X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=src%2Fxo-paint.c;h=5b2e7761e679d4b434e19af11aad33f0654f6217;hb=69037d6ddbe7e90d13d8a7a088d8c209a926190e;hp=33576f8a21cca3fc5ccbef072e631fb5d9f4e361;hpb=bc1db27c7eef7de6d5097a5e708d2de540d35b88;p=xournal.git diff --git a/src/xo-paint.c b/src/xo-paint.c index 33576f8..5b2e776 100644 --- a/src/xo-paint.c +++ b/src/xo-paint.c @@ -22,8 +22,6 @@ #include #include -#include - #include "xournal.h" #include "xo-callbacks.h" #include "xo-interface.h" @@ -31,93 +29,8 @@ #include "xo-misc.h" #include "xo-paint.h" -/***** Win32 fix for gdk_cursor_new_from_pixmap() by Dirk Gerrits ****/ - -#ifdef WIN32 -gboolean colors_too_similar(const GdkColor *colora, const GdkColor *colorb) -{ - return (abs(colora->red - colorb->red) < 256 && - abs(colora->green - colorb->green) < 256 && - abs(colora->blue - colorb->blue) < 256); -} - -/* gdk_cursor_new_from_pixmap is broken on Windows. - this is a workaround using gdk_cursor_new_from_pixbuf. */ -GdkCursor* fixed_gdk_cursor_new_from_pixmap(GdkPixmap *source, GdkPixmap *mask, - const GdkColor *fg, const GdkColor *bg, - gint x, gint y) -{ - GdkPixmap *rgb_pixmap; - GdkGC *gc; - GdkPixbuf *rgb_pixbuf, *rgba_pixbuf; - GdkCursor *cursor; - int width, height; - - /* HACK! It seems impossible to work with RGBA pixmaps directly in - GDK-Win32. Instead we pick some third color, different from fg - and bg, and use that as the 'transparent color'. We do this using - colors_too_similar (see above) because two colors could be - unequal in GdkColor's 16-bit/sample, but equal in GdkPixbuf's - 8-bit/sample. */ - GdkColor candidates[3] = {{0,65535,0,0}, {0,0,65535,0}, {0,0,0,65535}}; - GdkColor *trans = &candidates[0]; - if (colors_too_similar(trans, fg) || colors_too_similar(trans, bg)) { - trans = &candidates[1]; - if (colors_too_similar(trans, fg) || colors_too_similar(trans, bg)) { - trans = &candidates[2]; - } - } /* trans is now guaranteed to be unique from fg and bg */ - - /* create an empty pixmap to hold the cursor image */ - gdk_drawable_get_size(source, &width, &height); - rgb_pixmap = gdk_pixmap_new(NULL, width, height, 24); - - /* blit the bitmaps defining the cursor onto a transparent background */ - gc = gdk_gc_new(rgb_pixmap); - gdk_gc_set_fill(gc, GDK_SOLID); - gdk_gc_set_rgb_fg_color(gc, trans); - gdk_draw_rectangle(rgb_pixmap, gc, TRUE, 0, 0, width, height); - gdk_gc_set_fill(gc, GDK_OPAQUE_STIPPLED); - gdk_gc_set_stipple(gc, source); - gdk_gc_set_clip_mask(gc, mask); - gdk_gc_set_rgb_fg_color(gc, fg); - gdk_gc_set_rgb_bg_color(gc, bg); - gdk_draw_rectangle(rgb_pixmap, gc, TRUE, 0, 0, width, height); - gdk_gc_unref(gc); - - /* create a cursor out of the created pixmap */ - rgb_pixbuf = gdk_pixbuf_get_from_drawable( - NULL, rgb_pixmap, gdk_colormap_get_system(), 0, 0, 0, 0, width, height); - gdk_pixmap_unref(rgb_pixmap); - rgba_pixbuf = gdk_pixbuf_add_alpha( - rgb_pixbuf, TRUE, trans->red, trans->green, trans->blue); - gdk_pixbuf_unref(rgb_pixbuf); - cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), rgba_pixbuf, x, y); - gdk_pixbuf_unref(rgba_pixbuf); - - return cursor; -} -#define gdk_cursor_new_from_pixmap fixed_gdk_cursor_new_from_pixmap -#endif - - /************** drawing nice cursors *********/ -static char cursor_pen_bits[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -static char cursor_eraser_bits[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x08, 0x08, 0x08, 0x08, - 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0xf8, 0x0f, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -static char cursor_eraser_mask[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, - 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - void set_cursor_busy(gboolean busy) { GdkCursor *cursor; @@ -135,6 +48,64 @@ void set_cursor_busy(gboolean busy) gdk_display_sync(gdk_display_get_default()); } +#define PEN_CURSOR_RADIUS 1 +#define HILITER_CURSOR_RADIUS 3 +#define HILITER_BORDER_RADIUS 4 + +GdkCursor *make_pen_cursor(guint color_rgba) +{ + int rowstride, x, y; + guchar col[4], *pixels; + + if (ui.pen_cursor_pix == NULL) { + ui.pen_cursor_pix = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 16, 16); + if (ui.pen_cursor_pix == NULL) return NULL; // couldn't create pixbuf + gdk_pixbuf_fill(ui.pen_cursor_pix, 0xffffff00); // transparent white + } + rowstride = gdk_pixbuf_get_rowstride(ui.pen_cursor_pix); + pixels = gdk_pixbuf_get_pixels(ui.pen_cursor_pix); + + col[0] = (color_rgba >> 24) & 0xff; + col[1] = (color_rgba >> 16) & 0xff; + col[2] = (color_rgba >> 8) & 0xff; + col[3] = 0xff; // solid + for (x = 8-PEN_CURSOR_RADIUS; x <= 8+PEN_CURSOR_RADIUS; x++) + for (y = 8-PEN_CURSOR_RADIUS; y <= 8+PEN_CURSOR_RADIUS; y++) + g_memmove(pixels + y*rowstride + x*4, col, 4); + + return gdk_cursor_new_from_pixbuf(gdk_display_get_default(), ui.pen_cursor_pix, 7, 7); +} + +GdkCursor *make_hiliter_cursor(guint color_rgba) +{ + int rowstride, x, y; + guchar col[4], *pixels; + + if (ui.hiliter_cursor_pix == NULL) { + ui.hiliter_cursor_pix = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 16, 16); + if (ui.hiliter_cursor_pix == NULL) return NULL; // couldn't create pixbuf + gdk_pixbuf_fill(ui.hiliter_cursor_pix, 0xffffff00); // transparent white + } + rowstride = gdk_pixbuf_get_rowstride(ui.hiliter_cursor_pix); + pixels = gdk_pixbuf_get_pixels(ui.hiliter_cursor_pix); + + col[0] = col[1] = col[2] = 0; // black + col[3] = 0xff; // solid + for (x = 8-HILITER_BORDER_RADIUS; x <= 8+HILITER_BORDER_RADIUS; x++) + for (y = 8-HILITER_BORDER_RADIUS; y <= 8+HILITER_BORDER_RADIUS; y++) + g_memmove(pixels + y*rowstride + x*4, col, 4); + + col[0] = (color_rgba >> 24) & 0xff; + col[1] = (color_rgba >> 16) & 0xff; + col[2] = (color_rgba >> 8) & 0xff; + col[3] = 0xff; // solid + for (x = 8-HILITER_CURSOR_RADIUS; x <= 8+HILITER_CURSOR_RADIUS; x++) + for (y = 8-HILITER_CURSOR_RADIUS; y <= 8+HILITER_CURSOR_RADIUS; y++) + g_memmove(pixels + y*rowstride + x*4, col, 4); + + return gdk_cursor_new_from_pixbuf(gdk_display_get_default(), ui.hiliter_cursor_pix, 7, 7); +} + void update_cursor(void) { GdkPixmap *source, *mask; @@ -152,29 +123,13 @@ void update_cursor(void) else if (ui.cur_item_type == ITEM_MOVESEL) ui.cursor = gdk_cursor_new(GDK_FLEUR); else if (ui.toolno[ui.cur_mapping] == TOOL_PEN) { - fg.red = (ui.cur_brush->color_rgba >> 16) & 0xff00; - fg.green = (ui.cur_brush->color_rgba >> 8) & 0xff00; - fg.blue = (ui.cur_brush->color_rgba >> 0) & 0xff00; - source = gdk_bitmap_create_from_data(NULL, cursor_pen_bits, 16, 16); - ui.cursor = gdk_cursor_new_from_pixmap(source, source, &fg, &bg, 7, 7); - gdk_bitmap_unref(source); + ui.cursor = make_pen_cursor(ui.cur_brush->color_rgba); } else if (ui.toolno[ui.cur_mapping] == TOOL_ERASER) { - source = gdk_bitmap_create_from_data(NULL, cursor_eraser_bits, 16, 16); - mask = gdk_bitmap_create_from_data(NULL, cursor_eraser_mask, 16, 16); - ui.cursor = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 7, 7); - gdk_bitmap_unref(source); - gdk_bitmap_unref(mask); + ui.cursor = make_hiliter_cursor(0xffffffff); } else if (ui.toolno[ui.cur_mapping] == TOOL_HIGHLIGHTER) { - source = gdk_bitmap_create_from_data(NULL, cursor_eraser_bits, 16, 16); - mask = gdk_bitmap_create_from_data(NULL, cursor_eraser_mask, 16, 16); - bg.red = (ui.cur_brush->color_rgba >> 16) & 0xff00; - bg.green = (ui.cur_brush->color_rgba >> 8) & 0xff00; - bg.blue = (ui.cur_brush->color_rgba >> 0) & 0xff00; - ui.cursor = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 7, 7); - gdk_bitmap_unref(source); - gdk_bitmap_unref(mask); + ui.cursor = make_hiliter_cursor(ui.cur_brush->color_rgba); } else if (ui.cur_item_type == ITEM_SELECTRECT) { ui.cursor = gdk_cursor_new(GDK_TCROSS); @@ -538,507 +493,6 @@ void finalize_erasure(void) is traversed in the forward direction */ } -/************ selection tools ***********/ - -void make_dashed(GnomeCanvasItem *item) -{ - double dashlen[2]; - ArtVpathDash dash; - - dash.n_dash = 2; - dash.offset = 3.0; - dash.dash = dashlen; - dashlen[0] = dashlen[1] = 6.0; - gnome_canvas_item_set(item, "dash", &dash, NULL); -} - - -void start_selectrect(GdkEvent *event) -{ - double pt[2]; - reset_selection(); - - ui.cur_item_type = ITEM_SELECTRECT; - ui.selection = g_new(struct Selection, 1); - ui.selection->type = ITEM_SELECTRECT; - ui.selection->items = NULL; - ui.selection->layer = ui.cur_layer; - - get_pointer_coords(event, pt); - ui.selection->bbox.left = ui.selection->bbox.right = pt[0]; - ui.selection->bbox.top = ui.selection->bbox.bottom = pt[1]; - - ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group, - gnome_canvas_rect_get_type(), "width-pixels", 1, - "outline-color-rgba", 0x000000ff, - "fill-color-rgba", 0x80808040, - "x1", pt[0], "x2", pt[0], "y1", pt[1], "y2", pt[1], NULL); - update_cursor(); -} - -void finalize_selectrect(void) -{ - double x1, x2, y1, y2; - GList *itemlist; - struct Item *item; - - - ui.cur_item_type = ITEM_NONE; - - if (ui.selection->bbox.left > ui.selection->bbox.right) { - x1 = ui.selection->bbox.right; x2 = ui.selection->bbox.left; - ui.selection->bbox.left = x1; ui.selection->bbox.right = x2; - } else { - x1 = ui.selection->bbox.left; x2 = ui.selection->bbox.right; - } - - if (ui.selection->bbox.top > ui.selection->bbox.bottom) { - y1 = ui.selection->bbox.bottom; y2 = ui.selection->bbox.top; - ui.selection->bbox.top = y1; ui.selection->bbox.bottom = y2; - } else { - y1 = ui.selection->bbox.top; y2 = ui.selection->bbox.bottom; - } - - for (itemlist = ui.selection->layer->items; itemlist!