use of com.codename1.ui.Transform in project CodenameOne by codenameone.
the class AndroidGraphics method setTransform.
public void setTransform(Transform transform) {
Transform t = getTransform();
if (t != transform) {
t.setTransform(transform);
}
transformDirty = true;
inverseTransformDirty = true;
clipFresh = false;
}
use of com.codename1.ui.Transform in project CodenameOne by codenameone.
the class AndroidGraphics method drawPath.
public void drawPath(Path p, Stroke stroke) {
paint.setStyle(Paint.Style.STROKE);
Stroke old = setStroke(stroke);
// System.out.println("Transform semaphore "+transformSemaphore);
if (getTransform().isIdentity()) {
canvas.drawPath(p, paint);
} else {
RectF bounds = new RectF();
p.computeBounds(bounds, false);
Path p2 = new Path();
p.transform(getTransformMatrix(), p2);
RectF bounds2 = new RectF();
p2.computeBounds(bounds2, false);
float b2w = bounds2.width();
float bw = bounds.width();
float bw2 = Math.max(1, b2w) / Math.max(1, bw);
float bh2 = Math.max(1, bounds2.height()) / Math.max(1, bounds.height());
float ratio = Math.max(bw2, bh2);
if (ratio > 2 && !isMutableImageGraphics) {
// If the canvas is hardware accelerated, then it will rasterize the path
// first, then apply the transform which leads to blurry paths if the transform does
// significant scaling.
// In such cases, we
float strokeWidthUpperBound = ratio * stroke.getLineWidth();
int ww = Math.max(1, (int) (bounds2.width() + 2 * strokeWidthUpperBound));
int hh = Math.max(1, (int) (bounds2.height() + 2 * strokeWidthUpperBound));
Bitmap nativeBuffer = Bitmap.createBitmap(ww, hh, Bitmap.Config.ARGB_8888);
// int restorePoint = canvas.saveLayer(bounds2, paint, Canvas.ALL_SAVE_FLAG);
Canvas c = new Canvas(nativeBuffer);
Matrix translateM = new Matrix();
translateM.set(getTransformMatrix());
translateM.postTranslate(-bounds2.left + strokeWidthUpperBound, -bounds2.top + strokeWidthUpperBound);
c.concat(translateM);
c.drawPath(p, paint);
canvas.drawBitmap(nativeBuffer, bounds2.left - strokeWidthUpperBound, bounds2.top - strokeWidthUpperBound, paint);
} else {
canvas.save();
applyTransform();
canvas.drawPath(p, paint);
unapplyTransform();
canvas.restore();
}
}
setStroke(old);
}
use of com.codename1.ui.Transform in project CodenameOne by codenameone.
the class XYChart method draw.
/**
* The graphical representation of the XY chart.
*
* @param canvas the canvas to paint to
* @param x the top left x value of the view to draw to
* @param y the top left y value of the view to draw to
* @param width the width of the view to draw to
* @param height the height of the view to draw to
* @param paint the paint
*/
public void draw(Canvas canvas, int x, int y, int width, int height, Paint paint) {
paint.setAntiAlias(mRenderer.isAntialiasing());
int legendSize = getLegendSize(mRenderer, height / 5, mRenderer.getAxisTitleTextSize());
int[] margins = mRenderer.getMargins();
int left = x + margins[1] + (int) mRenderer.getAxisTitleTextSize() + (mRenderer.isShowLabels() ? (int) mRenderer.getLabelsTextSize() : 0);
int top = y + margins[0];
int right = x + width - margins[3];
int sLength = mDataset.getSeriesCount();
String[] titles = new String[sLength];
for (int i = 0; i < sLength; i++) {
titles[i] = mDataset.getSeriesAt(i).getTitle();
}
if (mRenderer.isFitLegend() && mRenderer.isShowLegend()) {
legendSize = drawLegend(canvas, mRenderer, titles, left, right, y, width, height, legendSize, paint, true);
}
int bottom = y + height - margins[2] - legendSize - (int) mRenderer.getAxisTitleTextSize() - (mRenderer.isShowLabels() ? (int) mRenderer.getLabelsTextSize() : 0);
