1libcaca-canvas(3caca)               libcaca              libcaca-canvas(3caca)
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NAME

6       libcaca-canvas - The libcaca canvas format (version 1)
7
8       All types are big endian.
9
10       struct
11       {
12       magic:
13          uint8_t caca_header[2];    // "\xCA\xCA"
14          uint8_t caca_file_type[2]; // "CV"
15
16       canvas_header:
17          uint32_t control_size;     // Control size (canvas_data - canvas_header)
18          uint32_t data_size;        // Data size (EOF - canvas_data)
19
20          uint16_t version;          // Canvas format version
21                                     //  bit 0: set to 1 if canvas is compatible
22                                     //         with version 1 of the format
23                                     //  bits 1-15: unused yet, must be 0
24
25          uint32_t frames;           // Frame count
26
27          uint16_t flags;            // Feature flags
28                                     //  bits 0-15: unused yet, must be 0
29
30       frame_info:
31          struct
32          {
33             uint32_t width;         // Frame width
34             uint32_t height;        // Frame height
35             uint32_t duration;      // Frame duration in milliseconds, 0 to
36                                     // not specify a duration
37             uint32_t attr;          // Graphics context attribute
38             int32_t cursor_x;       // Cursor X coordinate
39             int32_t cursor_y;       // Cursor Y coordinate
40             int32_t handle_x;       // Handle X coordinate
41             int32_t handle_y;       // Handle Y coordinate
42          }
43          frame_list[frames];
44
45       control_extension_1:
46       control_extension_2:
47          ...
48       control_extension_N:
49          ...                        // reserved for future use
50
51       canvas_data:
52          uint8_t data[data_size];   // canvas data
53
54       data_extension_1:
55       data_extension_2:
56          ...
57       data_extension_N:
58          ...                        // reserved for future use
59       };
60
61Version 0.99.beta20        Sun Sep 24 2023 00:00:00      libcaca-canvas(3caca)
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