Bitmap_extractSubset.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Bitmap_extractSubset, 256, 256, true, 3)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Bitmap_extractSubset	,
		256	,
		256	,
		true	,
		3
	)

Definition at line 5 of file Bitmap_extractSubset.cpp.

                                                    {
void draw(SkCanvas* canvas) {
    SkIRect bounds, s;
    source.getBounds(&bounds);
    SkDebugf("bounds: %d, %d, %d, %d\n", bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom);
    SkBitmap subset;
    for (int left: { -100, 0, 100, 1000 } ) {
         for (int right: { 0, 100, 1000 } ) {
             SkIRect b = SkIRect::MakeLTRB(left, 100, right, 200);
             bool success = source.extractSubset(&subset, b);
             SkDebugf("subset: %4d, %4d, %4d, %4d  ", b.fLeft, b.fTop, b.fRight, b.fBottom);
             SkDebugf("success; %s", success ? "true" : "false");
             if (success) {
                 subset.getBounds(&s);
                 SkDebugf("  subset: %d, %d, %d, %d", s.fLeft, s.fTop, s.fRight, s.fBottom);
             }
             SkDebugf("\n");
         }
    }
}
}  // END FIDDLE