Cross Reference: /vbox/src/libs/libpng-1.2.8/pngget.c

Lines Matching defs:info_ptr
15 png_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)
17    if (png_ptr != NULL && info_ptr != NULL)
18       return(info_ptr->valid & flag);
24 png_get_rowbytes(png_structp png_ptr, png_infop info_ptr)
26    if (png_ptr != NULL && info_ptr != NULL)
27       return(info_ptr->rowbytes);
34 png_get_rows(png_structp png_ptr, png_infop info_ptr)
36    if (png_ptr != NULL && info_ptr != NULL)
37       return(info_ptr->row_pointers);
46 png_get_image_width(png_structp png_ptr, png_infop info_ptr)
48    if (png_ptr != NULL && info_ptr != NULL)
50       return info_ptr->width;
56 png_get_image_height(png_structp png_ptr, png_infop info_ptr)
58    if (png_ptr != NULL && info_ptr != NULL)
60       return info_ptr->height;
66 png_get_bit_depth(png_structp png_ptr, png_infop info_ptr)
68    if (png_ptr != NULL && info_ptr != NULL)
70       return info_ptr->bit_depth;
76 png_get_color_type(png_structp png_ptr, png_infop info_ptr)
78    if (png_ptr != NULL && info_ptr != NULL)
80       return info_ptr->color_type;
86 png_get_filter_type(png_structp png_ptr, png_infop info_ptr)
88    if (png_ptr != NULL && info_ptr != NULL)
90       return info_ptr->filter_type;
96 png_get_interlace_type(png_structp png_ptr, png_infop info_ptr)
98    if (png_ptr != NULL && info_ptr != NULL)
100       return info_ptr->interlace_type;
106 png_get_compression_type(png_structp png_ptr, png_infop info_ptr)
108    if (png_ptr != NULL && info_ptr != NULL)
110       return info_ptr->compression_type;
116 png_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
118    if (png_ptr != NULL && info_ptr != NULL)
120    if (info_ptr->valid & PNG_INFO_pHYs)
123       if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
125       else return (info_ptr->x_pixels_per_unit);
134 png_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
136    if (png_ptr != NULL && info_ptr != NULL)
138    if (info_ptr->valid & PNG_INFO_pHYs)
141       if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
143       else return (info_ptr->y_pixels_per_unit);
152 png_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
154    if (png_ptr != NULL && info_ptr != NULL)
156    if (info_ptr->valid & PNG_INFO_pHYs)
159       if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER ||
160          info_ptr->x_pixels_per_unit != info_ptr->y_pixels_per_unit)
162       else return (info_ptr->x_pixels_per_unit);
172 png_get_pixel_aspect_ratio(png_structp png_ptr, png_infop info_ptr)
174    if (png_ptr != NULL && info_ptr != NULL)
176    if (info_ptr->valid & PNG_INFO_pHYs)
179       if (info_ptr->x_pixels_per_unit == 0)
182          return ((float)((float)info_ptr->y_pixels_per_unit
183             /(float)info_ptr->x_pixels_per_unit));
193 png_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr)
195    if (png_ptr != NULL && info_ptr != NULL)
197    if (info_ptr->valid & PNG_INFO_oFFs)
200       if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
202       else return (info_ptr->x_offset);
211 png_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr)
213    if (png_ptr != NULL && info_ptr != NULL)
215    if (info_ptr->valid & PNG_INFO_oFFs)
218       if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
220       else return (info_ptr->y_offset);
229 png_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr)
231    if (png_ptr != NULL && info_ptr != NULL)
233    if (info_ptr->valid & PNG_INFO_oFFs)
236       if(info_ptr->offset_unit_type != PNG_OFFSET_PIXEL)
238       else return (info_ptr->x_offset);
247 png_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr)
249    if (png_ptr != NULL && info_ptr != NULL)
251    if (info_ptr->valid & PNG_INFO_oFFs)
254       if(info_ptr->offset_unit_type != PNG_OFFSET_PIXEL)
256       else return (info_ptr->y_offset);
266 png_get_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
268    return ((png_uint_32)((float)png_get_pixels_per_meter(png_ptr, info_ptr)
273 png_get_x_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
275    return ((png_uint_32)((float)png_get_x_pixels_per_meter(png_ptr, info_ptr)
280 png_get_y_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
282    return ((png_uint_32)((float)png_get_y_pixels_per_meter(png_ptr, info_ptr)
287 png_get_x_offset_inches(png_structp png_ptr, png_infop info_ptr)
289    return ((float)png_get_x_offset_microns(png_ptr, info_ptr)
294 png_get_y_offset_inches(png_structp png_ptr, png_infop info_ptr)
296    return ((float)png_get_y_offset_microns(png_ptr, info_ptr)
302 png_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr,
307    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
312          *res_x = info_ptr->x_pixels_per_unit;
317          *res_y = info_ptr->y_pixels_per_unit;
322          *unit_type = (int)info_ptr->phys_unit_type;
341 png_get_channels(png_structp png_ptr, png_infop info_ptr)
343    if (png_ptr != NULL && info_ptr != NULL)
344       return(info_ptr->channels);
350 png_get_signature(png_structp png_ptr, png_infop info_ptr)
352    if (png_ptr != NULL && info_ptr != NULL)
353       return(info_ptr->signature);
360 png_get_bKGD(png_structp png_ptr, png_infop info_ptr,
363    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD)
367       *background = &(info_ptr->background);
377 png_get_cHRM(png_structp png_ptr, png_infop info_ptr,
381    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
385          *white_x = (double)info_ptr->x_white;
387          *white_y = (double)info_ptr->y_white;
389          *red_x = (double)info_ptr->x_red;
391          *red_y = (double)info_ptr->y_red;
393          *green_x = (double)info_ptr->x_green;
