static void st_icon_paint (ClutterActor *actor) { StIconPrivate *priv = ST_ICON (actor)->priv; /* Chain up to paint background */ CLUTTER_ACTOR_CLASS (st_icon_parent_class)->paint (actor); if (priv->icon_texture) { if (priv->shadow_material) { ClutterActorBox allocation; float width, height; clutter_actor_get_allocation_box (priv->icon_texture, &allocation); clutter_actor_box_get_size (&allocation, &width, &height); allocation.x1 = (width - priv->shadow_width) / 2; allocation.y1 = (height - priv->shadow_height) / 2; allocation.x2 = allocation.x1 + priv->shadow_width; allocation.y2 = allocation.y1 + priv->shadow_height; _st_paint_shadow_with_opacity (priv->shadow_spec, priv->shadow_material, &allocation, clutter_actor_get_paint_opacity (priv->icon_texture)); } clutter_actor_paint (priv->icon_texture); } }
static void st_icon_paint (ClutterActor *actor) { StIconPrivate *priv = ST_ICON (actor)->priv; st_widget_paint_background (ST_WIDGET (actor)); if (priv->icon_texture) { if (priv->shadow_material) { ClutterActorBox allocation; float width, height; clutter_actor_get_allocation_box (priv->icon_texture, &allocation); clutter_actor_box_get_size (&allocation, &width, &height); _st_paint_shadow_with_opacity (priv->shadow_spec, priv->shadow_material, &allocation, clutter_actor_get_paint_opacity (priv->icon_texture)); } clutter_actor_paint (priv->icon_texture); } }
static void clutter_box_real_paint (ClutterActor *actor) { ClutterBoxPrivate *priv = CLUTTER_BOX (actor)->priv; if (priv->color_set) { ClutterActorBox box = { 0, }; gfloat width, height; guint8 tmp_alpha; clutter_actor_get_allocation_box (actor, &box); clutter_actor_box_get_size (&box, &width, &height); tmp_alpha = clutter_actor_get_paint_opacity (actor) * priv->color.alpha / 255; cogl_set_source_color4ub (priv->color.red, priv->color.green, priv->color.blue, tmp_alpha); cogl_rectangle (0, 0, width, height); } g_list_foreach (priv->children, (GFunc) clutter_actor_paint, NULL); }
static void glide_image_paint (ClutterActor *self) { GlideImage *image = GLIDE_IMAGE (self); GlideImagePrivate *priv = image->priv; ClutterActorBox box = {0, }; gfloat t_w, t_h; guint8 paint_opacity = clutter_actor_get_paint_opacity (self); if (paint_opacity == 0) { return; } GLIDE_NOTE (PAINT, "painting image '%s'", GLIDE_ACTOR_DISPLAY_NAME (self)); cogl_material_set_color4ub (priv->material, paint_opacity, paint_opacity, paint_opacity, paint_opacity); clutter_actor_get_allocation_box (self, &box); GLIDE_NOTE (PAINT, "paint to x1: %f, y1: %f x2: %f, y2: %f " "opacity: %i", box.x1, box.y1, box.x2, box.y2, clutter_actor_get_opacity (self)); t_w = 1.0; t_h = 1.0; cogl_set_source (priv->material); cogl_rectangle_with_texture_coords (0, 0, box.x2 - box.x1, box.y2 - box.y1, 0, 0, t_w, t_h); }
static void shell_grid_desaturate_effect_paint_target (ClutterOffscreenEffect *effect) { ShellGridDesaturateEffect *self = SHELL_GRID_DESATURATE_EFFECT (effect); ClutterActor *actor; CoglHandle texture; guint8 paint_opacity; texture = clutter_offscreen_effect_get_texture (effect); cogl_pipeline_set_layer_texture (self->pipeline, 0, texture); actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); paint_opacity = clutter_actor_get_paint_opacity (actor); cogl_pipeline_set_color4ub (self->pipeline, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_push_source (self->pipeline); cogl_rectangle (0, 0, cogl_texture_get_width (texture), cogl_texture_get_height (texture)); cogl_pop_source (); }
static void mex_tile_paint (ClutterActor *actor) { MexTilePrivate *priv = MEX_TILE (actor)->priv; MxPadding padding; ClutterActorBox box; CLUTTER_ACTOR_CLASS (mex_tile_parent_class)->paint (actor); clutter_actor_paint (priv->child); mx_widget_get_padding (MX_WIDGET (actor), &padding); if (priv->header_visible) { clutter_actor_get_allocation_box (actor, &box); if (priv->header_background_color) { cogl_set_source_color4ub (priv->header_background_color->red, priv->header_background_color->green, priv->header_background_color->blue, priv->header_background_color->alpha); cogl_rectangle (padding.left, padding.top, box.x2 - box.x1 - padding.right, priv->header_height); } if (cogl_material_get_n_layers (priv->material) > 0) { guint8 opacity; opacity = clutter_actor_get_paint_opacity (actor); cogl_material_set_color4ub (priv->material, opacity, opacity, opacity, opacity); cogl_set_source (priv->material); cogl_rectangle (padding.left, padding.top, box.x2 - box.x1 - padding.right, priv->header_height); } clutter_actor_paint (priv->box_layout); if (priv->icon1) clutter_actor_paint (priv->icon1); if (priv->icon2) clutter_actor_paint (priv->icon2); } }
static void penge_magic_texture_paint (ClutterActor *actor) { ClutterActorBox box; CoglHandle *material, *tex; float bw, bh; float aw, ah; float v; float tx1, tx2, ty1, ty2; guint8 alpha; clutter_actor_get_allocation_box (actor, &box); material = clutter_texture_get_cogl_material (CLUTTER_TEXTURE (actor)); tex = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor)); bw = (float) cogl_texture_get_width (tex); /* base texture width */ bh = (float) cogl_texture_get_height (tex); /* base texture height */ aw = (float) (box.x2 - box.x1); /* allocation width */ ah = (float) (box.y2 - box.y1); /* allocation height */ /* no comment */ if ((float)bw/bh < (float)aw/ah) { /* fit width */ v = (((float)ah * bw) / ((float)aw * bh)) / 2; tx1 = 0; tx2 = 1; ty1 = (0.5 - v); ty2 = (0.5 + v); } else { /* fit height */ v = (((float)aw * bh) / ((float)ah * bw)) / 2; tx1 = (0.5 - v); tx2 = (0.5 + v); ty1 = 0; ty2 = 1; } alpha = clutter_actor_get_paint_opacity (actor); cogl_material_set_color4ub (material, alpha, alpha, alpha, alpha); cogl_set_source (material); cogl_rectangle_with_texture_coords (0, 0, aw, ah, tx1, ty1, tx2, ty2); }
