int render_keyvalue(cairo_t *cairo, int x, int y, char *k, char *v , int d) {
uint32_t render_x;
cairo_text_extents_t k_extents;
cairo_text_extents_t v_extents;
//we must set the fonts to measure extents
cairo_set_font_face(cairo, conf->keyfont);
cairo_set_font_size(cairo, conf->keyfontsize);
cairo_text_extents(cairo, k, &k_extents);
cairo_set_font_face(cairo, conf->valfont);
cairo_set_font_size(cairo, conf->valfontsize);
cairo_text_extents(cairo, v, &v_extents);
//render key
set_cairo_source_colour(cairo, conf->keycol);
cairo_set_font_face(cairo, conf->keyfont);
cairo_set_font_size(cairo, conf->keyfontsize);
render_x = x;
if(d == RIGHT)
render_x = x - (k_extents.width + v_extents.width + conf->kvpadding);
cairo_move_to(cairo, render_x, y);
cairo_show_text(cairo, k);
//render value
set_cairo_source_colour(cairo, conf->valcol);
cairo_set_font_face(cairo, conf->valfont);
cairo_set_font_size(cairo, conf->valfontsize);
render_x = x + k_extents.width + conf->kvpadding;
if(d == RIGHT)
render_x = x - v_extents.width;
cairo_move_to(cairo, render_x, y);
cairo_show_text(cairo, v);
return k_extents.width + conf->kvpadding + v_extents.width;
}
void CairoRenderer::SetFontFace(InputStream *pStream)
{
FT_Face face;
static cairo_user_data_key_t key;
if (m_cairo_face)
{
cairo_set_font_face(m_pCairo, NULL);
cairo_font_face_destroy(m_cairo_face);
m_cairo_face = NULL;
}
if (pStream)
{
face = FreeType::OpenFace(pStream); // face will be destroyed by FT_Done_Face
if (face)
{
m_cairo_face = cairo_ft_font_face_create_for_ft_face(face, 0);
cairo_font_face_set_user_data(m_cairo_face, &key, face, (cairo_destroy_func_t)FT_Done_Face);
}
}
else
m_cairo_face = cairo_toy_font_face_create("unifont", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
if (m_cairo_face)
cairo_set_font_face(m_pCairo, m_cairo_face);
}
static PyObject *
pycairo_set_font_face (PycairoContext *o, PyObject *obj) {
if (PyObject_TypeCheck(obj, &PycairoFontFace_Type))
cairo_set_font_face (o->ctx, ((PycairoFontFace *)obj)->font_face);
else if (obj == Py_None)
cairo_set_font_face (o->ctx, NULL);
else {
PyErr_SetString(PyExc_TypeError,
"Context.set_font_face() argument must be "
"cairo.FontFace or None");
return NULL;
}
RETURN_NULL_IF_CAIRO_CONTEXT_ERROR(o->ctx);
Py_RETURN_NONE;
}
int render_workspace(cairo_t *cairo, int x, int y,
struct i3_workspace *ws, int d) {
//set colour based on visibility
struct colour *c = conf->inviswscol;
if(strcmp(ws->visible, "true") == 0) c = conf->viswscol;
set_cairo_source_colour(cairo, c);
//set font
cairo_set_font_face(cairo, conf->wsfont);
cairo_set_font_size(cairo, conf->wsfontsize);
cairo_text_extents_t extents;
cairo_text_extents(cairo, ws->name, &extents);
int render_x = x;
if(d == RIGHT) render_x = x - extents.width;
//draw the text
cairo_move_to(cairo, render_x, y);
cairo_show_text(cairo, ws->name);
//update the padding
return extents.width + 2;
}
static VALUE
cr_set_font_face (VALUE self, VALUE face)
{
cairo_set_font_face (_SELF, NIL_P (face) ? NULL : RVAL2CRFONTFACE (face));
