static void
_do_bezier (WpgImportRenderer *ren, WPGPoint *pts, int iNum)
{
int num_points = (iNum + 2) / 3;
int i;
int ofs = ren->Box.Height;
BezPoint *bps;
g_return_if_fail (num_points > 1);
bps = g_alloca (num_points * sizeof(BezPoint));
bps[0].type = BEZ_MOVE_TO;
bps[0].p1.x = pts[0].x / WPU_PER_DCM;
bps[0].p1.y = (ofs - pts[0].y) / WPU_PER_DCM;
for (i = 1; i < num_points; ++i) {
bps[i].type = BEZ_CURVE_TO;
/* although declared as unsigned (WORD) these values have to be treaded
* as signed, because they can move in both directions.
*/
bps[i].p1.x = (gint16)pts[i*3-2].x / WPU_PER_DCM;
bps[i].p1.y = (ofs - (gint16)pts[i*3-2].y) / WPU_PER_DCM;
bps[i].p2.x = (gint16)pts[i*3-1].x / WPU_PER_DCM;
bps[i].p2.y = (ofs - (gint16)pts[i*3-1].y) / WPU_PER_DCM;
bps[i].p3.x = (gint16)pts[i*3 ].x / WPU_PER_DCM;
bps[i].p3.y = (ofs - (gint16)pts[i*3 ].y) / WPU_PER_DCM;
}
/* XXX: should we fold this calls into one? What's closing a WPG PolyCurve? */
if (ren->LineAttr.Type != WPG_LA_NONE)
DIA_RENDERER_GET_CLASS(ren)->draw_bezier (DIA_RENDERER(ren),
bps, num_points, &ren->stroke);
if (ren->FillAttr.Type != WPG_FA_HOLLOW)
DIA_RENDERER_GET_CLASS(ren)->draw_beziergon (DIA_RENDERER(ren),
bps, num_points, &ren->fill, NULL);
}
static void
_do_ellipse (WpgImportRenderer *ren, WPGEllipse* pEll)
{
int h = ren->Box.Height;
Point center;
center.x = pEll->x / WPU_PER_DCM;
center.y = (h - pEll->y) / WPU_PER_DCM;
if (fabs(pEll->EndAngle - pEll->StartAngle) < 360) {
/* WPG arcs are counter-clockwise so ensure that end is bigger than start */
real arcEnd = pEll->EndAngle;
if (arcEnd < pEll->StartAngle)
arcEnd += 360;
if (ren->LineAttr.Type != WPG_LA_NONE)
DIA_RENDERER_GET_CLASS(ren)->draw_arc (DIA_RENDERER(ren), ¢er,
2 * pEll->rx / WPU_PER_DCM,
2 * pEll->ry / WPU_PER_DCM,
pEll->StartAngle, arcEnd,
&ren->stroke);
if (ren->FillAttr.Type != WPG_FA_HOLLOW)
DIA_RENDERER_GET_CLASS(ren)->fill_arc (DIA_RENDERER(ren), ¢er,
2 * pEll->rx / WPU_PER_DCM,
2 * pEll->ry / WPU_PER_DCM,
pEll->StartAngle, arcEnd,
&ren->fill);
} else {
DIA_RENDERER_GET_CLASS(ren)->draw_ellipse (DIA_RENDERER(ren), ¢er,
2 * pEll->rx / WPU_PER_DCM,
2 * pEll->ry / WPU_PER_DCM,
(ren->FillAttr.Type != WPG_FA_HOLLOW) ? &ren->fill : NULL,
(ren->LineAttr.Type != WPG_LA_NONE) ? &ren->stroke : NULL);
}
}
void
handle_draw(Handle *handle, DDisplay *ddisp)
{
gboolean some_selected;
int x,y;
DiaRenderer *renderer = ddisp->renderer;
DiaInteractiveRendererInterface *irenderer =
DIA_GET_INTERACTIVE_RENDERER_INTERFACE (ddisp->renderer);
const Color *color;
ddisplay_transform_coords(ddisp, handle->pos.x, handle->pos.y, &x, &y);
/* change handle color to reflect different behaviour for multiple selected */
/* this code relies on the fact that only selected objects get their handles drawn */
some_selected = g_list_length (ddisp->diagram->data->selected) > 1;
if (handle->connected_to != NULL) {
color = &handle_color_connected[handle->type + (some_selected ? NUM_HANDLE_TYPES : 0)];
} else {
color = &handle_color[handle->type + (some_selected ? NUM_HANDLE_TYPES : 0)];
}
DIA_RENDERER_GET_CLASS(renderer)->set_linewidth(renderer, 0.0);
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_SOLID);
