diff options
Diffstat (limited to 'android/src/com/artifex/mupdfdemo/PageView.java')
| -rw-r--r-- | android/src/com/artifex/mupdfdemo/PageView.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/android/src/com/artifex/mupdfdemo/PageView.java b/android/src/com/artifex/mupdfdemo/PageView.java index 3eb1e5a3..756ee2f5 100644 --- a/android/src/com/artifex/mupdfdemo/PageView.java +++ b/android/src/com/artifex/mupdfdemo/PageView.java @@ -7,6 +7,7 @@ import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; +import android.graphics.Path; import android.graphics.Point; import android.graphics.PointF; import android.graphics.Rect; @@ -102,6 +103,8 @@ public abstract class PageView extends ViewGroup { private static final int HIGHLIGHT_COLOR = 0x802572AC; private static final int LINK_COLOR = 0x80AC7225; private static final int BOX_COLOR = 0xFF4444FF; + private static final int INK_COLOR = 0xFFFF0000; + private static final float INK_THICKNESS = 10.0f; private static final int BACKGROUND_COLOR = 0xFFFFFFFF; private static final int PROGRESS_DIALOG_DELAY = 200; protected final Context mContext; @@ -126,6 +129,7 @@ public abstract class PageView extends ViewGroup { private RectF mSelectBox; private TextWord mText[][]; private RectF mItemSelectBox; + protected ArrayList<ArrayList<PointF>> mDrawing; private View mSearchView; private boolean mIsBlank; private boolean mHighlightLinks; @@ -346,6 +350,28 @@ public abstract class PageView extends ViewGroup { paint.setColor(BOX_COLOR); canvas.drawRect(mItemSelectBox.left*scale, mItemSelectBox.top*scale, mItemSelectBox.right*scale, mItemSelectBox.bottom*scale, paint); } + + if (mDrawing != null) { + Path path = new Path(); + PointF p; + Iterator<ArrayList<PointF>> it = mDrawing.iterator(); + while (it.hasNext()) { + ArrayList<PointF> arc = it.next(); + if (arc.size() >= 2) { + Iterator<PointF> iit = arc.iterator(); + p = iit.next(); + path.moveTo(p.x*scale, p.y*scale); + while (iit.hasNext()) { + p = iit.next(); + path.lineTo(p.x*scale, p.y*scale); + } + } + } + paint.setStyle(Paint.Style.STROKE); + paint.setStrokeWidth(INK_THICKNESS*scale); + paint.setColor(INK_COLOR); + canvas.drawPath(path, paint); + } } }; @@ -402,6 +428,49 @@ public abstract class PageView extends ViewGroup { } } + public void startDraw(float x, float y) { + float scale = mSourceScale*(float)getWidth()/(float)mSize.x; + float docRelX = (x - getLeft())/scale; + float docRelY = (y - getTop())/scale; + if (mDrawing == null) + mDrawing = new ArrayList<ArrayList<PointF>>(); + + ArrayList<PointF> arc = new ArrayList<PointF>(); + arc.add(new PointF(docRelX, docRelY)); + mDrawing.add(arc); + } + + public void continueDraw(float x, float y) { + float scale = mSourceScale*(float)getWidth()/(float)mSize.x; + float docRelX = (x - getLeft())/scale; + float docRelY = (y - getTop())/scale; + + if (mDrawing != null && mDrawing.size() > 0) { + ArrayList<PointF> arc = mDrawing.get(mDrawing.size() - 1); + arc.add(new PointF(docRelX, docRelY)); + mSearchView.invalidate(); + } + } + + public void cancelDraw() { + mDrawing = null; + mSearchView.invalidate(); + } + + protected PointF[][] getDraw() { + if (mDrawing == null) + return null; + + PointF[][] path = new PointF[mDrawing.size()][]; + + for (int i = 0; i < mDrawing.size(); i++) { + ArrayList<PointF> arc = mDrawing.get(i); + path[i] = arc.toArray(new PointF[arc.size()]); + } + + return path; + } + protected void processSelectedText(TextProcessor tp) { (new TextSelector(mText, mSelectBox)).select(tp); } |