X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcairo.c;h=516ac7616392b8a903a5c17a6068bf5cc61160d6;hb=fce028c380d496e42823fd24774e0159ed7cc110;hp=e15acbb7aa0f3029671f72137654082d6bf391ca;hpb=7720f4e8ad3d3835720e707f9eeed099118b036d;p=pspp diff --git a/src/output/cairo.c b/src/output/cairo.c index e15acbb7aa..516ac76163 100644 --- a/src/output/cairo.c +++ b/src/output/cairo.c @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 2009, 2010, 2011, 2012, 2013 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 @@ -32,6 +32,7 @@ #include "output/charts/piechart.h" #include "output/charts/plot-hist.h" #include "output/charts/roc-chart.h" +#include "output/charts/spreadlevel-plot.h" #include "output/charts/scree.h" #include "output/driver-provider.h" #include "output/message-item.h" @@ -52,7 +53,6 @@ #include #include -#include "gl/error.h" #include "gl/intprops.h" #include "gl/minmax.h" #include "gl/xalloc.h" @@ -65,8 +65,7 @@ #define V TABLE_VERT /* Measurements as we present to the rest of PSPP. */ -#define XR_POINT PANGO_SCALE -#define XR_INCH (XR_POINT * 72) +#define XR_POINT 1000 /* Conversions to and from points. */ static double @@ -131,6 +130,9 @@ struct xr_driver int line_space; /* Space between lines. */ int line_width; /* Width of lines. */ + double bg_red, bg_green, bg_blue; /* Background color */ + double fg_red, fg_green, fg_blue; /* Foreground color */ + /* Internal state. */ struct render_params *params; int char_width, char_height; @@ -177,6 +179,37 @@ opt (struct output_driver *d, struct string_map *options, const char *key, return driver_option_get (d, options, key, default_value); } +/* Parse color information specified by KEY into {RED,GREEN,BLUE}. + Currently, the input string must be of the form "#RRRRGGGGBBBB" + Future implementations might allow things like "yellow" and + "sky-blue-ultra-brown" +*/ +static void +parse_color (struct output_driver *d, struct string_map *options, + const char *key, const char *default_value, + double *dred, double *dgreen, double *dblue) +{ + int red, green, blue; + char *string = parse_string (opt (d, options, key, default_value)); + + if (3 != sscanf (string, "#%04x%04x%04x", &red, &green, &blue)) + { + /* If the parsed option string fails, then try the default value */ + if ( 3 != sscanf (default_value, "#%04x%04x%04x", &red, &green, &blue)) + { + /* ... and if that fails set everything to zero */ + red = green = blue = 0; + } + } + + free (string); + + /* Convert 16 bit ints to float */ + *dred = red / (double) 0xFFFF; + *dgreen = green / (double) 0xFFFF; + *dblue = blue / (double) 0xFFFF; +} + static PangoFontDescription * parse_font (struct output_driver *d, struct string_map *options, const char *key, const char *default_value, @@ -190,7 +223,7 @@ parse_font (struct output_driver *d, struct string_map *options, desc = pango_font_description_from_string (string); if (desc == NULL) { - error (0, 0, _("`%s': bad font specification"), string); + msg (MW, _("`%s': bad font specification"), string); /* Fall back to DEFAULT_VALUE, which had better be a valid font description. */ @@ -208,20 +241,24 @@ parse_font (struct output_driver *d, struct string_map *options, return desc; } -static struct xr_driver * -xr_allocate (const char *name, int device_type, struct string_map *o) + +static void +apply_options (struct xr_driver *xr, struct string_map *o) { - int paper_width, paper_length; - struct output_driver *d; - struct xr_driver *xr; - int font_points; + struct output_driver *d = &xr->driver; - xr = xzalloc (sizeof *xr); - d = &xr->driver; - output_driver_init (d, &cairo_driver_class, name, device_type); + int paper_width, paper_length, i; + + int font_points = parse_int (opt (d, o, "font-size", "10000"), 1000, 1000000); + + for (i = 0; i < XR_N_FONTS; i++) + { + struct xr_font *font = &xr->fonts[i]; + + if (font->desc != NULL) + pango_font_description_free (font->desc); + } - font_points = parse_int (opt (d, o, "font-size", "10000"), - 1000, 1000000); xr->fonts[XR_FONT_FIXED].desc = parse_font (d, o, "fixed-font", "monospace", font_points); xr->fonts[XR_FONT_PROPORTIONAL].desc = parse_font (d, o, "prop-font", @@ -229,11 +266,14 @@ xr_allocate (const char *name, int device_type, struct