imageblur.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkScalar.h"
#include "include/core/SkTypeface.h"
#include "include/effects/SkImageFilters.h"
#include "src/base/SkRandom.h"
#include "tools/ToolUtils.h"
#include "tools/fonts/FontToolUtils.h"

Go to the source code of this file.

Macros
#define	WIDTH   500
#define	HEIGHT   500

Functions
void	imageblurgm_draw (SkScalar fSigmaX, SkScalar fSigmaY, SkCanvas *canvas)
	DEF_SIMPLE_GM_BG (imageblur, canvas, WIDTH, HEIGHT, SK_ColorBLACK)
	DEF_SIMPLE_GM_BG (imageblur_large, canvas, WIDTH, HEIGHT, SK_ColorBLACK)

Macro Definition Documentation

HEIGHT

#define HEIGHT   500

Definition at line 22 of file imageblur.cpp.

WIDTH

#define WIDTH   500

Definition at line 21 of file imageblur.cpp.

Function Documentation

DEF_SIMPLE_GM_BG() [1/2]

DEF_SIMPLE_GM_BG	(	imageblur	,
		canvas	,
		WIDTH	,
		HEIGHT	,
		SK_ColorBLACK
	)

Definition at line 42 of file imageblur.cpp.

                                                                        {
    imageblurgm_draw(24.0f, 0.0f, canvas);
}

DEF_SIMPLE_GM_BG() [2/2]

DEF_SIMPLE_GM_BG	(	imageblur_large	,
		canvas	,
		WIDTH	,
		HEIGHT	,
		SK_ColorBLACK
	)

Definition at line 45 of file imageblur.cpp.

                                                                        {
    imageblurgm_draw(80.0f, 80.0f, canvas);
}

imageblurgm_draw()

void imageblurgm_draw	(	SkScalar	fSigmaX,
		SkScalar	fSigmaY,
		SkCanvas *	canvas
	)

Definition at line 24 of file imageblur.cpp.

                                                                            {
        SkPaint paint;
        paint.setImageFilter(SkImageFilters::Blur(fSigmaX, fSigmaY, nullptr));
        canvas->saveLayer(nullptr, &paint);
        const char* str = "The quick brown fox jumped over the lazy dog.";
 
        SkRandom rand;
        SkPaint textPaint;
        SkFont   font = ToolUtils::DefaultPortableFont();
        for (int i = 0; i < 25; ++i) {
            int x = rand.nextULessThan(WIDTH);
            int y = rand.nextULessThan(HEIGHT);
            textPaint.setColor(ToolUtils::color_to_565(rand.nextBits(24) | 0xFF000000));
            font.setSize(rand.nextRangeScalar(0, 300));
            canvas->drawString(str, SkIntToScalar(x), SkIntToScalar(y), font, textPaint);
        }
        canvas->restore();
}