=NULL; itemlist = itemlist->next) { - item = (struct Item *)itemlist->data; - if (item->bbox.left >= x1 && item->bbox.right <= x2 && - item->bbox.top >= y1 && item->bbox.bottom <= y2) { - ui.selection->items = g_list_append(ui.selection->items, item); - } - } - - if (ui.selection->items == NULL) { - // if we clicked inside a text zone ? - item = click_is_in_text(ui.selection->layer, x1, y1); - if (item!=NULL && item==click_is_in_text(ui.selection->layer, x2, y2)) { - ui.selection->items = g_list_append(ui.selection->items, item); - g_memmove(&(ui.selection->bbox), &(item->bbox), sizeof(struct BBox)); - gnome_canvas_item_set(ui.selection->canvas_item, - "x1", item->bbox.left, "x2", item->bbox.right, - "y1", item->bbox.top, "y2", item->bbox.bottom, NULL); - } - } - - if (ui.selection->items == NULL) reset_selection(); - else make_dashed(ui.selection->canvas_item); - update_cursor(); - update_copy_paste_enabled(); - update_font_button(); -} - -gboolean start_movesel(GdkEvent *event) -{ - double pt[2]; - - if (ui.selection==NULL) return FALSE; - if (ui.cur_layer != ui.selection->layer) return FALSE; - - get_pointer_coords(event, pt); - if (ui.selection->type == ITEM_SELECTRECT) { - if (pt[0]bbox.left || pt[0]>ui.selection->bbox.right || - pt[1]bbox.top || pt[1]>ui.selection->bbox.bottom) - return FALSE; - ui.cur_item_type = ITEM_MOVESEL; - ui.selection->anchor_x = ui.selection->last_x = pt[0]; - ui.selection->anchor_y = ui.selection->last_y = pt[1]; - ui.selection->orig_pageno = ui.pageno; - ui.selection->move_pageno = ui.pageno; - ui.selection->move_layer = ui.selection->layer; - ui.selection->move_pagedelta = 0.; - gnome_canvas_item_set(ui.selection->canvas_item, "dash", NULL, NULL); - update_cursor(); - return TRUE; - } - return FALSE; -} - -gboolean start_resizesel(GdkEvent *event) -{ - double pt[2], resize_margin, hmargin, vmargin; - - if (ui.selection==NULL) return FALSE; - if (ui.cur_layer != ui.selection->layer) return FALSE; - - get_pointer_coords(event, pt); - - if (ui.selection->type == ITEM_SELECTRECT) { - resize_margin = RESIZE_MARGIN/ui.zoom; - hmargin = (ui.selection->bbox.right-ui.selection->bbox.left)*0.3; - if (hmargin>resize_margin) hmargin = resize_margin; - vmargin = (ui.selection->bbox.bottom-ui.selection->bbox.top)*0.3; - if (vmargin>resize_margin) vmargin = resize_margin; - - // make sure the click is within a box slightly bigger than the selection rectangle - if (pt[0]bbox.left-resize_margin || - pt[0]>ui.selection->bbox.right+resize_margin || - pt[1]bbox.top-resize_margin || - pt[1]>ui.selection->bbox.bottom+resize_margin) - return FALSE; - - // now, if the click is near the edge, it's a resize operation - // keep track of which edges we're close to, since those are the ones which should move - ui.selection->resizing_left = (pt[0]bbox.left+hmargin); - ui.selection->resizing_right = (pt[0]>ui.selection->bbox.right-hmargin); - ui.selection->resizing_top = (pt[1]bbox.top+vmargin); - ui.selection->resizing_bottom = (pt[1]>ui.selection->bbox.bottom-vmargin); - - // we're not near any edge, give up - if (!