static void mx_fade_effect_paint_target (ClutterOffscreenEffect *effect) { guint8 opacity; CoglColor color; ClutterActor *actor; CoglMaterial *material = clutter_offscreen_effect_get_target (effect); MxFadeEffect *self = MX_FADE_EFFECT (effect); MxFadeEffectPrivate *priv = self->priv; if (priv->update_vbo) mx_fade_effect_update_vbo (self); if (!priv->vbo || !priv->indices || !material) return; /* Set the blend string if the material has changed so we can blend with * the paint opacity. */ if (material != priv->old_material) { GError *error = NULL; priv->old_material = material; if (!cogl_material_set_layer_combine (material, 1, "RGBA = MODULATE(PREVIOUS,CONSTANT)", &error)) { g_warning (G_STRLOC ": Error setting layer combine blend string: %s", error->message); g_error_free (error); } } /* Set the layer-combine constant so the texture is blended with the paint * opacity when painted. */ actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); opacity = clutter_actor_get_paint_opacity (actor); cogl_color_init_from_4ub (&color, opacity, opacity, opacity, opacity); cogl_material_set_layer_combine_constant (material, 1, &color); /* Draw the texture */ cogl_set_source (material); cogl_vertex_buffer_draw_elements (priv->vbo, COGL_VERTICES_MODE_TRIANGLES, priv->indices, 0, (priv->n_quads * 4) - 1, 0, priv->n_quads * 6); }
static void clutter_image_paint_content (ClutterContent *content, ClutterActor *actor, ClutterPaintNode *root) { ClutterImagePrivate *priv = CLUTTER_IMAGE (content)->priv; ClutterScalingFilter min_f, mag_f; ClutterContentRepeat repeat; ClutterPaintNode *node; ClutterActorBox box; ClutterColor color; guint8 paint_opacity; if (priv->texture == NULL) return; clutter_actor_get_content_box (actor, &box); paint_opacity = clutter_actor_get_paint_opacity (actor); clutter_actor_get_content_scaling_filters (actor, &min_f, &mag_f); repeat = clutter_actor_get_content_repeat (actor); /* ClutterTextureNode will premultiply the blend color, so we * want it to be white with the paint opacity */ color.red = 255; color.green = 255; color.blue = 255; color.alpha = paint_opacity; node = clutter_texture_node_new (priv->texture, &color, min_f, mag_f); clutter_paint_node_set_name (node, "Image"); if (repeat == CLUTTER_REPEAT_NONE) clutter_paint_node_add_rectangle (node, &box); else { float t_w = 1.f, t_h = 1.f; if ((repeat & CLUTTER_REPEAT_X_AXIS) != FALSE) t_w = (box.x2 - box.x1) / cogl_texture_get_width (priv->texture); if ((repeat & CLUTTER_REPEAT_Y_AXIS) != FALSE) t_h = (box.y2 - box.y1) / cogl_texture_get_height (priv->texture); clutter_paint_node_add_texture_rectangle (node, &box, 0.f, 0.f, t_w, t_h); } clutter_paint_node_add_child (root, node); clutter_paint_node_unref (node); }
static void st_widget_paint (ClutterActor *actor) { StWidget *self = ST_WIDGET (actor); StThemeNode *theme_node; ClutterActorBox allocation; theme_node = st_widget_get_theme_node (self); clutter_actor_get_allocation_box (actor, &allocation); st_theme_node_paint (theme_node, &allocation, clutter_actor_get_paint_opacity (actor)); }
static gboolean draw_cb (ClutterCairoTexture *canvas, cairo_t *cr) { EmpathyRoundedRectangle *self = EMPATHY_ROUNDED_RECTANGLE (canvas); guint width, height; guint border_width; gdouble tmp_alpha; gdouble radius; width = self->priv->width; height = self->priv->height; radius = self->priv->height / self->priv->round_factor; border_width = self->priv->border_width; /* compute the composited opacity of the actor taking into * account the opacity of the color set by the user */ tmp_alpha = (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) * self->priv->border_color.alpha) / 255.; cairo_set_source_rgba (cr, self->priv->border_color.red / 255., self->priv->border_color.green / 255., self->priv->border_color.blue / 255., tmp_alpha); cairo_set_line_width (cr, border_width); cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); cairo_paint (cr); cairo_set_operator (cr, CAIRO_OPERATOR_OVER); /* make room for the portion of the border drawn on the outside */ cairo_translate (cr, border_width/2.0, border_width/2.0); cairo_new_sub_path (cr); cairo_arc (cr, width - radius, radius, radius, -M_PI/2.0, 0); cairo_arc (cr, width - radius, height - radius, radius, 0, M_PI/2.0); cairo_arc (cr, radius, height - radius, radius, M_PI/2.0, M_PI); cairo_arc (cr, radius, radius, radius, M_PI, -M_PI/2.0); cairo_close_path (cr); cairo_stroke (cr); return TRUE; }
static void mnb_spinner_paint (ClutterActor *self) { MnbSpinnerPrivate *priv = MNB_SPINNER (self)->priv; MxWidget *widget = MX_WIDGET (self); ClutterTexture *background; /* * This paints border-image. */ CLUTTER_ACTOR_CLASS (mnb_spinner_parent_class)->paint (self); if ((background = (ClutterTexture *) mx_widget_get_background_image (widget))) { gint tx_w, tx_h; gfloat tf_x, tf_y, tf_w, tf_h; guint8 opacity; ClutterActorBox box = { 0, }; CoglHandle material; if (!CLUTTER_IS_TEXTURE (background)) return; opacity = clutter_actor_get_paint_opacity (self); if (opacity == 0) return; clutter_texture_get_base_size (background, &tx_w, &tx_h); material = clutter_texture_get_cogl_material (background); cogl_material_set_color4ub (material, opacity, opacity, opacity, opacity); clutter_actor_get_allocation_box (self, &box); tf_x = (gfloat)priv->frame / (gfloat) priv->n_frames; tf_y = 0.0; tf_w = tf_x + 1.0 / priv->n_frames; tf_h = 1.0; /* Paint will have translated us */ cogl_set_source (material); cogl_rectangle_with_texture_coords (0.0, 0.0, box.x2 - box.x1, box.y2 - box.y1, tf_x, tf_y, tf_w, tf_h); } }
static void meta_background_actor_paint (ClutterActor *actor) { MetaBackgroundActor *self = META_BACKGROUND_ACTOR (actor); MetaBackgroundActorPrivate *priv = self->priv; guint8 opacity = clutter_actor_get_paint_opacity (actor); guint8 color_component; int width, height; meta_screen_get_size (priv->background->screen, &width, &height); color_component = (int)(0.5 + opacity * priv->dim_factor); cogl_material_set_color4ub (priv->material, color_component, color_component, color_component, opacity); cogl_set_source (priv->material); if (priv->visible_region) { int n_rectangles = cairo_region_num_rectangles (priv->visible_region); int i; for (i = 0; i < n_rectangles; i++) { cairo_rectangle_int_t rect; cairo_region_get_rectangle (priv->visible_region, i, &rect); cogl_rectangle_with_texture_coords (rect.x, rect.y, rect.x + rect.width, rect.y + rect.height, rect.x / priv->background->texture_width, rect.y / priv->background->texture_height, (rect.x + rect.width) / priv->background->texture_width, (rect.y + rect.height) / priv->background->texture_height); } } else { cogl_rectangle_with_texture_coords (0.0f, 0.0f, width, height, 0.0f, 0.0f, width / priv->background->texture_width, height / priv->background->texture_height); } }
