/* PSPP - a program for statistical analysis.
- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010, 2011, 2014 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <stdbool.h>
#include <stddef.h>
-#include <output/table-provider.h>
+#include "output/table-provider.h"
struct table;
int (*measure_cell_height) (void *aux, const struct table_cell *cell,
int width);
+ /* Given that there is space measuring WIDTH by HEIGHT to render CELL,
+ where HEIGHT is insufficient to render the entire height of the cell,
+ returns the largest height less than HEIGHT at which it is appropriate
+ to break the cell. For example, if breaking at the specified HEIGHT
+ would break in the middle of a line of text, the return value would be
+ just sufficiently less that the breakpoint would be between lines of
+ text.
+
+ Optional. If NULL, the rendering engine assumes that all breakpoints
+ are acceptable. */
+ int (*adjust_break) (void *aux, const struct table_cell *cell,
+ int width, int height);
+
/* Draws a generalized intersection of lines in the rectangle whose
top-left corner is (BB[TABLE_HORZ][0], BB[TABLE_VERT][0]) and whose
bottom-right corner is (BB[TABLE_HORZ][1], BB[TABLE_VERT][1]).
/* Width of different kinds of lines. */
int line_widths[TABLE_N_AXES][RENDER_N_LINES];
+
+ /* Minimum cell width or height before allowing the cell to be broken
+ across two pages. (Joined cells may always be broken at join
+ points.) */
+ int min_break[TABLE_N_AXES];
};
\f
/* A "page" of content that is ready to be rendered.
int render_page_get_size (const struct render_page *, enum table_axis);
void render_page_draw (const struct render_page *);
+void render_page_draw_region (const struct render_page *,
+ int x, int y, int w, int h);
+
+int render_page_get_best_breakpoint (const struct render_page *, int height);
\f
/* An iterator for breaking render_pages into smaller chunks. */
struct render_break
{
struct render_page *page; /* Page being broken up. */
enum table_axis axis; /* Axis along which 'page' is being broken. */
- int cell; /* Next cell. */
- int pixel; /* Pixel offset within 'cell' (usually 0). */
+ int z; /* Next cell along 'axis'. */
+ int pixel; /* Pixel offset within cell 'z' (usually 0). */
int hw; /* Width of headers of 'page' along 'axis'. */
};