static void mex_column_pick (ClutterActor *actor, const ClutterColor *color) { GList *c; gdouble value; MxPadding padding; ClutterActorBox box; MexColumn *self = MEX_COLUMN (actor); MexColumnPrivate *priv = self->priv; CLUTTER_ACTOR_CLASS (mex_column_parent_class)->pick (actor, color); /* Don't pick children when we don't have focus */ if (!priv->has_focus) return; mx_widget_get_padding (MX_WIDGET (actor), &padding); clutter_actor_get_allocation_box (actor, &box); if (priv->adjustment) value = priv->adjustment_value; else value = 0; cogl_clip_push_rectangle (padding.left, padding.top + value, box.x2 - box.x1 - padding.right, box.y2 - box.y1 - padding.bottom + value); for (c = priv->children; c; c = c->next) clutter_actor_paint (c->data); cogl_clip_pop (); }
static void mx_stack_paint_children (ClutterActor *actor) { MxStackPrivate *priv = MX_STACK (actor)->priv; GList *c; for (c = priv->children; c; c = c->next) { ClutterActor *child = c->data; gboolean crop; if (!CLUTTER_ACTOR_IS_VISIBLE (child)) continue; clutter_container_child_get (CLUTTER_CONTAINER (actor), child, "crop", &crop, NULL); if (crop) { /* clip */ cogl_clip_push_rectangle (priv->allocation.x1, priv->allocation.y1, priv->allocation.x2, priv->allocation.y2); clutter_actor_paint (c->data); cogl_clip_pop (); } else clutter_actor_paint (c->data); } }
static void mex_content_box_paint (ClutterActor *actor) { MexContentBoxPrivate *priv = MEX_CONTENT_BOX (actor)->priv; gboolean clipped = FALSE; CLUTTER_ACTOR_CLASS (mex_content_box_parent_class)->paint (actor); if (G_UNLIKELY (priv->clip_to_allocation)) { ClutterActorBox box; clutter_actor_get_allocation_box (actor, &box); cogl_clip_push_rectangle (0, 0, box.x2 - box.x1, box.y2 - box.y1); clipped = TRUE; } clutter_actor_paint (priv->tile); if (G_UNLIKELY (priv->extras_visible)) { ClutterActorBox box; clutter_actor_paint (priv->action_list); clutter_actor_paint (priv->info_panel); /* separator */ cogl_set_source_color4ub (255, 255, 255, 51); clutter_actor_get_allocation_box (priv->info_panel, &box); cogl_path_line (box.x1, box.y1, box.x2, box.y1); cogl_path_stroke (); } if (G_UNLIKELY (clipped)) cogl_clip_pop (); }
static void mex_column_paint (ClutterActor *actor) { GList *c; MxPadding padding; ClutterActorBox box; MexColumn *self = MEX_COLUMN (actor); MexColumnPrivate *priv = self->priv; CLUTTER_ACTOR_CLASS (mex_column_parent_class)->paint (actor); mx_widget_get_padding (MX_WIDGET (actor), &padding); clutter_actor_get_allocation_box (actor, &box); cogl_clip_push_rectangle (padding.left, padding.top + priv->adjustment_value, box.x2 - box.x1 - padding.right, box.y2 - box.y1 - padding.bottom + priv->adjustment_value); for (c = priv->children; c; c = c->next) { /* skip the current focus and paint it last*/ if (priv->current_focus != c->data) clutter_actor_paint (c->data); } /* paint the current focused actor last to ensure any shadow is drawn * on top of other items */ if (priv->current_focus) clutter_actor_paint (priv->current_focus); cogl_clip_pop (); }
