diff options
Diffstat (limited to 'converter/ppm/picttoppm.c')
| -rw-r--r-- | converter/ppm/picttoppm.c | 671 |
1 files changed, 342 insertions, 329 deletions
diff --git a/converter/ppm/picttoppm.c b/converter/ppm/picttoppm.c index 9a7d8e7c..828d5270 100644 --- a/converter/ppm/picttoppm.c +++ b/converter/ppm/picttoppm.c @@ -40,10 +40,10 @@ /* * Typical byte, 2 byte and 4 byte integers. */ -typedef unsigned char byte; -typedef char signed_byte; -typedef unsigned short word; -typedef unsigned long longword; +typedef unsigned char Byte; +typedef char SignedByte; +typedef unsigned short Word; +typedef unsigned long Longword; /* @@ -51,47 +51,47 @@ typedef unsigned long longword; */ struct Rect { - word top; - word left; - word bottom; - word right; + Word top; + Word left; + Word bottom; + Word right; }; struct pixMap { struct Rect Bounds; - word version; - word packType; - longword packSize; - longword hRes; - longword vRes; - word pixelType; - word pixelSize; - word cmpCount; - word cmpSize; - longword planeBytes; - longword pmTable; - longword pmReserved; + Word version; + Word packType; + Longword packSize; + Longword hRes; + Longword vRes; + Word pixelType; + Word pixelSize; + Word cmpCount; + Word cmpSize; + Longword planeBytes; + Longword pmTable; + Longword pmReserved; }; struct RGBColor { - word red; - word grn; - word blu; + Word red; + Word grn; + Word blu; }; struct Point { - word x; - word y; + Word x; + Word y; }; struct Pattern { - byte pix[64]; + Byte pix[64]; }; struct rgbPlanes { - word * red; - word * grn; - word * blu; + Word * red; + Word * grn; + Word * blu; }; struct canvas { @@ -102,8 +102,8 @@ typedef void (*transfer_func) (struct RGBColor* src, struct RGBColor* dst); static const char * stage; static struct Rect picFrame; -static word rowlen; -static word collen; +static Word rowlen; +static Word collen; static int verbose; static int fullres; static int recognize_comment; @@ -121,23 +121,23 @@ static struct Rect clip_rect; static struct Rect cur_rect; static struct Point current; static struct Pattern pen_pat; -static word pen_width; -static word pen_height; -static word pen_mode; +static Word pen_width; +static Word pen_height; +static Word pen_mode; static transfer_func pen_trf; -static word text_font; -static byte text_face; -static word text_mode; +static Word text_font; +static Byte text_face; +static Word text_mode; static transfer_func text_trf; -static word text_size; +static Word text_size; static struct font* tfont; /* state for magic printer comments */ static int ps_text; -static byte ps_just; -static byte ps_flip; -static word ps_rotation; -static byte ps_linespace; +static Byte ps_just; +static Byte ps_flip; +static Word ps_rotation; +static Byte ps_linespace; static int ps_cent_x; static int ps_cent_y; static int ps_cent_set; @@ -277,6 +277,10 @@ typedef void (drawFn)(struct canvas *, blitList *, int); struct opdef { const char* name; int len; + /* If non-negative, this is the length of the argument of the + instruction. If negative, it has special meaning; WORD_LEN + is the only value negative value. + */ drawFn * impl; const char* description; }; @@ -291,11 +295,11 @@ struct opdef { */ /* for reserved opcodes of known length */ -#define res(length) \ +#define RESERVED_OP(length) \ { "reserved", (length), NULL, "reserved for Apple use" } /* for reserved opcodes of length determined by a function */ -#define resf(skipfunction) \ +#define RESERVED_OP_F(skipfunction) \ { "reserved", NA, (skipfunction), "reserved for Apple use" } /* seems like RGB colors are 6 bytes, but Apple says they're variable */ @@ -308,8 +312,8 @@ static int align = 0; -static byte -read_byte(void) { +static Byte +readByte(void) { int c; if ((c = fgetc(ifp)) == EOF) @@ -321,52 +325,52 @@ read_byte(void) { -static word -read_word(void) { - byte b; +static Word +readWord(void) { - b = read_byte(); + Byte const hi = readByte(); + Byte const lo = readByte(); - return (b << 8) | read_byte(); + return (hi << 8) | (lo << 0); } -static void read_point(struct Point * const p) { - p->y = read_word(); - p->x = read_word(); +static void readPoint(struct Point * const p) { + p->y = readWord(); + p->x = readWord(); } -static longword -read_long(void) { - word i; +static Longword +readLong(void) { + Word const hi = readWord(); + Word const lo = readWord(); - i = read_word(); - return (i << 16) | read_word(); + return (hi << 16) | (lo << 0); } -static signed_byte -read_signed_byte(void) { - return (signed_byte)read_byte(); +static SignedByte +readSignedByte(void) { + return (SignedByte)readByte(); } static void -read_short_point(struct Point * const p) { - p->x = read_signed_byte(); - p->y = read_signed_byte(); +readShortPoint(struct Point * const p) { + p->x = readSignedByte(); + p->y = readSignedByte(); } static void skip(int const byteCount) { - static byte buf[1024]; + static Byte buf[1024]; int n; align += byteCount; @@ -461,7 +465,7 @@ const_name(const struct const_name * const table, static void -picComment(word const type, +picComment(Word const