void SystemDraw::DrawRectOp(int x, int y, int cx, int cy, Color color)
{
if(IsNull(color))
return;
FlushText();
cairo_rectangle(cr, x, y, cx, cy);
if(color == InvertColor()) {
#if GTK_CHECK_VERSION(2,24,0) && (CAIRO_VERSION_MAJOR > 1 || CAIRO_VERSION_MINOR > 9)
SetColor(White());
cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE);
cairo_fill(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
#else
if(drawable) {
GdkGC *gc = gdk_gc_new(drawable);
gdk_gc_set_function(gc, GDK_INVERT);
Point o = GetOffset();
gdk_draw_drawable(drawable, gc, drawable, x + o.x, y + o.y, x + o.x, y + o.y, cx, cy);
gdk_gc_set_function(gc, GDK_COPY);
gdk_gc_destroy(gc);
}
#endif
}
else {
SetColor(color);
cairo_fill(cr);
}
}
static void dlarea_redraw_func()
{
if (draw_dlarea_with_wgs84) {
map_repo_t *repo = g_view.fglayer.repo;
int zoom = repo->zoom;
point_t center_pixel = wgs84_to_tilepixel(g_view.center_wgs84, zoom, repo);
point_t tl = wgs84_to_tilepixel(dlarea_wgs84_tl, zoom, repo);
point_t br = wgs84_to_tilepixel(dlarea_wgs84_br, zoom, repo);
dlarea.x = tl.x - (center_pixel.x - (g_view.width >> 1));
dlarea.y = tl.y - (center_pixel.y - (g_view.height >> 1));
dlarea.width = (br.x - tl.x);
dlarea.height = (br.y - tl.y);
}
map_draw_back_layers(g_view.da->window);
if (dlarea.width > 0 && dlarea.height > 0) {
if (draw_dlarea_with_wgs84)
gdk_gc_set_function(g_context.dlarea_gc, GDK_COPY);
gdk_draw_rectangle (g_view.da->window, g_context.dlarea_gc, FALSE,
dlarea.x, dlarea.y, dlarea.width, dlarea.height);
gdk_gc_set_function(g_context.dlarea_gc, GDK_INVERT);
}
}
static void draw(CtkCurve *ctk_curve)
{
CtrlTarget *ctrl_target = ctk_curve->ctrl_target;
gushort *lut;
gint n_lut_entries;
#ifdef CTK_GTK3
/* Fill Curve surface with black background */
cairo_set_operator(ctk_curve->c_context, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(ctk_curve->c_context, 0.0, 0.0, 0.0, 1.0);
cairo_rectangle(ctk_curve->c_context, 0, 0,
ctk_curve->width, ctk_curve->height);
cairo_fill(ctk_curve->c_context);
/* Add the Color LUT ramp lines */
cairo_set_operator(ctk_curve->c_context, CAIRO_OPERATOR_ADD);
cairo_set_source_rgba(ctk_curve->c_context, 1.0, 0.0, 0.0, 1.0);
NvCtrlGetColorRamp(ctrl_target, RED_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->c_context, lut, n_lut_entries,
ctk_curve->width, ctk_curve->height);
cairo_set_source_rgba(ctk_curve->c_context, 0.0, 1.0, 0.0, 1.0);
NvCtrlGetColorRamp(ctrl_target, GREEN_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->c_context, lut, n_lut_entries,
ctk_curve->width, ctk_curve->height);
cairo_set_source_rgba(ctk_curve->c_context, 0.0, 0.0, 1.0, 1.0);
NvCtrlGetColorRamp(ctrl_target, BLUE_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->c_context, lut, n_lut_entries,
ctk_curve->width, ctk_curve->height);
#else
GtkWidget *widget = GTK_WIDGET(ctk_curve);
gdk_gc_set_function(ctk_curve->gdk_gc, GDK_COPY);
gdk_draw_rectangle(ctk_curve->gdk_pixmap, widget->style->black_gc,
TRUE, 0, 0, ctk_curve->width, ctk_curve->height);
gdk_gc_set_function(ctk_curve->gdk_gc, GDK_XOR);
gdk_gc_set_foreground(ctk_curve->gdk_gc, &ctk_curve->gdk_color_red);
NvCtrlGetColorRamp(ctrl_target, RED_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->gdk_pixmap, ctk_curve->gdk_gc,
