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root/Development/ray/src/common/bmpfile.h

Comparing ray/src/common/bmpfile.h (file contents):
Revision 2.6 by greg, Sat May 31 19:38:36 2008 UTC vs.
Revision 2.7 by greg, Tue Jan 10 18:24:53 2017 UTC

#	Line 90 | Line 90 | typedef struct {
90		} BMPWriter;
91
92		/* open BMP stream for reading */
93	<	BMPReader       *BMPopenReader(int (*cget)(void *),
93	>	extern BMPReader       *BMPopenReader(int (*cget)(void *),
94		int (*seek)(uint32, void *), void *c_data);
95
96		/* determine if image is grayscale */
97	<	int             BMPisGrayscale(const BMPHeader *hdr);
97	>	extern int              BMPisGrayscale(const BMPHeader *hdr);
98
99		/* read next BMP scanline */
100	<	int             BMPreadScanline(BMPReader *br);
100	>	extern int              BMPreadScanline(BMPReader *br);
101
102		/* read a specific scanline */
103	<	int             BMPseekScanline(int y, BMPReader *br);
103	>	extern int              BMPseekScanline(int y, BMPReader *br);
104
105		/* get ith pixel from last scanline */
106	<	RGBquad         BMPdecodePixel(int i, const BMPReader *br);
106	>	extern RGBquad          BMPdecodePixel(int i, const BMPReader *br);
107
108		/* free BMP reader resources */
109	<	void            BMPfreeReader(BMPReader *br);
109	>	extern void             BMPfreeReader(BMPReader *br);
110
111		/* allocate uncompressed RGB header */
112	<	BMPHeader       *BMPtruecolorHeader(int xr, int yr, int infolen);
112	>	extern BMPHeader       *BMPtruecolorHeader(int xr, int yr, int infolen);
113
114		/* allocate color-mapped header */
115	<	BMPHeader       *BMPmappedHeader(int xr, int yr, int infolen, int ncolors);
115	>	extern BMPHeader       *BMPmappedHeader(int xr, int yr, int infolen, int ncolors);
116
117		/* open BMP stream for writing */
118	<	BMPWriter       *BMPopenWriter(void (*cput)(int, void *),
118	>	extern BMPWriter        *BMPopenWriter(void (*cput)(int, void *),
119		int (*seek)(uint32, void *), void *c_data,
120		BMPHeader *hdr);
121
122		/* write the prepared scanline */
123	<	int             BMPwriteScanline(BMPWriter *bw);
123	>	extern int              BMPwriteScanline(BMPWriter *bw);
124
125		/* free BMP writer resources */
126	<	void            BMPfreeWriter(BMPWriter *bw);
126	>	extern void             BMPfreeWriter(BMPWriter *bw);
127
128		/* get corresponding error message */
129	<	const char      *BMPerrorMessage(int ec);
129	>	extern const char      *BMPerrorMessage(int ec);
130
131		/* stdio callback functions */
132	<	int             stdio_getc(void *p);
133	<	void            stdio_putc(int c, void *p);
134	<	int             stdio_fseek(uint32 pos, void *p);
132	>	extern int              stdio_getc(void *p);
133	>	extern void             stdio_putc(int c, void *p);
134	>	extern int              stdio_fseek(uint32 pos, void *p);
135
136		/* open stdio input stream */
137		#define BMPopenInputStream(fp)  BMPopenReader(&stdio_getc, NULL, (void *)fp)

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