type, int const length) { unsigned int remainingLength; @@ -470,10 +474,10 @@ picComment(word const type, case 150: if (verbose) pm_message("TextBegin"); if (length >= 6) { - ps_just = read_byte(); - ps_flip = read_byte(); - ps_rotation = read_word(); - ps_linespace = read_byte(); + ps_just = readByte(); + ps_flip = readByte(); + ps_rotation = readWord(); + ps_linespace = readByte(); remainingLength = length - 5; if (recognize_comment) ps_text = 1; @@ -506,11 +510,11 @@ picComment(word const type, if (length < 8) remainingLength = length; else { - ps_cent_y = read_word(); + ps_cent_y = readWord(); if (ps_cent_y > 32767) ps_cent_y -= 65536; skip(2); /* ignore fractional part */ - ps_cent_x = read_word(); + ps_cent_x = readWord(); if (ps_cent_x > 32767) ps_cent_x -= 65536; skip(2); /* ignore fractional part */ @@ -621,7 +625,7 @@ ShortComment(struct canvas * const canvasP, blitList * const blitListP, int const version) { - picComment(read_word(), 0); + picComment(readWord(), 0); } @@ -633,10 +637,10 @@ LongComment(struct canvas * const canvasP, blitList * const blitListP, int const version) { - word type; + Word type; - type = read_word(); - picComment(type, read_word()); + type = readWord(); + picComment(type, readWord()); } @@ -649,7 +653,7 @@ skip_poly_or_region(struct canvas * const canvasP, int const version) { stage = "skipping polygon or region"; - skip(read_word() - 2); + skip(readWord() - 2); } @@ -788,12 +792,12 @@ dumpRect(const char * const label, static void -read_rect(struct Rect * const r) { +readRect(struct Rect * const r) { - r->top = read_word(); - r->left = read_word(); - r->bottom = read_word(); - r->right = read_word(); + r->top = readWord(); + r->left = readWord(); + r->bottom = readWord(); + r->right = readWord(); if (r->top > r->bottom || r->right < r->left) dumpRect("Invalid rectangle", *r); @@ -1196,7 +1200,7 @@ doDiffSize(struct Rect const clipsrc, unsigned int const dstadd = dstwid - xsize; - FILE * pnmscalePipeP; + FILE * pamscalePipeP; const char * command; FILE * scaled; int cols, rows, format; @@ -1205,9 +1209,9 @@ doDiffSize(struct Rect const clipsrc, pixel * rowp; FILE * tempFileP; const char * tempFilename; - word * reddst; - word * grndst; - word * bludst; + Word * reddst; + Word * grndst; + Word * bludst; reddst = dst.red; /* initial value */ grndst = dst.grn; /* initial value */ @@ -1217,19 +1221,19 @@ doDiffSize(struct Rect const clipsrc, pm_close(tempFileP); - asprintfN(&command, "pnmscale -xsize %d -ysize %d > %s", - rectwidth(&clipdst), rectheight(&clipdst), tempFilename); + pm_asprintf(&command, "pamscale -xsize %d -ysize %d > %s", + rectwidth(&clipdst), rectheight(&clipdst), tempFilename); pm_message("running command '%s'", command); - pnmscalePipeP = popen(command, "w"); - if (pnmscalePipeP == NULL) + pamscalePipeP = popen(command, "w"); + if (pamscalePipeP == NULL) pm_error("cannot execute command '%s' popen() errno = %s (%d)", command, strerror(errno), errno); - strfree(command); + pm_strfree(command); - fprintf(pnmscalePipeP, "P6\n%d %d\n%d\n", + fprintf(pamscalePipeP, "P6\n%d %d\n%d\n", rectwidth(&clipsrc), rectheight(&clipsrc), PPM_MAXMAXVAL); switch (pixSize) { @@ -1241,9 +1245,9 @@ doDiffSize(struct Rect const clipsrc, for (colNumber = 0; colNumber < xsize; ++colNumber) { unsigned int const colorIndex = row[colNumber]; struct RGBColor * const ct = &color_map[colorIndex]; - fputc(redepth(ct->red, 65535L), pnmscalePipeP); - fputc(redepth(ct->grn, 65535L), pnmscalePipeP); - fputc(redepth(ct->blu, 65535L), pnmscalePipeP); + fputc(redepth(ct->red, 65535L), pamscalePipeP); + fputc(redepth(ct->grn, 65535L), pamscalePipeP); + fputc(redepth(ct->blu, 65535L), pamscalePipeP); } } } @@ -1255,9 +1259,9 @@ doDiffSize(struct Rect const clipsrc, unsigned int colNumber; for (colNumber = 0; colNumber < xsize; ++colNumber) { struct RGBColor const color = decode16(&row[colNumber * 2]); - fputc(redepth(color.red, 32), pnmscalePipeP); - fputc(redepth(color.grn, 32), pnmscalePipeP); - fputc(redepth(color.blu, 32), pnmscalePipeP); + fputc(redepth(color.red, 32), pamscalePipeP); + fputc(redepth(color.grn, 32), pamscalePipeP); + fputc(redepth(color.blu, 32), pamscalePipeP); } } } @@ -1274,17 +1278,17 @@ doDiffSize(struct Rect const clipsrc, unsigned int colNumber; for (colNumber = 0; colNumber < xsize; ++colNumber) { - fputc(redepth(redPlane[colNumber], 256), pnmscalePipeP); - fputc(redepth(grnPlane[colNumber], 256), pnmscalePipeP); - fputc(redepth(bluPlane[colNumber], 256), pnmscalePipeP); + fputc(redepth(redPlane[colNumber], 256), pamscalePipeP); + fputc(redepth(grnPlane[colNumber], 256), pamscalePipeP); + fputc(redepth(bluPlane[colNumber], 256), pamscalePipeP); } } } break; } - if (pclose(pnmscalePipeP)) - pm_error("pnmscale failed. pclose() returned Errno %s (%d)", + if (pclose(pamscalePipeP)) + pm_error("pamscale failed. pclose() returned Errno %s (%d)", strerror(errno), errno); ppm_readppminit(scaled = pm_openr(tempFilename), &cols, &rows, @@ -1331,7 +1335,7 @@ doDiffSize(struct Rect const