Fix libpng issue.

4 files changed, 181 insertions, 19 deletions

diff --git a/print/ghostscript7/Makefile b/print/ghostscript7/Makefile
index 21b54411fdca..adb706258bc7 100644
--- a/print/ghostscript7/Makefile
+++ b/print/ghostscript7/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	ghostscript
 PORTVERSION=	7.07
-PORTREVISION=	30
+PORTREVISION=	31
 CATEGORIES=	print
 MASTER_SITES=	SF/ghostscript/gnu-gs/${PORTVERSION}:gs_srcs \
 		ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/gnu/gs${PORTVERSION:S/.//}/:gs_srcs \
@@ -21,8 +21,6 @@ COMMENT=	Ghostscript 7.x PostScript interpreter
 
 LICENSE=	GPLv2
 
-BROKEN=		Does not support modern png
-
 LIB_DEPENDS=	libjpeg.so:${PORTSDIR}/graphics/jpeg \
 		libpng.so:${PORTSDIR}/graphics/png
 RUN_DEPENDS=	${LOCALBASE}/share/ghostscript/fonts/a010013l.pfb:${PORTSDIR}/print/gsfonts
diff --git a/print/ghostscript7/files/patch-src-gdevpng.c b/print/ghostscript7/files/patch-src-gdevpng.c
index 697f6c71ff7d..0bb66e2f046d 100644
--- a/print/ghostscript7/files/patch-src-gdevpng.c
+++ b/print/ghostscript7/files/patch-src-gdevpng.c
@@ -1,6 +1,19 @@
---- src/gdevpng.c.orig	2003-05-15 12:05:29.000000000 +0200
-+++ src/gdevpng.c	2012-04-27 20:17:30.000000000 +0200
-@@ -258,7 +258,7 @@
+--- src/gdevpng.c.orig	2003-05-15 19:05:29.000000000 +0900
++++ src/gdevpng.c	2015-02-19 01:59:24.000000000 +0900
+@@ -41,12 +41,6 @@
+ #include "gdevpccm.h"
+ #include "gscdefs.h"
+ 
+-#define PNG_INTERNAL
+-/*
+- * libpng versions 1.0.3 and later allow disabling access to the stdxxx
+- * files while retaining support for FILE * I/O.
+- */
+-#define PNG_NO_CONSOLE_IO
+ /*
+  * Earlier libpng versions require disabling FILE * I/O altogether.
+  * This produces a compiler warning about no prototype for png_init_io.
+@@ -258,7 +252,7 @@
  	goto done;
      }
      /* set error handling */
@@ -9,3 +22,166 @@
  	/* If we get here, we had a problem reading the file */
  	code = gs_note_error(gs_error_VMerror);
  	goto done;
+@@ -268,19 +262,12 @@
+     png_init_io(png_ptr, file);
+ 
+     /* set the file information here */
+-    info_ptr->width = pdev->width;
+-    info_ptr->height = pdev->height;
+-    /* resolution is in pixels per meter vs. dpi */
+-    info_ptr->x_pixels_per_unit =
+-	(png_uint_32) (pdev->HWResolution[0] * (100.0 / 2.54));
+-    info_ptr->y_pixels_per_unit =
+-	(png_uint_32) (pdev->HWResolution[1] * (100.0 / 2.54));
+-    info_ptr->phys_unit_type = PNG_RESOLUTION_METER;
+-    info_ptr->valid |= PNG_INFO_pHYs;
+     switch (depth) {
+ 	case 32:
+-	    info_ptr->bit_depth = 8;
+-	    info_ptr->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		8, PNG_COLOR_TYPE_RGB_ALPHA,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
+ 	    png_set_invert_alpha(png_ptr);
+ 	    {   gx_device_pngalpha *ppdev = (gx_device_pngalpha *)pdev;
+ 		png_color_16 background;
+@@ -292,51 +279,68 @@
+ 		png_set_bKGD(png_ptr, info_ptr, &background);
+ 	    }
+ 	    break;
++	case 48:
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		16, PNG_COLOR_TYPE_RGB,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
++#if defined(ARCH_IS_BIG_ENDIAN) && (!ARCH_IS_BIG_ENDIAN) 
++	    png_set_swap(png_ptr);
++#endif
++	    break;
+ 	case 24:
+-	    info_ptr->bit_depth = 8;
+-	    info_ptr->color_type = PNG_COLOR_TYPE_RGB;
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		8, PNG_COLOR_TYPE_RGB,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
+ 	    break;
+ 	case 8:
+-	    info_ptr->bit_depth = 8;
+-	    if (gx_device_has_color(pdev))
+-		info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
+-	    else
+-		info_ptr->color_type = PNG_COLOR_TYPE_GRAY;
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		8, gx_device_has_color(pdev) ?
++		    PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_GRAY,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
+ 	    break;
+ 	case 4:
+-	    info_ptr->bit_depth = 4;
+-	    info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		4, PNG_COLOR_TYPE_PALETTE,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