static void empathy_rounded_rectangle_paint (EmpathyRoundedRectangle *self) { guint width, height; guint tmp_alpha; cairo_t *cr; #define RADIUS (height / 8.) clutter_cairo_texture_get_surface_size (CLUTTER_CAIRO_TEXTURE (self), &width, &height); /* compute the composited opacity of the actor taking into * account the opacity of the color set by the user */ tmp_alpha = clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) * self->priv->border_color.alpha / 255; cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (self)); cairo_set_source_rgba (cr, self->priv->border_color.red, self->priv->border_color.green, self->priv->border_color.blue, tmp_alpha); cairo_set_line_width (cr, self->priv->border_width); cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); cairo_paint (cr); cairo_set_operator (cr, CAIRO_OPERATOR_OVER); cairo_new_sub_path (cr); cairo_arc (cr, width - RADIUS, RADIUS, RADIUS, -M_PI/2.0, 0); cairo_arc (cr, width - RADIUS, height - RADIUS, RADIUS, 0, M_PI/2.0); cairo_arc (cr, RADIUS, height - RADIUS, RADIUS, M_PI/2.0, M_PI); cairo_arc (cr, RADIUS, RADIUS, RADIUS, M_PI, -M_PI/2.0); cairo_close_path (cr); cairo_stroke (cr); cairo_destroy (cr); #undef RADIUS }
/* * MxWidget::paint_background vfunction implementation. */ static void mpl_panel_background_paint_background (MxWidget *self, ClutterActor *background, const ClutterColor *color) { MxPadding padding = { 0, }; mx_widget_get_padding (self, &padding); /* * Paint any solid background colour that is not completely transparent. */ if (color && color->alpha != 0) { ClutterActor *actor = CLUTTER_ACTOR (self); ClutterActorBox allocation = { 0, }; ClutterColor bg_color = *color; gfloat w, h; bg_color.alpha = clutter_actor_get_paint_opacity (actor) * bg_color.alpha / 255; clutter_actor_get_allocation_box (actor, &allocation); w = allocation.x2 - allocation.x1; h = allocation.y2 - allocation.y1; cogl_set_source_color4ub (bg_color.red, bg_color.green, bg_color.blue, bg_color.alpha); cogl_rectangle (padding.left, padding.top, w - padding.left - padding.right, h - padding.top - padding.bottom); } /* * Now paint the asset. */ if (background) mpl_panel_background_paint_border_image (MX_TEXTURE_FRAME (background), &padding); }
static void clutter_clone_paint (ClutterActor *actor) { ClutterClone *self = CLUTTER_CLONE (actor); ClutterClonePrivate *priv = self->priv; gboolean was_unmapped = FALSE; if (priv->clone_source == NULL) return; CLUTTER_NOTE (PAINT, "painting clone actor '%s'", _clutter_actor_get_debug_name (actor)); /* The final bits of magic: * - We need to override the paint opacity of the actor with our own * opacity. * - We need to inform the actor that it's in a clone paint (for the function * clutter_actor_is_in_clone_paint()) * - We need to stop clutter_actor_paint applying the model view matrix of * the clone source actor. */ _clutter_actor_set_in_clone_paint (priv->clone_source, TRUE); _clutter_actor_set_opacity_override (priv->clone_source, clutter_actor_get_paint_opacity (actor)); _clutter_actor_set_enable_model_view_transform (priv->clone_source, FALSE); if (!CLUTTER_ACTOR_IS_MAPPED (priv->clone_source)) { _clutter_actor_set_enable_paint_unmapped (priv->clone_source, TRUE); was_unmapped = TRUE; } _clutter_actor_push_clone_paint (); clutter_actor_paint (priv->clone_source); _clutter_actor_pop_clone_paint (); if (was_unmapped) _clutter_actor_set_enable_paint_unmapped (priv->clone_source, FALSE); _clutter_actor_set_enable_model_view_transform (priv->clone_source, TRUE); _clutter_actor_set_opacity_override (priv->clone_source, -1); _clutter_actor_set_in_clone_paint (priv->clone_source, FALSE); }
static void aisleriot_slot_renderer_set_material_for_card (AisleriotSlotRenderer *srend, CoglHandle tex, gboolean show_highlight) { AisleriotSlotRendererPrivate *priv = srend->priv; guint8 opacity = clutter_actor_get_paint_opacity (CLUTTER_ACTOR (srend)); if (priv->material == COGL_INVALID_HANDLE) priv->material = cogl_material_new (); if (show_highlight) { CoglColor color; /* The previous code for drawing the highlight rendered the normal card texture and then rendered the card again multiplied by the highlight color but with 50% transparency. The blend function is alpha*src+(1-alpha*dst) where src is effectively the tex times the highlight color and the dst is the original tex. Therefore the final color is 0.5*tex+0.5*tex*highlight which is the same as (0.5+highlight/2)*tex. We can precompute that value to avoid having to draw the card twice */ cogl_color_set_from_4ub (&color, MIN (priv->highlight_color.red / 2 + 128, 0xff), MIN (priv->highlight_color.green / 2 + 128, 0xff), MIN (priv->highlight_color.blue / 2 + 128, 0xff), opacity); cogl_color_premultiply (&color); cogl_material_set_color (priv->material, &color); } else cogl_material_set_color4ub (priv->material, opacity, opacity, opacity, opacity); cogl_material_set_layer (priv->material, 0, tex); cogl_set_source (priv->material); }
static void mx_tooltip_paint (ClutterActor *self) { MxTooltipPrivate *priv = MX_TOOLTIP (self)->priv; gfloat width, height; CoglHandle arrow_image; guint alpha; clutter_actor_get_size (self, &width, &height); width = (gint)(width / 2.f); height = (gint)(height / 2.f); alpha = clutter_actor_get_paint_opacity (self); cogl_push_matrix (); cogl_translate (priv->text_allocation.x1, priv->text_allocation.y1, 0); if (priv->border_image_texture) mx_texture_frame_paint_texture (priv->border_image_texture, alpha, priv->border_image->top, priv->border_image->right, priv->border_image->bottom, priv->border_image->left, priv->text_allocation.x2 - priv->text_allocation.x1, priv->text_allocation.y2 - priv->text_allocation.y1); cogl_pop_matrix (); arrow_image = mx_widget_get_background_texture (MX_WIDGET (self)); if (arrow_image && !priv->actor_below) { _mx_paint_texture_with_opacity (arrow_image, alpha, priv->arrow_box.x1, priv->arrow_box.y1, priv->arrow_box.x2 - priv->arrow_box.x1, priv->arrow_box.y2 - priv->arrow_box.y1); } clutter_actor_paint (priv->label); }