static void st_box_layout_paint (ClutterActor *actor) { StBoxLayout *self = ST_BOX_LAYOUT (actor); StBoxLayoutPrivate *priv = self->priv; StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor)); GList *l, *children; gdouble x, y; ClutterActorBox allocation_box; ClutterActorBox content_box; get_border_paint_offsets (self, &x, &y); if (x != 0 || y != 0) { cogl_push_matrix (); cogl_translate ((int)x, (int)y, 0); } CLUTTER_ACTOR_CLASS (st_box_layout_parent_class)->paint (actor); if (x != 0 || y != 0) { cogl_pop_matrix (); } children = st_container_get_children_list (ST_CONTAINER (actor)); if (children == NULL) return; clutter_actor_get_allocation_box (actor, &allocation_box); st_theme_node_get_content_box (theme_node, &allocation_box, &content_box); content_box.x1 += x; content_box.y1 += y; content_box.x2 += x; content_box.y2 += y; /* The content area forms the viewport into the scrolled contents, while * the borders and background stay in place; after drawing the borders and * background, we clip to the content area */ if (priv->hadjustment || priv->vadjustment) cogl_clip_push_rectangle ((int)content_box.x1, (int)content_box.y1, (int)content_box.x2, (int)content_box.y2); for (l = children; l; l = g_list_next (l)) { ClutterActor *child = (ClutterActor*) l->data; if (CLUTTER_ACTOR_IS_VISIBLE (child)) clutter_actor_paint (child); } if (priv->hadjustment || priv->vadjustment) cogl_clip_pop (); }
/* XXX: Deprecated API */ void cogl_clip_push (float x_offset, float y_offset, float width, float height) { cogl_clip_push_rectangle (x_offset, y_offset, x_offset + width, y_offset + height); }
static void st_box_layout_paint (ClutterActor *actor) { StBoxLayout *self = ST_BOX_LAYOUT (actor); StBoxLayoutPrivate *priv = self->priv; StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor)); gdouble x, y; ClutterActorBox allocation_box; ClutterActorBox content_box; ClutterActor *child; get_border_paint_offsets (self, &x, &y); if (x != 0 || y != 0) { cogl_push_matrix (); cogl_translate ((int)x, (int)y, 0); } st_widget_paint_background (ST_WIDGET (actor)); if (x != 0 || y != 0) { cogl_pop_matrix (); } if (clutter_actor_get_n_children (actor) == 0) return; clutter_actor_get_allocation_box (actor, &allocation_box); st_theme_node_get_content_box (theme_node, &allocation_box, &content_box); content_box.x1 += x; content_box.y1 += y; content_box.x2 += x; content_box.y2 += y; /* The content area forms the viewport into the scrolled contents, while * the borders and background stay in place; after drawing the borders and * background, we clip to the content area */ if (priv->hadjustment || priv->vadjustment) cogl_clip_push_rectangle ((int)content_box.x1, (int)content_box.y1, (int)content_box.x2, (int)content_box.y2); for (child = clutter_actor_get_first_child (actor); child != NULL; child = clutter_actor_get_next_sibling (child)) clutter_actor_paint (child); if (priv->hadjustment || priv->vadjustment) cogl_clip_pop (); }
static void st_box_layout_pick (ClutterActor *actor, const ClutterColor *color) { StBoxLayout *self = ST_BOX_LAYOUT (actor); StBoxLayoutPrivate *priv = self->priv; StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor)); gdouble x, y; ClutterActorBox allocation_box; ClutterActorBox content_box; ClutterActor *child; get_border_paint_offsets (self, &x, &y); if (x != 0 || y != 0) { cogl_push_matrix (); cogl_translate ((int)x, (int)y, 0); } CLUTTER_ACTOR_CLASS (st_box_layout_parent_class)->pick (actor, color); if (x != 0 || y != 0) { cogl_pop_matrix (); } if (clutter_actor_get_n_children (actor) == 0) return; clutter_actor_get_allocation_box (actor, &allocation_box); st_theme_node_get_content_box (theme_node, &allocation_box, &content_box); content_box.x1 += x; content_box.y1 += y; content_box.x2 += x; content_box.y2 += y; if (priv->hadjustment || priv->vadjustment) cogl_clip_push_rectangle ((int)content_box.x1, (int)content_box.y1, (int)content_box.x2, (int)content_box.y2); for (child = clutter_actor_get_first_child (actor); child != NULL; child = clutter_actor_get_next_sibling (child)) clutter_actor_paint (child); if (priv->hadjustment || priv->vadjustment) cogl_clip_pop (); }
