SkBitmap.cpp File Reference

#include "include/core/SkBitmap.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkColorType.h"
#include "include/core/SkImage.h"
#include "include/core/SkMallocPixelRef.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPixelRef.h"
#include "include/core/SkRect.h"
#include "include/core/SkShader.h"
#include "include/core/SkTileMode.h"
#include "include/private/base/SkAlign.h"
#include "include/private/base/SkTFitsIn.h"
#include "include/private/base/SkTemplates.h"
#include "include/private/base/SkTo.h"
#include "src/core/SkConvertPixels.h"
#include "src/core/SkImageInfoPriv.h"
#include "src/core/SkImagePriv.h"
#include "src/core/SkMask.h"
#include "src/core/SkMaskFilterBase.h"
#include "src/core/SkMipmap.h"
#include "src/core/SkPixelRefPriv.h"
#include "src/core/SkWritePixelsRec.h"
#include "src/shaders/SkImageShader.h"
#include <cstring>
#include <utility>

Go to the source code of this file.

Functions
static bool	reset_return_false (SkBitmap *bm)
static void	invoke_release_proc (void(*proc)(void *pixels, void *ctx), void *pixels, void *ctx)
static bool	GetBitmapAlpha (const SkBitmap &src, uint8_t *SK_RESTRICT alpha, int alphaRowBytes)

Function Documentation

GetBitmapAlpha()

static bool GetBitmapAlpha ( const SkBitmap &  src, uint8_t *SK_RESTRICT  alpha, int  alphaRowBytes  )

static

Definition at line 523 of file SkBitmap.cpp.

                                                                                               {
    SkASSERT(alpha != nullptr);
    SkASSERT(alphaRowBytes >= src.width());
 
    SkPixmap pmap;
    if (!src.peekPixels(&pmap)) {
        for (int y = 0; y < src.height(); ++y) {
            memset(alpha, 0, src.width());
            alpha += alphaRowBytes;
        }
        return false;
    }
    return SkConvertPixels(SkImageInfo::MakeA8(pmap.width(), pmap.height()), alpha, alphaRowBytes,
                           pmap.info(), pmap.addr(), pmap.rowBytes());
}

invoke_release_proc()

static void invoke_release_proc ( void(*)(void *pixels, void *ctx)  proc, void *  pixels, void *  ctx  )

static

Definition at line 317 of file SkBitmap.cpp.

                                                                                                {
    if (proc) {
        proc(pixels, ctx);
    }
}

reset_return_false()

static bool reset_return_false ( SkBitmap *  bm )

static

Definition at line 38 of file SkBitmap.cpp.

                                             {
    bm->reset();
    return false;
}