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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef HEALTHD_DRAW_H
#define HEALTHD_DRAW_H
#include <linux/input.h>
#include <minui/minui.h>
#include "animation.h"
using namespace android;
class HealthdDraw {
public:
virtual ~HealthdDraw();
// Redraws screen.
void redraw_screen(const animation* batt_anim, GRSurface* surf_unknown);
// According to the index of Direct Rendering Manager,
// Blanks screen if true, unblanks if false.
virtual void blank_screen(bool blank, int drm);
// Rotate screen.
virtual void rotate_screen(int drm);
// Detect dual display
virtual bool has_multiple_connectors();
static std::unique_ptr<HealthdDraw> Create(animation *anim);
protected:
virtual void clear_screen();
// returns the last y-offset of where the surface ends.
virtual int draw_surface_centered(GRSurface* surface);
// Negative x or y coordinates center text.
virtual int draw_text(const GRFont* font, int x, int y, const char* str);
// Negative x or y coordinates position the text away from the opposite edge
// that positive ones do.
virtual void determine_xy(const animation::text_field& field,
const int length, int* x, int* y);
// Draws battery animation, if it exists.
virtual void draw_battery(const animation* anim);
// Draws clock text, if animation contains text_field data.
virtual void draw_clock(const animation* anim);
// Draws battery percentage text if animation contains text_field data.
virtual void draw_percent(const animation* anim);
// Draws charger->surf_unknown or basic text.
virtual void draw_unknown(GRSurface* surf_unknown);
// Pixel sizes of characters for default font.
int char_width_;
int char_height_;
// Width and height of screen in pixels.
int screen_width_;
int screen_height_;
// Device screen is split vertically.
const bool kSplitScreen;
// Pixels to offset graphics towards center split.
const int kSplitOffset;
// system text font, may be nullptr
const GRFont* sys_font;
// true if minui init'ed OK, false if minui init failed
bool graphics_available;
private:
// Configures font using given animation.
HealthdDraw(animation* anim);
};
#endif // HEALTHD_DRAW_H
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