lut, n_lut_entries, ctk_curve->width, ctk_curve->height);
gdk_gc_set_foreground(ctk_curve->gdk_gc, &ctk_curve->gdk_color_green);
NvCtrlGetColorRamp(ctrl_target, GREEN_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->gdk_pixmap, ctk_curve->gdk_gc,
lut, n_lut_entries, ctk_curve->width, ctk_curve->height);
gdk_gc_set_foreground(ctk_curve->gdk_gc, &ctk_curve->gdk_color_blue);
NvCtrlGetColorRamp(ctrl_target, BLUE_CHANNEL, &lut, &n_lut_entries);
plot_color_ramp(ctk_curve->gdk_pixmap, ctk_curve->gdk_gc,
lut, n_lut_entries, ctk_curve->width, ctk_curve->height);
#endif
}
void iupDrawRectangleInvert(IdrawCanvas* dc, int x1, int y1, int x2, int y2)
{
GdkColor color;
iupgdkColorSet(&color, 255, 255, 255);
gdk_gc_set_rgb_fg_color(dc->pixmap_gc, &color);
gdk_gc_set_function(dc->pixmap_gc, GDK_XOR);
gdk_draw_rectangle(dc->pixmap, dc->pixmap_gc, TRUE, x1, y1, x2-x1+1, y2-y1+1);
gdk_gc_set_function(dc->pixmap_gc, GDK_COPY);
}
//__________________________________________________________________
void _HYPlatformGraphicPane::_InvertRect (_HYRect& rct)
{
GdkRectangle clip_rect = HYRect2GDKRect (rct);
GdkPixbuf* theImage = gdk_pixbuf_get_from_drawable (NULL, thePane, NULL, rct.left, rct.top, 0, 0, clip_rect.width, clip_rect.height);
gdk_gc_set_function (theContext,GDK_INVERT);
gdk_draw_pixbuf (thePane, theContext, theImage, 0,0, clip_rect.x, clip_rect.y, clip_rect.width, clip_rect.height, GDK_RGB_DITHER_NORMAL, 0, 0);
gdk_gc_set_function (theContext,GDK_COPY);
g_object_unref (theImage);
}
void map_bkg_rectangle(MapGC *mgc, MapSettings *settings,
int x, int y, int width, int height)
{
if (FALSE);
#ifdef HAVE_CAIRO
else if (mgc->cairo_cr)
{
cairo_set_operator(mgc->cairo_cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba(mgc->cairo_cr, .937, .937, .937, .8);
cairo_rectangle(mgc->cairo_cr, x, y, width, height);
cairo_fill(mgc->cairo_cr);
cairo_set_operator(mgc->cairo_cr, CAIRO_OPERATOR_SOURCE);
}
#endif
#ifdef HAVE_GTK
else if (mgc->gtk_drawable)
{
gdk_gc_set_function(mgc->gtk_gc, GDK_OR);
gdk_gc_set_foreground(mgc->gtk_gc, &settings->textback);
gdk_draw_rectangle(mgc->gtk_drawable, mgc->gtk_gc, TRUE,
x, y, width, height);
gdk_gc_set_function(mgc->gtk_gc, GDK_COPY);
}
#endif
#ifdef HAVE_QT
else if (mgc->qt_painter)
{
qt_bkg_rectangle(mgc->qt_painter, settings,
x, y, width, height);
}
#endif
#ifdef HAVE_QUARTZ
else if (mgc->quartz_gc)
{
CGContextSetRGBFillColor(mgc->quartz_gc, .937, .937, .937, 1.);
//gdk_gc_set_function(mgc->gtk_gc, GDK_OR);
//gdk_gc_set_foreground(mgc->gtk_gc, &settings->textback);
//gdk_draw_rectangle(mgc->gtk_drawable, mgc->gtk_gc, TRUE,
// x, y, width, height);
//gdk_gc_set_function(mgc->gtk_gc, GDK_COPY);
}
#endif
#ifdef WIN32
else if (mgc->win_dc)
{
COLORREF color = RGB(0xa5, 0xa6, 0xa5);
HBRUSH brush = CreateSolidBrush(color);
HBRUSH oldBrush = SelectObject(mgc->win_dc, brush);
SetROP2(mgc->win_dc, R2_MERGEPEN);
win32_setpen(mgc, 4, color);
Rectangle(mgc->win_dc, x, y, x + width, y + height);
SetROP2(mgc->win_dc, R2_COPYPEN);
SelectObject(mgc->win_dc, oldBrush);
DeleteObject(brush);
}
#endif
}
void iupdrvDrawSelectRect(IdrawCanvas* dc, int x1, int y1, int x2, int y2)