DIA_RENDERER_GET_CLASS(renderer)->set_linejoin(renderer, LINEJOIN_MITER);
DIA_RENDERER_GET_CLASS(renderer)->set_fillstyle(renderer, FILLSTYLE_SOLID);
irenderer->fill_pixel_rect(renderer,
x - HANDLE_SIZE/2 + 1,
y - HANDLE_SIZE/2 + 1,
HANDLE_SIZE-2, HANDLE_SIZE-2,
/* it does not change the color, but does not reflect taht in the signature */
(Color *)color);
irenderer->draw_pixel_rect(renderer,
x - HANDLE_SIZE/2,
y - HANDLE_SIZE/2,
HANDLE_SIZE-1, HANDLE_SIZE-1,
&color_black);
if (handle->connect_type != HANDLE_NONCONNECTABLE) {
irenderer->draw_pixel_line
(renderer,
x - HANDLE_SIZE/2, y - HANDLE_SIZE/2,
x + HANDLE_SIZE/2, y + HANDLE_SIZE/2,
&color_black);
irenderer->draw_pixel_line
(renderer,
x - HANDLE_SIZE/2, y + HANDLE_SIZE/2,
x + HANDLE_SIZE/2, y - HANDLE_SIZE/2,
&color_black);
}
}
void
pagebreak_draw(DDisplay *ddisp, Rectangle *update)
{
DiaRenderer *renderer = ddisp->renderer;
DiaInteractiveRendererInterface *irenderer;
int width = dia_renderer_get_width_pixels(ddisp->renderer);
int height = dia_renderer_get_height_pixels(ddisp->renderer);
irenderer = DIA_GET_INTERACTIVE_RENDERER_INTERFACE (renderer);
if (prefs.pagebreak.visible) {
Diagram *dia = ddisp->diagram;
real origx = 0, origy = 0, pos;
real pwidth = dia->data->paper.width;
real pheight = dia->data->paper.height;
int x,y;
DIA_RENDERER_GET_CLASS(renderer)->set_linewidth(renderer, 0.0);
if (prefs.pagebreak.solid)
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_SOLID, 0.0);
else
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_DOTTED,
ddisplay_untransform_length(ddisp, 31));
if (dia->data->paper.fitto) {
origx = dia->data->extents.left;
origy = dia->data->extents.top;
}
/* vertical lines ... */
pos = origx + ceil((update->left - origx) / pwidth) * pwidth;
while (pos <= update->right) {
ddisplay_transform_coords(ddisp, pos,0,&x,&y);
irenderer->draw_pixel_line(renderer,
x, 0, x, height,
&dia->pagebreak_color);
pos += pwidth;
}
/* Horizontal lines: */
pos = origy + ceil((update->top - origy) / pheight) * pheight;
while (pos <= update->bottom) {
ddisplay_transform_coords(ddisp, 0,pos,&x,&y);
irenderer->draw_pixel_line(renderer,
0, y, width, y,
&dia->pagebreak_color);
pos += pheight;
}
}
}
static void
grid_draw_horizontal_lines(DDisplay *ddisp, Rectangle *update, real length)
{
int x, y;
real pos;
int height, width;
guint major_lines = ddisp->diagram->grid.major_lines;
DiaRenderer *renderer = ddisp->renderer;
DiaInteractiveRendererInterface *irenderer;
int major_count = 0;
irenderer = DIA_GET_INTERACTIVE_RENDERER_INTERFACE (renderer);
pos = ceil( update->top / length ) * length;
ddisplay_transform_coords(ddisp, update->left, pos, &x, &y);
ddisplay_transform_coords(ddisp, update->right, update->bottom, &width, &height);
/*
Explanatory note from Lawrence Withers ([email protected]):
Think about it in terms of the maths and the modulo arithmetic; we
have a number P such that P < 0, and we want to find a number Q
such that Q >= 0, but (P % major_count) == (Q % major_count). To
do this, we say Q = P - (P * major_count), which is guaranteed to
give a correct answer if major_count > 0 (since the addition of
anf multiple of major_count won't alter the modulo).
