8211515fbe
Log an error if minui init fails, and avoid subsequent calls to minui in this case (which are likely to crash). Warn if no system text font available. This is now expected on most devices, and the fallback text is not expected to be needed, but just in case. Avoid the attempt to print text if no system font available, log warnings instead. Bug: 80249440 Test: manual: charger mode with no system font Change-Id: Ib0c761d37e41a893b2a192438eebcf48c4827049
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/*
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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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protected:
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virtual void clear_screen();
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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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