static void shell_anamorphosis_effect_paint_target (ClutterOffscreenEffect *effect) { ShellAnamorphosisEffect *self = SHELL_ANAMORPHOSIS_EFFECT (effect); ShellAnamorphosisEffectPrivate *priv = shell_anamorphosis_effect_get_instance_private (self); CoglFramebuffer *fb = cogl_get_draw_framebuffer (); ClutterActor *actor; guint8 paint_opacity; actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); paint_opacity = clutter_actor_get_paint_opacity (actor); cogl_pipeline_set_color4ub (priv->pipeline, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_framebuffer_draw_rectangle (fb, priv->pipeline, 0, 0, priv->tex_width, priv->tex_height); }
static void trickplay_webgl_canvas_paint (ClutterActor *self) { ClutterTexture *texture = CLUTTER_TEXTURE (self); guint8 paint_opacity = clutter_actor_get_paint_opacity (self); CoglMaterial * material = ( CoglMaterial * ) clutter_texture_get_cogl_material( texture ); cogl_material_set_color4ub (material, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_set_source (material); ClutterActorBox box; clutter_actor_get_allocation_box (self, &box); cogl_rectangle_with_texture_coords ( 0 , 0 , box.x2 - box.x1 , box.y2 - box.y1 , 0, 1, 1, 0); }
static void clutter_colorize_effect_paint_target (ClutterOffscreenEffect *effect) { ClutterColorizeEffect *self = CLUTTER_COLORIZE_EFFECT (effect); CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer (); ClutterActor *actor; guint8 paint_opacity; actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); paint_opacity = clutter_actor_get_paint_opacity (actor); cogl_pipeline_set_color4ub (self->pipeline, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_framebuffer_draw_rectangle (framebuffer, self->pipeline, 0, 0, self->tex_width, self->tex_height); }
static void shell_glsl_quad_paint (ClutterActor *actor) { ShellGLSLQuad *self = SHELL_GLSL_QUAD (actor); ShellGLSLQuadPrivate *priv; guint8 paint_opacity; ClutterActorBox box; priv = shell_glsl_quad_get_instance_private (self); paint_opacity = clutter_actor_get_paint_opacity (actor); clutter_actor_get_allocation_box (actor, &box); cogl_pipeline_set_color4ub (priv->pipeline, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_framebuffer_draw_rectangle (cogl_get_draw_framebuffer (), priv->pipeline, box.x1, box.y1, box.x2, box.y2); }
static gboolean st_background_effect_pre_paint (ClutterEffect *effect) { StBackgroundEffect *self = ST_BACKGROUND_EFFECT (effect); ClutterEffectClass *parent_class; gfloat width; gfloat height; gfloat posx; gfloat posy; guchar *data; guint size; guint rowstride; glong new_time; gdouble time_used; ClutterActor *stage; gfloat stage_width; gfloat stage_height; if (self->bg_bumpmap == NULL) return FALSE; if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect))) return FALSE; self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); if (self->actor == NULL) return FALSE; if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL)) { /* if we don't have support for GLSL shaders then we * forcibly disable the ActorMeta */ g_warning ("Unable to use the ShaderEffect: the graphics hardware " "or the current GL driver does not implement support " "for the GLSL shading language."); clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE); return FALSE; } new_time = clock(); time_used = ((double) (new_time - self->old_time)*100) / (double) CLOCKS_PER_SEC; self->old_time = new_time; posx = 0.0f; posy = 0.0f; width = 0.0f; height = 0.0f; stage_width = 0.0f; stage_height = 0.0f; clutter_actor_get_transformed_position (self->actor, &posx, &posy); clutter_actor_get_transformed_size (self->actor, &width, &height); self->opacity = clutter_actor_get_paint_opacity (self->actor); stage = clutter_actor_get_stage (self->actor); clutter_actor_get_size (stage, &stage_width, &stage_height); if ((posx < 0) || (posy < 0) || ((posx + width) > stage_width) || ((posy + height) > stage_height)) return FALSE; if (( posx != self->posx_old) || ( posy != self->posy_old) || ( width != self->width_old) || ( height != self->height_old) || (time_used > 50.0)) { self->posx_old = posx; self->posy_old = posy; self->width_old = width; self->height_old = height; self->bg_posx_i = round(posx)+2; self->bg_posy_i = round(posy)+2; self->bg_width_i = round(width)-4; self->bg_height_i = round(height)-4; size = (self->bg_width_i) * (self->bg_height_i) * 4; if (((self->opacity == 0xff) || (self->bg_texture == NULL)) && (size > 400)) { rowstride = (self->bg_width_i) * 4; data = g_malloc (size); cogl_read_pixels (self->bg_posx_i, self->bg_posy_i, self->bg_width_i, self->bg_height_i, COGL_READ_PIXELS_COLOR_BUFFER, COGL_PIXEL_FORMAT_RGBA_8888_PRE, data); if (data != NULL) { if (self->bg_texture != NULL) { cogl_handle_unref (self->bg_texture); self->bg_texture = NULL; } self->bg_texture = st_cogl_texture_new_from_data_wrapper (self->bg_width_i, self->bg_height_i, COGL_TEXTURE_NO_SLICING, COGL_PIXEL_FORMAT_RGBA_8888_PRE, COGL_PIXEL_FORMAT_RGBA_8888_PRE, rowstride, data); g_free (data); } } } parent_class = CLUTTER_EFFECT_CLASS (st_background_effect_parent_class); if (parent_class->pre_paint (effect)) { ClutterOffscreenEffect *offscreen_effect = CLUTTER_OFFSCREEN_EFFECT (effect); CoglHandle fg_texture; fg_texture = clutter_offscreen_effect_get_texture (offscreen_effect); if (fg_texture != COGL_INVALID_HANDLE) { self->fg_width_i = cogl_texture_get_width (fg_texture); self->fg_height_i = cogl_texture_get_height (fg_texture); if ((self->bg_texture != NULL) && (self->opacity == 0xff)) { if (self->pixel_step_uniform0 > -1) { gfloat pixel_step[3]; pixel_step[0] = 1.0f / (self->bg_width_i); pixel_step[1] = 1.0f / (self->bg_height_i); pixel_step[2] = 0.0f; cogl_pipeline_set_uniform_float (self->pipeline0, self->pixel_step_uniform0, 3, 1, pixel_step); } if (self->BumpTex_uniform > -1) { cogl_pipeline_set_uniform_1i (self->pipeline0, self->BumpTex_uniform, 1); } if (self->bump_step_uniform > -1) { gfloat bump_step[2]; bump_step[0] = 