svg_status_t
_svg_android_begin_group (void *closure, double opacity)
{
svg_android_t *svg_android = closure;
jobject offscreen_bitmap = NULL;
DEBUG_ENTRY("begin_group");
ANDROID_SAVE(svg_android);
if (opacity != 1.0) {
opacity *= 255;
jint opacity_i = opacity;
opacity_i = ((opacity_i & 0xff) << 24) & 0xffffffff;
offscreen_bitmap = ANDROID_CREATE_BITMAP(svg_android,
svg_android->state->viewport_width,
svg_android->state->viewport_height);
ANDROID_FILL_BITMAP(svg_android, offscreen_bitmap, opacity_i);
svg_android->state->offscreen_bitmap = offscreen_bitmap;
} else svg_android->state->offscreen_bitmap = NULL;
_svg_android_push_state (svg_android, offscreen_bitmap);
DEBUG_EXIT("begin_group");
return SVG_ANDROID_STATUS_SUCCESS;
}
svg_status_t _svg_android_set_pattern (svg_android_t *svg_android,
svg_element_t *pattern_element,
svg_android_render_type_t type)
{
svg_pattern_t *pattern = svg_element_pattern (pattern_element);
jobject pattern_bitmap;
jobject pattern_shader;
double x_px, y_px, width_px, height_px;
jobject path;
_svg_android_length_to_pixel (svg_android, &pattern->x, &x_px);
_svg_android_length_to_pixel (svg_android, &pattern->y, &y_px);
_svg_android_length_to_pixel (svg_android, &pattern->width, &width_px);
_svg_android_length_to_pixel (svg_android, &pattern->height, &height_px);
/* OK. We've got the final path to be filled/stroked inside the
* android context right now. But we're also going to re-use that
* same context to draw the pattern. And since the path is no
* longer in the graphics state, android_save/restore will not help
* us here.
*
* Currently we deal with this by manually saving/restoring the
* path.
*
*/
path = svg_android->state->path;
svg_android->state->path = ANDROID_PATH_CREATE(svg_android);
ANDROID_SAVE(svg_android);
pattern_bitmap = ANDROID_CREATE_BITMAP(svg_android,
(int) (width_px + 0.5),
(int) (height_px + 0.5));
_svg_android_push_state (svg_android, pattern_bitmap, NULL);
svg_android->state->matrix = ANDROID_IDENTITY_MATRIX(svg_android);
svg_android->state->fill_paint.type = SVG_PAINT_TYPE_NONE;
svg_android->state->stroke_paint.type = SVG_PAINT_TYPE_NONE;
svg_element_render (pattern->group_element, &SVG_ANDROID_RENDER_ENGINE, svg_android);
_svg_android_pop_state (svg_android);
ANDROID_RESTORE(svg_android);
svg_android->state->path = path ;
pattern_shader = ANDROID_CREATE_BITMAP_SHADER(svg_android, pattern_bitmap);
ANDROID_PAINT_SET_SHADER(svg_android, pattern_shader);
return SVG_STATUS_SUCCESS;
}
svg_status_t _svg_android_set_pattern (svg_android_t *svg_android,
svg_element_t *pattern_element,
svg_android_render_type_t type)
{
svg_pattern_t *pattern = svg_element_pattern (pattern_element);
jobject pattern_bitmap;
jobject pattern_shader;
double x_px, y_px, width_px, height_px;
jobject path;
_svg_android_length_to_pixel (svg_android, &pattern->x, &x_px);
_svg_android_length_to_pixel (svg_android, &pattern->y, &y_px);
_svg_android_length_to_pixel (svg_android, &pattern->width, &width_px);
_svg_android_length_to_pixel (svg_android, &pattern->height, &height_px);
/* OK. We've got the final path to be filled/stroked inside the
* android context right now. But we're also going to re-use that
* same context to draw the pattern. And since the path is no
* longer in the graphics state, android_save/restore will not help
* us here.
*
* Currently we deal with this by manually saving/restoring the
* path.
*
* It might be simpler to just use a new cairo_t for drawing the
* pattern.
*/
path = svg_android->state->path; //cairo_copy_path (svg_android->cr);
svg_android->state->path = ANDROID_PATH_CREATE(svg_android); // cairo_new_path (svg_android->cr);
ANDROID_SAVE(svg_android);
pattern_bitmap = ANDROID_CREATE_BITMAP(svg_android,
(int) (width_px + 0.5),
(int) (height_px + 0.5));
#if 0
pattern_surface = cairo_surface_create_similar (cairo_get_target (svg_android->cr),
CAIRO_FORMAT_ARGB32,
(int) (width_px + 0.5),
(int) (height_px + 0.5));
#endif
_svg_android_push_state (svg_android, pattern_bitmap);
svg_android->state->matrix = ANDROID_IDENTITY_MATRIX(svg_android);
//cairo_identity_matrix (svg_android->cr);
svg_android->state->fill_paint.type = SVG_PAINT_TYPE_NONE;
svg_android->state->stroke_paint.type = SVG_PAINT_TYPE_NONE;
svg_element_render (pattern->group_element, &SVG_ANDROID_RENDER_ENGINE, svg_android);
_svg_android_pop_state (svg_android);
ANDROID_RESTORE(svg_android);
svg_android->state->path = path ;
#if 0
cairo_new_path (svg_android->cr);
cairo_append_path (svg_android->cr, path);
cairo_path_destroy (path);
#endif
pattern_shader = ANDROID_CREATE_BITMAP_SHADER(svg_android, pattern_bitmap);
ANDROID_PAINT_SET_SHADER(svg_android, pattern_shader);
#if 0
surface_pattern = cairo_pattern_create_for_surface (pattern_surface);
cairo_surface_destroy (pattern_surface);
cairo_pattern_set_extend (surface_pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source (svg_android->cr, surface_pattern);
cairo_pattern_destroy (surface_pattern);
#endif
return SVG_STATUS_SUCCESS;
}