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Revise the printing colour framework so that we can explicitly

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request either of hatching or halftoning, and also choose which to
supply as a fallback when printing in colour.

[originally from svn r7976]
This commit is contained in:
Simon Tatham
2008-04-07 17:13:29 +00:00
parent 30da25262d
commit 0564211167
9 changed files with 172 additions and 105 deletions
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26
puzzles.h
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@ -110,14 +110,12 @@ typedef struct psdata psdata;
#define FONT_VARIABLE 1
/* For printing colours */
#define HATCH_SOLID 0
#define HATCH_CLEAR 1
#define HATCH_SLASH 2
#define HATCH_BACKSLASH 3
#define HATCH_HORIZ 4
#define HATCH_VERT 5
#define HATCH_PLUS 6
#define HATCH_X 7
#define HATCH_SLASH 1
#define HATCH_BACKSLASH 2
#define HATCH_HORIZ 3
#define HATCH_VERT 4
#define HATCH_PLUS 5
#define HATCH_X 6
/*
* Structure used to pass configuration data between frontend and
@ -205,11 +203,15 @@ void print_begin_puzzle(drawing *dr, float xm, float xc,
void print_end_puzzle(drawing *dr);
void print_end_page(drawing *dr, int number);
void print_end_doc(drawing *dr);
void print_get_colour(drawing *dr, int colour, int *hatch,
float *r, float *g, float *b);
void print_get_colour(drawing *dr, int colour, int printing_in_colour,
int *hatch, float *r, float *g, float *b);
int print_mono_colour(drawing *dr, int grey); /* 0==black, 1==white */
int print_grey_colour(drawing *dr, int hatch, float grey);
int print_rgb_colour(drawing *dr, int hatch, float r, float g, float b);
int print_grey_colour(drawing *dr, float grey);
int print_hatched_colour(drawing *dr, int hatch);
int print_rgb_mono_colour(drawing *dr, float r, float g, float b, float mono);
int print_rgb_grey_colour(drawing *dr, float r, float g, float b, float grey);
int print_rgb_hatched_colour(drawing *dr, float r, float g, float b,
int hatch);
void print_line_width(drawing *dr, int width);
/*