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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_COMMON_IMAGE_UTIL_H_
#define EXTENSIONS_COMMON_IMAGE_UTIL_H_
#include <stdint.h>
class SkBitmap;
using SkColor = uint32_t;
namespace base {
class FilePath;
}
// This file contains various utility functions for extension images and colors.
namespace extensions::image_util {
// Returns whether an icon image is considered to be visible in its display
// context.
bool IsIconSufficientlyVisible(const SkBitmap& bitmap);
// Returns whether an icon image is considered to be visible in its display
// context.
bool IsIconAtPathSufficientlyVisible(const base::FilePath& path);
// This is the color of the toolbar in the default scheme. There is a unit test
// to catch any changes to this value.
extern const SkColor kDefaultToolbarColor;
// Renders the icon bitmap onto another bitmap, combining it with the specified
// background color, then determines whether the rendered icon is sufficiently
// visible against the background.
bool IsRenderedIconSufficientlyVisible(const SkBitmap& bitmap,
SkColor background_color);
// Returns whether an icon image is considered to be visible in its display
// context, according to the previous function.
bool IsRenderedIconAtPathSufficientlyVisible(const base::FilePath& path,
SkColor background_color);
// Icons should be a reasonable size for analysis. There have been crash
// reports due to memory allocation issues with calls to
// SkBitmap::allocN32Pixels. See crbug.com/1155746.
inline constexpr int kMaxAllowedPixels = 2048 * 2048;
// Renders the icon bitmap onto another bitmap, combining it with the specified
// background color. The output bitmap must be empty.
[[nodiscard]] bool RenderIconForVisibilityAnalysis(const SkBitmap& icon,
SkColor background_color,
SkBitmap* rendered_icon);
// Load a PNG image from a file into the destination bitmap.
SkBitmap LoadPngFromFile(const base::FilePath& path);
} // namespace extensions::image_util
#endif // EXTENSIONS_COMMON_IMAGE_UTIL_H_
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