mirror of https://github.com/GNOME/gimp.git
app: add support for show-all mode in GimpCanvasGrid
Don't crop the grid to the canvas size in show-all mode.
This commit is contained in:
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23617c943b
commit
1e621680f1
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@ -34,7 +34,9 @@
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#include "gimpcanvas-style.h"
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#include "gimpcanvasgrid.h"
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#include "gimpcanvasitem-utils.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-scale.h"
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enum
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@ -181,16 +183,13 @@ gimp_canvas_grid_draw (GimpCanvasItem *item,
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{
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GimpCanvasGridPrivate *private = GET_PRIVATE (item);
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GimpDisplayShell *shell = gimp_canvas_item_get_shell (item);
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GimpImage *image = gimp_canvas_item_get_image (item);
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gdouble xspacing, yspacing;
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gdouble xoffset, yoffset;
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gboolean vert, horz;
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gdouble x, y;
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gdouble dx1, dy1, dx2, dy2;
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gint x0, x1, x2, x3;
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gint y0, y1, y2, y3;
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gint x_real, y_real;
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gint width, height;
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gint x1, y1, x2, y2;
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gdouble dx, dy;
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gint x, y;
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#define CROSSHAIR 2
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@ -200,55 +199,90 @@ gimp_canvas_grid_draw (GimpCanvasItem *item,
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g_return_if_fail (xspacing >= 0.0 &&
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yspacing >= 0.0);
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xspacing *= shell->scale_x;
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yspacing *= shell->scale_y;
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xoffset *= shell->scale_x;
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yoffset *= shell->scale_y;
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/* skip grid drawing when the space between grid lines starts
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* disappearing, see bug #599267.
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*/
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vert = (xspacing * shell->scale_x >= 2.0);
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horz = (yspacing * shell->scale_y >= 2.0);
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vert = (xspacing >= 2.0);
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horz = (yspacing >= 2.0);
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if (! vert && ! horz)
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return;
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cairo_clip_extents (cr, &dx1, &dy1, &dx2, &dy2);
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x1 = floor (dx1);
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y1 = floor (dy1);
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x2 = ceil (dx2);
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y2 = ceil (dy2);
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x1 = floor (dx1) - 1;
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y1 = floor (dy1) - 1;
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x2 = ceil (dx2) + 1;
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y2 = ceil (dy2) + 1;
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width = gimp_image_get_width (image);
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height = gimp_image_get_height (image);
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if (! shell->show_all)
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{
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GeglRectangle bounds;
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xoffset = fmod (xoffset, xspacing);
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yoffset = fmod (yoffset, yspacing);
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gimp_display_shell_scale_get_image_unrotated_bounding_box (
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shell,
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&bounds.x, &bounds.y, &bounds.width, &bounds.height);
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if (! gegl_rectangle_intersect (&bounds,
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&bounds,
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GEGL_RECTANGLE (x1, y1,
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x2 - x1, y2 - y1)))
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{
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return;
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}
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x1 = bounds.x;
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y1 = bounds.y;
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x2 = bounds.x + bounds.width;
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y2 = bounds.y + bounds.height;
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}
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switch (gimp_grid_get_style (private->grid))
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{
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case GIMP_GRID_INTERSECTIONS:
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x1 -= CROSSHAIR;
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y1 -= CROSSHAIR;
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x2 += CROSSHAIR;
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y2 += CROSSHAIR;
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break;
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case GIMP_GRID_DOTS:
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case GIMP_GRID_ON_OFF_DASH:
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case GIMP_GRID_DOUBLE_DASH:
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case GIMP_GRID_SOLID:
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break;
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}
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xoffset = fmod (xoffset - shell->offset_x - x1, xspacing);
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yoffset = fmod (yoffset - shell->offset_y - y1, yspacing);
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if (xoffset < 0.0)
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xoffset += xspacing;
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if (yoffset < 0.0)
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yoffset += yspacing;
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switch (gimp_grid_get_style (private->grid))
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{
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case GIMP_GRID_DOTS:
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if (vert && horz)
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{
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for (x = xoffset; x <= width; x += xspacing)
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for (dx = x1 + xoffset; dx <= x2; dx += xspacing)
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{
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if (x < 0)
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continue;
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x = RINT (dx);
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gimp_canvas_item_transform_xy (item, x, 0, &x_real, &y_real);
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if (x_real < x1 || x_real >= x2)
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continue;
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for (y = yoffset; y <= height; y += yspacing)
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for (dy = y1 + yoffset; dy <= y2; dy += yspacing)
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{
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if (y < 0)
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continue;
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y = RINT (dy);
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gimp_canvas_item_transform_xy (item, x, y, &x_real, &y_real);
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if (y_real >= y1 && y_real < y2)
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{
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cairo_move_to (cr, x_real, y_real + 0.5);
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cairo_line_to (cr, x_real + 1, y_real + 0.5);
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}
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cairo_move_to (cr, x, y + 0.5);
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cairo_line_to (cr, x + 1.0, y + 0.5);
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}
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}
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}
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@ -257,49 +291,19 @@ gimp_canvas_grid_draw (GimpCanvasItem *item,
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case GIMP_GRID_INTERSECTIONS:
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if (vert && horz)
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{
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for (x = xoffset; x <= width; x += xspacing)
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for (dx = x1 + xoffset; dx <= x2; dx += xspacing)
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{