1.0f / (self->bumptex_width_i); bump_step[1] = 1.0f / (self->bumptex_height_i); cogl_pipeline_set_uniform_float (self->pipeline0, self->bump_step_uniform, 2, 1, bump_step); } if (self->bg_sub_texture != NULL) { cogl_handle_unref (self->bg_sub_texture); self->bg_sub_texture = NULL; } self->bg_sub_texture = st_cogl_texture_new_with_size_wrapper (self->bg_width_i, self->bg_height_i, COGL_TEXTURE_NO_SLICING, COGL_PIXEL_FORMAT_RGBA_8888_PRE); cogl_pipeline_set_layer_texture (self->pipeline0, 0, self->bg_texture); if (self->pixel_step_uniform1 > -1) { gfloat pixel_step[3]; pixel_step[0] = 1.0f / (self->bg_width_i); pixel_step[1] = 1.0f / (self->bg_height_i); pixel_step[2] = 1.0f; cogl_pipeline_set_uniform_float (self->pipeline1, self->pixel_step_uniform1, 3, 1, pixel_step); } if (self->pixel_step_uniform2 > -1) { gfloat pixel_step[3]; pixel_step[0] = 1.0f / (self->fg_width_i); pixel_step[1] = 1.0f / (self->fg_height_i); pixel_step[2] = 2.0f; cogl_pipeline_set_uniform_float (self->pipeline3, self->pixel_step_uniform2, 3, 1, pixel_step); } } cogl_pipeline_set_layer_texture (self->pipeline2, 0, fg_texture); cogl_pipeline_set_layer_texture (self->pipeline3, 0, fg_texture); cogl_pipeline_set_layer_texture (self->pipeline4, 0, fg_texture); } return TRUE; } else { return FALSE; } }
static void meta_window_group_paint (ClutterActor *actor) { cairo_region_t *visible_region; ClutterActor *stage; cairo_rectangle_int_t visible_rect; GList *children, *l; int paint_x_origin, paint_y_origin; int actor_x_origin, actor_y_origin; int paint_x_offset, paint_y_offset; MetaWindowGroup *window_group = META_WINDOW_GROUP (actor); MetaCompScreen *info = meta_screen_get_compositor_data (window_group->screen); /* Normally we expect an actor to be drawn at it's position on the screen. * However, if we're inside the paint of a ClutterClone, that won't be the * case and we need to compensate. We look at the position of the window * group under the current model-view matrix and the position of the actor. * If they are both simply integer translations, then we can compensate * easily, otherwise we give up. * * Possible cleanup: work entirely in paint space - we can compute the * combination of the model-view matrix with the local matrix for each child * actor and get a total transformation for that actor for how we are * painting currently, and never worry about how actors are positioned * on the stage. */ if (!painting_untransformed (window_group, &paint_x_origin, &paint_y_origin) || !meta_actor_is_untransformed (actor, &actor_x_origin, &actor_y_origin)) { CLUTTER_ACTOR_CLASS (meta_window_group_parent_class)->paint (actor); return; } paint_x_offset = paint_x_origin - actor_x_origin; paint_y_offset = paint_y_origin - actor_y_origin; /* We walk the list from top to bottom (opposite of painting order), * and subtract the opaque area of each window out of the visible * region that we pass to the windows below. */ children = clutter_actor_get_children (actor); children = g_list_reverse (children); /* Get the clipped redraw bounds from Clutter so that we can avoid * painting shadows on windows that don't need to be painted in this * frame. In the case of a multihead setup with mismatched monitor * sizes, we could intersect this with an accurate union of the * monitors to avoid painting shadows that are visible only in the * holes. */ stage = clutter_actor_get_stage (actor); clutter_stage_get_redraw_clip_bounds (CLUTTER_STAGE (stage), &visible_rect); visible_region = cairo_region_create_rectangle (&visible_rect); if (info->unredirected_window != NULL) { cairo_rectangle_int_t unredirected_rect; MetaWindow *window = meta_window_actor_get_meta_window (info->unredirected_window); meta_window_get_outer_rect (window, (MetaRectangle *)&unredirected_rect); cairo_region_subtract_rectangle (visible_region, &unredirected_rect); } for (l = children; l; l = l->next) { if (!CLUTTER_ACTOR_IS_VISIBLE (l->data)) continue; if (l->data == info->unredirected_window) continue; /* If an actor has effects applied, then that can change the area * it paints and the opacity, so we no longer can figure out what * portion of the actor is obscured and what portion of the screen * it obscures, so we skip the actor. * * This has a secondary beneficial effect: if a ClutterOffscreenEffect * is applied to an actor, then our clipped redraws interfere with the * caching of the FBO - even if we only need to draw a small portion * of the window right now, ClutterOffscreenEffect may use other portions * of the FBO later. So, skipping actors with effects applied also * prevents these bugs. * * Theoretically, we should check clutter_actor_get_offscreen_redirect() * as well for the same reason, but omitted for simplicity in the * hopes that no-one will do that. */ if (clutter_actor_has_effects (l->data)) continue; if (META_IS_WINDOW_ACTOR (l->data)) { MetaWindowActor *window_actor = l->data; int x, y; if (!meta_actor_is_untransformed (CLUTTER_ACTOR (window_actor), &x, &y)) continue; x += paint_x_offset; y += paint_y_offset; /* Temporarily move to the coordinate system of the actor */ cairo_region_translate (visible_region, - x, - y); meta_window_actor_set_visible_region (window_actor, visible_region); if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (window_actor)) == 0xff) { cairo_region_t *obscured_region = meta_window_actor_get_obscured_region (window_actor); if (obscured_region) cairo_region_subtract (visible_region, obscured_region); } meta_window_actor_set_visible_region_beneath (window_actor, visible_region); cairo_region_translate (visible_region, x, y); } else if (META_IS_BACKGROUND_ACTOR (l->data) || META_IS_BACKGROUND_GROUP (l->data)) { ClutterActor *background_actor = l->data; int x, y; if (!meta_actor_is_untransformed (CLUTTER_ACTOR (background_actor), &x, &y)) continue; x += paint_x_offset; y += paint_y_offset; cairo_region_translate (visible_region, - x, - y); if (META_IS_BACKGROUND_GROUP (background_actor)) meta_background_group_set_visible_region (META_BACKGROUND_GROUP (background_actor), visible_region); else meta_background_actor_set_visible_region (META_BACKGROUND_ACTOR (background_actor), visible_region); cairo_region_translate (visible_region, x, y); } } cairo_region_destroy (visible_region); CLUTTER_ACTOR_CLASS (meta_window_group_parent_class)->paint (actor); /* Now that we are done painting, unset the visible regions (they will * mess up painting clones of our actors) */ for (l = children; l; l = l->next) { if (META_IS_WINDOW_ACTOR (l->data)) { MetaWindowActor *window_actor = l->data; meta_window_actor_reset_visible_regions (window_actor); } else if (META_IS_BACKGROUND_ACTOR (l->data)) { MetaBackgroundActor *background_actor = l->data; meta_background_actor_set_visible_region (background_actor, NULL); } } g_list_free (children); }
