[gs-commits] mupdf 1.16.1.75 Update fz_stream/fz_output with float rea

commit 9f46b6876806d2059e544a832bcbcabdb4a330c3
Author: Robin Watts <[email protected]>
Date:   Wed Oct 2 17:47:11 2019 +0100

    Update fz_stream/fz_output with float reading/writing functions.

diff --git a/include/mupdf/fitz/output.h b/include/mupdf/fitz/output.h
index abd51b8..ea23c31 100644
--- a/include/mupdf/fitz/output.h
+++ b/include/mupdf/fitz/output.h
@@ -126,6 +126,8 @@ void fz_write_uint16_be(fz_context *ctx, fz_output *out, unsigned int x);
 void fz_write_uint16_le(fz_context *ctx, fz_output *out, unsigned int x);
 void fz_write_char(fz_context *ctx, fz_output *out, char x);
 void fz_write_byte(fz_context *ctx, fz_output *out, unsigned char x);
+void fz_write_float_be(fz_context *ctx, fz_output *out, float f);
+void fz_write_float_le(fz_context *ctx, fz_output *out, float f);
 
 void fz_write_rune(fz_context *ctx, fz_output *out, int rune);
 
diff --git a/include/mupdf/fitz/stream.h b/include/mupdf/fitz/stream.h
index acf6b28..76ffd99 100644
--- a/include/mupdf/fitz/stream.h
+++ b/include/mupdf/fitz/stream.h
@@ -60,6 +60,9 @@ int16_t fz_read_int16_le(fz_context *ctx, fz_stream *stm);
 int32_t fz_read_int32_le(fz_context *ctx, fz_stream *stm);
 int64_t fz_read_int64_le(fz_context *ctx, fz_stream *stm);
 
+float fz_read_float_le(fz_context *ctx, fz_stream *stm);
+float fz_read_float(fz_context *ctx, fz_stream *stm);
+
 void fz_read_string(fz_context *ctx, fz_stream *stm, char *buffer, int len);
 
 /*
diff --git a/source/fitz/output.c b/source/fitz/output.c
index cdbd315..5964dce 100644
--- a/source/fitz/output.c
+++ b/source/fitz/output.c
@@ -519,6 +519,21 @@ fz_write_uint16_le(fz_context *ctx, fz_output *out, unsigned int x)
 	fz_write_int16_le(ctx, out, (int)x);
 }
 
+void
+fz_write_float_le(fz_context *ctx, fz_output *out, float f)
+{
+	union {float f; int32_t i;} u;
+	u.f = f;
+	fz_write_int32_le(ctx, out, u.i);
+}
+
+void
+fz_write_float_be(fz_context *ctx, fz_output *out, float f)
+{
+	union {float f; int32_t i;} u;
+	u.f = f;
+	fz_write_int32_be(ctx, out, u.i);
+}
 
 /*
 	Write a UTF-8 encoded unicode character.
diff --git a/source/fitz/stream-read.c b/source/fitz/stream-read.c
index dcb42e0..947b593 100644
--- a/source/fitz/stream-read.c
+++ b/source/fitz/stream-read.c
@@ -374,6 +374,25 @@ int16_t fz_read_int16_le(fz_context *ctx, fz_stream *stm) { return (int16_t)fz_r
 int32_t fz_read_int32_le(fz_context *ctx, fz_stream *stm) { return (int32_t)fz_read_uint32_le(ctx, stm); }
 int64_t fz_read_int64_le(fz_context *ctx, fz_stream *stm) { return (int64_t)fz_read_uint64_le(ctx, stm); }
 
+float
+fz_read_float_le(fz_context *ctx, fz_stream *stm)
+{
+	union {float f;int32_t i;} u;
+
+	u.i = fz_read_int32_le(ctx, stm);
+	return u.f;
+}
+
+float
+fz_read_float(fz_context *ctx, fz_stream *stm)
+{
+	union {float f;int32_t i;} u;
+
+	u.i = fz_read_int32(ctx, stm);
+	return u.f;
+}
+
+
 /*
 	Read a null terminated string from the stream into
 	a buffer of a given length. The buffer will be null terminated.

http://git.ghostscript.com/?p=mupdf.git;a=commit;h=9f46b6876806d2059e544a832bcbcabdb4a330c3

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