spritebitmap.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/effects/SkImageFilters.h"
#include "tools/ToolUtils.h"
#include <utility>

Go to the source code of this file.

Classes
class	SpriteBitmapGM

Functions
static void	make_bm (SkBitmap *bm)
static void	draw_1_bitmap (SkCanvas *canvas, const SkBitmap &bm, bool doClip, int dx, int dy, sk_sp< SkImageFilter > filter)
	DEF_SIMPLE_GM_BG (drawimagerect_filter, canvas, 180, 60, SK_ColorWHITE)

Function Documentation

DEF_SIMPLE_GM_BG()

DEF_SIMPLE_GM_BG	(	drawimagerect_filter	,
		canvas	,
		180	,
		60	,
		SK_ColorWHITE
	)

Definition at line 107 of file spritebitmap.cpp.

                                                                       {
    auto image = ToolUtils::create_checkerboard_image(50, 50, SK_ColorWHITE, SK_ColorBLACK, 1);
    SkSamplingOptions sampling{SkFilterMode::kLinear};
 
    canvas->translate(5, 5);
    canvas->drawImage(image, 0.5f, 0.5f, sampling);
 
    canvas->translate(60, 0);
    canvas->drawImageRect(image, {0.5f, 0.5f, 50.5f, 50.5f}, sampling);
 
    auto shader = image->makeShader(sampling);
    canvas->translate(60, 0);
    SkPaint paint;
    SkMatrix offset = SkMatrix::Translate(0.5f, 0.5f);
    paint.setShader(image->makeShader(sampling, &offset));
    canvas->drawRect({0.0f, 0.0f, 50.0f, 50.0f}, paint);
}

draw_1_bitmap()

static void draw_1_bitmap ( SkCanvas *  canvas, const SkBitmap &  bm, bool  doClip, int  dx, int  dy, sk_sp< SkImageFilter >  filter  )

static

Definition at line 37 of file spritebitmap.cpp.

                                                                      {
    SkAutoCanvasRestore acr(canvas, true);
    SkPaint paint;
 
    SkRect clipR = SkRect::MakeXYWH(SkIntToScalar(dx),
                                    SkIntToScalar(dy),
                                    SkIntToScalar(bm.width()),
                                    SkIntToScalar(bm.height()));
 
    paint.setImageFilter(std::move(filter));
    clipR.inset(5, 5);
 
    canvas->translate(SkIntToScalar(bm.width() + 20), 0);
 
    if (doClip) {
        canvas->save();
        canvas->clipRect(clipR);
    }
    canvas->drawImage(bm.asImage(), SkIntToScalar(dx), SkIntToScalar(dy),
                      SkSamplingOptions(), &paint);
    if (doClip) {
        canvas->restore();
    }
}

make_bm()

static void make_bm ( SkBitmap *  bm )

static

Definition at line 26 of file spritebitmap.cpp.

                                  {
    bm->allocN32Pixels(100, 100);
    bm->eraseColor(SK_ColorBLUE);
 
    SkCanvas canvas(*bm);
    SkPaint paint;
    paint.setAntiAlias(true);
    paint.setColor(SK_ColorRED);
    canvas.drawCircle(50, 50, 50, paint);
}