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-rw-r--r--libdimension/model/pigments/canvas_pigment.c57
-rw-r--r--libdimension/model/pigments/pigment_map.c96
-rw-r--r--libdimension/model/pigments/solid_pigment.c35
3 files changed, 188 insertions, 0 deletions
diff --git a/libdimension/model/pigments/canvas_pigment.c b/libdimension/model/pigments/canvas_pigment.c
new file mode 100644
index 0000000..bb83b0a
--- /dev/null
+++ b/libdimension/model/pigments/canvas_pigment.c
@@ -0,0 +1,57 @@
+/*************************************************************************
+ * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * Image maps.
+ */
+
+#include "dimension/model.h"
+
+/// Canvas pigment type.
+typedef struct dmnsn_canvas_pigment {
+ dmnsn_pigment pigment;
+ dmnsn_canvas *canvas;
+} dmnsn_canvas_pigment;
+
+/// Canvas pigment color callback.
+static dmnsn_tcolor
+dmnsn_canvas_pigment_fn(const dmnsn_pigment *pigment, dmnsn_vector v)
+{
+ const dmnsn_canvas_pigment *canvas_pigment = (const dmnsn_canvas_pigment *)pigment;
+ dmnsn_canvas *canvas = canvas_pigment->canvas;
+
+ size_t x = llround((fmod(v.x, 1.0) + 1.0)*(canvas->width - 1));
+ size_t y = llround((fmod(v.y, 1.0) + 1.0)*(canvas->height - 1));
+ return dmnsn_canvas_get_pixel(canvas, x%canvas->width, y%canvas->height);
+}
+
+// Create a canvas color
+dmnsn_pigment *
+dmnsn_new_canvas_pigment(dmnsn_pool *pool, dmnsn_canvas *canvas)
+{
+ dmnsn_canvas_pigment *canvas_pigment = DMNSN_PALLOC(pool, dmnsn_canvas_pigment);
+ canvas_pigment->canvas = canvas;
+
+ dmnsn_pigment *pigment = &canvas_pigment->pigment;
+ dmnsn_init_pigment(pigment);
+ pigment->pigment_fn = dmnsn_canvas_pigment_fn;
+ return pigment;
+}
diff --git a/libdimension/model/pigments/pigment_map.c b/libdimension/model/pigments/pigment_map.c
new file mode 100644
index 0000000..a74a66a
--- /dev/null
+++ b/libdimension/model/pigments/pigment_map.c
@@ -0,0 +1,96 @@
+/*************************************************************************
+ * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * Pigment-mapped pigment patterns.
+ */
+
+#include "dimension/model.h"
+
+/// Initialize a pigment in a pigment map.
+static void
+dmnsn_initialize_mapped_pigment(void *ptr)
+{
+ dmnsn_pigment **pigment = ptr;
+ dmnsn_pigment_initialize(*pigment);
+}
+
+dmnsn_map *
+dmnsn_new_pigment_map(dmnsn_pool *pool)
+{
+ return dmnsn_new_map(pool, sizeof(dmnsn_pigment *));
+}
+
+/// Pigment map type.
+typedef struct dmnsn_pigment_map {
+ dmnsn_pigment pigment;
+ dmnsn_pattern *pattern;
+ dmnsn_map *map;
+ dmnsn_pigment_map_flags flags;
+} dmnsn_pigment_map;
+
+/// pigment_map pigment callback.
+static dmnsn_tcolor
+dmnsn_pigment_map_pigment_fn(const dmnsn_pigment *pigment, dmnsn_vector v)
+{
+ const dmnsn_pigment_map *pigment_map = (const dmnsn_pigment_map *)pigment;
+ double n;
+ dmnsn_pigment *pigment1, *pigment2;
+ dmnsn_map_evaluate(pigment_map->map,
+ dmnsn_pattern_value(pigment_map->pattern, v),
+ &n, &pigment1, &pigment2);
+ dmnsn_tcolor color1 = dmnsn_pigment_evaluate(pigment1, v);
+ dmnsn_tcolor color2 = dmnsn_pigment_evaluate(pigment2, v);
+
+ if (pigment_map->flags == DMNSN_PIGMENT_MAP_SRGB) {
+ color1.c = dmnsn_color_to_sRGB(color1.c);
+ color2.c = dmnsn_color_to_sRGB(color2.c);
+ }
+ dmnsn_tcolor ret = dmnsn_tcolor_gradient(color1, color2, n);
+ if (pigment_map->flags == DMNSN_PIGMENT_MAP_SRGB) {
+ ret.c = dmnsn_color_from_sRGB(ret.c);
+ }
+
+ return ret;
+}
+
+/// pigment_map initialization callback.
+static void
+dmnsn_pigment_map_initialize_fn(dmnsn_pigment *pigment)
+{
+ dmnsn_pigment_map *pigment_map = (dmnsn_pigment_map *)pigment;
+ dmnsn_map_apply(pigment_map->map, dmnsn_initialize_mapped_pigment);
+}
+
+dmnsn_pigment *
+dmnsn_new_pigment_map_pigment(dmnsn_pool *pool, dmnsn_pattern *pattern, dmnsn_map *map, dmnsn_pigment_map_flags flags)
+{
+ dmnsn_pigment_map *pigment_map = DMNSN_PALLOC(pool, dmnsn_pigment_map);
+ pigment_map->pattern = pattern;
+ pigment_map->map = map;
+ pigment_map->flags = flags;
+
+ dmnsn_pigment *pigment = &pigment_map->pigment;
+ dmnsn_init_pigment(pigment);
+ pigment->pigment_fn = dmnsn_pigment_map_pigment_fn;
+ pigment->initialize_fn = dmnsn_pigment_map_initialize_fn;
+ return pigment;
+}
diff --git a/libdimension/model/pigments/solid_pigment.c b/libdimension/model/pigments/solid_pigment.c
new file mode 100644
index 0000000..bdbd724
--- /dev/null
+++ b/libdimension/model/pigments/solid_pigment.c
@@ -0,0 +1,35 @@
+/*************************************************************************
+ * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * Solid color pigments.
+ */
+
+#include "dimension/model.h"
+
+// Create a solid color
+dmnsn_pigment *
+dmnsn_new_solid_pigment(dmnsn_pool *pool, dmnsn_tcolor color)
+{
+ dmnsn_pigment *pigment = dmnsn_new_pigment(pool);
+ pigment->quick_color = color;
+ return pigment;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 20:38:05 +0000