clipsrc, pm_close(scaled); ppm_freerow(row); - strfree(tempFilename); + pm_strfree(tempFilename); unlink(tempFilename); } @@ -1707,9 +1711,9 @@ allocPlanes(unsigned int const width, pm_error("not enough memory to hold picture"); /* initialize background to white */ - memset(planes.red, 255, planelen * sizeof(word)); - memset(planes.grn, 255, planelen * sizeof(word)); - memset(planes.blu, 255, planelen * sizeof(word)); + memset(planes.red, 255, planelen * sizeof(Word)); + memset(planes.grn, 255, planelen * sizeof(Word)); + memset(planes.blu, 255, planelen * sizeof(Word)); *planesP = planes; } @@ -1727,7 +1731,7 @@ freePlanes(struct rgbPlanes const planes) { static unsigned char -compact(word const input) { +compact(Word const input) { return (input >> 8) & 0xff; } @@ -1913,41 +1917,49 @@ outputPpm(FILE * const ofP, * All data in version 2 is 2-byte word aligned. Odd size data * is padded with a null. */ -static word +static Word get_op(int const version) { if ((align & 1) && version == 2) { stage = "aligning for opcode"; - read_byte(); + readByte(); } stage = "reading opcode"; if (version == 1) - return read_byte(); + return readByte(); else - return read_word(); + return readWord(); } -static drawFn Clip; +static drawFn ClipRgn; static void -Clip(struct canvas * const canvasP, - blitList * const blitListP, - int const version) { +ClipRgn(struct canvas * const canvasP, + blitList * const blitListP, + int const version) { + + Word const len = readWord(); + /* Length in bytes of the parameter (including this word) */ - word len; + if (len == 10) { /* null rgn */ + /* Parameter is 2 bytes of length, 8 bytes of rectangle corners */ - len = read_word(); + /* In March 2011, I saw a supposed PICT file (reported to work with + Apple pictureViewer) with what looked like signed numbers for the + rectangle: (-32767,-32767), (32767, 32767). This code has always + assumed all words in a PICT are unsigned. But even when I changed + it to accept this clip rectangle, this program found the image to + have an invalid raster. + */ - if (len == 0x000a) { /* null rgn */ - read_rect(&clip_rect); + readRect(&clip_rect); /* XXX should clip this by picFrame */ if (verbose) dumpRect("clipping to", clip_rect); - } - else + } else skip(len - 2); } @@ -1960,31 +1972,31 @@ OpColor(struct canvas * const canvasP, blitList * const blitListP, int const version) { - op_color.red = read_word(); - op_color.grn = read_word(); - op_color.blu = read_word(); + op_color.red = readWord(); + op_color.grn = readWord(); + op_color.blu = readWord(); } static void -read_pixmap(struct pixMap * const p) { +readPixmap(struct pixMap * const p) { stage = "getting pixMap header"; - read_rect(&p->Bounds); - p->version = read_word(); - p->packType = read_word(); - p->packSize = read_long(); - p->hRes = read_long(); - p->vRes = read_long(); - p->pixelType = read_word(); - p->pixelSize = read_word(); - p->cmpCount = read_word(); - p->cmpSize = read_word(); - p->planeBytes = read_long(); - p->pmTable = read_long(); - p->pmReserved = read_long(); + readRect(&p->Bounds); + p->version = readWord(); + p->packType = readWord(); + p->packSize = readLong(); + p->hRes = readLong(); + p->vRes = readLong(); + p->pixelType = readWord(); + p->pixelSize = readWord(); + p->cmpCount = readWord(); + p->cmpSize = readWord(); + p->planeBytes = readLong(); + p->pmTable = readLong(); + p->pmReserved = readLong(); if (verbose) { pm_message("pixelType: %d", p->pixelType); @@ -2007,19 +2019,19 @@ read_pixmap(struct pixMap * const p) { static struct RGBColor* -read_color_table(void) { - longword ctSeed; - word ctFlags; - word ctSize; - word val; +readColorTable(void) { + Longword ctSeed; + Word ctFlags; + Word ctSize; + Word val; int i; struct RGBColor* color_table; stage = "getting color table info"; - ctSeed = read_long(); - ctFlags = read_word(); - ctSize = read_word(); + ctSeed = readLong(); + ctFlags = readWord(); + ctSize = readWord(); if (verbose) { pm_message("ctSeed: %ld", ctSeed); @@ -2034,7 +2046,7 @@ read_color_table(void) { pm_error("no memory for color table"); for (i = 0; i <= ctSize; i++) { - val = read_word(); + val = readWord(); /* The indices in a device color table are bogus and usually == 0. * so I assume we allocate up the list of colors in order. */ @@ -2042,9 +2054,9 @@ read_color_table(void) { val = i; if (val > ctSize) pm_error("pixel value greater than color table size"); - color_table[val].red = read_word(); - color_table[val].grn = read_word(); - color_table[val].blu = read_word(); + color_table[val].red = readWord(); + color_table[val].grn = readWord(); + color_table[val].blu = readWord(); if (verbose > 1) pm_message("Color %3u: [%u,%u,%u]", val, @@ -2531,7 +2543,7 @@ interpretCompressedLine(unsigned char * const linebuf, So with 200 being the cutoff, it's actually impossible to represent some 16 bpp images with 200 pixels per row. - We have not been able to find an offical spec for PICT. + We have not been able to find an official spec for PICT. Some day, we may have to make a user option for this. */ @@ -2573,9 +2585,9 @@ unpackCompressedBits(FILE * const ifP, unsigned int linelen; if (llsize == 2) - linelen = read_word(); + linelen = readWord(); else - linelen = read_byte(); + linelen = readByte(); reportValidateCompressedLineLen(row, linelen, raster.rowSize); @@ -2598,7 +2610,7 @@ unpackCompressedBits(FILE * const ifP, static void unpackbits(FILE * const ifP, struct Rect * const boundsP, - word const rowBytesArg, + Word const rowBytesArg, int const bitsPerPixel, struct raster * const rasterP) { @@ -2633,7 +2645,7 @@ unpackbits(FILE * const ifP, static void -interpretRowBytesWord(word const rowBytesWord, +interpretRowBytesWord(Word const rowBytesWord, bool * const pixMapP, unsigned int * const rowBytesP) { @@ -2651,13 +2663,13 @@ interpretRowBytesWord(word const rowBytesWord, * a pattern in the fabled complete version. */ static void -read_pattern(void) { +readPattern(void) { - word PatType; + Word PatType; stage = "Reading a pattern"; - PatType = read_word(); + PatType = readWord(); switch (PatType) { case 2: @@ -2665,7 +2677,7 @@ read_pattern(void) { skip(5); /* RGB for pattern */ break; case 1: { - word rowBytesWord; + Word rowBytesWord; bool pixMap; unsigned int rowBytes; struct pixMap p; @@ -2673,16 +2685,16 @@ read_pattern(void) { struct RGBColor * ct; skip(8); /* old pattern data */ - rowBytesWord = read_word(); + rowBytesWord = readWord(); interpretRowBytesWord(rowBytesWord, &pixMap, &rowBytes); - read_pixmap(&p); - ct = read_color_table(); + readPixmap(&p); + ct = readColorTable(); unpackbits(ifp, &p.Bounds, rowBytes, p.pixelSize, &raster); freeRaster(raster); free(ct); } break; default: - pm_error("unknown pattern type in read_pattern"); + pm_error("unknown pattern type in readPattern"); } } @@ -2697,7 +2709,7 @@ BkPixPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_pattern(); + readPattern(); } @@ -2709,7 +2721,7 @@ PnPixPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_pattern(); + readPattern(); } @@ -2721,13 +2733,13 @@ FillPixPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_pattern(); + readPattern(); } static void -read_8x8_pattern(struct Pattern * const pat) { +read8x8Pattern(struct Pattern * const pat) { unsigned char buf[8]; unsigned char * exp; unsigned int len; @@ -2756,7 +2768,7 @@ BkPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_8x8_pattern(&bkpat); + read8x8Pattern(&bkpat); } @@ -2768,7 +2780,7 @@ PnPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_8x8_pattern(&pen_pat); + read8x8Pattern(&pen_pat); } @@ -2780,7 +2792,7 @@ FillPat(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_8x8_pattern(&fillpat); + read8x8Pattern(&fillpat); } @@ -2792,8 +2804,8 @@ PnSize(struct canvas * const canvasP, blitList * const blitListP, int const version) { - pen_height = read_word(); - pen_width = read_word(); + pen_height = readWord(); + pen_width = readWord(); if (verbose) pm_message("pen size %d x %d", pen_width, pen_height); } @@ -2807,7 +2819,7 @@ PnMode(struct canvas * const canvasP, blitList * const blitListP, int const version) { - pen_mode = read_word(); + pen_mode = readWord(); if (pen_mode >= 8 && pen_mode < 15) pen_mode -= 8; @@ -2821,10 +2833,10 @@ PnMode(struct canvas * const canvasP, static void -read_rgb(struct RGBColor * const rgb) { - rgb->red = read_word(); - rgb->grn = read_word(); - rgb->blu = read_word(); +readRgb(struct RGBColor * const rgb) { + rgb->red = readWord(); + rgb->grn = readWord(); + rgb->blu = readWord(); } @@ -2836,7 +2848,7 @@ RGBFgCol(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_rgb(&foreground); + readRgb(&foreground); if (verbose) pm_message("foreground now [%d,%d,%d]", foreground.red, foreground.grn, foreground.blu); @@ -2851,7 +2863,7 @@ RGBBkCol(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_rgb(&background); + readRgb(&background); if (verbose) pm_message("background now [%d,%d,%d]", background.red, background.grn, background.blu); @@ -2869,7 +2881,7 @@ draw_pixel(struct canvas * const canvasP, transfer_func trf) { if (x < clip_rect.left || x >= clip_rect.right || - y < clip_rect.top || y >= clip_rect.bottom) { + y < clip_rect.top || y >= clip_rect.bottom) { } else { unsigned int const i = PIXEL_INDEX(x, y); @@ -3011,8 +3023,8 @@ Line(struct canvas * const canvasP, int const version) { struct Point p1; - read_point(&p1); - read_point(¤t); + readPoint(&p1); + readPoint(¤t); if (verbose) pm_message("(%d,%d) to (%d, %d)", p1.x,p1.y,current.x,current.y); @@ -3029,7 +3041,7 @@ LineFrom(struct canvas * const canvasP, int const version) { struct Point p1; - read_point(&p1); + readPoint(&p1); if (verbose) pm_message("(%d,%d) to (%d, %d)", current.x, current.y, p1.x, p1.y); @@ -3050,8 +3062,8 @@ ShortLine(struct canvas * const canvasP, int const version) { struct Point p1; - read_point(&p1); - read_short_point(¤t); + readPoint(&p1); + readShortPoint(¤t); if (verbose) pm_message("(%d,%d) delta (%d, %d)", p1.x, p1.y, current.x, current.y); current.x += p1.x; @@ -3071,7 +3083,7 @@ ShortLineFrom(struct canvas * const canvasP, int const version) { struct Point