Remove object allocations during draw

pull/30/head
Alinson S. Xavier 10 years ago
parent 27220c9ab2
commit b6e7e72f5a

@ -51,6 +51,7 @@ public class HabitHistoryView extends ScrollableDataView
private int nDays;
private int todayWeekday;
private int colors[];
private Rect baseLocation;
public HabitHistoryView(Context context, Habit habit, int baseSize)
{
@ -64,6 +65,8 @@ public class HabitHistoryView extends ScrollableDataView
wdays = DateHelper.getShortDayNames();
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
dfYear = new SimpleDateFormat("yyyy", Locale.getDefault());
baseLocation = new Rect();
}
private void updateDate()
@ -140,7 +143,7 @@ public class HabitHistoryView extends ScrollableDataView
{
super.onDraw(canvas);
Rect location = new Rect(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing);
baseLocation.set(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing);
previousMonth = "";
previousYear = "";
@ -151,11 +154,11 @@ public class HabitHistoryView extends ScrollableDataView
for (int column = 0; column < nColumns - 1; column++)
{
drawColumn(canvas, location, currentDate, column);
location.offset(columnWidth, -columnHeight);
drawColumn(canvas, baseLocation, currentDate, column);
baseLocation.offset(columnWidth, -columnHeight);
}
drawAxis(canvas, location);
drawAxis(canvas, baseLocation);
}
private void drawColumn(Canvas canvas, Rect location, GregorianCalendar date, int column)

@ -40,6 +40,7 @@ public class HabitScoreView extends ScrollableDataView
private SimpleDateFormat dfDay;
private Paint pText, pGraph;
private RectF rect, prevRect;
private int[] colors;
private int[] scores;
@ -82,6 +83,9 @@ public class HabitScoreView extends ScrollableDataView
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
dfDay = new SimpleDateFormat("d", Locale.getDefault());
rect = new RectF();
prevRect = new RectF();
}
protected void fetchData()
@ -96,14 +100,14 @@ public class HabitScoreView extends ScrollableDataView
float lineHeight = pText.getFontSpacing();
RectF rGrid = new RectF(0, 0, nColumns * columnWidth, columnHeight);
rGrid.offset(0, headerHeight);
drawGrid(canvas, rGrid);
rect.set(0, 0, nColumns * columnWidth, columnHeight);
rect.offset(0, headerHeight);
drawGrid(canvas, rect);
String previousMonth = "";
pGraph.setColor(habit.color);
RectF prevR = null;
prevRect.setEmpty();
long currentDate = DateHelper.getStartOfToday();
@ -122,26 +126,26 @@ public class HabitScoreView extends ScrollableDataView
double sRelative = ((double) score) / Habit.MAX_SCORE;
int height = (int) (columnHeight * sRelative);
RectF r = new RectF(0, 0, columnWidth, columnWidth);
r.offset(k * columnWidth,
rect.set(0, 0, columnWidth, columnWidth);
rect.offset(k * columnWidth,
headerHeight + columnHeight - height - columnWidth / 2);
if (prevR != null)
if (!prevRect.isEmpty())
{
drawLine(canvas, prevR, r);
drawMarker(canvas, prevR);
drawLine(canvas, prevRect, rect);
drawMarker(canvas, prevRect);
}
if (k == nColumns - 1) drawMarker(canvas, r);
if (k == nColumns - 1) drawMarker(canvas, rect);
prevR = r;
prevRect.set(rect);
r = new RectF(0, 0, columnWidth, columnHeight);
r.offset(k * columnWidth, headerHeight);
rect.set(0, 0, columnWidth, columnHeight);
rect.offset(k * columnWidth, headerHeight);
if (!month.equals(previousMonth))
canvas.drawText(month, r.centerX(), r.bottom + lineHeight * 1.2f, pText);
canvas.drawText(month, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
else
canvas.drawText(day, r.centerX(), r.bottom + lineHeight * 1.2f, pText);
canvas.drawText(day, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
previousMonth = month;
currentDate += 7 * DateHelper.millisecondsInOneDay;

