// Copyright (c) 2012- PPSSPP Project.

// This program 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 2.0 or later versions.

// This program 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 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

#include <algorithm>

#include "ui/ui_context.h"
#include "UI/DisplayLayoutEditor.h"

void MultiTouchDisplay::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
	const AtlasImage *image = dc.Draw()->GetAtlas()->getImage(img_);
	if (image) {
		w = image->w * scale_;
		h = image->h * scale_;
	} else {
		w = 0.0f;
		h = 0.0f;
	}
}

void MultiTouchDisplay::Touch(const TouchInput &input) {
	if ((input.flags & TOUCH_DOWN) && bounds_.Contains(input.x, input.y)) {
		pointerDownMask_ |= 1 << input.id;
	}
	if (input.flags & TOUCH_MOVE) {
		if (bounds_.Contains(input.x, input.y))
			pointerDownMask_ |= 1 << input.id;
		else
			pointerDownMask_ &= ~(1 << input.id);
	}
	if (input.flags & TOUCH_UP) {
		pointerDownMask_ &= ~(1 << input.id);
	}
	if (input.flags & TOUCH_RELEASE_ALL) {
		pointerDownMask_ = 0;
	}
}


void MultiTouchDisplay::Draw(UIContext &dc) {
	float opacity = 0.5f;
	float scale = scale_;
	uint32_t color = colorAlpha(0xFFFFFF, opacity);
	dc.Draw()->DrawImageRotated(img_, bounds_.centerX(), bounds_.centerY(), scale, angle_ * (M_PI * 2 / 360.0f), color, flipImageH_);
}
