1 files changed, 298 insertions, 0 deletions
diff --git a/source/blender/editors/space_image/image_edit.c b/source/blender/editors/space_image/image_edit.c
new file mode 100644
index 00000000000..725c76d8bb6
--- /dev/null
+++ b/source/blender/editors/space_image/image_edit.c
@@ -0,0 +1,298 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2008 Blender Foundation.
+ * All rights reserved.
+ *
+ *
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/space_image/image_editor.c
+ *  \ingroup spimage
+ */
+
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "BLI_math.h"
+
+#include "BKE_image.h"
+#include "BKE_global.h"
+#include "BKE_main.h"
+#include "BKE_tessmesh.h"
+
+#include "IMB_imbuf_types.h"
+
+#include "ED_image.h"  /* own include */
+#include "ED_mesh.h"
+#include "ED_screen.h"
+#include "ED_uvedit.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+/* note; image_panel_properties() uses pointer to sima->image directly */
+Image *ED_space_image(SpaceImage *sima)
+{
+	return sima->image;
+}
+
+/* called to assign images to UV faces */
+void ED_space_image_set(SpaceImage *sima, Scene *scene, Object *obedit, Image *ima)
+{
+	/* context may be NULL, so use global */
+	ED_uvedit_assign_image(G.main, scene, obedit, ima, sima->image);
+
+	/* change the space ima after because uvedit_face_visible_test uses the space ima
+	 * to check if the face is displayed in UV-localview */
+	sima->image = ima;
+
+	if (ima == NULL || ima->type == IMA_TYPE_R_RESULT || ima->type == IMA_TYPE_COMPOSITE)
+		sima->flag &= ~SI_DRAWTOOL;
+
+	if (sima->image)
+		BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_USER_NEW_IMAGE);
+
+	if (sima->image && sima->image->id.us == 0)
+		sima->image->id.us = 1;
+
+	if (obedit)
+		WM_main_add_notifier(NC_GEOM | ND_DATA, obedit->data);
+
+	WM_main_add_notifier(NC_SPACE | ND_SPACE_IMAGE, NULL);
+}
+
+ImBuf *ED_space_image_acquire_buffer(SpaceImage *sima, void **lock_r)
+{
+	ImBuf *ibuf;
+
+	if (sima && sima->image) {
+#if 0
+		if (sima->image->type == IMA_TYPE_R_RESULT && BIF_show_render_spare())
+			return BIF_render_spare_imbuf();
+		else
+#endif
+		ibuf = BKE_image_acquire_ibuf(sima->image, &sima->iuser, lock_r);
+
+		if (ibuf && (ibuf->rect || ibuf->rect_float))
+			return ibuf;
+	}
+
+	return NULL;
+}
+
+void ED_space_image_release_buffer(SpaceImage *sima, void *lock)
+{
+	if (sima && sima->image)
+		BKE_image_release_ibuf(sima->image, lock);
+}
+
+int ED_space_image_has_buffer(SpaceImage *sima)
+{
+	ImBuf *ibuf;
+	void *lock;
+	int has_buffer;
+
+	ibuf = ED_space_image_acquire_buffer(sima, &lock);
+	has_buffer = (ibuf != NULL);
+	ED_space_image_release_buffer(sima, lock);
+
+	return has_buffer;
+}
+
+void ED_image_size(Image *ima, int *width, int *height)
+{
+	ImBuf *ibuf = NULL;
+	void *lock;
+
+	if (ima)
+		ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
+
+	if (ibuf && ibuf->x > 0 && ibuf->y > 0) {
+		*width = ibuf->x;
+		*height = ibuf->y;
+	}
+	else {
+		*width = 256;
+		*height = 256;
+	}
+
+	if (ima)
+		BKE_image_release_ibuf(ima, lock);
+}
+
+void ED_space_image_size(SpaceImage *sima, int *width, int *height)
+{
+	Scene *scene = sima->iuser.scene;
+	ImBuf *ibuf;
+	void *lock;
+
+	ibuf = ED_space_image_acquire_buffer(sima, &lock);
+
+	if (ibuf && ibuf->x > 0 && ibuf->y > 0) {
+		*width = ibuf->x;
+		*height = ibuf->y;
+	}
+	else if (sima->image && sima->image->type == IMA_TYPE_R_RESULT && scene) {
+		/* not very important, just nice */