{
GdkColor c;
iupgdkColorSetRGB(&c, 255, 255, 255);
gdk_gc_set_rgb_fg_color(dc->pixmap_gc, &c);
iupDrawCheckSwapCoord(x1, x2);
iupDrawCheckSwapCoord(y1, y2);
gdk_gc_set_function(dc->pixmap_gc, GDK_XOR);
gdk_draw_rectangle(dc->pixmap, dc->pixmap_gc, TRUE, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
gdk_gc_set_function(dc->pixmap_gc, GDK_COPY);
}
void CCaret::DrawInverse()
{
if( !m_pParent )
return;
if( !GDK_IS_DRAWABLE(m_pParent->window))
{
// g_warning("Warring! Draw on DELETED widget!\n");
return;
}
gdk_gc_set_function(m_GC, GDK_INVERT);
gdk_draw_drawable(m_pParent->window, m_GC, m_pParent->window,
m_Pos.x, m_Pos.y, m_Pos.x, m_Pos.y, m_Width, m_Height);
gdk_gc_set_function(m_GC, GDK_COPY);
}
void taninitcbgr(void){
int i;
GdkColor *color;
initcbgr = TRUE; /* pour ne pas initialiser 2 fois */
for (i=PXSTART; i<PXSTART+PXNBR; i++){
tabgc[i] = gdk_gc_new(widgetgrande->window);
if (tabpxpixmode[i])
tansetpixmapmode(widgetgrande,tabpxnam[i],i);
else
tansetcolormode(&colortab[i],i);
}
for (i=0; i<GRISNBR; i++){
color = &colortab[i];
color->red = color->green = color->blue = (gushort)(65535.0/(GRISNBR-1)*i);
tabgc[i] = gdk_gc_new(widgetgrande->window);
tansetcolormode(color,i);
}
invertgc=gdk_gc_new(widgetgrande->window);
gdk_gc_set_function(invertgc,GDK_INVERT);
tabgc[GCPIECEHLP]=gdk_gc_new(widgetgrande->window);
tansetcolormode(&colortab[GCPIECEHLP],GCPIECEHLP);
/* les line attribute sont dans le callback */
if (initcbpe)
taninitcbcommun();
}
static void
draw_crosshair (render_priv *priv)
{
GdkWindow *window = gtk_widget_get_window (gport->drawing_area);
GtkStyle *style = gtk_widget_get_style (gport->drawing_area);
gint x, y;
static GdkGC *xor_gc;
static GdkColor cross_color;
if (gport->crosshair_x < 0 || ghidgui->creating || !gport->has_entered)
return;
if (!xor_gc)
{
xor_gc = gdk_gc_new (window);
gdk_gc_copy (xor_gc, style->white_gc);
gdk_gc_set_function (xor_gc, GDK_XOR);
gdk_gc_set_clip_origin (xor_gc, 0, 0);
set_clip (priv, xor_gc);
/* FIXME: when CrossColor changed from config */
ghid_map_color_string (Settings.CrossColor, &cross_color);
}
gdk_gc_set_foreground (xor_gc, &cross_color);
x = DRAW_X (gport->crosshair_x);
y = DRAW_Y (gport->crosshair_y);
draw_right_cross (xor_gc, x, y);
if (Crosshair.shape == Union_Jack_Crosshair_Shape)
draw_slanted_cross (xor_gc, x, y);
if (Crosshair.shape == Dozen_Crosshair_Shape)
draw_dozen_cross (xor_gc, x, y);
}
static void
clear_light_marker (void)
{
/* Restore background if it has been saved */
/* ======================================= */
if (backbuf.image != NULL)
{
GdkColor color;
color.red = 0x0;
color.green = 0x0;
color.blue = 0x0;
gdk_gc_set_rgb_bg_color (gc, &color);
color.red = 0xFFFF;
color.green = 0xFFFF;
color.blue = 0xFFFF;
gdk_gc_set_rgb_fg_color (gc, &color);
gdk_gc_set_function (gc, GDK_COPY);
gdk_draw_image (previewarea->window, gc,
backbuf.image,
0, 0,
backbuf.x, backbuf.y,
backbuf.w, backbuf.h);
g_object_unref (backbuf.image);
backbuf.image = NULL;
}
}
void
draw_preview_wireframe (void)
{
gint startx, starty, pw, ph;
GdkColor color;
color.red = 0x0;
color.green = 0x0;
color.blue = 0x0;
gdk_gc_set_rgb_bg_color (gc, &color);
color.red = 0xFFFF;