string_map *o) xr->fonts[XR_FONT_EMPHASIS].desc = parse_font (d, o, "emph-font", "serif italic", font_points); - xr->line_gutter = XR_POINT; + xr->line_gutter = parse_dimension (opt (d, o, "gutter", "3pt")); xr->line_space = XR_POINT; xr->line_width = XR_POINT / 2; xr->page_number = 0; + parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &xr->bg_red, &xr->bg_green, &xr->bg_blue); + parse_color (d, o, "foreground-color", "#000000000000", &xr->fg_red, &xr->fg_green, &xr->fg_blue); + parse_paper_size (opt (d, o, "paper-size", ""), &paper_width, &paper_length); xr->left_margin = parse_dimension (opt (d, o, "left-margin", ".5in")); xr->right_margin = parse_dimension (opt (d, o, "right-margin", ".5in")); @@ -242,44 +282,30 @@ xr_allocate (const char *name, int device_type, struct string_map *o) xr->width = paper_width - xr->left_margin - xr->right_margin; xr->length = paper_length - xr->top_margin - xr->bottom_margin; - - return xr; } -static bool -xr_is_72dpi (cairo_t *cr) +static struct xr_driver * +xr_allocate (const char *name, int device_type, struct string_map *o) { - cairo_surface_type_t type; - cairo_surface_t *surface; + struct xr_driver *xr = xzalloc (sizeof *xr); + struct output_driver *d = &xr->driver; + + output_driver_init (d, &cairo_driver_class, name, device_type); + + apply_options (xr, o); - surface = cairo_get_target (cr); - type = cairo_surface_get_type (surface); - return type == CAIRO_SURFACE_TYPE_PDF || type == CAIRO_SURFACE_TYPE_PS; + return xr; } static bool xr_set_cairo (struct xr_driver *xr, cairo_t *cairo) { - PangoContext *context; - PangoFontMap *map; int i; xr->cairo = cairo; cairo_set_line_width (xr->cairo, xr_to_pt (xr->line_width)); - map = pango_cairo_font_map_get_default (); - context = pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (map)); - if (xr_is_72dpi (cairo)) - { - /* Pango seems to always scale fonts according to the DPI specified - in the font map, even if the surface has a real DPI. The default - DPI is 96, so on a 72 DPI device fonts end up being 96/72 = 133% - of their desired size. We deal with this by fixing the resolution - here. Presumably there is a better solution, but what? */ - pango_cairo_context_set_resolution (context, 72.0); - } - xr->char_width = 0; xr->char_height = 0; for (i = 0; i < XR_N_FONTS; i++) @@ -287,7 +313,7 @@ xr_set_cairo (struct xr_driver *xr, cairo_t *cairo) struct xr_font *font = &xr->fonts[i]; int char_width, char_height; - font->layout = pango_layout_new (context); + font->layout = pango_cairo_create_layout (cairo); pango_layout_set_font_description (font->layout, font->desc); pango_layout_set_text (font->layout, "0", 1); @@ -296,8 +322,6 @@ xr_set_cairo (struct xr_driver *xr, cairo_t *cairo) xr->char_height = MAX (xr->char_height, char_height); } - g_object_unref (G_OBJECT (context)); - if (xr->params == NULL) { int single_width, double_width; @@ -323,6 +347,8 @@ xr_set_cairo (struct xr_driver *xr, cairo_t *cairo) } } + cairo_set_source_rgb (xr->cairo, xr->fg_red, xr->fg_green, xr->fg_blue); + return true; } @@ -331,14 +357,12 @@ xr_create (const char *file_name, enum settings_output_devices device_type, struct string_map *o, enum xr_output_type file_type) { enum { MIN_WIDTH = 3, MIN_LENGTH = 3 }; - struct output_driver *d; struct xr_driver *xr; cairo_surface_t *surface; cairo_status_t status; double width_pt, length_pt; xr = xr_allocate (file_name, device_type, o); - d = &xr->driver; width_pt = (xr->width + xr->left_margin + xr->right_margin) / 1000.0; length_pt = (xr->length + xr->top_margin + xr->bottom_margin) / 1000.0; @@ -354,7 +378,7 @@ xr_create (const char *file_name, enum settings_output_devices device_type, status = cairo_surface_status (surface); if (status != CAIRO_STATUS_SUCCESS) { - error (0, 0, _("error opening output file `%s': %s"), + msg (ME, _("error opening output file `%s': %s"), file_name, cairo_status_to_string (status)); cairo_surface_destroy (surface); goto error; @@ -371,7 +395,7 @@ xr_create (const char *file_name, enum settings_output_devices device_type, if (xr->width / xr->char_width < MIN_WIDTH) { - error (0, 0, _("The defined page is not wide enough to hold at least %d " + msg (ME, _("The defined page is not wide enough to hold at