@ -28,6 +28,7 @@ import org.isoron.uhabits.models.Streak;
import java.text.SimpleDateFormat;
import java.util.List;
import java.util.Locale;
public class HabitStreakView extends ScrollableDataView
{
@ -36,6 +37,8 @@ public class HabitStreakView extends ScrollableDataView
private List<Streak> streaks;
private long maxStreakLength;
private int[] colors;
private SimpleDateFormat dfMonth;
private Rect rect;
public HabitStreakView(Context context, Habit habit, int columnWidth)
{
@ -45,6 +48,9 @@ public class HabitStreakView extends ScrollableDataView
setDimensions(columnWidth);
createPaints();
createColors();
dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
rect = new Rect();
}
private void setDimensions(int baseSize)
@ -97,7 +103,6 @@ public class HabitStreakView extends ScrollableDataView
int nStreaks = streaks.size();
int start = nStreaks - nColumns - dataOffset;
SimpleDateFormat dfMonth = new SimpleDateFormat("MMM");
String previousMonth = "";
@ -112,14 +117,14 @@ public class HabitStreakView extends ScrollableDataView
pBar.setColor(colors[(int) Math.floor(lRelative * 3)]);
int height = (int) (columnHeight * lRelative);
Rect r = new Rect(0, 0, columnWidth - 2, height);
r.offset(offset * columnWidth, headerHeight + columnHeight - height);
rect.set(0, 0, columnWidth - 2, height);
rect.offset(offset * columnWidth, headerHeight + columnHeight - height);
canvas.drawRect(r, pBar);
canvas.drawText(Long.toString(l), r.centerX(), r.top - barHeaderOffset, pBar);
canvas.drawRect(rect, pBar);
canvas.drawText(Long.toString(l), rect.centerX(), rect.top - barHeaderOffset, pBar);
if (!month.equals(previousMonth))
canvas.drawText(month, r.centerX(), r.bottom + lineHeight * 1.2f, pText);
canvas.drawText(month, rect.centerX(), rect.bottom + lineHeight * 1.2f, pText);
previousMonth = month;
}

@ -32,6 +32,7 @@ public class RingView extends View
private Paint pRing;
private float lineHeight;
private String label;
private RectF rect;
public RingView(Context context, int size, int color, float perc, String label)
{
@ -45,6 +46,8 @@ public class RingView extends View
pRing.setAntiAlias(true);
pRing.setTextAlign(Paint.Align.CENTER);
rect = new RectF();
this.label = label;
}
@ -62,21 +65,21 @@ public class RingView extends View
float thickness = size * 0.15f;
pRing.setColor(color);
RectF r = new RectF(0, 0, size, size);
canvas.drawArc(r, -90, 360 * perc, true, pRing);
rect.set(0, 0, size, size);
canvas.drawArc(rect, -90, 360 * perc, true, pRing);
pRing.setColor(Color.rgb(230, 230, 230));
canvas.drawArc(r, 360 * perc - 90 + 2, 360 * (1 - perc) - 4, true, pRing);
canvas.drawArc(rect, 360 * perc - 90 + 2, 360 * (1 - perc) - 4, true, pRing);
pRing.setColor(Color.WHITE);
r.inset(thickness, thickness);
canvas.drawArc(r, -90, 360, true, pRing);
rect.inset(thickness, thickness);
canvas.drawArc(rect, -90, 360, true, pRing);
pRing.setColor(Color.GRAY);
pRing.setTextSize(size * 0.2f);
lineHeight = pRing.getFontSpacing();
canvas.drawText(String.format("%.0f%%", perc * 100), r.centerX(),
r.centerY() + lineHeight / 3, pRing);
canvas.drawText(String.format("%.0f%%", perc * 100), rect.centerX(),
rect.centerY() + lineHeight / 3, pRing);
pRing.setTextSize(size * 0.15f);
canvas.drawText(label, size / 2, size + lineHeight * 1.2f, pRing);

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