Matrix_preConcat.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Matrix_preConcat, 256, 256, false, 3)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Matrix_preConcat	,
		256	,
		256	,
		false	,
		3
	)

Definition at line 5 of file Matrix_preConcat.cpp.

                                                 {
void draw(SkCanvas* canvas) {
    SkMatrix matrix, matrix2;
    SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
    SkRect::Make(source.bounds()).toQuad(bitmapBounds);
    matrix.setPolyToPoly(bitmapBounds, perspect, 4);
    matrix2.setPolyToPoly(perspect, bitmapBounds, 4);
    matrix.preConcat(matrix2);
    canvas->concat(matrix);
    canvas->drawImage(image, 0, 0);
}
}  // END FIDDLE