if (mScreenR == null) {
mScreenR = new Rectangle();
}
mScreenR.setBounds(left, top, right - left, bottom - top);
drawBackground(mRenderer, canvas, x, y, width, height, paint, false, DefaultRenderer.NO_COLOR);
if (paint.getTypeface() == null || (mRenderer.getTextTypeface() != null && paint.getTypeface().equals(mRenderer.getTextTypeface())) || !paint.getTypeface().toString().equals(mRenderer.getTextTypefaceName()) || paint.getTypeface().getStyle() != mRenderer.getTextTypefaceStyle()) {
if (mRenderer.getTextTypeface() != null) {
paint.setTypeface(mRenderer.getTextTypeface());
} else {
paint.setTypeface(Font.createSystemFont(mRenderer.getTextTypefaceName(), mRenderer.getTextTypefaceStyle(), Font.SIZE_SMALL));
}
}
Orientation or = mRenderer.getOrientation();
if (or == Orientation.VERTICAL) {
right -= legendSize;
bottom += legendSize - 20;
}
int angle = or.getAngle();
boolean rotate = angle == 90;
mScale = (float) (height) / width;
mTranslate = Math.abs(width - height) / 2;
if (mScale < 1) {
mTranslate *= -1;
}
mCenter = new Point((x + width) / 2, (y + height) / 2);
if (rotate) {
transform(canvas, angle, false);
}
int maxScaleNumber = -Integer.MAX_VALUE;
for (int i = 0; i < sLength; i++) {
maxScaleNumber = Math.max(maxScaleNumber, mDataset.getSeriesAt(i).getScaleNumber());
}
maxScaleNumber++;
if (maxScaleNumber < 0) {
return;
}
double[] minX = new double[maxScaleNumber];
double[] maxX = new double[maxScaleNumber];
double[] minY = new double[maxScaleNumber];
double[] maxY = new double[maxScaleNumber];
boolean[] isMinXSet = new boolean[maxScaleNumber];
boolean[] isMaxXSet = new boolean[maxScaleNumber];
boolean[] isMinYSet = new boolean[maxScaleNumber];
boolean[] isMaxYSet = new boolean[maxScaleNumber];
for (int i = 0; i < maxScaleNumber; i++) {
minX[i] = mRenderer.getXAxisMin(i);
maxX[i] = mRenderer.getXAxisMax(i);
minY[i] = mRenderer.getYAxisMin(i);
maxY[i] = mRenderer.getYAxisMax(i);
isMinXSet[i] = mRenderer.isMinXSet(i);
isMaxXSet[i] = mRenderer.isMaxXSet(i);
isMinYSet[i] = mRenderer.isMinYSet(i);
isMaxYSet[i] = mRenderer.isMaxYSet(i);
if (mCalcRange.get(i) == null) {
mCalcRange.put(i, new double[4]);
}
}
double[] xPixelsPerUnit = new double[maxScaleNumber];
double[] yPixelsPerUnit = new double[maxScaleNumber];
for (int i = 0; i < sLength; i++) {
XYSeries series = mDataset.getSeriesAt(i);
int scale = series.getScaleNumber();
if (series.getItemCount() == 0) {
continue;
}
if (!isMinXSet[scale]) {
double minimumX = series.getMinX();
if (minimumX != MathHelper.NULL_VALUE) {
minX[scale] = minX[scale] == MathHelper.NULL_VALUE ? minimumX : Math.min(minX[scale], minimumX);
mCalcRange.get(scale)[0] = minX[scale];
} else {
minX[scale] = 0;
mCalcRange.get(scale)[0] = 0;
}
}
if (!isMaxXSet[scale]) {
double maximumX = series.getMaxX();
if (maximumX != MathHelper.NULL_VALUE) {
maxX[scale] = maxX[scale] == MathHelper.NULL_VALUE ? maximumX : Math.max(maxX[scale], maximumX);
mCalcRange.get(scale)[1] = maxX[scale];
} else {
maxX[scale] = minX[scale] + 1;
mCalcRange.get(scale)[1] = maxX[scale];
}
}
if (!isMinYSet[scale]) {
double minimumY = series.getMinY();
if (minimumY != MathHelper.NULL_VALUE) {
minY[scale] = minY[scale] == MathHelper.NULL_VALUE ? minimumY : Math.min(minY[scale], (float) minimumY);
mCalcRange.get(scale)[2] = minY[scale];
} else {
minY[scale] = 0;
mCalcRange.get(scale)[2] = 0;
}
}
if (!isMaxYSet[scale]) {
double maximumY = series.getMaxY();
if (maximumY != MathHelper.NULL_VALUE) {
