gboolean
gnumeric_background_set (GnmStyle const *mstyle, cairo_t *cr,
gboolean const is_selected, GtkStyle *theme)
{
int pattern;
/*
* Draw the background if the PATTERN is non 0
* Draw a stipple too if the pattern is > 1
*/
pattern = gnm_style_get_pattern (mstyle);
if (pattern > 0) {
GOPattern gopat;
cairo_pattern_t *crpat;
gopat.pattern = patterns[pattern - 1];
gopat.fore = gnm_style_get_pattern_color (mstyle)->go_color;
gopat.back = gnm_style_get_back_color (mstyle)->go_color;
if (is_selected) {
GOColor light;
light = theme? GO_COLOR_FROM_GDK (theme->light[GTK_STATE_SELECTED]): GO_COLOR_FROM_RGB (230, 230, 250);
gopat.fore = GO_COLOR_INTERPOLATE (light, gopat.fore, .5);
gopat.back = GO_COLOR_INTERPOLATE (light, gopat.back, .5);
}
crpat = go_pattern_create_cairo_pattern (&gopat, cr);
cairo_set_source (cr, crpat);
cairo_pattern_destroy (crpat);
return TRUE;
} else if (is_selected) {
if (theme == NULL)
cairo_set_source_rgb
(cr, .901960784, .901960784, .980392157);
else {
GdkColor color = theme->light[GTK_STATE_SELECTED];
cairo_set_source_rgb
(cr, gnm_get_light (color.red),
gnm_get_light (color.green),
gnm_get_light (color.blue));
}
}
return FALSE;
}
static void
write_cell (GsfOutput *output, Sheet *sheet, gint row, gint col, html_version_t version, gboolean is_merge)
{
GnmCell *cell;
GnmStyle const *style;
guint r, g, b;
style = sheet_style_get (sheet, col, row);
if (style != NULL && version != HTML32 && version != HTML40 &&
gnm_style_get_pattern (style) != 0 &&
gnm_style_is_element_set (style, MSTYLE_COLOR_BACK)) {
html_get_back_color (style, &r, &g, &b);
gsf_output_printf (output, " bgcolor=\"#%02X%02X%02X\"", r, g, b);
}
cell = sheet_cell_get (sheet, col, row);
if (cell != NULL) {
switch (gnm_style_get_align_v (style)) {
case GNM_VALIGN_TOP:
gsf_output_puts (output, " valign=\"top\" ");
break;
case GNM_VALIGN_BOTTOM:
gsf_output_puts (output, " valign=\"bottom\" ");
break;
case GNM_VALIGN_DISTRIBUTED:
case GNM_VALIGN_CENTER:
gsf_output_puts (output, " valign=\"center\" ");
break;
case GNM_VALIGN_JUSTIFY:
gsf_output_puts (output, " valign=\"baseline\" ");
break;
default:
break;
}
switch (gnm_style_default_halign (style, cell)) {
case GNM_HALIGN_RIGHT:
gsf_output_puts (output, " align=\"right\" ");
break;
case GNM_HALIGN_DISTRIBUTED:
case GNM_HALIGN_CENTER:
case GNM_HALIGN_CENTER_ACROSS_SELECTION:
gsf_output_puts (output, " align=\"center\" ");
break;
case GNM_HALIGN_LEFT:
gsf_output_puts (output, " align=\"left\" ");
break;
case GNM_HALIGN_JUSTIFY:
gsf_output_puts (output, " align=\"justify\" ");
break;
default:
break;
}
}
if (version == HTML40 || version == HTML40F || version ==XHTML) {
if (style != NULL) {
gsf_output_printf (output, " style=\"");
if (gnm_style_get_pattern (style) != 0 &&
gnm_style_is_element_set (style, MSTYLE_COLOR_BACK)) {
html_get_back_color (style, &r, &g, &b);
gsf_output_printf (output, "background:#%02X%02X%02X;", r, g, b);
}
if (cell != NULL) {
gint size = (int) (gnm_style_get_font_size (style) + 0.5);
gsf_output_printf (output, " font-size:%ipt;", size);
html_get_text_color (cell, style, &r, &g, &b);
if (r > 0 || g > 0 || b > 0)
gsf_output_printf (output, " color:#%02X%02X%02X;", r, g, b);
if (gnm_style_get_contents_hidden (style))
gsf_output_puts (output, " visibility:hidden;");
}
if (is_merge)
html_write_border_style_40_for_merged_cell (output, style, sheet, row, col);
else
html_write_border_style_40 (output, style);
gsf_output_printf (output, "\"");
}
}
gsf_output_printf (output, ">");
html_write_cell_content (output, cell, style, version);
gsf_output_puts (output, "</td>\n");
}
gboolean
gnumeric_background_set_gtk (GnmStyle const *mstyle, cairo_t *context)
{
int pattern;
/*
* Draw the background if the PATTERN is non 0
* Draw a stipple too if the pattern is > 1
*/
pattern = gnm_style_get_pattern (mstyle);
if (pattern > 0) {
GnmColor const *back_col = gnm_style_get_back_color (mstyle);
g_return_val_if_fail (back_col != NULL, FALSE);
/* Support printing grey scale patterns.
* This effectively applies a brightness threshold to get
* the desired results.
* The array used provides good real-life results.
* The true_grey array is theoretically correct but doesn't
* distinguish the shades clearly.
*
* Note: The first element of the grey array isn't used.
*
* FIXME: This code assumes the pattern colour is black, which
* is normally true (gnumeric selects it automatically).
* But correctly we should mix the pattern color against
* the background color. We handle the easy (pattern == 24)
* case below.
*/
if (pattern >= 1 && pattern <= 6) {
static double const grey[] = { 1.0, 1.0, .30, .45, .60, .75, .90};
#if 0
static double const true_grey[] = { 1.0, 1.0, .0625, .125, .25, .50, .75};
#endif
GOColor c = back_col->go_color;
double f = grey[pattern];
cairo_set_source_rgb (context,
GO_COLOR_DOUBLE_R (c) * f,
GO_COLOR_DOUBLE_G (c) * f,
GO_COLOR_DOUBLE_B (c) * f);
}
/* This is a special case where the user has selected
* 'foreground solid', so we need to paint it the pattern
* color.
*/
else if (pattern == 24) {
GnmColor const *pat_col = gnm_style_get_pattern_color (mstyle);
g_return_val_if_fail (pat_col != NULL, FALSE);
cairo_set_source_rgba (context,
GO_COLOR_TO_CAIRO (pat_col->go_color));
} else {
GOPattern gopat;
cairo_pattern_t *crpat;
gopat.pattern = patterns[pattern - 1];
gopat.fore = gnm_style_get_pattern_color (mstyle)->go_color;
gopat.back = gnm_style_get_back_color (mstyle)->go_color;
crpat = go_pattern_create_cairo_pattern (&gopat, context);
cairo_set_source (context, crpat);
cairo_pattern_destroy (crpat);
}
return TRUE;
}
return FALSE;
}
