Example usage for android.graphics Canvas translate

Introduction

In this page you can find the example usage for android.graphics Canvas translate.

Prototype

public void translate(float dx, float dy) 

Source Link

Document

Preconcat the current matrix with the specified translation

Usage

From source file:ru.mahortov.listviewcustom.ListView.PinnedSectionListView.java

@Override
protected void dispatchDraw(@NonNull Canvas canvas) {
    super.dispatchDraw(canvas);

    if (mPinnedSection != null) {

        // prepare variables
        int pLeft = getListPaddingLeft();
        int pTop = getListPaddingTop();
        View view = mPinnedSection.view;

        // draw child
        canvas.save();/*w ww.  j  ava2s .c  om*/

        int clipHeight = view.getHeight()
                + (mShadowDrawable == null ? 0 : Math.min(mShadowHeight, mSectionsDistanceY));
        canvas.clipRect(pLeft, pTop, pLeft + view.getWidth(), pTop + clipHeight);

        canvas.translate(pLeft, pTop + mTranslateY);
        drawChild(canvas, mPinnedSection.view, getDrawingTime());

        if (mShadowDrawable != null && mSectionsDistanceY > 0) {
            mShadowDrawable.setBounds(mPinnedSection.view.getLeft(), mPinnedSection.view.getBottom(),
                    mPinnedSection.view.getRight(), mPinnedSection.view.getBottom() + mShadowHeight);
            mShadowDrawable.draw(canvas);
        }

        canvas.restore();
    }
}

---

From source file:org.chromium.chrome.browser.toolbar.ToolbarPhone.java

/**
 * Translates the canvas to ensure the specified view's coordinates are at 0, 0.
 *
 * @param from The view the canvas is currently translated to.
 * @param to The view to translate to./*from  ww  w.ja  v a2s.c o m*/
 * @param canvas The canvas to be translated.
 *
 * @throws IllegalArgumentException if {@code from} is not an ancestor of {@code to}.
 */
private static void translateCanvasToView(View from, View to, Canvas canvas) throws IllegalArgumentException {
    assert from != null;
    assert to != null;
    while (to != from) {
        canvas.translate(to.getLeft(), to.getTop());
        if (!(to.getParent() instanceof View)) {
            throw new IllegalArgumentException("View 'to' was not a desendent of 'from'.");
        }
        to = (View) to.getParent();
    }
}

---

From source file:rosmi.acagild.alarmclock.ringing.ShareFragment.java

private static void drawStamp(Context context, Bitmap bitmap, String question) {
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(bitmap, 0, 0, null);

    float opacity = 0.7f;
    int horizontalPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10,
            context.getResources().getDisplayMetrics());
    int verticalPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10,
            context.getResources().getDisplayMetrics());
    int textSize = 16; // defined in SP
    int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 16,
            context.getResources().getDisplayMetrics());

    LinearLayout layout = new LinearLayout(context);
    layout.setOrientation(LinearLayout.HORIZONTAL);
    layout.setBackgroundResource(R.drawable.rounded_corners);
    layout.getBackground().setAlpha((int) (opacity * 255));
    layout.setPadding(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);

    ImageView logo = new ImageView(context);
    logo.setImageDrawable(ContextCompat.getDrawable(context, R.mipmap.ic_launcher));
    layout.addView(logo);/*from   ww  w.  j a v  a 2s  .  c  o  m*/

    TextView textView = new TextView(context);
    textView.setVisibility(View.VISIBLE);
    if (question != null) {
        textView.setText(question);
    } else {
        textView.setText("Mimicker");
    }
    textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, textSize);
    textView.setPadding(horizontalPadding, 0, 0, 0);

    LinearLayout.LayoutParams centerInParent = new LinearLayout.LayoutParams(
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    centerInParent.gravity = Gravity.CENTER_VERTICAL;
    layout.addView(textView, centerInParent);

    layout.measure(canvas.getWidth(), height);
    layout.layout(0, 0, layout.getMeasuredWidth(), layout.getMeasuredHeight());

    canvas.translate(horizontalPadding, (float) (canvas.getHeight() * 0.8 - height));
    float scale = Math.min(1.0f, canvas.getWidth() / 1080f);
    canvas.scale(scale, scale);
    layout.draw(canvas);
}

