[Bf-blender-cvs] [fe03bc2] master: Support rotation and flipping for background images, patch by Andre D. (T34583) with minor changes. Thanks for the patch!
Antony Riakiotakis
noreply at git.blender.org
Wed Feb 4 15:05:50 CET 2015
Commit: fe03bc2a02a0c9e5ecd554f72839ae0a407a8e86
Author: Antony Riakiotakis
Date: Wed Feb 4 15:05:22 2015 +0100
Branches: master
https://developer.blender.org/rBfe03bc2a02a0c9e5ecd554f72839ae0a407a8e86
Support rotation and flipping for background images, patch by Andre D.
(T34583) with minor changes. Thanks for the patch!
===================================================================
M release/scripts/startup/bl_ui/space_view3d.py
M source/blender/editors/space_view3d/view3d_draw.c
M source/blender/editors/space_view3d/view3d_edit.c
M source/blender/makesdna/DNA_view3d_types.h
M source/blender/makesrna/intern/rna_space.c
===================================================================
diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index c45d639..265163d 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -3177,12 +3177,19 @@ class VIEW3D_PT_background_image(Panel):
if bg.view_axis in {'CAMERA', 'ALL'}:
col.row().prop(bg, "frame_method", expand=True)
- row = col.row(align=True)
+ box = col.box()
+ row = box.row()
row.prop(bg, "offset_x", text="X")
row.prop(bg, "offset_y", text="Y")
+ row = box.row()
+ row.prop(bg, "flip_h")
+ row.prop(bg, "flip_v")
+
+ row = box.row()
if bg.view_axis != 'CAMERA':
- col.prop(bg, "size")
+ row.prop(bg, "rotation")
+ row.prop(bg, "size")
class VIEW3D_PT_transform_orientations(Panel):
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index 1a57e63..49cb24f 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -1615,7 +1615,7 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
{
float image_aspect[2];
float fac, asp, zoomx, zoomy;
- float x1, y1, x2, y2;
+ float x1, y1, x2, y2, centx, centy;
ImBuf *ibuf = NULL, *freeibuf, *releaseibuf;
void *lock;
@@ -1721,6 +1721,9 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
y2 += yof_scale;
}
+ centx = (x1 + x2) / 2.0f;
+ centy = (y1 + y2) / 2.0f;
+
/* aspect correction */
if (bgpic->flag & V3D_BGPIC_CAMERA_ASPECT) {
/* apply aspect from clip */
@@ -1738,16 +1741,14 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
if ((asp_src > asp_dst) == ((bgpic->flag & V3D_BGPIC_CAMERA_CROP) != 0)) {
/* fit X */
const float div = asp_src / asp_dst;
- const float cent = (x1 + x2) / 2.0f;
- x1 = ((x1 - cent) * div) + cent;
- x2 = ((x2 - cent) * div) + cent;
+ x1 = ((x1 - centx) * div) + centx;
+ x2 = ((x2 - centx) * div) + centx;
}
else {
/* fit Y */
const float div = asp_dst / asp_src;
- const float cent = (y1 + y2) / 2.0f;
- y1 = ((y1 - cent) * div) + cent;
- y2 = ((y2 - cent) * div) + cent;
+ y1 = ((y1 - centy) * div) + centy;
+ y2 = ((y2 - centy) * div) + centy;
}
}
}
@@ -1774,6 +1775,9 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
y1 = sco[1] + asp * fac * (bgpic->yof - bgpic->size);
x2 = sco[0] + fac * (bgpic->xof + bgpic->size);
y2 = sco[1] + asp * fac * (bgpic->yof + bgpic->size);
+
+ centx = (x1 + x2) / 2.0f;
+ centy = (y1 + y2) / 2.0f;
}
/* complete clip? */
@@ -1824,6 +1828,19 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
glPushMatrix();
ED_region_pixelspace(ar);
+ glTranslatef(centx, centy, 0.0);
+ if(rv3d->persp != RV3D_CAMOB) {
+ glRotatef(RAD2DEGF(-bgpic->rotation), 0.0f, 0.0f, 1.0f);
+ }
+
+ if(bgpic->flag & V3D_BGPIC_FLIP_V) {
+ zoomy *= -1.0f;
+ y1 = y2;
+ }
+ if(bgpic->flag & V3D_BGPIC_FLIP_H) {
+ zoomx *= -1.0f;
+ x1 = x2;
+ }
glPixelZoom(zoomx, zoomy);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f - bgpic->blend);