+		*width = (scene->r.xsch * scene->r.size) / 100;
+		*height = (scene->r.ysch * scene->r.size) / 100;
+
+		if ((scene->r.mode & R_BORDER) && (scene->r.mode & R_CROP)) {
+			*width *= (scene->r.border.xmax - scene->r.border.xmin);
+			*height *= (scene->r.border.ymax - scene->r.border.ymin);
+		}
+
+	}
+	/* I know a bit weak... but preview uses not actual image size */
+	// XXX else if (image_preview_active(sima, width, height));
+	else {
+		*width = 256;
+		*height = 256;
+	}
+
+	ED_space_image_release_buffer(sima, lock);
+}
+
+void ED_image_aspect(Image *ima, float *aspx, float *aspy)
+{
+	*aspx = *aspy = 1.0;
+
+	if ((ima == NULL) || (ima->type == IMA_TYPE_R_RESULT) || (ima->type == IMA_TYPE_COMPOSITE) ||
+	    (ima->aspx == 0.0f || ima->aspy == 0.0f))
+	{
+		return;
+	}
+
+	/* x is always 1 */
+	*aspy = ima->aspy / ima->aspx;
+}
+
+void ED_space_image_aspect(SpaceImage *sima, float *aspx, float *aspy)
+{
+	ED_image_aspect(ED_space_image(sima), aspx, aspy);
+}
+
+void ED_space_image_zoom(SpaceImage *sima, ARegion *ar, float *zoomx, float *zoomy)
+{
+	int width, height;
+
+	ED_space_image_size(sima, &width, &height);
+
+	*zoomx = (float)(ar->winrct.xmax - ar->winrct.xmin + 1) / (float)((ar->v2d.cur.xmax - ar->v2d.cur.xmin) * width);
+	*zoomy = (float)(ar->winrct.ymax - ar->winrct.ymin + 1) / (float)((ar->v2d.cur.ymax - ar->v2d.cur.ymin) * height);
+}
+
+void ED_space_image_uv_aspect(SpaceImage *sima, float *aspx, float *aspy)
+{
+	int w, h;
+
+	ED_space_image_aspect(sima, aspx, aspy);
+	ED_space_image_size(sima, &w, &h);
+
+	*aspx *= (float)w;
+	*aspy *= (float)h;
+
+	if (*aspx < *aspy) {
+		*aspy = *aspy / *aspx;
+		*aspx = 1.0f;
+	}
+	else {
+		*aspx = *aspx / *aspy;
+		*aspy = 1.0f;
+	}
+}
+
+void ED_image_uv_aspect(Image *ima, float *aspx, float *aspy)
+{
+	int w, h;
+
+	ED_image_aspect(ima, aspx, aspy);
+	ED_image_size(ima, &w, &h);
+
+	*aspx *= (float)w;
+	*aspy *= (float)h;
+}
+
+int ED_space_image_show_render(SpaceImage *sima)
+{
+	return (sima->image && ELEM(sima->image->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE));
+}
+
+int ED_space_image_show_paint(SpaceImage *sima)
+{
+	if (ED_space_image_show_render(sima))
+		return 0;
+
+	return (sima->flag & SI_DRAWTOOL);
+}
+
+int ED_space_image_show_uvedit(SpaceImage *sima, Object *obedit)
+{
+	if (sima && (ED_space_image_show_render(sima) || ED_space_image_show_paint(sima)))
+		return 0;
+
+	if (obedit && obedit->type == OB_MESH) {
+		struct BMEditMesh *em = BMEdit_FromObject(obedit);
+		int ret;
+
+		ret = EDBM_mtexpoly_check(em);
+
+		return ret;
+	}
+
+	return 0;
+}
+
+int ED_space_image_show_uvshadow(SpaceImage *sima, Object *obedit)
+{
+	if (ED_space_image_show_render(sima))
+		return 0;
+
+	if (ED_space_image_show_paint(sima))
+		if (obedit && obedit->type == OB_MESH) {
+			struct BMEditMesh *em = BMEdit_FromObject(obedit);
+			int ret;
+
+			ret = EDBM_mtexpoly_check(em);
+
+			return ret;
+		}
+
+	return 0;
+}
+
+/******************** TODO ********************/
+
+/* XXX notifier? */
+
+/* goes over all ImageUsers, and sets frame numbers if auto-refresh is set */
+
+static void image_update_frame(struct Image *UNUSED(ima), struct ImageUser *iuser, void *customdata)
+{
+	int cfra = *(int *)customdata;
+
+	BKE_image_user_check_frame_calc(iuser, cfra, 0);
+}
+
+void ED_image_update_frame(const Main *mainp, int cfra)
+{
+	BKE_image_walk_all_users(mainp, &cfra, image_update_frame);
+}