| | 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 | }; |
| | 58 | /* |
| | 59 | * Local Variables: |
| | 60 | * mode: c |
| | 61 | * c-basic-offset: 8 |
| | 62 | * fill-column: 78 |
| | 63 | * End: |
| | 64 | */ |
projects / wxWidgets.git / blame_incremental