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-rw-r--r--metawatch/metawatchpaintengine.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/metawatch/metawatchpaintengine.cpp b/metawatch/metawatchpaintengine.cpp
new file mode 100644
index 0000000..71ad452
--- /dev/null
+++ b/metawatch/metawatchpaintengine.cpp
@@ -0,0 +1,82 @@
+#include "metawatch.h"
+#include "metawatchpaintengine.h"
+
+using namespace sowatch;
+
+MetaWatchPaintEngine::MetaWatchPaintEngine(MetaWatch* watch, QImage* image) :
+ WatchPaintEngine(watch, image), _watch(watch),
+ _imageRect(image->rect())
+{
+}
+
+void MetaWatchPaintEngine::drawRects(const QRectF *rects, int rectCount)
+{
+ int i;
+ for (i = 0; i < rectCount; i++) {
+ const QRectF& r = rects[i];
+ if (_hasBrush && fillsEntireImage(r.toRect()) && (_isBrushBlack | _isBrushWhite)) {
+ _watch->clear(_isBrushWhite);
+ _damaged = QRegion();
+ continue;
+ }
+ if (_hasBrush) {
+ damageRect(r);
+ }
+ if (_hasPen) {
+ damagePenStroke(QLineF(r.left(), r.top(), r.right(), r.top()));
+ damagePenStroke(QLineF(r.right(), r.top(), r.right(), r.bottom()));
+ damagePenStroke(QLineF(r.left(), r.bottom(), r.right(), r.bottom()));
+ damagePenStroke(QLineF(r.left(), r.top(), r.left(), r.bottom()));
+ }
+ }
+ _painter.drawRects(rects, rectCount);
+}
+
+void MetaWatchPaintEngine::drawRects(const QRect *rects, int rectCount)
+{
+ int i;
+ for (i = 0; i < rectCount; i++) {
+ const QRect& r = rects[i];
+ if (_hasBrush && fillsEntireImage(r) && (_isBrushBlack | _isBrushWhite)) {
+ _watch->clear(_isBrushWhite);
+ _damaged = QRegion();
+ continue;
+ }
+ if (_hasBrush) {
+ damageRect(r);
+ }
+ if (_hasPen) {
+ damagePenStroke(QLine(r.left(), r.top(), r.right(), r.top()));
+ damagePenStroke(QLine(r.right(), r.top(), r.right(), r.bottom()));
+ damagePenStroke(QLine(r.left(), r.bottom(), r.right(), r.bottom()));
+ damagePenStroke(QLine(r.left(), r.top(), r.left(), r.bottom()));
+ }
+ }
+
+ _painter.drawRects(rects, rectCount);
+}
+
+void MetaWatchPaintEngine::updateState(const QPaintEngineState &state)
+{
+ WatchPaintEngine::updateState(state);
+ if (state.state() & QPaintEngine::DirtyBrush) {
+ QBrush brush = state.brush();
+ _isBrushBlack = false;
+ _isBrushWhite = false;
+ if (brush.style() == Qt::SolidPattern) {
+ const QColor color = brush.color();
+ if (color == Qt::black) {
+ _isBrushBlack = true;
+ } else if (color == Qt::white) {
+ _isBrushWhite = true;
+ }
+ }
+ }
+}
+
+bool MetaWatchPaintEngine::fillsEntireImage(const QRect& rect)
+{
+ return rect == _imageRect &&
+ (!_clipEnabled ||
+ (_clipRegion.numRects() == 1 && _clipRegion.rects().at(0) == _imageRect));
+}