зеркало из https://github.com/mozilla/moz-skia.git
139 строки
4.0 KiB
C++
139 строки
4.0 KiB
C++
|
|
/*
|
|
* Copyright 2011 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
#include "SampleCode.h"
|
|
#include "SkView.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkTypeface.h"
|
|
#include "SkPath.h"
|
|
#include "SkRegion.h"
|
|
#include "SkShader.h"
|
|
#include "SkUtils.h"
|
|
#include "Sk1DPathEffect.h"
|
|
#include "SkCornerPathEffect.h"
|
|
#include "SkPathMeasure.h"
|
|
#include "SkRandom.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkColorFilter.h"
|
|
#include "SkDither.h"
|
|
|
|
static const struct {
|
|
const char* fName;
|
|
SkTypeface::Style fStyle;
|
|
} gFaces[] = {
|
|
{ NULL, SkTypeface::kNormal },
|
|
{ NULL, SkTypeface::kBold },
|
|
{ "serif", SkTypeface::kNormal },
|
|
{ "serif", SkTypeface::kBold },
|
|
{ "serif", SkTypeface::kItalic },
|
|
{ "serif", SkTypeface::kBoldItalic },
|
|
{ "monospace", SkTypeface::kNormal }
|
|
};
|
|
|
|
static const int gFaceCount = SK_ARRAY_COUNT(gFaces);
|
|
|
|
class FontScalerTestView : public SampleView {
|
|
SkTypeface* fFaces[gFaceCount];
|
|
|
|
public:
|
|
FontScalerTestView() {
|
|
for (int i = 0; i < gFaceCount; i++) {
|
|
fFaces[i] = SkTypeface::CreateFromName(gFaces[i].fName,
|
|
gFaces[i].fStyle);
|
|
}
|
|
// this->setBGColor(0xFFDDDDDD);
|
|
}
|
|
|
|
virtual ~FontScalerTestView() {
|
|
for (int i = 0; i < gFaceCount; i++) {
|
|
SkSafeUnref(fFaces[i]);
|
|
}
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SampleCode::TitleR(evt, "FontScaler Test");
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
static void rotate_about(SkCanvas* canvas, SkScalar degrees, SkScalar px, SkScalar py) {
|
|
canvas->translate(px, py);
|
|
canvas->rotate(degrees);
|
|
canvas->translate(-px, -py);
|
|
}
|
|
|
|
virtual void onDrawContent(SkCanvas* canvas) {
|
|
SkPaint paint;
|
|
|
|
// test handling of obscene cubic values (currently broken)
|
|
if (false) {
|
|
SkPoint pts[4];
|
|
pts[0].set(1.61061274e+09f, 6291456);
|
|
pts[1].set(-7.18397061e+15f, -1.53091184e+13f);
|
|
pts[2].set(-1.30077315e+16f, -2.77196141e+13f);
|
|
pts[3].set(-1.30077315e+16f, -2.77196162e+13f);
|
|
|
|
SkPath path;
|
|
path.moveTo(pts[0]);
|
|
path.cubicTo(pts[1], pts[2], pts[3]);
|
|
canvas->drawPath(path, paint);
|
|
}
|
|
|
|
// paint.setSubpixelText(true);
|
|
paint.setAntiAlias(true);
|
|
paint.setLCDRenderText(true);
|
|
SkSafeUnref(paint.setTypeface(SkTypeface::CreateFromName("Times Roman", SkTypeface::kNormal)));
|
|
|
|
// const char* text = "abcdefghijklmnopqrstuvwxyz";
|
|
const char* text = "Hamburgefons ooo mmm";
|
|
const size_t textLen = strlen(text);
|
|
|
|
for (int j = 0; j < 2; ++j) {
|
|
for (int i = 0; i < 6; ++i) {
|
|
SkScalar x = SkIntToScalar(10);
|
|
SkScalar y = SkIntToScalar(20);
|
|
|
|
SkAutoCanvasRestore acr(canvas, true);
|
|
canvas->translate(SkIntToScalar(50 + i * 230),
|
|
SkIntToScalar(20));
|
|
rotate_about(canvas, i * 5, x, y * 10);
|
|
|
|
{
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
SkRect r;
|
|
r.set(x-3, 15, x-1, 280);
|
|
canvas->drawRect(r, p);
|
|
}
|
|
|
|
int index = 0;
|
|
for (int ps = 6; ps <= 22; ps++) {
|
|
paint.setTextSize(SkIntToScalar(ps));
|
|
canvas->drawText(text, textLen, x, y, paint);
|
|
y += paint.getFontMetrics(NULL);
|
|
index += 1;
|
|
}
|
|
}
|
|
canvas->translate(0, 400);
|
|
paint.setSubpixelText(true);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new FontScalerTestView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|