395          *green_y = (double)info_ptr->y_green;
397          *blue_x = (double)info_ptr->x_blue;
399          *blue_y = (double)info_ptr->y_blue;
407 png_get_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
412    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
416          *white_x = info_ptr->int_x_white;
418          *white_y = info_ptr->int_y_white;
420          *red_x = info_ptr->int_x_red;
422          *red_y = info_ptr->int_y_red;
424          *green_x = info_ptr->int_x_green;
426          *green_y = info_ptr->int_y_green;
428          *blue_x = info_ptr->int_x_blue;
430          *blue_y = info_ptr->int_y_blue;
441 png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma)
443    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
447       *file_gamma = (double)info_ptr->gamma;
455 png_get_gAMA_fixed(png_structp png_ptr, png_infop info_ptr,
458    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
462       *int_file_gamma = info_ptr->int_gamma;
472 png_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent)
474    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)
478       *file_srgb_intent = (int)info_ptr->srgb_intent;
487 png_get_iCCP(png_structp png_ptr, png_infop info_ptr,
491    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP)
495       *name = info_ptr->iccp_name;
496       *profile = info_ptr->iccp_profile;
499       *proflen = (int)info_ptr->iccp_proflen;
500       *compression_type = (int)info_ptr->iccp_compression;
509 png_get_sPLT(png_structp png_ptr, png_infop info_ptr,
512    if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
513      *spalettes = info_ptr->splt_palettes;
514    return ((png_uint_32)info_ptr->splt_palettes_num);
520 png_get_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist)
522    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST)
526       *hist = info_ptr->hist;
534 png_get_IHDR(png_structp png_ptr, png_infop info_ptr,
540    if (png_ptr != NULL && info_ptr != NULL && width != NULL && height != NULL &&
544       *width = info_ptr->width;
545       *height = info_ptr->height;
546       *bit_depth = info_ptr->bit_depth;
547       if (info_ptr->bit_depth < 1 || info_ptr->bit_depth > 16)
549       *color_type = info_ptr->color_type;
550       if (info_ptr->color_type > 6)
553          *compression_type = info_ptr->compression_type;
555          *filter_type = info_ptr->filter_type;
557          *interlace_type = info_ptr->interlace_type;
564       if (info_ptr->width > (PNG_UINT_32_MAX
581 png_get_oFFs(png_structp png_ptr, png_infop info_ptr,
584    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs)
588       *offset_x = info_ptr->x_offset;
589       *offset_y = info_ptr->y_offset;
590       *unit_type = (int)info_ptr->offset_unit_type;
599 png_get_pCAL(png_structp png_ptr, png_infop info_ptr,
603    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL)
608       *purpose = info_ptr->pcal_purpose;
609       *X0 = info_ptr->pcal_X0;
610       *X1 = info_ptr->pcal_X1;
611       *type = (int)info_ptr->pcal_type;
612       *nparams = (int)info_ptr->pcal_nparams;
613       *units = info_ptr->pcal_units;
614       *params = info_ptr->pcal_params;
624 png_get_sCAL(png_structp png_ptr, png_infop info_ptr,
627     if (png_ptr != NULL && info_ptr != NULL &&
628        (info_ptr->valid & PNG_INFO_sCAL))
630         *unit = info_ptr->scal_unit;
631         *width = info_ptr->scal_pixel_width;
632         *height = info_ptr->scal_pixel_height;
640 png_get_sCAL_s(png_structp png_ptr, png_infop info_ptr,
643     if (png_ptr != NULL && info_ptr != NULL &&
644        (info_ptr->valid & PNG_INFO_sCAL))
646         *unit = info_ptr->scal_unit;
647         *width = info_ptr->scal_s_width;
648         *height = info_ptr->scal_s_height;
659 png_get_pHYs(png_structp png_ptr, png_infop info_ptr,
664    if (png_ptr != NULL && info_ptr != NULL &&
665       (info_ptr->valid & PNG_INFO_pHYs))
670          *res_x = info_ptr->x_pixels_per_unit;
675          *res_y = info_ptr->y_pixels_per_unit;
680          *unit_type = (int)info_ptr->phys_unit_type;
689 png_get_PLTE(png_structp png_ptr, png_infop info_ptr, png_colorp *palette,
692    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_PLTE)
696       *palette = info_ptr->palette;
697       *num_palette = info_ptr->num_palette;
706 png_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)
708    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT)
712       *sig_bit = &(info_ptr->sig_bit);
721 png_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr,
724    if (png_ptr != NULL && info_ptr != NULL && info_ptr->num_text > 0)
730          *text_ptr = info_ptr->text;
732          *num_text = info_ptr->num_text;
733       return ((png_uint_32)info_ptr->num_text);
743 png_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time)
745    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME)
749       *mod_time = &(info_ptr->mod_time);
758 png_get_tRNS(png_structp png_ptr, png_infop info_ptr,
762    if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS))
765       if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
769              *trans = info_ptr->trans;
773              *trans_values = &(info_ptr->trans_values);
775       else /* if (info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) */
779              *trans_values = &(info_ptr->trans_values);
787          *num_trans = info_ptr->num_trans;
797 png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr,
800    if (png_ptr != NULL && info_ptr != NULL && unknowns != NULL)
801      *unknowns = info_ptr->unknown_chunks;
802    return ((png_uint_32)info_ptr->unknown_chunks_num);