Split fitz.h into subheaders.

1 files changed, 129 insertions, 0 deletions

diff --git a/include/mupdf/fitz/buffer.h b/include/mupdf/fitz/buffer.h
new file mode 100644
index 00000000..e2b57b29
--- /dev/null
+++ b/include/mupdf/fitz/buffer.h
@@ -0,0 +1,129 @@
+#ifndef MUPDF_FITZ_BUFFER_H
+#define MUPDF_FITZ_BUFFER_H
+
+/*
+	fz_buffer is a wrapper around a dynamically allocated array of bytes.
+
+	Buffers have a capacity (the number of bytes storage immediately
+	available) and a current size.
+*/
+typedef struct fz_buffer_s fz_buffer;
+
+/*
+	fz_keep_buffer: Increment the reference count for a buffer.
+
+	buf: The buffer to increment the reference count for.
+
+	Returns a pointer to the buffer. Does not throw exceptions.
+*/
+fz_buffer *fz_keep_buffer(fz_context *ctx, fz_buffer *buf);
+
+/*
+	fz_drop_buffer: Decrement the reference count for a buffer.
+
+	buf: The buffer to decrement the reference count for.
+*/
+void fz_drop_buffer(fz_context *ctx, fz_buffer *buf);
+
+/*
+	fz_buffer_storage: Retrieve information on the storage currently used
+	by a buffer.
+
+	data: Pointer to place to retrieve data pointer.
+
+	Returns length of stream.
+*/
+int fz_buffer_storage(fz_context *ctx, fz_buffer *buf, unsigned char **data);
+
+struct fz_buffer_s
+{
+	int refs;
+	unsigned char *data;
+	int cap, len;
+	int unused_bits;
+};
+
+/*
+	fz_new_buffer: Create a new buffer.
+
+	capacity: Initial capacity.
+
+	Returns pointer to new buffer. Throws exception on allocation
+	failure.
+*/
+fz_buffer *fz_new_buffer(fz_context *ctx, int capacity);
+
+/*
+	fz_new_buffer: Create a new buffer.
+
+	capacity: Initial capacity.
+
+	Returns pointer to new buffer. Throws exception on allocation
+	failure.
+*/
+fz_buffer *fz_new_buffer_from_data(fz_context *ctx, unsigned char *data, int size);
+
+/*
+	fz_resize_buffer: Ensure that a buffer has a given capacity,
+	truncating data if required.
+
+	buf: The buffer to alter.
+
+	capacity: The desired capacity for the buffer. If the current size
+	of the buffer contents is smaller than capacity, it is truncated.
+
+*/
+void fz_resize_buffer(fz_context *ctx, fz_buffer *buf, int capacity);
+
+/*
+	fz_grow_buffer: Make some space within a buffer (i.e. ensure that
+	capacity > size).
+
+	buf: The buffer to grow.
+
+	May throw exception on failure to allocate.
+*/
+void fz_grow_buffer(fz_context *ctx, fz_buffer *buf);
+
+/*
+	fz_trim_buffer: Trim wasted capacity from a buffer.
+
+	buf: The buffer to trim.
+*/
+void fz_trim_buffer(fz_context *ctx, fz_buffer *buf);
+
+/*
+	fz_buffer_cat: Concatenate buffers
+
+	buf: first to concatenate and the holder of the result
+	extra: second to concatenate
+
+	May throw exception on failure to allocate.
+*/
+void fz_buffer_cat(fz_context *ctx, fz_buffer *buf, fz_buffer *extra);
+
+void fz_write_buffer(fz_context *ctx, fz_buffer *buf, const void *data, int len);
+
+void fz_write_buffer_byte(fz_context *ctx, fz_buffer *buf, int val);
+
+void fz_write_buffer_rune(fz_context *ctx, fz_buffer *buf, int val);
+
+void fz_write_buffer_bits(fz_context *ctx, fz_buffer *buf, int val, int bits);
+
+void fz_write_buffer_pad(fz_context *ctx, fz_buffer *buf);
+
+/*
+	fz_buffer_printf: print formatted to a buffer. The buffer will grow
+	as required.
+*/
+int fz_buffer_printf(fz_context *ctx, fz_buffer *buffer, const char *fmt, ...);
+int fz_buffer_vprintf(fz_context *ctx, fz_buffer *buffer, const char *fmt, va_list args);
+
+/*
+	fz_buffer_printf: print a string formatted as a pdf string to a buffer.
+	The buffer will grow.
+*/
+void
+fz_buffer_cat_pdf_string(fz_context *ctx, fz_buffer *buffer, const char *text);
+
+#endif