Merge "Compute text bounds on a per glyph basis when drawing from an SkPicture." into nyc-dev

        tests/unit/FrameBuilderTests.cpp \

        tests/unit/LeakCheckTests.cpp \

        tests/unit/OpDumperTests.cpp \

        tests/unit/RecordingCanvasTests.cpp

        tests/unit/RecordingCanvasTests.cpp \

        tests/unit/SkiaCanvasTests.cpp

endif

include $(LOCAL_PATH)/hwui_static_deps.mk

        posArray = pointStorage.get();

    }

    // compute conservative bounds

    // NOTE: We could call the faster paint.getFontBounds for a less accurate,

    //       but even more conservative bounds if this  is too slow.

    // Compute conservative bounds.  If the content has already been processed

    // by Minikin then it had already computed these bounds.  Unfortunately,

    // there is no way to capture those bounds as part of the Skia drawPosText

    // API so we need to do that computation again here.

    SkRect bounds;

    glyphs.paint.measureText(glyphs.glyphIDs, glyphs.count << 1, &bounds);

    bounds.offset(x, y);

    for (int i = 0; i < glyphs.count; i++) {

        SkRect glyphBounds;

        glyphs.paint.measureText(&glyphs.glyphIDs[i], sizeof(uint16_t), &glyphBounds);

        glyphBounds.offset(pos[i].fX, pos[i].fY);

        bounds.join(glyphBounds);

    }

    static_assert(sizeof(SkPoint) == sizeof(float)*2, "SkPoint is no longer two floats");

    mCanvas->drawGlyphs(glyphs.glyphIDs, &posArray[0].fX, glyphs.count, glyphs.paint, x, y,

/*

 * Copyright (C) 2016 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.

 */

#include "tests/common/TestUtils.h"

#include <gtest/gtest.h>

#include <RecordingCanvas.h>

#include <SkPicture.h>

#include <SkPictureRecorder.h>

using namespace android;

using namespace android::uirenderer;

/**

 * Verify that we get the same culling bounds for text for (1) drawing glyphs

 * directly to a Canvas or (2) going through a SkPicture as an intermediate step.

 */

TEST(SkiaCanvasProxy, drawGlyphsViaPicture) {

    auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {

        // setup test variables

        SkPaint paint;

        paint.setAntiAlias(true);

        paint.setTextSize(20);

        static const char* text = "testing text bounds";

        // draw text directly into Recording canvas

        TestUtils::drawUtf8ToCanvas(&canvas, text, paint, 25, 25);

        // record the same text draw into a SkPicture and replay it into a Recording canvas

        SkPictureRecorder recorder;

        SkCanvas* skCanvas = recorder.beginRecording(200, 200, NULL, 0);

        std::unique_ptr<Canvas> pictCanvas(Canvas::create_canvas(skCanvas));

        TestUtils::drawUtf8ToCanvas(pictCanvas.get(), text, paint, 25, 25);

        SkAutoTUnref<const SkPicture> picture(recorder.endRecording());

        canvas.asSkCanvas()->drawPicture(picture);

    });

    // verify that the text bounds and matrices match

    ASSERT_EQ(2U, dl->getOps().size());

    auto directOp = dl->getOps()[0];

    auto pictureOp = dl->getOps()[1];

    ASSERT_EQ(RecordedOpId::TextOp, directOp->opId);

    EXPECT_EQ(directOp->opId, pictureOp->opId);

    EXPECT_EQ(directOp->unmappedBounds, pictureOp->unmappedBounds);

    EXPECT_EQ(directOp->localMatrix, pictureOp->localMatrix);

}