color.green = 0xFFFF;
color.blue = 0xFFFF;
gdk_gc_set_rgb_fg_color (gc, &color);
gdk_gc_set_function (gc, GDK_INVERT);
pw = PREVIEW_WIDTH * mapvals.zoom;
ph = PREVIEW_HEIGHT * mapvals.zoom;
startx = (PREVIEW_WIDTH - pw) / 2;
starty = (PREVIEW_HEIGHT - ph) / 2;
clear_wireframe ();
draw_wireframe (startx, starty, pw, ph);
}
/* *****************************************************************************
* Draw Text (lat/lon) into Grid
*/
void
draw_grid_text (GtkWidget * widget, gdouble posx, gdouble posy, gchar * txt)
{
/* prints in pango */
PangoFontDescription *pfd;
PangoLayout *grid_label_layout;
gint width, height;
grid_label_layout = gtk_widget_create_pango_layout (map_drawingarea, txt);
pfd = pango_font_description_from_string ("Sans 8");
pango_layout_set_font_description (grid_label_layout, pfd);
pango_layout_get_pixel_size (grid_label_layout, &width, &height);
gdk_gc_set_function (kontext_map, GDK_XOR);
gdk_gc_set_background (kontext_map, &colors.white);
gdk_gc_set_foreground (kontext_map, &colors.mygray);
gdk_draw_layout_with_colors (drawable, kontext_map, posx - width / 2,
posy - height / 2, grid_label_layout, &colors.black,
NULL);
if (grid_label_layout != NULL)
g_object_unref (G_OBJECT (grid_label_layout));
/* freeing PangoFontDescription, cause it has been copied by prev. call */
pango_font_description_free (pfd);
}
static gboolean
immerse_view_expose(GtkWidget *view,
GdkEventExpose *event,
ImmerseControls *controls)
{
if (event->count > 0)
return FALSE;
if (controls->detail) {
GdkColor white = { 0, 0xffff, 0xffff, 0xffff };
GdkGC *gc;
gint w, h, xoff, yoff;
gwy_data_view_coords_real_to_xy(GWY_DATA_VIEW(view),
controls->args->xpos,
controls->args->ypos,
&xoff, &yoff);
w = gdk_pixbuf_get_width(controls->detail);
h = gdk_pixbuf_get_height(controls->detail);
/* gwy_debug("(%d,%d) %dx%d", xoff, yoff, w, h); */
gc = gdk_gc_new(view->window);
gdk_draw_pixbuf(view->window, gc, controls->detail,
0, 0, xoff, yoff, w, h,
GDK_RGB_DITHER_NORMAL, 0, 0);
if (controls->args->draw_frame) {
gdk_gc_set_function(gc, GDK_XOR);
gdk_gc_set_rgb_fg_color(gc, &white);
gdk_draw_rectangle(view->window, gc, FALSE, xoff, yoff, w-1, h-1);
}
g_object_unref(gc);
}
return FALSE;
}
static int cdwritemode(cdCtxCanvas *ctxcanvas, int write_mode)
{
switch (write_mode)
{
case CD_REPLACE:
gdk_gc_set_function(ctxcanvas->gc, GDK_COPY);
break;
case CD_XOR:
gdk_gc_set_function(ctxcanvas->gc, GDK_XOR);
break;
case CD_NOT_XOR:
gdk_gc_set_function(ctxcanvas->gc, GDK_EQUIV);
break;
}
return write_mode;
}
static void
modify_button_press(ModifyTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
Point clickedpoint;
DiaObject *clicked_obj;
gboolean some_selected;
ddisplay_untransform_coords(ddisp,
(int)event->x, (int)event->y,
&clickedpoint.x, &clickedpoint.y);
/* don't got to single handle movement if there is more than one object selected */
some_selected = g_list_length (ddisp->diagram->data->selected) > 1;
if (!some_selected && do_if_clicked_handle(ddisp, tool, &clickedpoint, event))
return;
clicked_obj = click_select_object(ddisp, &clickedpoint, event);
if (!some_selected && do_if_clicked_handle(ddisp, tool, &clickedpoint, event))
return;
if ( clicked_obj != NULL ) {