---

From source file:com.hippo.largeimageview.LargeImageView.java

private int transformCanvas(Canvas canvas) {
    final int saved;
    switch (mOrientation) {
    case ORIENTATION_0:
        saved = 0;// www . j  av  a  2  s .  com
        break;
    case ORIENTATION_90:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(getWidth(), 0);
        canvas.rotate(90);
        break;
    case ORIENTATION_180:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(getWidth(), getHeight());
        canvas.rotate(180);
        break;
    case ORIENTATION_270:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(0, getHeight());
        canvas.rotate(-90);
        break;
    default:
        throw new IllegalStateException("Unknown orientation: " + mOrientation);
    }
    return saved;
}

---

From source file:com.appunite.scroll.ScaleImageView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    // Clips the next few drawing operations to the content area
    int clipRestoreCount = canvas.save();
    canvas.clipRect(mContentRect);/*from w ww  .  j  av  a  2s.c om*/

    if (mSrc != null) {
        getRealTranslation(mTranslation, mRealTranslation);
        canvas.translate(mRealTranslation.x, mRealTranslation.y);
        canvas.scale(mScale, mScale);
        Log.v(TAG, "scale=" + mScale + " translation=" + mTranslation.toString() + " realTranslation="
                + mRealTranslation.toString());
        mSrc.draw(canvas);
    }

    // Removes clipping rectangle
    canvas.restoreToCount(clipRestoreCount);

    drawEdgeEffectsUnclipped(canvas);

}

---

From source file:com.microsoft.mimickeralarm.ringing.ShareFragment.java

private static void drawStamp(Context context, Bitmap bitmap, String question) {
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(bitmap, 0, 0, null);

    float opacity = 0.7f;
    int horizontalPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10,
            context.getResources().getDisplayMetrics());
    int verticalPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10,
            context.getResources().getDisplayMetrics());
    int textSize = 16; // defined in SP
    int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 16,
            context.getResources().getDisplayMetrics());

    LinearLayout layout = new LinearLayout(context);
    layout.setOrientation(LinearLayout.HORIZONTAL);
    layout.setBackgroundResource(R.drawable.rounded_corners);
    layout.getBackground().setAlpha((int) (opacity * 255));
    layout.setPadding(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);

    ImageView logo = new ImageView(context);
    logo.setImageDrawable(ContextCompat.getDrawable(context, R.mipmap.ic_launcher_no_bg));
    layout.addView(logo);//  w ww  .  ja  va 2  s. com

    TextView textView = new TextView(context);
    textView.setVisibility(View.VISIBLE);
    if (question != null) {
        textView.setText(question);
    } else {
        textView.setText("Mimicker");
    }
    textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, textSize);
    textView.setPadding(horizontalPadding, 0, 0, 0);

    LinearLayout.LayoutParams centerInParent = new LinearLayout.LayoutParams(
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    centerInParent.gravity = Gravity.CENTER_VERTICAL;
    layout.addView(textView, centerInParent);

    layout.measure(canvas.getWidth(), height);
    layout.layout(0, 0, layout.getMeasuredWidth(), layout.getMeasuredHeight());

    canvas.translate(horizontalPadding, (float) (canvas.getHeight() * 0.8 - height));
    float scale = Math.min(1.0f, canvas.getWidth() / 1080f);
    canvas.scale(scale, scale);
    layout.draw(canvas);
}