cr_check_status (_SELF);
return self;
}
void label_t::paint() {
clearSurface();
auto cr = graphics.getContext();
auto bounds = getBounds();
cairo_set_source_rgb(cr, 0, 0, 0);
int textLeft;
int textBot = (bounds.height / 2 - lastExtents.height / 2) + lastExtents.height;
if (alignment == g_text_alignment::CENTER) {
textLeft = bounds.width / 2 - lastExtents.width / 2;
} else if (alignment == g_text_alignment::RIGHT) {
textLeft = bounds.width - lastExtents.width;
} else {
textLeft = 0;
}
cairo_move_to(cr, textLeft, textBot);
cairo_set_font_face(cr, font->getFace());
cairo_set_font_size(cr, fontSize);
cairo_show_text(cr, text.c_str());
}
static void
draw (GtkWidget *drawing_area,
cairo_t *cr,
FT_Face face)
{
cairo_font_extents_t font_extents;
gint *sizes = NULL, n_sizes, alpha_size, pos_y, i;
const gchar *text;
cairo_font_face_t *font;
text = get_sample_string (face);
sizes = build_sizes_table (face, &n_sizes, &alpha_size);
font = cairo_ft_font_face_create_for_ft_face (face, 0);
cairo_set_font_face (cr, font);
cairo_font_extents (cr, &font_extents);
cairo_font_face_destroy (font);
/* draw text */
pos_y = MAX (font_extents.height, 32) + 4;
cairo_set_font_size (cr, alpha_size);
draw_string (cr, lowercase_text, &pos_y);
draw_string (cr, uppercase_text, &pos_y);
draw_string (cr, punctuation_text, &pos_y);
pos_y += 8;
for (i = 0; i < n_sizes; i++) {
cairo_set_font_size (cr, sizes[i]);
draw_string (cr, text, &pos_y);
}
g_free (sizes);
}
int toolwin_win_create(ToolWin *tw) {
tw->win = XCreateSimpleWindow(dpy, root, 20, 20, tw->w, tw->h, 0, 0, 0);
tw->buf = XCreatePixmap(dpy, root, tw->w, tw->h, DefaultDepth(dpy,scr));
cairo_surface_t *t = cairo_xlib_surface_create(dpy, tw->buf,
DefaultVisual(dpy,scr), tw->w, tw->h);
tw->ctx = cairo_create(t);
cairo_surface_destroy(t);
cairo_set_font_face(tw->ctx,conf.font);
cairo_set_font_size(tw->ctx,conf.font_size);
XSelectInput(dpy, tw->win, EVENT_MASK);
XSetTransientForHint(dpy, tw->win, win);
XSetWMProtocols(dpy, tw->win, &WM_DELETE_WINDOW, 1);
XSizeHints *hints = XAllocSizeHints();
hints->min_width = hints->max_width = tw->w;
hints->min_height = hints->max_height = tw->h;
hints->flags = PMinSize | PMaxSize;
XSetWMNormalHints(dpy, tw->win, hints);
XFree(hints);
XStoreName(dpy, tw->win, tw->name);
if (tw->backing) tw->backing(tw);
else toolwin_backing(tw);
XSetWindowBackgroundPixmap(dpy, tw->win, tw->buf);
XFlush(dpy);
return 0;
}
void ilG_gui_textlayout_getExtents(ilG_gui_textlayout *self, unsigned *rx, unsigned *ry, int *bx, int *by, int *ax, int *ay)
{
if (!self->have_size) {
self->have_size = 1;
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
cairo_t *cr = cairo_create(surface);
il_return_on_fail(self->cairo_glyphs);
cairo_set_font_face(cr, self->cairo_ft_face);
cairo_set_font_size(cr, self->pt);
cairo_glyph_extents(cr, self->cairo_glyphs, self->glyph_count, &self->extents);
cairo_surface_destroy(surface);
cairo_destroy(cr);
}
if (rx) {
*rx = self->extents.width;
}
if (ry) {
*ry = self->extents.height + 1; // TODO: ????