tool->state = STATE_MOVE_OBJECT;
tool->object = clicked_obj;
tool->move_compensate = clicked_obj->position;
point_sub(&tool->move_compensate, &clickedpoint);
tool->break_connections = TRUE; /* unconnect when not grabbing handles, just setting to
* FALSE is not enough. Need to refine the move op, too. */
gdk_pointer_grab (gtk_widget_get_window(ddisp->canvas), FALSE,
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
tool->start_at = clickedpoint;
tool->start_time = time_micro();
ddisplay_set_all_cursor(get_cursor(CURSOR_SCROLL));
} else {
tool->state = STATE_BOX_SELECT;
tool->start_box = clickedpoint;
tool->end_box = clickedpoint;
tool->x1 = tool->x2 = (int) event->x;
tool->y1 = tool->y2 = (int) event->y;
if (tool->gc == NULL) {
tool->gc = gdk_gc_new(gtk_widget_get_window(ddisp->canvas));
gdk_gc_set_line_attributes(tool->gc, 1, GDK_LINE_ON_OFF_DASH,
GDK_CAP_BUTT, GDK_JOIN_MITER);
gdk_gc_set_foreground(tool->gc, &color_gdk_white);
gdk_gc_set_function(tool->gc, GDK_XOR);
}
gdk_draw_rectangle (gtk_widget_get_window (ddisp->canvas), tool->gc, FALSE,
tool->x1, tool->y1,
tool->x2 - tool->x1, tool->y2 - tool->y1);
gdk_pointer_grab (gtk_widget_get_window (ddisp->canvas), FALSE,
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
}
}
void
ghid_set_draw_xor (hidGC gc, int xor_mask)
{
gc->xor_mask = xor_mask;
if (!gc->gc)
return;
gdk_gc_set_function (gc->gc, xor_mask ? GDK_XOR : GDK_COPY);
ghid_set_color (gc, gc->colorname);
}
void
draw_preview_image (gboolean recompute)
{
gint startx, starty, pw, ph;
GdkColor color;
color.red = 0x0;
color.green = 0x0;
color.blue = 0x0;
gdk_gc_set_rgb_bg_color (gc, &color);
color.red = 0xFFFF;
color.green = 0xFFFF;
color.blue = 0xFFFF;
gdk_gc_set_rgb_fg_color (gc, &color);
gdk_gc_set_function (gc, GDK_COPY);
compute_preview_rectangle (&startx, &starty, &pw, &ph);
if (recompute)
{
GdkDisplay *display = gtk_widget_get_display (previewarea);
GdkCursor *cursor;
cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
gdk_window_set_cursor (previewarea->window, cursor);
gdk_cursor_unref (cursor);
compute_preview (startx, starty, pw, ph);
cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
gdk_window_set_cursor (previewarea->window, cursor);
gdk_cursor_unref (cursor);
gdk_flush ();
/* if we recompute, clear backbuf, so we don't
* restore the wrong bitmap */
if (backbuf.image != NULL)
{
g_object_unref (backbuf.image);
backbuf.image = NULL;
}
}
gdk_draw_rgb_image (previewarea->window, gc,
0, 0, PREVIEW_WIDTH, PREVIEW_HEIGHT,
GDK_RGB_DITHER_MAX, preview_rgb_data,
3 * PREVIEW_WIDTH);
/* draw symbols if enabled in UI */
if (mapvals.interactive_preview)
{
draw_handles ();
}
}
/* *****************************************************************************
*/
void
display_dsc (void)
{
GdkGC *kontext;
gint len;
gchar *text;
PangoFontDescription *pfd;
PangoLayout *wplabellayout;
if (!do_display_dsc)
return;
if ((textcount >= (int) strlen (displaytext)))
{
do_display_dsc = FALSE;
free (displaytext);
displaytext = NULL;
return;
}
if (textcount > 20)
text = displaytext + textcount;
else
text = displaytext;
kontext = gdk_gc_new (drawable);
len = strlen (text);
/* if (len>10) */
/* len=10; */
