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Diffstat (limited to 'WebCore/platform/android/nav/SelectText.cpp')
| -rw-r--r-- | WebCore/platform/android/nav/SelectText.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/WebCore/platform/android/nav/SelectText.cpp b/WebCore/platform/android/nav/SelectText.cpp deleted file mode 100644 index e84d2dc..0000000 --- a/WebCore/platform/android/nav/SelectText.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Copyright 2008, The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "webcoreglue" - -#include <config.h> -#include "CachedDebug.h" -#include "SelectText.h" -#include "SkBitmap.h" -#include "SkBounder.h" -#include "SkCanvas.h" -#include "SkMatrix.h" -#include "SkPicture.h" -#include "SkPoint.h" -#include "SkRect.h" -#include "SkRegion.h" - -#ifdef LOG -#undef LOG -#endif - -#include <utils/Log.h> - -class CommonCheck : public SkBounder { -public: - CommonCheck() : mMatrix(NULL), mPaint(NULL) {} - - virtual void setUp(const SkPaint& paint, const SkMatrix& matrix, SkScalar y) { - mMatrix = &matrix; - mPaint = &paint; - mY = y; - mTop = INT_MAX; - mBottom = INT_MAX; - } - - int top() { - if (mTop == INT_MAX) { - SkPoint result; - SkPaint::FontMetrics metrics; - mPaint->getFontMetrics(&metrics); - mMatrix->mapXY(0, metrics.fAscent + mY, &result); - mTop = SkScalarFloor(result.fY); - DBG_NAV_LOGD("mMatrix:(%d, %d) mTop=%g", - mMatrix->getTranslateX(), mMatrix->getTranslateY(), mTop); - } - return mTop; - } - - int bottom() { - if (mBottom == INT_MAX) { - SkPoint result; - SkPaint::FontMetrics metrics; - mPaint->getFontMetrics(&metrics); - mMatrix->mapXY(0, metrics.fDescent + mY, &result); - mBottom = SkScalarCeil(result.fY); - } - return mBottom; - } - -protected: - const SkMatrix* mMatrix; - const SkPaint* mPaint; - int mBottom; - int mTop; - SkScalar mY; -}; - -class FirstCheck : public CommonCheck { -public: - FirstCheck(int x, int y) - : mDistance(INT_MAX), mFocusX(x), mFocusY(y) { - mBestBounds.setEmpty(); - } - - const SkIRect& bestBounds() { - DBG_NAV_LOGD("mBestBounds:(%d, %d, %d, %d) mTop=%g mBottom=%g", - mBestBounds.fLeft, mBestBounds.fTop, mBestBounds.fRight, - mBestBounds.fBottom, SkScalarToFloat(mTop), SkScalarToFloat(mBottom)); - return mBestBounds; - } - - void offsetBounds(int dx, int dy) { - mBestBounds.offset(dx, dy); - } - - virtual bool onIRect(const SkIRect& rect) { - if (mBestBounds.isEmpty()) { - mBestBounds.set(rect.fLeft, top(), rect.fRight, bottom()); - } else { - int dx = ((rect.fLeft + rect.fRight) >> 1) - mFocusX; - int dy = SkScalarRound(((top() + bottom()) / 2)) - mFocusY; - int distance = dx * dx + dy * dy; - if (mDistance > distance) { - mDistance = distance; - mBestBounds.set(rect.fLeft, top(), rect.fRight, bottom()); - } - } - return false; - } -protected: - SkIRect mBestBounds; - int mDistance; - int mFocusX; - int mFocusY; -}; - -class MultilineBuilder : public CommonCheck { -public: - MultilineBuilder(const SkIRect& start, const SkIRect& end, int dx, int dy, - SkRegion* region) - : mStart(start), mEnd(end), mSelectRegion(region), mCapture(false) { - mLast.setEmpty(); - mStart.offset(-dx, -dy); - mEnd.offset(-dx, -dy); - } - - virtual bool onIRect(const SkIRect& rect) { - bool captureLast = false; - if ((rect.fLeft == mStart.fLeft && rect.fRight == mStart.fRight && - top() == mStart.fTop && bottom() == mStart.fBottom) || - (rect.fLeft == mEnd.fLeft && rect.fRight == mEnd.fRight && - top() == mEnd.fTop && bottom() == mEnd.fBottom)) { - captureLast = mCapture; - mCapture ^= true; - } - if (mCapture || captureLast) { - SkIRect full; - full.set(rect.fLeft, top(), rect.fRight, bottom()); - if (mLast.fTop < full.fBottom && mLast.fBottom > full.fTop) { - if (full.fLeft > mLast.fRight) - full.fLeft = mLast.fRight; - else if (full.fRight < mLast.fLeft) - full.fRight = mLast.fLeft; - } - mSelectRegion->op(full, SkRegion::kUnion_Op); - mLast = full; - if (mStart == mEnd) - mCapture = false; - } - return false; - } -protected: - SkIRect mStart; - SkIRect mEnd; - SkIRect mLast; - SkRegion* mSelectRegion; - bool mCapture; -}; - -class TextCanvas : public SkCanvas { -public: - - TextCanvas(CommonCheck* bounder, const SkPicture& picture, const SkIRect& area) - : mBounder(*bounder) { - setBounder(bounder); - SkBitmap bitmap; - bitmap.setConfig(SkBitmap::kARGB_8888_Config, area.width(), - area.height()); - setBitmapDevice(bitmap); - translate(SkIntToScalar(-area.fLeft), SkIntToScalar(-area.fTop)); - } - - virtual ~TextCanvas() { - setBounder(NULL); - } - - virtual void drawPaint(const SkPaint& paint) { - } - - virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], - const SkPaint& paint) { - } - - virtual void drawRect(const SkRect& rect, const SkPaint& paint) { - } - - virtual void drawPath(const SkPath& path, const SkPaint& paint) { - } - - virtual void commonDrawBitmap(const SkBitmap& bitmap, - const SkMatrix& matrix, const SkPaint& paint) { - } - - virtual void drawSprite(const SkBitmap& bitmap, int left, int top, - const SkPaint* paint = NULL) { - } - - virtual void drawText(const void* text, size_t byteLength, SkScalar x, - SkScalar y, const SkPaint& paint) { - mBounder.setUp(paint, getTotalMatrix(), y); - SkCanvas::drawText(text, byteLength, x, y, paint); - } - - virtual void drawPosTextH(const void* text, size_t byteLength, - const SkScalar xpos[], SkScalar constY, - const SkPaint& paint) { - mBounder.setUp(paint, getTotalMatrix(), constY); - SkCanvas::drawPosTextH(text, byteLength, xpos, constY, paint); - } - - virtual void drawVertices(VertexMode vmode, int vertexCount, - const SkPoint vertices[], const SkPoint texs[], - const SkColor colors[], SkXfermode* xmode, - const uint16_t indices[], int indexCount, - const SkPaint& paint) { - } - - CommonCheck& mBounder; -}; - -void CopyPaste::buildSelection(const SkPicture& picture, const SkIRect& area, - const SkIRect& selStart, const SkIRect& selEnd, SkRegion* region) { - DBG_NAV_LOGD("area=(%d, %d, %d, %d) selStart=(%d, %d, %d, %d)" - " selEnd=(%d, %d, %d, %d)", - area.fLeft, area.fTop, area.fRight, area.fBottom, - selStart.fLeft, selStart.fTop, selStart.fRight, selStart.fBottom, - selEnd.fLeft, selEnd.fTop, selEnd.fRight, selEnd.fBottom); - MultilineBuilder builder(selStart, selEnd, area.fLeft, area.fTop, region); - TextCanvas checker(&builder, picture, area); - checker.drawPicture(const_cast<SkPicture&>(picture)); - region->translate(area.fLeft, area.fTop); -} - -SkIRect CopyPaste::findClosest(const SkPicture& picture, const SkIRect& area, - int x, int y) { - FirstCheck _check(x - area.fLeft, y - area.fTop); - DBG_NAV_LOGD("area=(%d, %d, %d, %d) x=%d y=%d", area.fLeft, area.fTop, - area.fRight, area.fBottom, x, y); - TextCanvas checker(&_check, picture, area); - checker.drawPicture(const_cast<SkPicture&>(picture)); - _check.offsetBounds(area.fLeft, area.fTop); - return _check.bestBounds(); -} |