void iupdrvDrawText(IdrawCanvas* dc, const char* text, int len, int x, int y, unsigned char r, unsigned char g, unsigned char b, const char* font)
{
PangoLayout* fontlayout = (PangoLayout*)iupgtkGetPangoLayout(font);
GdkColor color;
iupgdkColorSet(&color, r, g, b);
gdk_gc_set_rgb_fg_color(dc->pixmap_gc, &color);
text = iupgtkStrConvertToSystemLen(text, &len);
pango_layout_set_text(fontlayout, text, len);
gdk_draw_layout(dc->pixmap, dc->pixmap_gc, x, y, fontlayout);
}
void iupdrvDrawText(IdrawCanvas* dc, const char* text, int len, int x, int y, int w, int h, long color, const char* font, int flags, double text_orientation)
{
PangoLayout* fontlayout = (PangoLayout*)iupgtkGetPangoLayout(font);
PangoAlignment alignment = PANGO_ALIGN_LEFT;
GdkColor c;
PangoContext* fontcontext = NULL;
int layout_w = w, layout_h = h;
int layout_center = flags & IUP_DRAW_LAYOUTCENTER;
if (text_orientation && layout_center)
iupDrawGetTextInnerBounds(w, h, text_orientation, &layout_w, &layout_h);
iupgdkColorSet(&c, color);
gdk_gc_set_rgb_fg_color(dc->pixmap_gc, &c);
text = iupgtkStrConvertToSystemLen(text, &len);
pango_layout_set_text(fontlayout, text, len);
if (flags & IUP_DRAW_RIGHT)
alignment = PANGO_ALIGN_RIGHT;
else if (flags & IUP_DRAW_CENTER)
alignment = PANGO_ALIGN_CENTER;
if (flags & IUP_DRAW_WRAP)
{
pango_layout_set_width(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_w));
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_h));
#endif
#endif
}
else if (flags & IUP_DRAW_ELLIPSIS)
{
pango_layout_set_width(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_w));
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_h));
#endif
#endif
pango_layout_set_ellipsize(fontlayout, PANGO_ELLIPSIZE_END);
}
pango_layout_set_alignment(fontlayout, alignment);
if (flags & IUP_DRAW_CLIP)
{
GdkRectangle rect;
rect.x = x;
rect.y = y;
rect.width = w;
rect.height = h;
gdk_gc_set_clip_rectangle(dc->pixmap_gc, &rect);
}
if (text_orientation)
{
PangoRectangle rect;
PangoMatrix fontmatrix = PANGO_MATRIX_INIT;
fontcontext = pango_layout_get_context(fontlayout);
pango_matrix_rotate(&fontmatrix, text_orientation);
pango_context_set_matrix(fontcontext, &fontmatrix);
pango_layout_context_changed(fontlayout);
pango_layout_get_pixel_extents(fontlayout, NULL, &rect);
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,16,0)
pango_matrix_transform_pixel_rectangle(&fontmatrix, &rect);
#endif
#endif
/* Adjust the position considering the Pango rectangle transformed */
if (layout_center)
{
x += (w - rect.width) / 2;
y += (h - rect.height) / 2;
}
else
{
x += (int)rect.x;
y += (int)rect.y;
}
}
gdk_draw_layout(dc->pixmap, dc->pixmap_gc, x, y, fontlayout);
/* restore settings */
if ((flags & IUP_DRAW_WRAP) || (flags & IUP_DRAW_ELLIPSIS))
{
pango_layout_set_width(fontlayout, -1);
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, -1);
#endif
#endif
}
if (flags & IUP_DRAW_ELLIPSIS)
pango_layout_set_ellipsize(fontlayout, PANGO_ELLIPSIZE_NONE);
if (flags & IUP_DRAW_CLIP)
gdk_gc_set_clip_region(dc->pixmap_gc, NULL);
if (text_orientation)
pango_context_set_matrix(fontcontext, NULL);
}
