static GimpLayer * select_layer_by_coords (GimpImage *image, gint x, gint y) { GList *list; g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL); for (list = GIMP_LIST (image->layers)->list; list; list = g_list_next (list)) { GimpLayer *layer = list->data; gint off_x, off_y; gint width, height; if (! gimp_item_get_visible (GIMP_ITEM (layer))) continue; gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); width = gimp_item_width (GIMP_ITEM (layer)); height = gimp_item_height (GIMP_ITEM (layer)); if (off_x <= x && off_y <= y && x < off_x + width && y < off_y + height) { return layer; } } return NULL; }
static GValueArray * selection_combine_invoker (GimpProcedure *procedure, Gimp *gimp, GimpContext *context, GimpProgress *progress, const GValueArray *args, GError **error) { gboolean success = TRUE; GimpChannel *channel; gint32 operation; channel = gimp_value_get_channel (&args->values[0], gimp); operation = g_value_get_enum (&args->values[1]); if (success) { GimpImage *image; gint off_x, off_y; image = gimp_item_get_image (GIMP_ITEM (channel)); gimp_item_offsets (GIMP_ITEM (channel), &off_x, &off_y); gimp_channel_select_channel (gimp_image_get_mask (image), _("Channel to Selection"), channel, off_x, off_y, operation, FALSE, 0.0, 0.0); } return gimp_procedure_get_return_values (procedure, success, error ? *error : NULL); }
static GimpChannel * gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select, GimpDisplay *display) { GimpTool *tool = GIMP_TOOL (region_select); GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool); GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool); GimpDrawable *drawable; gint x, y; drawable = gimp_image_get_active_drawable (display->image); x = region_select->x; y = region_select->y; if (! options->sample_merged) { gint off_x, off_y; gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); x -= off_x; y -= off_y; } return gimp_image_contiguous_region_by_seed (display->image, drawable, options->sample_merged, sel_options->antialias, options->threshold, options->select_transparent, options->select_criterion, x, y); }
static void gimp_image_map_tool_map (GimpImageMapTool *tool) { GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (GIMP_TOOL (tool)->display->shell); GimpItem *item = GIMP_ITEM (tool->drawable); gint x, y; gint w, h; gint off_x, off_y; GeglRectangle visible; GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->map (tool); gimp_display_shell_untransform_viewport (shell, &x, &y, &w, &h); gimp_item_offsets (item, &off_x, &off_y); gimp_rectangle_intersect (x, y, w, h, off_x, off_y, gimp_item_width (item), gimp_item_height (item), &visible.x, &visible.y, &visible.width, &visible.height); visible.x -= off_x; visible.y -= off_y; gimp_image_map_apply (tool->image_map, &visible); }
static void gimp_color_tool_button_press (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpDisplay *display) { GimpColorTool *color_tool = GIMP_COLOR_TOOL (tool); GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell); /* Chain up to activate the tool */ GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state, display); if (! color_tool->enabled) return; if (color_tool->sample_point) { color_tool->moving_sample_point = TRUE; color_tool->sample_point_x = color_tool->sample_point->x; color_tool->sample_point_y = color_tool->sample_point->y; gimp_display_shell_selection_control (shell, GIMP_SELECTION_PAUSE); gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display); gimp_tool_push_status_coords (tool, display, _("Move Sample Point: "), color_tool->sample_point_x, ", ", color_tool->sample_point_y, NULL); } else { gint off_x, off_y; /* Keep the coordinates of the target */ gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y); color_tool->center_x = coords->x - off_x; color_tool->center_y = coords->y - off_y; gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display); gimp_color_tool_pick (color_tool, GIMP_COLOR_PICK_STATE_NEW, coords->x, coords->y); } }
static GObject * gimp_item_prop_undo_constructor (GType type, guint n_params, GObjectConstructParam *params) { GObject *object; GimpItemPropUndo *item_prop_undo; GimpItem *item; object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params); item_prop_undo = GIMP_ITEM_PROP_UNDO (object); item = GIMP_ITEM_UNDO (object)->item; switch (GIMP_UNDO (object)->undo_type) { case GIMP_UNDO_ITEM_RENAME: item_prop_undo->name = g_strdup (gimp_object_get_name (GIMP_OBJECT (item))); break; case GIMP_UNDO_ITEM_DISPLACE: gimp_item_offsets (item, &item_prop_undo->offset_x, &item_prop_undo->offset_y); break; case GIMP_UNDO_ITEM_VISIBILITY: item_prop_undo->visible = gimp_item_get_visible (item); break; case GIMP_UNDO_ITEM_LINKED: item_prop_undo->linked = gimp_item_get_linked (item); break; case GIMP_UNDO_PARASITE_ATTACH: case GIMP_UNDO_PARASITE_REMOVE: g_assert (item_prop_undo->parasite_name != NULL); item_prop_undo->parasite = gimp_parasite_copy (gimp_item_parasite_find (item, item_prop_undo->parasite_name)); break; default: g_assert_not_reached (); } return object; }
void floating_sel_restore (GimpLayer *layer, gint x, gint y, gint w, gint h) { PixelRegion srcPR, destPR; gint offx, offy; gint x1, y1, x2, y2; g_return_if_fail (GIMP_IS_LAYER (layer)); g_return_if_fail (gimp_layer_is_floating_sel (layer)); /* What this function does is "uncover" the specified area in the * drawable that this floating selection obscures. We do this so * that either the floating selection can be removed or it can be * translated */ /* Find the minimum area we need to uncover -- in image space */ gimp_item_offsets (GIMP_ITEM (layer->fs.drawable), &offx, &offy); x1 = MAX (GIMP_ITEM (layer)->offset_x, offx); y1 = MAX (GIMP_ITEM (layer)->offset_y, offy); x2 = MIN (GIMP_ITEM (layer)->offset_x + GIMP_ITEM (layer)->width, offx + gimp_item_width (GIMP_ITEM (layer->fs.drawable))); y2 = MIN (GIMP_ITEM(layer)->offset_y + GIMP_ITEM (layer)->height, offy + gimp_item_height (GIMP_ITEM (layer->fs.drawable))); x1 = CLAMP (x, x1, x2); y1 = CLAMP (y, y1, y2); x2 = CLAMP (x + w, x1, x2); y2 = CLAMP (y + h, y1, y2); if ((x2 - x1) > 0 && (y2 - y1) > 0) { /* Copy the area from the backing store to the drawable */ pixel_region_init (&srcPR, layer->fs.backing_store, (x1 - GIMP_ITEM (layer)->offset_x), (y1 - GIMP_ITEM (layer)->offset_y), (x2 - x1), (y2 - y1), FALSE); pixel_region_init (&destPR, gimp_drawable_get_tiles (layer->fs.drawable), (x1 - offx), (y1 - offy), (x2 - x1), (y2 - y1), TRUE); copy_region (&srcPR, &destPR); } }
