projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 8414a40c VZ |
1 | typedef struct _TIFFImageIter TIFFImageIter; |
| 2 | ||
| 3 | /* The callback function is called for each "block" of image pixel data after | |
| 4 | it has been read from the file and decoded. This image pixel data is in the | |
| 5 | buffer pp, and this data represents the image pixels from (x,y) to | |
| 6 | (x+w,y+h). It is stored in pixel format, so each pixel contains | |
| 7 | img->samplesperpixel consecutive samples each containing img->bitspersample | |
| 8 | bits of data. The array pp is ordered in h consecutive rows of w+fromskew | |
| 9 | pixels each. */ | |
| 10 | typedef void (*ImageIterTileContigRoutine) | |
| 11 | (TIFFImageIter*, void *, uint32, uint32, uint32, uint32, int32, | |
| 12 | unsigned char*); | |
| 13 | #define DECLAREContigCallbackFunc(name) \ | |
| 14 | static void name(\ | |
| 15 | TIFFImageIter* img, \ | |
| 16 | void* user_data, \ | |
| 17 | uint32 x, uint32 y, \ | |
| 18 | uint32 w, uint32 h, \ | |
| 19 | int32 fromskew, \ | |
| 20 | u_char* pp \ | |
| 21 | ) | |
| 22 | ||
| 23 | typedef void (*ImageIterTileSeparateRoutine) | |
| 24 | (TIFFImageIter*, void *, uint32, uint32, uint32, uint32, int32, | |
| 25 | unsigned char*, unsigned char*, unsigned char*, unsigned char*); | |
| 26 | #define DECLARESepCallbackFunc(name) \ | |
| 27 | static void name(\ | |
| 28 | TIFFImageIter* img, \ | |
| 29 | void* user_data, \ | |
| 30 | uint32 x, uint32 y, \ | |
| 31 | uint32 w, uint32 h,\ | |
| 32 | int32 fromskew, \ | |
| 33 | u_char* r, u_char* g, u_char* b, u_char* a\ | |
| 34 | ) | |
| 35 | ||
| 36 | struct _TIFFImageIter { | |
| 37 | TIFF* tif; /* image handle */ | |
| 38 | int stoponerr; /* stop on read error */ | |
| 39 | int isContig; /* data is packed/separate */ | |
| 40 | int alpha; /* type of alpha data present */ | |
| 41 | uint32 width; /* image width */ | |
| 42 | uint32 height; /* image height */ | |
| 43 | uint16 bitspersample; /* image bits/sample */ | |
| 44 | uint16 samplesperpixel; /* image samples/pixel */ | |
| 45 | uint16 orientation; /* image orientation */ | |
| 46 | uint16 photometric; /* image photometric interp */ | |
| 47 | uint16* redcmap; /* colormap pallete */ | |
| 48 | uint16* greencmap; | |
| 49 | uint16* bluecmap; | |
| 50 | /* get image data routine */ | |
| 51 | int (*get)(TIFFImageIter*, void *udata, uint32, uint32); | |
| 52 | union { | |
| 53 | void (*any)(TIFFImageIter*); | |
| 54 | ImageIterTileContigRoutine contig; | |
| 55 | ImageIterTileSeparateRoutine separate; | |
| 56 | } callback; /* fn to exec for each block */ | |
| 57 | }; |