Пример #1
0
SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode tmx,
        SkShader::TileMode tmy, const SkMatrix* localMatrix, SkTBlitterAllocator* allocator) {
    SkShader* shader;
    SkColor color;
    if (src.isNull() || bitmapIsTooBig(src)) {
        if (NULL == allocator) {
            shader = SkNEW(SkEmptyShader);
        } else {
            shader = allocator->createT<SkEmptyShader>();
        }
    }
    else if (canUseColorShader(src, &color)) {
        if (NULL == allocator) {
            shader = SkNEW_ARGS(SkColorShader, (color));
        } else {
            shader = allocator->createT<SkColorShader>(color);
        }
    } else {
        if (NULL == allocator) {
            shader = SkNEW_ARGS(SkBitmapProcShader, (src, tmx, tmy, localMatrix));
        } else {
            shader = allocator->createT<SkBitmapProcShader>(src, tmx, tmy, localMatrix);
        }
    }
    return shader;
}
Пример #2
0
SkShader* SkShader::CreateBitmapShader(const SkBitmap& src,
                                       TileMode tmx, TileMode tmy,
                                       void* storage, size_t storageSize) {
    SkShader* shader;
    SkColor color;
    if (src.isNull() || bitmapIsTooBig(src)) {
        SK_PLACEMENT_NEW(shader, SkEmptyShader, storage, storageSize);
    }
    else if (canUseColorShader(src, &color)) {
        SK_PLACEMENT_NEW_ARGS(shader, SkColorShader, storage, storageSize,
                              (color));
    } else {
        SK_PLACEMENT_NEW_ARGS(shader, SkBitmapProcShader, storage,
                              storageSize, (src, tmx, tmy));
    }
    return shader;
}