static void mex_grid_view_paint (ClutterActor *actor) { MexGridViewPrivate *priv = MEX_GRID_VIEW (actor)->priv; ClutterActorBox gbox, mbox; CLUTTER_ACTOR_CLASS (mex_grid_view_parent_class)->paint (actor); clutter_actor_get_allocation_box (priv->menu_layout, &mbox); clutter_actor_get_allocation_box (priv->grid_layout, &gbox); cogl_clip_push_rectangle (mbox.x2, mbox.y1, gbox.x2, gbox.y2); clutter_actor_paint (priv->grid_layout); cogl_clip_pop (); clutter_actor_paint (priv->menu_layout); }
static void shell_slicer_paint_child (ShellSlicer *self) { ClutterActor *child; ClutterActorBox self_box; ClutterActorBox child_box; float width, height, child_width, child_height; StAlign x_align, y_align; double x_align_factor, y_align_factor; child = st_bin_get_child (ST_BIN (self)); if (!child) return; st_bin_get_alignment (ST_BIN (self), &x_align, &y_align); _st_get_align_factors (x_align, y_align, &x_align_factor, &y_align_factor); clutter_actor_get_allocation_box (CLUTTER_ACTOR (self), &self_box); clutter_actor_get_allocation_box (child, &child_box); width = self_box.x2 - self_box.x1; height = self_box.y2 - self_box.y1; child_width = child_box.x2 - child_box.x1; child_height = child_box.y2 - child_box.y1; cogl_push_matrix (); cogl_clip_push_rectangle (0, 0, width, height); cogl_translate ((int)(0.5 + x_align_factor * (width - child_width)), (int)(0.5 + y_align_factor * (height - child_height)), 0); clutter_actor_paint (child); cogl_clip_pop (); cogl_pop_matrix (); }
static void on_paint (ClutterActor *actor, CallbackData *data) { int i; ClutterGeometry stage_size; gint hand_width, hand_height; GSList *node; clutter_actor_get_allocation_geometry (data->stage, &stage_size); hand_width = cogl_texture_get_width (data->hand); hand_height = cogl_texture_get_height (data->hand); /* Setup the clipping */ for (node = data->clips; node; node = node->next) { Clip *clip = (Clip *) node->data; if (clip->type == CLIP_RECTANGLE) cogl_clip_push_rectangle (clip->x1, clip->y1, clip->x2, clip->y2); else if (clip->type == CLIP_ROTATED_RECTANGLE) { float size = MIN (ABS (clip->x2 - clip->x1), ABS (clip->y2 - clip->y1)); int cx = (clip->x1 + clip->x2) / 2; int cy = (clip->y1 + clip->y2) / 2; size = sqrtf ((size / 2) * (size / 2) * 2); cogl_push_matrix (); /* Rotate 45° about the centre point */ cogl_translate (cx, cy, 0.0f); cogl_rotate (45.0f, 0.0f, 0.0f, 1.0f); cogl_clip_push_rectangle (-size / 2, -size / 2, size / 2, size / 2); cogl_pop_matrix (); } else { make_clip_path (clip); cogl_clip_push_from_path (); } } /* Draw a rectangle filling the entire stage */ cogl_set_source_color4ub (0x80, 0x80, 0xff, 0xff); cogl_rectangle (0, 0, stage_size.width, stage_size.height); draw_shapes (10, 10); /* Draw the hand at different rotations */ for (i = -2; i <= 2; i++) { cogl_push_matrix (); cogl_translate (stage_size.width / 2 + stage_size.width / 6 * i, stage_size.height / 2, 0); cogl_rotate (i * 40, 0, 1, 0); cogl_set_source_color4ub (0xff, 0xff, 0xff, 0xff); cogl_set_source_texture (data->hand); cogl_rectangle_with_texture_coords ((-hand_width / 2), (-hand_height / 2), (hand_width / 2), (hand_height / 2), 0, 0, 1, 1); cogl_pop_matrix (); } draw_shapes (stage_size.width - 310, stage_size.height - 110); /* Remove all of the clipping */ g_slist_foreach (data->clips, (GFunc) cogl_clip_pop, NULL); /* Draw the bounding box for each of the clips */ for (node = data->clips; node; node = node->next) { Clip *clip = (Clip *) node->data; make_clip_path (clip); cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff); cogl_path_stroke (); } /* Draw the bounding box for the pending new clip */ if (data->current_clip.type != CLIP_NONE) { make_clip_path (&data->current_clip); cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff); cogl_path_stroke (); } }
