rld: load_container(\"%s\"): done: id: %" B_PRId32 " (ABI: %#"
		B_PRIx32 ")", name, image->id, image->abi);

	return B_OK;

err3:
	unmap_image(image);
err2:
	delete_image_struct(image);
err1:
	_kern_close(fd);

	KTRACE("rld: load_container(\"%s\"): failed: %s", name,
		strerror(status));

	return status;
}
Beispiel #5
0
/// Apply geometric transform to image.
///
/// The transformation \a map is applied to the image \a in and the result
/// stored in \a im. If \a adjustSize is \c true, \a im will be sized so that
/// it contains all the transformed rectangle, otherwise it stays at original
/// size.
///
/// The returned pair of integers is the offset of the returned image \a im
/// with respect to original image \a in. If \a adjustSize is \c false, this is
/// (0,0), otherwise the location of upper-left corner of \a im in pixel
/// coordinates of \a in.
///
/// Interpolation is done by spline. Anti-aliasing filter is optional.
///
/// \a vOut is the background value to put at pixels outside image.
std::pair<int,int> map_image(LWImage<float> in,
                             libNumerics::Homography map,
                             LWImage<float>& im,
                             int order, bool adjustSize,
                             bool antiAlias, float vOut)
{
    int w = in.w, h = in.h;
    float zoomOut = antiAlias?
        static_cast<float>( minZoomOut(map.mat(), w, h) ): 1.0f;
    const libNumerics::Homography oriMap(map);
    const int oriW=w, oriH=h;
    std::pair<int,int> offset(0,0);
    if(adjustSize) {
        offset = boundingBox(map, w, h);
        free(im.data);
        im = alloc_image<float>(w, h, in.comps);
    }
    if(zoomOut < 1.0f) {
        float zoomIn = 1.0f / zoomOut;
        // GF: added some extra space
        int wZoom=(int)std::ceil(w*zoomIn*1.5), hZoom=(int)std::ceil(h*zoomIn*1.5);
        LWImage<float> imZoom = alloc_image<float>(wZoom,hZoom,in.comps);
        libNumerics::matrix<double> mapZ(3,3);
        mapZ = 0.0;
        mapZ(0,0) = zoomIn;
        mapZ(1,1) = zoomIn;
        mapZ(2,2) = 1.0;
        map.mat() = mapZ*map.mat();
        map_image(in, map, imZoom, order, false, false, vOut);
        float sigma = 0.8f*sqrt(zoomIn*zoomIn-1.0f);
        gauss_convol(imZoom, sigma);
        map.mat() = 0.0;
        map.mat()(0,0)=zoomOut;
        map.mat()(1,1)=zoomOut;
        map.mat()(2,2)=1.0;
        in = imZoom;
    }
    LWImage<float> tmp = alloc_image(in);
    if( prepare_spline(tmp,order) ) {
        libNumerics::Homography inv = map.inverse();
        const int stepComp = im.stepComp();
        float* out = new float[im.comps];
        float* pixOut = im.data;
        for(int i = 0; i < im.h; i++)
            for(int j = 0; j < im.w; j++) {
                double x=j+offset.first, y=i+offset.second;
                inv(x,y);
                for(int k=0; k < im.comps; k++)
                    out[k] = vOut;
                interpolate_spline(tmp, order,
                                   static_cast<float>(x+.5),
								   static_cast<float>(y+.5), out);
                for(int k=0; k < im.comps; k++)
                    pixOut[k*stepComp] = out[k];
                pixOut += im.step();
            }
        delete [] out;
    }
    free(tmp.data);
    if(zoomOut < 1.0f) {
        free(in.data); // Was allocated above
        if(! is_number(vOut)) { // Put back mask
            libNumerics::Homography inv = oriMap.inverse();
            const int stepComp = im.stepComp();
            float* pixOut = im.data;
            for(int i = 0; i < im.h; i++)
                for(int j = 0; j < im.w; j++) {
                    double x=j+offset.first, y=i+offset.second;
                    inv(x,y);
                    if(x<0 || x>=oriW || y<0 || y>=oriH)
                        for(int k=0; k < im.comps; k++)
                            pixOut[k*stepComp] = NaN;
                    pixOut += im.step();
                }
        }
    }
    return offset;
}