void onDraw(SkCanvas* canvas) override {
static const struct {
SkFilterQuality fQuality;
const char* fName;
} kQualities[] = {
{kNone_SkFilterQuality, "none"},
{kLow_SkFilterQuality, "low"},
{kMedium_SkFilterQuality, "medium"},
{kHigh_SkFilterQuality, "high"},
};
for (size_t q = 0; q < SK_ARRAY_COUNT(kQualities); ++q) {
SkPaint paint;
sk_tool_utils::set_portable_typeface(&paint);
paint.setFilterQuality(kQualities[q].fQuality);
SkPaint bmpPaint(paint);
SkMatrix lm = SkMatrix::I();
lm.setScaleX(2.5);
lm.setTranslateX(423);
lm.setTranslateY(330);
static const SkShader::TileMode kTM = SkShader::kRepeat_TileMode;
bmpPaint.setShader(SkShader::MakeBitmapShader(fBmp, kTM, kTM, &lm));
SkRect rect = SkRect::MakeLTRB(20, 60, 220, 210);
canvas->drawRect(rect, bmpPaint);
paint.setAntiAlias(true);
canvas->drawText(kQualities[q].fName, strlen(kQualities[q].fName), 20, 40, paint);
canvas->translate(250, 0);
}
}
void drawAll(SkCanvas* canvas, SkScalar scaleX) const {
constexpr struct {
SkFilterQuality fQuality;
const char* fName;
} kQualities[] = {
{kNone_SkFilterQuality, "none"},
{kLow_SkFilterQuality, "low"},
{kMedium_SkFilterQuality, "medium"},
{kHigh_SkFilterQuality, "high"},
};
SkRect rect = SkRect::MakeLTRB(20, 60, 220, 210);
SkMatrix lm = SkMatrix::I();
lm.setScaleX(scaleX);
lm.setTranslateX(423);
lm.setTranslateY(330);
SkPaint textPaint;
textPaint.setAntiAlias(true);
SkPaint bmpPaint(textPaint);
SkFont font(ToolUtils::create_portable_typeface());
SkAutoCanvasRestore acr(canvas, true);
for (size_t q = 0; q < SK_ARRAY_COUNT(kQualities); ++q) {
constexpr SkTileMode kTM = SkTileMode::kRepeat;
bmpPaint.setShader(fBmp.makeShader(kTM, kTM, &lm));
bmpPaint.setFilterQuality(kQualities[q].fQuality);
canvas->drawRect(rect, bmpPaint);
canvas->drawString(kQualities[q].fName, 20, 40, font, textPaint);
canvas->translate(250, 0);
}
}
