WM: Add utility wmOrtho2_*** funcs

Currently there are inconsistencies with pixel alignment.
but this commit has no functional changes.

- wmOrtho2_region_ui for UI/Text.
- wmOrtho2_region_pixelspace for 2D drawing.
- wmOrtho2_pixelspace - when the region isn't used.

4 files changed, 6 insertions, 8 deletions

diff --git a/source/blender/editors/interface/interface.c b/source/blender/editors/interface/interface.c
index 695c8866d08..b987f970b9e 100644
--- a/source/blender/editors/interface/interface.c
+++ b/source/blender/editors/interface/interface.c
@@ -1347,8 +1347,8 @@ void uiDrawBlock(const bContext *C, uiBlock *block)
 	glMatrixMode(GL_MODELVIEW);
 	glPushMatrix();
 	glLoadIdentity();
-	
-	wmOrtho2(-0.01f, ar->winx - 0.01f, -0.01f, ar->winy - 0.01f);
+
+	wmOrtho2_region_ui(ar);
 	
 	/* back */
 	if (block->flag & UI_BLOCK_RADIAL)
diff --git a/source/blender/editors/interface/interface_regions.c b/source/blender/editors/interface/interface_regions.c
index 1960c77bc95..efcbc2ab4d5 100644
--- a/source/blender/editors/interface/interface_regions.c
+++ b/source/blender/editors/interface/interface_regions.c
@@ -1020,7 +1020,7 @@ static void ui_searchbox_region_draw_cb(const bContext *UNUSED(C), ARegion *ar)
 	uiSearchboxData *data = ar->regiondata;
 	
 	/* pixel space */
-	wmOrtho2(-0.01f, ar->winx - 0.01f, -0.01f, ar->winy - 0.01f);
+	wmOrtho2_region_ui(ar);
 
 	if (data->noback == false)
 		ui_draw_search_back(NULL, NULL, &data->bbox);  /* style not used yet */
diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 05418d8d451..739e7be7328 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -107,10 +107,7 @@ static void region_draw_emboss(ARegion *ar, rcti *scirct)
 
 void ED_region_pixelspace(ARegion *ar)
 {
-	int width  = BLI_rcti_size_x(&ar->winrct) + 1;
-	int height = BLI_rcti_size_y(&ar->winrct) + 1;
-	
-	wmOrtho2(-GLA_PIXEL_OFS, (float)width - GLA_PIXEL_OFS, -GLA_PIXEL_OFS, (float)height - GLA_PIXEL_OFS);
+	wmOrtho2_region_pixelspace(ar);
 	glLoadIdentity();
 }
 
diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index b760d9f5aa8..0358c1abce2 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -3056,7 +3056,8 @@ void draw_nodespace_back_pix(const bContext *C, ARegion *ar, SpaceNode *snode, b
 		
 		glaDefine2DArea(&ar->winrct);
 		/* ortho at pixel level curarea */
-		wmOrtho2(-GLA_PIXEL_OFS, ar->winx - GLA_PIXEL_OFS, -GLA_PIXEL_OFS, ar->winy - GLA_PIXEL_OFS);
+		/* almost #wmOrtho2_region_pixelspace, but no +1 px */
+		wmOrtho2_pixelspace(ar->winx, ar->winy);
 		
 		x = (ar->winx - snode->zoom * ibuf->x) / 2 + snode->xof;
 		y = (ar->winy - snode->zoom * ibuf->y) / 2 + snode->yof;