/* * Position the dropped item in the middle of the viewport. */ static void gimp_display_shell_dnd_position_item (GimpDisplayShell *shell, GimpItem *item) { gint x, y; gint width, height; gint off_x, off_y; gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height); gimp_item_offsets (item, &off_x, &off_y); off_x = x + (width - gimp_item_width (item)) / 2 - off_x; off_y = y + (height - gimp_item_height (item)) / 2 - off_y; gimp_item_translate (item, off_x, off_y, FALSE); }
void gimp_channel_select_by_color (GimpChannel *channel, GimpDrawable *drawable, gboolean sample_merged, const GimpRGB *color, gint threshold, gboolean select_transparent, GimpSelectCriterion select_criterion, GimpChannelOps op, gboolean antialias, gboolean feather, gdouble feather_radius_x, gdouble feather_radius_y) { GimpItem *item; GimpChannel *add_on; gint add_on_x = 0; gint add_on_y = 0; g_return_if_fail (GIMP_IS_CHANNEL (channel)); g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (channel))); g_return_if_fail (GIMP_IS_DRAWABLE (drawable)); g_return_if_fail (color != NULL); item = GIMP_ITEM (channel); add_on = gimp_image_contiguous_region_by_color (gimp_item_get_image (item), drawable, sample_merged, antialias, threshold, select_transparent, select_criterion, color); if (! sample_merged) gimp_item_offsets (GIMP_ITEM (drawable), &add_on_x, &add_on_y); gimp_channel_select_channel (channel, Q_("command|Select by Color"), add_on, add_on_x, add_on_y, op, feather, feather_radius_x, feather_radius_y); g_object_unref (add_on); }
static GimpChannel * gimp_by_color_select_tool_get_mask (GimpRegionSelectTool *region_select, GimpDisplay *display) { GimpTool *tool = GIMP_TOOL (region_select); GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool); GimpDrawable *drawable; GimpPickable *pickable; GimpRGB color; gint x, y; drawable = gimp_image_get_active_drawable (display->image); x = region_select->x; y = region_select->y; if (! options->sample_merged) { gint off_x, off_y; gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); x -= off_x; y -= off_y; pickable = GIMP_PICKABLE (drawable); } else { pickable = GIMP_PICKABLE (display->image->projection); } gimp_pickable_flush (pickable); if (gimp_pickable_get_color_at (pickable, x, y, &color)) return gimp_image_contiguous_region_by_color (display->image, drawable, options->sample_merged, options->antialias, options->threshold, options->select_transparent, options->select_criterion, &color); else return NULL; }
void gimp_channel_select_alpha (GimpChannel *channel, GimpDrawable *drawable, GimpChannelOps op, gboolean feather, gdouble feather_radius_x, gdouble feather_radius_y) { GimpItem *item; GimpChannel *add_on; gint off_x, off_y; g_return_if_fail (GIMP_IS_CHANNEL (channel)); g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (channel))); g_return_if_fail (GIMP_IS_DRAWABLE (drawable)); item = GIMP_ITEM (channel); if (gimp_drawable_has_alpha (drawable)) { add_on = gimp_channel_new_from_alpha (gimp_item_get_image (item), drawable, NULL, NULL); } else { /* no alpha is equivalent to completely opaque alpha, * so simply select the whole layer's extents. --mitch */ add_on = gimp_channel_new_mask (gimp_item_get_image (item), gimp_item_width (GIMP_ITEM (drawable)), gimp_item_height (GIMP_ITEM (drawable))); gimp_channel_all (add_on, FALSE); } gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); gimp_channel_select_channel (channel, _("Alpha to Selection"), add_on, off_x, off_y, op, feather, feather_radius_x, feather_radius_y); g_object_unref (add_on); }
static gboolean gimp_image_map_tool_pick_color (GimpColorTool *color_tool, gint x, gint y, GimpImageType *sample_type, GimpRGB *color, gint *color_index) { GimpImageMapTool *tool = GIMP_IMAGE_MAP_TOOL (color_tool); gint off_x, off_y; gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y); *sample_type = gimp_drawable_type (tool->drawable); return gimp_pickable_pick_color (GIMP_PICKABLE (tool->image_map), x - off_x, y - off_y, color_tool->options->sample_average, color_tool->options->average_radius, color, color_index); }
static void gimp_source_tool_draw (GimpDrawTool *draw_tool) { GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (draw_tool); GimpSourceOptions *options = GIMP_SOURCE_TOOL_GET_OPTIONS (draw_tool); GimpSourceCore *source; source = GIMP_SOURCE_CORE (GIMP_PAINT_TOOL (draw_tool)->core); if (options->use_source && source->src_drawable && source_tool->src_display) { GimpDisplay *tmp_display = draw_tool->display; gint off_x; gint off_y; draw_tool->display = source_tool->src_display; gimp_item_offsets (GIMP_ITEM (source->src_drawable), &off_x, &off_y); if (source_tool->show_source_outline) gimp_brush_tool_draw_brush (GIMP_BRUSH_TOOL (source_tool), source_tool->src_x + off_x, source_tool->src_y + off_y, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_CROSS, source_tool->src_x + off_x, source_tool->src_y + off_y, TARGET_SIZE, TARGET_SIZE, GTK_ANCHOR_CENTER, FALSE); draw_tool->display = tmp_display; } GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool); }
void floating_sel_composite (GimpLayer *layer, gint x, gint y, gint w, gint h, gboolean push_undo) { GimpImage *image; g_return_if_fail (GIMP_IS_LAYER (layer)); g_return_if_fail (gimp_layer_is_floating_sel (layer)); if (! (image = gimp_item_get_image (GIMP_ITEM (layer)))) return; /* What this function does is composite the specified area of the * drawble with the floating selection. We do this when the image * is constructed, before any other composition takes place. */ /* If this isn't the first composite, * restore the image underneath */ if (! layer->fs.initial) floating_sel_restore (layer, x, y, w, h); else if (gimp_item_get_visible (GIMP_ITEM (layer))) layer->fs.initial = FALSE; /* First restore what's behind the image if necessary, * then check for visibility */ if (gimp_item_get_visible (GIMP_ITEM (layer))) { gint offx, offy; gint x1, y1, x2, y2; /* Find the minimum area we need to composite -- in image space */ gimp_item_offsets (GIMP_ITEM (layer->fs.drawable), &offx, &offy); x1 = MAX (GIMP_ITEM (layer)->offset_x, offx); y1 = MAX (GIMP_ITEM (layer)->offset_y, offy); x2 = MIN (GIMP_ITEM (layer)->offset_x + GIMP_ITEM (layer)->width, offx + gimp_item_width (GIMP_ITEM (layer->fs.drawable))); y2 = MIN (GIMP_ITEM (layer)->offset_y + GIMP_ITEM (layer)->height, offy + gimp_item_height (GIMP_ITEM (layer->fs.drawable))); x1 = CLAMP (x, x1, x2); y1 = CLAMP (y, y1, y2); x2 = CLAMP (x + w, x1, x2); y2 = CLAMP (y + h, y1, y2); if ((x2 - x1) > 0 && (y2 - y1) > 0) { PixelRegion fsPR; GimpLayer *d_layer = NULL; gboolean lock_alpha; /* composite the area from the layer to the drawable */ pixel_region_init (&fsPR, GIMP_DRAWABLE (layer)->tiles, (x1 - GIMP_ITEM (layer)->offset_x), (y1 - GIMP_ITEM (layer)->offset_y), (x2 - x1), (y2 - y1), FALSE); /* a kludge here to prevent the case of the drawable * underneath having lock alpha on, and disallowing * the composited floating selection from being shown */ if (GIMP_IS_LAYER (layer->fs.drawable)) { d_layer = GIMP_LAYER (layer->fs.drawable); if ((lock_alpha = gimp_layer_get_lock_alpha (d_layer))) gimp_layer_set_lock_alpha (d_layer, FALSE, FALSE); } else lock_alpha = FALSE; /* apply the fs with the undo specified by the value * passed to this function */ gimp_drawable_apply_region (layer->fs.drawable, &fsPR, push_undo, NULL, layer->opacity, layer->mode, NULL, (x1 - offx), (y1 - offy)); /* restore lock alpha */ if (lock_alpha) gimp_layer_set_lock_alpha (d_layer, TRUE, FALSE); } } }