---

From source file:android.widget.PinnedHeaderListView.java

private void drawHeader(final Canvas canvas, final PinnedHeader header, final long currentTime) {
    if (header.animating) {
        final int timeLeft = (int) (header.targetTime - currentTime);
        if (timeLeft <= 0) {
            header.y = header.targetY;/*  www. j a v a2s. c o m*/
            header.visible = header.targetVisible;
            header.animating = false;
        } else
            header.y = header.targetY + (header.sourceY - header.targetY) * timeLeft / mAnimationDuration;
    }
    if (header.visible) {
        final View view = header.view;
        final int saveCount = canvas.save();
        final int translateX = ViewUtil.isViewLayoutRtl(this)
                ? getWidth() - mHeaderPaddingStart - view.getWidth()
                : mHeaderPaddingStart;
        canvas.translate(translateX, header.y);
        if (header.state == FADING) {
            mBounds.set(0, 0, view.getWidth(), view.getHeight());
            canvas.saveLayerAlpha(mBounds, header.alpha, Canvas.ALL_SAVE_FLAG);
        }
        view.draw(canvas);
        canvas.restoreToCount(saveCount);
    }
}

---

From source file:com.miuhouse.yourcompany.student.view.widget.date.datepicker.SimpleMonthView.java

@Override
protected void onDraw(Canvas canvas) {
    Log.i("TAG", "onDraw");
    if (Config.DEBUG) {
        Log.i(TAG, "onDraw(Canvas)");
    }// w w  w  .j av  a  2s  .  co m

    final int paddingLeft = getPaddingLeft();
    final int paddingTop = getPaddingTop();
    canvas.translate(paddingLeft, paddingTop);

    //        drawMonth(canvas);
    drawDaysOfWeek(canvas);
    drawDays(canvas);

    canvas.translate(-paddingLeft, -paddingTop);
}

---

From source file:com.example.view.wheel.WheelView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (itemsLayout == null) {
        if (itemsWidth == 0) {
            calculateLayoutWidth(getWidth(), MeasureSpec.EXACTLY);
        } else {/*  ww  w . j  a  v  a 2s  .c o  m*/
            createLayouts(itemsWidth, labelWidth);
        }
    }

    if (itemsWidth > 0) {
        canvas.save();
        // Skip padding space and hide a part of top and bottom items
        canvas.translate(PADDING, -ITEM_OFFSET);
        drawItems(canvas);
        drawValue(canvas);
        canvas.restore();
    }

    drawCenterRect(canvas);
    //   drawShadows(canvas);
}

---

From source file:com.android.launcher3.BubbleTextView.java

@Override
public void draw(Canvas canvas) {
    if (!mCustomShadowsEnabled) {
        super.draw(canvas);
        return;/*ww w.  j ava2s  .  c o m*/
    }

    final Drawable background = mBackground;
    if (background != null) {
        final int scrollX = getScrollX();
        final int scrollY = getScrollY();

        if (mBackgroundSizeChanged) {
            background.setBounds(0, 0, getRight() - getLeft(), getBottom() - getTop());
            mBackgroundSizeChanged = false;
        }

        if ((scrollX | scrollY) == 0) {
            background.draw(canvas);
        } else {
            canvas.translate(scrollX, scrollY);
            background.draw(canvas);
            canvas.translate(-scrollX, -scrollY);
        }
    }

    // If text is transparent, don't draw any shadow
    if (getCurrentTextColor() == ContextCompat.getColor(getContext(), android.R.color.transparent)) {
        getPaint().clearShadowLayer();
        super.draw(canvas);
        return;
    }

    // We enhance the shadow by drawing the shadow twice
    float density = getResources().getDisplayMetrics().density;
    getPaint().setShadowLayer(density * AMBIENT_SHADOW_RADIUS, 0, 0, AMBIENT_SHADOW_COLOR);
    super.draw(canvas);
    canvas.save(Canvas.CLIP_SAVE_FLAG);
    canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(), getScrollX() + getWidth(),
            getScrollY() + getHeight(), Region.Op.INTERSECT);
    getPaint().setShadowLayer(density * KEY_SHADOW_RADIUS, 0.0f, density * KEY_SHADOW_OFFSET, KEY_SHADOW_COLOR);
    super.draw(canvas);
    canvas.restore();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• »