(ui.selection->resizing_left || ui.selection->resizing_right || - ui.selection->resizing_top || ui.selection->resizing_bottom)) - return FALSE; - - ui.cur_item_type = ITEM_RESIZESEL; - ui.selection->new_y1 = ui.selection->bbox.top; - ui.selection->new_y2 = ui.selection->bbox.bottom; - ui.selection->new_x1 = ui.selection->bbox.left; - ui.selection->new_x2 = ui.selection->bbox.right; - gnome_canvas_item_set(ui.selection->canvas_item, "dash", NULL, NULL); - update_cursor_for_resize(pt); - return TRUE; - } - return FALSE; -} - - -void start_vertspace(GdkEvent *event) -{ - double pt[2]; - GList *itemlist; - struct Item *item; - - reset_selection(); - ui.cur_item_type = ITEM_MOVESEL_VERT; - ui.selection = g_new(struct Selection, 1); - ui.selection->type = ITEM_MOVESEL_VERT; - ui.selection->items = NULL; - ui.selection->layer = ui.cur_layer; - - get_pointer_coords(event, pt); - ui.selection->bbox.top = ui.selection->bbox.bottom = pt[1]; - for (itemlist = ui.cur_layer->items; itemlist!=NULL; itemlist = itemlist->next) { - item = (struct Item *)itemlist->data; - if (item->bbox.top >= pt[1]) { - ui.selection->items = g_list_append(ui.selection->items, item); - if (item->bbox.bottom > ui.selection->bbox.bottom) - ui.selection->bbox.bottom = item->bbox.bottom; - } - } - - ui.selection->anchor_x = ui.selection->last_x = 0; - ui.selection->anchor_y = ui.selection->last_y = pt[1]; - ui.selection->orig_pageno = ui.pageno; - ui.selection->move_pageno = ui.pageno; - ui.selection->move_layer = ui.selection->layer; - ui.selection->move_pagedelta = 0.; - ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group, - gnome_canvas_rect_get_type(), "width-pixels", 1, - "outline-color-rgba", 0x000000ff, - "fill-color-rgba", 0x80808040, - "x1", -100.0, "x2", ui.cur_page->width+100, "y1", pt[1], "y2", pt[1], NULL); - update_cursor(); -} - -void continue_movesel(GdkEvent *event) -{ - double pt[2], dx, dy, upmargin; - GList *list; - struct Item *item; - int tmppageno; - struct Page *tmppage; - - get_pointer_coords(event, pt); - if (ui.cur_item_type == ITEM_MOVESEL_VERT) pt[0] = 0; - pt[1] += ui.selection->move_pagedelta; - - // check for page jumps - if (ui.cur_item_type == ITEM_MOVESEL_VERT) - upmargin = ui.selection->bbox.bottom - ui.selection->bbox.top; - else upmargin = VIEW_CONTINUOUS_SKIP; - tmppageno = ui.selection->move_pageno; - tmppage = g_list_nth_data(journal.pages, tmppageno); - while (ui.view_continuous && (pt[1] < - upmargin)) { - if (tmppageno == 0) break; - tmppageno--; - tmppage = g_list_nth_data(journal.pages, tmppageno); - pt[1] += tmppage->height + VIEW_CONTINUOUS_SKIP; - ui.selection->move_pagedelta += tmppage->height + VIEW_CONTINUOUS_SKIP; - } - while (ui.view_continuous && (pt[1] > tmppage->height+VIEW_CONTINUOUS_SKIP)) { - if (tmppageno == journal.npages-1) break; - pt[1] -= tmppage->height + VIEW_CONTINUOUS_SKIP; - ui.selection->move_pagedelta -= tmppage->height + VIEW_CONTINUOUS_SKIP; - tmppageno++; - tmppage = g_list_nth_data(journal.pages, tmppageno); - } - - if (tmppageno != ui.selection->move_pageno) { - // move to a new page ! - ui.selection->move_pageno = tmppageno; - if (tmppageno == ui.selection->orig_pageno) - ui.selection->move_layer = ui.selection->layer; - else - ui.selection->move_layer = (struct Layer *)(g_list_last( - ((struct Page *)g_list_nth_data(journal.pages, tmppageno))->layers)->data); - gnome_canvas_item_reparent(ui.selection->canvas_item, ui.selection->move_layer->group); - for (list = ui.selection->items; list!