static void gd_end_graph_to_file(void) { /* * Windows will do \n -> \r\n translations on stdout unless told otherwise. */ #ifdef HAVE_SETMODE #ifdef O_BINARY setmode(fileno(Output_file), O_BINARY); #endif #endif /* * Write IM to OUTFILE as a JFIF-formatted JPEG image, using quality * JPEG_QUALITY. If JPEG_QUALITY is in the range 0-100, increasing values * represent higher quality but also larger image size. If JPEG_QUALITY is * negative, the IJG JPEG library's default quality is used (which * should be near optimal for many applications). See the IJG JPEG * library documentation for more details. */ #define JPEG_QUALITY -1 if (Output_lang == GD) { gdImageGd(im, Output_file); #ifdef HAVE_LIBZ } else if (Output_lang == GD2) { #define GD2_CHUNKSIZE 128 #define GD2_RAW 1 #define GD2_COMPRESSED 2 gdImageGd2(im, Output_file, GD2_CHUNKSIZE, GD2_COMPRESSED); #endif #ifdef WITH_GIF } else if (Output_lang == GIF) { gdImageGif(im, Output_file); #endif #ifdef HAVE_LIBPNG #ifdef HAVE_LIBZ } else if (Output_lang == PNG) { gdImagePng(im, Output_file); #endif #endif #ifdef HAVE_LIBJPEG } else if (Output_lang == JPEG) { gdImageJpeg(im, Output_file, JPEG_QUALITY); #endif } else if (Output_lang == WBMP) { /* Use black for the foreground color for the B&W wbmp image. */ gdImageWBMP(im, black, Output_file); #ifdef HAVE_LIBXPM } else if (Output_lang == XBM) { gdImageXbm(im, Output_file); #endif } if (ImageDict) { dtclose(ImageDict); ImageDict = 0; } gdImageDestroy(im); #ifdef MYTRACE fprintf(stderr,"gd_end_graph_to_file\n"); #endif }
/* ------------------------------------------------------------------------ */ void out_err( int IMGWIDTH, int IMGHEIGHT, FILE *fptr, unsigned long BGColor, unsigned long LineColor, char *err_str ) { gdImagePtr im; int lineclr; int bgclr; if( (GDC_hold_img & GDC_REUSE_IMAGE) && GDC_image != (void*)NULL ) im = GDC_image; else im = gdImageCreate( IMGWIDTH, IMGHEIGHT ); bgclr = gdImageColorAllocate( im, l2gdcal(BGColor) ); lineclr = gdImageColorAllocate( im, l2gdcal(LineColor) ); gdImageString( im, gdFontMediumBold, IMGWIDTH/2 - GDC_fontc[GDC_MEDBOLD].w*strlen(err_str)/2, IMGHEIGHT/3, (unsigned char*)err_str, lineclr ); /* usually GDC_generate_img is used in conjunction with hard or hold options */ if( GDC_generate_img ) { fflush(fptr); /* clear anything buffered */ switch( GDC_image_type ) { #ifdef HAVE_JPEG case GDC_JPEG: gdImageJpeg( im, fptr, GDC_jpeg_quality ); break; #endif case GDC_WBMP: gdImageWBMP( im, lineclr, fptr ); break; case GDC_GIF: gdImageGif( im, fptr); break; case GDC_PNG: default: gdImagePng( im, fptr ); } } if( GDC_hold_img & GDC_EXPOSE_IMAGE ) GDC_image = (void*)im; else gdImageDestroy(im); return; }
int main (int argc, char **argv) { #ifdef HAVE_LIBPNG gdImagePtr im, ref, im2, im3; FILE *in, *out; void *iptr; int sz; char of[256]; int colRed, colBlu; gdSource imgsrc; gdSink imgsnk; int foreground; int i; if (argc != 2) { fprintf (stderr, "Usage: gdtest filename.png\n"); exit (1); } in = fopen (argv[1], "rb"); if (!in) { fprintf (stderr, "Input file does not exist!\n"); exit (1); } im = gdImageCreateFromPng (in); rewind (in); ref = gdImageCreateFromPng (in); fclose (in); printf ("Reference File has %d Palette entries\n", ref->colorsTotal); CompareImages ("Initial Versions", ref, im); /* */ /* Send to PNG File then Ptr */ /* */ #ifdef VMS sprintf (of, "%s-png", argv[1]); #else sprintf (of, "%s.png", argv[1]); #endif out = fopen (of, "wb"); gdImagePng (im, out); fclose (out); in = fopen (of, "rb"); if (!in) { fprintf (stderr, "PNG Output file does not exist!