metapixel: patch for libpng 1.5+

Closes: https://trac.macports.org/ticket/38753
macports · Apr 5, 2019 · 1a3b6a78dbd211238468cb5f78edb71f7649be7c · 1a3b6a7
1 parent 10a9055
commit 1a3b6a78dbd211238468cb5f78edb71f7649be7c
Unified Split

Showing with 178 additions and 2 deletions.

+3 −2 graphics/metapixel/Portfile

+175 −0 graphics/metapixel/files/metapixel_1.0.2-libpng1.5.patch
diff --git a/graphics/metapixel/Portfile b/graphics/metapixel/Portfile
@@ -4,7 +4,7 @@ PortSystem              1.0
 
 name                    metapixel
 version                 1.0.2
-revision                4
+revision                5
 categories              graphics
 platforms               darwin
 maintainers             free.fr:fclaire
@@ -31,7 +31,8 @@ depends_lib             port:jpeg \
                         port:giflib \
                         port:libpng
 
-patchfiles              patch-Makefile.diff \
+patchfiles              metapixel_1.0.2-libpng1.5.patch \
+                        patch-Makefile.diff \
                         patch-rwimg-Makefile.diff
 
 use_configure           no

diff --git a/graphics/metapixel/files/metapixel_1.0.2-libpng1.5.patch b/graphics/metapixel/files/metapixel_1.0.2-libpng1.5.patch
@@ -0,0 +1,175 @@
+diff -u metapixel-1.0.2/debian/changelog metapixel-1.0.2/debian/changelog
+--- rwimg/rwpng.c
++++ rwimg/rwpng.c
+@@ -57,19 +57,39 @@
+     data->end_info = png_create_info_struct(data->png_ptr);
+     assert(data->end_info != 0);
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
+-    png_init_io(data->png_ptr, data->file);
+-
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	png_init_io(data->png_ptr, data->file);
++    png_read_info(data->png_ptr, data->info_ptr);
++#else
++	png_init_io(data->png_ptr, data->file);
+     png_read_info(data->png_ptr, data->info_ptr);
++#endif
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	*width = png_get_image_width(data->png_ptr, data->info_ptr);
++	*height = png_get_image_height(data->png_ptr, data->info_ptr);
++	{
++		png_byte value = png_get_bit_depth(data->png_ptr, data->info_ptr);
++    	assert(value == 8 || value == 16);
++		value = png_get_color_type(data->png_ptr, data->info_ptr);
++    	assert(value == PNG_COLOR_TYPE_RGB || value == PNG_COLOR_TYPE_RGB_ALPHA);
++    	value = png_get_interlace_type(data->png_ptr, data->info_ptr);
++    	assert(value == PNG_INTERLACE_NONE);
++	}
++#else
+     *width = data->info_ptr->width;
+     *height = data->info_ptr->height;
+-
+     assert(data->info_ptr->bit_depth == 8 || data->info_ptr->bit_depth == 16);
+     assert(data->info_ptr->color_type == PNG_COLOR_TYPE_RGB || data->info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA);
+     assert(data->info_ptr->interlace_type == PNG_INTERLACE_NONE);
++#endif
+
+     data->have_read = 0;
+
+@@ -81,32 +101,51 @@
+ {
+     png_data_t *data = (png_data_t*)_data;
+     int i;
+-    int bps, spp;
++    int bps, spp, width;
+     unsigned char *row;
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if(png_get_color_type(data->png_ptr, data->info_ptr) == PNG_COLOR_TYPE_RGB)
++#else
+     if (data->info_ptr->color_type == PNG_COLOR_TYPE_RGB)
++#endif
+ 	spp = 3;
+     else
+ 	spp = 4;
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if(png_get_bit_depth(data->png_ptr, data->info_ptr) == 16)
++#else
+     if (data->info_ptr->bit_depth == 16)
++#endif
+ 	bps = 2;
+     else
+ 	bps = 1;
+
+-    row = (unsigned char*)malloc(data->info_ptr->width * spp * bps);
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	width = png_get_image_width(data->png_ptr, data->info_ptr);
++#else
++    width = data->info_ptr->width:
++#endif
++
++    row = (unsigned char*)malloc(width * spp * bps);
+
+     for (i = 0; i < num_lines; ++i)
+     {
+ 	int j, channel;
+
+ 	png_read_row(data->png_ptr, (png_bytep)row, 0);
+-	for (j = 0; j < data->info_ptr->width; ++j)
++	for (j = 0; j < width; ++j)
+ 	    for (channel = 0; channel < 3; ++channel)
+-		lines[i * data->info_ptr->width * 3 + j * 3 + channel] = row[j * spp * bps + channel * bps];
++		lines[i * width * 3 + j * 3 + channel] = row[j * spp * bps + channel * bps];
+     }
+
+     free(row);
+@@ -119,7 +158,11 @@
+ {
+     png_data_t *data = (png_data_t*)_data;
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
+     if (data->have_read)
+@@ -148,7 +191,11 @@
+     data->info_ptr = png_create_info_struct(data->png_ptr);
+     assert(data->info_ptr != 0);
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
+     if (pixel_stride == 4)
+@@ -156,6 +203,16 @@
+
+     png_init_io(data->png_ptr, data->file);
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	png_set_IHDR(data->png_ptr, data->info_ptr,
++		width, height, 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
++		PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
++
++	/* Maybe does not need following. */
++	png_set_tRNS(data->png_ptr, data->info_ptr, NULL, 0, NULL);
++	png_set_PLTE(data->png_ptr, data->info_ptr, NULL, 0);
++	png_set_invalid(data->png_ptr, data->info_ptr, 0);
++#else
+     data->info_ptr->width = width;
+     data->info_ptr->height = height;
+     data->info_ptr->valid = 0;
+@@ -168,6 +225,7 @@
+     data->info_ptr->compression_type = PNG_COMPRESSION_TYPE_DEFAULT;
+     data->info_ptr->filter_type = PNG_FILTER_TYPE_DEFAULT;
+     data->info_ptr->interlace_type = PNG_INTERLACE_NONE;
++#endif
+
+     png_write_info(data->png_ptr, data->info_ptr);
+
+@@ -182,7 +240,11 @@
+     png_data_t *data = (png_data_t*)_data;
+     int i;
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
+     for (i = 0; i < num_lines; ++i)
+@@ -194,7 +256,11 @@
+ {
+     png_data_t *data = (png_data_t*)_data;
+
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++	if (setjmp(png_jmpbuf((data->png_ptr))))
++#else
+     if (setjmp(data->png_ptr->jmpbuf))
++#endif
+ 	assert(0);
+
+     png_write_end(data->png_ptr, data->info_ptr);