ninepatchstretch.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkSurface.h"
#include "tools/ToolUtils.h"

Go to the source code of this file.

Classes
class	NinePatchStretchGM

Functions
static sk_sp< SkSurface >	make_surface (SkCanvas *root, int N)
static sk_sp< SkImage >	make_image (SkCanvas *root, SkIRect *center)

Function Documentation

make_image()

static sk_sp< SkImage > make_image ( SkCanvas *  root, SkIRect *  center  )

static

Definition at line 27 of file ninepatchstretch.cpp.

                                                                  {
    const int kFixed = 28;
    const int kStretchy = 8;
    const int kSize = 2*kFixed + kStretchy;
 
    auto surface(make_surface(root, kSize));
    SkCanvas* canvas = surface->getCanvas();
 
    SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize));
    const SkScalar strokeWidth = SkIntToScalar(6);
    const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2;
 
    center->setXYWH(kFixed, kFixed, kStretchy, kStretchy);
 
    SkPaint paint;
    paint.setAntiAlias(true);
 
    paint.setColor(0xFFFF0000);
    canvas->drawRoundRect(r, radius, radius, paint);
    r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar(kSize));
    paint.setColor(0x8800FF00);
    canvas->drawRect(r, paint);
    r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStretchy));
    paint.setColor(0x880000FF);
    canvas->drawRect(r, paint);
 
    return surface->makeImageSnapshot();
}

make_surface()

static sk_sp< SkSurface > make_surface ( SkCanvas *  root, int  N  )

static

Definition at line 22 of file ninepatchstretch.cpp.

                                                            {
    SkImageInfo info = SkImageInfo::MakeN32Premul(N, N);
    return ToolUtils::makeSurface(root, info);
}