AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

gsk: Fix hexbox drawing for fallback rendering

Browse Source 
pango does not currently export api for drawing hex boxes,
but by using pango_cairo_show_glyph_string, we can reuse its
implementation.
This commit is contained in:
Matthias Clasen 2018-01-05 18:55:23 -05:00
parent 258e504c6a
commit 2bab983ecf
1 changed files with 6 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
gsk/gskrendernodeimpl.c
View File

@ -3890,52 +3890,17 @@ gsk_text_node_draw (GskRenderNode *node,
cairo_t *cr)
{
GskTextNode *self = (GskTextNode *) node;
int i, count;
int x_position = 0;
cairo_scaled_font_t *scaled_font;
cairo_glyph_t *cairo_glyphs;
cairo_glyph_t stack_glyphs[STACK_ARRAY_LENGTH (cairo_glyph_t)];
PangoGlyphString glyphs;
scaled_font = pango_cairo_font_get_scaled_font ((PangoCairoFont *)self->font);
if (G_UNLIKELY (!scaled_font || cairo_scaled_font_status (scaled_font) != CAIRO_STATUS_SUCCESS))
return;
glyphs.num_glyphs = self->num_glyphs;
glyphs.glyphs = self->glyphs;
glyphs.log_clusters = NULL;
cairo_save (cr);
cairo_translate (cr, self->x, self->y);
cairo_set_scaled_font (cr, scaled_font);
gdk_cairo_set_source_rgba (cr, &self->color);
if (self->num_glyphs > (int) G_N_ELEMENTS (stack_glyphs))
cairo_glyphs = g_new (cairo_glyph_t, self->num_glyphs);
else
cairo_glyphs = stack_glyphs;
count = 0;
for (i = 0; i < self->num_glyphs; i++)
{
PangoGlyphInfo *gi = &self->glyphs[i];
if (gi->glyph != PANGO_GLYPH_EMPTY)
{
double cx = (double)(x_position + gi->geometry.x_offset) / PANGO_SCALE;
double cy = (double)(gi->geometry.y_offset) / PANGO_SCALE;
if (!(gi->glyph & PANGO_GLYPH_UNKNOWN_FLAG))
{
cairo_glyphs[count].index = gi->glyph;
cairo_glyphs[count].x = cx;
cairo_glyphs[count].y = cy;
count++;
}
}
x_position += gi->geometry.width;
}
cairo_show_glyphs (cr, cairo_glyphs, count);
if (cairo_glyphs != stack_glyphs)
g_free (cairo_glyphs);
cairo_translate (cr, self->x, self->y);
pango_cairo_show_glyph_string (cr, self->font, &glyphs);
cairo_restore (cr);
}