*/
if (major_lines) {
major_count = ROUND (pos/length);
if(major_count < 0) major_count -= major_lines * major_count;
major_count %= major_lines;
}
while (y < height) {
if (major_lines) {
if (major_count == 0)
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_SOLID, 0.0);
else
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_DOTTED,
ddisplay_untransform_length(ddisp, 31));
major_count = (major_count+1)%major_lines;
}
irenderer->draw_pixel_line(renderer, x, y, width, y,
&ddisp->diagram->grid.colour);
pos += length;
ddisplay_transform_coords(ddisp, update->left, pos, &x, &y);
}
}
static void
bus_draw(Bus *bus, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point *endpoints;
int i;
assert(bus != NULL);
assert(renderer != NULL);
endpoints = &bus->real_ends[0];
renderer_ops->set_linewidth(renderer, LINE_WIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->set_linecaps(renderer, LINECAPS_BUTT);
renderer_ops->draw_line(renderer,
&endpoints[0], &endpoints[1],
&bus->line_color);
for (i=0;i<bus->num_handles;i++) {
renderer_ops->draw_line(renderer,
&bus->parallel_points[i],
&bus->handles[i]->pos,
&bus->line_color);
}
}
static void
beziergon_draw(Beziergon *beziergon, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
BezierShape *bez = &beziergon->bezier;
BezPoint *points;
int n;
points = &bez->bezier.points[0];
n = bez->bezier.num_points;
renderer_ops->set_linewidth(renderer, beziergon->line_width);
renderer_ops->set_linestyle(renderer, beziergon->line_style);
renderer_ops->set_dashlength(renderer, beziergon->dashlength);
renderer_ops->set_linejoin(renderer, beziergon->line_join);
renderer_ops->set_linecaps(renderer, LINECAPS_BUTT);
if (beziergon->show_background)
renderer_ops->fill_bezier(renderer, points, n, &beziergon->inner_color);
renderer_ops->draw_bezier(renderer, points, n, &beziergon->line_color);
/* these lines should only be displayed when object is selected.
* Unfortunately the draw function is not aware of the selected
* state. This is a compromise until I fix this properly. */
if (renderer->is_interactive &&
dia_object_is_selected((DiaObject*)beziergon)) {
bezier_draw_control_lines (beziergon->bezier.bezier.num_points, beziergon->bezier.bezier.points, renderer);
}
}
static void aadlpackage_draw_borders(Aadlbox *aadlbox, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point points[9];
assert(aadlbox != NULL);
assert(renderer != NULL);
elem = &aadlbox->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, AADLBOX_BORDERWIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID, 0.0);
points[0].x = x; points[0].y = y;
points[1].x = x + 0.03 * w ; points[1].y = y;
points[2].x = x + 0.08 * w ; points[2].y = y - AADL_PORT_MAX_OUT;
points[3].x = x + 0.40 * w ; points[3].y = y - AADL_PORT_MAX_OUT;
points[4].x = x + 0.45 * w ; points[4].y = y;
points[5].x = x + w - 0.05 * w; points[5].y = y;
points[6].x = x + w; points[6].y = y + 0.05 * h;
points[7].x = x + w; points[7].y = y + h;
points[8].x = x ; points[8].y = y + h;
renderer_ops->draw_polygon(renderer, points, 9, &aadlbox->fill_color, &aadlbox->line_color);
}
static void
newgroup_draw(NewGroup *group, DiaRenderer *renderer)
{
Point lr_corner;
Element *elem;
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
assert(group != NULL);
assert(renderer != NULL);
elem = &group->element;
lr_corner.x = elem->corner.x + elem->width;
lr_corner.y = elem->corner.y + elem->height;
renderer_ops->set_linewidth(renderer, 0.01);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->draw_rect(renderer,
&elem->corner,
&lr_corner,
&color_black);
}
/*! The default object renderer.
* @param obj An object to render.
* @param renderer The renderer to render on.
* @param active_layer The layer containing the object.
* @param data The diagram containing the layer.