p1; - read_short_point(&p1); + readShortPoint(&p1); if (verbose) pm_message("(%d,%d) delta (%d, %d)", current.x,current.y,p1.x,p1.y); @@ -3108,7 +3120,7 @@ paintRect(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_rect(&cur_rect); + readRect(&cur_rect); if (!blitListP) do_paintRect(canvasP, cur_rect); } @@ -3159,7 +3171,7 @@ frameRect(struct canvas * const canvasP, blitList * const blitListP, int const version) { - read_rect(&cur_rect); + readRect(&cur_rect); if (!blitListP) do_frameRect(canvasP, cur_rect); } @@ -3179,7 +3191,7 @@ frameSameRect(struct canvas * const canvasP, -/* a stupid shell sort - I'm so embarassed */ +/* a stupid shell sort - I'm so embarrassed */ static void poly_sort(int const sort_index, struct Point points[]) { @@ -3326,11 +3338,11 @@ paintPoly(struct canvas * const canvasP, struct Rect bb; struct Point pts[100]; - int i, np = (read_word() - 10) >> 2; + int i, np = (readWord() - 10) >> 2; - read_rect(&bb); + readRect(&bb); for (i=0; i<np; ++i) - read_point(&pts[i]); + readPoint(&pts[i]); /* scan convert poly ... */ if (!blitListP) @@ -3346,7 +3358,7 @@ PnLocHFrac(struct canvas * const canvasP, blitList * const blitListP, int const version) { - word frac = read_word(); + Word frac = readWord(); if (verbose) pm_message("PnLocHFrac = %d", frac); @@ -3361,7 +3373,7 @@ TxMode(struct canvas * const canvasP, blitList * const blitListP, int const version) { - text_mode = read_word(); + text_mode = readWord(); if (text_mode >= 8 && text_mode < 15) text_mode -= 8; @@ -3382,7 +3394,7 @@ TxFont(struct canvas * const canvasP, blitList * const blitListP, int const version) { - text_font = read_word(); + text_font = readWord(); if (verbose) pm_message("text font %s", const_name(font_name, text_font)); } @@ -3396,7 +3408,7 @@ TxFace(struct canvas * const canvasP, blitList * const blitListP, int const version) { - text_face = read_byte(); + text_face = readByte(); if (verbose) pm_message("text face %d", text_face); } @@ -3410,7 +3422,7 @@ TxSize(struct canvas * const canvasP, blitList * const blitListP, int const version) { - text_size = read_word(); + text_size = readWord(); if (verbose) pm_message("text size %d", text_size); } @@ -3420,7 +3432,7 @@ TxSize(struct canvas * const canvasP, static void skip_text(blitList * const blitListP) { - skip(read_byte()); + skip(readByte()); blitListP->unblittableText = true; } @@ -3504,11 +3516,11 @@ rotate(int * const x, static void do_ps_text(struct canvas * const canvasP, - word const tx, - word const ty) { + Word const tx, + Word const ty) { int len, width, i, w, h, x, y, rx, ry, o; - byte str[256], ch; + Byte str[256], ch; struct glyph* glyph; current.x = tx; @@ -3520,12 +3532,12 @@ do_ps_text(struct canvas * const canvasP, ps_cent_set = 1; } - len = read_byte(); + len = readByte(); /* XXX this width calculation is not completely correct */ width = 0; for (i = 0; i < len; i++) { - ch = str[i] = read_byte(); + ch = str[i] = readByte(); if (tfont->glyph[ch]) width += tfont->glyph[ch]->xadd; } @@ -3574,8 +3586,8 @@ do_ps_text(struct canvas * const canvasP, static void do_text(struct canvas * const canvasP, blitList * const blitListP, - word const startx, - word const starty) { + Word const startx, + Word const starty) { if (blitListP) skip_text(blitListP); @@ -3587,12 +3599,12 @@ do_text(struct canvas * const canvasP, do_ps_text(canvasP, startx, starty); else { int len; - word x, y; + Word x, y; x = startx; y = starty; - for (len = read_byte(); len > 0; --len) { - struct glyph* const glyph = tfont->glyph[read_byte()]; + for (len = readByte(); len > 0; --len) { + struct glyph* const glyph = tfont->glyph[readByte()]; if (glyph) { int dy; int h; @@ -3628,7 +3640,7 @@ LongText(struct canvas * const canvasP, struct Point p; - read_point(&p); + readPoint(&p); do_text(canvasP, blitListP, p.x, p.y); } @@ -3642,7 +3654,7 @@ DHText(struct canvas * const canvasP, blitList * const blitListP, int const version) { - current.x += read_byte(); + current.x += readByte(); do_text(canvasP, blitListP, current.x, current.y); } @@ -3656,7 +3668,7 @@ DVText(struct canvas * const canvasP, blitList * const blitListP, int const version) { - current.y += read_byte(); + current.y += readByte(); do_text(canvasP, blitListP, current.x, current.y); } @@ -3669,10 +3681,10 @@ static void DHDVText(struct canvas * const canvasP, blitList * const blitListP, int const version) { - byte dh, dv; + Byte dh, dv; - dh = read_byte(); - dv = read_byte(); + dh = readByte(); + dv = readByte(); if (verbose) pm_message("dh, dv = %d, %d", dh, dv); @@ -3686,7 +3698,7 @@ DHDVText(struct canvas * const canvasP, /* - * This could use read_pixmap, but I'm too lazy to hack read_pixmap. + * This could use readPixmap, but I'm too lazy to hack readPixmap. */ static void @@ -3699,36 +3711,36 @@ directBits(struct canvas * const canvasP, struct Rect srcRect; struct Rect dstRect; struct raster raster; - word mode; + Word mode; unsigned int rectWidth; /* skip fake len, and fake EOF */ skip(4); /* Ptr baseAddr == 0x000000ff */ - read_word(); /* version */ - read_rect(&p.Bounds); + readWord(); /* version */ + readRect(&p.Bounds); rectWidth = p.Bounds.right - p.Bounds.left; - p.packType = read_word(); - p.packSize = read_long(); - p.hRes = read_long(); - p.vRes = read_long(); - p.pixelType = read_word(); - p.pixelSize = read_word(); - p.pixelSize = read_word(); /* XXX twice??? */ - p.cmpCount = read_word(); - p.cmpSize = read_word(); - p.planeBytes = read_long(); - p.pmTable = read_long(); - p.pmReserved = read_long(); - - read_rect(&srcRect); + p.packType = readWord(); + p.packSize = readLong(); + p.hRes = readLong(); + p.vRes = readLong(); + p.pixelType = readWord(); + p.pixelSize = readWord(); + p.pixelSize = readWord(); /* XXX twice??? */ + p.cmpCount = readWord(); + p.cmpSize = readWord(); + p.planeBytes = readLong(); + p.pmTable = readLong(); + p.pmReserved = readLong(); + + readRect(&srcRect); if (verbose) dumpRect("source rectangle:", srcRect); - read_rect(&dstRect); + readRect(&dstRect); if (verbose) dumpRect("destination rectangle:", dstRect); - mode = read_word(); + mode = readWord(); if (verbose) pm_message("transfer mode = %s", const_name(transfer_name, mode)); @@ -3776,38 +3788,38 @@ static void do_pixmap(struct canvas * const canvasP, blitList * const blitListP, int const version, - word const rowBytes, + Word const rowBytes, int const is_region) { /*---------------------------------------------------------------------------- Do a paletted image. -----------------------------------------------------------------------------*/ - word mode; + Word mode; struct pixMap p; struct raster raster; struct RGBColor * color_table; struct Rect srcRect; struct Rect dstRect; - read_pixmap(&p); + readPixmap(&p); if (verbose) pm_message("%u x %u paletted image", p.Bounds.right - p.Bounds.left, p.Bounds.bottom - p.Bounds.top); - color_table = read_color_table(); + color_table = readColorTable(); - read_rect(&srcRect); + readRect(&srcRect); if (verbose) dumpRect("source rectangle:", srcRect); - read_rect(&dstRect); + readRect(&dstRect); if (verbose) dumpRect("destination rectangle:", dstRect); - mode = read_word(); + mode = readWord(); if (verbose) pm_message("transfer mode = %s", const_name(transfer_name, mode)); @@ -3843,7 +3855,7 @@ do_bitmap(FILE * const ifP, struct Rect Bounds; struct Rect srcRect; struct Rect dstRect; - word mode; + Word mode; struct raster raster; /* This raster contains padding on the right to make a multiple of 16 pixels per row. @@ -3851,10 +3863,10 @@ do_bitmap(FILE * const ifP, static struct RGBColor color_table[] = { {65535L, 65535L, 65535L}, {0, 0, 0} }; - read_rect(&Bounds); - read_rect(&srcRect); - read_rect(&dstRect); - mode = read_word(); + readRect(&Bounds); + readRect(&srcRect); + readRect(&dstRect); + mode = readWord(); if (verbose) pm_message("transfer mode = %s", const_name(transfer_name, mode)); @@ -3880,12 +3892,12 @@ BitsRect(struct canvas * const canvasP, blitList * const blitListP, int const version) { - word rowBytesWord; + Word rowBytesWord; bool pixMap; unsigned int rowBytes; stage = "Reading rowBytes word for bitsrect"; - rowBytesWord = read_word(); + rowBytesWord = readWord(); interpretRowBytesWord(rowBytesWord, &pixMap, &rowBytes); @@ -3904,12 +3916,12 @@ BitsRegion(struct canvas * const canvasP, blitList * const blitListP, int const version) { - word rowBytesWord; + Word rowBytesWord; bool pixMap; unsigned int rowBytes; stage = "Reading rowBytes for bitsregion"; - rowBytesWord = read_word(); + rowBytesWord = readWord(); interpretRowBytesWord(rowBytesWord, &pixMap, &rowBytes); @@ -3927,7 +3939,7 @@ BitsRegion(struct canvas * const canvasP, */ static struct opdef const optable[] = { /* 0x00 */ { "NOP", 0, NULL, "nop" }, -/* 0x01 */ { "Clip", NA, Clip, "clip" }, +/* 0x01 */ { "ClipRgn", NA, ClipRgn, "clip region" }, /* 0x02 */ { "BkPat", 8, BkPat, "background pattern" }, /* 0x03 */ { "TxFont", 2, TxFont, "text font (word)" }, /* 0x04 */ { "TxFace", 1, TxFace, "text face (byte)" }, @@ -3949,9 +3961,9 @@ static struct opdef const optable[] = { /* 0x14 */ { "FillPixPat", NA, FillPixPat, "color fill pattern" }, /* 0x15 */ { "PnLocHFrac", 2, PnLocHFrac, "fractional pen position" }, /* 0x16 */ { "ChExtra", 2, NULL, "extra for each character" }, -/* 0x17 */ res(0), -/* 0x18 */ res(0), -/* 0x19 */ res(0), +/* 0x17 */ RESERVED_OP(0), +/* 0x18 */ RESERVED_OP(0), +/* 0x19 */ RESERVED_OP(0), /* 0x1a */ { "RGBFgCol", RGB_LEN, RGBFgCol, "RGB foreColor" }, /* 0x1b */ { "RGBBkCol", RGB_LEN, RGBBkCol, "RGB backColor" }, /* 0x1c */ { "HiliteMode", 0, NULL, "hilite mode flag" }, @@ -3963,134 +3975,134 @@ static struct opdef const optable[] = { /* 0x22 */ { "ShortLine", 6, ShortLine, "pnLoc (point, dh, dv (-128 .. 127))" }, /* 0x23 */ { "ShortLineFrom", 2, ShortLineFrom, "dh, dv (-128 .. 