/*
 * Copyright 2021 Vincent Sanders <vince@netsurf-browser.org>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * \file
 * Implementation of netsurf bitmap for fltk.
 */

#include <stddef.h>

extern "C" {

#include "utils/errors.h"
#include "netsurf/bitmap.h"

}

#include "fltk/bitmap.h"

/**
 * Create a new bitmap.
 *
 * \param width width of image in pixels
 * \param height width of image in pixels
 * \param state The state to create the bitmap in.
 * \return A bitmap structure or NULL on error.
 */
static void *nsfltk_bitmap_create(int width, int height, unsigned int state)
{
	return NULL;
}

/**
 * Destroy a bitmap.
 *
 * \param bitmap The bitmap to destroy.
 */
static void nsfltk_bitmap_destroy(void *bitmap)
{
}

/**
 * Set the opacity of a bitmap.
 *
 * \param bitmap The bitmap to set opacity on.
 * \param opaque The bitmap opacity to set.
 */
static void nsfltk_bitmap_set_opaque(void *bitmap, bool opaque)
{
}

/**
 * Get the opacity of a bitmap.
 *
 * \param bitmap The bitmap to examine.
 * \return The bitmap opacity.
 */
static bool nsfltk_bitmap_get_opaque(void *bitmap)
{
	return false;
}

/**
 * Test if a bitmap is opaque.
 *
 * \param bitmap The bitmap to examine.
 * \return The bitmap opacity.
 */
static bool nsfltk_bitmap_test_opaque(void *bitmap)
{
	return false;
}

/**
 * Get the image buffer from a bitmap
 *
 * \param bitmap The bitmap to get the buffer from.
 * \return The image buffer or NULL if there is none.
 */
static unsigned char *nsfltk_bitmap_get_buffer(void *bitmap)
{
	return NULL;
}

/**
 * Get the number of bytes per row of the image
 *
 * \param bitmap The bitmap
 * \return The number of bytes for a row of the bitmap.
 */
static size_t nsfltk_bitmap_get_rowstride(void *bitmap)
{
	return 0;
}

/**
 * Get the bitmap width
 *
 * \param bitmap The bitmap
 * \return The bitmap width in pixels.
 */
static int nsfltk_bitmap_get_width(void *bitmap)
{
	return 0;
}

/**
 * Get the bitmap height
 *
 * \param bitmap The bitmap
 * \return The bitmap height in pixels.
 */
static int nsfltk_bitmap_get_height(void *bitmap)
{
	return 0;
}

/**
 * Get the *bytes* per pixel.
 *
 * \param bitmap The bitmap
 */
static size_t nsfltk_bitmap_get_bpp(void *bitmap)
{
	return 4;
}

/**
 * Save a bitmap to disc.
 *
 * \param bitmap The bitmap to save
 * \param path The path to save the bitmap to.
 * \param flags Flags affecting the save.
 */
static bool nsfltk_bitmap_save(void *bitmap, const char *path, unsigned flags)
{
	return false;
}

/**
 * Marks a bitmap as modified.
 *
 * \param bitmap The bitmap set as modified.
 */
static void nsfltk_bitmap_modified(void *bitmap)
{
}

/**
 * Render content into a bitmap.
 *
 * \param bitmap The bitmap to render into.
 * \param content The content to render.
 */
static nserror
nsfltk_bitmap_render(struct bitmap *bitmap, struct hlcache_handle *content)
{
	return NSERROR_OK;
}


static struct gui_bitmap_table bitmap_table = {
	.create = nsfltk_bitmap_create,
	.destroy = nsfltk_bitmap_destroy,
	.set_opaque = nsfltk_bitmap_set_opaque,
	.get_opaque = nsfltk_bitmap_get_opaque,
	.test_opaque = nsfltk_bitmap_test_opaque,
	.get_buffer = nsfltk_bitmap_get_buffer,
	.get_rowstride = nsfltk_bitmap_get_rowstride,
	.get_width = nsfltk_bitmap_get_width,
	.get_height = nsfltk_bitmap_get_height,
	.get_bpp = nsfltk_bitmap_get_bpp,
	.save = nsfltk_bitmap_save,
	.modified = nsfltk_bitmap_modified,
	.render = nsfltk_bitmap_render,
};

struct gui_bitmap_table *nsfltk_bitmap_table = &bitmap_table;