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-rw-r--r--graphics/metapixel/metapixel-rwimg.patch258
-rw-r--r--graphics/metapixel/metapixel.SlackBuild4
2 files changed, 262 insertions, 0 deletions
diff --git a/graphics/metapixel/metapixel-rwimg.patch b/graphics/metapixel/metapixel-rwimg.patch
new file mode 100644
index 0000000000..40e82238c7
--- /dev/null
+++ b/graphics/metapixel/metapixel-rwimg.patch
@@ -0,0 +1,258 @@
+diff -u -r metapixel-1.0.2/rwimg/rwgif.c metapixel-1.0.2-rwimg/rwimg/rwgif.c
+--- metapixel-1.0.2/rwimg/rwgif.c 2006-12-10 17:59:54.000000000 +0000
++++ metapixel-1.0.2-rwimg/rwimg/rwgif.c 2015-08-27 16:46:56.402621517 +0100
+@@ -54,7 +54,7 @@
+
+ assert(data != 0);
+
+- data->file = DGifOpenFileName(filename);
++ data->file = DGifOpenFileName(filename, NULL);
+
+ assert(data->file !=0);
+
+@@ -137,7 +137,7 @@
+ }
+ free(buffer);
+
+- assert(DGifCloseFile(data->file) == GIF_OK);
++ assert(DGifCloseFile(data->file, NULL) == GIF_OK);
+
+ return data;
+ }
+diff -u -r metapixel-1.0.2/rwimg/rwpng.c metapixel-1.0.2-rwimg/rwimg/rwpng.c
+--- metapixel-1.0.2/rwimg/rwpng.c 2006-12-10 17:59:54.000000000 +0000
++++ metapixel-1.0.2-rwimg/rwimg/rwpng.c 2015-08-27 16:44:12.337891932 +0100
+@@ -35,6 +35,7 @@
+ png_structp png_ptr;
+ png_infop info_ptr, end_info;
+ int row_stride;
++ int pixel_stride;
+ int have_read;
+ } png_data_t;
+
+@@ -42,10 +43,11 @@
+ open_png_file_reading (const char *filename, int *width, int *height)
+ {
+ png_data_t *data = (png_data_t*)malloc(sizeof(png_data_t));
++ int bit_depth, color_type;
+
+ assert(data != 0);
+
+- data->file = fopen(filename, "r");
++ data->file = fopen(filename, "rb");
+ assert(data->file != 0);
+
+ data->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
+@@ -57,19 +59,41 @@
+ data->end_info = png_create_info_struct(data->png_ptr);
+ assert(data->end_info != 0);
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
+ png_init_io(data->png_ptr, data->file);
+
+ png_read_info(data->png_ptr, data->info_ptr);
+
+- *width = data->info_ptr->width;
+- *height = data->info_ptr->height;
++ *width = png_get_image_width (data->png_ptr, data->info_ptr);
++ *height = png_get_image_height (data->png_ptr, data->info_ptr);
+
+- 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);
++ bit_depth = png_get_bit_depth (data->png_ptr, data->info_ptr);
++ if (bit_depth != 8 && bit_depth != 16)
++ {
++ fprintf(stderr, "PNG files are only supported with bit depths 8 and 16.\n");
++ /* FIXME: free stuff */
++ return 0;
++ }
++
++ color_type = png_get_color_type (data->png_ptr, data->info_ptr);
++ if (color_type != PNG_COLOR_TYPE_RGB
++ && color_type != PNG_COLOR_TYPE_RGB_ALPHA
++ && color_type != PNG_COLOR_TYPE_GRAY
++ && color_type != PNG_COLOR_TYPE_GRAY_ALPHA)
++ {
++ fprintf(stderr, "PNG files are only supported in RGB and Gray, with or without alpha.\n");
++ /* FIXME: free stuff */
++ return 0;
++ }
++
++ if (png_get_interlace_type (data->png_ptr, data->info_ptr) != PNG_INTERLACE_NONE)
++ {
++ fprintf(stderr, "Interlaced PNG files are not supported.\n");
++ /* FIXME: free stuff */
++ return 0;
++ }
+
+ data->have_read = 0;
+
+@@ -83,30 +107,44 @@
+ int i;
+ int bps, spp;
+ unsigned char *row;
++ int color_type, width;
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
+- if (data->info_ptr->color_type == PNG_COLOR_TYPE_RGB)
++ color_type = png_get_color_type (data->png_ptr, data->info_ptr);
++ if (color_type == PNG_COLOR_TYPE_GRAY)
++ spp = 1;
++ else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
++ spp = 2;
++ else if (color_type == PNG_COLOR_TYPE_RGB)
+ spp = 3;
+ else
+ spp = 4;
+
+- if (data->info_ptr->bit_depth == 16)
++ if (png_get_bit_depth (data->png_ptr, data->info_ptr) == 16)
+ bps = 2;
+ else
+ bps = 1;
+
+- row = (unsigned char*)malloc(data->info_ptr->width * spp * bps);
