verylargebitmap.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkBlendMode.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImage.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPicture.h"
#include "include/core/SkPictureRecorder.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkShader.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTileMode.h"
#include "include/core/SkTiledImageUtils.h"
#include "include/effects/SkGradientShader.h"
#include "tools/ToolUtils.h"

Go to the source code of this file.

Classes
class	VeryLargeBitmapGM

Typedefs
typedef sk_sp< SkImage >(*	ImageMakerProc) (int width, int height, SkColor colors[2])

Functions
static void	draw (SkCanvas *canvas, int width, int height, SkColor colors[2])
static sk_sp< SkImage >	make_raster_image (int width, int height, SkColor colors[2])
static sk_sp< SkImage >	make_picture_image (int width, int height, SkColor colors[2])
static void	show_image (SkCanvas *canvas, int width, int height, SkColor colors[2], ImageMakerProc proc, bool manuallyTile)
	DEF_GM (return new VeryLargeBitmapGM(make_raster_image, "verylargebitmap", false);) DEF_GM(return new VeryLargeBitmapGM(make_raster_image
	DEF_GM (return new VeryLargeBitmapGM(make_picture_image, "verylarge_picture_image", false);) DEF_GM(return new VeryLargeBitmapGM(make_picture_image

Variables
	verylargebitmap
	true
	verylarge_picture_image

Typedef Documentation

ImageMakerProc

typedef sk_sp< SkImage >(* ImageMakerProc) (int width, int height, SkColor colors[2])

Definition at line 57 of file verylargebitmap.cpp.

Function Documentation

DEF_GM() [1/2]

DEF_GM ( return new VeryLargeBitmapGM(make_picture_image, "verylarge_picture_image", false);   )

new

DEF_GM() [2/2]

DEF_GM ( return new VeryLargeBitmapGM(make_raster_image, "verylargebitmap", false);   )

new

draw()

static void draw ( SkCanvas *  canvas, int  width, int  height, SkColor  colors[2]  )

static

Definition at line 30 of file verylargebitmap.cpp.

                                                                             {
    const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 };
    const SkScalar radius = 40;
    SkPaint paint;
    paint.setShader(SkGradientShader::MakeRadial(center, radius, colors, nullptr, 2,
                                                 SkTileMode::kMirror));
    paint.setBlendMode(SkBlendMode::kSrc);
    canvas->drawPaint(paint);
}

make_picture_image()

static sk_sp< SkImage > make_picture_image ( int  width, int  height, SkColor  colors[2]  )

static

Definition at line 46 of file verylargebitmap.cpp.

                                                                                   {
    SkPictureRecorder recorder;
    draw(recorder.beginRecording(SkRect::MakeIWH(width, height)), width, height, colors);
    return SkImages::DeferredFromPicture(recorder.finishRecordingAsPicture(),
                                         {width, height},
                                         nullptr,
                                         nullptr,
                                         SkImages::BitDepth::kU8,
                                         SkColorSpace::MakeSRGB());
}

make_raster_image()

static sk_sp< SkImage > make_raster_image ( int  width, int  height, SkColor  colors[2]  )

static

Definition at line 40 of file verylargebitmap.cpp.

                                                                                  {
    auto surface(SkSurfaces::Raster(SkImageInfo::MakeN32Premul(width, height)));
    draw(surface->getCanvas(), width, height, colors);
    return surface->makeImageSnapshot();
}

show_image()

static void show_image ( SkCanvas *  canvas, int  width, int  height, SkColor  colors[2], ImageMakerProc  proc, bool  manuallyTile  )

static

Definition at line 59 of file verylargebitmap.cpp.

                                                               {
    sk_sp<SkImage> image = proc(width, height, colors);
    if (!image) {
        return;
    }
 
    SkPaint borderPaint;
 
    borderPaint.setStyle(SkPaint::kStroke_Style);
 
    SkRect dstRect = SkRect::MakeWH(128.f, 128.f);
 
    canvas->save();
    canvas->clipRect(dstRect);
    if (manuallyTile) {
        SkTiledImageUtils::DrawImage(canvas, image, 0, 0);
    } else {
        canvas->drawImage(image, 0, 0);
    }
    canvas->restore();
    canvas->drawRect(dstRect, borderPaint);
 
    dstRect.offset(SkIntToScalar(150), 0);
    int hw = width / 2;
    int hh = height / 2;
    SkRect subset = SkRect::MakeLTRB(hw - 64, hh - 32, hw + 64, hh + 32);
    if (manuallyTile) {
        SkTiledImageUtils::DrawImageRect(canvas, image, subset, dstRect, {}, nullptr,
                                         SkCanvas::kStrict_SrcRectConstraint);
    } else {
        canvas->drawImageRect(image, subset, dstRect, {}, nullptr,
                              SkCanvas::kStrict_SrcRectConstraint);
    }
    canvas->drawRect(dstRect, borderPaint);
 
    dstRect.offset(SkIntToScalar(150), 0);
    if (manuallyTile) {
        SkTiledImageUtils::DrawImageRect(canvas, image, dstRect);
    } else {
        canvas->drawImageRect(image, dstRect, {});
    }
    canvas->drawRect(dstRect, borderPaint);
}

Variable Documentation

true

true

Definition at line 163 of file verylargebitmap.cpp.

verylarge_picture_image

verylarge_picture_image

Definition at line 166 of file verylargebitmap.cpp.

verylargebitmap

verylargebitmap

Definition at line 162 of file verylargebitmap.cpp.