127)" }, -/* 0x24 */ res(WORD_LEN), -/* 0x25 */ res(WORD_LEN), -/* 0x26 */ res(WORD_LEN), -/* 0x27 */ res(WORD_LEN), +/* 0x24 */ RESERVED_OP(WORD_LEN), +/* 0x25 */ RESERVED_OP(WORD_LEN), +/* 0x26 */ RESERVED_OP(WORD_LEN), +/* 0x27 */ RESERVED_OP(WORD_LEN), /* 0x28 */ { "LongText", NA, LongText, "txLoc (point), count (0..255), text" }, /* 0x29 */ { "DHText", NA, DHText, "dh (0..255), count (0..255), text" }, /* 0x2a */ { "DVText", NA, DVText, "dv (0..255), count (0..255), text" }, /* 0x2b */ { "DHDVText", NA, DHDVText, "dh, dv (0..255), count (0..255), text" }, -/* 0x2c */ res(WORD_LEN), -/* 0x2d */ res(WORD_LEN), -/* 0x2e */ res(WORD_LEN), -/* 0x2f */ res(WORD_LEN), +/* 0x2c */ RESERVED_OP(WORD_LEN), +/* 0x2d */ RESERVED_OP(WORD_LEN), +/* 0x2e */ RESERVED_OP(WORD_LEN), +/* 0x2f */ RESERVED_OP(WORD_LEN), /* 0x30 */ { "frameRect", 8, frameRect, "rect" }, /* 0x31 */ { "paintRect", 8, paintRect, "rect" }, /* 0x32 */ { "eraseRect", 8, NULL, "rect" }, /* 0x33 */ { "invertRect", 8, NULL, "rect" }, /* 0x34 */ { "fillRect", 8, NULL, "rect" }, -/* 0x35 */ res(8), -/* 0x36 */ res(8), -/* 0x37 */ res(8), +/* 0x35 */ RESERVED_OP(8), +/* 0x36 */ RESERVED_OP(8), +/* 0x37 */ RESERVED_OP(8), /* 0x38 */ { "frameSameRect", 0, frameSameRect, "rect" }, /* 0x39 */ { "paintSameRect", 0, paintSameRect, "rect" }, /* 0x3a */ { "eraseSameRect", 0, NULL, "rect" }, /* 0x3b */ { "invertSameRect", 0, NULL, "rect" }, /* 0x3c */ { "fillSameRect", 0, NULL, "rect" }, -/* 0x3d */ res(0), -/* 0x3e */ res(0), -/* 0x3f */ res(0), +/* 0x3d */ RESERVED_OP(0), +/* 0x3e */ RESERVED_OP(0), +/* 0x3f */ RESERVED_OP(0), /* 0x40 */ { "frameRRect", 8, NULL, "rect" }, /* 0x41 */ { "paintRRect", 8, NULL, "rect" }, /* 0x42 */ { "eraseRRect", 8, NULL, "rect" }, /* 0x43 */ { "invertRRect", 8, NULL, "rect" }, /* 0x44 */ { "fillRRrect", 8, NULL, "rect" }, -/* 0x45 */ res(8), -/* 0x46 */ res(8), -/* 0x47 */ res(8), +/* 0x45 */ RESERVED_OP(8), +/* 0x46 */ RESERVED_OP(8), +/* 0x47 */ RESERVED_OP(8), /* 0x48 */ { "frameSameRRect", 0, NULL, "rect" }, /* 0x49 */ { "paintSameRRect", 0, NULL, "rect" }, /* 0x4a */ { "eraseSameRRect", 0, NULL, "rect" }, /* 0x4b */ { "invertSameRRect", 0, NULL, "rect" }, /* 0x4c */ { "fillSameRRect", 0, NULL, "rect" }, -/* 0x4d */ res(0), -/* 0x4e */ res(0), -/* 0x4f */ res(0), +/* 0x4d */ RESERVED_OP(0), +/* 0x4e */ RESERVED_OP(0), +/* 0x4f */ RESERVED_OP(0), /* 0x50 */ { "frameOval", 8, NULL, "rect" }, /* 0x51 */ { "paintOval", 8, NULL, "rect" }, /* 0x52 */ { "eraseOval", 8, NULL, "rect" }, /* 0x53 */ { "invertOval", 8, NULL, "rect" }, /* 0x54 */ { "fillOval", 8, NULL, "rect" }, -/* 0x55 */ res(8), -/* 0x56 */ res(8), -/* 0x57 */ res(8), +/* 0x55 */ RESERVED_OP(8), +/* 0x56 */ RESERVED_OP(8), +/* 0x57 */ RESERVED_OP(8), /* 0x58 */ { "frameSameOval", 0, NULL, "rect" }, /* 0x59 */ { "paintSameOval", 0, NULL, "rect" }, /* 0x5a */ { "eraseSameOval", 0, NULL, "rect" }, /* 0x5b */ { "invertSameOval", 0, NULL, "rect" }, /* 0x5c */ { "fillSameOval", 0, NULL, "rect" }, -/* 0x5d */ res(0), -/* 0x5e */ res(0), -/* 0x5f */ res(0), +/* 0x5d */ RESERVED_OP(0), +/* 0x5e */ RESERVED_OP(0), +/* 0x5f */ RESERVED_OP(0), /* 0x60 */ { "frameArc", 12, NULL, "rect, startAngle, arcAngle" }, /* 0x61 */ { "paintArc", 12, NULL, "rect, startAngle, arcAngle" }, /* 0x62 */ { "eraseArc", 12, NULL, "rect, startAngle, arcAngle" }, /* 0x63 */ { "invertArc", 12, NULL, "rect, startAngle, arcAngle" }, /* 0x64 */ { "fillArc", 12, NULL, "rect, startAngle, arcAngle" }, -/* 0x65 */ res(12), -/* 0x66 */ res(12), -/* 0x67 */ res(12), +/* 0x65 */ RESERVED_OP(12), +/* 0x66 */ RESERVED_OP(12), +/* 0x67 */ RESERVED_OP(12), /* 0x68 */ { "frameSameArc", 4, NULL, "rect, startAngle, arcAngle" }, /* 0x69 */ { "paintSameArc", 4, NULL, "rect, startAngle, arcAngle" }, /* 0x6a */ { "eraseSameArc", 4, NULL, "rect, startAngle, arcAngle" }, /* 0x6b */ { "invertSameArc", 4, NULL, "rect, startAngle, arcAngle" }, /* 0x6c */ { "fillSameArc", 4, NULL, "rect, startAngle, arcAngle" }, -/* 0x6d */ res(4), -/* 0x6e */ res(4), -/* 0x6f */ res(4), +/* 0x6d */ RESERVED_OP(4), +/* 0x6e */ RESERVED_OP(4), +/* 0x6f */ RESERVED_OP(4), /* 0x70 */ { "framePoly", NA, skip_poly_or_region, "poly" }, /* 0x71 */ { "paintPoly", NA, paintPoly, "poly" }, /* 0x72 */ { "erasePoly", NA, skip_poly_or_region, "poly" }, /* 0x73 */ { "invertPoly", NA, skip_poly_or_region, "poly" }, /* 0x74 */ { "fillPoly", NA, skip_poly_or_region, "poly" }, -/* 0x75 */ resf(skip_poly_or_region), -/* 0x76 */ resf(skip_poly_or_region), -/* 0x77 */ resf(skip_poly_or_region), +/* 0x75 */ RESERVED_OP_F(skip_poly_or_region), +/* 0x76 */ RESERVED_OP_F(skip_poly_or_region), +/* 0x77 */ RESERVED_OP_F(skip_poly_or_region), /* 0x78 */ { "frameSamePoly", 0, NULL, "poly (NYI)" }, /* 0x79 */ { "paintSamePoly", 0, NULL, "poly (NYI)" }, /* 0x7a */ { "eraseSamePoly", 0, NULL, "poly (NYI)" }, /* 0x7b */ { "invertSamePoly", 0, NULL, "poly (NYI)" }, /* 0x7c */ { "fillSamePoly", 0, NULL, "poly (NYI)" }, -/* 0x7d */ res(0), -/* 0x7e */ res(0), -/* 0x7f */ res(0), +/* 0x7d */ RESERVED_OP(0), +/* 0x7e */ RESERVED_OP(0), +/* 0x7f */ RESERVED_OP(0), /* 0x80 */ { "frameRgn", NA, skip_poly_or_region, "region" }, /* 0x81 */ { "paintRgn", NA, skip_poly_or_region, "region" }, /* 0x82 */ { "eraseRgn", NA, skip_poly_or_region, "region" }, /* 0x83 */ { "invertRgn", NA, skip_poly_or_region, "region" }, /* 0x84 */ { "fillRgn", NA, skip_poly_or_region, "region" }, -/* 0x85 */ resf(skip_poly_or_region), -/* 0x86 */ resf(skip_poly_or_region), -/* 0x87 */ resf(skip_poly_or_region), +/* 0x85 */ RESERVED_OP_F(skip_poly_or_region), +/* 0x86 */ RESERVED_OP_F(skip_poly_or_region), +/* 0x87 */ RESERVED_OP_F(skip_poly_or_region), /* 0x88 */ { "frameSameRgn", 0, NULL, "region (NYI)" }, /* 0x89 */ { "paintSameRgn", 0, NULL, "region (NYI)" }, /* 0x8a */ { "eraseSameRgn", 0, NULL, "region (NYI)" }, /* 0x8b */ { "invertSameRgn", 0, NULL, "region (NYI)" }, /* 0x8c */ { "fillSameRgn", 0, NULL, "region (NYI)" }, -/* 0x8d */ res(0), -/* 0x8e */ res(0), -/* 0x8f */ res(0), +/* 0x8d */ RESERVED_OP(0), +/* 0x8e */ RESERVED_OP(0), +/* 0x8f */ RESERVED_OP(0), /* 0x90 */ { "BitsRect", NA, BitsRect, "copybits, rect clipped" }, /* 0x91 */ { "BitsRgn", NA, BitsRegion, "copybits, rgn clipped" }, -/* 0x92 */ res(WORD_LEN), -/* 0x93 */ res(WORD_LEN), -/* 0x94 */ res(WORD_LEN), -/* 0x95 */ res(WORD_LEN), -/* 0x96 */ res(WORD_LEN), -/* 0x97 */ res(WORD_LEN), +/* 0x92 */ RESERVED_OP(WORD_LEN), +/* 0x93 */ RESERVED_OP(WORD_LEN), +/* 0x94 */ RESERVED_OP(WORD_LEN), +/* 0x95 */ RESERVED_OP(WORD_LEN), +/* 0x96 */ RESERVED_OP(WORD_LEN), +/* 0x97 */ RESERVED_OP(WORD_LEN), /* 0x98 */ { "PackBitsRect", NA, BitsRect, "packed copybits, rect clipped" }, /* 0x99 */ { "PackBitsRgn", NA, BitsRegion, "packed copybits, rgn clipped" }, /* 0x9a */ { "DirectBitsRect", NA, DirectBitsRect, "PixMap, srcRect, dstRect, int copymode, PixData" }, /* 0x9b */ { "DirectBitsRgn", NA, DirectBitsRgn, "PixMap, srcRect, dstRect, int copymode, maskRgn, PixData" }, -/* 0x9c */ res(WORD_LEN), -/* 0x9d */ res(WORD_LEN), -/* 0x9e */ res(WORD_LEN), -/* 0x9f */ res(WORD_LEN), +/* 0x9c */ RESERVED_OP(WORD_LEN), +/* 0x9d */ RESERVED_OP(WORD_LEN), +/* 0x9e */ RESERVED_OP(WORD_LEN), +/* 0x9f */ RESERVED_OP(WORD_LEN), /* 0xa0 */ { "ShortComment", 2, ShortComment, "kind (word)" }, /* 0xa1 */ { "LongComment", NA, LongComment, "kind (word), size (word), data" } @@ -4099,7 +4111,7 @@ static struct opdef const optable[] = { static void -processOpcode(word const opcode, +processOpcode(Word const opcode, struct canvas * const canvasP, blitList * const blitListP, unsigned int const version) { @@ -4118,13 +4130,14 @@ processOpcode(word const opcode, else if (optable[opcode].len >= 0) skip(optable[opcode].len); else { + /* It's a special length code */ switch (optable[opcode].len) { case WORD_LEN: { - word const len = read_word(); + Word const len = readWord(); skip(len); - } break; + } break; default: - pm_error("can't do length %u", optable[opcode].len); + pm_error("can't do length %d", optable[opcode].len); } } } else if (opcode == 0xc00) { @@ -4136,7 +4149,7 @@ processOpcode(word const opcode, stage = "skipping reserved"; if (verbose) pm_message("%s 0x%x", stage, opcode); - skip(read_word()); + skip(readWord()); } else if (opcode >= 0xb0 && opcode <= 0xcf) { /* just a reserved opcode, no data */ if (verbose) @@ -4145,21 +4158,21 @@ processOpcode(word const opcode, stage = "skipping reserved"; if (verbose) pm_message("%s 0x%x", stage, opcode); - skip(read_long()); + skip(readLong()); } else if (opcode >= 0x100 && opcode <= 0x7fff) { stage = "skipping reserved"; if (verbose) pm_message("%s 0x%x", stage, opcode); skip((opcode >> 7) & 255); } else if (opcode >= 0x8000 && opcode <= 0x80ff) { - /* just a reserved opcode */ + /* just a reserved opcode, no data */ if (verbose) pm_message("reserved 0x%x", opcode); } else if (opcode >= 0x8100) { stage = "skipping reserved"; if (verbose) pm_message("%s 0x%x", stage, opcode); - skip(read_long()); + skip(readLong()); } else pm_error("This program does not understand opcode 0x%04x", opcode); } @@ -4167,13 +4180,13 @@ processOpcode(word const opcode, static void -interpret_pict(FILE * const ofP) { +interpretPict(FILE * const ofP) { - byte ch; - word picSize; - word opcode; + Byte ch; + Word picSize; + Word opcode; unsigned int version; - int i; + unsigned int i; struct canvas canvas; blitList blitList; @@ -4188,13 +4201,13 @@ interpret_pict(FILE * const ofP) { text_trf = transfer(text_mode); stage = "Reading picture size"; - picSize = read_word(); + picSize = readWord(); if (verbose) pm_message("picture size = %u (0x%x)", picSize, picSize); stage = "reading picture frame"; - read_rect(&picFrame); + readRect(&picFrame); if (verbose) { dumpRect("Picture frame:", picFrame); @@ -4212,18 +4225,18 @@ interpret_pict(FILE * const ofP) { clip_rect = picFrame; } - while ((ch = read_byte()) == 0) + while ((ch = readByte()) == 0) ; if (ch != 0x11) pm_error("No version number"); - version = read_byte(); + version = readByte(); switch (version) { case 1: break; case 2: { - unsigned char const subcode = read_byte(); + unsigned char const subcode = readByte(); if (subcode != 0xff) pm_error("The only Version 2 PICT images this program " "undertands are subcode 0xff. This image has " @@ -4322,7 +4335,7 @@ main(int argc, char * argv[]) { skip(512); } - interpret_pict(stdout); + interpretPict(stdout); pm_close(stdout); |