199 lines
6.6 KiB
Diff
199 lines
6.6 KiB
Diff
|
$NetBSD: patch-ak,v 1.5 2011/01/15 14:08:10 wiz Exp $
|
||
|
|
||
|
Fix build with png-1.5. From John Bowler.
|
||
|
|
||
|
See also http://bugs.ghostscript.com/show_bug.cgi?id=692060
|
||
|
|
||
|
--- a/base/gdevpng.c.orig 2008-07-17 02:34:01.000000000 +0000
|
||
|
+++ b/base/gdevpng.c
|
||
|
@@ -36,12 +36,14 @@
|
||
|
#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.
|
||
|
+ *
|
||
|
+ * This is a misunderstanding - this is a build time option for libpng,
|
||
|
+ * it has no effect on a user of libpng.
|
||
|
*/
|
||
|
-#define PNG_NO_CONSOLE_IO
|
||
|
+/*#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.
|
||
|
@@ -280,7 +282,7 @@ png_print_page(gx_device_printer * pdev,
|
||
|
goto done;
|
||
|
}
|
||
|
/* set error handling */
|
||
|
- if (setjmp(png_ptr->jmpbuf)) {
|
||
|
+ if (setjmp(png_jmpbuf(png_ptr))) {
|
||
|
/* If we get here, we had a problem reading the file */
|
||
|
code = gs_note_error(gs_error_VMerror);
|
||
|
goto done;
|
||
|
@@ -290,19 +292,12 @@ png_print_page(gx_device_printer * pdev,
|
||
|
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;
|
||
|
@@ -315,57 +310,69 @@ png_print_page(gx_device_printer * pdev,
|
||
|
}
|
||
|
break;
|
||
|
case 48:
|
||
|
- info_ptr->bit_depth = 16;
|
||
|
- info_ptr->color_type = PNG_COLOR_TYPE_RGB;
|
||
|
+ 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_GRAY,
|
||
|
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
|
||
|
+ PNG_FILTER_TYPE_DEFAULT);
|
||
|
/* invert monocrome pixels */
|
||
|
png_set_invert_mono(png_ptr);
|
||
|
break;
|
||
|
+ default:
|
||
|
+ png_error(png_ptr, "invalid bit depth");
|
||
|
}
|
||
|
|
||
|
+ /* 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));
|
||
|
@@ -375,15 +382,14 @@ png_print_page(gx_device_printer * pdev,
|
||
|
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 */
|
||
|
- info_ptr->num_text = 0;
|
||
|
- info_ptr->text = NULL;
|
||
|
+ /*info_ptr->num_text = 0;*/
|
||
|
+ /*info_ptr->text = NULL;*/
|
||
|
|
||
|
/* Write the contents of the image. */
|
||
|
for (y = 0; y < height; y++) {
|
||
|
@@ -395,7 +401,7 @@ png_print_page(gx_device_printer * pdev,
|
||
|
png_write_end(png_ptr, info_ptr);
|
||
|
|
||
|
/* if you alloced the palette, free it here */
|
||
|
- gs_free_object(mem, info_ptr->palette, "png palette");
|
||
|
+ /*gs_free_object(mem, info_ptr->palette, "png palette");*/
|
||
|
|
||
|
done:
|
||
|
/* free the structures */
|
||
|
@@ -405,6 +411,7 @@ png_print_page(gx_device_printer * pdev,
|
||
|
return code;
|
||
|
}
|
||
|
|
||
|
+#if 0 /* not required in 1.5 */
|
||
|
/*
|
||
|
* Patch around a static reference to a never-used procedure.
|
||
|
* This could be avoided if we were willing to edit pngconf.h to
|
||
|
@@ -422,6 +429,7 @@ png_push_fill_buffer(png_structp png_ptr
|
||
|
{
|
||
|
}
|
||
|
#endif
|
||
|
+#endif
|
||
|
|
||
|
static int
|
||
|
pngalpha_open(gx_device * pdev)
|