\n"); exit (1); } im2 = gdImageCreateFromPng (in); fclose (in); CompareImages ("GD->PNG File->GD", ref, im2); unlink (of); gdImageDestroy (im2); /* 2.0.21: use the new From*Ptr functions */ iptr = gdImagePngPtr (im, &sz); im2 = gdImageCreateFromPngPtr (sz, iptr); gdFree (iptr); CompareImages ("GD->PNG ptr->GD", ref, im2); gdImageDestroy (im2); /* */ /* Send to GD2 File then Ptr */ /* */ #ifdef VMS sprintf (of, "%s-gd2", argv[1]); #else sprintf (of, "%s.gd2", argv[1]); #endif out = fopen (of, "wb"); gdImageGd2 (im, out, 128, 2); fclose (out); in = fopen (of, "rb"); if (!in) { fprintf (stderr, "GD2 Output file does not exist!\n"); exit (1); } im2 = gdImageCreateFromGd2 (in); fclose (in); CompareImages ("GD->GD2 File->GD", ref, im2); unlink (of); gdImageDestroy (im2); iptr = gdImageGd2Ptr (im, 128, 2, &sz); /*printf("Got ptr %d (size %d)\n",iptr, sz); */ im2 = gdImageCreateFromGd2Ptr (sz, iptr); gdFree (iptr); /*printf("Got img2 %d\n",im2); */ CompareImages ("GD->GD2 ptr->GD", ref, im2); gdImageDestroy (im2); /* */ /* Send to GD File then Ptr */ /* */ #ifdef VMS sprintf (of, "%s-gd", argv[1]); #else sprintf (of, "%s.gd", argv[1]); #endif out = fopen (of, "wb"); gdImageGd (im, out); fclose (out); in = fopen (of, "rb"); if (!in) { fprintf (stderr, "GD Output file does not exist!\n"); exit (1); } im2 = gdImageCreateFromGd (in); fclose (in); CompareImages ("GD->GD File->GD", ref, im2); unlink (of); gdImageDestroy (im2); iptr = gdImageGdPtr (im, &sz); /*printf("Got ptr %d (size %d)\n",iptr, sz); */ im2 = gdImageCreateFromGdPtr (sz, iptr); gdFree (iptr); /*printf("Got img2 %d\n",im2); */ CompareImages ("GD->GD ptr->GD", ref, im2); gdImageDestroy (im2); /* * Test gdImageCreateFromPngSource' */ in = fopen (argv[1], "rb"); imgsrc.source = freadWrapper; imgsrc.context = in; im2 = gdImageCreateFromPngSource (&imgsrc); fclose (in); if (im2 == NULL) { printf ("GD Source: ERROR Null returned by gdImageCreateFromPngSource\n"); } else { CompareImages ("GD Source", ref, im2); gdImageDestroy (im2); }; /* * Test gdImagePngToSink' */ #ifdef VMS sprintf (of, "%s-snk", argv[1]); #else sprintf (of, "%s.snk", argv[1]); #endif out = fopen (of, "wb"); imgsnk.sink = fwriteWrapper; imgsnk.context = out; gdImagePngToSink (im, &imgsnk); fclose (out); in = fopen (of, "rb"); if (!in) { fprintf (stderr, "GD Sink: ERROR - GD Sink Output file does not exist!\n"); } else { im2 = gdImageCreateFromPng (in); fclose (in); CompareImages ("GD Sink", ref, im2); gdImageDestroy (im2); }; unlink (of); /* */ /* Test Extraction */ /* */ in = fopen ("test/gdtest_200_300_150_100.png", "rb"); if (!in) { fprintf (stderr, "gdtest_200_300_150_100.png does not exist!\n"); exit (1); } im2 = gdImageCreateFromPng (in); fclose (in); in = fopen ("test/gdtest.gd2", "rb"); if (!in) { fprintf (stderr, "gdtest.gd2 does not exist!\n"); exit (1); } im3 = gdImageCreateFromGd2Part (in, 200, 300, 150, 100); fclose (in); CompareImages ("GD2Part (gdtest_200_300_150_100.png, gdtest.gd2(part))", im2, im3); gdImageDestroy (im2); gdImageDestroy (im3); /* */ /* Copy Blend */ /* */ in = fopen ("test/gdtest.png", "rb"); if (!in) { fprintf (stderr, "gdtest.png does not exist!\n"); exit (1); } im2 = gdImageCreateFromPng (in); fclose (in); im3 = gdImageCreate (100, 60); colRed = gdImageColorAllocate (im3, 255, 0, 0); colBlu = gdImageColorAllocate (im3, 0, 0, 255); gdImageFilledRectangle (im3, 0, 0, 49, 30, colRed); gdImageFilledRectangle (im3, 50, 30, 99, 59, colBlu); gdImageCopyMerge (im2, im3, 150, 200, 10, 10, 90, 50, 50); gdImageCopyMerge (im2, im3, 180, 70, 10, 10, 90, 50, 50); gdImageCopyMergeGray (im2, im3, 250, 160, 10, 10, 90, 50, 50); gdImageCopyMergeGray (im2, im3, 80, 70, 10, 10, 90, 50, 50); gdImageDestroy (im3); in = fopen ("test/gdtest_merge.png", "rb"); if (!in) { fprintf (stderr, "gdtest_merge.png does not exist!\n"); exit (1); } im3 = gdImageCreateFromPng (in); fclose (in); printf ("[Merged Image has %d colours]\n", im2->colorsTotal); CompareImages ("Merged (gdtest.png, gdtest_merge.png)", im2, im3); gdImageDestroy (im2); gdImageDestroy (im3); #ifdef HAVE_LIBJPEG out = fopen ("test/gdtest.jpg", "wb"); if (!out) { fprintf (stderr, "Can't create file test/gdtest.jpg.