2009-01-28 00:56:29 +00:00
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#include "SkBenchmark.h"
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#include "SkCanvas.h"
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2009-04-08 05:03:52 +00:00
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#include "SkFontHost.h"
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2009-01-28 00:56:29 +00:00
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#include "SkPaint.h"
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#include "SkRandom.h"
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2009-04-14 14:28:22 +00:00
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#include "SkSfntUtils.h"
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2009-01-28 00:56:29 +00:00
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#include "SkString.h"
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#include "SkTemplates.h"
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/* Some considerations for performance:
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short -vs- long strings (measuring overhead)
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tiny -vs- large pointsize (measure blit -vs- overhead)
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1 -vs- many point sizes (measure cache lookup)
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normal -vs- subpixel -vs- lineartext (minor)
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force purge after each draw to measure scaler
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textencoding?
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text -vs- postext - pathtext
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*/
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class TextBench : public SkBenchmark {
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SkPaint fPaint;
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int fCount;
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SkPoint* fPos;
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SkString fText;
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SkString fName;
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enum { N = 300 };
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public:
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2009-09-02 21:12:42 +00:00
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TextBench(void* param, const char text[], int ps, bool linearText,
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bool posText) : INHERITED(param) {
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2009-01-28 00:56:29 +00:00
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fText.set(text);
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fPaint.setAntiAlias(true);
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fPaint.setTextSize(SkIntToScalar(ps));
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fPaint.setLinearText(linearText);
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if (posText) {
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SkAutoTArray<SkScalar> storage(fText.size());
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SkScalar* widths = storage.get();
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fCount = fPaint.getTextWidths(fText.c_str(), fText.size(), widths);
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fPos = new SkPoint[fCount];
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SkScalar x = 0;
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for (int i = 0; i < fCount; i++) {
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fPos[i].set(x, 0);
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x += widths[i];
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}
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} else {
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fCount = 0;
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fPos = NULL;
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}
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}
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virtual ~TextBench() {
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delete[] fPos;
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}
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protected:
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virtual const char* onGetName() {
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fName.printf("text_%g", SkScalarToFloat(fPaint.getTextSize()));
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if (fPaint.isLinearText()) {
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fName.append("_linear");
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}
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if (fPos) {
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fName.append("_pos");
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}
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) {
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const SkIPoint dim = this->getSize();
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SkRandom rand;
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SkPaint paint(fPaint);
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this->setupPaint(&paint);
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const SkScalar x0 = SkIntToScalar(-10);
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const SkScalar y0 = SkIntToScalar(-10);
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2009-10-20 13:55:41 +00:00
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const SkColor colors[] = { SK_ColorBLACK, SK_ColorGRAY };
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2009-01-28 00:56:29 +00:00
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2009-10-20 13:55:41 +00:00
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for (size_t j = 0; j < SK_ARRAY_COUNT(colors); j++) {
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paint.setColor(colors[j]);
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for (int i = 0; i < N; i++) {
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SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
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SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
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if (fPos) {
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canvas->save(SkCanvas::kMatrix_SaveFlag);
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canvas->translate(x, y);
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canvas->drawPosText(fText.c_str(), fText.size(), fPos, paint);
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canvas->restore();
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} else {
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canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
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}
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2009-01-28 00:56:29 +00:00
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}
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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#define STR "Hamburgefons"
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#define SMALL 9
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#define BIG 48
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2009-09-02 21:12:42 +00:00
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static SkBenchmark* Fact0(void* p) { return new TextBench(p, STR, SMALL, false, false); }
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static SkBenchmark* Fact1(void* p) { return new TextBench(p, STR, SMALL, false, true); }
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static SkBenchmark* Fact2(void* p) { return new TextBench(p, STR, SMALL, true, false); }
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static SkBenchmark* Fact3(void* p) { return new TextBench(p, STR, SMALL, true, true); }
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static SkBenchmark* Fact4(void* p) { return new TextBench(p, STR, BIG, false, false); }
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static SkBenchmark* Fact5(void* p) { return new TextBench(p, STR, BIG, false, true); }
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static SkBenchmark* Fact6(void* p) { return new TextBench(p, STR, BIG, true, false); }
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static SkBenchmark* Fact7(void* p) { return new TextBench(p, STR, BIG, true, true); }
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2009-01-28 00:56:29 +00:00
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static BenchRegistry gReg0(Fact0);
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static BenchRegistry gReg1(Fact1);
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static BenchRegistry gReg2(Fact2);
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static BenchRegistry gReg3(Fact3);
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static BenchRegistry gReg4(Fact4);
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static BenchRegistry gReg5(Fact5);
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static BenchRegistry gReg6(Fact6);
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static BenchRegistry gReg7(Fact7);
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