=NULL; list = list->next) { - item = (struct Item *)list->data; - if (item->canvas_item!=NULL) - gnome_canvas_item_reparent(item->canvas_item, ui.selection->move_layer->group); - } - // avoid a refresh bug - gnome_canvas_item_move(GNOME_CANVAS_ITEM(ui.selection->move_layer->group), 0., 0.); - if (ui.cur_item_type == ITEM_MOVESEL_VERT) - gnome_canvas_item_set(ui.selection->canvas_item, - "x2", tmppage->width+100, - "y1", ui.selection->anchor_y+ui.selection->move_pagedelta, NULL); - } - - // now, process things normally - - dx = pt[0] - ui.selection->last_x; - dy = pt[1] - ui.selection->last_y; - if (hypot(dx,dy) < 1) return; // don't move subpixel - ui.selection->last_x = pt[0]; - ui.selection->last_y = pt[1]; - - // move the canvas items - if (ui.cur_item_type == ITEM_MOVESEL_VERT) - gnome_canvas_item_set(ui.selection->canvas_item, "y2", pt[1], NULL); - else - gnome_canvas_item_move(ui.selection->canvas_item, dx, dy); - - for (list = ui.selection->items; list != NULL; list = list->next) { - item = (struct Item *)list->data; - if (item->canvas_item != NULL) - gnome_canvas_item_move(item->canvas_item, dx, dy); - } -} - -void continue_resizesel(GdkEvent *event) -{ - double pt[2]; - - get_pointer_coords(event, pt); - - if (ui.selection->resizing_top) ui.selection->new_y1 = pt[1]; - if (ui.selection->resizing_bottom) ui.selection->new_y2 = pt[1]; - if (ui.selection->resizing_left) ui.selection->new_x1 = pt[0]; - if (ui.selection->resizing_right) ui.selection->new_x2 = pt[0]; - - gnome_canvas_item_set(ui.selection->canvas_item, - "x1", ui.selection->new_x1, "x2", ui.selection->new_x2, - "y1", ui.selection->new_y1, "y2", ui.selection->new_y2, NULL); -} - -void finalize_movesel(void) -{ - GList *list, *link; - - if (ui.selection->items != NULL) { - prepare_new_undo(); - undo->type = ITEM_MOVESEL; - undo->itemlist = g_list_copy(ui.selection->items); - undo->val_x = ui.selection->last_x - ui.selection->anchor_x; - undo->val_y = ui.selection->last_y - ui.selection->anchor_y; - undo->layer = ui.selection->layer; - undo->layer2 = ui.selection->move_layer; - undo->auxlist = NULL; - // build auxlist = pointers to Item's just before ours (for depths) - for (list = ui.selection->items; list!=NULL; list = list->next) { - link = g_list_find(ui.selection->layer->items, list->data); - if (link!=NULL) link = link->prev; - undo->auxlist = g_list_append(undo->auxlist, ((link!=NULL) ? link->data : NULL)); - } - ui.selection->layer = ui.selection->move_layer; - move_journal_items_by(undo->itemlist, undo->val_x, undo->val_y, - undo->layer, undo->layer2, - (undo->layer == undo->layer2)?undo->auxlist:NULL); - } - - if (ui.selection->move_pageno!