/**

 * RdTk: Remote Desktop Toolkit

 *

 * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "rdtk_font.h"

#include "rdtk_button.h"

int rdtk_button_draw(rdtkSurface* surface, int nXDst, int nYDst, int nWidth, int nHeight,

                     rdtkButton* button, const char* text)

{

	int offsetX;

	int offsetY;

	int textWidth;

	int textHeight;

	int fillWidth;

	int fillHeight;

	rdtkFont* font;

	rdtkEngine* engine;

	rdtkNinePatch* ninePatch;

	engine = surface->engine;

	font = engine->font;

	button = engine->button;

	ninePatch = button->ninePatch;

	rdtk_font_text_draw_size(font, &textWidth, &textHeight, text);

	rdtk_nine_patch_draw(surface, nXDst, nYDst, nWidth, nHeight, ninePatch);

	if ((textWidth > 0) && (textHeight > 0))

	{

		fillWidth = nWidth - (ninePatch->width - ninePatch->fillWidth);

		fillHeight = nHeight - (ninePatch->height - ninePatch->fillHeight);

		offsetX = ninePatch->fillLeft;

		offsetY = ninePatch->fillTop;

		if (textWidth < fillWidth)

			offsetX = ((fillWidth - textWidth) / 2) + ninePatch->fillLeft;

		else if (textWidth < ninePatch->width)

			offsetX = ((ninePatch->width - textWidth) / 2);

		if (textHeight < fillHeight)

			offsetY = ((fillHeight - textHeight) / 2) + ninePatch->fillTop;

		else if (textHeight < ninePatch->height)

			offsetY = ((ninePatch->height - textHeight) / 2);

		rdtk_font_draw_text(surface, nXDst + offsetX, nYDst + offsetY, font, text);

	}

	return 1;

}

rdtkButton* rdtk_button_new(rdtkEngine* engine, rdtkNinePatch* ninePatch)

{

	rdtkButton* button;

	button = (rdtkButton*)calloc(1, sizeof(rdtkButton));

	if (!button)

		return NULL;

	button->engine = engine;

	button->ninePatch = ninePatch;

	return button;

}

void rdtk_button_free(rdtkButton* button)

{

	free(button);

}

int rdtk_button_engine_init(rdtkEngine* engine)

{

	if (!engine->button)

	{

		engine->button = rdtk_button_new(engine, engine->button9patch);

	}

	return 1;

}

int rdtk_button_engine_uninit(rdtkEngine* engine)

{

	if (engine->button)

	{

		rdtk_button_free(engine->button);

		engine->button = NULL;

	}

	return 1;

}