static void on_paint (ClutterActor *actor, void *state) { float saved_viewport[4]; CoglMatrix saved_projection; CoglMatrix projection; CoglMatrix modelview; guchar *data; CoglHandle tex; CoglHandle offscreen; CoglColor black; float x0; float y0; float width; float height; /* for clearing the offscreen framebuffer to black... */ cogl_color_init_from_4ub (&black, 0x00, 0x00, 0x00, 0xff); cogl_get_viewport (saved_viewport); cogl_get_projection_matrix (&saved_projection); cogl_push_matrix (); cogl_matrix_init_identity (&projection); cogl_matrix_init_identity (&modelview); cogl_set_projection_matrix (&projection); cogl_set_modelview_matrix (&modelview); /* - Create a 100x200 viewport (i.e. smaller than the onscreen framebuffer) * and position it a (20, 10) inside the framebuffer. * - Fill the whole viewport with a purple rectangle * - Verify that the framebuffer is black with a 100x200 purple rectangle at * (20, 10) */ cogl_set_viewport (20, /* x */ 10, /* y */ 100, /* width */ 200); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* fill the viewport with purple.. */ cogl_set_source_color4ub (0xff, 0x00, 0xff, 0xff); cogl_rectangle (-1, 1, 1, -1); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0xff, 0x00, 0xff); /* - Create a viewport twice the size of the onscreen framebuffer with * a negative offset positioning it at (-20, -10) relative to the * buffer itself. * - Draw a 100x200 green rectangle at (40, 20) within the viewport (which * is (20, 10) within the framebuffer) * - Verify that the framebuffer is black with a 100x200 green rectangle at * (20, 10) */ cogl_set_viewport (-20, /* x */ -10, /* y */ FRAMEBUFFER_WIDTH * 2, /* width */ FRAMEBUFFER_HEIGHT * 2); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* draw a 100x200 green rectangle offset into the viewport such that its * top left corner should be found at (20, 10) in the offscreen buffer */ /* (offset 40 pixels right from the left of the viewport) */ x0 = -1.0f + (1.0f / FRAMEBUFFER_WIDTH) * 40.f; /* (offset 20 pixels down from the top of the viewport) */ y0 = 1.0f - (1.0f / FRAMEBUFFER_HEIGHT) * 20.0f; width = (1.0f / FRAMEBUFFER_WIDTH) * 100; height = (1.0f / FRAMEBUFFER_HEIGHT) * 200; cogl_set_source_color4ub (0x00, 0xff, 0x00, 0xff); cogl_rectangle (x0, y0, x0 + width, y0 - height); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0x00, 0xff, 0x00); /* - Create a 200x400 viewport and position it a (20, 10) inside the draw * buffer. * - Push a 100x200 window space clip rectangle at (20, 10) * - Fill the whole viewport with a blue rectangle * - Verify that the framebuffer is black with a 100x200 blue rectangle at * (20, 10) */ cogl_set_viewport (20, /* x */ 10, /* y */ 200, /* width */ 400); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); cogl_clip_push_window_rectangle (20, 10, 100, 200); /* fill the viewport with blue.. */ cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff); cogl_rectangle (-1, 1, 1, -1); cogl_clip_pop (); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0x00, 0x00, 0xff); /* - Create a 200x400 viewport and position it a (20, 10) inside the draw * buffer. * - Push a 100x200 model space