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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
commit | 3c57dd931145d43f2b0aef96c4d178135956bf91 (patch) | |
tree | 3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/display/gimpcanvas-style.c | |
parent | Initial commit. (diff) | |
download | gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip |
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/display/gimpcanvas-style.c | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/app/display/gimpcanvas-style.c b/app/display/gimpcanvas-style.c new file mode 100644 index 0000000..8d47961 --- /dev/null +++ b/app/display/gimpcanvas-style.c @@ -0,0 +1,458 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpcanvas-style.c + * Copyright (C) 2010 Michael Natterer <mitch@gimp.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpcolor/gimpcolor.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "display-types.h" + +#include "core/gimp-cairo.h" +#include "core/gimpgrid.h" +#include "core/gimplayer.h" + +#include "gimpcanvas-style.h" + +/* Styles for common and custom guides. */ +static const GimpRGB guide_normal_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB guide_normal_bg = { 0.0, 0.8, 1.0, 1.0 }; +static const GimpRGB guide_active_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB guide_active_bg = { 1.0, 0.0, 0.0, 1.0 }; + +static const GimpRGB guide_mirror_normal_fg = { 1.0, 1.0, 1.0, 1.0 }; +static const GimpRGB guide_mirror_normal_bg = { 0.0, 1.0, 0.0, 1.0 }; +static const GimpRGB guide_mirror_active_fg = { 0.0, 1.0, 0.0, 1.0 }; +static const GimpRGB guide_mirror_active_bg = { 1.0, 0.0, 0.0, 1.0 }; + +static const GimpRGB guide_mandala_normal_fg = { 1.0, 1.0, 1.0, 1.0 }; +static const GimpRGB guide_mandala_normal_bg = { 0.0, 1.0, 1.0, 1.0 }; +static const GimpRGB guide_mandala_active_fg = { 0.0, 1.0, 1.0, 1.0 }; +static const GimpRGB guide_mandala_active_bg = { 1.0, 0.0, 0.0, 1.0 }; + +static const GimpRGB guide_split_normal_fg = { 1.0, 1.0, 1.0, 1.0 }; +static const GimpRGB guide_split_normal_bg = { 1.0, 0.0, 1.0, 1.0 }; +static const GimpRGB guide_split_active_fg = { 1.0, 0.0, 1.0, 1.0 }; +static const GimpRGB guide_split_active_bg = { 1.0, 0.0, 0.0, 1.0 }; + +/* Styles for other canvas items. */ +static const GimpRGB sample_point_normal = { 0.0, 0.8, 1.0, 1.0 }; +static const GimpRGB sample_point_active = { 1.0, 0.0, 0.0, 1.0 }; + +static const GimpRGB layer_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB layer_bg = { 1.0, 1.0, 0.0, 1.0 }; + +static const GimpRGB layer_group_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB layer_group_bg = { 0.0, 1.0, 1.0, 1.0 }; + +static const GimpRGB layer_mask_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB layer_mask_bg = { 0.0, 1.0, 0.0, 1.0 }; + +static const GimpRGB canvas_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB canvas_bg = { 1.0, 0.5, 0.0, 1.0 }; + +static const GimpRGB selection_out_fg = { 1.0, 1.0, 1.0, 1.0 }; +static const GimpRGB selection_out_bg = { 0.5, 0.5, 0.5, 1.0 }; + +static const GimpRGB selection_in_fg = { 0.0, 0.0, 0.0, 1.0 }; +static const GimpRGB selection_in_bg = { 1.0, 1.0, 1.0, 1.0 }; + +static const GimpRGB vectors_normal_bg = { 1.0, 1.0, 1.0, 0.6 }; +static const GimpRGB vectors_normal_fg = { 0.0, 0.0, 1.0, 0.8 }; + +static const GimpRGB vectors_active_bg = { 1.0, 1.0, 1.0, 0.6 }; +static const GimpRGB vectors_active_fg = { 1.0, 0.0, 0.0, 0.8 }; + +static const GimpRGB outline_bg = { 1.0, 1.0, 1.0, 0.6 }; +static const GimpRGB outline_fg = { 0.0, 0.0, 0.0, 0.8 }; + +static const GimpRGB passe_partout = { 0.0, 0.0, 0.0, 1.0 }; + +static const GimpRGB tool_bg = { 0.0, 0.0, 0.0, 0.4 }; +static const GimpRGB tool_fg = { 1.0, 1.0, 1.0, 0.8 }; +static const GimpRGB tool_fg_highlight = { 1.0, 0.8, 0.2, 0.8 }; + + +/* public functions */ + +void +gimp_canvas_set_guide_style (GtkWidget *canvas, + cairo_t *cr, + GimpGuideStyle style, + gboolean active, + gdouble offset_x, + gdouble offset_y) +{ + cairo_pattern_t *pattern; + GimpRGB normal_fg; + GimpRGB normal_bg; + GimpRGB active_fg; + GimpRGB active_bg; + gdouble line_width; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + switch (style) + { + case GIMP_GUIDE_STYLE_NORMAL: + normal_fg = guide_normal_fg; + normal_bg = guide_normal_bg; + active_fg = guide_active_fg; + active_bg = guide_active_bg; + line_width = 1.0; + break; + + case GIMP_GUIDE_STYLE_MIRROR: + normal_fg = guide_mirror_normal_fg; + normal_bg = guide_mirror_normal_bg; + active_fg = guide_mirror_active_fg; + active_bg = guide_mirror_active_bg; + line_width = 1.0; + break; + + case GIMP_GUIDE_STYLE_MANDALA: + normal_fg = guide_mandala_normal_fg; + normal_bg = guide_mandala_normal_bg; + active_fg = guide_mandala_active_fg; + active_bg = guide_mandala_active_bg; + line_width = 1.0; + break; + + case GIMP_GUIDE_STYLE_SPLIT_VIEW: + normal_fg = guide_split_normal_fg; + normal_bg = guide_split_normal_bg; + active_fg = guide_split_active_fg; + active_bg = guide_split_active_bg; + line_width = 1.0; + break; + + default: /* GIMP_GUIDE_STYLE_NONE */ + /* This should not happen. */ + g_return_if_reached (); + } + + cairo_set_line_width (cr, line_width); + + if (active) + pattern = gimp_cairo_pattern_create_stipple (&active_fg, &active_bg, 0, + offset_x, offset_y); + else + pattern = gimp_cairo_pattern_create_stipple (&normal_fg, &normal_bg, 0, + offset_x, offset_y); + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +void +gimp_canvas_set_sample_point_style (GtkWidget *canvas, + cairo_t *cr, + gboolean active) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + + if (active) + gimp_cairo_set_source_rgb (cr, &sample_point_active); + else + gimp_cairo_set_source_rgb (cr, &sample_point_normal); +} + +void +gimp_canvas_set_grid_style (GtkWidget *canvas, + cairo_t *cr, + GimpGrid *grid, + gdouble offset_x, + gdouble offset_y) +{ + GimpRGB fg; + GimpRGB bg; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + g_return_if_fail (GIMP_IS_GRID (grid)); + + cairo_set_line_width (cr, 1.0); + + gimp_grid_get_fgcolor (grid, &fg); + + switch (gimp_grid_get_style (grid)) + { + cairo_pattern_t *pattern; + + case GIMP_GRID_ON_OFF_DASH: + case GIMP_GRID_DOUBLE_DASH: + if (grid->style == GIMP_GRID_DOUBLE_DASH) + { + gimp_grid_get_bgcolor (grid, &bg); + + pattern = gimp_cairo_pattern_create_stipple (&fg, &bg, 0, + offset_x, offset_y); + } + else + { + gimp_rgba_set (&bg, 0.0, 0.0, 0.0, 0.0); + + pattern = gimp_cairo_pattern_create_stipple (&fg, &bg, 0, + offset_x, offset_y); + } + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + break; + + case GIMP_GRID_DOTS: + case GIMP_GRID_INTERSECTIONS: + case GIMP_GRID_SOLID: + gimp_cairo_set_source_rgb (cr, &fg); + break; + } +} + +void +gimp_canvas_set_pen_style (GtkWidget *canvas, + cairo_t *cr, + const GimpRGB *color, + gint width) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + g_return_if_fail (color != NULL); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + cairo_set_line_width (cr, width); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + gimp_cairo_set_source_rgb (cr, color); +} + +void +gimp_canvas_set_layer_style (GtkWidget *canvas, + cairo_t *cr, + GimpLayer *layer, + gdouble offset_x, + gdouble offset_y) +{ + cairo_pattern_t *pattern; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + g_return_if_fail (GIMP_IS_LAYER (layer)); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + if (gimp_layer_get_mask (layer) && + gimp_layer_get_edit_mask (layer)) + { + pattern = gimp_cairo_pattern_create_stipple (&layer_mask_fg, + &layer_mask_bg, + 0, + offset_x, offset_y); + } + else if (gimp_viewable_get_children (GIMP_VIEWABLE (layer))) + { + pattern = gimp_cairo_pattern_create_stipple (&layer_group_fg, + &layer_group_bg, + 0, + offset_x, offset_y); + } + else + { + pattern = gimp_cairo_pattern_create_stipple (&layer_fg, + &layer_bg, + 0, + offset_x, offset_y); + } + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +void +gimp_canvas_set_canvas_style (GtkWidget *canvas, + cairo_t *cr, + gdouble offset_x, + gdouble offset_y) +{ + cairo_pattern_t *pattern; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + pattern = gimp_cairo_pattern_create_stipple (&canvas_fg, + &canvas_bg, + 0, + offset_x, offset_y); + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +void +gimp_canvas_set_selection_out_style (GtkWidget *canvas, + cairo_t *cr, + gdouble offset_x, + gdouble offset_y) +{ + cairo_pattern_t *pattern; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + pattern = gimp_cairo_pattern_create_stipple (&selection_out_fg, + &selection_out_bg, + 0, + offset_x, offset_y); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +void +gimp_canvas_set_selection_in_style (GtkWidget *canvas, + cairo_t *cr, + gint index, + gdouble offset_x, + gdouble offset_y) +{ + cairo_pattern_t *pattern; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + pattern = gimp_cairo_pattern_create_stipple (&selection_in_fg, + &selection_in_bg, + index, + offset_x, offset_y); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +void +gimp_canvas_set_vectors_bg_style (GtkWidget *canvas, + cairo_t *cr, + gboolean active) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 3.0); + + if (active) + gimp_cairo_set_source_rgba (cr, &vectors_active_bg); + else + gimp_cairo_set_source_rgba (cr, &vectors_normal_bg); +} + +void +gimp_canvas_set_vectors_fg_style (GtkWidget *canvas, + cairo_t *cr, + gboolean active) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + + if (active) + gimp_cairo_set_source_rgba (cr, &vectors_active_fg); + else + gimp_cairo_set_source_rgba (cr, &vectors_normal_fg); +} + +void +gimp_canvas_set_outline_bg_style (GtkWidget *canvas, + cairo_t *cr) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + gimp_cairo_set_source_rgba (cr, &outline_bg); +} + +void +gimp_canvas_set_outline_fg_style (GtkWidget *canvas, + cairo_t *cr) +{ + static const double dashes[] = { 4.0, 4.0 }; + + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + gimp_cairo_set_source_rgba (cr, &outline_fg); + cairo_set_dash (cr, dashes, G_N_ELEMENTS (dashes), 0); +} + +void +gimp_canvas_set_passe_partout_style (GtkWidget *canvas, + cairo_t *cr) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + gimp_cairo_set_source_rgba (cr, &passe_partout); +} + +void +gimp_canvas_set_tool_bg_style (GtkWidget *canvas, + cairo_t *cr) +{ + g_return_if_fail (GTK_IS_WIDGET (canvas)); + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 3.0); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + gimp_cairo_set_source_rgba (cr, &tool_bg); +} + +void +gimp_canvas_set_tool_fg_style (GtkWidget *canvas, + cairo_t *cr, + gboolean highlight) +{ + g_return_if_fail (cr != NULL); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + if (highlight) + gimp_cairo_set_source_rgba (cr, &tool_fg_highlight); + else + gimp_cairo_set_source_rgba (cr, &tool_fg); +} |