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Fix file-pdf-save exports broken vertical text.

This commit is contained in:
ONO Yoshio 2018-08-03 12:32:15 +09:00 committed by Jehan
parent 2ac91e0fc3
commit f0e585e7ff
1 changed files with 80 additions and 22 deletions
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102
plug-ins/common/file-pdf-save.c
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@ -1490,6 +1490,7 @@ drawText (gint32 text_id,
gchar *text = gimp_text_layer_get_text (text_id);
gchar *markup = gimp_text_layer_get_markup (text_id);
gchar *font_family;
gchar *language;
cairo_font_options_t *options;
gint x;
gint y;
@ -1501,7 +1502,6 @@ drawText (gint32 text_id,
gboolean justify;
PangoAlignment align;
GimpTextDirection dir;
PangoDirection pango_dir;
PangoLayout *layout;
PangoContext *context;
PangoFontDescription *font_description;
@ -1520,7 +1520,7 @@ drawText (gint32 text_id,
/* Position */
gimp_drawable_offsets (text_id, &x, &y);
cairo_move_to (cr, x, y);
cairo_translate (cr, x, y);
/* Color */
/* When dealing with a gray/indexed image, the viewed color of the text layer
@ -1572,15 +1572,53 @@ drawText (gint32 text_id,
pango_cairo_context_set_font_options (context, options);
/* Language */
language = gimp_text_layer_get_language (text_id);
if (language)
pango_context_set_language (context,
pango_language_from_string(language));
/* Text Direction */
dir = gimp_text_layer_get_base_direction (text_id);
if (dir == GIMP_TEXT_DIRECTION_RTL)
pango_dir = PANGO_DIRECTION_RTL;
else
pango_dir = PANGO_DIRECTION_LTR;
switch (dir)
{
case GIMP_TEXT_DIRECTION_LTR:
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_NATURAL);
pango_context_set_base_gravity (context, PANGO_GRAVITY_SOUTH);
break;
pango_context_set_base_dir (context, pango_dir);
case GIMP_TEXT_DIRECTION_RTL:
pango_context_set_base_dir (context, PANGO_DIRECTION_RTL);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_NATURAL);
pango_context_set_base_gravity (context, PANGO_GRAVITY_SOUTH);
break;
case GIMP_TEXT_DIRECTION_TTB_RTL:
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_LINE);
pango_context_set_base_gravity (context, PANGO_GRAVITY_EAST);
break;
case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_STRONG);
pango_context_set_base_gravity (context, PANGO_GRAVITY_EAST);
break;
case GIMP_TEXT_DIRECTION_TTB_LTR:
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_LINE);
pango_context_set_base_gravity (context, PANGO_GRAVITY_WEST);
break;
case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_STRONG);
pango_context_set_base_gravity (context, PANGO_GRAVITY_WEST);
break;
}
/* We are done with the context's settings. It's time to create the
* layout
@ -1604,26 +1642,33 @@ drawText (gint32 text_id,
pango_layout_set_font_description (layout, font_description);
/* Width */
pango_layout_set_width (layout, gimp_drawable_width (text_id) * PANGO_SCALE);
if (! PANGO_GRAVITY_IS_VERTICAL (pango_context_get_base_gravity (context)))
pango_layout_set_width (layout, gimp_drawable_width (text_id) * PANGO_SCALE);
else
pango_layout_set_width (layout, gimp_drawable_height (text_id) * PANGO_SCALE);
/* Justification, and Alignment */
justify = FALSE;
j = gimp_text_layer_get_justification (text_id);
if (j == GIMP_TEXT_JUSTIFY_CENTER)
align = PANGO_ALIGN_CENTER;
else if (j == GIMP_TEXT_JUSTIFY_LEFT)
align = PANGO_ALIGN_LEFT;
else if (j == GIMP_TEXT_JUSTIFY_RIGHT)
align = PANGO_ALIGN_RIGHT;
else /* We have GIMP_TEXT_JUSTIFY_FILL */
align = PANGO_ALIGN_LEFT;
switch (j)
{
if (dir == GIMP_TEXT_DIRECTION_LTR)
align = PANGO_ALIGN_LEFT;
else
align = PANGO_ALIGN_RIGHT;
case GIMP_TEXT_JUSTIFY_LEFT:
align = PANGO_ALIGN_LEFT;
break;
case GIMP_TEXT_JUSTIFY_RIGHT:
align = PANGO_ALIGN_RIGHT;
break;
case GIMP_TEXT_JUSTIFY_CENTER:
align = PANGO_ALIGN_CENTER;
break;
case GIMP_TEXT_JUSTIFY_FILL:
align = PANGO_ALIGN_LEFT;
justify = TRUE;
break;
}
pango_layout_set_alignment (layout, align);
pango_layout_set_justify (layout, justify);
/* Indentation */
indent = gimp_text_layer_get_indent (text_id);
@ -1638,8 +1683,6 @@ drawText (gint32 text_id,
letter_spacing_at = pango_attr_letter_spacing_new ((int)(PANGO_SCALE * letter_spacing));
pango_attr_list_insert (attr_list, letter_spacing_at);
pango_layout_set_justify (layout, justify);
pango_layout_set_alignment (layout, align);
pango_layout_set_attributes (layout, attr_list);
@ -1650,10 +1693,25 @@ drawText (gint32 text_id,
else /* If we can't find a markup, then it has just text */
pango_layout_set_text (layout, text, -1);
if (dir == GIMP_TEXT_DIRECTION_TTB_RTL ||
dir == GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT)
{
cairo_translate (cr, gimp_drawable_width (text_id), 0);
cairo_rotate (cr, G_PI_2);
}
if (dir == GIMP_TEXT_DIRECTION_TTB_LTR ||
dir == GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT)
{
cairo_translate (cr, 0, gimp_drawable_height (text_id));
cairo_rotate (cr, -G_PI_2);
}
pango_cairo_show_layout (cr, layout);
g_free (text);
g_free (font_family);
g_free (language);
g_object_unref (layout);
pango_font_description_free (font_description);