1/*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SKPAnimationBench.h"
9#include "SkCommandLineFlags.h"
10#include "SkMultiPictureDraw.h"
11#include "SkSurface.h"
12
13SKPAnimationBench::SKPAnimationBench(const char* name, const SkPicture* pic,
14                                     const SkIRect& clip, SkMatrix animationMatrix, int steps)
15    : INHERITED(name, pic, clip, 1.0, false)
16    , fSteps(steps)
17    , fAnimationMatrix(animationMatrix)
18    , fName(name) {
19    fUniqueName.printf("%s_animation", name);
20}
21
22const char* SKPAnimationBench::onGetName() {
23    return fName.c_str();
24}
25
26const char* SKPAnimationBench::onGetUniqueName() {
27    return fUniqueName.c_str();
28}
29
30void SKPAnimationBench::onPerCanvasPreDraw(SkCanvas* canvas) {
31    INHERITED::onPerCanvasPreDraw(canvas);
32    SkIRect bounds;
33    SkAssertResult(canvas->getClipDeviceBounds(&bounds));
34
35    fCenter.set((bounds.fRight - bounds.fLeft) / 2.0f,
36                (bounds.fBottom - bounds.fTop) / 2.0f);
37}
38
39void SKPAnimationBench::drawPicture() {
40    SkMatrix frameMatrix = SkMatrix::MakeTrans(-fCenter.fX, -fCenter.fY);
41    frameMatrix.postConcat(fAnimationMatrix);
42    SkMatrix reverseTranslate = SkMatrix::MakeTrans(fCenter.fX, fCenter.fY);
43    frameMatrix.postConcat(reverseTranslate);
44
45    SkMatrix currentMatrix = frameMatrix;
46    for (int i = 0; i < fSteps; i++) {
47        for (int j = 0; j < this->tileRects().count(); ++j) {
48            SkMatrix trans = SkMatrix::MakeTrans(-1.f * this->tileRects()[j].fLeft,
49                                                 -1.f * this->tileRects()[j].fTop);
50            SkMatrix tileMatrix = currentMatrix;
51            tileMatrix.postConcat(trans);
52            this->surfaces()[j]->getCanvas()->drawPicture(this->picture(), &tileMatrix, NULL);
53        }
54
55        for (int j = 0; j < this->tileRects().count(); ++j) {
56           this->surfaces()[j]->getCanvas()->flush();
57        }
58        currentMatrix.postConcat(frameMatrix);
59    }
60}
61