}
if (bx) {
*bx = self->extents.x_bearing;
}
if (by) {
*by = self->extents.y_bearing;
}
if (ax) {
*ax = self->extents.x_advance;
}
if (ay) {
*ay = self->extents.y_advance;
}
}
static int info_draw(ToolWin *tw) {
toolwin_backing(tw);
/* info */
cairo_set_source_rgba(tw->ctx,0,0,0,1.0);
cairo_set_font_face(tw->ctx, conf.bfont);
cairo_move_to(tw->ctx, 0, 8);
info_printf(tw, A_CENTER, "%.3lf sec, %.2lf KHz",
spect->fft->time[mx],spect->fft->freq[my]);
cairo_rel_move_to(tw->ctx,0,12);
info_split_printf(tw, "Threshold:", "%.2lf", -1.0 * conf.thresh);
info_split_printf(tw, "Spectrogram Floor:", "%.2lf",
-1.0 * conf.spect_floor);
info_split_printf(tw, "Path Length:","%.2lf", spect->pex);
info_split_printf(tw, "Path Duration:","%.3lf", spect->tex);
info_split_printf(tw, "Frequency Excursion:","%.3lf", spect->fex);
cairo_move_to(tw->ctx, 0, 145);
/* modes */
info_split_printf(tw, "Modes:","");
cairo_set_font_face(tw->ctx, conf.bfont);
/* erase */
set_color(tw->ctx,RGBA_ERASE1)
if (mode & MODE_ERASE) set_color(tw->ctx,RGBA_ERASE1)
else cairo_set_source_rgba(tw->ctx,0.8,0.8,0.8,1.0);
cairo_rectangle(tw->ctx, 10, 170, tw->w / 2.0 - 15, 20);
cairo_fill_preserve(tw->ctx);
cairo_set_source_rgba(tw->ctx,0,0,0,1.0);
cairo_stroke(tw->ctx);
cairo_text_extents(tw->ctx,"Erase",&ext);
cairo_move_to(tw->ctx, tw->w / 4.0 - ext.width / 2.0, 185);
cairo_set_source_rgba(tw->ctx,0,0,0,1.0);
cairo_show_text(tw->ctx,"Erase");
/* crop */
if (mode & MODE_CROP) set_color(tw->ctx, RGBA_CROP)
else cairo_set_source_rgba(tw->ctx,0.8,0.8,0.8,1.0);
cairo_rectangle(tw->ctx, 5 + tw->w / 2.0, 170, tw->w / 2.0 - 15, 20);
cairo_fill_preserve(tw->ctx);
cairo_set_source_rgba(tw->ctx,0.0,0.0,0.0,1.0);
cairo_stroke(tw->ctx);
cairo_text_extents(tw->ctx,"Crop",&ext);
cairo_move_to(tw->ctx, tw->w * 0.75 - ext.width / 2.0, 185);
cairo_set_source_rgba(tw->ctx,0,0,0,1.0);
cairo_show_text(tw->ctx,"Crop");
/* draw */
toolwin_draw(tw);
return 0;
}
int renderTruetypeSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *s)
{
int unicode;
cairo_glyph_t glyph;
cairo_text_extents_t extents;
cairo_matrix_t trans;
double ox,oy;
cairoCacheData *cache = MS_IMAGE_RENDERER_CACHE(img);
cairo_renderer *r = CAIRO_RENDERER(img);
faceCacheObj *face = getFontFace(cache,symbol->full_font_path);
if(!face) return MS_FAILURE;
cairo_save(r->cr);
cairo_set_font_face(r->cr,face->face);
cairo_set_font_size(r->cr,s->scale*96/72.0);
msUTF8ToUniChar(symbol->character, &unicode);
if (face->ftface->charmap &&
face->ftface->charmap->encoding == FT_ENCODING_MS_SYMBOL)
unicode |= 0xf000;
glyph.index = FT_Get_Char_Index(face->ftface, unicode);
glyph.x=0;
glyph.y=0;
cairo_glyph_extents(r->cr,&glyph,1,&extents);
ox=extents.x_bearing+extents.width/2.;
oy=extents.y_bearing+extents.height/2.;
cairo_matrix_init_rotate(&trans,-s->rotation);
cairo_matrix_transform_point(&trans,&ox,&oy);
/* cairo_translate(cr,-extents.width/2,-extents.height/2); */
cairo_translate(r->cr,x-ox,y-oy);
cairo_rotate(r->cr, -s->rotation);
cairo_glyph_path(r->cr,&glyph,1);
if (s->outlinewidth) {
msCairoSetSourceColor(r->cr, s->outlinecolor);