* \ingroup DiagramStructure
*/
static void
normal_render(DiaObject *obj, DiaRenderer *renderer,
int active_layer,
gpointer data)
{
DIA_RENDERER_GET_CLASS(renderer)->draw_object(renderer, obj, NULL);
}
static void
zigzagline_draw(Zigzagline *zigzagline, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
OrthConn *orth = &zigzagline->orth;
Point *points;
int n;
points = &orth->points[0];
n = orth->numpoints;
renderer_ops->set_linewidth(renderer, zigzagline->line_width);
renderer_ops->set_linestyle(renderer, zigzagline->line_style);
renderer_ops->set_dashlength(renderer, zigzagline->dashlength);
renderer_ops->set_linejoin(renderer, zigzagline->line_join);
renderer_ops->set_linecaps(renderer, zigzagline->line_caps);
renderer_ops->draw_rounded_polyline_with_arrows(renderer,
points, n,
zigzagline->line_width,
&zigzagline->line_color,
&zigzagline->start_arrow,
&zigzagline->end_arrow,
zigzagline->corner_radius);
}
static void
polyline_draw(Polyline *polyline, DiaRenderer *renderer)
{
Point gap_endpoints[2];
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
PolyConn *poly = &polyline->poly;
Point *points;
int n;
points = &poly->points[0];
n = poly->numpoints;
renderer_ops->set_linewidth(renderer, polyline->line_width);
renderer_ops->set_linestyle(renderer, polyline->line_style, polyline->dashlength);
renderer_ops->set_linejoin(renderer, polyline->line_join);
renderer_ops->set_linecaps(renderer, polyline->line_caps);
polyline_calculate_gap_endpoints(polyline, gap_endpoints);
polyline_exchange_gap_points(polyline, gap_endpoints);
renderer_ops->draw_rounded_polyline_with_arrows(renderer,
points, n,
polyline->line_width,
&polyline->line_color,
&polyline->start_arrow,
&polyline->end_arrow,
polyline->corner_radius);
polyline_exchange_gap_points(polyline, gap_endpoints);
}
// specialized draw_rounded_polyline() for renderers with an own concept of Arrow
void
dia::Renderer::draw_rounded_polyline_with_arrows (Point *points, int num_points, real line_width, Color *color,
Arrow *start_arrow, Arrow *end_arrow, real radius)
{
assert (self);
DIA_RENDERER_GET_CLASS(self)->draw_rounded_polyline_with_arrows (self, points, num_points, line_width, color, start_arrow, end_arrow, radius);
}
static void
line_draw(Line *line, DiaRenderer *renderer)
{
Point gap_endpoints[2];
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
assert(line != NULL);
assert(renderer != NULL);
renderer_ops->set_linewidth(renderer, line->line_width);
renderer_ops->set_linestyle(renderer, line->line_style, line->dashlength);
renderer_ops->set_linecaps(renderer, line->line_caps);
if (line->absolute_start_gap || line->absolute_end_gap ) {
line_adjust_for_absolute_gap(line, gap_endpoints);
renderer_ops->draw_line_with_arrows(renderer,
&gap_endpoints[0], &gap_endpoints[1],
line->line_width,
&line->line_color,
&line->start_arrow,
&line->end_arrow);
} else {
renderer_ops->draw_line_with_arrows(renderer,
&line->connection.endpoints[0],
&line->connection.endpoints[1],
line->line_width,
&line->line_color,
&line->start_arrow,
&line->end_arrow);
}
}
static void draw_dot(DiaRenderer *renderer,
Point *end, Point *vect, Color *col)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point vv,vp,vt,pt;
real vlen;
vv = *end;
point_sub(&vv,vect);
vlen = distance_point_point(vect,end);
if (vlen < 1E-7) return;
point_scale(&vv,1/vlen);
vp.y = vv.x;
vp.x = -vv.y;
pt = *end;
vt = vp;
point_scale(&vt,ARROW_DOT_WOFFSET);
point_add(&pt,&vt);
vt = vv;
point_scale(&vt,-ARROW_DOT_LOFFSET);
point_add(&pt,&vt);
renderer_ops->set_fillstyle(renderer,FILLSTYLE_SOLID);
renderer_ops->fill_ellipse(renderer,&pt,
ARROW_DOT_RADIUS,ARROW_DOT_RADIUS,
col);
}
static void
state_draw(State *state, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point p1, p2;
assert(state != NULL);
assert(renderer != NULL);
elem = &state->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, STATE_LINEWIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
