diff options
Diffstat (limited to 'source/blender/editors/interface/interface_draw.c')
| -rw-r--r-- | source/blender/editors/interface/interface_draw.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_draw.c b/source/blender/editors/interface/interface_draw.c index 5486e12c6bf..7fc5c21f052 100644 --- a/source/blender/editors/interface/interface_draw.c +++ b/source/blender/editors/interface/interface_draw.c @@ -42,6 +42,7 @@ #include "BLI_utildefines.h" #include "BKE_colortools.h" +#include "BKE_node.h" #include "BKE_texture.h" #include "BKE_tracking.h" @@ -1685,6 +1686,71 @@ void ui_draw_but_TRACKPREVIEW(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wc glDisable(GL_BLEND); } +void ui_draw_but_NODESOCKET(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol), rcti *recti) +{ + static const float size = 5.0f; + + /* 16 values of sin function */ + static float si[16] = { + 0.00000000f, 0.39435585f, 0.72479278f, 0.93775213f, + 0.99871650f, 0.89780453f, 0.65137248f, 0.29936312f, + -0.10116832f, -0.48530196f, -0.79077573f, -0.96807711f, + -0.98846832f, -0.84864425f, -0.57126821f, -0.20129852f + }; + /* 16 values of cos function */ + static float co[16] = { + 1.00000000f, 0.91895781f, 0.68896691f, 0.34730525f, + -0.05064916f, -0.44039415f, -0.75875812f, -0.95413925f, + -0.99486932f, -0.87434661f, -0.61210598f, -0.25065253f, + 0.15142777f, 0.52896401f, 0.82076344f, 0.97952994f, + }; + + unsigned char *col = but->col; + int a; + GLint scissor[4]; + rcti scissor_new; + float x, y; + + x = 0.5f * (recti->xmin + recti->xmax); + y = 0.5f * (recti->ymin + recti->ymax); + + /* need scissor test, can draw outside of boundary */ + glGetIntegerv(GL_VIEWPORT, scissor); + scissor_new.xmin = ar->winrct.xmin + recti->xmin; + scissor_new.ymin = ar->winrct.ymin + recti->ymin; + scissor_new.xmax = ar->winrct.xmin + recti->xmax; + scissor_new.ymax = ar->winrct.ymin + recti->ymax; + BLI_rcti_isect(&scissor_new, &ar->winrct, &scissor_new); + glScissor(scissor_new.xmin, + scissor_new.ymin, + BLI_rcti_size_x(&scissor_new), + BLI_rcti_size_y(&scissor_new)); + + glColor4ubv(col); + + glEnable(GL_BLEND); + glBegin(GL_POLYGON); + for (a = 0; a < 16; a++) + glVertex2f(x + size * si[a], y + size * co[a]); + glEnd(); + glDisable(GL_BLEND); + + glColor4ub(0, 0, 0, 150); + + glEnable(GL_BLEND); + glEnable(GL_LINE_SMOOTH); + glBegin(GL_LINE_LOOP); + for (a = 0; a < 16; a++) + glVertex2f(x + size * si[a], y + size * co[a]); + glEnd(); + glDisable(GL_LINE_SMOOTH); + glDisable(GL_BLEND); + glLineWidth(1.0f); + + /* restore scissortest */ + glScissor(scissor[0], scissor[1], scissor[2], scissor[3]); +} + /* ****************************************************** */ |