cairo_set_line_width(r->cr, s->outlinewidth + 1);
cairo_stroke_preserve(r->cr);
}
if(s->color) {
msCairoSetSourceColor(r->cr, s->color);
cairo_fill_preserve(r->cr);
}
cairo_new_path(r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
}
static int cairo_set_font_face_l( lua_State* L )
{
lua_cairo_t* lc = lua_cairo_check( L, 1 );
lua_cairo_font_face_t* lcff = lua_cairo_font_face_check( L, 2 );
cairo_set_font_face( lc->cairo, lcff->crface );
return( 0 );
}
static int info_split_printf(ToolWin *tw, char *bold, char *fmt, ...) {
char str[MAX_STRING];
va_list arg;
va_start(arg, fmt);
vsprintf(str, fmt, arg);
va_end(arg);
cairo_set_font_face(tw->ctx, conf.bfont);
cairo_text_extents(tw->ctx,bold,&ext);
cairo_rel_move_to(tw->ctx, MARGIN, conf.font_size);
cairo_show_text(tw->ctx,bold);
cairo_rel_move_to(tw->ctx, -1.0 * ext.x_advance - MARGIN, 0);
cairo_set_font_face(tw->ctx, conf.font);
cairo_text_extents(tw->ctx,str,&ext);
cairo_rel_move_to(tw->ctx, tw->w - ext.x_advance - MARGIN, 0);
cairo_show_text(tw->ctx,str);
cairo_rel_move_to(tw->ctx, MARGIN - tw->w, conf.font_size / 3.0);
return 0;
}
static int
cr_set_font_face (lua_State *L) {
cairo_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_CONTEXT);
cairo_font_face_t *face = 0;
if (!lua_isnoneornil(L, 2))
face = *(cairo_font_face_t **) luaL_checkudata(L, 2, OOCAIRO_MT_NAME_FONTFACE);
cairo_set_font_face(*obj, face);
return 0;
}
void Aw::Label::getMetrics(cairo_t *cr, Size& min_size, bool& expandh, bool& expandv)
{
// We over-ride the
switch (m_font_type)
{
case font_type::normal:
cairo_set_font_face(cr, theApp->m_font.m_norm_face);
break;
case font_type::bold:
cairo_set_font_face(cr, theApp->m_font.m_bold_face);
break;
case font_type::mono:
cairo_set_font_face(cr, theApp->m_font.m_mono_face);
break;
}
cairo_text_extents_t te;
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_font_size(cr, m_font_size);
cairo_text_extents (cr, m_text.c_str(), &te);
// anvil_syslog(0, "TEXT: %s %d %d %d %d %d %d\n",
// m_text.c_str(),
// (int)te.width,
// (int)te.height,
// (int)te.x_advance,
// (int)te.y_advance,
// (int)te.x_bearing,
// (int)te.y_bearing
// );
min_size = getMinSize();
if (te.width + 10 > min_size.m_width)
{
min_size.m_width = te.width + 10;
}
if (te.height + 10 > min_size.m_height)
{
min_size.m_height = te.height + 10;
}
expandh = expandH();
expandv = expandV();
}
void Context::setFont( const cinder::Font &font )
{
#if defined( CINDER_COCOA )
cairo_font_face_t *cairoFont = cairo_quartz_font_face_create_for_cgfont( font.getCgFontRef() );
#elif defined( CINDER_MSW )
cairo_font_face_t *cairoFont = cairo_win32_font_face_create_for_logfontw( &font.getLogfont() );
#endif
cairo_set_font_face( mCairo, cairoFont );
cairo_font_face_destroy( cairoFont );
}
void Aw::Label::Draw(cairo_t *cr)
{
//anvil_syslog(0, "AwLabel::Draw %s %d %d\n", m_text.c_str(), size.m_width, size.m_height);
switch (m_font_type)
{
case font_type::normal:
cairo_set_font_face(cr, theApp->m_font.m_norm_face);
break;
case font_type::bold:
cairo_set_font_face(cr, theApp->m_font.m_bold_face);
break;
case font_type::mono:
cairo_set_font_face(cr, theApp->m_font.m_mono_face);
