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--- input-png.c.orig 2012-03-02 09:30:00.958350697 -0600
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+++ input-png.c 2012-03-02 09:32:50.728927667 -0600
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@@ -42,7 +42,7 @@
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static void handle_warning(png_structp png, const at_string message) {
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LOG1("PNG warning: %s", message);
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- at_exception_warning((at_exception_type *)png->error_ptr,
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+ at_exception_warning((at_exception_type *)png_get_error_ptr(png),
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message);
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/* at_exception_fatal((at_exception_type *)at_png->error_ptr,
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"PNG warning"); */
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@@ -50,7 +50,7 @@
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static void handle_error(png_structp png, const at_string message) {
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LOG1("PNG error: %s", message);
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- at_exception_fatal((at_exception_type *)png->error_ptr,
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+ at_exception_fatal((at_exception_type *)png_get_error_ptr(png),
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message);
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/* at_exception_fatal((at_exception_type *)at_png->error_ptr,
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"PNG error"); */
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@@ -157,8 +157,8 @@
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png_set_strip_16(png_ptr);
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png_set_packing(png_ptr);
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- if ((png_ptr->bit_depth < 8) ||
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- (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ||
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+ if ((png_get_bit_depth(png_ptr, info_ptr) < 8) ||
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+ (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE) ||
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(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)))
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png_set_expand(png_ptr);
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@@ -181,20 +181,10 @@
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PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
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} else
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png_set_strip_alpha(png_ptr);
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+ png_set_interlace_handling(png_ptr);
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png_read_update_info(png_ptr, info_ptr);
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-
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- info_ptr->row_pointers = (png_bytepp)png_malloc(png_ptr,
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- info_ptr->height * sizeof(png_bytep));
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-#ifdef PNG_FREE_ME_SUPPORTED
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- info_ptr->free_me |= PNG_FREE_ROWS;
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-#endif
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- for (row = 0; row < (int)info_ptr->height; row++)
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- info_ptr->row_pointers[row] = (png_bytep)png_malloc(png_ptr,
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- png_get_rowbytes(png_ptr, info_ptr));
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-
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- png_read_image(png_ptr, info_ptr->row_pointers);
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- info_ptr->valid |= PNG_INFO_IDAT;
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+ png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
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png_read_end(png_ptr, info_ptr);
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return png_get_rows(png_ptr, info_ptr);
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}
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