least %d " "characters in the default font. In fact, there's only " "room for %d characters."), MIN_WIDTH, @@ -381,7 +405,7 @@ xr_create (const char *file_name, enum settings_output_devices device_type, if (xr->length / xr->char_height < MIN_LENGTH) { - error (0, 0, _("The defined page is not long enough to hold at least %d " + msg (ME, _("The defined page is not long enough to hold at least %d " "lines in the default font. In fact, there's only " "room for %d lines."), MIN_LENGTH, @@ -432,7 +456,7 @@ xr_destroy (struct output_driver *driver) cairo_surface_finish (cairo_get_target (xr->cairo)); status = cairo_status (xr->cairo); if (status != CAIRO_STATUS_SUCCESS) - error (0, 0, _("error drawing output for %s driver: %s"), + msg (ME, _("error drawing output for %s driver: %s"), output_driver_get_name (driver), cairo_status_to_string (status)); cairo_destroy (xr->cairo); @@ -471,16 +495,21 @@ xr_init_caption_cell (const char *caption, struct table_cell *cell) static struct render_page * xr_render_table_item (struct xr_driver *xr, const struct table_item *item, - int *caption_heightp) + int *caption_widthp, int *caption_heightp) { const char *caption = table_item_get_caption (item); if (caption != NULL) { /* XXX doesn't do well with very large captions */ + int min_width, max_width; struct table_cell cell; + xr_init_caption_cell (caption, &cell); - *caption_heightp = xr_measure_cell_height (xr, &cell, xr->width); + + xr_measure_cell_width (xr, &cell, &min_width, &max_width); + *caption_widthp = MIN (max_width, xr->width); + *caption_heightp = xr_measure_cell_height (xr, &cell, *caption_widthp); } else *caption_heightp = 0; @@ -493,6 +522,8 @@ xr_submit (struct output_driver *driver, const struct output_item *output_item) { struct xr_driver *xr = xr_driver_cast (driver); + output_driver_track_current_command (output_item, &xr->command_name); + xr_driver_output_item (xr, output_item); while (xr_driver_need_new_page (xr)) { @@ -518,9 +549,17 @@ void xr_driver_next_page (struct xr_driver *xr, cairo_t *cairo) { if (cairo != NULL) - cairo_translate (cairo, - xr_to_pt (xr->left_margin), - xr_to_pt (xr->top_margin)); + { + cairo_save (cairo); + cairo_set_source_rgb (cairo, xr->bg_red, xr->bg_green, xr->bg_blue); + cairo_rectangle (cairo, 0, 0, xr->width, xr->length); + cairo_fill (cairo); + cairo_restore (cairo); + + cairo_translate (cairo, + xr_to_pt (xr->left_margin), + xr_to_pt (xr->top_margin)); + } xr->page_number++; xr->cairo = cairo; @@ -840,10 +879,28 @@ xr_layout_cell (struct xr_driver *xr, const struct table_cell *cell, *height = h; } } + +static void +xr_draw_title (struct xr_driver *xr, const char *title, + int title_width, int title_height) +{ + struct table_cell cell; + int bb[TABLE_N_AXES][2]; + + xr_init_caption_cell (title, &cell); + bb[H][0] = 0; + bb[H][1] = title_width; + bb[V][0] = 0; + bb[V][1] = title_height; + xr_draw_cell (xr, &cell, bb, bb); +} -struct output_driver_factory pdf_driver_factory = { "pdf", xr_pdf_create }; -struct output_driver_factory ps_driver_factory = { "ps", xr_ps_create }; -struct output_driver_factory svg_driver_factory = { "svg", xr_svg_create }; +struct output_driver_factory pdf_driver_factory = + { "pdf", "pspp.pdf", xr_pdf_create }; +struct output_driver_factory ps_driver_factory = + { "ps", "pspp.ps", xr_ps_create }; +struct output_driver_factory svg_driver_factory = + { "svg", "pspp.svg", xr_svg_create }; static const struct output_driver_class cairo_driver_class = { @@ -862,12 +919,15 @@ struct xr_rendering /* Table items. */ struct render_page *page; struct xr_driver *xr; + int title_width; int title_height; }; #define CHART_WIDTH 500 #define CHART_HEIGHT 375 + + struct xr_driver * xr_driver_create (cairo_t *cairo, struct string_map *options) { @@ -898,13 +958,20 @@ xr_rendering_create_text (struct xr_driver *xr, const char *text, cairo_t *cr) struct table_item *table_item; struct xr_rendering *r; - table_item = table_item_create (table_from_string (0, text), NULL); + table_item = table_item_create (table_from_string (TAB_LEFT, text), NULL); r = xr_rendering_create (xr, &table_item->output_item, cr); table_item_unref (table_item); return r; } +void +xr_rendering_apply_options (struct xr_rendering *xr, struct string_map *o) +{ + if (is_table_item (xr->item)) + apply_options (xr->xr, o); +} + struct xr_rendering * xr_rendering_create (struct xr_driver *xr, const struct output_item *item, cairo_t *cr) @@ -929,7 +996,7 @@ xr_rendering_create (struct xr_driver *xr, const struct output_item *item, r->xr = xr; xr_set_cairo (xr, cr); r->page = xr_render_table_item (xr, to_table_item (item), - &r->title_height); + &r->title_width, &r->title_height); } else if (is_chart_item (item)) { @@ -945,8 +1012,10 @@ xr_rendering_measure (struct xr_rendering *r, int *w, int *h) { if (is_table_item (r->item)) { - *w = render_page_get_size (r->page, H) / 1024; - *h = (render_page_get_size (r->page, V) + r->title_height) / 1024; + int w0 = render_page_get_size (r->page, H); + int w1 = r->title_width; + *w = MAX (w0, w1) / XR_POINT; + *h = (render_page_get_size (r->page, V) + r->title_height) / XR_POINT; } else { @@ -955,6 +1024,9 @@ xr_rendering_measure (struct xr_rendering *r, int *w, int *h) } } +static void xr_draw_chart (const struct chart_item *, cairo_t *, + double x, double y, double width, double height); + /* Draws onto CR at least the region of R that is enclosed in (X,Y)-(X+W,Y+H), and possibly some additional parts. */ void @@ -966,16 +1038,25 @@ xr_rendering_draw (struct xr_rendering *r, cairo_t *cr, struct xr_driver *xr = r->xr; xr_set_cairo (xr, cr); - xr->y = 0; - render_page_draw_region (r->page, - x * 1024, y * 1024, w * 1024, h * 1024); + + if (r->title_height > 0) + { + xr->y = 0; + xr_draw_title (xr, table_item_get_caption (to_table_item (r->item)), + r->title_width, r->title_height); + } + + xr->y = r->title_height; + render_page_draw_region (r->page, + x * XR_POINT, (y * XR_POINT) - r->title_height, + w * XR_POINT, h * XR_POINT); } else xr_draw_chart (to_chart_item (r->item), cr, 0, 0, CHART_WIDTH, CHART_HEIGHT); } -void +static void xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr, double x, double y, double width, double height) { @@ -997,6 +1078,8 @@ xr_draw_chart (const struct chart_item *chart_item, cairo_t *cr, xrchart_draw_roc (chart_item, cr, &geom); else if (is_scree (chart_item)) xrchart_draw_scree (chart_item, cr, &geom); + else if (is_spreadlevel_plot_chart (chart_item)) + xrchart_draw_spreadlevel (chart_item, cr, &geom); else NOT_REACHED (); xrchart_geometry_free (cr, &geom); @@ -1027,19 +1110,13 @@ xr_draw_png_chart (const struct chart_item *item, surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, length); cr = cairo_create (surface); - cairo_save (cr); - cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); - cairo_rectangle (cr, 0, 0, width, length); - cairo_fill (cr); - cairo_restore (cr); - cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); xr_draw_chart (item, cr, 0.0, 0.0, width, length); status = cairo_surface_write_to_png (surface, file_name); if (status != CAIRO_STATUS_SUCCESS) - error (0, 0, _("error writing output file `%s': %s"), + msg (ME, _("error writing output file `%s': %s"), file_name, cairo_status_to_string (status)); cairo_destroy (cr); @@ -1090,18 +1167,9 @@ xr_table_render (struct xr_render_fsm *fsm, struct xr_driver *xr) if (ts->caption_height) { if (xr->cairo) - { - struct table_cell cell; - int bb[TABLE_N_AXES][2]; - - xr_init_caption_cell (table_item_get_caption (ts->table_item), - &cell); - bb[H][0] = 0; - bb[H][1] = xr->width; - bb[V][0] = 0; - bb[V][1] = ts->caption_height; - xr_draw_cell (xr, &cell, bb, bb); - } + xr_draw_title (xr, table_item_get_caption (ts->table_item), + xr->width, ts->caption_height); + xr->y += ts->caption_height; ts->caption_height = 0; } @@ -1129,6 +1197,7 @@ xr_render_table (struct xr_driver *xr, const struct table_item *table_item) { struct xr_table_state *ts; struct render_page *page; + int caption_width; ts = xmalloc (sizeof *ts); ts->fsm.render = xr_table_render; @@ -1138,7 +1207,8 @@ xr_render_table (struct xr_driver *xr, const struct table_item *table_item) if (xr->y > 0) xr->y += xr->char_height; - page = xr_render_table_item (xr, table_item, &ts->caption_height); + page = xr_render_table_item (xr, table_item, + &caption_width, &ts->caption_height); xr->params->size[V] = xr->length - ts->caption_height; render_break_init (&ts->x_break, page, H);