\n"); exit (1); } gdImageJpeg (im, out, -1); fclose (out); in = fopen ("test/gdtest.jpg", "rb"); if (!in) { fprintf (stderr, "Can't open file test/gdtest.jpg.\n"); exit (1); } im2 = gdImageCreateFromJpeg (in); fclose (in); if (!im2) { fprintf (stderr, "gdImageCreateFromJpeg failed.\n"); exit (1); } gdImageDestroy (im2); printf ("Created test/gdtest.jpg successfully. Compare this image\n" "to the input image manually. Some difference must be\n" "expected as JPEG is a lossy file format.\n"); #endif /* HAVE_LIBJPEG */ /* Assume the color closest to black is the foreground color for the B&W wbmp image. */ fprintf (stderr, "NOTE: the WBMP output image will NOT match the original unless the original\n" "is also black and white. This is OK!\n"); foreground = gdImageColorClosest (im, 0, 0, 0); fprintf (stderr, "Foreground index is %d\n", foreground); if (foreground == -1) { fprintf (stderr, "Source image has no colors, skipping wbmp test.\n"); } else { out = fopen ("test/gdtest.wbmp", "wb"); if (!out) { fprintf (stderr, "Can't create file test/gdtest.wbmp.\n"); exit (1); } gdImageWBMP (im, foreground, out); fclose (out); in = fopen ("test/gdtest.wbmp", "rb"); if (!in) { fprintf (stderr, "Can't open file test/gdtest.wbmp.\n"); exit (1); } im2 = gdImageCreateFromWBMP (in); fprintf (stderr, "WBMP has %d colors\n", gdImageColorsTotal (im2)); fprintf (stderr, "WBMP colors are:\n"); for (i = 0; (i < gdImageColorsTotal (im2)); i++) { fprintf (stderr, "%02X%02X%02X\n", gdImageRed (im2, i), gdImageGreen (im2, i), gdImageBlue (im2, i)); } fclose (in); if (!im2) { fprintf (stderr, "gdImageCreateFromWBMP failed.\n"); exit (1); } CompareImages ("WBMP test (gdtest.png, gdtest.wbmp)", ref, im2); out = fopen ("test/gdtest_wbmp_to_png.png", "wb"); if (!out) { fprintf (stderr, "Can't create file test/gdtest_wbmp_to_png.png.\n"); exit (1); } gdImagePng (im2, out); fclose (out); gdImageDestroy (im2); } gdImageDestroy (im); gdImageDestroy (ref); #else fprintf (stderr, "No PNG library support.\n"); #endif /* HAVE_LIBPNG */ return 0; }
NEOERR* mimg_zoomout(int ftype, FILE *dst, FILE*src, int width, int height) { MCS_NOT_NULLB(dst, src); int ow, oh; gdImagePtr im; FILE *gdin, *gdout; if (width <= 0 && height <= 0) return STATUS_OK; gdin = mfile_get_std_from_safe(src); gdout = mfile_get_std_from_safe(dst); fseek(src, 0, SEEK_SET); fseek(dst, 0, SEEK_SET); switch (ftype) { case MIMG_TYPE_JPEG: im = gdImageCreateFromJpeg(gdin); break; case MIMG_TYPE_PNG: im = gdImageCreateFromPng(gdin); break; case MIMG_TYPE_GIF: im = gdImageCreateFromGif(gdin); break; case MIMG_TYPE_BMP: im = gdImageCreateFromWBMP(gdin); break; default: return nerr_raise(NERR_ASSERT, "file type %d not support", ftype); } if (!im) return nerr_raise(NERR_ASSERT, "读取图片出错,文件格式错误?"); ow = gdImageSX(im); oh = gdImageSY(im); if ((width > 0 && ow > width) || (height > 0 && oh > height)) { if (width <= 0) width = (float)height / oh * ow; if (height <= 0) height = (float)width / ow * oh; gdImagePtr dim = gdImageCreateTrueColor(width, height); gdImageCopyResized(dim, im, 0, 0, 0, 0, width, height, ow, oh); if (dim) { switch (ftype) { case MIMG_TYPE_JPEG: gdImageJpeg(dim, gdout, 70); break; case MIMG_TYPE_PNG: gdImagePng(dim, gdout); break; case MIMG_TYPE_GIF: gdImageGif(dim, gdout); break; case MIMG_TYPE_BMP: gdImageWBMP(dim, 0, gdout); break; default: return nerr_raise(NERR_ASSERT, "file type %d not suport", ftype); } } else return nerr_raise(NERR_ASSERT, "resize image error"); } else { mfile_copy(dst, src); } return STATUS_OK; }
