/* Copyright (c) 2013-2015 Jeffrey Pfau * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "MessagePainter.h" #include #include extern "C" { #include "gba/video.h" } using namespace QGBA; MessagePainter::MessagePainter(QObject* parent) : QObject(parent) , m_messageTimer(this) { m_messageFont.setFamily("Source Code Pro"); m_messageFont.setStyleHint(QFont::Monospace); m_messageFont.setPixelSize(13); connect(&m_messageTimer, SIGNAL(timeout()), this, SLOT(clearMessage())); m_messageTimer.setSingleShot(true); m_messageTimer.setInterval(5000); clearMessage(); } void MessagePainter::resize(const QSize& size, bool lockAspectRatio) { int w = size.width(); int h = size.height(); int drawW = w; int drawH = h; if (lockAspectRatio) { if (w * 2 > h * 3) { drawW = h * 3 / 2; } else if (w * 2 < h * 3) { drawH = w * 2 / 3; } } m_world.reset(); m_world.translate((w - drawW) / 2, (h - drawH) / 2); m_world.scale(qreal(drawW) / VIDEO_HORIZONTAL_PIXELS, qreal(drawH) / VIDEO_VERTICAL_PIXELS); m_message.prepare(m_world, m_messageFont); } void MessagePainter::paint(QPainter* painter) { painter->setWorldTransform(m_world); painter->setRenderHint(QPainter::Antialiasing); painter->setFont(m_messageFont); painter->setPen(Qt::black); painter->translate(1, VIDEO_VERTICAL_PIXELS - m_messageFont.pixelSize() - 1); const static int ITERATIONS = 11; for (int i = 0; i < ITERATIONS; ++i) { painter->save(); painter->translate(cos(i * 2.0 * M_PI / ITERATIONS) * 0.8, sin(i * 2.0 * M_PI / ITERATIONS) * 0.8); painter->drawStaticText(0, 0, m_message); painter->restore(); } painter->setPen(Qt::white); painter->drawStaticText(0, 0, m_message); } void MessagePainter::showMessage(const QString& message) { m_message.setText(message); m_message.prepare(m_world, m_messageFont); m_messageTimer.stop(); m_messageTimer.start(); } void MessagePainter::clearMessage() { m_message.setText(QString()); m_messageTimer.stop(); }