Graphic Image Map (GIM): Difference between revisions
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00000110 <span style="background:#ddbb99;">43 6F 6E 76 20 31 2E 32 30 68 00</span> <span style="background:#aaaaaa;">00</span> Conv 1.20h.. | 00000110 <span style="background:#ddbb99;">43 6F 6E 76 20 31 2E 32 30 68 00</span> <span style="background:#aaaaaa;">00</span> Conv 1.20h.. | ||
* | *Blocks are aligned to 4 bytes boundary, the byte at the end in the example is padding | ||
==GIM header== | ==GIM header== | ||
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==Block data (by block ID)== | ==Block data (by block ID)== | ||
This is a representation of the block hierarchy in the example: | |||
GIM | |||
-0x02 | |||
-0x03 | |||
-0x04 | |||
-0xFF | |||
===0x02=== | ===0x02 (root)=== | ||
Empty/unknown. The direct childrens are 0x03 and 0x0FF | |||
===0x03=== | ===0x03=== | ||
Empty/unknown. The direct child is 0x04 | |||
===0x04=== | ===0x04 (bitmap)=== | ||
===0x05=== | ===0x05=== | ||
Revision as of 19:59, 13 April 2018
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Description
Graphic Image Map ? (GIM) is an image format, allows for tenths of different storage settings and by combining settings results in hundreds (or thousands) of different GIM files that are structurally different, to simplify concepts people is naming this different GIM files as "GIM formats" but strictly speaking the GIM format is always the same, the amount of GIM formats used in PlayStation consoles is limited though (restricted by the graphic enviroment, libraries, etc...). GIM files was found used in PSP and PS3 firmwares inside Resource Container (RCO) files, PlayStation 3 Theme (P3T) files, etc... See GimConv and Multimedia Formats and Tools#GIM
The acronym of GIM used in this wiki (Graphic Image Map) is an speculative unnofficial name based in how the data is stored in the internal GIM structure, if someone finds the official codename somewhere please report back and we will change it
Structure
- Overview
00000000 2E 47 49 4D 31 2E 30 30 00 50 53 50 00 00 00 00 .GIM1.00.PSP.... 00000010 00 02 00 00 00 00 01 0C 00 00 00 10 00 00 00 10 ................ 00000020 00 03 00 00 00 00 00 A0 00 00 00 10 00 00 00 10 ....... ........ 00000030 00 04 00 00 00 00 00 90 00 00 00 90 00 00 00 10 ................ 00000040 00 30 00 00 00 03 00 00 00 04 00 04 00 20 00 10 .0........... .. 00000050 00 01 00 02 00 00 00 00 00 00 00 30 00 00 00 40 ...........0...@ 00000060 00 00 00 80 00 00 00 00 00 01 00 01 00 03 00 01 ...€............ 00000070 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............ 00000080 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 Àÿî.Àÿî.Àÿî.Àÿî. 00000090 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 Àÿî.Àÿî.Àÿî.Àÿî. 000000A0 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 Àÿî.Àÿî.Àÿî.Àÿî. 000000B0 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 C0 FF EE 00 Àÿî.Àÿî.Àÿî.Àÿî. 000000C0 00 FF 00 00 00 00 00 5C 00 00 00 5C 00 00 00 10 .ÿ.....\...\.... 000000D0 34 78 34 5F 43 30 46 46 45 45 5F 33 32 62 69 74 4x4_C0FFEE_32bit 000000E0 73 2E 62 6D 70 00 41 64 6D 69 6E 69 73 74 72 61 s.bmp.Administra 000000F0 74 6F 72 00 46 72 69 20 41 70 72 20 31 33 20 30 tor.Fri Apr 13 0 00000100 31 3A 35 37 3A 34 37 20 32 30 31 38 00 47 69 6D 1:57:47 2018.Gim 00000110 43 6F 6E 76 20 31 2E 32 30 68 00 00 Conv 1.20h..
- Blocks are aligned to 4 bytes boundary, the byte at the end in the example is padding
GIM header
Block headers (generic)
| Offset | Length | Example | Name | Notes |
|---|---|---|---|---|
| 0x00 | 0x02 | 00 02 | block_id | Block identifyer (see below) |
| 0x02 | 0x02 | 00 00 | block_unk1 | Always 0x00 ? |
| 0x04 | 0x04 | 00 00 01 0C | block_size | Size of this block + size of all the children blocks |
| 0x08 | 0x04 | 00 00 00 10 | block_next | Next block, relative offset |
| 0x0C | 0x04 | 00 00 00 10 | block_unk2 | Always 0x10 ? |
Block data (by block ID)
This is a representation of the block hierarchy in the example:
GIM
-0x02
-0x03
-0x04
-0xFF
0x02 (root)
Empty/unknown. The direct childrens are 0x03 and 0x0FF
0x03
Empty/unknown. The direct child is 0x04
0x04 (bitmap)
0x05
Footer size is variable, composed by strings of variable lenght null terminated:
- 4x4_C0FFEE_32bits.bmp (original file name)
- Administrator (windows user account)
- Fri Apr 13 01:57:47 2018 (timestamp)
- GimConv 1.20h (GimConv.exe version used to create the GIM file)
Links
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