/* gdk_gc_set_function (kontext, GDK_OR); */
gdk_gc_set_foreground (kontext, &colors.mygray);
gdk_draw_rectangle (drawable, kontext, 1, 0, gui_status.mapview_y - 40, gui_status.mapview_x,
40);
gdk_gc_set_function (kontext, GDK_COPY);
/* gdk_gc_set_foreground (kontext, &blue); */
/* prints in pango */
wplabellayout = gtk_widget_create_pango_layout (map_drawingarea, text);
//KCFX
if (local_config.guimode == GUI_PDA)
pfd = pango_font_description_from_string ("Sans 8");
else
pfd = pango_font_description_from_string ("Sans bold 14");
pango_layout_set_font_description (wplabellayout, pfd);
/* pango_layout_get_pixel_size (wplabellayout, &width, &height); */
gdk_draw_layout_with_colors (drawable, kontext, 11, gui_status.mapview_y - 30,
wplabellayout, &colors.blue, NULL);
if (wplabellayout != NULL)
g_object_unref (G_OBJECT (wplabellayout));
/* freeing PangoFontDescription, cause it has been copied by prev. call */
pango_font_description_free (pfd);
textcount += 2;
}
static VALUE
rg_set_function(VALUE self, VALUE func)
{
GdkFunction f;
f = (GdkFunction)(RVAL2GENUM(func, GDK_TYPE_FUNCTION));
if (f > GDK_SET)
rb_raise(rb_eArgError, "function out of range");
gdk_gc_set_function(_SELF(self), f);
return self;
}
static void
uni_nav_realize (GtkWidget * widget)
{
GTK_WIDGET_CLASS (uni_nav_parent_class)->realize (widget);
UniNav *nav = UNI_NAV (widget);
nav->gc = gdk_gc_new (gtk_widget_get_window (widget));
gdk_gc_set_function (nav->gc, GDK_INVERT);
gdk_gc_set_line_attributes (nav->gc,
3,
GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
}
/* Determines how the current pixel values and the pixel values being
* drawn are combined to produce the final pixel values. */
int
clip_GDK_GCSETFUNCTION(ClipMachine * cm)
{
C_object *cgc = _fetch_co_arg(cm);
GdkFunction function = _clip_parni(cm,2);
CHECKCOBJ(cgc,GDK_IS_GC(cgc)); CHECKOPT(2,NUMERIC_t);
gdk_gc_set_function(GDK_GC(cgc->object), function);
return 0;
err:
return 1;
}
static void
draw_light_marker (gint xpos,
gint ypos)
{
GdkColor color;
color.red = 0x0;
color.green = 0x0;
color.blue = 0x0;
gdk_gc_set_rgb_bg_color (gc, &color);
color.red = 0x0;
color.green = 0x4000;
color.blue = 0xFFFF;
gdk_gc_set_rgb_fg_color (gc, &color);
gdk_gc_set_function (gc, GDK_COPY);
if (mapvals.lightsource.type == POINT_LIGHT)
{
lightx = xpos;
lighty = ypos;
/* Save background */
/* =============== */
backbuf.x = lightx - 7;
backbuf.y = lighty - 7;
backbuf.w = 14;
backbuf.h = 14;
/* X doesn't like images that's outside a window, make sure */
/* we get the backbuffer image from within the boundaries */
/* ======================================================== */
if (backbuf.x < 0)
backbuf.x = 0;
else if ((backbuf.x + backbuf.w) > PREVIEW_WIDTH)
backbuf.w = (PREVIEW_WIDTH - backbuf.x);
if (backbuf.y < 0)
backbuf.y = 0;
else if ((backbuf.y + backbuf.h) > PREVIEW_HEIGHT)
backbuf.h = (PREVIEW_WIDTH - backbuf.y);
backbuf.image = gdk_drawable_get_image (previewarea->window,
backbuf.x, backbuf.y,
backbuf.w, backbuf.h);
gdk_draw_arc (previewarea->window, gc,
TRUE,
lightx - 7, lighty - 7, 14, 14,
0, 360 * 64);
}
}
/**
* exp_pixmap_clean:
* @exp_pixmap: An "expanding pixmap"
*
* Paints the entire surface area of an #EXP_PIXMAP black.
