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rgb color display options for compo backdrop.

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This commit is contained in:
Campbell Barton 2012-07-06 09:22:59 +00:00
parent 1b6a4c1c9b
commit 3b559c8cc8
3 changed files with 25 additions and 1 deletions
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20
source/blender/editors/space_node/drawnode.c
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@ -2951,7 +2951,25 @@ void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
}
if (ibuf->rect) {
if (snode->flag & SNODE_SHOW_ALPHA) {
if (snode->flag & (SNODE_SHOW_R | SNODE_SHOW_G | SNODE_SHOW_B)) {
int ofs;
if (snode->flag & SNODE_SHOW_R) ofs = 1;
else if (snode->flag & SNODE_SHOW_G) ofs = 2;
else ofs = 3;
if (ENDIAN_ORDER == B_ENDIAN) {
ofs = 3 - ofs;
}
glPixelZoom(snode->zoom, snode->zoom);
/* swap bytes, so alpha is most significant one, then just draw it as luminance int */
glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_LUMINANCE, GL_UNSIGNED_INT, ((unsigned char *)ibuf->rect) + ofs);
glPixelZoom(1.0f, 1.0f);
}
else if (snode->flag & SNODE_SHOW_ALPHA) {
glPixelZoom(snode->zoom, snode->zoom);
/* swap bytes, so alpha is most significant one, then just draw it as luminance int */
if (ENDIAN_ORDER == B_ENDIAN)

3
source/blender/makesdna/DNA_space_types.h
View File

@ -879,6 +879,9 @@ typedef enum eSpaceNode_Flag {
/* SNODE_DISPGP = (1 << 2), */ /* XXX: Grease Pencil - deprecated? */
SNODE_USE_ALPHA = (1 << 3),
SNODE_SHOW_ALPHA = (1 << 4),
SNODE_SHOW_R = (1 << 7),
SNODE_SHOW_G = (1 << 8),
SNODE_SHOW_B = (1 << 9),
SNODE_AUTO_RENDER = (1 << 5),
SNODE_SHOW_HIGHLIGHT = (1 << 6),
} eSpaceNode_Flag;

3
source/blender/makesrna/intern/rna_space.c
View File

@ -2852,6 +2852,9 @@ static void rna_def_space_node(BlenderRNA *brna)
{SNODE_USE_ALPHA, "COLOR_ALPHA", ICON_IMAGE_RGB_ALPHA, "Color and Alpha",
"Draw image with RGB colors and alpha transparency"},
{SNODE_SHOW_ALPHA, "ALPHA", ICON_IMAGE_ALPHA, "Alpha", "Draw alpha transparency channel"},
{SNODE_SHOW_R, "RED", 0, "Red", ""},
{SNODE_SHOW_G, "GREEN", 0, "Green", ""},
{SNODE_SHOW_B, "BLUE", 0, "Blue", ""},
{0, NULL, 0, NULL, NULL}
};