/* ======================================================= *\ * PIE * * Notes: * always drawn from 12:00 position clockwise * 'missing' slices don't get labels * sum(val[0], ... val[num_points-1]) is assumed to be 100% \* ======================================================= */ void GDC_out_pie( short IMGWIDTH, short IMGHEIGHT, FILE *img_fptr, /* open file pointer */ GDCPIE_TYPE type, int num_points, char *lbl[], /* data labels */ float val[] ) /* data */ { int i; gdImagePtr im; int BGColor, LineColor, PlotColor, EdgeColor, EdgeColorShd; CREATE_ARRAY1( SliceColor, int, num_points ); /* int SliceColor[num_points] */ CREATE_ARRAY1( SliceColorShd, int, num_points ); /* int SliceColorShd[num_points] */ float rad = 0.0; /* radius */ float ellipsex = 1.0; float ellipsey = 1.0 - (float)GDCPIE_perspective/100.0; float tot_val = 0.0; float pscl; int cx, /* affects PX() */ cy; /* affects PY() */ /* ~ 1% for a size of 100 pixs */ /* label sizes will more dictate this */ float min_grphable = ( GDCPIE_other_threshold < 0? 100.0/(float)MIN(IMGWIDTH,IMGHEIGHT): (float)GDCPIE_other_threshold )/100.0; short num_slices1 = 0, num_slices2 = 0; char any_too_small = FALSE; CREATE_ARRAY1( others, char, num_points ); /* char others[num_points] */ CREATE_ARRAY2( slice_angle, float, 3, num_points ); /* float slice_angle[3][num_points] */ /* must be used with others[] */ char threeD = ( type == GDC_3DPIE ); int xdepth_3D = 0, /* affects PX() */ ydepth_3D = 0; /* affects PY() */ int do3Dx = 0, /* reserved for macro use */ do3Dy = 0; CREATE_ARRAY2( pct_lbl, char, num_points, 16 ); /* sizeof or strlen (GDCPIE_percent_fmt)? */ CREATE_ARRAY1( pct_ftsz, struct fnt_sz_t, num_points ); /* struct fnt_sz_t lbl_ftsz[num_points] */ CREATE_ARRAY1( lbl_ftsz, struct fnt_sz_t, num_points ); /* struct fnt_sz_t lbl_ftsz[num_points] */ #ifdef HAVE_LIBFREETYPE char *gdcpie_title_font = GDCPIE_title_font; char *gdcpie_label_font = GDCPIE_label_font; double gdcpie_title_ptsize = GDCPIE_title_ptsize; double gdcpie_label_ptsize = GDCPIE_label_ptsize; #else char *gdcpie_title_font = NULL; char *gdcpie_label_font = NULL; double gdcpie_title_ptsize = 0.0; double gdcpie_label_ptsize = 0.0; #endif /* GDCPIE_3d_angle = MOD_360(90-GDCPIE_3d_angle+360); */ pie_3D_rad = TO_RAD( GDCPIE_3d_angle ); xdepth_3D = threeD? (int)( cos((double)MOD_2PI(M_PI_2-pie_3D_rad+2.0*M_PI)) * GDCPIE_3d_depth ): 0; ydepth_3D = threeD? (int)( sin((double)MOD_2PI(M_PI_2-pie_3D_rad+2.0*M_PI)) * GDCPIE_3d_depth ): 0; /* xdepth_3D = threeD? (int)( cos(pie_3D_rad) * GDCPIE_3d_depth ): 0; */ /* ydepth_3D = threeD? (int)( sin(pie_3D_rad) * GDCPIE_3d_depth ): 0; */ load_font_conversions(); /* ----- get total value ----- */ for( i=0; i<num_points; ++i ) tot_val += val[i]; /* ----- pie sizing ----- */ /* ----- make width room for labels, depth, etc.: ----- */ /* ----- determine pie's radius ----- */ { int title_hgt = GDCPIE_title? 1 /* title? horizontal text line */ + GDCfnt_sz( GDCPIE_title, GDCPIE_title_size, gdcpie_title_font, gdcpie_title_ptsize, 0.0, NULL ).h + 2: 0; float last = 0.0; float label_explode_limit = 0.0; int cheight, cwidth; /* maximum: no labels, explosions */ /* gotta start somewhere */ rad = (float)MIN( (IMGWIDTH/2)/ellipsex-(1+ABS(xdepth_3D)), (IMGHEIGHT/2)/ellipsey-(1+ABS(ydepth_3D))-title_hgt ); /* ok fix center, i.e., no floating re labels, explosion, etc. */ cx = IMGWIDTH/2 /* - xdepth_3D */ ; cy = (IMGHEIGHT-title_hgt)/2 + title_hgt /* + ydepth_3D */ ; cheight = (IMGHEIGHT- title_hgt)/2 /* - ydepth_3D */ ; cwidth = cx; /* walk around pie. determine spacing to edge */ for( i=0; i<num_points; ++i ) { float this_pct = val[i]/tot_val; /* should never be > 100% */ float this = this_pct*(2.0*M_PI); /* pie-portion */ if( (this_pct > min_grphable) || /* too small */ (!GDCPIE_missing || !GDCPIE_missing[i]) ) /* still want angles */ { int this_explode = GDCPIE_explode? GDCPIE_explode[i]: 0; double this_sin; double this_cos; slice_angle[0][i] = this/2.0+last; /* mid-point on full pie */ slice_angle[1][i] = last; /* 1st on full pie */ slice_angle[2][i] = this+last; /* 2nd on full pie */ this_sin = ellipsex*sin( (double)slice_angle[0][i] ); this_cos = ellipsey*cos( (double)slice_angle[0][i] ); if( !GDCPIE_missing || !