*/
void exp_pixmap_clean (EXP_PIXMAP *exp_pixmap)
{
GdkGC *gc = NULL ;
gc = gdk_gc_new (exp_pixmap->pixmap) ;
gdk_gc_set_function (gc, GDK_COPY) ;
gdk_gc_set_foreground (gc, &clrBlack) ;
gdk_gc_set_background (gc, &clrBlack) ;
gdk_draw_rectangle (exp_pixmap->pixmap, gc, TRUE, 0, 0, exp_pixmap->cxUsed, exp_pixmap->cyUsed) ;
g_object_unref (gc) ;
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics_setFunction
(JNIEnv *env, jobject obj, jint func)
{
struct graphics *g;
g = (struct graphics *) NSA_GET_PTR (env, obj);
gdk_threads_enter ();
gdk_gc_set_function (g->gc, func);
gdk_threads_leave ();
}
static void
nova_center_cursor_draw (NovaCenter *center)
{
GtkWidget *prvw = center->preview->area;
gint width, height;
gimp_preview_get_size (center->preview, &width, &height);
gdk_gc_set_function (prvw->style->black_gc, GDK_INVERT);
if (show_cursor)
{
if (center->cursor_drawn)
{
gdk_draw_line (prvw->window,
prvw->style->black_gc,
center->oldx, 1, center->oldx,
height - 1);
gdk_draw_line (prvw->window,
prvw->style->black_gc,
1, center->oldy,
width - 1, center->oldy);
}
gdk_draw_line (prvw->window,
prvw->style->black_gc,
center->curx, 1, center->curx,
height - 1);
gdk_draw_line (prvw->window,
prvw->style->black_gc,
1, center->cury,
width - 1, center->cury);
}
/* current position of cursor is updated */
center->oldx = center->curx;
center->oldy = center->cury;
center->cursor_drawn = TRUE;
gdk_gc_set_function (prvw->style->black_gc, GDK_COPY);
}
void
draw_preview_image (gint docompute)
{
gint startx, starty, pw, ph;
GdkColor color;
color.red = 0x0;
color.green = 0x0;
color.blue = 0x0;
gdk_gc_set_rgb_bg_color (gc, &color);
color.red = 0xFFFF;
color.green = 0xFFFF;
color.blue = 0xFFFF;
gdk_gc_set_rgb_fg_color (gc, &color);
gdk_gc_set_function (gc, GDK_COPY);
linetab[0].x1 = -1;
pw = PREVIEW_WIDTH * mapvals.zoom;
ph = PREVIEW_HEIGHT * mapvals.zoom;
startx = (PREVIEW_WIDTH - pw) / 2;
starty = (PREVIEW_HEIGHT - ph) / 2;
if (docompute == TRUE)
{
GdkDisplay *display = gtk_widget_get_display (previewarea);
GdkCursor *cursor;
cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
gdk_window_set_cursor (previewarea->window, cursor);
gdk_cursor_unref (cursor);
compute_preview (0, 0, width - 1, height - 1, pw, ph);
cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
gdk_window_set_cursor(previewarea->window, cursor);
gdk_cursor_unref (cursor);
clear_light_marker ();
}
if (pw != PREVIEW_WIDTH || ph != PREVIEW_HEIGHT)
gdk_window_clear (previewarea->window);
gdk_draw_rgb_image (previewarea->window, gc,
startx, starty, pw, ph,
GDK_RGB_DITHER_MAX,
preview_rgb_data, 3 * pw);
draw_lights (startx, starty, pw, ph);
}
static void
gimp_palette_view_realize (GtkWidget *widget)
{
GimpPaletteView *view = GIMP_PALETTE_VIEW (widget);
GTK_WIDGET_CLASS (parent_class)->realize (widget);
view->gc = gdk_gc_new (widget->window);
gdk_gc_set_function (view->gc, GDK_INVERT);
gdk_gc_set_line_attributes (view->gc, 1,
GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_ROUND);
}
static void draw (QCADDesignObject *obj, GdkDrawable *dst, GdkFunction rop, GdkRectangle *rcClip)
{
int Nix, Nix1 ;
GdkGC *gc = NULL ;
GdkRectangle rcReal ;
GdkPoint ptSrc, ptDst ;
QCADRectangleElectrode *rc_electrode = QCAD_RECTANGLE_ELECTRODE (obj) ;
GdkColor *clr = NULL ;
world_to_real_rect (&(obj->bounding_box), &rcReal) ;
if (!RECT_INTERSECT_RECT (rcReal.x, rcReal.y, rcReal.width, rcReal.height, rcClip->x, rcClip->y, rcClip->width, rcClip->height))
return ;
