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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 UI_BASE_NINE_IMAGE_PAINTER_FACTORY_H_
#define UI_BASE_NINE_IMAGE_PAINTER_FACTORY_H_
#include <memory>
#include "base/component_export.h"
// A macro to define arrays of IDR constants used with CreateImageGridPainter.
#define IMAGE_GRID(x) { x ## _TOP_LEFT, x ## _TOP, x ## _TOP_RIGHT, \
x ## _LEFT, x ## _CENTER, x ## _RIGHT, \
x ## _BOTTOM_LEFT, x ## _BOTTOM, x ## _BOTTOM_RIGHT, }
// Defines an empty image for use in macros for creating an image grid for a
// ring of eight images.
#define EMPTY_IMAGE 0
// A macro to define arrays of IDR constants used with CreateImageGridPainter
// where only a ring of eight images is provided and center image is empty.
#define IMAGE_GRID_NO_CENTER(x) { x ## _TOP_LEFT, x ## _TOP, x ## _TOP_RIGHT, \
x ## _LEFT, EMPTY_IMAGE, x ## _RIGHT, \
x ## _BOTTOM_LEFT, x ## _BOTTOM, x ## _BOTTOM_RIGHT, }
// A macro to define arrays of IDR constants used with CreateImageGridPainter
// where it can only be streched horizontally.
#define IMAGE_GRID_HORIZONTAL(x) { x ## _LEFT, x ## _CENTER, x ## _RIGHT, \
EMPTY_IMAGE, EMPTY_IMAGE, EMPTY_IMAGE, \
EMPTY_IMAGE, EMPTY_IMAGE, EMPTY_IMAGE}
// A macro to define arrays of IDR constants used with CreateImageGridPainter
// where it can only be streched vertically.
#define IMAGE_GRID_VERTICAL(x) { x ## _TOP, EMPTY_IMAGE, EMPTY_IMAGE, \
x ## _CENTER, EMPTY_IMAGE, EMPTY_IMAGE, \
x ## _BOTTOM, EMPTY_IMAGE, EMPTY_IMAGE}
namespace gfx {
class NineImagePainter;
}
namespace ui {
// Creates a NineImagePainter from an array of image ids. It's expected the
// array came from the IMAGE_GRID macro.
COMPONENT_EXPORT(UI_BASE)
std::unique_ptr<gfx::NineImagePainter> CreateNineImagePainter(
const int image_ids[]);
} // namespace ui
#endif // UI_BASE_NINE_IMAGE_PAINTER_FACTORY_H_
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