static void mnb_toolbar_background_paint_background (MxWidget *self, ClutterActor *background, const ClutterColor *color) { MnbToolbarBackgroundPrivate *priv = TOOLBAR_BACKGROUND_PRIVATE (self); ClutterActor *actor = (ClutterActor *) self; CoglHandle cogl_texture, cogl_material; ClutterActorBox box = { 0, }; gfloat width, height; gfloat tex_width, tex_height; gfloat ex, ey; gfloat tx1, ty1, tx2, ty2; guint8 opacity; /* Copied from MxWidget: * * Default implementation just draws the background * colour and the image on top */ if (color && color->alpha != 0) { ClutterColor bg_color = *color; bg_color.alpha = clutter_actor_get_paint_opacity (actor) * bg_color.alpha / 255; clutter_actor_get_allocation_box (actor, &box); width = box.x2 - box.x1; height = box.y2 - box.y1; cogl_set_source_color4ub (bg_color.red, bg_color.green, bg_color.blue, bg_color.alpha); cogl_rectangle (0, 0, width, height); } /* * Copied from MxTextureFrame */ /* no need to paint stuff if we don't have a texture */ if (G_UNLIKELY (priv->parent_texture == NULL)) return; cogl_texture = clutter_texture_get_cogl_texture (priv->parent_texture); if (cogl_texture == COGL_INVALID_HANDLE) return; cogl_material = clutter_texture_get_cogl_material (priv->parent_texture); if (cogl_material == COGL_INVALID_HANDLE) return; tex_width = cogl_texture_get_width (cogl_texture); tex_height = cogl_texture_get_height (cogl_texture); clutter_actor_get_allocation_box (actor, &box); width = box.x2 - box.x1; height = box.y2 - box.y1; opacity = clutter_actor_get_paint_opacity (actor); /* Paint using the parent texture's material. It should already have the cogl texture set as the first layer */ /* NB: for correct blending we need set a preumultiplied color here: */ cogl_material_set_color4ub (cogl_material, opacity, opacity, opacity, opacity); selector_texture = mnb_toolbar_get_selector_texture (priv->toolbar); cogl_material_set_layer (cogl_material, 1, selector_texture); cogl_material_set_layer_wrap_mode (cogl_material, 1, COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE); if (!cogl_material_set_layer_combine (cogl_material, 1, "RGBA = MODULATE(PREVIOUS,TEXTURE)", &error)) { g_warning (G_STRLOC ": Error setting layer combine blend string: %s", error->message); g_error_free (error); } cogl_set_source (cogl_material); /* simple stretch */ if (priv->left == 0 && priv->right == 0 && priv->top == 0 && priv->bottom == 0) { float spot_width, spot_height; float coords[8] = { 0, 0, 1, 1, 0, 0, 0, 0 }; mnb_toolbar_get_selector_allocation_box (priv->toolbar, &box); spot_width = box.x2 - box.x1; spot_height = box.y2 - box.y1; coords[4] = -(box.x1 / width) * (width / spot_width); coords[5] = -(box.y1 / height) * (height / spot_height); coords[6] = width / spot_width - (box.x1 / width) * (width / spot_width); coords[7] = height / spot_height - (box.y1 / height) * (height / spot_height); cogl_rectangle_with_multitexture_coords (0, 0, width, height, coords, 8); return; } tx1 = priv->left / tex_width; tx2 = (tex_width - priv->right) / tex_width; ty1 = priv->top / tex_height; ty2 = (tex_height - priv->bottom) / tex_height; ex = width - priv->right; if (ex < priv->left) ex = priv->left; ey = height - priv->bottom; if (ey < priv->top) ey = priv->top; { GLfloat rectangles[] = { /* top left corner */ 0, 0, priv->left, priv->top, 0.0, 0.0, tx1, ty1, /* top middle */ priv->left, 0, MAX (priv->left, ex), priv->top, tx1, 0.0, tx2, ty1, /* top right */ ex, 0, MAX (ex + priv->right, width), priv->top, tx2, 0.0, 1.0, ty1, /* mid left */ 0, priv->top, priv->left, ey, 0.0, ty1, tx1, ty2, /* center */ priv->left, priv->top, ex, ey, tx1, ty1, tx2, ty2, /* mid right */ ex, priv->top, MAX (ex + priv->right, width), ey, tx2, ty1, 1.0, ty2, /* bottom left */ 0, ey, priv->left, MAX (ey + priv->bottom, height), 0.0, ty2, tx1, 1.0, /* bottom center */ priv->left, ey, ex, MAX (ey + priv->bottom, height), tx1, ty2, tx2, 1.0, /* bottom right */ ex, ey, MAX (ex + priv->right, width), MAX (ey + priv->bottom, height), tx2, ty2, 1.0, 1.0 }; cogl_rectangles_with_texture_coords (rectangles, 9); } }
static void clutter_deform_effect_paint_target (ClutterOffscreenEffect *effect) { ClutterDeformEffect *self= CLUTTER_DEFORM_EFFECT (effect); ClutterDeformEffectPrivate *priv = self->priv; CoglHandle material; CoglPipeline *pipeline; CoglDepthState depth_state; CoglFramebuffer *fb = cogl_get_draw_framebuffer (); if (priv->is_dirty) { ClutterRect rect; gboolean mapped_buffer; CoglVertexP3T2C4 *verts; ClutterActor *actor; gfloat width, height; guint opacity; gint i, j; actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect)); opacity = clutter_actor_get_paint_opacity (actor); /* if we don't have a target size, fall back to the actor's * allocation, though wrong it might be */ if (clutter_offscreen_effect_get_target_rect (effect, &rect)) { width = clutter_rect_get_width (&rect); height = clutter_rect_get_height (&rect); } else clutter_actor_get_size (actor, &width, &height); /* XXX ideally, the sub-classes should tell us what they * changed in the texture vertices; we then would be able to * avoid resubmitting the same data, if it did not change. for * the time being, we resubmit everything */ verts = cogl_buffer_map (COGL_BUFFER (priv->buffer), COGL_BUFFER_ACCESS_WRITE, COGL_BUFFER_MAP_HINT_DISCARD); /* If the map failed then we'll resort to allocating a temporary buffer */ if (verts == NULL) { mapped_buffer = FALSE; verts = g_malloc (sizeof (*verts) * priv->n_vertices); } else mapped_buffer = TRUE; for (i = 0; i < priv->y_tiles + 1; i++) { for (j = 0; j < priv->x_tiles + 1; j++) { CoglVertexP3T2C4 *vertex_out; CoglTextureVertex vertex; /* CoglTextureVertex isn't an ideal structure to use for this because it contains a CoglColor. The internal layout of CoglColor is mean to be private so Clutter can not pass a pointer to it as a vertex attribute. Also it contains padding so we end up storing more data in the vertex buffer than we need to. Instead we let the application modify a dummy vertex and then copy the details back out to a more well-defined struct */ vertex.tx = (float) j / priv->x_tiles; vertex.ty = (float) i / priv->y_tiles; vertex.x = width * vertex.tx; vertex.y = height * vertex.ty; vertex.z = 0.0f; cogl_color_init_from_4ub (&vertex.color, 255, 255, 255, opacity); clutter_deform_effect_deform_vertex (self, width, height, &vertex); vertex_out = verts + i * (priv->x_tiles + 1) + j; vertex_out->x = vertex.x; vertex_out->y = vertex.y; vertex_out->z = vertex.z; vertex_out->s = vertex.tx; vertex_out->t = vertex.ty; vertex_out->r = cogl_color_get_red_byte (&vertex.color); vertex_out->g = cogl_color_get_green_byte (&vertex.color); vertex_out->b = cogl_color_get_blue_byte (&vertex.color); vertex_out->a = cogl_color_get_alpha_byte (&vertex.color); } } if (mapped_buffer) cogl_buffer_unmap (COGL_BUFFER (priv->buffer)); else { cogl_buffer_set_data (COGL_BUFFER (priv->buffer), 0, /* offset */ verts, sizeof (*verts) * priv->n_vertices); g_free (verts); } priv->is_dirty = FALSE; } material = clutter_offscreen_effect_get_target (effect); pipeline = COGL_PIPELINE (material); /* enable depth testing */ cogl_depth_state_init (&depth_state); cogl_depth_state_set_test_enabled (&depth_state, TRUE); cogl_pipeline_set_depth_state (pipeline, &depth_state, NULL); /* enable backface culling if we have a back material */ if (priv->back_pipeline != NULL) cogl_pipeline_set_cull_face_mode (pipeline, COGL_PIPELINE_CULL_FACE_MODE_BACK); /* draw the front */ if (material != NULL) cogl_framebuffer_draw_primitive (fb, pipeline, priv->primitive); /* draw the back */ if (priv->back_pipeline != NULL) { CoglPipeline *back_pipeline; /* We probably shouldn't be modifying the user's material so instead we make a temporary copy */ back_pipeline = cogl_pipeline_copy (priv->back_pipeline); cogl_pipeline_set_depth_state (back_pipeline, &depth_state, NULL); cogl_pipeline_set_cull_face_mode (back_pipeline, COGL_PIPELINE_CULL_FACE_MODE_FRONT); cogl_framebuffer_draw_primitive (fb, back_pipeline, priv->primitive); cogl_object_unref (back_pipeline); } if (G_UNLIKELY (priv->lines_primitive != NULL)) { CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ()); CoglPipeline *lines_pipeline = cogl_pipeline_new (ctx); cogl_pipeline_set_color4f (lines_pipeline, 1.0, 0, 0, 1.0); cogl_framebuffer_draw_primitive (fb, lines_pipeline, priv->lines_primitive); cogl_object_unref (lines_pipeline); } }
static void clutter_rectangle_paint (ClutterActor *self) { ClutterRectanglePrivate *priv = CLUTTER_RECTANGLE (self)->priv; ClutterGeometry geom; guint8 tmp_alpha; CLUTTER_NOTE (PAINT, "painting rect '%s'", clutter_actor_get_name (self) ? clutter_actor_get_name (self) : "unknown"); clutter_actor_get_allocation_geometry (self, &geom); if (priv->has_border) { /* We paint the border and the content only if the rectangle * is big enough to show them */ if ((priv->border_width * 2) < geom.width && (priv->border_width * 2) < geom.height) { /* compute the composited opacity of the actor taking into * account the opacity of the color set by the user */ tmp_alpha = clutter_actor_get_paint_opacity (self) * priv->border_color.alpha / 255; /* paint the border */ cogl_set_source_color4ub (priv->border_color.red, priv->border_color.green, priv->border_color.blue, tmp_alpha); /* this sucks, but it's the only way to make a border */ cogl_rectangle (priv->border_width, 0, geom.width, priv->border_width); cogl_rectangle (geom.width - priv->border_width, priv->border_width, geom.width, geom.height); cogl_rectangle (0, geom.height - priv->border_width, geom.width - priv->border_width, geom.height); cogl_rectangle (0, 0, priv->border_width, geom.height - priv->border_width); tmp_alpha = clutter_actor_get_paint_opacity (self) * priv->color.alpha / 255; /* now paint the rectangle */ cogl_set_source_color4ub (priv->color.red, priv->color.green, priv->color.blue, tmp_alpha); cogl_rectangle (priv->border_width, priv->border_width, geom.width - priv->border_width, geom.height - priv->border_width); } else { /* Otherwise, we draw a rectangle with the same color * as the border, since we can only fit that into the * allocation. */ tmp_alpha = clutter_actor_get_paint_opacity (self) * priv->border_color.alpha / 255; cogl_set_source_color4ub (priv->border_color.red, priv->border_color.green, priv->border_color.blue, tmp_alpha); cogl_rectangle (0, 0, geom.width, geom.height); } } else { /* compute the composited opacity of the actor taking into * account the opacity of the color set by the user */ tmp_alpha = clutter_actor_get_paint_opacity (self) * priv->color.alpha / 255; cogl_set_source_color4ub (priv->color.red, priv->color.green, priv->color.blue, tmp_alpha); cogl_rectangle (0, 0, geom.width, geom.height); } }
