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#include <Wt/WApplication.h>
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#include <Wt/WBrush.h>
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#include <Wt/WColor.h>
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#include <Wt/WContainerWidget.h>
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#include <Wt/WEnvironment.h>
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#include <Wt/WFont.h>
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#include <Wt/WPaintedWidget.h>
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#include <Wt/WPainter.h>
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#include <Wt/WPen.h>
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#include <Wt/WRectF.h>
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#include <Wt/WText.h>
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using namespace Wt;
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class PaintedWidget : public WPaintedWidget
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{
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public:
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PaintedWidget(AlignmentFlag alignment, WFont& title_font) :
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Wt::WPaintedWidget(), alignment_(alignment), titleFont_(title_font) { }
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~PaintedWidget() { }
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protected:
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void paintEvent(WPaintDevice *paintDevice) {
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WPainter painter(paintDevice);
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auto rect = WRectF(0, 0, 800, 30);
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WString text("The quick brown fox jumped over the lazy dog");
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painter.fillRect(rect, WBrush(StandardColor::Yellow));
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painter.setFont(titleFont_);
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painter.drawText(rect, WFlags<AlignmentFlag>(AlignmentFlag::Center) | alignment_, text);
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}
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private:
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AlignmentFlag alignment_;
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WFont titleFont_;
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};
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class TestApp : public WApplication {
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public:
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TestApp(const WEnvironment& env);
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};
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TestApp::TestApp(const WEnvironment& env) : WApplication(env)
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{
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setTitle("Test font clipping");
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static std::array<std::pair<AlignmentFlag, std::string>, 3> const alignments {
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std::make_pair(AlignmentFlag::Top, "Top"),
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std::make_pair(AlignmentFlag::Middle, "Middle"),
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std::make_pair(AlignmentFlag::Bottom, "Bottom")
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};
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static std::array<std::pair<RenderMethod, std::string>, 3> const methods {
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std::make_pair(RenderMethod::HtmlCanvas, "canvas"),
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std::make_pair(RenderMethod::PngImage, "png" ),
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std::make_pair(RenderMethod::InlineSvgVml, "svg" )
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};
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auto title_font = WFont();
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/*
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* for testing, manually switch size and font families...
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*/
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title_font.setSize(WLength(30));
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title_font.setFamily(FontFamily::SansSerif, "Arial");
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// title_font.setFamily(FontFamily::Serif, "'DejaVu Serif'");
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for (auto alignment: alignments) {
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root()->addNew<WText>(std::string("<strong>======= alignment: ") +
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alignment.second + " =======</strong><br/>");
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for (auto method: methods) {
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root()->addNew<WText>(std::string("method: ") + method.second);
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auto pw = root()->addNew<PaintedWidget>(alignment.first, title_font);
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pw->resize(800, 50);
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pw->setPreferredMethod(method.first);
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}
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}
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}
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int main(int argc, char **argv)
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{
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return WRun(argc, argv, [](const WEnvironment& env) {return std::make_unique<TestApp>(env);});
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}
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