p1.x = x;
p1.y = y;
p2.x = x + w;
p2.y = y + h;
renderer_ops->fill_rounded_rect(renderer, &p1, &p2,
&state->fill_color, 1.0);
renderer_ops->draw_rounded_rect(renderer, &p1, &p2,
&state->line_color, 1.0);
text_draw(state->text, renderer);
}
static void aadlsubprogram_draw_borders(Aadlbox *aadlbox, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point center;
assert(aadlbox != NULL);
assert(renderer != NULL);
elem = &aadlbox->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
center.x = x + 0.5*w;
center.y = y + 0.5*h;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, AADLBOX_BORDERWIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->fill_ellipse(renderer, ¢er, w, h, &aadlbox->fill_color);
renderer_ops->draw_ellipse(renderer, ¢er, w, h, &aadlbox->line_color);
}
static void branch_draw(Branch *branch, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real w, h;
Point points[4];
assert(branch != NULL);
assert(renderer != NULL);
elem = &branch->element;
w = elem->width/2;
h = elem->height/2;
points[0].x = elem->corner.x, points[0].y = elem->corner.y + h;
points[1].x = elem->corner.x + w, points[1].y = elem->corner.y;
points[2].x = elem->corner.x + 2*w, points[2].y = elem->corner.y + h;
points[3].x = elem->corner.x + w, points[3].y = elem->corner.y + 2*h;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, BRANCH_BORDERWIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->fill_polygon(renderer, points, 4, &branch->fill_color);
renderer_ops->draw_polygon(renderer, points, 4, &branch->line_color);
}
void
grid_draw(DDisplay *ddisp, Rectangle *update)
{
Grid *grid = &ddisp->grid;
DiaRenderer *renderer = ddisp->renderer;
if (grid->visible) {
/* distance between visible grid lines */
real width_x = ddisp->diagram->grid.width_x;
real width_y = ddisp->diagram->grid.width_y;
real width_w = ddisp->diagram->grid.width_w;
if (ddisp->diagram->grid.dynamic) {
calculate_dynamic_grid(ddisp, &width_x, &width_y);
} else {
width_x = ddisp->diagram->grid.width_x *
ddisp->diagram->grid.visible_x;
width_y = ddisp->diagram->grid.width_y *
ddisp->diagram->grid.visible_y;
}
DIA_RENDERER_GET_CLASS(renderer)->set_linewidth(renderer, 0.0);
if (ddisp->diagram->grid.hex) {
grid_draw_hex(ddisp, update, width_w);
} else {
if (ddisplay_transform_length(ddisp, width_y) >= 2.0 &&
ddisplay_transform_length(ddisp, width_x) >= 2.0) {
/* Vertical lines: */
grid_draw_vertical_lines(ddisp, update, width_x);
/* Horizontal lines: */
grid_draw_horizontal_lines(ddisp, update, width_y);
}
}
}
}
static void
image_draw(EImage *image, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point ul_corner, lr_corner;
Element *elem;
assert(image != NULL);
assert(renderer != NULL);
elem = &image->element;
lr_corner.x = elem->corner.x + elem->width + image->border_width/2;
lr_corner.y = elem->corner.y + elem->height + image->border_width/2;
ul_corner.x = elem->corner.x - image->border_width/2;
ul_corner.y = elem->corner.y - image->border_width/2;
if (image->draw_border) {
renderer_ops->set_linewidth(renderer, image->border_width);
renderer_ops->set_linestyle(renderer, image->line_style);
renderer_ops->set_dashlength(renderer, image->dashlength);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->draw_rect(renderer,
&ul_corner,
&lr_corner,
&image->border_color);
}
/* Draw the image */
if (image->image) {
if (image->keep_orig_aspect) {
real aspect;
real width,height;
Point corner;
aspect = (real)dia_image_width(image->image) /
(real)dia_image_height(image->image);
width = elem->height * aspect;
if (width < elem->width) {
height = elem->height;
} else {
width = elem->width;
height = elem->width * (1.0/aspect);
}
corner.x = elem->corner.x + elem->width / 2.0 - width / 2.0;
corner.y = elem->corner.y + elem->height / 2.0 - height / 2.0;
renderer_ops->draw_image(renderer,&corner,width,height,image->image);
} else {