maxY[scale] = maxY[scale] == MathHelper.NULL_VALUE ? maximumY : Math.max(maxY[scale], (float) maximumY);
mCalcRange.get(scale)[3] = maxY[scale];
} else {
maxY[scale] = minY[scale] + 1;
mCalcRange.get(scale)[3] = maxY[scale];
}
}
}
for (int i = 0; i < maxScaleNumber; i++) {
if (maxX[i] - minX[i] != 0) {
xPixelsPerUnit[i] = (right - left) / (maxX[i] - minX[i]);
}
if (maxY[i] - minY[i] != 0) {
yPixelsPerUnit[i] = (float) ((bottom - top) / (maxY[i] - minY[i]));
}
// the X axis on multiple scales was wrong without this fix
if (i > 0) {
xPixelsPerUnit[i] = xPixelsPerUnit[0];
minX[i] = minX[0];
maxX[i] = maxX[0];
}
}
boolean hasValues = false;
// use a linked list for these reasons:
// 1) Avoid a large contiguous memory allocation
// 2) We don't need random seeking, only sequential reading/writing, so
// linked list makes sense
clickableAreas = new HashMap<Integer, List<ClickableArea>>();
for (int i = 0; i < sLength; i++) {
XYSeries series = mDataset.getSeriesAt(i);
int scale = series.getScaleNumber();
if (series.getItemCount() == 0) {
continue;
}
hasValues = true;
XYSeriesRenderer seriesRenderer = (XYSeriesRenderer) mRenderer.getSeriesRendererAt(i);
// int originalValuesLength = series.getItemCount();
// int valuesLength = originalValuesLength;
// int length = valuesLength * 2;
List<Float> points = new ArrayList<Float>();
List<Double> values = new ArrayList<Double>();
float yAxisValue = Math.min(bottom, (float) (bottom + yPixelsPerUnit[scale] * minY[scale]));
LinkedList<ClickableArea> clickableArea = new LinkedList<ClickableArea>();
clickableAreas.put(i, clickableArea);
synchronized (series) {
SortedMap<Double, Double> range = series.getRange(minX[scale], maxX[scale], seriesRenderer.isDisplayBoundingPoints());
int startIndex = -1;
for (Double value : range.keySet()) {
double xValue = value;
Double rValue = range.get(value);
double yValue = rValue.doubleValue();
if (startIndex < 0 && (!isNullValue(yValue) || isRenderNullValues())) {
startIndex = series.getIndexForKey(xValue);
}
// points.add((float) (left + xPixelsPerUnit[scale]
// * (value.getKey().floatValue() - minX[scale])));
// points.add((float) (bottom - yPixelsPerUnit[scale]
// * (value.getValue().floatValue() - minY[scale])));
values.add(value);
values.add(rValue);
if (!isNullValue(yValue)) {
points.add((float) (left + xPixelsPerUnit[scale] * (xValue - minX[scale])));
points.add((float) (bottom - yPixelsPerUnit[scale] * (yValue - minY[scale])));
} else if (isRenderNullValues()) {
points.add((float) (left + xPixelsPerUnit[scale] * (xValue - minX[scale])));
points.add((float) (bottom - yPixelsPerUnit[scale] * (-minY[scale])));
} else {
if (points.size() > 0) {
drawSeries(series, canvas, paint, points, seriesRenderer, yAxisValue, i, or, startIndex);
ClickableArea[] clickableAreasForSubSeries = clickableAreasForPoints(points, values, yAxisValue, i, startIndex);
clickableArea.addAll(Arrays.asList(clickableAreasForSubSeries));
points.clear();
values.clear();
startIndex = -1;
}
clickableArea.add(null);
}
}
int count = series.getAnnotationCount();
if (count > 0) {
paint.setColor(seriesRenderer.getAnnotationsColor());
paint.setTextSize(seriesRenderer.getAnnotationsTextSize());
paint.setTextAlign(seriesRenderer.getAnnotationsTextAlign());
Rectangle2D bound = new Rectangle2D();
for (int j = 0; j < count; j++) {
float xS = (float) (left + xPixelsPerUnit[scale] * (series.getAnnotationX(j) - minX[scale]));
float yS = (float) (bottom - yPixelsPerUnit[scale] * (series.getAnnotationY(j) - minY[scale]));
