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#include <QtDebug>
#include <QColor>
#include <QDomNode>
#include <QPaintEvent>
#include <QPainter>
#include <QObject>
#include <QVector>
#include "waveform/renderers/waveformrendermarkrange.h"
#include "preferences/usersettings.h"
#include "track/track.h"
#include "waveform/renderers/waveformwidgetrenderer.h"
#include "widget/wskincolor.h"
#include "widget/wwidget.h"
#include "util/painterscope.h"
WaveformRenderMarkRange::WaveformRenderMarkRange(WaveformWidgetRenderer* waveformWidgetRenderer) :
WaveformRendererAbstract(waveformWidgetRenderer) {
}
void WaveformRenderMarkRange::setup(const QDomNode& node, const SkinContext& context) {
m_markRanges.clear();
m_markRanges.reserve(1);
QDomNode child = node.firstChild();
while (!child.isNull()) {
if (child.nodeName() == "MarkRange") {
m_markRanges.push_back(
WaveformMarkRange(
m_waveformRenderer->getGroup(),
child,
context,
*m_waveformRenderer->getWaveformSignalColors()));
}
child = child.nextSibling();
}
}
void WaveformRenderMarkRange::draw(QPainter *painter, QPaintEvent * /*event*/) {
PainterScope PainterScope(painter);
painter->setWorldMatrixEnabled(false);
if (isDirty()) {
generateImages();
}
for (auto&& markRange: m_markRanges) {
// If the mark range is not active we should not draw it.
if (!markRange.active()) {
continue;
}
// If the mark range is not visible we should not draw it.
if (!markRange.visible()) {
continue;
}
// Active mark ranges by definition have starts/ends that are not
// disabled so no need to check.
int startSample = markRange.start();
int endSample = markRange.end();
double startPosition = m_waveformRenderer->transformSamplePositionInRendererWorld(startSample);
double endPosition = m_waveformRenderer->transformSamplePositionInRendererWorld(endSample);
//range not in the current display
if (startPosition > m_waveformRenderer->getLength() || endPosition < 0)
continue;
QImage* selectedImage = NULL;
selectedImage = markRange.enabled() ? &markRange.m_activeImage : &markRange.m_disabledImage;
// draw the corresponding portion of the selected image
// this shouldn't involve *any* scaling it should be fast even in software mode
QRect rect;
if (m_waveformRenderer->getOrientation() == Qt::Horizontal) {
rect.setRect(startPosition, 0, endPosition - startPosition, m_waveformRenderer->getHeight());
} else {
rect.setRect(0, startPosition, m_waveformRenderer->getWidth(), endPosition - startPosition);
}
painter->drawImage(rect, *selectedImage, rect);
}
}
void WaveformRenderMarkRange::generateImages() {
for (auto&& markRange: m_markRanges) {
markRange.generateImage(m_waveformRenderer->getWidth(), m_waveformRenderer->getHeight());
}
setDirty(false);
}
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