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authorPablo Martín <caedesv@users.sourceforge.net>2003-09-07 21:45:05 +0000
committerPablo Martín <caedesv@users.sourceforge.net>2003-09-07 21:45:05 +0000
commit213978fa8a868661dda88e6b4e7cacec1c90677a (patch)
treeada4aa53b2e25926c93bc1d4f2d19cbd018d1493 /modules/image_basic/pdp_zoom.c
parent599a8e20c02fa48bab5102d15fab79dd6b631c95 (diff)
Updating pdp to current version 0.12.2
svn path=/trunk/externals/pdp/; revision=941
Diffstat (limited to 'modules/image_basic/pdp_zoom.c')
-rw-r--r--modules/image_basic/pdp_zoom.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/modules/image_basic/pdp_zoom.c b/modules/image_basic/pdp_zoom.c
new file mode 100644
index 0000000..48ba167
--- /dev/null
+++ b/modules/image_basic/pdp_zoom.c
@@ -0,0 +1,221 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.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 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_imagebase.h"
+
+
+
+typedef struct pdp_zoom_struct
+{
+ t_pdp_imagebase x_base;
+
+ int x_packet1;
+ t_outlet *x_outlet0;
+ void *x_zoom;
+
+ int x_quality; //not used
+
+
+} t_pdp_zoom;
+
+
+static void pdp_zoom_process(t_pdp_zoom *x)
+{
+ int p0 = pdp_base_get_packet(x, 0);
+ u32 mask = pdp_imagebase_get_chanmask(x);
+ pdp_imageproc_dispatch_2buf(&pdp_imageproc_resample_affinemap_process, x->x_zoom, mask, p0, x->x_packet1);
+}
+
+static void pdp_zoom_postproc(t_pdp_zoom *x)
+{
+ /* delete source packet */
+ pdp_packet_mark_unused(pdp_base_move_packet(x, 0));
+
+ /* unregister and propagate if valid dest packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+}
+
+static void pdp_zoom_preproc(t_pdp_zoom *x)
+{
+ int p = pdp_base_get_packet(x, 0);
+ t_pdp *header0 = pdp_packet_header(p);
+ if ((header0) && (PDP_IMAGE == header0->type)){
+ x->x_packet1 = pdp_packet_clone_rw(p);
+ }
+
+}
+
+
+
+static void pdp_zoom_zoom_x(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_imageproc_resample_affinemap_setzoomx(x->x_zoom, f);
+}
+
+static void pdp_zoom_angle(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_imageproc_resample_affinemap_setangle(x->x_zoom, f);
+}
+
+static void pdp_zoom_zoom_y(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_imageproc_resample_affinemap_setzoomy(x->x_zoom, f);
+}
+
+static void pdp_zoom_zoom(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_zoom_zoom_x(x, f);
+ pdp_zoom_zoom_y(x, f);
+}
+
+static void pdp_zoom_center_x(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_imageproc_resample_affinemap_setcenterx(x->x_zoom, f);
+}
+
+static void pdp_zoom_center_y(t_pdp_zoom *x, t_floatarg f)
+{
+ pdp_imageproc_resample_affinemap_setcentery(x->x_zoom, f);
+}
+static void pdp_zoom_center(t_pdp_zoom *x, t_floatarg fx, t_floatarg fy)
+{
+ pdp_zoom_center_x(x, fx);
+ pdp_zoom_center_y(x, fy);
+}
+
+// not used
+static void pdp_zoom_quality(t_pdp_zoom *x, t_floatarg f)
+{
+ if (f==0) x->x_quality = 0;
+ if (f==1) x->x_quality = 1;
+}
+
+
+t_class *pdp_zoom_class;
+
+
+
+void pdp_zoom_free(t_pdp_zoom *x)
+{
+ pdp_imagebase_free(x);
+ pdp_imageproc_resample_affinemap_delete(x->x_zoom);
+ pdp_packet_mark_unused(x->x_packet1);
+}
+
+
+void pdp_zoom_init_common(t_pdp_zoom *x)
+{
+ pdp_imagebase_init(x);
+ pdp_base_set_process_method(x, (t_pdp_method)pdp_zoom_process);
+ pdp_base_set_postproc_method(x, (t_pdp_method)pdp_zoom_postproc);
+ pdp_base_set_preproc_method(x, (t_pdp_method)pdp_zoom_preproc);
+
+ x->x_outlet0 = pdp_base_add_pdp_outlet(x);
+ x->x_packet1 = -1;
+ x->x_zoom = pdp_imageproc_resample_affinemap_new();
+
+ //quality is not used: all routines are "high quality" bilinear
+ //pdp_zoom_quality(x, 1);
+ pdp_zoom_center_x(x, 0.5f);
+ pdp_zoom_center_y(x, 0.5f);
+
+}
+
+
+void *pdp_zoom_new(t_floatarg zoom)
+{
+ t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
+
+ pdp_zoom_init_common(x);
+ pdp_base_add_gen_inlet(x, gensym("float"), gensym("zoom"));
+
+ if (zoom == 0.0f) zoom = 1.0f;
+ pdp_zoom_zoom(x, zoom);
+ pdp_zoom_angle(x, 0.0f);
+
+ return (void *)x;
+}
+
+void *pdp_zrot_new(t_floatarg zoom, t_floatarg angle)
+{
+ t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
+
+ pdp_zoom_init_common(x);
+ pdp_base_add_gen_inlet(x, gensym("float"), gensym("zoom"));
+ pdp_base_add_gen_inlet(x, gensym("float"), gensym("angle"));
+
+
+ if (zoom == 0.0f) zoom = 1.0f;
+ pdp_zoom_zoom(x, zoom);
+ pdp_zoom_angle(x, angle);
+
+ return (void *)x;
+}
+
+void *pdp_rotate_new(t_floatarg angle)
+{
+ t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
+
+ pdp_zoom_init_common(x);
+
+ pdp_base_add_gen_inlet(x, gensym("float"), gensym("angle"));
+
+ pdp_zoom_zoom(x, 1.0f);
+ pdp_zoom_angle(x, angle);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_zoom_setup(void)
+{
+
+ pdp_zoom_class = class_new(gensym("pdp_zoom"), (t_newmethod)pdp_zoom_new,
+ (t_method)pdp_zoom_free, sizeof(t_pdp_zoom), 0, A_DEFFLOAT, A_NULL);
+
+ class_addcreator((t_newmethod)pdp_zrot_new, gensym("pdp_zrot"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+ class_addcreator((t_newmethod)pdp_rotate_new, gensym("pdp_rotate"), A_DEFFLOAT, A_NULL);
+
+ pdp_imagebase_setup(pdp_zoom_class);
+
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_quality, gensym("quality"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center_x, gensym("centerx"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center_y, gensym("centery"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center, gensym("center"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom_x, gensym("zoomx"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom_y, gensym("zoomy"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom, gensym("zoom"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_angle, gensym("angle"), A_FLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif