17fb387a56
update some samples git-svn-id: http://skia.googlecode.com/svn/trunk@1237 2bbb7eff-a529-9590-31e7-b0007b416f81
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#include "SampleCode.h"
|
|
#include "SkView.h"
|
|
#include "SkBlurMaskFilter.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkGradientShader.h"
|
|
#include "SkGraphics.h"
|
|
#include "SkImageDecoder.h"
|
|
#include "SkPath.h"
|
|
#include "SkRandom.h"
|
|
#include "SkRegion.h"
|
|
#include "SkShader.h"
|
|
#include "SkUtils.h"
|
|
#include "SkXfermode.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkColorFilter.h"
|
|
#include "SkTime.h"
|
|
#include "SkTypeface.h"
|
|
#include "SkTextBox.h"
|
|
#include "SkOSFile.h"
|
|
#include "SkStream.h"
|
|
#include "SkKey.h"
|
|
|
|
#ifdef SK_BUILD_FOR_WIN
|
|
extern SkTypeface* SkCreateTypefaceFromLOGFONT(const LOGFONT&);
|
|
#endif
|
|
|
|
static const char gText[] =
|
|
"When in the Course of human events it becomes necessary for one people "
|
|
"to dissolve the political bands which have connected them with another "
|
|
"and to assume among the powers of the earth, the separate and equal "
|
|
"station to which the Laws of Nature and of Nature's God entitle them, "
|
|
"a decent respect to the opinions of mankind requires that they should "
|
|
"declare the causes which impel them to the separation.";
|
|
|
|
class TextBoxView : public SampleView {
|
|
public:
|
|
TextBoxView() {
|
|
#ifdef SK_BUILD_FOR_WIN
|
|
LOGFONT lf;
|
|
sk_bzero(&lf, sizeof(lf));
|
|
lf.lfHeight = 9;
|
|
SkTypeface* tf0 = SkCreateTypefaceFromLOGFONT(lf);
|
|
lf.lfHeight = 12;
|
|
SkTypeface* tf1 = SkCreateTypefaceFromLOGFONT(lf);
|
|
// we assert that different sizes should not affect which face we get
|
|
SkASSERT(tf0 == tf1);
|
|
tf0->unref();
|
|
tf1->unref();
|
|
#endif
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SkString str("TextBox");
|
|
SampleCode::TitleR(evt, str.c_str());
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
virtual void onDrawContent(SkCanvas* canvas) {
|
|
SkScalar margin = 20;
|
|
SkTextBox tbox;
|
|
tbox.setMode(SkTextBox::kLineBreak_Mode);
|
|
tbox.setBox(margin, margin,
|
|
this->width() - margin, this->height() - margin);
|
|
tbox.setSpacing(SkIntToScalar(3)/3, 0);
|
|
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setLCDRenderText(true);
|
|
tbox.setText(gText, strlen(gText), paint);
|
|
|
|
for (int i = 9; i < 24; i += 2) {
|
|
paint.setTextSize(SkIntToScalar(i));
|
|
tbox.draw(canvas);
|
|
canvas->translate(0, tbox.getTextHeight() + paint.getFontSpacing());
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new TextBoxView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|