=ui.selection->orig_pageno) - do_switch_page(ui.selection->move_pageno, FALSE, FALSE); - - if (ui.cur_item_type == ITEM_MOVESEL_VERT) - reset_selection(); - else { - ui.selection->bbox.left += undo->val_x; - ui.selection->bbox.right += undo->val_x; - ui.selection->bbox.top += undo->val_y; - ui.selection->bbox.bottom += undo->val_y; - make_dashed(ui.selection->canvas_item); - /* update selection box object's offset to be trivial, and its internal - coordinates to agree with those of the bbox; need this since resize - operations will modify the box by setting its coordinates directly */ - gnome_canvas_item_affine_absolute(ui.selection->canvas_item, NULL); - gnome_canvas_item_set(ui.selection->canvas_item, - "x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right, - "y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL); - } - ui.cur_item_type = ITEM_NONE; - update_cursor(); -} - -#define SCALING_EPSILON 0.001 - -void finalize_resizesel(void) -{ - struct Item *item; - - // build the affine transformation - double offset_x, offset_y, scaling_x, scaling_y; - scaling_x = (ui.selection->new_x2 - ui.selection->new_x1) / - (ui.selection->bbox.right - ui.selection->bbox.left); - scaling_y = (ui.selection->new_y2 - ui.selection->new_y1) / - (ui.selection->bbox.bottom - ui.selection->bbox.top); - // couldn't undo a resize-by-zero... - if (fabs(scaling_x)new_x1 - ui.selection->bbox.left * scaling_x; - offset_y = ui.selection->new_y1 - ui.selection->bbox.top * scaling_y; - - if (ui.selection->items != NULL) { - // create the undo information - prepare_new_undo(); - undo->type = ITEM_RESIZESEL; - undo->itemlist = g_list_copy(ui.selection->items); - undo->auxlist = NULL; - - undo->scaling_x = scaling_x; - undo->scaling_y = scaling_y; - undo->val_x = offset_x; - undo->val_y = offset_y; - - // actually do the resize operation - resize_journal_items_by(ui.selection->items, scaling_x, scaling_y, offset_x, offset_y); - } - - if (scaling_x>0) { - ui.selection->bbox.left = ui.selection->new_x1; - ui.selection->bbox.right = ui.selection->new_x2; - } else { - ui.selection->bbox.left = ui.selection->new_x2; - ui.selection->bbox.right = ui.selection->new_x1; - } - if (scaling_y>0) { - ui.selection->bbox.top = ui.selection->new_y1; - ui.selection->bbox.bottom = ui.selection->new_y2; - } else { - ui.selection->bbox.top = ui.selection->new_y2; - ui.selection->bbox.bottom = ui.selection->new_y1; - } - make_dashed(ui.selection->canvas_item); - - ui.cur_item_type = ITEM_NONE; - update_cursor(); -} - -void selection_delete(void) -{ - struct UndoErasureData *erasure; - GList *itemlist; - struct Item *item; - - if (ui.selection == NULL) return; - prepare_new_undo(); - undo->type = ITEM_ERASURE; - undo->layer = ui.selection->layer; - undo->erasurelist = NULL; - for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) { - item = (struct Item *)itemlist->data; - if (item->canvas_item!=NULL) - gtk_object_destroy(GTK_OBJECT(item->canvas_item)); - erasure = g_new(struct UndoErasureData, 1); - erasure->item = item; - erasure->npos = g_list_index(ui.selection->layer->items, item); - erasure->nrepl = 0; - erasure->replacement_items = NULL; - ui.selection->layer->items = g_list_remove(ui.selection->layer->items, item); - ui.selection->layer->nitems--; - undo->erasurelist = g_list_prepend(undo->erasurelist, erasure); - } - reset_selection(); - - /* NOTE: the erasurelist is built backwards; this guarantees that, - upon undo, the erasure->npos fields give the correct position - where each item should be reinserted as the list is traversed in - the forward direction */ -} - -// modify the color or thickness of pen strokes in a selection - -void