void gimp_source_core_motion (GimpSourceCore *source_core, GimpDrawable *drawable, GimpPaintOptions *paint_options) { GimpPaintCore *paint_core = GIMP_PAINT_CORE (source_core); GimpSourceOptions *options = GIMP_SOURCE_OPTIONS (paint_options); GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable)); GimpPickable *src_pickable = NULL; PixelRegion srcPR; gint src_offset_x; gint src_offset_y; TempBuf *paint_area; gint paint_area_offset_x; gint paint_area_offset_y; gint paint_area_width; gint paint_area_height; gdouble opacity; opacity = gimp_paint_options_get_fade (paint_options, image, paint_core->pixel_dist); if (opacity == 0.0) return; src_offset_x = source_core->offset_x; src_offset_y = source_core->offset_y; if (options->use_source) { src_pickable = GIMP_PICKABLE (source_core->src_drawable); if (options->sample_merged) { GimpImage *src_image = gimp_pickable_get_image (src_pickable); gint off_x, off_y; src_pickable = GIMP_PICKABLE (gimp_image_get_projection (src_image)); gimp_item_offsets (GIMP_ITEM (source_core->src_drawable), &off_x, &off_y); src_offset_x += off_x; src_offset_y += off_y; } gimp_pickable_flush (src_pickable); } paint_area = gimp_paint_core_get_paint_area (paint_core, drawable, paint_options); if (! paint_area) return; paint_area_offset_x = 0; paint_area_offset_y = 0; paint_area_width = paint_area->width; paint_area_height = paint_area->height; if (options->use_source && ! GIMP_SOURCE_CORE_GET_CLASS (source_core)->get_source (source_core, drawable, paint_options, src_pickable, src_offset_x, src_offset_y, paint_area, &paint_area_offset_x, &paint_area_offset_y, &paint_area_width, &paint_area_height, &srcPR)) { return; } /* Set the paint area to transparent */ temp_buf_data_clear (paint_area); GIMP_SOURCE_CORE_GET_CLASS (source_core)->motion (source_core, drawable, paint_options, opacity, src_pickable, &srcPR, src_offset_x, src_offset_y, paint_area, paint_area_offset_x, paint_area_offset_y, paint_area_width, paint_area_height); }
static void gimp_region_select_tool_button_release (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpButtonReleaseType release_type, GimpDisplay *display) { GimpRegionSelectTool *region_sel = GIMP_REGION_SELECT_TOOL (tool); GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool); GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool); gimp_tool_pop_status (tool, display); gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool)); gimp_tool_control_halt (tool->control); if (release_type != GIMP_BUTTON_RELEASE_CANCEL) { gint off_x, off_y; if (GIMP_SELECTION_TOOL (tool)->function == SELECTION_ANCHOR) { if (gimp_image_floating_sel (display->image)) { /* If there is a floating selection, anchor it */ floating_sel_anchor (gimp_image_floating_sel (display->image)); } else { /* Otherwise, clear the selection mask */ gimp_channel_clear (gimp_image_get_mask (display->image), NULL, TRUE); } gimp_image_flush (display->image); } else if (region_sel->region_mask) { if (options->sample_merged) { off_x = 0; off_y = 0; } else { GimpDrawable *drawable; drawable = gimp_image_get_active_drawable (display->image); gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); } gimp_channel_select_channel (gimp_image_get_mask (display->image), GIMP_REGION_SELECT_TOOL_GET_CLASS (tool)->undo_desc, region_sel->region_mask, off_x, off_y, sel_options->operation, sel_options->feather, sel_options->feather_radius, sel_options->feather_radius); gimp_image_flush (display->image); } } if (region_sel->region_mask) { g_object_unref (region_sel->region_mask); region_sel->region_mask = NULL; } if (region_sel->segs) { g_free (region_sel->segs); region_sel->segs = NULL; region_sel->num_segs = 0; } /* Restore the original threshold */ g_object_set (options, "threshold", region_sel->saved_threshold, NULL); }
static void gimp_drawable_stroke_scan_convert (GimpDrawable *drawable, GimpStrokeOptions *options, GimpScanConvert *scan_convert) { GimpContext *context = GIMP_CONTEXT (options); GimpImage *image; gdouble width; TileManager *base; TileManager *mask; gint x, y, w, h; gint bytes; gint off_x, off_y; guchar bg[1] = { 0, }; PixelRegion maskPR, basePR; image = gimp_item_get_image (GIMP_ITEM (drawable)); /* must call gimp_channel_is_empty() instead of relying on * gimp_drawable_mask_intersect() because the selection pretends to * be empty while it is being stroked, to prevent masking itself. */ if (gimp_channel_is_empty (gimp_image_get_mask (image))) { x = 0; y = 0; w = gimp_item_width (GIMP_ITEM (drawable)); h = gimp_item_height (GIMP_ITEM (drawable)); } else if (! gimp_drawable_mask_intersect (drawable, &x, &y, &w, &h)) { return; } gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); width = options->width; if (options->unit != GIMP_UNIT_PIXEL) { gimp_scan_convert_set_pixel_ratio (scan_convert, image->yresolution / image->xresolution); width *= (image->yresolution / _gimp_unit_get_factor (image->gimp, options->unit)); } gimp_scan_convert_stroke (scan_convert, width, options->join_style, options->cap_style, options->miter_limit, options->dash_offset, options->dash_info); /* fill a 1-bpp Tilemanager with black, this will describe the shape * of the stroke. */ mask = tile_manager_new (w, h, 1); pixel_region_init (&maskPR, mask, 0, 0, w, h, TRUE); color_region (&maskPR, bg); /* render the stroke into it */ gimp_scan_convert_render (scan_convert, mask, x + off_x, y + off_y, options->antialias); bytes = gimp_drawable_bytes_with_alpha (drawable); base = tile_manager_new (w, h, bytes); pixel_region_init (&basePR, base, 0, 0, w, h, TRUE); pixel_region_init (&maskPR, mask, 0, 0, w, h, FALSE); switch (options->style) { case GIMP_STROKE_STYLE_SOLID: { guchar tmp_col[MAX_CHANNELS] = { 0, }; guchar col[MAX_CHANNELS] = { 0, }; gimp_rgb_get_uchar (&context->foreground, &tmp_col[RED_PIX], &tmp_col[GREEN_PIX], &tmp_col[BLUE_PIX]); gimp_image_transform_color (image, gimp_drawable_type (drawable), col, GIMP_RGB, tmp_col); col[bytes - 1] = OPAQUE_OPACITY; color_region_mask (&basePR, &maskPR, col); } break; case GIMP_STROKE_STYLE_PATTERN: { GimpPattern *pattern; TempBuf *pat_buf; gboolean new_buf; pattern = gimp_context_get_pattern (context); pat_buf = gimp_image_transform_temp_buf (image, gimp_drawable_type (drawable), pattern->mask, &new_buf); pattern_region (&basePR, &maskPR, pat_buf, x, y); if (new_buf) temp_buf_free (pat_buf); } break; } /* Apply to drawable */ pixel_region_init (&basePR, base, 0, 0, w, h, FALSE); gimp_drawable_apply_region (drawable, &basePR, TRUE, _("Render Stroke"), gimp_context_get_opacity (context), gimp_context_get_paint_mode (context), NULL, x, y); tile_manager_unref (mask); tile_manager_unref (base); gimp_drawable_update (drawable, x, y, w, h); }
