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86010186d8
app-module: - Implement `AppStartContext` to reduce amount of `app_start_` and `app_exec` functions: replace them with `app_start_with_context()` - Add support for environment variables when starting apps - Implement support for environment variables for apps graphics-module: - Add this new module - Move font-module code into this module - Implement pixel_buffer apps: - Terminal app: reduce memory usage by only buffering a single row of characters, and try to buffer in IRAM when possible. Implement new pixel_buffer. - App List: Mark apps as favourite to pin them on top. Use touch or press "x" key. - App List: Add toolbar button that shows alert dialog with info about using favourites
30 lines
782 B
C
30 lines
782 B
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* A fixed-width bitmap font: monospaced glyphs covering a contiguous codepoint range, one row of
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* glyph_bytes_per_row bytes per pixel row (bit 7 of the first byte is the leftmost pixel).
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*
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* glyph_bitmap is indexed as glyph_bitmap[(ch - first_codepoint) * glyph_height *
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* glyph_bytes_per_row + row * glyph_bytes_per_row + byte]; a codepoint outside
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* [first_codepoint, last_codepoint] has no entry.
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*/
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typedef struct FixedWidthFont {
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uint8_t glyph_width;
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uint8_t glyph_height;
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uint8_t glyph_bytes_per_row;
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uint8_t first_codepoint;
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uint8_t last_codepoint;
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const uint8_t* glyph_bitmap;
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} FixedWidthFont;
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#ifdef __cplusplus
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}
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#endif
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