++ width = png_get_image_width (data->png_ptr, data->info_ptr);
++ 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 (channel = 0; channel < 3; ++channel)
+- lines[i * data->info_ptr->width * 3 + j * 3 + channel] = row[j * spp * bps + channel * bps];
++
++ if (spp <= 2)
++ for (j = 0; j < width; ++j)
++ for (channel = 0; channel < 3; ++channel)
++ lines[i * width * 3 + j * 3 + channel] = row[j * spp * bps];
++ else
++ for (j = 0; j < width; ++j)
++ for (channel = 0; channel < 3; ++channel)
++ lines[i * width * 3 + j * 3 + channel]
++ = row[j * spp * bps + channel * bps];
+ }
+
+ free(row);
+@@ -119,7 +157,7 @@
+ {
+ png_data_t *data = (png_data_t*)_data;
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
+ if (data->have_read)
+@@ -137,9 +175,9 @@
+
+ assert(data != 0);
+
+- assert(pixel_stride == 3 || pixel_stride == 4);
++ assert(pixel_stride >= 3);
+
+- data->file = fopen(filename, "w");
++ data->file = fopen(filename, "wb");
+ assert(data->file != 0);
+
+ data->png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
+@@ -148,7 +186,7 @@
+ data->info_ptr = png_create_info_struct(data->png_ptr);
+ assert(data->info_ptr != 0);
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
+ if (pixel_stride == 4)
+@@ -156,21 +194,13 @@
+
+ png_init_io(data->png_ptr, data->file);
+
+- data->info_ptr->width = width;
+- data->info_ptr->height = height;
+- data->info_ptr->valid = 0;
+- data->info_ptr->rowbytes = width * 3;
+- data->info_ptr->palette = 0;
+- data->info_ptr->num_palette = 0;
+- data->info_ptr->num_trans = 0;
+- data->info_ptr->bit_depth = 8;
+- data->info_ptr->color_type = PNG_COLOR_TYPE_RGB;
+- 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;
++ 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);
+
+ png_write_info(data->png_ptr, data->info_ptr);
+
++ data->pixel_stride = pixel_stride;
+ data->row_stride = row_stride;
+
+ return data;
+@@ -180,13 +210,45 @@
+ png_write_lines (void *_data, unsigned char *lines, int num_lines)
+ {
+ png_data_t *data = (png_data_t*)_data;
++ unsigned char *packed_line;
+ int i;
++ int width;
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
++ width = png_get_image_width (data->png_ptr, data->info_ptr);
++ if (data->pixel_stride != 3)
++ {
++ packed_line = (unsigned char*)malloc(width * 3);
++ assert(packed_line != 0);
++ }
++ else
++ packed_line = 0;
++
+ for (i = 0; i < num_lines; ++i)
+- png_write_row(data->png_ptr, (png_bytep)(lines + i * data->row_stride));
++ {
++ unsigned char *p = lines + i * data->row_stride;
++
++ if (packed_line != 0)
++ {
++ int j;
++
++ for (j = 0; j < width; ++j)
++ {
++ packed_line[j * 3 + 0] = p[j * data->pixel_stride + 0];
++ packed_line[j * 3 + 1] = p[j * data->pixel_stride + 1];
++ packed_line[j * 3 + 2] = p[j * data->pixel_stride + 2];
++ }
++
++ p = packed_line;
++ }
++
++ png_write_row(data->png_ptr, (png_bytep)p);
++ }
++
++ if (packed_line != 0)
++ free(packed_line);
+ }
+
+ void
+@@ -194,7 +256,7 @@
+ {
+ png_data_t *data = (png_data_t*)_data;
+
+- if (setjmp(data->png_ptr->jmpbuf))
++ if (setjmp (png_jmpbuf (data->png_ptr)))
+ assert(0);
+
+ png_write_end(data->png_ptr, data->info_ptr);
diff --git a/graphics/metapixel/metapixel.SlackBuild b/graphics/metapixel/metapixel.SlackBuild
index 07a2db5c53..f680bf172e 100644
--- a/graphics/metapixel/metapixel.SlackBuild
+++ b/graphics/metapixel/metapixel.SlackBuild
@@ -51,6 +51,10 @@ find -L . \
\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
-exec chmod 644 {} \;
+# Fix for libpng-1.5 and giflib-5.1 from rwimg git submodule
+# https://github.com/schani/rwimg
+patch -p1 < $CWD/metapixel-rwimg.patch
+
mkdir -p $PKG/usr/man/man1
make MANDIR=$PKG/man LDOPTS="-L/usr/X11R6/lib${LIBDIRSUFFIX}"
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 07:57:21 +0000