static void gimp_align_tool_draw (GimpDrawTool *draw_tool) { GimpAlignTool *align_tool = GIMP_ALIGN_TOOL (draw_tool); GList *list; gint x, y, w, h; /* draw rubber-band rectangle */ x = MIN (align_tool->x1, align_tool->x0); y = MIN (align_tool->y1, align_tool->y0); w = MAX (align_tool->x1, align_tool->x0) - x; h = MAX (align_tool->y1, align_tool->y0) - y; gimp_draw_tool_draw_rectangle (draw_tool, FALSE, x, y,w, h, FALSE); for (list = g_list_first (align_tool->selected_objects); list; list = g_list_next (list)) { if (GIMP_IS_ITEM (list->data)) { GimpItem *item = GIMP_ITEM (list->data); if (GIMP_IS_VECTORS (list->data)) { gdouble x1_f, y1_f, x2_f, y2_f; gimp_vectors_bounds (GIMP_VECTORS (item), &x1_f, &y1_f, &x2_f, &y2_f); x = ROUND (x1_f); y = ROUND (y1_f); w = ROUND (x2_f - x1_f); h = ROUND (y2_f - y1_f); } else { gimp_item_offsets (item, &x, &y); w = gimp_item_width (item); h = gimp_item_height (item); } gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x, y, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_NORTH_WEST, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x + w, y, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_NORTH_EAST, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x, y + h, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_SOUTH_WEST, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x + w, y + h, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_SOUTH_EAST, FALSE); } else if (GIMP_IS_GUIDE (list->data)) { GimpGuide *guide = GIMP_GUIDE (list->data); GimpImage *image = GIMP_TOOL (draw_tool)->display->image; gint x, y; gint w, h; switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_VERTICAL: x = gimp_guide_get_position (guide); h = gimp_image_get_height (image); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x, h, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_SOUTH, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, x, 0, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_NORTH, FALSE); break; case GIMP_ORIENTATION_HORIZONTAL: y = gimp_guide_get_position (guide); w = gimp_image_get_width (image); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, w, y, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_EAST, FALSE); gimp_draw_tool_draw_handle (draw_tool, GIMP_HANDLE_FILLED_SQUARE, 0, y, MARKER_WIDTH, MARKER_WIDTH, GTK_ANCHOR_WEST, FALSE); break; default: break; } } } }
const BoundSeg * floating_sel_boundary (GimpLayer *layer, gint *n_segs) { PixelRegion bPR; gint i; g_return_val_if_fail (GIMP_IS_LAYER (layer), NULL); g_return_val_if_fail (gimp_layer_is_floating_sel (layer), NULL); g_return_val_if_fail (n_segs != NULL, NULL); if (layer->fs.boundary_known == FALSE) { gint width, height; gint off_x, off_y; width = gimp_item_width (GIMP_ITEM (layer)); height = gimp_item_height (GIMP_ITEM (layer)); gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); if (layer->fs.segs) g_free (layer->fs.segs); if (gimp_drawable_has_alpha (GIMP_DRAWABLE (layer))) { /* find the segments */ pixel_region_init (&bPR, gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)), 0, 0, width, height, FALSE); layer->fs.segs = boundary_find (&bPR, BOUNDARY_WITHIN_BOUNDS, 0, 0, width, height, BOUNDARY_HALF_WAY, &layer->fs.num_segs); /* offset the segments */ for (i = 0; i < layer->fs.num_segs; i++) { layer->fs.segs[i].x1 += off_x; layer->fs.segs[i].y1 += off_y; layer->fs.segs[i].x2 += off_x; layer->fs.segs[i].y2 += off_y; } } else { layer->fs.num_segs = 4; layer->fs.segs = g_new0 (BoundSeg, 4); /* top */ layer->fs.segs[0].x1 = off_x; layer->fs.segs[0].y1 = off_y; layer->fs.segs[0].x2 = off_x + width; layer->fs.segs[0].y2 = off_y; /* left */ layer->fs.segs[1].x1 = off_x; layer->fs.segs[1].y1 = off_y; layer->fs.segs[1].x2 = off_x; layer->fs.segs[1].y2 = off_y + height; /* right */ layer->fs.segs[2].x1 = off_x + width; layer->fs.segs[2].y1 = off_y; layer->fs.segs[2].x2 = off_x + width; layer->fs.segs[2].y2 = off_y + height; /* bottom */ layer->fs.segs[3].x1 = off_x; layer->fs.segs[3].y1 = off_y + height; layer->fs.segs[3].x2 = off_x + width; layer->fs.segs[3].y2 = off_y + height; } layer->fs.boundary_known = TRUE; } *n_segs = layer->fs.num_segs; return layer->fs.segs; }
void gimp_image_crop (GimpImage *image, GimpContext *context, gint x1, gint y1, gint x2, gint y2, gboolean active_layer_only, gboolean crop_layers) { gint width, height; gint previous_width, previous_height; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); previous_width = gimp_image_get_width (image); previous_height = gimp_image_get_height (image); width = x2 - x1; height = y2 - y1; /* Make sure new width and height are non-zero */ if (width < 1 || height < 1) return; gimp_set_busy (image->gimp); if (active_layer_only) { GimpLayer *layer; gint off_x, off_y; layer = gimp_image_get_active_layer (image); gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); off_x -= x1; off_y -= y1; gimp_item_resize (GIMP_ITEM (layer), context, width, height, off_x, off_y); } else { GimpItem *item; GList *list; g_object_freeze_notify (G_OBJECT (image)); if (crop_layers) gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CROP, C_("command", "Crop Image")); else gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE, _("Resize Image")); /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, x1, y1, width, height); /* Set the new width and height */ g_object_set (image, "width", width, "height", height, NULL); /* Resize all channels */ for (list = GIMP_LIST (image->channels)->list; list; list = g_list_next (list)) { item = (GimpItem *) list->data; gimp_item_resize (item, context, width, height, -x1, -y1); } /* Resize all vectors */ for (list = GIMP_LIST (image->vectors)->list; list; list = g_list_next (list)) { item = (GimpItem *) list->data; gimp_item_resize (item, context, width, height, -x1, -y1); } /* Don't forget the selection mask! */ gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context, width, height, -x1, -y1); /* crop all layers */ list = GIMP_LIST (image->layers)->list; while (list) { item = (GimpItem *) list->data; list = g_list_next (list); gimp_item_translate (item, -x1, -y1, TRUE); if (crop_layers) { gint off_x, off_y; gint lx1, ly1, lx2, ly2; gimp_item_offsets (item, &off_x, &off_y); lx1 = CLAMP (off_x, 0, gimp_image_get_width (image)); ly1 = CLAMP (off_y, 0, gimp_image_get_height (image)); lx2 = CLAMP (gimp_item_width (item) + off_x, 0, gimp_image_get_width (image)); ly2 = CLAMP (gimp_item_height (item) + off_y, 0, gimp_image_get_height (image)); width = lx2 - lx1; height = ly2 - ly1; if (width > 0 && height > 0) gimp_item_resize (item, context, width, height, -(lx1 - off_x), -(ly1 - off_y)); else gimp_image_remove_layer (image, GIMP_LAYER (item)); } } /* Reposition or remove all guides */ list = gimp_image_get_guides (image); while (list) { GimpGuide *guide = list->data; gboolean remove_guide = FALSE; gint position = gimp_guide_get_position (guide); list = g_list_next (list); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: if ((position < y1) || (position > y2)) remove_guide = TRUE; else position -= y1; break; case GIMP_ORIENTATION_VERTICAL: if ((position < x1) || (position > x2)) remove_guide = TRUE; else position -= x1; break; default: break; } if (remove_guide) gimp_image_remove_guide (image, guide, TRUE); else if (position != gimp_guide_get_position (guide)) gimp_image_move_guide (image, guide, position, TRUE); } /* Reposition or remove sample points */ list = gimp_image_get_sample_points (image); while (list) { GimpSamplePoint *sample_point = list->data; gboolean remove_sample_point = FALSE; gint new_x = sample_point->x; gint new_y = sample_point->y; list = g_list_next (list); new_y -= y1; if ((sample_point->y < y1) || (sample_point->y > y2)) remove_sample_point = TRUE; new_x -= x1; if ((sample_point->x < x1) || (sample_point->x > x2)) remove_sample_point = TRUE; if (remove_sample_point) gimp_image_remove_sample_point (image, sample_point, TRUE); else if (new_x != sample_point->x || new_y != sample_point->y) gimp_image_move_sample_point (image, sample_point, new_x, new_y, TRUE); } gimp_image_undo_group_end (image); gimp_image_update (image, 0, 0, gimp_image_get_width (image), gimp_image_get_height (image)); gimp_image_size_changed_detailed (image, -x1, -y1, previous_width, previous_height); g_object_thaw_notify (G_OBJECT (image)); } gimp_unset_busy (image->gimp); }
void floating_sel_store (GimpLayer *layer, gint x, gint y, gint w, gint h) { PixelRegion srcPR, destPR; gint offx, offy; gint x1, y1, x2, y2; g_return_if_fail (GIMP_IS_LAYER (layer)); g_return_if_fail (gimp_layer_is_floating_sel (layer)); /* Check the backing store & make sure it has the correct dimensions */ if ((tile_manager_width (layer->fs.backing_store) != gimp_item_width (GIMP_ITEM(layer))) || (tile_manager_height (layer->fs.backing_store) != gimp_item_height (GIMP_ITEM(layer))) || (tile_manager_bpp (layer->fs.backing_store) != gimp_drawable_bytes (layer->fs.drawable))) { /* free the backing store and allocate anew */ tile_manager_unref (layer->fs.backing_store); layer->fs.backing_store = tile_manager_new (GIMP_ITEM (layer)->width, GIMP_ITEM (layer)->height, gimp_drawable_bytes (layer->fs.drawable)); } /* What this function does is save the specified area of the * drawable that this floating selection obscures. We do this so * that it will be possible to subsequently restore the drawable's area */ gimp_item_offsets (GIMP_ITEM (layer->fs.drawable), &offx, &offy); /* Find the minimum area we need to uncover -- in image space */ x1 = MAX (GIMP_ITEM (layer)->offset_x, offx); y1 = MAX (GIMP_ITEM (layer)->offset_y, offy); x2 = MIN (GIMP_ITEM (layer)->offset_x + GIMP_ITEM (layer)->width, offx + gimp_item_width (GIMP_ITEM (layer->fs.drawable))); y2 = MIN (GIMP_ITEM (layer)->offset_y + GIMP_ITEM (layer)->height, offy + gimp_item_height (GIMP_ITEM (layer->fs.drawable))); x1 = CLAMP (x, x1, x2); y1 = CLAMP (y, y1, y2); x2 = CLAMP (x + w, x1, x2); y2 = CLAMP (y + h, y1, y2); if ((x2 - x1) > 0 && (y2 - y1) > 0) { /* Copy the area from the drawable to the backing store */ pixel_region_init (&srcPR, gimp_drawable_get_tiles (layer->fs.drawable), (x1 - offx), (y1 - offy), (x2 - x1), (y2 - y1), FALSE); pixel_region_init (&destPR, layer->fs.backing_store, (x1 - GIMP_ITEM (layer)->offset_x), (y1 - GIMP_ITEM (layer)->offset_y), (x2 - x1), (y2 - y1), TRUE); copy_region (&srcPR, &destPR); } }
/* * some rather complex logic here. If the user clicks without modifiers, * then we start a new list, and use the first object in it as reference. * If the user clicks using Shift, or draws a rubber-band box, then * we add objects to the list, but do not specify which one should * be used as reference. */ static void gimp_align_tool_button_release (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpButtonReleaseType release_type, GimpDisplay *display) { GimpAlignTool *align_tool = GIMP_ALIGN_TOOL (tool); GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell); GObject *object = NULL; GimpImage *image = display->image; gint i; gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); if (release_type == GIMP_BUTTON_RELEASE_CANCEL) { align_tool->x1 = align_tool->x0; align_tool->y1 = align_tool->y0; gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); return; } if (! (state & GDK_SHIFT_MASK)) /* start a new list */ { clear_all_selected_objects (align_tool); align_tool->set_reference = FALSE; } /* if mouse has moved less than EPSILON pixels since button press, select the nearest thing, otherwise make a rubber-band rectangle */ if (hypot (coords->x - align_tool->x0, coords->y - align_tool->y0) < EPSILON) { GimpVectors *vectors; GimpGuide *guide; GimpLayer *layer; gint snap_distance; snap_distance = GIMP_DISPLAY_CONFIG (display->image->gimp->config)->snap_distance; if (gimp_draw_tool_on_vectors (GIMP_DRAW_TOOL (tool), display, coords, snap_distance, snap_distance, NULL, NULL, NULL, NULL, NULL, &vectors)) { object = G_OBJECT (vectors); } else if (gimp_display_shell_get_show_guides (shell) && (guide = gimp_image_find_guide (display->image, coords->x, coords->y, FUNSCALEX (shell, snap_distance), FUNSCALEY (shell, snap_distance)))) { object = G_OBJECT (guide); } else { if ((layer = select_layer_by_coords (display->image, coords->x, coords->y))) { object = G_OBJECT (layer); } } if (object) { if (! g_list_find (align_tool->selected_objects, object)) { align_tool->selected_objects = g_list_append (align_tool->selected_objects, object); g_signal_connect (object, "removed", G_CALLBACK (clear_selected_object), (gpointer) align_tool); /* if an object has been selected using unmodified click, * it should be used as the reference */ if (! (state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) align_tool->set_reference = TRUE; } } } else /* FIXME: look for vectors too */ { gint X0 = MIN (coords->x, align_tool->x0); gint X1 = MAX (coords->x, align_tool->x0); gint Y0 = MIN (coords->y, align_tool->y0); gint Y1 = MAX (coords->y, align_tool->y0); GList *list; for (list = GIMP_LIST (image->layers)->list; list; list = g_list_next (list)) { GimpLayer *layer = list->data; gint x0, y0, x1, y1; if (! gimp_item_get_visible (GIMP_ITEM (layer))) continue; gimp_item_offsets (GIMP_ITEM (layer), &x0, &y0); x1 = x0 + gimp_item_width (GIMP_ITEM (layer)); y1 = y0 + gimp_item_height (GIMP_ITEM (layer)); if (x0 < X0 || y0 < Y0 || x1 > X1 || y1 > Y1) continue; if (g_list_find (align_tool->selected_objects, layer)) continue; align_tool->selected_objects = g_list_append (align_tool->selected_objects, layer); g_signal_connect (layer, "removed", G_CALLBACK (clear_selected_object), (gpointer) align_tool); } } for (i = 0; i < ALIGN_TOOL_NUM_BUTTONS; i++) gtk_widget_set_sensitive (align_tool->button[i], (align_tool->selected_objects != NULL)); align_tool->x1 = align_tool->x0; align_tool->y1 = align_tool->y0; gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); }
static GimpLayer * gimp_image_merge_layers (GimpImage *image, GSList *merge_list, GimpContext *context, GimpMergeType merge_type, const gchar *undo_desc) { GList *list; GSList *reverse_list = NULL; PixelRegion src1PR, src2PR, maskPR; PixelRegion *mask; GimpLayer *merge_layer; GimpLayer *layer; GimpLayer *bottom_layer; GimpImageType type; gint count; gint x1, y1, x2, y2; gint x3, y3, x4, y4; CombinationMode operation; gint position; gboolean active[MAX_CHANNELS] = { TRUE, TRUE, TRUE, TRUE }; gint off_x, off_y; gchar *name; g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL); g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL); layer = NULL; type = GIMP_RGBA_IMAGE; x1 = y1 = 0; x2 = y2 = 0; bottom_layer = NULL; /* Get the layer extents */ count = 0; while (merge_list) { layer = merge_list->data; gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); switch (merge_type) { case GIMP_EXPAND_AS_NECESSARY: case GIMP_CLIP_TO_IMAGE: if (! count) { x1 = off_x; y1 = off_y; x2 = off_x + gimp_item_width (GIMP_ITEM (layer)); y2 = off_y + gimp_item_height (GIMP_ITEM (layer)); } else { if (off_x < x1) x1 = off_x; if (off_y < y1) y1 = off_y; if ((off_x + gimp_item_width (GIMP_ITEM (layer))) > x2) x2 = (off_x + gimp_item_width (GIMP_ITEM (layer))); if ((off_y + gimp_item_height (GIMP_ITEM (layer))) > y2) y2 = (off_y + gimp_item_height (GIMP_ITEM (layer))); } if (merge_type == GIMP_CLIP_TO_IMAGE) { x1 = CLAMP (x1, 0, gimp_image_get_width (image)); y1 = CLAMP (y1, 0, gimp_image_get_height (image)); x2 = CLAMP (x2, 0, gimp_image_get_width (image)); y2 = CLAMP (y2, 0, gimp_image_get_height (image)); } break; case GIMP_CLIP_TO_BOTTOM_LAYER: if (merge_list->next == NULL) { x1 = off_x; y1 = off_y; x2 = off_x + gimp_item_width (GIMP_ITEM (layer)); y2 = off_y + gimp_item_height (GIMP_ITEM (layer)); } break; case GIMP_FLATTEN_IMAGE: if (merge_list->next == NULL) { x1 = 0; y1 = 0; x2 = gimp_image_get_width (image); y2 = gimp_image_get_height (image); } break; } count ++; reverse_list = g_slist_prepend (reverse_list, layer); merge_list = g_slist_next (merge_list); } if ((x2 - x1) == 0 || (y2 - y1) == 0) return NULL; /* Start a merge undo group. */ gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE, undo_desc); name = g_strdup (gimp_object_get_name (GIMP_OBJECT (layer))); if (merge_type == GIMP_FLATTEN_IMAGE || gimp_drawable_type (GIMP_DRAWABLE (layer)) == GIMP_INDEXED_IMAGE) { guchar bg[4] = { 0, 0, 0, 0 }; type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (image)); merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1), type, gimp_object_get_name (GIMP_OBJECT (layer)), GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE); if (! merge_layer) { g_warning ("%s: could not allocate merge layer.", G_STRFUNC); return NULL; } GIMP_ITEM (merge_layer)->offset_x = x1; GIMP_ITEM (merge_layer)->offset_y = y1; /* get the background for compositing */ gimp_image_get_background (image, context, gimp_drawable_type (GIMP_DRAWABLE (merge_layer)), bg); /* init the pixel region */ pixel_region_init (&src1PR, gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)), 0, 0, (x2 - x1), (y2 - y1), TRUE); /* set the region to the background color */ color_region (&src1PR, bg); position = 0; } else { /* The final merged layer inherits the name of the bottom most layer * and the resulting layer has an alpha channel whether or not the * original did. Opacity is set to 100% and the MODE is set to normal. */ merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1), gimp_drawable_type_with_alpha (GIMP_DRAWABLE (layer)), "merged layer", GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE); if (!merge_layer) { g_warning ("%s: could not allocate merge layer", G_STRFUNC); return NULL; } GIMP_ITEM (merge_layer)->offset_x = x1; GIMP_ITEM (merge_layer)->offset_y = y1; /* clear the layer */ pixel_region_init (&src1PR, gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)), 0, 0, (x2 - x1), (y2 - y1), TRUE); clear_region (&src1PR); /* Find the index in the layer list of the bottom layer--we need this * in order to add the final, merged layer to the layer list correctly */ layer = reverse_list->data; position = gimp_container_num_children (image->layers) - gimp_container_get_child_index (image->layers, GIMP_OBJECT (layer)); } bottom_layer = layer; /* Copy the tattoo and parasites of the bottom layer to the new layer */ gimp_item_set_tattoo (GIMP_ITEM (merge_layer), gimp_item_get_tattoo (GIMP_ITEM (bottom_layer))); g_object_unref (GIMP_ITEM (merge_layer)->parasites); GIMP_ITEM (merge_layer)->parasites = gimp_parasite_list_copy (GIMP_ITEM (bottom_layer)->parasites); while (reverse_list) { GimpLayerModeEffects mode; layer = reverse_list->data; /* determine what sort of operation is being attempted and * if it's actually legal... */ operation = gimp_image_merge_layers_get_operation (merge_layer, layer); if (operation == -1) { gimp_layer_add_alpha (layer); /* try again ... */ operation = gimp_image_merge_layers_get_operation (merge_layer, layer); } if (operation == -1) { g_warning ("%s: attempting to merge incompatible layers.", G_STRFUNC); return NULL; } gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); x3 = CLAMP (off_x, x1, x2); y3 = CLAMP (off_y, y1, y2); x4 = CLAMP (off_x + gimp_item_width (GIMP_ITEM (layer)), x1, x2); y4 = CLAMP (off_y + gimp_item_height (GIMP_ITEM (layer)), y1, y2); /* configure the pixel regions */ pixel_region_init (&src1PR, gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)), (x3 - x1), (y3 - y1), (x4 - x3), (y4 - y3), TRUE); pixel_region_init (&src2PR, gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)), (x3 - off_x), (y3 - off_y), (x4 - x3), (y4 - y3), FALSE); if (gimp_layer_get_mask (layer) && gimp_layer_mask_get_apply (layer->mask)) { TileManager *tiles; tiles = gimp_drawable_get_tiles (GIMP_DRAWABLE (layer->mask)); pixel_region_init (&maskPR, tiles, (x3 - off_x), (y3 - off_y), (x4 - x3), (y4 - y3), FALSE); mask = &maskPR; } else { mask = NULL; } /* DISSOLVE_MODE is special since it is the only mode that does not * work on the projection with the lower layer, but only locally on * the layers alpha channel. */ mode = gimp_layer_get_mode (layer); if (layer == bottom_layer && mode != GIMP_DISSOLVE_MODE) mode = GIMP_NORMAL_MODE; combine_regions (&src1PR, &src2PR, &src1PR, mask, NULL, gimp_layer_get_opacity (layer) * 255.999, mode, active, operation); gimp_image_remove_layer (image, layer); reverse_list = g_slist_next (reverse_list); } g_slist_free (reverse_list); /* if the type is flatten, remove all the remaining layers */ if (merge_type == GIMP_FLATTEN_IMAGE) { list = GIMP_LIST (image->layers)->list; while (list) { layer = list->data; list = g_list_next (list); gimp_image_remove_layer (image, layer); } gimp_image_add_layer (image, merge_layer, position); } else { /* Add the layer to the image */ gimp_image_add_layer (image, merge_layer, gimp_container_num_children (image->layers) - position + 1); } /* set the name after the original layers have been removed so we * don't end up with #2 appended to the name */ gimp_object_take_name (GIMP_OBJECT (merge_layer), name); gimp_item_set_visible (GIMP_ITEM (merge_layer), TRUE, TRUE); /* End the merge undo group */ gimp_image_undo_group_end (image); gimp_drawable_update (GIMP_DRAWABLE (merge_layer), 0, 0, gimp_item_width (GIMP_ITEM (merge_layer)), gimp_item_height (GIMP_ITEM (merge_layer))); return merge_layer; }
static void gimp_color_tool_motion (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpDisplay *display) { GimpColorTool *color_tool = GIMP_COLOR_TOOL (tool); GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell); if (! color_tool->enabled) return; if (color_tool->moving_sample_point) { gint tx, ty; gboolean delete_point = FALSE; gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); gimp_display_shell_transform_xy (shell, coords->x, coords->y, &tx, &ty, FALSE); if (tx < 0 || tx > shell->disp_width || ty < 0 || ty > shell->disp_height) { color_tool->sample_point_x = -1; color_tool->sample_point_y = -1; delete_point = TRUE; } else { gint x, y, width, height; color_tool->sample_point_x = floor (coords->x); color_tool->sample_point_y = floor (coords->y); gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height); if ((color_tool->sample_point_x < x || color_tool->sample_point_x > (x + width - 1) || color_tool->sample_point_y < y || color_tool->sample_point_y > (y + height - 1))) { delete_point = TRUE; } } gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); gimp_tool_pop_status (tool, display); if (delete_point) { gimp_tool_push_status (tool, display, color_tool->sample_point ? _("Remove Sample Point") : _("Cancel Sample Point")); } else { gimp_tool_push_status_coords (tool, display, color_tool->sample_point ? _("Move Sample Point: ") : _("Add Sample Point: "), color_tool->sample_point_x, ", ", color_tool->sample_point_y, NULL); } } else { gint off_x, off_y; gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y); color_tool->center_x = coords->x - off_x; color_tool->center_y = coords->y - off_y; gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); gimp_color_tool_pick (color_tool, GIMP_COLOR_PICK_STATE_UPDATE, coords->x, coords->y); } }
static void gimp_item_prop_undo_pop (GimpUndo *undo, GimpUndoMode undo_mode, GimpUndoAccumulator *accum) { GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo); GimpItem *item = GIMP_ITEM_UNDO (undo)->item; GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); switch (undo->undo_type) { case GIMP_UNDO_ITEM_RENAME: { gchar *name; name = g_strdup (gimp_object_get_name (GIMP_OBJECT (item))); gimp_object_take_name (GIMP_OBJECT (item), item_prop_undo->name); item_prop_undo->name = name; } break; case GIMP_UNDO_ITEM_DISPLACE: { gint offset_x; gint offset_y; gimp_item_offsets (item, &offset_x, &offset_y); gimp_item_translate (item, item_prop_undo->offset_x - offset_x, item_prop_undo->offset_y - offset_y, FALSE); item_prop_undo->offset_x = offset_x; item_prop_undo->offset_y = offset_y; } break; case GIMP_UNDO_ITEM_VISIBILITY: { gboolean visible; visible = gimp_item_get_visible (item); gimp_item_set_visible (item, item_prop_undo->visible, FALSE); item_prop_undo->visible = visible; } break; case GIMP_UNDO_ITEM_LINKED: { gboolean linked; linked = gimp_item_get_linked (item); gimp_item_set_linked (item, item_prop_undo->linked, FALSE); item_prop_undo->linked = linked; } break; case GIMP_UNDO_PARASITE_ATTACH: case GIMP_UNDO_PARASITE_REMOVE: { GimpParasite *parasite; parasite = item_prop_undo->parasite; item_prop_undo->parasite = gimp_parasite_copy (gimp_item_parasite_find (item, item_prop_undo->parasite_name)); if (parasite) gimp_parasite_list_add (item->parasites, parasite); else gimp_parasite_list_remove (item->parasites, item_prop_undo->parasite_name); if (parasite) gimp_parasite_free (parasite); } break; default: g_assert_not_reached (); } }
void gimp_image_resize_with_layers (GimpImage *image, GimpContext *context, gint new_width, gint new_height, gint offset_x, gint offset_y, GimpItemSet layer_set, GimpProgress *progress) { GList *list; GList *resize_layers; gdouble progress_max; gdouble progress_current = 1.0; gint old_width, old_height; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); g_return_if_fail (new_width > 0 && new_height > 0); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); gimp_set_busy (image->gimp); progress_max = (image->channels->num_children + image->layers->num_children + image->vectors->num_children + 1 /* selection */); g_object_freeze_notify (G_OBJECT (image)); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE, _("Resize Image")); resize_layers = gimp_image_item_list_get_list (image, NULL, GIMP_ITEM_TYPE_LAYERS, layer_set); old_width = gimp_image_get_width (image); old_height = gimp_image_get_height (image); /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, -offset_x, -offset_y, new_width, new_height); /* Set the new width and height */ g_object_set (image, "width", new_width, "height", new_height, NULL); /* Resize all channels */ for (list = GIMP_LIST (image->channels)->list; list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Resize all vectors */ for (list = GIMP_LIST (image->vectors)->list; list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Don't