evas - loader - rsvg - work around rsvg now returning 0 sized dims

also work around rsvg now returning a 0 em/ex values for dimensions too.
rsvg 2.52 brought us this fun.

@fix
v-1.26.0
Carsten Haitzler 1 year ago
parent f2f1cc42a2
commit c0826212ef
  1. 38
      src/generic/evas/rsvg/main.c

@ -99,16 +99,26 @@ read_svg_header(int scale_down, double dpi, int size_w, int size_h)
{
rsvg_handle_set_dpi(rsvg, 75.0);
#ifndef HAVE_SVG_2_51
rsvg_handle_get_dimensions(rsvg, &dim);
width = dim.width;
height = dim.height;
#else
#ifdef HAVE_SVG_2_51
double owidth, oheight;
rsvg_handle_get_intrinsic_size_in_pixels(rsvg, &owidth, &oheight);
width = ceil(owidth);
height = ceil(oheight);
if ((width == 0) || (height == 0))
{
RsvgLength l1, l2;
gboolean has_l1, has_l2, has_vb;
RsvgRectangle vb;
rsvg_handle_get_intrinsic_dimensions(rsvg, &has_l1, &l1, &has_l2, &l2, &has_vb, &vb);
width = ceil(vb.width);
height = ceil(vb.height);
}
#else
rsvg_handle_get_dimensions(rsvg, &dim);
width = dim.width;
height = dim.height;
#endif
if ((width < 1) || (height < 1)) return 0;
@ -153,18 +163,21 @@ read_svg_data(void)
if (!shm_addr) return 0;
memset(shm_addr, 0, width * height * sizeof (DATA32));
surface = cairo_image_surface_create_for_data((unsigned char *)shm_addr, CAIRO_FORMAT_ARGB32,
width, height, width * sizeof(DATA32));;
surface = cairo_image_surface_create_for_data((unsigned char *)shm_addr,
CAIRO_FORMAT_ARGB32,
width, height,
width * sizeof(DATA32));;
if (!surface) return 0;
cr = cairo_create(surface);
if (!cr) return 0;
cairo_scale(cr, (double) width / dim.em, (double) height / dim.ex);
if ((dim.em > 0.0) && (dim.ex > 0.0))
cairo_scale(cr, (double) width / dim.em, (double) height / dim.ex);
else
cairo_scale(cr, (double)1, (double)1);
#ifndef HAVE_SVG_2_51
rsvg_handle_render_cairo(rsvg, cr);
#else
#ifdef HAVE_SVG_2_51
RsvgRectangle vp =
{
.x = 0,
@ -172,8 +185,9 @@ read_svg_data(void)
.width = width,
.height = height,
};
rsvg_handle_render_document(rsvg, cr, &vp, NULL);
#else
rsvg_handle_render_cairo(rsvg, cr);
#endif
cairo_surface_destroy(surface);

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