Canvas_drawImageNine.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Canvas_drawImageNine, 256, 128, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Canvas_drawImageNine	,
		256	,
		128	,
		false	,
		0
	)

Definition at line 4 of file Canvas_drawImageNine.cpp.

                                                     {
void draw(SkCanvas* canvas) {
    SkIRect center = { 20, 10, 50, 40 };
    SkBitmap bitmap;
    bitmap.allocPixels(SkImageInfo::MakeN32Premul(60, 60));
    SkCanvas bitCanvas(bitmap);
    SkPaint paint;
    SkColor gray = 0xFF000000;
    int left = 0;
    for (auto right: { center.fLeft, center.fRight, bitmap.width() } ) {
        int top = 0;
        for (auto bottom: { center.fTop, center.fBottom, bitmap.height() } ) {
            paint.setColor(gray);
            bitCanvas.drawIRect(SkIRect::MakeLTRB(left, top, right, bottom), paint);
            gray += 0x001f1f1f;
            top = bottom;
        }
        left = right;
    }
    sk_sp<SkImage> image = bitmap.asImage();
    SkImage* imagePtr = image.get();
    for (auto dest: { 20, 30, 40, 60, 90 } ) {
        canvas->drawImageNine(imagePtr, center, SkRect::MakeWH(dest, dest),
                              SkFilterMode::kNearest, nullptr);
        canvas->translate(dest + 4, 0);
    }
}
}  // END FIDDLE