forget the selection mask! */ gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); /* Reposition all layers */ for (list = GIMP_LIST (image->layers)->list; list; list = g_list_next (list)) { GimpItem *item = list->data; gint old_offset_x; gint old_offset_y; gimp_item_offsets (item, &old_offset_x, &old_offset_y); gimp_item_translate (item, offset_x, offset_y, TRUE); if (g_list_find (resize_layers, item)) gimp_item_resize (item, context, new_width, new_height, offset_x + old_offset_x, offset_y + old_offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } g_list_free (resize_layers); /* Reposition or remove all guides */ for (list = gimp_image_get_guides (image); list; list = g_list_next (list)) { GimpGuide *guide = list->data; gboolean remove_guide = FALSE; gint new_position = gimp_guide_get_position (guide); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: new_position += offset_y; if (new_position < 0 || new_position > new_height) remove_guide = TRUE; break; case GIMP_ORIENTATION_VERTICAL: new_position += offset_x; if (new_position < 0 || new_position > new_width) remove_guide = TRUE; break; default: break; } if (remove_guide) gimp_image_remove_guide (image, guide, TRUE); else if (new_position != gimp_guide_get_position (guide)) gimp_image_move_guide (image, guide, new_position, TRUE); } /* Reposition or remove sample points */ for (list = gimp_image_get_sample_points (image); list; list = g_list_next (list)) { GimpSamplePoint *sample_point = list->data; gboolean remove_sample_point = FALSE; gint new_x = sample_point->x; gint new_y = sample_point->y; new_y += offset_y; if ((sample_point->y < 0) || (sample_point->y > new_height)) remove_sample_point = TRUE; new_x += offset_x; if ((sample_point->x < 0) || (sample_point->x > new_width)) remove_sample_point = TRUE; if (remove_sample_point) gimp_image_remove_sample_point (image, sample_point, TRUE); else if (new_x != sample_point->x || new_y != sample_point->y) gimp_image_move_sample_point (image, sample_point, new_x, new_y, TRUE); } gimp_image_undo_group_end (image); gimp_image_size_changed_detailed (image, offset_x, offset_y, old_width, old_height); g_object_thaw_notify (G_OBJECT (image)); gimp_unset_busy (image->gimp); }
void gimp_drawable_bucket_fill_full (GimpDrawable *drawable, GimpBucketFillMode fill_mode, gint paint_mode, gdouble opacity, gboolean do_seed_fill, gboolean fill_transparent, GimpSelectCriterion fill_criterion, gdouble threshold, gboolean sample_merged, gdouble x, gdouble y, const GimpRGB *color, GimpPattern *pattern) { GimpImage *image; TileManager *buf_tiles; PixelRegion bufPR, maskPR; GimpChannel *mask = NULL; gint bytes; gint x1, y1, x2, y2; guchar col[MAX_CHANNELS]; TempBuf *pat_buf = NULL; gboolean new_buf = FALSE; gboolean selection; g_return_if_fail (GIMP_IS_DRAWABLE (drawable)); g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable))); g_return_if_fail (fill_mode != GIMP_PATTERN_BUCKET_FILL || GIMP_IS_PATTERN (pattern)); g_return_if_fail (fill_mode == GIMP_PATTERN_BUCKET_FILL || color != NULL); image = gimp_item_get_image (GIMP_ITEM (drawable)); bytes = gimp_drawable_bytes (drawable); selection = gimp_drawable_mask_bounds (drawable, &x1, &y1, &x2, &y2); if ((x1 == x2) || (y1 == y2)) return; if (fill_mode == GIMP_FG_BUCKET_FILL || fill_mode == GIMP_BG_BUCKET_FILL) { guchar tmp_col[MAX_CHANNELS]; gimp_rgb_get_uchar (color, &tmp_col[RED_PIX], &tmp_col[GREEN_PIX], &tmp_col[BLUE_PIX]); gimp_image_transform_color (image, gimp_drawable_type (drawable), col, GIMP_RGB, tmp_col); col[gimp_drawable_bytes_with_alpha (drawable) - 1] = OPAQUE_OPACITY; } else if (fill_mode == GIMP_PATTERN_BUCKET_FILL) { pat_buf = gimp_image_transform_temp_buf (image, gimp_drawable_type (drawable), pattern->mask, &new_buf); } else { g_warning ("%s: invalid fill_mode passed", G_STRFUNC); return; } gimp_set_busy (image->gimp); /* Do a seed bucket fill...To do this, calculate a new * contiguous region. If there is a selection, calculate the * intersection of this region with the existing selection. */ if (do_seed_fill) { mask = gimp_image_contiguous_region_by_seed (image, drawable, sample_merged, TRUE, (gint) threshold, fill_transparent, fill_criterion, (gint) x, (gint) y); if (selection) { gint off_x = 0; gint off_y = 0; if (! sample_merged) gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y); gimp_channel_combine_mask (mask, gimp_image_get_mask (image), GIMP_CHANNEL_OP_INTERSECT, -off_x, -off_y); } gimp_channel_bounds (mask, &x1, &y1, &x2, &y2); /* make sure we handle the mask correctly if it was sample-merged */ if (sample_merged) { GimpItem *item; gint off_x, off_y; item = GIMP_ITEM (drawable); /* Limit the channel bounds to the drawable's extents */ gimp_item_offsets (item, &off_x, &off_y); x1 = CLAMP (x1, off_x, (off_x + gimp_item_width (item))); y1 = CLAMP (y1, off_y, (off_y + gimp_item_height (item))); x2 = CLAMP (x2, off_x, (off_x + gimp_item_width (item))); y2 = CLAMP (y2, off_y, (off_y + gimp_item_height (item))); pixel_region_init (&maskPR, gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)), x1, y1, (x2 - x1), (y2 - y1), TRUE); /* translate mask bounds to drawable coords */ x1 -= off_x; y1 -= off_y; x2 -= off_x; y2 -= off_y; } else { pixel_region_init (&maskPR, gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)), x1, y1, (x2 - x1), (y2 - y1), TRUE); } /* if the image doesn't have an alpha channel, make sure that * the buf_tiles have. We need the alpha channel to fill with * the region calculated above */ if (! gimp_drawable_has_alpha (drawable)) bytes++; } else if (fill_mode == GIMP_PATTERN_BUCKET_FILL && (pat_buf->bytes == 2 || pat_buf->bytes == 4)) { /* If pattern being applied has an alpha channel, add one to the * buf_tiles. */ if (! gimp_drawable_has_alpha (drawable)) bytes++; } buf_tiles = tile_manager_new ((x2 - x1), (y2 - y1), bytes); pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), TRUE); switch (fill_mode) { case GIMP_FG_BUCKET_FILL: case GIMP_BG_BUCKET_FILL: if (mask) color_region_mask (&bufPR, &maskPR, col); else color_region (&bufPR, col); break; case GIMP_PATTERN_BUCKET_FILL: if (mask) pattern_region (&bufPR, &maskPR, pat_buf, x1, y1); else pattern_region (&bufPR, NULL, pat_buf, x1, y1); break; } /* Apply it to the image */ pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), FALSE); gimp_drawable_apply_region (drawable, &bufPR, TRUE, C_("command", "Bucket Fill"), opacity, paint_mode, NULL, x1, y1); tile_manager_unref (buf_tiles); /* update the image */ gimp_drawable_update (drawable, x1, y1, x2 - x1, y2 - y1); /* free the mask */ if (mask) g_object_unref (mask); if (new_buf) temp_buf_free (pat_buf); gimp_unset_busy (image->gimp); }