(GDCPIE_missing[i]) ) { short lbl_wdth = 0, lbl_hgt = 0; float this_y_explode_limit, this_x_explode_limit; /* start slice label height, width */ /* accounting for PCT placement, font */ pct_ftsz[i].h = 0; pct_ftsz[i].w = 0; if( GDCPIE_percent_fmt && GDCPIE_percent_labels != GDCPIE_PCT_NONE ) { sprintf( pct_lbl[i], GDCPIE_percent_fmt, this_pct * 100.0 ); pct_ftsz[i] = GDCfnt_sz( pct_lbl[i], GDCPIE_label_size, gdcpie_label_font, gdcpie_label_ptsize, 0.0, NULL ); lbl_wdth = pct_ftsz[i].w; lbl_hgt = pct_ftsz[i].h; } if( lbl && lbl[i] ) { lbl_ftsz[i] = GDCfnt_sz( lbl[i], GDCPIE_label_size, gdcpie_label_font, gdcpie_label_ptsize, 0.0, NULL ); if( GDCPIE_percent_labels == GDCPIE_PCT_ABOVE || GDCPIE_percent_labels == GDCPIE_PCT_BELOW ) { lbl_wdth = MAX( pct_ftsz[i].w, lbl_ftsz[i].w ); lbl_hgt = pct_ftsz[i].h + lbl_ftsz[i].h + 1; } else if( GDCPIE_percent_labels == GDCPIE_PCT_RIGHT || GDCPIE_percent_labels == GDCPIE_PCT_LEFT ) { lbl_wdth = pct_ftsz[i].w + lbl_ftsz[i].w + 1; lbl_hgt = MAX( pct_ftsz[i].h, lbl_ftsz[i].h ); } else /* GDCPIE_PCT_NONE */ { lbl_wdth = lbl_ftsz[i].w; lbl_hgt = lbl_ftsz[i].h; } } else lbl_wdth = lbl_hgt = 0; /* end label height, width */ /* diamiter limited by this point's: explosion, label */ /* (radius to box @ slice_angle) - (explode) - (projected label size) */ /* radius constraint due to labels */ this_y_explode_limit = (float)this_cos==0.0? FLT_MAX: ( (float)( (double)cheight/ABS(this_cos) ) - (float)( this_explode + (lbl&&lbl[i]? GDCPIE_label_dist: 0) ) - (float)( lbl_hgt/2 ) / (float)ABS(this_cos) ); this_x_explode_limit = (float)this_sin==0.0? FLT_MAX: ( (float)( (double)cwidth/ABS(this_sin) ) - (float)( this_explode + (lbl&&lbl[i]? GDCPIE_label_dist: 0) ) - (float)( lbl_wdth ) / (float)ABS(this_sin) ); rad = MIN( rad, this_y_explode_limit ); rad = MIN( rad, this_x_explode_limit ); /* ok at this radius (which is most likely larger than final) */ /* adjust for inter-label spacing */ /* if( lbl[i] && *lbl[i] ) */ /* { */ /* char which_edge = slice_angle[0][i] > M_PI? +1: -1; // which semi */ /* last_label_yedge = cheight - (int)( (rad + // top or bottom of label */ /* (float)(this_explode + */ /* (float)GDCPIE_label_dist)) * (float)this_cos ) + */ /* ( (GDC_fontc[GDCPIE_label_size].h+1)/2 + */ /* GDC_label_spacing )*which_edge; */ /* } */ /* radius constriant due to exploded depth */ /* at each edge of the slice, and the middle */ /* this is really stupid */ /* this section uses a different algorithm then above, but does the same thing */ /* could be combined, but each is ugly enough! */ /* PROTECT /0 */ if( threeD ) { short j; int this_y_explode_pos; int this_x_explode_pos; /* first N E S W (actually no need for N) */ if( (slice_angle[1][i] < M_PI_2 && M_PI_2 < slice_angle[2][i]) && /* E */ (this_x_explode_pos=OX(i,M_PI_2,1)) > cx+cwidth ) rad -= (float)ABS( (double)(1+this_x_explode_pos-(cx+cwidth))/sin(M_PI_2) ); if( (slice_angle[1][i] < 3.0*M_PI_2 && 3.0*M_PI_2 < slice_angle[2][i]) && /* W */ (this_x_explode_pos=OX(i,3.0*M_PI_2,1)) < cx-cwidth ) rad -= (float)ABS( (double)(this_x_explode_pos-(cx+cwidth))/sin(3.0*M_PI_2) ); if( (slice_angle[1][i] < M_PI && M_PI < slice_angle[2][i]) && /* S */ (this_y_explode_pos=OY(i,M_PI,1)) > cy+cheight ) rad -= (float)ABS( (double)(1+this_y_explode_pos-(cy+cheight))/cos(M_PI) ); for( j=0; j<3; ++j ) { this_y_explode_pos = IY(i,j,1); if( this_y_explode_pos < cy-cheight ) rad -= (float)ABS( (double)((cy-cheight)-this_y_explode_pos)/cos((double)slice_angle[j][i]) ); if( this_y_explode_pos > cy+cheight ) rad -= (float)ABS( (double)(1+this_y_explode_pos-(cy+cheight))/cos((double)slice_angle[j][i]) ); this_x_explode_pos = IX(i,j,1); if( this_x_explode_pos < cx-cwidth ) rad -= (float)ABS( (double)((cx-cwidth)-this_x_explode_pos)/sin((double)slice_angle[j][i]) ); if( this_x_explode_pos > cx+cwidth ) rad -= (float)ABS( (double)(1+this_x_explode_pos-(cx+cwidth))/sin((double)slice_angle[j][i]) ); } } } others[i] = FALSE; } else { others[i] = TRUE; slice_angle[0][i] = -FLT_MAX; } last += this; } } /* ----- go ahead and start the image ----- */ im = gdImageCreate( IMGWIDTH, IMGHEIGHT ); /* --- allocate the requested colors --- */ BGColor = clrallocate( im, GDCPIE_BGColor ); LineColor = clrallocate( im, GDCPIE_LineColor ); PlotColor = clrallocate( im, GDCPIE_PlotColor ); if( GDCPIE_EdgeColor != GDC_NOCOLOR ) { EdgeColor = clrallocate( im, GDCPIE_EdgeColor ); if( threeD ) EdgeColorShd = clrshdallocate( im, GDCPIE_EdgeColor ); } /* --- set color for each slice --- */ for( i=0; i<num_points; ++i ) if( GDCPIE_Color ) { unsigned long slc_clr = GDCPIE_Color[i]; SliceColor[i] = clrallocate( im, slc_clr ); if( threeD ) SliceColorShd[i] = clrshdallocate( im, slc_clr ); } else { SliceColor[i] = PlotColor; if( threeD ) SliceColorShd[i] = clrshdallocate( im, GDCPIE_PlotColor ); } pscl = (2.0*M_PI)/tot_val; /* ----- calc: smallest a slice can be ----- */ /* 1/2 circum / num slices per side. */ /* determined by number of labels that'll fit (height) */ /* scale to user values */ /* ( M_PI / (IMGHEIGHT / (SFONTHGT+1)) ) */ /* min_grphable = tot_val / */ /* ( 2.0 * (float)IMGHEIGHT / (float)(SFONTHGT+1+TFONTHGT+2) ); */ if( threeD ) { /* draw background shaded pie */ { float rad1 = rad * 3.0/4.0; for( i=0; i<num_points; ++i ) if( !(others[i]) && (!GDCPIE_missing || !GDCPIE_missing[i]) ) { int edge_color = GDCPIE_EdgeColor == GDC_NOCOLOR? SliceColorShd[i]: EdgeColorShd; gdImageLine( im, CX(i,1), CY(i,1), IX(i,1,1), IY(i,1,1), edge_color ); gdImageLine( im, CX(i,1), CY(i,1), IX(i,2,1), IY(i,2,1), edge_color ); gdImageArc( im, CX(i,1), CY(i,1), (int)(rad*ellipsex*2.0), (int)(rad*ellipsey*2.0), TO_INT_DEG_FLOOR(slice_angle[1][i])+270, TO_INT_DEG_CEIL(slice_angle[2][i])+270, edge_color ); /* gdImageFilledArc( im, CX(i,1), CY(i,1), */ /* rad*ellipsex*2, rad*ellipsey*2, */ /* TO_INT_DEG_FLOOR(slice_angle[1][i])+270, */ /* TO_INT_DEG_CEIL(slice_angle[2][i])+270, */ /* SliceColorShd[i], */ /* gdPie ); */ /* attempt to fill, if slice is wide enough */ if( (ABS(IX(i,1,1)-IX(i,2,1)) + ABS(IY(i,1,1)-IY(i,2,1))) > 2 ) { float rad = rad1; /* local override */ gdImageFillToBorder( im, IX(i,0,1), IY(i,0,1), edge_color, SliceColorShd[i] ); } } } /* fill in connection to foreground pie */ /* this is where we earn our keep */ { int t, num_slice_angles = 0; CREATE_ARRAY1( tmp_slice, struct tmp_slice_t, 4*num_points+4 ); /* should only need 2*num_points+2 */ for( i=0; i<num_points; ++i ) if( !GDCPIE_missing || !GDCPIE_missing[i] ) { if( RAD_DIST1(slice_angle[1][i]) < RAD_DIST2(slice_angle[0][i]) ) tmp_slice[num_slice_angles].hidden = FALSE; else tmp_slice[num_slice_angles].hidden = TRUE; tmp_slice[num_slice_angles].i = i; tmp_slice[num_slice_angles].slice = slice_angle[0][i]; tmp_slice[num_slice_angles++].angle = slice_angle[1][i]; if( RAD_DIST1(slice_angle[2][i]) < RAD_DIST2(slice_angle[0][i]) ) tmp_slice[num_slice_angles].hidden = FALSE; else tmp_slice[num_slice_angles].hidden = TRUE; tmp_slice[num_slice_angles].i = i; tmp_slice[num_slice_angles].slice = slice_angle[0][i]; tmp_slice[num_slice_angles++].angle = slice_angle[2][i]; /* identify which 2 slices (i) have a tangent parallel to depth angle */ if( slice_angle[1][i]<MOD_2PI(pie_3D_rad+M_PI_2) && slice_angle[2][i]>MOD_2PI(pie_3D_rad+M_PI_2) ) { tmp_slice[num_slice_angles].i = i; tmp_slice[num_slice_angles].hidden = FALSE; tmp_slice[num_slice_angles].slice = slice_angle[0][i]; tmp_slice[num_slice_angles++].angle = MOD_2PI( pie_3D_rad+M_PI_2 ); } if( slice_angle[1][i]<MOD_2PI(pie_3D_rad+3.0*M_PI_2) && slice_angle[2][i]>MOD_2PI(pie_3D_rad+3.0*M_PI_2) ) { tmp_slice[num_slice_angles].i = i; tmp_slice[num_slice_angles].hidden = FALSE; tmp_slice[num_slice_angles].slice = slice_angle[0][i]; tmp_slice[num_slice_angles++].angle = MOD_2PI( pie_3D_rad+3.0*M_PI_2 ); } } qsort( tmp_slice, num_slice_angles, sizeof(struct tmp_slice_t), ocmpr ); for( t=0; t<num_slice_angles; ++t ) { gdPoint gdp[4]; i = tmp_slice[t].i; gdp[0].x = CX(i,0); gdp[0].y = CY(i,0); gdp[1].x = CX(i,1); gdp[1].y = CY(i,1); gdp[2].x = OX(i,tmp_slice[t].angle,1); gdp[2].y = OY(i,tmp_slice[t].angle,1); gdp[3].x = OX(i,tmp_slice[t].angle,0); gdp[3].y = OY(i,tmp_slice[t].angle,0); if( !(tmp_slice[t].hidden) ) gdImageFilledPolygon( im, gdp, 4, SliceColorShd[i] ); else { rad -= 2.0; /* no peeking */ gdp[0].x = OX(i,slice_angle[0][i],0); gdp[0].y = OY(i,slice_angle[0][i],0); gdp[1].x = OX(i,slice_angle[0][i],1); gdp[1].y = OY(i,slice_angle[0][i],1); rad += 2.0; gdp[2].x = OX(i,slice_angle[1][i],1); gdp[2].y = OY(i,slice_angle[1][i],1); gdp[3].x = OX(i,slice_angle[1][i],0); gdp[3].y = OY(i,slice_angle[1][i],0); gdImageFilledPolygon( im, gdp, 4, SliceColorShd[i] ); gdp[2].x = OX(i,slice_angle[2][i],1); gdp[2].y = OY(i,slice_angle[2][i],1); gdp[3].x = OX(i,slice_angle[2][i],0); gdp[3].y = OY(i,slice_angle[2][i],0); gdImageFilledPolygon( im, gdp, 4, SliceColorShd[i] ); } if( GDCPIE_EdgeColor != GDC_NOCOLOR ) { gdImageLine( im, CX(i,0), CY(i,0), CX(i,1), CY(i,1), EdgeColorShd ); gdImageLine( im, OX(i,tmp_slice[t].angle,0), OY(i,tmp_slice[t].angle,0), OX(i,tmp_slice[t].angle,1), OY(i,tmp_slice[t].angle,1), EdgeColorShd ); } } FREE_ARRAY1( tmp_slice ); } } /* ----- pie face ----- */ { /* float last = 0.0; */ float rad1 = rad * 3.0/4.0; for( i=0; i<num_points; ++i ) if( !others[i] && (!GDCPIE_missing || !GDCPIE_missing[i]) ) { int edge_color = GDCPIE_EdgeColor == GDC_NOCOLOR? SliceColor[i]: EdgeColorShd; /* last += val[i]; */ /* EXPLODE_CX_CY( slice_angle[0][i], i ); */ gdImageLine( im, CX(i,0), CY(i,0), IX(i,1,0), IY(i,1,0), edge_color ); gdImageLine( im, CX(i,0), CY(i,0), IX(i,2,0), IY(i,2,0), edge_color ); gdImageArc( im, CX(i,0), CY(i,0), (int)(rad*ellipsex*2.0), (int)(rad*ellipsey*2.0), (TO_INT_DEG_FLOOR(slice_angle[1][i])+270)%360, (TO_INT_DEG_CEIL(slice_angle[2][i])+270)%360, edge_color ); /* antialiasing here */ /* likely only on the face? */ /* bugs in gd2.0.0 */ /* arc doesn't honor deg>360 */ /* arcs from gdImageFilledArc() don't match with gdImageArc() */ /* angles are off */ /* doesn't always fill completely */ /* gdImageFilledArc( im, CX(i,0), CY(i,0), */ /* (int)(rad*ellipsex*2.0), (int)(rad*ellipsey*2.0), */ /* (TO_INT_DEG_FLOOR(slice_angle[1][i])+270)%360, */ /* (TO_INT_DEG_CEIL(slice_angle[2][i])+270)%360, */ /* SliceColor[i], */ /* gdPie ); */ /* attempt to fill, if slice is wide enough */ { float rad = rad1; /* local override */ if( (ABS(IX(i,1,1)-IX(i,2,1)) + ABS(IY(i,1,1)-IY(i,2,1))) > 2 ) { gdImageFillToBorder( im, IX(i,0,0), IY(i,0,0), edge_color, SliceColor[i] ); } /* catch missed pixels on narrow slices */ gdImageLine( im, CX(i,0), CY(i,0), IX(i,0,0), IY(i,0,0), SliceColor[i] ); } } } if( GDCPIE_title ) { struct fnt_sz_t tftsz = GDCfnt_sz( GDCPIE_title, GDCPIE_title_size, gdcpie_title_font, gdcpie_title_ptsize, 0.0, NULL ); GDCImageStringNL( im, &GDC_fontc[GDCPIE_title_size], gdcpie_title_font, gdcpie_title_ptsize, 0.0, IMGWIDTH/2 - tftsz.w/2, 1, GDCPIE_title, LineColor, GDC_JUSTIFY_CENTER, NULL ); } /* labels */ if( lbl ) { float liner = rad; rad += GDCPIE_label_dist; for( i=0; i<num_points; ++i ) { if( !others[i] && (!GDCPIE_missing || !GDCPIE_missing[i]) ) { int lblx, pctx, lbly, pcty, linex, liney; lbly = (liney = IY(i,0,0))-lbl_ftsz[i].h / 2; lblx = pctx = linex = IX(i,0,0); if( slice_angle[0][i] > M_PI ) /* which semicircle */ { lblx -= lbl_ftsz[i].w; pctx = lblx; ++linex; } else --linex; switch( GDCPIE_percent_labels ) { case GDCPIE_PCT_LEFT: if( slice_angle[0][i] > M_PI ) pctx -= lbl_ftsz[i].w-1; else lblx += pct_ftsz[i].w+1; pcty = IY(i,0,0) - ( 1+pct_ftsz[i].h ) / 2; break; case GDCPIE_PCT_RIGHT: if( slice_angle[0][i] > M_PI ) lblx -= pct_ftsz[i].w-1; else pctx += lbl_ftsz[i].w+1; pcty = IY(i,0,0) - ( 1+pct_ftsz[i].h ) / 2; break; case GDCPIE_PCT_ABOVE: lbly += (1+pct_ftsz[i].h) / 2; pcty = lbly - pct_ftsz[i].h; break; case GDCPIE_PCT_BELOW: lbly -= (1+pct_ftsz[i].h) / 2; pcty = lbly + lbl_ftsz[i].h; break; case GDCPIE_PCT_NONE: default:; } if( GDCPIE_percent_labels != GDCPIE_PCT_NONE ) GDCImageStringNL( im, &GDC_fontc[GDCPIE_label_size], gdcpie_label_font, gdcpie_label_ptsize, 0.0, slice_angle[0][i] <= M_PI? pctx: pctx+lbl_ftsz[i].w-pct_ftsz[i].w, pcty, pct_lbl[i], LineColor, GDC_JUSTIFY_CENTER, NULL ); if( lbl[i] ) GDCImageStringNL( im, &GDC_fontc[GDCPIE_label_size], gdcpie_label_font, gdcpie_label_ptsize, 0.0, lblx, lbly, lbl[i], LineColor, slice_angle[0][i] <= M_PI? GDC_JUSTIFY_LEFT: GDC_JUSTIFY_RIGHT, NULL ); if( GDCPIE_label_line ) { float rad = liner; gdImageLine( im, linex, liney, IX(i,0,0), IY(i,0,0), LineColor ); } } } rad -= GDCPIE_label_dist; } fflush( img_fptr ); switch( GDC_image_type ) { #ifdef HAVE_JPEG case GDC_JPEG: gdImageJpeg( im, img_fptr, GDC_jpeg_quality ); break; #endif case GDC_WBMP: gdImageWBMP( im, PlotColor, img_fptr ); break; case GDC_GIF: gdImageGif( im, img_fptr); break; case GDC_PNG: default: gdImagePng( im, img_fptr ); } FREE_ARRAY1( lbl_ftsz ); FREE_ARRAY1( pct_ftsz ); FREE_ARRAY2( pct_lbl ); FREE_ARRAY2( slice_angle ); FREE_ARRAY1( others ); FREE_ARRAY1( SliceColorShd ); FREE_ARRAY1( SliceColor ); gdImageDestroy(im); return; }
static void gd_end_graph(void) { if (!im || external_surface) return; /* * Windows will do \n -> \r\n translations on stdout unless told otherwise. */ #ifdef HAVE_SETMODE #ifdef O_BINARY setmode(fileno(Output_file), O_BINARY); #endif #endif /* Only save the alpha channel in outputs that support it if the base color was transparent. Otherwise everything was blended so there is no useful alpha info */ if (im->trueColor) { if (is_format_truecolor_capable(Output_lang)) gdImageSaveAlpha(im, TRUE); else gdImageTrueColorToPalette(im, 0, 256); } if (Output_lang == GD) { gdImageGd(im, Output_file); #ifdef HAVE_LIBZ } else if (Output_lang == GD2) { #define GD2_CHUNKSIZE 128 #define GD2_RAW 1 #define GD2_COMPRESSED 2 gdImageGd2(im, Output_file, GD2_CHUNKSIZE, GD2_COMPRESSED); #endif #ifdef HAVE_GD_GIF } else if (Output_lang == GIF) { gdImageGif(im, Output_file); #endif #ifdef HAVE_GD_JPEG } else if (Output_lang == JPEG) { /* * Write IM to OUTFILE as a JFIF-formatted JPEG image, using * quality JPEG_QUALITY. If JPEG_QUALITY is in the range * 0-100, increasing values represent higher quality but * also larger image size. If JPEG_QUALITY is negative, the * IJG JPEG library's default quality is used (which should * be near optimal for many applications). See the IJG JPEG * library documentation for more details. */ #define JPEG_QUALITY -1 gdImageJpeg(im, Output_file, JPEG_QUALITY); #endif #ifdef HAVE_GD_PNG } else if (Output_lang == PNG) { gdImagePng(im, Output_file); #endif } else if (Output_lang == WBMP) { /* Use black for the foreground color for the B&W wbmp image. */ gdImageWBMP(im, black, Output_file); #ifdef HAVE_GD_XPM } else if (Output_lang == XBM) { gdImageXbm(im, Output_file); #endif } gd_freeusershapes(); gdImageDestroy(im); #ifdef MYTRACE fprintf(stderr, "gd_end_graph_to_file\n"); #endif }
int graphicsGdImageSaveAsWBMP(gdImage* im, int fg, const char *path) { CALL_WITH_F4(path, "wb", F_WRLCK, gdImageWBMP(im, fg, f)); }