recolor_selection(int color_no, guint color_rgba) -{ - GList *itemlist; - struct Item *item; - struct Brush *brush; - GnomeCanvasGroup *group; - - if (ui.selection == NULL) return; - prepare_new_undo(); - undo->type = ITEM_REPAINTSEL; - undo->itemlist = NULL; - undo->auxlist = NULL; - for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) { - item = (struct Item *)itemlist->data; - if (item->type != ITEM_STROKE && item->type != ITEM_TEXT) continue; - if (item->type == ITEM_STROKE && item->brush.tool_type!=TOOL_PEN) continue; - // store info for undo - undo->itemlist = g_list_append(undo->itemlist, item); - brush = (struct Brush *)g_malloc(sizeof(struct Brush)); - g_memmove(brush, &(item->brush), sizeof(struct Brush)); - undo->auxlist = g_list_append(undo->auxlist, brush); - // repaint the stroke - item->brush.color_no = color_no; - item->brush.color_rgba = color_rgba | 0xff; // no alpha - if (item->canvas_item!=NULL) { - if (!item->brush.variable_width) - gnome_canvas_item_set(item->canvas_item, - "fill-color-rgba", item->brush.color_rgba, NULL); - else { - group = (GnomeCanvasGroup *) item->canvas_item->parent; - gtk_object_destroy(GTK_OBJECT(item->canvas_item)); - make_canvas_item_one(group, item); - } - } - } -} - -void rethicken_selection(int val) -{ - GList *itemlist; - struct Item *item; - struct Brush *brush; - GnomeCanvasGroup *group; - - if (ui.selection == NULL) return; - prepare_new_undo(); - undo->type = ITEM_REPAINTSEL; - undo->itemlist = NULL; - undo->auxlist = NULL; - for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) { - item = (struct Item *)itemlist->data; - if (item->type != ITEM_STROKE || item->brush.tool_type!=TOOL_PEN) continue; - // store info for undo - undo->itemlist = g_list_append(undo->itemlist, item); - brush = (struct Brush *)g_malloc(sizeof(struct Brush)); - g_memmove(brush, &(item->brush), sizeof(struct Brush)); - undo->auxlist = g_list_append(undo->auxlist, brush); - // repaint the stroke - item->brush.thickness_no = val; - item->brush.thickness = predef_thickness[TOOL_PEN][val]; - if (item->canvas_item!=NULL) { - if (!item->brush.variable_width) - gnome_canvas_item_set(item->canvas_item, - "width-units", item->brush.thickness, NULL); - else { - group = (GnomeCanvasGroup *) item->canvas_item->parent; - gtk_object_destroy(GTK_OBJECT(item->canvas_item)); - item->brush.variable_width = FALSE; - make_canvas_item_one(group, item); - } - } - } -} gboolean do_hand_scrollto(gpointer data) { @@ -1259,6 +713,22 @@ struct Item *click_is_in_text(struct Layer *layer, double x, double y) return val; } +struct Item *click_is_in_text_or_image(struct Layer *layer, double x, double y) +{ + GList *itemlist; + struct Item *item, *val; + + val = NULL; + for (itemlist = layer->items; itemlist!=NULL; itemlist = itemlist->next) { + item = (struct Item *)itemlist->data; + if (item->type != ITEM_TEXT && item->type != ITEM_IMAGE) continue; + if (xbbox.left || x>item->bbox.right) continue; + if (ybbox.top || y>item->bbox.bottom) continue; + val = item; + } + return val; +} + void refont_text_item(struct Item *item, gchar *font_name, double font_size) { if (!strcmp(font_name, item->font_name) && font_size==item->font_size) return;