/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HEALTHD_DRAW_H
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#define HEALTHD_DRAW_H
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#include <linux/input.h>
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#include <minui/minui.h>
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#include "animation.h"
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using namespace android;
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class HealthdDraw {
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public:
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// Configures font using given animation.
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HealthdDraw(animation* anim);
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virtual ~HealthdDraw();
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// Redraws screen.
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void redraw_screen(const animation* batt_anim, GRSurface* surf_unknown);
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// Blanks screen if true, unblanks if false.
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virtual void blank_screen(bool blank);
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virtual void clear_screen();
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protected:
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// returns the last y-offset of where the surface ends.
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virtual int draw_surface_centered(GRSurface* surface);
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// Negative x or y coordinates center text.
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virtual int draw_text(const GRFont* font, int x, int y, const char* str);
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// Negative x or y coordinates position the text away from the opposite edge
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// that positive ones do.
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virtual void determine_xy(const animation::text_field& field,
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const int length, int* x, int* y);
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// Draws battery animation, if it exists.
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virtual void draw_battery(const animation* anim);
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// Draws clock text, if animation contains text_field data.
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virtual void draw_clock(const animation* anim);
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// Draws battery percentage text if animation contains text_field data.
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virtual void draw_percent(const animation* anim);
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// Draws charger->surf_unknown or basic text.
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virtual void draw_unknown(GRSurface* surf_unknown);
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// Pixel sizes of characters for default font.
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int char_width_;
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int char_height_;
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// Width and height of screen in pixels.
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int screen_width_;
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int screen_height_;
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// Device screen is split vertically.
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const bool kSplitScreen;
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// Pixels to offset graphics towards center split.
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const int kSplitOffset;
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// system text font, may be nullptr
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const GRFont* sys_font;
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// true if minui init'ed OK, false if minui init failed
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bool graphics_available;
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};
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#endif // HEALTHD_DRAW_H
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