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if (x < 0)
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continue;
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x = RINT (dx);
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gimp_canvas_item_transform_xy (item, x, 0, &x_real, &y_real);
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if (x_real + CROSSHAIR < x1 || x_real - CROSSHAIR >= x2)
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continue;
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for (y = yoffset; y <= height; y += yspacing)
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for (dy = y1 + yoffset; dy <= y2; dy += yspacing)
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{
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if (y < 0)
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continue;
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y = RINT (dy);
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gimp_canvas_item_transform_xy (item, x, y, &x_real, &y_real);
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cairo_move_to (cr, x + 0.5, y - CROSSHAIR);
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cairo_line_to (cr, x + 0.5, y + CROSSHAIR + 1.0);
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if (y_real + CROSSHAIR < y1 || y_real - CROSSHAIR >= y2)
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continue;
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if (x_real >= x1 && x_real < x2)
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{
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cairo_move_to (cr,
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x_real + 0.5,
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CLAMP (y_real - CROSSHAIR,
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y1, y2 - 1));
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cairo_line_to (cr,
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x_real + 0.5,
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CLAMP (y_real + CROSSHAIR,
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y1, y2 - 1) + 1);
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}
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if (y_real >= y1 && y_real < y2)
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{
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cairo_move_to (cr,
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CLAMP (x_real - CROSSHAIR,
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x1, x2 - 1),
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y_real + 0.5);
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cairo_line_to (cr,
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CLAMP (x_real + CROSSHAIR,
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x1, x2 - 1) + 1,
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y_real + 0.5);
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}
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cairo_move_to (cr, x - CROSSHAIR, y + 0.5);
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cairo_line_to (cr, x + CROSSHAIR + 1.0, y + 0.5);
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}
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}
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}
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@ -308,40 +312,25 @@ gimp_canvas_grid_draw (GimpCanvasItem *item,
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case GIMP_GRID_ON_OFF_DASH:
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case GIMP_GRID_DOUBLE_DASH:
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case GIMP_GRID_SOLID:
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gimp_canvas_item_transform_xy (item, 0, 0, &x0, &y0);
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gimp_canvas_item_transform_xy (item, width, height, &x3, &y3);
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if (vert)
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{
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for (x = xoffset; x < width; x += xspacing)
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for (dx = x1 + xoffset; dx < x2; dx += xspacing)
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{
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if (x < 0)
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continue;
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gimp_canvas_item_transform_xy (item, x, 0, &x_real, &y_real);
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if (x_real >= x1 && x_real < x2)
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{
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cairo_move_to (cr, x_real + 0.5, y0);
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cairo_line_to (cr, x_real + 0.5, y3 + 1);
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}
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x = RINT (dx);
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cairo_move_to (cr, x + 0.5, y1);
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cairo_line_to (cr, x + 0.5, y2);
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}
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}
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if (horz)
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{
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for (y = yoffset; y < height; y += yspacing)
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for (dy = y1 + yoffset; dy < y2; dy += yspacing)
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{
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if (y < 0)
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continue;
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gimp_canvas_item_transform_xy (item, 0, y, &x_real, &y_real);
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if (y_real >= y1 && y_real < y2)
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{
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cairo_move_to (cr, x0, y_real + 0.5);
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cairo_line_to (cr, x3 + 1, y_real + 0.5);
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}
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y = RINT (dy);
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cairo_move_to (cr, x1, y + 0.5);
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cairo_line_to (cr, x2, y + 0.5);
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}
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}
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break;
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@ -353,25 +342,39 @@ gimp_canvas_grid_draw (GimpCanvasItem *item,
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static cairo_region_t *
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gimp_canvas_grid_get_extents (GimpCanvasItem *item)
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{
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GimpDisplayShell *shell = gimp_canvas_item_get_shell (item);
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GimpImage *image = gimp_canvas_item_get_image (item);
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cairo_rectangle_int_t rectangle;
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gdouble x1, y1;
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gdouble x2, y2;
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gint w, h;
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if (! image)
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return NULL;
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w = gimp_image_get_width (image);
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h = gimp_image_get_height (image);
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if (! shell->show_all)
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{
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gdouble x1, y1;
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gdouble x2, y2;
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gint w, h;
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gimp_canvas_item_transform_xy_f (item, 0, 0, &x1, &y1);
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gimp_canvas_item_transform_xy_f (item, w, h, &x2, &y2);
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w = gimp_image_get_width (image);
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h = gimp_image_get_height (image);
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rectangle.x = floor (x1);
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rectangle.y = floor (y1);
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rectangle.width = ceil (x2) - rectangle.x;
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rectangle.height = ceil (y2) - rectangle.y;
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gimp_canvas_item_transform_xy_f (item, 0, 0, &x1, &y1);
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gimp_canvas_item_transform_xy_f (item, w, h, &x2, &y2);
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rectangle.x = floor (x1);
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rectangle.y = floor (y1);
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rectangle.width = ceil (x2) - rectangle.x;
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rectangle.height = ceil (y2) - rectangle.y;
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}
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else
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{
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gimp_canvas_item_untransform_viewport (item,
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&rectangle.x,
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&rectangle.y,
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&rectangle.width,
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&rectangle.height);
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}
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return cairo_region_create_rectangle (&rectangle);
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}
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