root / proj / libs / graph / include / graph.h @ 338
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| 1 | 168 | up20180642 | #ifndef GRAPH_H_INCLUDED
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| 2 | #define GRAPH_H_INCLUDED
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| 3 | |||
| 4 | 331 | up20180642 | /**
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| 5 | * @defgroup graph graph
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| 6 | * @brief Graph module.
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| 7 | *
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| 8 | * Provides functions, classes and methods for graphic drawing.
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| 9 | *
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| 10 | * @{
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| 11 | */
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| 12 | |||
| 13 | 261 | up20180642 | // Graphics modes
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| 14 | 336 | up20180642 | /// @brief Indexed graphic mode, 1024x768 px
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| 15 | 261 | up20180642 | #define INDEXED_1024_768 0x105 |
| 16 | 336 | up20180642 | /// @brief Direct graphic mode, 640x480 px, RGB = 888 bits
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| 17 | 261 | up20180642 | #define DIRECT_640_480_888 0x110 |
| 18 | 336 | up20180642 | /// @brief Direct graphic mode, 800x600 px, RGB = 888 bits
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| 19 | 261 | up20180642 | #define DIRECT_800_600_888 0x115 |
| 20 | 336 | up20180642 | /// @brief Direct graphic mode, 1024x768 px, RGB = 888 bits
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| 21 | 261 | up20180642 | #define DIRECT_1024_768_888 0x118 |
| 22 | 336 | up20180642 | /// @brief Direct graphic mode, 1280x1024 px, RGB = 565 bits
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| 23 | 261 | up20180642 | #define DIRECT_1280_1024_565 0x11A |
| 24 | 336 | up20180642 | /// @brief Direct graphic mode, 1280x1024 px, RGB = 888 bits
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| 25 | 261 | up20180642 | #define DIRECT_1280_1024_888 0x11B |
| 26 | |||
| 27 | 253 | up20180642 | // Colors in RBG (8 bit)
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| 28 | 336 | up20180642 | /// @brief Black color
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| 29 | 307 | up20180642 | #define GRAPH_BLACK 0x000000 |
| 30 | 336 | up20180642 | /// @brief White color
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| 31 | 307 | up20180642 | #define GRAPH_WHITE 0xFFFFFF |
| 32 | 336 | up20180642 | /// @brief Transparent
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| 33 | 307 | up20180642 | #define GRAPH_TRANSPARENT 0x00 |
| 34 | 336 | up20180642 | /// @brief Red color
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| 35 | 307 | up20180642 | #define GRAPH_RED 0xFF0000 |
| 36 | 253 | up20180642 | |
| 37 | 336 | up20180642 | /// @brief Alpha threshold, from which it is either considered transparent or opaque
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| 38 | 253 | up20180642 | #define ALPHA_THRESHOLD 0x7F |
| 39 | |||
| 40 | 332 | up20180642 | /**
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| 41 | * @brief Initialize graphics.
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| 42 | * @param mode Graphics mode to use
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| 43 | * @return SUCCESS if operation was successful, other value otherwise
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| 44 | */
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| 45 | int (graph_init)(uint16_t mode);
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| 46 | |||
| 47 | /**
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| 48 | * @brief Cleanup graphics.
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| 49 | * @return SUCCESS if operation was successful, other value otherwise
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| 50 | */
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| 51 | int (graph_cleanup)(void); |
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| 52 | |||
| 53 | /**
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| 54 | * @brief Get screen X-resolution.
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| 55 | * @return Screen X-resolution
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| 56 | */
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| 57 | 174 | up20180642 | uint16_t (graph_get_XRes) (void);
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| 58 | 332 | up20180642 | /**
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| 59 | * @brief Get screen Y-resolution.
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| 60 | * @return Screen Y-resolution
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| 61 | */
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| 62 | 174 | up20180642 | uint16_t (graph_get_YRes) (void);
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| 63 | 332 | up20180642 | /**
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| 64 | * @brief Get number of bytes per pixel.
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| 65 | *
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| 66 | * That is, the number of bytes needed to encode the color of a pixel.
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| 67 | * @return Number of bytes per pixel
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| 68 | */
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| 69 | 208 | up20180642 | uint16_t (graph_get_bytes_pixel) (void);
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| 70 | 168 | up20180642 | |
| 71 | 332 | up20180642 | /**
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| 72 | * @brief Draw pixel with color.
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| 73 | * @param x X-position of pixel to draw
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| 74 | * @param y Y-position of pixel to draw
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| 75 | * @param color Color that will be used to draw the pixel
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| 76 | * @return SUCCESS if operation was successful, other value otherwise
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| 77 | */
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| 78 | void (graph_set_pixel) (uint16_t x, uint16_t y, uint32_t color);
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| 79 | /**
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| 80 | * @brief Draw pixel with color using position.
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| 81 | *
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| 82 | * Position is calculated from y*WIDTH+x.
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| 83 | * @param pos Position
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| 84 | * @param color Color that will be used to draw the pixel
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| 85 | */
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| 86 | 208 | up20180642 | void (graph_set_pixel_pos) (unsigned pos , uint32_t color); |
| 87 | 168 | up20180642 | |
| 88 | 333 | up20180642 | /**
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| 89 | * @brief Clear screen, painting it black.
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| 90 | * @return SUCCESS if operation was successful, other value otherwise
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| 91 | */
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| 92 | 174 | up20180642 | int (graph_clear_screen)(void); |
| 93 | 168 | up20180642 | |
| 94 | 333 | up20180642 | /**
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| 95 | * @brief Draw everything on the buffer to the screen.
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| 96 | * @return SUCCESS if operation was successful, other value otherwise
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| 97 | */
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| 98 | 174 | up20180642 | int (graph_draw)(void); |
| 99 | 168 | up20180642 | |
| 100 | 331 | up20180642 | /**
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| 101 | * @}
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| 102 | 285 | up20180642 | */
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| 103 | |||
| 104 | 168 | up20180642 | #endif /* end of include guard: GRAPH_H_INCLUDED */ |