clip rectangle at (20, 10) in the viewport * (i.e. (40, 20) inside the framebuffer) * - Fill the whole viewport with a green rectangle * - Verify that the framebuffer is black with a 100x200 green rectangle at * (40, 20) */ cogl_set_viewport (20, /* x */ 10, /* y */ 200, /* width */ 400); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* figure out where to position our clip rectangle in model space * coordinates... */ /* (offset 40 pixels right from the left of the viewport) */ x0 = -1.0f + (2.0f / 200) * 20.f; /* (offset 20 pixels down from the top of the viewport) */ y0 = 1.0f - (2.0f / 400) * 10.0f; width = (2.0f / 200) * 100; height = (2.0f / 400) * 200; /* add the clip rectangle... */ cogl_push_matrix (); cogl_translate (x0 + (width/2.0), y0 - (height/2.0), 0); /* XXX: Rotate just enough to stop Cogl from converting our model space * rectangle into a window space rectangle.. */ cogl_rotate (0.1, 0, 0, 1); cogl_clip_push_rectangle (-(width/2.0), -(height/2.0), width/2.0, height/2.0); cogl_pop_matrix (); /* fill the viewport with green.. */ cogl_set_source_color4ub (0x00, 0xff, 0x00, 0xff); cogl_rectangle (-1, 1, 1, -1); cogl_clip_pop (); assert_rectangle_color_and_black_border (40, 20, 100, 200, 0x00, 0xff, 0x00); /* Set the viewport to something specific so we can verify that it gets * restored after we are done testing with an offscreen framebuffer... */ cogl_set_viewport (20, 10, 100, 200); /* * Next test offscreen drawing... */ data = g_malloc (FRAMEBUFFER_WIDTH * 4 * FRAMEBUFFER_HEIGHT); tex = cogl_texture_new_from_data (FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT, COGL_TEXTURE_NO_SLICING, COGL_PIXEL_FORMAT_RGBA_8888, /* data fmt */ COGL_PIXEL_FORMAT_ANY, /* internal fmt */ FRAMEBUFFER_WIDTH * 4, /* rowstride */ data); g_free (data); offscreen = cogl_offscreen_new_to_texture (tex); cogl_push_framebuffer (offscreen); /* - Create a 100x200 viewport (i.e. smaller than the offscreen framebuffer) * and position it a (20, 10) inside the framebuffer. * - Fill the whole viewport with a blue rectangle * - Verify that the framebuffer is black with a 100x200 blue rectangle at * (20, 10) */ cogl_set_viewport (20, /* x */ 10, /* y */ 100, /* width */ 200); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* fill the viewport with blue.. */ cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff); cogl_rectangle (-1, 1, 1, -1); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0x00, 0x00, 0xff); /* - Create a viewport twice the size of the offscreen framebuffer with * a negative offset positioning it at (-20, -10) relative to the * buffer itself. * - Draw a 100x200 red rectangle at (40, 20) within the viewport (which * is (20, 10) within the framebuffer) * - Verify that the framebuffer is black with a 100x200 red rectangle at * (20, 10) */ cogl_set_viewport (-20, /* x */ -10, /* y */ FRAMEBUFFER_WIDTH * 2, /* width */ FRAMEBUFFER_HEIGHT * 2); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* draw a 100x200 red rectangle offset into the viewport such that its * top left corner should be found at (20, 10) in the offscreen buffer */ /* (offset 40 pixels right from the left of the viewport) */ x0 = -1.0f + (1.0f / FRAMEBUFFER_WIDTH) * 40.f; /* (offset 20 pixels down from the top of the viewport) */ y0 = 1.0f - (1.0f / FRAMEBUFFER_HEIGHT) * 20.0f; width = (1.0f / FRAMEBUFFER_WIDTH) * 100; height = (1.0f / FRAMEBUFFER_HEIGHT) * 200; cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff); cogl_rectangle (x0, y0, x0 + width, y0 - height); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0xff, 0x00, 0x00); /* - Create a 200x400 viewport and position it a (20, 10) inside the draw * buffer. * - Push a 100x200 window space clip rectangle at (20, 10) * - Fill the whole viewport with a blue rectangle * - Verify that the framebuffer is black with a 100x200 blue rectangle at * (20, 10) */ cogl_set_viewport (20, /* x */ 10, /* y */ 200, /* width */ 400); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); cogl_clip_push_window_rectangle (20, 10, 100, 200); /* fill the viewport with blue.. */ cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff); cogl_rectangle (-1, 1, 1, -1); cogl_clip_pop (); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0x00, 0x00, 0xff); /* - Create a 200x400 viewport and position it a (20, 10) inside the draw * buffer. * - Push a 100x200 model space clip rectangle at (20, 10) in the viewport * (i.e. (40, 20) inside the framebuffer) * - Fill the whole viewport with a green rectangle * - Verify that the framebuffer is black with a 100x200 green rectangle at * (40, 20) */ cogl_set_viewport (20, /* x */ 10, /* y */ 200, /* width */ 400); /* height */ /* clear everything... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); /* figure out where to position our clip rectangle in model space * coordinates... */ /* (offset 40 pixels right from the left of the viewport) */ x0 = -1.0f + (2.0f / 200) * 20.f; /* (offset 20 pixels down from the top of the viewport) */ y0 = 1.0f - (2.0f / 400) * 10.0f; width = (2.0f / 200) * 100; height = (2.0f / 400) * 200; /* add the clip rectangle... */ cogl_push_matrix (); cogl_translate (x0 + (width/2.0), y0 - (height/2.0), 0); /* XXX: Rotate just enough to stop Cogl from converting our model space * rectangle into a window space rectangle.. */ cogl_rotate (0.1, 0, 0, 1); cogl_clip_push_rectangle (-(width/2.0), -(height/2.0), width/2, height/2); cogl_pop_matrix (); /* fill the viewport with green.. */ cogl_set_source_color4ub (0x00, 0xff, 0x00, 0xff); cogl_rectangle (-1, 1, 1, -1); cogl_clip_pop (); assert_rectangle_color_and_black_border (40, 20, 100, 200, 0x00, 0xff, 0x00); /* Set the viewport to something obscure to verify that it gets * replace when we switch back to the onscreen framebuffer... */ cogl_set_viewport (0, 0, 10, 10); cogl_pop_framebuffer (); cogl_handle_unref (offscreen); /* * Verify that the previous onscreen framebuffer's viewport was restored * by drawing a white rectangle across the whole viewport. This should * draw a 100x200 rectangle at (20,10) relative to the onscreen draw * buffer... */ cogl_clear (&black, COGL_BUFFER_BIT_COLOR); cogl_set_source_color4ub (0xff, 0xff, 0xff, 0xff); cogl_rectangle (-1, 1, 1, -1); assert_rectangle_color_and_black_border (20, 10, 100, 200, 0xff, 0xff, 0xff); /* Uncomment to display the last contents of the offscreen framebuffer */ #if 1 cogl_matrix_init_identity (&projection); cogl_matrix_init_identity (&modelview); cogl_set_viewport (0, 0, FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT); cogl_set_projection_matrix (&projection); cogl_set_modelview_matrix (&modelview); cogl_set_source_texture (tex); cogl_rectangle (-1, 1, 1, -1); #endif cogl_handle_unref (tex); /* Finally restore the stage's original state... */ cogl_pop_matrix (); cogl_set_projection_matrix (&saved_projection); cogl_set_viewport (saved_viewport[0], saved_viewport[1], saved_viewport[2], saved_viewport[3]); /* Comment this out if you want visual feedback of what this test * paints. */ clutter_main_quit (); }