static Eina_Bool _enesim_image_dom_provider_load(Enesim_Stream *data,
Enesim_Buffer *buffer, void *options, Eina_Error *err)
{
Egueb_Dom_Node *doc = NULL;
Egueb_Dom_Feature *window, *render, *io;
Egueb_Dom_Feature_Window_Hint_Data wdata;
Enesim_Surface *s;
Eina_Bool ret = EINA_FALSE;
Eina_Bool user_provided_size = EINA_FALSE;
int w = _default_width;
int h = _default_height;
int hints;
if (!egueb_dom_parser_parse(enesim_stream_ref(data), &doc))
{
*err = ENESIM_IMAGE_ERROR_LOADING;
goto err_parse;
}
if (options)
{
Enesim_Image_Svg_Options *o = options;
w = o->container_width;
h = o->container_height;
user_provided_size = EINA_TRUE;
}
window = egueb_dom_node_feature_get(doc, EGUEB_DOM_FEATURE_WINDOW_NAME, NULL);
if (!window)
{
*err = ENESIM_IMAGE_ERROR_LOADING;
goto err_feature;
}
hints = egueb_dom_feature_window_hints_get(window, &wdata);
if (!user_provided_size && (hints & EGUEB_DOM_FEATURE_WINDOW_HINT_PREFERRED))
{
if (wdata.pref_width != -1)
w = wdata.pref_width;
if (wdata.pref_height != -1)
h = wdata.pref_height;
}
if (hints & EGUEB_DOM_FEATURE_WINDOW_HINT_MIN_MAX)
{
if (wdata.min_width != -1 && w < wdata.min_width)
w = wdata.min_width;
if (wdata.min_height != -1 && h < wdata.min_height)
h = wdata.min_height;
if (wdata.max_width != -1 && w > wdata.max_width)
w = wdata.max_width;
if (wdata.max_height != -1 && h > wdata.max_height)
h = wdata.max_height;
}
egueb_dom_feature_window_size_set(window, w, h);
egueb_dom_feature_unref(window);
io = egueb_dom_node_feature_get(doc, EGUEB_DOM_FEATURE_IO_NAME, NULL);
if (io)
{
egueb_dom_feature_io_default_enable(io, EINA_TRUE);
egueb_dom_feature_unref(io);
}
render = egueb_dom_node_feature_get(doc, EGUEB_DOM_FEATURE_RENDER_NAME, NULL);
if (!render)
{
*err = ENESIM_IMAGE_ERROR_LOADING;
goto err_feature;
}
s = enesim_surface_new_buffer_from(buffer);
if (!s)
{
*err = ENESIM_IMAGE_ERROR_LOADING;
goto err_surface;
}
egueb_dom_document_process(doc);
if (!egueb_dom_feature_render_draw(render, s, ENESIM_ROP_FILL, NULL, 0, 0, NULL))
{
*err = ENESIM_IMAGE_ERROR_LOADING;
goto err_draw;
}
ret = EINA_TRUE;
err_draw:
enesim_surface_unref(s);
err_surface:
egueb_dom_feature_unref(render);
err_feature:
egueb_dom_node_unref(doc);
err_parse:
return ret;
}
int main(void)
{
Enesim_Renderer *r;
Enesim_Surface *s;
Enesim_Draw_Cache *cache;
Enesim_Buffer_Sw_Data sw_data_cache;
Eina_Rectangle area, geom;
uint8_t *dst;
uint8_t *src;
size_t stride;
int i;
enesim_init();
r = enesim_renderer_circle_new();
enesim_renderer_circle_x_set(r, 128);
enesim_renderer_circle_y_set(r, 128);
enesim_renderer_circle_radius_set(r, 64);
enesim_renderer_shape_fill_color_set(r, 0xffff0000);
enesim_renderer_shape_draw_mode_set(r, ENESIM_RENDERER_SHAPE_DRAW_MODE_FILL);
cache = enesim_draw_cache_new();
enesim_draw_cache_renderer_set(cache, r);
/* try to map the area at 0, 0, 64, 64 */
eina_rectangle_coords_from(&area, 0, 0, 64, 64);
if (!enesim_draw_cache_map_sw(cache, &area, &sw_data_cache, ENESIM_FORMAT_ARGB8888, NULL))
goto failed_mapping;
/* try to map the area at 64, 64, 128, 128 */
eina_rectangle_coords_from(&area, 64, 64, 128, 128);
if (!enesim_draw_cache_map_sw(cache, &area, &sw_data_cache, ENESIM_FORMAT_ARGB8888, NULL))
goto failed_mapping;
/* now map again the first area, in theory we should not draw anymore */
eina_rectangle_coords_from(&area, 0, 0, 64, 64);
if (!enesim_draw_cache_map_sw(cache, &area, &sw_data_cache, ENESIM_FORMAT_ARGB8888, NULL))
goto failed_mapping;
src = sw_data_cache.argb8888.plane0;
/* get the geometry */
enesim_draw_cache_geometry_get(cache, &geom);
printf("creating a surface of size %d %d\n", geom.w, geom.h);
s = enesim_surface_new(ENESIM_FORMAT_ARGB8888,
geom.w, geom.h);
enesim_surface_sw_data_get(s, (void **)&dst, &stride);
for (i = 0; i < 128; i++)
{
memcpy(dst, src, stride);
dst += stride;
src += stride;
}
enesim_image_file_save("enesim_draw_cache01_0x0_64x64.png", s, NULL);
enesim_surface_unref(s);
failed_mapping:
enesim_draw_cache_free(cache);
enesim_shutdown();
return 0;
}