clr = obj->bSelected ? clr_idx_to_clr_struct (RED) : &(obj->clr) ;
gc = gdk_gc_new (dst) ;
gdk_gc_set_foreground (gc, clr) ;
gdk_gc_set_background (gc, clr) ;
gdk_gc_set_function (gc, rop) ;
gdk_gc_set_clip_rectangle (gc, rcClip) ;
ptSrc.x = world_to_real_x (rc_electrode->precompute_params.pt[0].xWorld) ;
ptSrc.y = world_to_real_y (rc_electrode->precompute_params.pt[0].yWorld) ;
ptDst.x = world_to_real_x (rc_electrode->precompute_params.pt[1].xWorld) ;
ptDst.y = world_to_real_y (rc_electrode->precompute_params.pt[1].yWorld) ;
gdk_draw_line (dst, gc, ptSrc.x, ptSrc.y, ptDst.x, ptDst.y) ;
ptSrc = ptDst ;
ptDst.x = world_to_real_x (rc_electrode->precompute_params.pt[2].xWorld) ;
ptDst.y = world_to_real_y (rc_electrode->precompute_params.pt[2].yWorld) ;
gdk_draw_line (dst, gc, ptSrc.x, ptSrc.y, ptDst.x, ptDst.y) ;
ptSrc = ptDst ;
ptDst.x = world_to_real_x (rc_electrode->precompute_params.pt[3].xWorld) ;
ptDst.y = world_to_real_y (rc_electrode->precompute_params.pt[3].yWorld) ;
gdk_draw_line (dst, gc, ptSrc.x, ptSrc.y, ptDst.x, ptDst.y) ;
ptSrc = ptDst ;
ptDst.x = world_to_real_x (rc_electrode->precompute_params.pt[0].xWorld) ;
ptDst.y = world_to_real_y (rc_electrode->precompute_params.pt[0].yWorld) ;
gdk_draw_line (dst, gc, ptSrc.x, ptSrc.y, ptDst.x, ptDst.y) ;
for (Nix = 0 ; Nix < rc_electrode->n_x_divisions ; Nix++)
for (Nix1 = 0 ; Nix1 < rc_electrode->n_y_divisions ; Nix1++)
{
ptSrc.x = world_to_real_x (exp_array_index_2d (rc_electrode->precompute_params.pts, WorldPoint, Nix1, Nix).xWorld) ;
ptSrc.y = world_to_real_y (exp_array_index_2d (rc_electrode->precompute_params.pts, WorldPoint, Nix1, Nix).yWorld) ;
if (PT_IN_RECT (ptSrc.x, ptSrc.y, rcClip->x, rcClip->y, rcClip->width, rcClip->height))
gdk_draw_point (dst, gc, ptSrc.x, ptSrc.y) ;
}
g_object_unref (gc) ;
}
static void draw (QCADDesignObject *obj, GdkDrawable *dst, GdkFunction rop)
{
GdkGC *gc = NULL ;
char *pszFont = NULL ;
GdkRectangle rc = {0} ;
GdkRectangle rcDst = {0} ;
GdkRectangle rcDraw = {0} ;
QCADLabel *label = NULL ;
if ((label = QCAD_LABEL (obj))->bShrinkWrap)
qcad_label_shrinkwrap (label) ;
world_to_real_rect (&(obj->bounding_box), &rc) ;
gdk_drawable_get_size (dst, &(rcDst.width), &(rcDst.height)) ;
if (!gdk_rectangle_intersect (&rc, &rcDst, &rcDraw)) return ;
gc = gdk_gc_new (dst) ;
gdk_gc_set_function (gc, rop) ;
gdk_gc_set_clip_rectangle (gc, &rc) ;
if (GDK_COPY == rop)
{
gdk_gc_set_foreground (gc, obj->bSelected ? &(QCAD_DESIGN_OBJECT_GET_CLASS (obj)->clrSelected) : &(obj->clr)) ;
draw_string (dst, gc, pszFont = g_strdup_printf ("Courier %d", world_to_real_cy (CYFONT)),
rc.x + XTOP_LABEL_OFFSET, rc.y + YTOP_LABEL_OFFSET, label->psz) ;
g_free (pszFont) ;
}
else
{
if (label->bNeedsEPMDraw)
{
GdkGC *gcEPM = NULL ;
label->bNeedsEPMDraw = FALSE ;
label->epm = exp_pixmap_cond_new (label->epm, dst, rcDraw.width, rcDraw.height, -1) ;
exp_pixmap_clean (label->epm) ;
gcEPM = gdk_gc_new (label->epm->pixmap) ;
gdk_gc_set_foreground (gcEPM, obj->bSelected ? &(QCAD_DESIGN_OBJECT_GET_CLASS (obj)->clrSelected) : &(obj->clr)) ;
draw_string (label->epm->pixmap, gcEPM, pszFont = g_strdup_printf ("Courier %d", world_to_real_cy (CYFONT)),
XTOP_LABEL_OFFSET, YTOP_LABEL_OFFSET, label->psz) ;
g_free (pszFont) ;
g_object_unref (gcEPM) ;
}
gdk_draw_drawable (dst, gc, label->epm->pixmap, 0, 0, rc.x, rc.y, rcDraw.width, rcDraw.height) ;
}
if (obj->bSelected)
gdk_draw_rectangle (dst, gc, FALSE, rc.x, rc.y, rc.width - 1, rc.height - 1) ;
gdk_gc_unref (gc) ;
}