xfermodes.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkBlendMode.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkShader.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTileMode.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/utils/SkTextUtils.h"
#include "tools/ToolUtils.h"
#include "tools/fonts/FontToolUtils.h"

Go to the source code of this file.

Classes
class	XfermodesGM

Enumerations
enum	SrcType {   kRectangleImage_SrcType = 0x01 , kRectangleImageWithAlpha_SrcType = 0x02 , kSmallRectangleImageWithAlpha_SrcType = 0x04 , kRectangle_SrcType = 0x08 ,   kQuarterClear_SrcType = 0x10 , kQuarterClearInLayer_SrcType = 0x20 , kSmallTransparentImage_SrcType = 0x40 , kRectangleWithMask_SrcType = 0x80 ,   kAll_SrcType = 0xFF , kBasic_SrcType = 0x03 }

Functions
static void	make_bitmaps (int w, int h, SkBitmap *src, SkBitmap *dst, SkBitmap *transparent)

Variables
struct {
SkBlendMode   fMode
int   fSourceTypeMask
}	gModes []
static uint16_t	gData [] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF }

Enumeration Type Documentation

SrcType

enum SrcType

Enumerator
kRectangleImage_SrcType	A WxH image with a rectangle in the lower right.
kRectangleImageWithAlpha_SrcType	kRectangleImage_SrcType with an alpha of 34.5%.
kSmallRectangleImageWithAlpha_SrcType	kRectnagleImageWithAlpha_SrcType scaled down by half.
kRectangle_SrcType	kRectangleImage_SrcType drawn directly instead in an image.
kQuarterClear_SrcType	Two rectangles, first on the right half, second on the bottom half.
kQuarterClearInLayer_SrcType	kQuarterClear_SrcType in a layer.
kSmallTransparentImage_SrcType	A W/2xH/2 transparent image.
kRectangleWithMask_SrcType	kRectangleImage_SrcType drawn directly with a mask.
kAll_SrcType	All the source types.
kBasic_SrcType	Just basic source types.

Definition at line 29 of file xfermodes.cpp.

             {
    //! A WxH image with a rectangle in the lower right.
    kRectangleImage_SrcType               = 0x01,
    //! kRectangleImage_SrcType with an alpha of 34.5%.
    kRectangleImageWithAlpha_SrcType      = 0x02,
    //! kRectnagleImageWithAlpha_SrcType scaled down by half.
    kSmallRectangleImageWithAlpha_SrcType = 0x04,
    //! kRectangleImage_SrcType drawn directly instead in an image.
    kRectangle_SrcType                    = 0x08,
    //! Two rectangles, first on the right half, second on the bottom half.
    kQuarterClear_SrcType                 = 0x10,
    //! kQuarterClear_SrcType in a layer.
    kQuarterClearInLayer_SrcType          = 0x20,
    //! A W/2xH/2 transparent image.
    kSmallTransparentImage_SrcType        = 0x40,
    //! kRectangleImage_SrcType drawn directly with a mask.
    kRectangleWithMask_SrcType            = 0x80,
 
    kAll_SrcType                          = 0xFF, //!< All the source types.
    kBasic_SrcType                        = 0x03, //!< Just basic source types.
};

Function Documentation

make_bitmaps()

static void make_bitmaps ( int  w, int  h, SkBitmap *  src, SkBitmap *  dst, SkBitmap *  transparent  )

static

Definition at line 92 of file xfermodes.cpp.

                                                {
    src->allocN32Pixels(w, h);
    src->eraseColor(SK_ColorTRANSPARENT);
 
    SkPaint p;
    p.setAntiAlias(true);
 
    SkRect r;
    SkScalar ww = SkIntToScalar(w);
    SkScalar hh = SkIntToScalar(h);
 
    {
        SkCanvas c(*src);
        p.setColor(ToolUtils::color_to_565(0xFFFFCC44));
        r.setWH(ww*3/4, hh*3/4);
        c.drawOval(r, p);
    }
 
    dst->allocN32Pixels(w, h);
    dst->eraseColor(SK_ColorTRANSPARENT);
 
    {
        SkCanvas c(*dst);
        p.setColor(ToolUtils::color_to_565(0xFF66AAFF));
        r.setLTRB(ww/3, hh/3, ww*19/20, hh*19/20);
        c.drawRect(r, p);
    }
 
    transparent->allocN32Pixels(w, h);
    transparent->eraseColor(SK_ColorTRANSPARENT);
}

Variable Documentation

fMode

SkBlendMode fMode

Definition at line 52 of file xfermodes.cpp.

fSourceTypeMask

int fSourceTypeMask

Definition at line 53 of file xfermodes.cpp.

gData

uint16_t gData[] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF }

static

Definition at line 125 of file xfermodes.cpp.

const struct { ... } gModes[]