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, image->image);
}
} else {
DiaImage *broken = dia_image_get_broken();
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, broken);
dia_image_unref(broken);
}
}
static void
constraint_draw(Constraint *constraint, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point *endpoints;
Arrow arrow;
assert(constraint != NULL);
assert(renderer != NULL);
endpoints = &constraint->connection.endpoints[0];
renderer_ops->set_linewidth(renderer, constraint->line_width);
renderer_ops->set_linestyle(renderer, LINESTYLE_DASHED, CONSTRAINT_DASHLEN);
renderer_ops->set_linecaps(renderer, LINECAPS_BUTT);
arrow.type = ARROW_LINES;
arrow.length = CONSTRAINT_ARROWLEN;
arrow.width = CONSTRAINT_ARROWWIDTH;
renderer_ops->draw_line_with_arrows(renderer,
&endpoints[0], &endpoints[1],
constraint->line_width,
&constraint->line_color,
NULL, &arrow);
renderer_ops->set_font(renderer, constraint->font,
constraint->font_height);
renderer_ops->draw_string(renderer,
constraint->brtext,
&constraint->text_pos, ALIGN_LEFT,
&constraint->text_color);
}
static void
grid_object_draw(Grid_Object *grid_object, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
Point lr_corner;
g_assert(grid_object != NULL);
g_assert(renderer != NULL);
elem = &grid_object->element;
lr_corner.x = elem->corner.x + elem->width;
lr_corner.y = elem->corner.y + elem->height;
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
/* draw background */
if (grid_object->show_background)
renderer_ops->fill_rect(renderer,&elem->corner,
&lr_corner,
&grid_object->inner_color);
/* draw gridlines */
renderer_ops->set_linewidth(renderer, grid_object->gridline_width);
grid_object_draw_gridlines(grid_object, renderer, &lr_corner);
/* draw outline */
renderer_ops->set_linewidth(renderer, grid_object->border_line_width);
renderer_ops->draw_rect(renderer,&elem->corner,
&lr_corner,
&grid_object->border_color);
}
// specialized draw_line() for renderers with an own concept of Arrow
void
dia::Renderer::draw_arc_with_arrows (Point *start, Point *end, Point *midpoint, real line_width, Color *color,
Arrow *start_arrow, Arrow *end_arrow)
{
assert (self);
DIA_RENDERER_GET_CLASS(self)->draw_arc_with_arrows (self, start, end, midpoint, line_width, color, start_arrow, end_arrow);
}
static void
aadldata_draw_borders(Aadlbox *aadlbox, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point points[2];
assert(aadlbox != NULL);
assert(renderer != NULL);
elem = &aadlbox->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, AADLBOX_BORDERWIDTH);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID, 0.0);
points[0].x = x; points[0].y = y;
points[1].x = x + w; points[1].y = y + h;
renderer_ops->draw_rect(renderer, points, points + 1, &aadlbox->fill_color, &aadlbox->line_color);
}
// specialized draw_bezier() for renderers with an own concept of Arrow
void
dia::Renderer::draw_bezier_with_arrows (BezPoint *points, int num_points, real line_width, Color *color,
Arrow *start_arrow, Arrow *end_arrow)
{
assert (self);
DIA_RENDERER_GET_CLASS(self)->draw_bezier_with_arrows (self, points, num_points, line_width, color, start_arrow, end_arrow);
}
/** draw is here */
static void
req_draw(Requirement *req, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point c;
assert(req != NULL);
assert(renderer != NULL);
elem = &req->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
c.x = x + w/2.0;
c.y = y + h/2.0;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, REQ_LINEWIDTH);
renderer_ops->set_dashlength(renderer, REQ_DASHLEN);
renderer_ops->set_linestyle(renderer, LINESTYLE_DASHED);
renderer_ops->fill_ellipse(renderer, &c, w, h, &color_white);
renderer_ops->draw_ellipse(renderer, &c, w, h, &color_black);
text_draw(req->text, renderer);
}
static void
ellipse_draw(Ellipse *ellipse, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
Point center;
assert(ellipse != NULL);
