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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef picture_utils_DEFINED
#define picture_utils_DEFINED
#include "SkTypes.h"
class SkBitmap;
class SkFILEStream;
class SkPicture;
class SkString;
namespace sk_tools {
// since PNG insists on unpremultiplying our alpha, we take no precision
// chances and force all pixels to be 100% opaque, otherwise on compare we
// may not get a perfect match.
//
// This expects a bitmap with a config type of 8888 and for the pixels to
// not be on the GPU.
void force_all_opaque(const SkBitmap& bitmap);
/**
* Replaces all instances of oldChar with newChar in str.
*
* TODO: This function appears here and in skimage_main.cpp ;
* we should add the implementation to src/core/SkString.cpp, write tests for it,
* and remove it from elsewhere.
*/
void replace_char(SkString* str, const char oldChar, const char newChar);
// Creates a posix style filepath by concatenating name onto dir with a
// forward slash into path.
// TODO(epoger): delete in favor of SkOSPath::SkPathJoin()?
void make_filepath(SkString* path, const SkString&, const SkString& name);
// Returns the last part of the path (file name or leaf directory name)
//
// This basically just looks for a foward slash or backslash (windows
// only).
// TODO(epoger): delete in favor of SkOSPath::SkBasename()?
void get_basename(SkString* basename, const SkString& path);
// Returns true if the string ends with %
bool is_percentage(const char* const string);
// Prepares the bitmap so that it can be written.
//
// Specifically, it configures the bitmap, allocates pixels and then
// erases the pixels to transparent black.
void setup_bitmap(SkBitmap* bitmap, int width, int height);
}
#endif // picture_utils_DEFINED
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