+ 	    break;
+ 	case 1:
+-	    info_ptr->bit_depth = 1;
+-	    info_ptr->color_type = PNG_COLOR_TYPE_GRAY;
++	    png_set_IHDR(png_ptr, info_ptr, pdev->width, pdev->height,
++		1, PNG_COLOR_TYPE_PALETTE,
++		PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
++		PNG_FILTER_TYPE_DEFAULT);
+ 	    /* invert monocrome pixels */
+ 	    png_set_invert_mono(png_ptr);
+ 	    break;
+     }
+ 
++    /* resolution is in pixels per meter vs. dpi */
++    png_set_pHYs(png_ptr, info_ptr, 
++      (png_uint_32) (pdev->HWResolution[0] * (100.0 / 2.54)),
++      (png_uint_32) (pdev->HWResolution[1] * (100.0 / 2.54)),
++      PNG_RESOLUTION_METER);
++
+     /* set the palette if there is one */
+-    if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) {
++    if (png_get_color_type(png_ptr, info_ptr)  == PNG_COLOR_TYPE_PALETTE) {
+ 	int i;
+ 	int num_colors = 1 << depth;
+ 	gx_color_value rgb[3];
++	png_color palette[256];
++
++	if (num_colors > 256)
++	    num_colors = 256;
+ 
+-	info_ptr->palette =
+-	    (void *)gs_alloc_bytes(mem, 256 * sizeof(png_color),
+-				   "png palette");
+-	if (info_ptr->palette == 0) {
+-	    code = gs_note_error(gs_error_VMerror);
+-	    goto done;
+-	}
+-	info_ptr->num_palette = num_colors;
+-	info_ptr->valid |= PNG_INFO_PLTE;
+ 	for (i = 0; i < num_colors; i++) {
+ 	    (*dev_proc(pdev, map_color_rgb)) ((gx_device *) pdev,
+ 					      (gx_color_index) i, rgb);
+-	    info_ptr->palette[i].red = gx_color_value_to_byte(rgb[0]);
+-	    info_ptr->palette[i].green = gx_color_value_to_byte(rgb[1]);
+-	    info_ptr->palette[i].blue = gx_color_value_to_byte(rgb[2]);
++	    palette[i].red = gx_color_value_to_byte(rgb[0]);
++	    palette[i].green = gx_color_value_to_byte(rgb[1]);
++	    palette[i].blue = gx_color_value_to_byte(rgb[2]);
+ 	}
++	png_set_PLTE(png_ptr, info_ptr, palette, num_colors);
+     }
+     /* add comment */
+     strncpy(software_key, "Software", sizeof(software_key));
+@@ -346,15 +350,16 @@
+     text_png.key = software_key;
+     text_png.text = software_text;
+     text_png.text_length = strlen(software_text);
+-    info_ptr->text = &text_png;
+-    info_ptr->num_text = 1;
++    png_set_text(png_ptr, info_ptr, &text_png, 1);
+ 
+     /* write the file information */
+     png_write_info(png_ptr, info_ptr);
+ 
+     /* don't write the comments twice */
++#if 0
+     info_ptr->num_text = 0;
+     info_ptr->text = NULL;
++#endif
+ 
+     /* Write the contents of the image. */
+     for (y = 0; y < height; y++) {
+@@ -365,8 +370,10 @@
+     /* write the rest of the file */
+     png_write_end(png_ptr, info_ptr);
+ 
++#if 0
+     /* if you alloced the palette, free it here */
+     gs_free_object(mem, info_ptr->palette, "png palette");
++#endif
+ 
+   done:
+     /* free the structures */
+@@ -376,6 +383,7 @@
+     return code;
+ }
+ 
++#if 0
+ /*
+  * Patch around a static reference to a never-used procedure.
+  * This could be avoided if we were willing to edit pngconf.h to
+@@ -393,6 +401,7 @@
+ {
+ }
+ #endif
++#endif
+ 
+ private int
+ pngalpha_open(gx_device * pdev)
diff --git a/print/ghostscript7/files/patch-src-png_.h b/print/ghostscript7/files/patch-src-png_.h
deleted file mode 100644
index 3ab10a5af90a..000000000000
--- a/print/ghostscript7/files/patch-src-png_.h
+++ /dev/null
@@ -1,9 +0,0 @@
---- src/png_.h.orig	2003-01-17 01:49:05.000000000 +0100
-+++ src/png_.h	2012-04-27 19:22:59.000000000 +0200
-@@ -27,5 +27,6 @@
- #else
- #include "png.h"
- #endif
-+#include "pngpriv.h"
- 
- #endif /* png__INCLUDED */
diff --git a/print/ghostscript7/pkg-message b/print/ghostscript7/pkg-message
index 115b08862564..bfeb977fcb01 100644
--- a/print/ghostscript7/pkg-message
+++ b/print/ghostscript7/pkg-message
@@ -1,4 +1 @@
-Note: in order to use the script dvipdf, dvips must be installed.
-This program may be provided by either print/dvips or print/dvipsk-tetex
-(print/dvipsk-tetex may be preferable since it doesn't conflict with
-tetex things).
+Note: dvipdf script requires dvips program installed by print/tex-dvipsk.