assert(renderer != NULL);
elem = &ellipse->element;
center.x = elem->corner.x + elem->width/2;
center.y = elem->corner.y + elem->height/2;
if (ellipse->show_background) {
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->fill_ellipse(renderer, ¢er,
elem->width, elem->height,
&ellipse->inner_color);
}
renderer_ops->set_linewidth(renderer, ellipse->border_width);
renderer_ops->set_linestyle(renderer, ellipse->line_style);
renderer_ops->set_dashlength(renderer, ellipse->dashlength);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->draw_ellipse(renderer, ¢er,
elem->width, elem->height,
&ellipse->border_color);
text_draw(ellipse->text, renderer);
}
/* drawing stuff */
static void
goal_draw(Goal *goal, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point p1,p2;
BezPoint bpl[5];
Element *elem;
/* some asserts */
assert(goal != NULL);
assert(renderer != NULL);
elem = &goal->element;
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID, 0.0);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->set_linewidth(renderer, GOAL_LINE_WIDTH);
if (goal->type==GOAL) { /* goal */
p1.x=elem->corner.x;
p1.y= elem->corner.y;
p2.x=p1.x+elem->width;
p2.y=p1.y+elem->height;
renderer_ops->draw_rounded_rect (renderer,&p1,&p2,
&GOAL_BG_COLOR, &GOAL_FG_COLOR,
elem->height/2.0);
} else { /* softgoal */
compute_cloud(goal,bpl);
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->draw_beziergon(renderer,bpl,5,&GOAL_BG_COLOR,&GOAL_FG_COLOR);
}
/* drawing text */
text_draw(goal->text, renderer);
}
static void
chronoref_draw(Chronoref *chronoref, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
Point lr_corner;
real t;
Point p1,p2,p3;
assert(renderer != NULL);
elem = &chronoref->element;
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
lr_corner.x = elem->corner.x + elem->width;
lr_corner.y = elem->corner.y + elem->height;
p1.y = p2.y = elem->corner.y;
renderer_ops->set_font(renderer, chronoref->font, chronoref->font_size);
p3.y = p2.y + chronoref->majgrad_height +
dia_font_ascent("1",chronoref->font, chronoref->font_size);
renderer_ops->set_linewidth(renderer, chronoref->light_lwidth);
if (chronoref->time_lstep > 0.0) {
p2.y = p1.y + chronoref->mingrad_height;
for (t = chronoref->firstmaj, p1.x = chronoref->firstmin_x;
p1.x <= lr_corner.x;
t += chronoref->time_lstep, p1.x += chronoref->mingrad) {
p2.x = p1.x;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
}
}
renderer_ops->set_linewidth(renderer, chronoref->main_lwidth);
if (chronoref->time_step > 0.0) {
p2.y = p1.y + chronoref->majgrad_height;
for (t = chronoref->firstmaj, p1.x = chronoref->firstmaj_x;
p1.x <= lr_corner.x;
t += chronoref->time_step, p1.x += chronoref->majgrad) {
char time[10];
p3.x = p2.x = p1.x;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
g_snprintf(time,sizeof(time),"%.*f",chronoref->spec,t);
renderer_ops->draw_string(renderer,time,&p3,ALIGN_CENTER,
&chronoref->font_color);
}
}
p1.x = elem->corner.x;
p2.x = lr_corner.x;
p1.y = p2.y = elem->corner.y;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
}
void aadlbox_draw_inclined_box(Aadlbox *aadlbox, DiaRenderer *renderer,
LineStyle linestyle)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
real x, y, w, h;
Point points[4];
assert(aadlbox != NULL);
assert(renderer != NULL);
elem = &aadlbox->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
points[0].x = x + w * AADLBOX_INCLINE_FACTOR;
points[1].x = x + w;
points[0].y = points[1].y = y;
points[3].x = x;
points[2].x = x + w - w * AADLBOX_INCLINE_FACTOR;
points[3].y = points[2].y = y + h;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->set_linewidth(renderer, AADLBOX_BORDERWIDTH);
renderer_ops->set_linestyle(renderer, linestyle);
renderer_ops->set_dashlength(renderer, AADLBOX_DASH_LENGTH);
renderer_ops->fill_polygon(renderer, points, 4, &aadlbox->fill_color);
renderer_ops->draw_polygon(renderer, points, 4, &aadlbox->line_color);
}