paint.getTextBounds(series.getAnnotationAt(j), 0, series.getAnnotationAt(j).length(), bound);
if (xS < (xS + bound.getWidth()) && yS < canvas.getHeight()) {
drawString(canvas, series.getAnnotationAt(j), xS, yS, paint);
}
}
}
if (points.size() > 0) {
drawSeries(series, canvas, paint, points, seriesRenderer, yAxisValue, i, or, startIndex);
ClickableArea[] clickableAreasForSubSeries = clickableAreasForPoints(points, values, yAxisValue, i, startIndex);
clickableArea.addAll(Arrays.asList(clickableAreasForSubSeries));
}
}
}
// draw stuff over the margins such as data doesn't render on these areas
drawBackground(mRenderer, canvas, x, bottom, width, height - bottom, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, x, y, width, margins[0], paint, true, mRenderer.getMarginsColor());
if (or == Orientation.HORIZONTAL) {
drawBackground(mRenderer, canvas, x, y, left - x, height - y, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, right, y, margins[3], height - y, paint, true, mRenderer.getMarginsColor());
} else if (or == Orientation.VERTICAL) {
drawBackground(mRenderer, canvas, right, y, width - right, height - y, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, x, y, left - x, height - y, paint, true, mRenderer.getMarginsColor());
}
boolean showLabels = mRenderer.isShowLabels() && hasValues;
boolean showGridX = mRenderer.isShowGridX();
boolean showTickMarks = mRenderer.isShowTickMarks();
// boolean showCustomTextGridX = mRenderer.isShowCustomTextGridX();
boolean showCustomTextGridY = mRenderer.isShowCustomTextGridY();
if (showLabels || showGridX) {
List<Double> xLabels = getValidLabels(getXLabels(minX[0], maxX[0], mRenderer.getXLabels()));
Map<Integer, List<Double>> allYLabels = getYLabels(minY, maxY, maxScaleNumber);
int xLabelsLeft = left;
if (showLabels) {
paint.setColor(mRenderer.getXLabelsColor());
paint.setTextSize(mRenderer.getLabelsTextSize());
paint.setTextAlign(mRenderer.getXLabelsAlign());
// if (mRenderer.getXLabelsAlign() == Align.LEFT) {
// xLabelsLeft += mRenderer.getLabelsTextSize() / 4;
// }
}
drawXLabels(xLabels, mRenderer.getXTextLabelLocations(), canvas, paint, xLabelsLeft, top, bottom, xPixelsPerUnit[0], minX[0], maxX[0]);
drawYLabels(allYLabels, canvas, paint, maxScaleNumber, left, right, bottom, yPixelsPerUnit, minY);
if (showLabels) {
paint.setColor(mRenderer.getLabelsColor());
for (int i = 0; i < maxScaleNumber; i++) {
int axisAlign = mRenderer.getYAxisAlign(i);
Double[] yTextLabelLocations = mRenderer.getYTextLabelLocations(i);
for (Double location : yTextLabelLocations) {
if (minY[i] <= location && location <= maxY[i]) {
float yLabel = (float) (bottom - yPixelsPerUnit[i] * (location.doubleValue() - minY[i]));
String label = mRenderer.getYTextLabel(location, i);
paint.setColor(mRenderer.getYLabelsColor(i));
paint.setTextAlign(mRenderer.getYLabelsAlign(i));
if (or == Orientation.HORIZONTAL) {
if (axisAlign == Align.LEFT) {
if (showTickMarks) {
canvas.drawLine(left + getLabelLinePos(axisAlign), yLabel, left, yLabel, paint);
}
drawText(canvas, label, left - mRenderer.getYLabelsPadding(), yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
} else {
if (showTickMarks) {
canvas.drawLine(right, yLabel, right + getLabelLinePos(axisAlign), yLabel, paint);
}
drawText(canvas, label, right - mRenderer.getYLabelsPadding(), yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
}
if (showCustomTextGridY) {
paint.setColor(mRenderer.getGridColor(i));
canvas.drawLine(left, yLabel, right, yLabel, paint);
}
} else {
if (showTickMarks) {
