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$NetBSD: patch-ab,v 1.4 2011/02/06 08:57:07 markd Exp $
Fix build with png 1.5
--- src/_png.cpp.orig 2009-08-01 19:14:01.000000000 +0000
+++ src/_png.cpp
@@ -122,7 +122,7 @@ Py::Object _png_module::write_png(const
throw Py::RuntimeError("Could not create info struct");
}
- if (setjmp(png_ptr->jmpbuf)) {
+ if (setjmp(png_jmpbuf(png_ptr))) {
throw Py::RuntimeError("Error building image");
}
@@ -210,10 +210,10 @@ _png_module::read_png(const Py::Tuple& a
png_set_sig_bytes(png_ptr, 8);
png_read_info(png_ptr, info_ptr);
- png_uint_32 width = info_ptr->width;
- png_uint_32 height = info_ptr->height;
+ png_uint_32 width = png_get_image_width(png_ptr, info_ptr);
+ png_uint_32 height = png_get_image_height(png_ptr, info_ptr);
- int bit_depth = info_ptr->bit_depth;
+ int bit_depth = png_get_bit_depth(png_ptr, info_ptr);
// Unpack 1, 2, and 4-bit images
if (bit_depth < 8)
@@ -221,7 +221,7 @@ _png_module::read_png(const Py::Tuple& a
// If sig bits are set, shift data
png_color_8p sig_bit;
- if ((info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) && png_get_sBIT(png_ptr, info_ptr, &sig_bit))
+ if ((png_get_color_type(png_ptr, info_ptr) != PNG_COLOR_TYPE_PALETTE) && png_get_sBIT(png_ptr, info_ptr, &sig_bit))
png_set_shift(png_ptr, sig_bit);
// Convert big endian to little
@@ -229,11 +229,11 @@ _png_module::read_png(const Py::Tuple& a
png_set_swap(png_ptr);
// Convert palletes to full RGB
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
+ if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png_ptr);
// If there's an alpha channel convert gray to RGB
- if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
png_set_interlace_handling(png_ptr);
@@ -254,14 +254,14 @@ _png_module::read_png(const Py::Tuple& a
npy_intp dimensions[3];
dimensions[0] = height; //numrows
dimensions[1] = width; //numcols
- if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA)
+ if (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_ALPHA)
dimensions[2] = 4; //RGBA images
- else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR)
+ else if (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_COLOR)
dimensions[2] = 3; //RGB images
else
dimensions[2] = 1; //Greyscale images
//For gray, return an x by y array, not an x by y by 1
- int num_dims = (info_ptr->color_type & PNG_COLOR_MASK_COLOR) ? 3 : 2;
+ int num_dims = (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_COLOR) ? 3 : 2;
double max_value = (1 << ((bit_depth < 8) ? 8 : bit_depth)) - 1;
PyArrayObject *A = (PyArrayObject *) PyArray_SimpleNew(num_dims, dimensions, PyArray_FLOAT);
@@ -290,7 +290,7 @@ _png_module::read_png(const Py::Tuple& a
//free the png memory
png_read_end(png_ptr, info_ptr);
- png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
+ png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
fclose(fp);
for (row = 0; row < height; row++)
delete [] row_pointers[row];
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