/* draw a set of strokes */
static void gp_draw_strokes (bGPDframe *gpf, int offsx, int offsy, int winx, int winy, int dflag,
short debug, short lthick, float color[4])
{
bGPDstroke *gps;
/* set color first (may need to reset it again later too) */
glColor4f(color[0], color[1], color[2], color[3]);
for (gps= gpf->strokes.first; gps; gps= gps->next) {
/* check if stroke can be drawn - checks here generally fall into pairs */
if ((dflag & GP_DRAWDATA_ONLY3D) && !(gps->flag & GP_STROKE_3DSPACE))
continue;
if (!(dflag & GP_DRAWDATA_ONLY3D) && (gps->flag & GP_STROKE_3DSPACE))
continue;
if ((dflag & GP_DRAWDATA_ONLYV2D) && !(gps->flag & GP_STROKE_2DSPACE))
continue;
if (!(dflag & GP_DRAWDATA_ONLYV2D) && (gps->flag & GP_STROKE_2DSPACE))
continue;
if ((dflag & GP_DRAWDATA_ONLYI2D) && !(gps->flag & GP_STROKE_2DIMAGE))
continue;
if (!(dflag & GP_DRAWDATA_ONLYI2D) && (gps->flag & GP_STROKE_2DIMAGE))
continue;
if ((gps->points == 0) || (gps->totpoints < 1))
continue;
/* check which stroke-drawer to use */
if (gps->totpoints == 1)
gp_draw_stroke_point(gps->points, lthick, gps->flag, offsx, offsy, winx, winy);
else if (dflag & GP_DRAWDATA_ONLY3D)
gp_draw_stroke_3d(gps->points, gps->totpoints, lthick, dflag, gps->flag, debug, winx, winy);
else if (gps->totpoints > 1)
gp_draw_stroke(gps->points, gps->totpoints, lthick, dflag, gps->flag, debug, offsx, offsy, winx, winy);
}
}
/* draw a set of strokes */
static void gp_draw_strokes(bGPDframe *gpf, int offsx, int offsy, int winx, int winy, int dflag,
bool debug, short lthick, const float color[4], const float fill_color[4])
{
bGPDstroke *gps;
for (gps = gpf->strokes.first; gps; gps = gps->next) {
/* check if stroke can be drawn */
if (gp_can_draw_stroke(gps, dflag) == false)
continue;
/* check which stroke-drawer to use */
if (dflag & GP_DRAWDATA_ONLY3D) {
const int no_xray = (dflag & GP_DRAWDATA_NO_XRAY);
int mask_orig = 0;
if (no_xray) {
glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig);
glDepthMask(0);
glEnable(GL_DEPTH_TEST);
/* first arg is normally rv3d->dist, but this isn't
* available here and seems to work quite well without */
bglPolygonOffset(1.0f, 1.0f);
#if 0
glEnable(GL_POLYGON_OFFSET_LINE);
glPolygonOffset(-1.0f, -1.0f);
#endif
}
/* 3D Fill */
if ((dflag & GP_DRAWDATA_FILL) && (gps->totpoints >= 3)) {
glColor4fv(fill_color);
gp_draw_stroke_fill(gps->points, gps->totpoints, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
}
/* 3D Stroke */
glColor4fv(color);
if (dflag & GP_DRAWDATA_VOLUMETRIC) {
/* volumetric stroke drawing */
gp_draw_stroke_volumetric_3d(gps->points, gps->totpoints, lthick, dflag, gps->flag);
}
else {
/* 3D Lines - OpenGL primitives-based */
if (gps->totpoints == 1) {
gp_draw_stroke_point(gps->points, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
}
else {
gp_draw_stroke_3d(gps->points, gps->totpoints, lthick, debug, gps->flag);
}
}
if (no_xray) {
glDepthMask(mask_orig);
glDisable(GL_DEPTH_TEST);
bglPolygonOffset(0.0, 0.0);
#if 0
glDisable(GL_POLYGON_OFFSET_LINE);
glPolygonOffset(0, 0);
#endif
}
}
else {
/* 2D - Fill */
if ((dflag & GP_DRAWDATA_FILL) && (gps->totpoints >= 3)) {
glColor4fv(fill_color);
gp_draw_stroke_fill(gps->points, gps->totpoints, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
}
/* 2D Strokes... */
glColor4fv(color);
if (dflag & GP_DRAWDATA_VOLUMETRIC) {
/* blob/disk-based "volumetric" drawing */
gp_draw_stroke_volumetric_2d(gps->points, gps->totpoints, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
}
else {
/* normal 2D strokes */
if (gps->totpoints == 1) {
gp_draw_stroke_point(gps->points, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
}
else {
gp_draw_stroke_2d(gps->points, gps->totpoints, lthick, dflag, gps->flag, debug, offsx, offsy, winx, winy);
}
}
}
}
}
/* draw a set of strokes */
static void gp_draw_strokes (bGPDframe *gpf, int offsx, int offsy, int winx, int winy, int dflag,
short debug, short lthick, float color[4])
{
bGPDstroke *gps;
/* set color first (may need to reset it again later too) */
glColor4fv(color);
for (gps= gpf->strokes.first; gps; gps= gps->next) {
/* check if stroke can be drawn - checks here generally fall into pairs */
if ((dflag & GP_DRAWDATA_ONLY3D) && !(gps->flag & GP_STROKE_3DSPACE))
continue;
if (!(dflag & GP_DRAWDATA_ONLY3D) && (gps->flag & GP_STROKE_3DSPACE))
continue;
if ((dflag & GP_DRAWDATA_ONLYV2D) && !(gps->flag & GP_STROKE_2DSPACE))
continue;
if (!(dflag & GP_DRAWDATA_ONLYV2D) && (gps->flag & GP_STROKE_2DSPACE))
continue;
if ((dflag & GP_DRAWDATA_ONLYI2D) && !(gps->flag & GP_STROKE_2DIMAGE))
continue;
if (!(dflag & GP_DRAWDATA_ONLYI2D) && (gps->flag & GP_STROKE_2DIMAGE))
continue;
if ((gps->points == NULL) || (gps->totpoints < 1))
continue;
/* check which stroke-drawer to use */
if (gps->totpoints == 1)
gp_draw_stroke_point(gps->points, lthick, dflag, gps->flag, offsx, offsy, winx, winy);
else if (dflag & GP_DRAWDATA_ONLY3D) {
const int no_xray= (dflag & GP_DRAWDATA_NO_XRAY);
int mask_orig = 0;
if (no_xray) {
glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig);
glDepthMask(0);
glEnable(GL_DEPTH_TEST);
/* first arg is normally rv3d->dist, but this isn't available here and seems to work quite well without */
bglPolygonOffset(1.0f, 1.0f);
#if 0
glEnable(GL_POLYGON_OFFSET_LINE);
glPolygonOffset(-1.0f, -1.0f);
#endif
}
gp_draw_stroke_3d(gps->points, gps->totpoints, lthick, debug);
if (no_xray) {
glDepthMask(mask_orig);
glDisable(GL_DEPTH_TEST);
bglPolygonOffset(0.0, 0.0);
#if 0
glDisable(GL_POLYGON_OFFSET_LINE);
glPolygonOffset(0, 0);
#endif
}
}
else if (gps->totpoints > 1)
gp_draw_stroke(gps->points, gps->totpoints, lthick, dflag, gps->flag, debug, offsx, offsy, winx, winy);
}
}
