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patterns: Added Icon/Cursor image pattern

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WerWolv
2021-10-19 20:34:09 +02:00
parent 19a0c7143a
commit 91609bd3b4
2 changed files with 46 additions and 0 deletions
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README.md
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@@ -23,6 +23,7 @@ Hex patterns, include patterns and magic files for the use with the ImHex Hex Ed
| NRO | | `patterns/nro.hexpat` | Nintendo Switch NRO files |
| Java Class | `application/x-java-applet` | `patterns/java_class.hexpat` | Java Class files |
| ARM VTOR | | `patterns/arm_cm_vtor.hexpat` | ARM Cortex M Vector Table Layout |
| ICO | | `patterns/ico.hexpat` | Icon (.ico) or Cursor (.cur) files |
### Pattern Libraries

45
patterns/ico.hexpat Normal file
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@@ -0,0 +1,45 @@
#pragma endian little
#pragma MIME image/vnd.microsoft.icon
#pragma MIME image/x-icon
#pragma MIME image/icon
#pragma MIME image/ico
#pragma MIME text/ico
#pragma MIME application/ico
enum ImageType : u16 {
Icon = 1,
Cursor = 2
};
struct ICONDIR {
u16 reserved [[hidden]];
ImageType type;
u16 num_images;
};
struct ImageData {
u8 data[parent.image_data_size] [[inline]];
};
struct ICONDIRENTRY {
u8 width, height;
u8 num_colors;
u8 reserved [[hidden]];
if (header.type == ImageType::Icon) {
u16 color_planes;
u16 bits_per_pixel;
} else if (header.type == ImageType::Cursor) {
u16 horizontal_hotspot_coordinate;
u16 vertical_hotspot_coordinate;
}
u32 image_data_size;
ImageData *image_data : u32;
};
ICONDIR header @ 0x00;
ICONDIRENTRY images[header.num_images] @ $;
std::assert(header.reserved == 0x00, "Invalid ICO header");