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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /fonts/utilities/ps2pk/pkout.h
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+/* FILE: pkout.h
+ * PURPOSE: interface to te PK output functions (pkfile.c)
+ * COMMENT: See the pktest.c example program how to use the PK functions.
+ * (see README for license)
+ */
+
+/* A function for opening a pk file */
+void pk_open(char *name);
+
+/* A function for closing a pk file */
+void pk_close(void);
+
+/* A function for writing the preamble */
+void pk_preamble(char *comment, /* comment string: source of font */
+ float pointsize, /* design size in points */
+ int32_t checksum, /* checksum */
+ unsigned int h_res, /* horizontal resolution (dpi) */
+ unsigned int v_res); /* vertical resolution (dpi) */
+
+/* For packing a character */
+void pk_char(int char_code, /* character code 0..255 */
+ int32_t tfm_width, /* TFM width of character */
+ int h_escapement, /* horizontal escapement in pixels */
+ unsigned int width, /* width of bounding box */
+ unsigned int height, /* height of bounding box */
+ int h_offset, /* horizontal offset to reference point */
+ int v_offset, /* vertical offset to reference point */
+ int (*next_pixel)()); /* user's pixel generator */
+
+/* Barebone postample */
+void pk_postamble(void);
+
+/* PS2PK postamble */
+void ps2pk_postamble(char *fontname, /* The real FontName from the afm */
+ char *encname, /* The actual name, not the filename */
+ int base_res, /* basic resolution */
+ int h_res, /* Match against base_res for mag */
+ int v_res, /* Match against h_res for aspect_ratio */
+ float pointsize, /* Used for fontfacebyte calculation */
+ char *args); /* Essential ps2pk args */
+
+/* Here are some definitions to play with pixels */
+#define BLACK 1
+#define WHITE 0
+#define OTHER(pixel) (pixel==BLACK? WHITE: BLACK)