skia2/bench/DrawLatticeBench.cpp
msarett c573a40ed5 Add drawImageLattice() and drawBitmapLattice() APIs
The specified image/bitmap is divided into rects, which
can be draw stretched, shrunk, or at a fixed size.  Will be
used by Android to draw 9patch (which are acutally N-patch)
images.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1992283002

Review-Url: https://codereview.chromium.org/1992283002
2016-08-02 08:05:56 -07:00

60 lines
1.6 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkRect.h"
#include "SkString.h"
class DrawLatticeBench : public Benchmark {
public:
DrawLatticeBench(int* xDivs, int xCount, int* yDivs, int yCount, const SkISize& srcSize,
const SkRect& dst, const char* desc)
: fSrcSize(srcSize)
, fDst(dst)
{
fLattice.fXDivs = xDivs;
fLattice.fXCount = xCount;
fLattice.fYDivs = yDivs;
fLattice.fYCount = yCount;
fName = SkStringPrintf("DrawLattice_%s", desc);
}
const char* onGetName() override {
return fName.c_str();
}
bool isSuitableFor(Backend backend) override {
return kRaster_Backend == backend || kGPU_Backend == backend;
}
void onDelayedSetup() override {
fBitmap.allocN32Pixels(fSrcSize.width(), fSrcSize.height());
fBitmap.eraseColor(0x880000FF);
}
void onDraw(int loops, SkCanvas* canvas) override {
for (int i = 0; i < loops; i++) {
canvas->drawBitmapLattice(fBitmap, fLattice, fDst);
}
}
private:
SkISize fSrcSize;
SkCanvas::Lattice fLattice;
SkRect fDst;
SkString fName;
SkBitmap fBitmap;
typedef Benchmark INHERITED;
};
static int gDivs[2] = { 250, 750, };
DEF_BENCH(return new DrawLatticeBench(gDivs, 2, gDivs, 2, SkISize::Make(1000, 1000),
SkRect::MakeWH(4000.0f, 4000.0f), "StandardNine");)