static void meta_window_group_cull_out (MetaWindowGroup *group, ClutterActor *unredirected_window, gboolean has_unredirected_window, cairo_region_t *unobscured_region, cairo_region_t *clip_region) { ClutterActor *actor = CLUTTER_ACTOR (group); ClutterActor *child; ClutterActorIter iter; /* We walk the list from top to bottom (opposite of painting order), * and subtract the opaque area of each window out of the visible * region that we pass to the windows below. */ clutter_actor_iter_init (&iter, actor); while (clutter_actor_iter_prev (&iter, &child)) { if (!CLUTTER_ACTOR_IS_VISIBLE (child)) continue; if (has_unredirected_window && child == unredirected_window) continue; /* If an actor has effects applied, then that can change the area * it paints and the opacity, so we no longer can figure out what * portion of the actor is obscured and what portion of the screen * it obscures, so we skip the actor. * * This has a secondary beneficial effect: if a ClutterOffscreenEffect * is applied to an actor, then our clipped redraws interfere with the * caching of the FBO - even if we only need to draw a small portion * of the window right now, ClutterOffscreenEffect may use other portions * of the FBO later. So, skipping actors with effects applied also * prevents these bugs. * * Theoretically, we should check clutter_actor_get_offscreen_redirect() * as well for the same reason, but omitted for simplicity in the * hopes that no-one will do that. */ if (clutter_actor_has_effects (child)) continue; if (META_IS_WINDOW_ACTOR (child)) { MetaWindowActor *window_actor = META_WINDOW_ACTOR (child); int x, y; if (!meta_actor_is_untransformed (CLUTTER_ACTOR (window_actor), &x, &y)) continue; /* Temporarily move to the coordinate system of the actor */ cairo_region_translate (unobscured_region, - x, - y); cairo_region_translate (clip_region, - x, - y); meta_window_actor_set_unobscured_region (window_actor, unobscured_region); meta_window_actor_set_visible_region (window_actor, clip_region); if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (window_actor)) == 0xff) { cairo_region_t *obscured_region = meta_window_actor_get_obscured_region (window_actor); if (obscured_region) { cairo_region_subtract (unobscured_region, obscured_region); cairo_region_subtract (clip_region, obscured_region); } } meta_window_actor_set_visible_region_beneath (window_actor, clip_region); cairo_region_translate (unobscured_region, x, y); cairo_region_translate (clip_region, x, y); } else if (META_IS_BACKGROUND_ACTOR (child)) { int x, y; if (!meta_actor_is_untransformed (child, &x, &y)) continue; cairo_region_translate (clip_region, - x, - y); meta_background_actor_set_visible_region (META_BACKGROUND_ACTOR (child), clip_region); cairo_region_translate (clip_region, x, y); } } }
static void clutter_rectangle_paint (ClutterActor *self) { ClutterRectangle *rectangle = CLUTTER_RECTANGLE(self); ClutterRectanglePrivate *priv; ClutterGeometry geom; ClutterColor tmp_col; rectangle = CLUTTER_RECTANGLE(self); priv = rectangle->priv; CLUTTER_NOTE (PAINT, "painting rect '%s'", clutter_actor_get_name (self) ? clutter_actor_get_name (self) : "unknown"); clutter_actor_get_allocation_geometry (self, &geom); CLUTTER_NOTE (PAINT, "paint to x1: %i, y1: %i x2: %i, y2: %i " "opacity: %i", geom.x, geom.y, geom.x+geom.width, geom.y+geom.height, clutter_actor_get_opacity (self)); /* parent paint call will have translated us into position so * paint from 0, 0 */ if (priv->has_border) { tmp_col.red = priv->border_color.red; tmp_col.green = priv->border_color.green; tmp_col.blue = priv->border_color.blue; tmp_col.alpha = clutter_actor_get_paint_opacity (self) * priv->border_color.alpha / 255; cogl_color (&tmp_col); /* this sucks, but it's the only way to make a border */ cogl_rectangle (priv->border_width, 0, geom.width - priv->border_width, priv->border_width); cogl_rectangle (geom.width - priv->border_width, priv->border_width, priv->border_width, geom.height - priv->border_width); cogl_rectangle (0, geom.height - priv->border_width, geom.width - priv->border_width, priv->border_width); cogl_rectangle (0, 0, priv->border_width, geom.height - priv->border_width); tmp_col.red = priv->color.red; tmp_col.green = priv->color.green; tmp_col.blue = priv->color.blue; tmp_col.alpha = clutter_actor_get_paint_opacity (self) * priv->color.alpha / 255; cogl_color (&tmp_col); cogl_rectangle (priv->border_width, priv->border_width, geom.width - priv->border_width * 2, geom.height - priv->border_width * 2); } else { tmp_col.red = priv->color.red; tmp_col.green = priv->color.green; tmp_col.blue = priv->color.blue; tmp_col.alpha = clutter_actor_get_paint_opacity (self) * priv->color.alpha / 255; cogl_color (&tmp_col); cogl_rectangle (0, 0, geom.width, geom.height); } }
static void st_drawing_area_paint (ClutterActor *self) { StDrawingArea *area = ST_DRAWING_AREA (self); StDrawingAreaPrivate *priv = area->priv; StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self)); ClutterActorBox allocation_box; ClutterActorBox content_box; int width, height; CoglColor color; guint8 paint_opacity; (CLUTTER_ACTOR_CLASS (st_drawing_area_parent_class))->paint (self); clutter_actor_get_allocation_box (self, &allocation_box); st_theme_node_get_content_box (theme_node, &allocation_box, &content_box); width = (int)(0.5 + content_box.x2 - content_box.x1); height = (int)(0.5 + content_box.y2 - content_box.y1); if (priv->material == COGL_INVALID_HANDLE) priv->material = cogl_material_new (); if (priv->texture != COGL_INVALID_HANDLE && (width != cogl_texture_get_width (priv->texture) || height != cogl_texture_get_height (priv->texture))) { cogl_handle_unref (priv->texture); priv->texture = COGL_INVALID_HANDLE; } if (width > 0 && height > 0) { if (priv->texture == COGL_INVALID_HANDLE) { priv->texture = cogl_texture_new_with_size (width, height, COGL_TEXTURE_NONE, CLUTTER_CAIRO_FORMAT_ARGB32); priv->needs_repaint = TRUE; } if (priv->needs_repaint) { cairo_surface_t *surface; surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); priv->context = cairo_create (surface); priv->in_repaint = TRUE; priv->needs_repaint = FALSE; g_signal_emit ((GObject*)area, st_drawing_area_signals[REPAINT], 0); priv->in_repaint = FALSE; cairo_destroy (priv->context); priv->context = NULL; cogl_texture_set_region (priv->texture, 0, 0, 0, 0, width, height, width, height, CLUTTER_CAIRO_FORMAT_ARGB32, cairo_image_surface_get_stride (surface), cairo_image_surface_get_data (surface)); cairo_surface_destroy (surface); } } cogl_material_set_layer (priv->material, 0, priv->texture); if (priv->texture) { paint_opacity = clutter_actor_get_paint_opacity (self); cogl_color_set_from_4ub (&color, paint_opacity, paint_opacity, paint_opacity, paint_opacity); cogl_material_set_color (priv->material, &color); cogl_set_source (priv->material); cogl_rectangle_with_texture_coords (content_box.x1, content_box.y1, width, height, 0.0f, 0.0f, 1.0f, 1.0f); } }