@@ -1831,7 +1848,7 @@ static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d,
* glaDrawPixelsSafe in some cases, which will end up in missing
* alpha transparency for the background image (sergey)
*/
- glaDrawPixelsTex(x1, y1, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect);
+ glaDrawPixelsTex(x1 - centx, y1 - centy, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect);
glPixelZoom(1.0, 1.0);
glPixelTransferf(GL_ALPHA_SCALE, 1.0f);
diff --git a/source/blender/editors/space_view3d/view3d_edit.c b/source/blender/editors/space_view3d/view3d_edit.c
index 7a1cd88..e6f61fb 100644
--- a/source/blender/editors/space_view3d/view3d_edit.c
+++ b/source/blender/editors/space_view3d/view3d_edit.c
@@ -5004,8 +5004,9 @@ BGpic *ED_view3D_background_image_new(View3D *v3d)
{
BGpic *bgpic = MEM_callocN(sizeof(BGpic), "Background Image");
- bgpic->size = 5.0;
- bgpic->blend = 0.5;
+ bgpic->rotation = 0.0f;
+ bgpic->size = 5.0f;
+ bgpic->blend = 0.5f;
bgpic->iuser.fie_ima = 2;
bgpic->iuser.ok = 1;
bgpic->view = 0; /* 0 for all */
diff --git a/source/blender/makesdna/DNA_view3d_types.h b/source/blender/makesdna/DNA_view3d_types.h
index 069ea7a..0c290ab 100644
--- a/source/blender/makesdna/DNA_view3d_types.h
+++ b/source/blender/makesdna/DNA_view3d_types.h
@@ -74,10 +74,11 @@ typedef struct BGpic {
struct ImageUser iuser;
struct MovieClip *clip;
struct MovieClipUser cuser;
- float xof, yof, size, blend;
+ float xof, yof, size, blend, rotation;
short view;
short flag;
- short source, pad;
+ short source;
+ char pad[6];
} BGpic;
/* ********************************* */
@@ -340,7 +341,11 @@ enum {
/* Camera framing options */
V3D_BGPIC_CAMERA_ASPECT = (1 << 5), /* don't stretch to fit the camera view */
- V3D_BGPIC_CAMERA_CROP = (1 << 6) /* crop out the image */
+ V3D_BGPIC_CAMERA_CROP = (1 << 6), /* crop out the image */
+
+ /* Axis flip options */
+ V3D_BGPIC_FLIP_H = (1 << 7),
+ V3D_BGPIC_FLIP_V = (1 << 8)
};
#define V3D_BGPIC_EXPANDED (V3D_BGPIC_EXPANDED | V3D_BGPIC_CAMERACLIP)
diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c
index ff9df16..7eaf737 100644
--- a/source/blender/makesrna/intern/rna_space.c
+++ b/source/blender/makesrna/intern/rna_space.c
@@ -1700,7 +1700,22 @@ static void rna_def_background_image(BlenderRNA *brna)
RNA_def_property_ui_text(prop, "Size", "Scaling factor for the background image");
RNA_def_property_range(prop, 0.0, FLT_MAX);
RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
-
+
+ prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_EULER);
+ RNA_def_property_float_sdna(prop, NULL, "rotation");
+ RNA_def_property_ui_text(prop, "Rotation", "Rotation for the background image");
+ RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
+
+ prop = RNA_def_property(srna, "flip_h", PROP_BOOLEAN, PROP_NONE);
+ RNA_def_property_boolean_sdna(prop, NULL, "flag", V3D_BGPIC_FLIP_H);
+ RNA_def_property_ui_text(prop, "Flip Horizontally", "Flip the background image horizontally");
+ RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
+
+ prop = RNA_def_property(srna, "flip_v", PROP_BOOLEAN, PROP_NONE);
+ RNA_def_property_boolean_sdna(prop, NULL, "flag", V3D_BGPIC_FLIP_V);
+ RNA_def_property_ui_text(prop, "Flip Vertically", "Flip the background image vertically");
+ RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);
+
prop = RNA_def_property(srna, "opacity", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "blend");
RNA_def_property_float_funcs(prop, "rna_BackgroundImage_opacity_get", "rna_BackgroundImage_opacity_set", NULL);
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