canvas.drawLine(right - getLabelLinePos(axisAlign), yLabel, right, yLabel, paint);
}
drawText(canvas, label, right + 10, yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
if (showCustomTextGridY) {
paint.setColor(mRenderer.getGridColor(i));
canvas.drawLine(right, yLabel, left, yLabel, paint);
}
}
}
}
}
}
if (showLabels) {
paint.setColor(mRenderer.getLabelsColor());
float size = mRenderer.getAxisTitleTextSize();
paint.setTextSize(size);
paint.setTextAlign(Align.CENTER);
if (or == Orientation.HORIZONTAL) {
drawText(canvas, mRenderer.getXTitle(), x + width / 2, bottom + mRenderer.getLabelsTextSize() * 4 / 3 + mRenderer.getXLabelsPadding() + size, paint, 0);
for (int i = 0; i < maxScaleNumber; i++) {
int axisAlign = mRenderer.getYAxisAlign(i);
if (axisAlign == Align.LEFT) {
drawText(canvas, mRenderer.getYTitle(i), x + size, y + height / 2, paint, -90);
} else {
drawText(canvas, mRenderer.getYTitle(i), x + width, y + height / 2, paint, -90);
}
}
paint.setTextSize(mRenderer.getChartTitleTextSize());
drawText(canvas, mRenderer.getChartTitle(), x + width / 2, y + mRenderer.getChartTitleTextSize(), paint, 0);
} else if (or == Orientation.VERTICAL) {
drawText(canvas, mRenderer.getXTitle(), x + width / 2, y + height - size + mRenderer.getXLabelsPadding(), paint, -90);
drawText(canvas, mRenderer.getYTitle(), right + 20, y + height / 2, paint, 0);
paint.setTextSize(mRenderer.getChartTitleTextSize());
drawText(canvas, mRenderer.getChartTitle(), x + size, top + height / 2, paint, 0);
}
}
}
if (or == Orientation.HORIZONTAL) {
drawLegend(canvas, mRenderer, titles, left, right, y + (int) mRenderer.getXLabelsPadding(), width, height, legendSize, paint, false);
} else if (or == Orientation.VERTICAL) {
transform(canvas, angle, true);
drawLegend(canvas, mRenderer, titles, left, right, y + (int) mRenderer.getXLabelsPadding(), width, height, legendSize, paint, false);
transform(canvas, angle, false);
}
if (mRenderer.isShowAxes()) {
paint.setColor(mRenderer.getXAxisColor());
canvas.drawLine(left, bottom, right, bottom, paint);
paint.setColor(mRenderer.getYAxisColor());
boolean rightAxis = false;
for (int i = 0; i < maxScaleNumber && !rightAxis; i++) {
rightAxis = mRenderer.getYAxisAlign(i) == Align.RIGHT;
}
if (or == Orientation.HORIZONTAL) {
canvas.drawLine(left, top, left, bottom, paint);
if (rightAxis) {
canvas.drawLine(right, top, right, bottom, paint);
}
} else if (or == Orientation.VERTICAL) {
canvas.drawLine(right, top, right, bottom, paint);
}
}
if (rotate) {
transform(canvas, angle, true);
}
}
use of com.codename1.ui.Transform in project CodenameOne by codenameone.
the class ChartComponent method screenToChartCoord.
/**
* Converts screen coordinates to chart coordinates.
* @param x screen x position
* @param y screen y position
* @return The chart coordinate corresponding to the given screen coordinate.
*/
public Point screenToChartCoord(int x, int y) {
if (currentTransform != null) {
Transform inverse = currentTransform.getInverse();
float[] pt = inverse.transformPoint(new float[] { x, y, 0 });
x = (int) pt[0];
y = (int) pt[1];
}
return new Point(x - getAbsoluteX(), y - getAbsoluteY());
}
use of com.codename1.ui.Transform in project CodenameOne by codenameone.
the class Canvas method rotate.
public void rotate(float angle, float x, float y) {
// Log.p("Rotating by angle "+angle);
Transform t = g.getTransform();
t.rotate((float) (angle * Math.PI / 180.0), x + absoluteX - bounds.getX(), y + absoluteY - bounds.getY());
g.setTransform(t);
}
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