Cr8-xyz/blender
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

hue correct node: draw hsv backdrop with full alpha.

Browse Source
This commit is contained in:
Campbell Barton
2012-06-21 15:03:30 +00:00
parent 84c0aee254
commit 038e5b2255
1 changed files with 46 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
source/blender/editors/interface/interface_draw.c
View File

@@ -1310,7 +1310,7 @@ static void ui_draw_but_curve_grid(rcti *rect, float zoomx, float zoomy, float o
fx = rect->xmin + zoomx * (-offsx);
if (fx > rect->xmin) fx -= dx * (floorf(fx - rect->xmin));
while (fx < rect->xmax) {
glVertex2f(fx, rect->ymin);
glVertex2f(fx, rect->ymin);
glVertex2f(fx, rect->ymax);
fx += dx;
}
@@ -1319,7 +1319,7 @@ static void ui_draw_but_curve_grid(rcti *rect, float zoomx, float zoomy, float o
fy = rect->ymin + zoomy * (-offsy);
if (fy > rect->ymin) fy -= dy * (floorf(fy - rect->ymin));
while (fy < rect->ymax) {
glVertex2f(rect->xmin, fy);
glVertex2f(rect->xmin, fy);
glVertex2f(rect->xmax, fy);
fy += dy;
}
@@ -1363,53 +1363,54 @@ void ui_draw_but_CURVE(ARegion *ar, uiBut *but, uiWidgetColors *wcol, rcti *rect
offsy = cumap->curr.ymin - but->aspect / zoomy;
/* backdrop */
if (cumap->flag & CUMA_DO_CLIP) {
gl_shaded_color((unsigned char *)wcol->inner, -20);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin + zoomx * (cumap->clipr.xmin - offsx),
rect->ymin + zoomy * (cumap->clipr.ymin - offsy),
rect->xmin + zoomx * (cumap->clipr.xmax - offsx),
rect->ymin + zoomy * (cumap->clipr.ymax - offsy));
if (but->a1 == UI_GRAD_H) {
/* magic trigger for curve backgrounds */
rcti grid;
float col[3] = {0.0f, 0.0f, 0.0f}; /* dummy arg */
grid.xmin = rect->xmin + zoomx * (-offsx);
grid.xmax = rect->xmax + zoomx * (-offsx);
grid.ymin = rect->ymin + zoomy * (-offsy);
grid.ymax = rect->ymax + zoomy * (-offsy);
ui_draw_gradient(&grid, col, UI_GRAD_H, 1.0f);
/* grid, hsv uses different grid */
gl_shaded_color((unsigned char *)wcol->inner, -16);
/* TODO, grid lines does not line up with colors, need to look into this */
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.25f / 2.0f);
}
else {
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
}
/* grid, every 0.25 step */
gl_shaded_color((unsigned char *)wcol->inner, -16);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.25f);
/* grid, every 1.0 step */
gl_shaded_color((unsigned char *)wcol->inner, -24);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 1.0f);
/* axes */
gl_shaded_color((unsigned char *)wcol->inner, -50);
glBegin(GL_LINES);
glVertex2f(rect->xmin, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmax, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymax);
glEnd();
/* magic trigger for curve backgrounds */
if (but->a1 != -1) {
if (but->a1 == UI_GRAD_H) {
rcti grid;
float col[3] = {0.0f, 0.0f, 0.0f}; /* dummy arg */
grid.xmin = rect->xmin + zoomx * (-offsx);
grid.xmax = rect->xmax + zoomx * (-offsx);
grid.ymin = rect->ymin + zoomy * (-offsy);
grid.ymax = rect->ymax + zoomy * (-offsy);
glEnable(GL_BLEND);
ui_draw_gradient(&grid, col, UI_GRAD_H, 0.5f);
glDisable(GL_BLEND);
if (cumap->flag & CUMA_DO_CLIP) {
gl_shaded_color((unsigned char *)wcol->inner, -20);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin + zoomx * (cumap->clipr.xmin - offsx),
rect->ymin + zoomy * (cumap->clipr.ymin - offsy),
rect->xmin + zoomx * (cumap->clipr.xmax - offsx),
rect->ymin + zoomy * (cumap->clipr.ymax - offsy));
}
else {
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
}
/* grid, every 0.25 step */
gl_shaded_color((unsigned char *)wcol->inner, -16);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.25f);
/* grid, every 1.0 step */
gl_shaded_color((unsigned char *)wcol->inner, -24);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 1.0f);
/* axes */
gl_shaded_color((unsigned char *)wcol->inner, -50);
glBegin(GL_LINES);
glVertex2f(rect->xmin, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmax, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymax);
glEnd();
}
/* cfra option */
/* XXX 2.48 */
#if 0