AuroraMiddleware/skia2
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add test for drawPosText, to measure any difference it introduces given that

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it has to transform each char's position (unlike drawText)



git-svn-id: http://skia.googlecode.com/svn/trunk@2742 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2011-11-23 15:52:02 +00:00
parent 31648eb1cf
commit 055af884c8
1 changed files with 40 additions and 4 deletions
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44
bench/TextBench.cpp
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@ -44,22 +44,45 @@ class TextBench : public SkBenchmark {
SkString fText;
SkString fName;
FontQuality fFQ;
bool fDoPos;
SkPoint* fPos;
enum { N = SkBENCHLOOP(800) };
public:
TextBench(void* param, const char text[], int ps,
SkColor color, FontQuality fq) : INHERITED(param) {
SkColor color, FontQuality fq, bool doPos = false) : INHERITED(param) {
fFQ = fq;
fDoPos = doPos;
fText.set(text);
fPaint.setAntiAlias(kBW != fq);
fPaint.setLCDRenderText(kLCD == fq);
fPaint.setTextSize(SkIntToScalar(ps));
fPaint.setColor(color);
if (doPos) {
size_t len = strlen(text);
SkScalar* adv = new SkScalar[len];
fPaint.getTextWidths(text, len, adv);
fPos = new SkPoint[len];
SkScalar x = 0;
for (size_t i = 0; i < len; ++i) {
fPos[i].set(x, SkIntToScalar(50));
x += adv[i];
}
delete[] adv;
}
}
virtual ~TextBench() {
delete[] fPos;
}
protected:
virtual const char* onGetName() {
fName.printf("text_%g", SkScalarToFloat(fPaint.getTextSize()));
if (fDoPos) {
fName.appendf("_pos");
}
fName.appendf("_%s", fontQualityName(fPaint));
if (SK_ColorBLACK != fPaint.getColor()) {
fName.appendf("_%02X", fPaint.getAlpha());
@ -83,10 +106,20 @@ protected:
const SkScalar x0 = SkIntToScalar(-10);
const SkScalar y0 = SkIntToScalar(-10);
if (fDoPos) {
// realistically, the matrix is often at least translated, so we
// do that since it exercises different code in drawPosText.
canvas->translate(SK_Scalar1, SK_Scalar1);
}
for (int i = 0; i < N; i++) {
SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
if (fDoPos) {
canvas->drawPosText(fText.c_str(), fText.size(), fPos, paint);
} else {
SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
}
}
}
@ -110,6 +143,8 @@ static SkBenchmark* Fact21(void* p) { return new TextBench(p, STR, 16, 0xFF00000
static SkBenchmark* Fact22(void* p) { return new TextBench(p, STR, 16, 0xFFFF0000, kLCD); }
static SkBenchmark* Fact23(void* p) { return new TextBench(p, STR, 16, 0x88FF0000, kLCD); }
static SkBenchmark* Fact111(void* p) { return new TextBench(p, STR, 16, 0xFF000000, kAA, true); }
static BenchRegistry gReg01(Fact01);
static BenchRegistry gReg02(Fact02);
static BenchRegistry gReg03(Fact03);
@ -122,3 +157,4 @@ static BenchRegistry gReg21(Fact21);
static BenchRegistry gReg22(Fact22);
static BenchRegistry gReg23(Fact23);
static BenchRegistry gReg111(Fact111);