C++ (Cpp) initPangoの例

コード例 #1

ファイル: TextView.cpp プロジェクト: xournalpp/xournalpp

void TextView::drawText(cairo_t* cr, Text* t)
{
	cairo_save(cr);

	cairo_translate(cr, t->getX(), t->getY());

	PangoLayout* layout = initPango(cr, t);
	string str = t->getText();
	pango_layout_set_text(layout, str.c_str(), str.length());

	pango_cairo_show_layout(cr, layout);

	g_object_unref(layout);

	cairo_restore(cr);
}

コード例 #2

ファイル: TextView.cpp プロジェクト: xournalpp/xournalpp

void TextView::calcSize(Text* t, double& width, double& height)
{
	cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
	cairo_t* cr = cairo_create(surface);

	PangoLayout* layout = initPango(cr, t);
	string str = t->getText();
	pango_layout_set_text(layout, str.c_str(), str.length());
	int w = 0;
	int h = 0;
	pango_layout_get_size(layout, &w, &h);
	width = ((double) w) / PANGO_SCALE;
	height = ((double) h) / PANGO_SCALE;
	g_object_unref(layout);

	cairo_surface_destroy(surface);
	cairo_destroy(cr);
}

コード例 #3

ファイル: TextView.cpp プロジェクト: xournalpp/xournalpp

vector<XojPdfRectangle> TextView::findText(Text* t, string& search)
{
	cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
	cairo_t* cr = cairo_create(surface);

	PangoLayout* layout = initPango(cr, t);
	string str = t->getText();
	pango_layout_set_text(layout, str.c_str(), str.length());


	string text = t->getText();

	string srch = StringUtils::toLowerCase(search);

	vector<XojPdfRectangle> list;

	int pos = -1;
	do
	{
		pos = StringUtils::toLowerCase(text).find(srch, pos + 1);
		if (pos != -1)
		{
			XojPdfRectangle mark;
			PangoRectangle rect = { 0 };
			pango_layout_index_to_pos(layout, pos, &rect);
			mark.x1 = ((double) rect.x) / PANGO_SCALE + t->getX();
			mark.y1 = ((double) rect.y) / PANGO_SCALE + t->getY();

			pango_layout_index_to_pos(layout, pos + srch.length(), &rect);
			mark.x2 = ((double) rect.x + rect.width) / PANGO_SCALE + t->getX();
			mark.y2 = ((double) rect.y + rect.height) / PANGO_SCALE + t->getY();

			list.push_back(mark);
		}
	}
	while (pos != -1);

	g_object_unref(layout);
	cairo_surface_destroy(surface);
	cairo_destroy(cr);

	return list;
}

コード例 #4

ファイル: TextView.cpp プロジェクト: wbrenna/xournalpp

GList * TextView::findText(Text * t, const char * search) {
	cairo_surface_t * surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
	cairo_t * cr = cairo_create(surface);

	GList * list = NULL;

	PangoLayout * layout = initPango(cr, t);
	String str = t->getText();
	pango_layout_set_text(layout, str.c_str(), str.size());

	int pos = -1;

	String text = t->getText();

	String srch = search;

	do {
		pos = text.indexOfCaseInsensitiv(srch, pos + 1);
		if (pos != -1) {
			XojPopplerRectangle * mark = new XojPopplerRectangle();
			PangoRectangle rect = { 0 };
			pango_layout_index_to_pos(layout, pos, &rect);
			mark->x1 = ((double) rect.x) / PANGO_SCALE + t->getX();
			mark->y1 = ((double) rect.y) / PANGO_SCALE + t->getY();

			pango_layout_index_to_pos(layout, pos + srch.length(), &rect);
			mark->x2 = ((double) rect.x + rect.width) / PANGO_SCALE + t->getX();
			mark->y2 = ((double) rect.y + rect.height) / PANGO_SCALE + t->getY();

			list = g_list_append(list, mark);
		}
	} while (pos != -1);

	g_object_unref(layout);
	cairo_surface_destroy(surface);
	cairo_destroy(cr);

	return list;
}