break;
}
cairo_text_extents_t te;
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_font_size(cr, m_font_size);
cairo_text_extents (cr, m_text.c_str(), &te);
double x, y;
switch (m_just)
{
case just::left:
x = te.x_bearing + k_text_gap;
y = m_draw_size.m_height/2 - (te.height/2 + te.y_bearing);
break;
case just::centre:
x = m_draw_size.m_width/2 - (te.width/2 + te.x_bearing);
y = m_draw_size.m_height/2 - (te.height/2 + te.y_bearing);
break;
case just::right:
x = m_draw_size.m_width - te.width - te.x_bearing;
y = m_draw_size.m_height/2 - (te.height/2 + te.y_bearing);
break;
}
cairo_move_to(cr, x, y);
cairo_show_text(cr, m_text.c_str());
drawChild(cr);
}
void SelectFont() {
if (mFontSelected)
return;
cairo_t *cr = mContext->GetCairo();
cairo_set_font_face(cr, mShaper->GetFont()->CairoFontFace());
cairo_set_font_size(cr, mShaper->GetFont()->GetAdjustedSize());
cairo_scaled_font_t *scaledFont = mShaper->GetFont()->CairoScaledFont();
cairo_win32_scaled_font_select_font(scaledFont, mDC);
mFontSelected = true;
}
static gboolean
pango_cairo_win32_font_install (PangoCairoFont *font,
cairo_t *cr)
{
PangoCairoWin32Font *cwfont = PANGO_CAIRO_WIN32_FONT (font);
cairo_set_font_face (cr,
pango_cairo_win32_font_get_font_face (font));
cairo_set_font_matrix (cr, &cwfont->font_matrix);
cairo_set_font_options (cr, cwfont->options);
return TRUE;
}
static void
realize_callback (GtkWidget *drawing_area,
FT_Face face)
{
gint i, pixmap_width, pixmap_height;
const gchar *text;
cairo_text_extents_t extents;
cairo_font_face_t *font;
gint *sizes = NULL, n_sizes, alpha_size;
cairo_t *cr;
cr = gdk_cairo_create (gtk_widget_get_window (drawing_area));
text = get_sample_string (face);
sizes = build_sizes_table (face, &n_sizes, &alpha_size);
/* calculate size of pixmap to use (with 4 pixels padding) ... */
pixmap_width = 8;
pixmap_height = 8;
font = cairo_ft_font_face_create_for_ft_face (face, 0);
cairo_set_font_face (cr, font);
cairo_set_font_size (cr, alpha_size);
cairo_font_face_destroy (font);
cairo_text_extents (cr, lowercase_text, &extents);
pixmap_height += extents.height + 4;
pixmap_width = MAX (pixmap_width, 8 + extents.width);
cairo_text_extents (cr, uppercase_text, &extents);
pixmap_height += extents.height + 4;
pixmap_width = MAX (pixmap_width, 8 + extents.width);
cairo_text_extents (cr, punctuation_text, &extents);
pixmap_height += extents.height + 4;
pixmap_width = MAX (pixmap_width, 8 + extents.width);
pixmap_height += 8;
for (i = 0; i < n_sizes; i++) {
cairo_set_font_size (cr, sizes[i]);
cairo_text_extents (cr, text, &extents);
pixmap_height += extents.height + 4;
pixmap_width = MAX (pixmap_width, 8 + extents.width);
}
gtk_widget_set_size_request (drawing_area, pixmap_width, pixmap_height);
cairo_destroy (cr);
g_free (sizes);
}
void renderLabels(cairo_t* cr, std::vector<std::pair<string, FloatPoint> >& toPlace) {
cairo_save(cr);
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.5);
cairo_font_face_t* font = cairo_toy_font_face_create(DEFAULT_FONT, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_face(cr, font);
cairo_set_font_size(cr, 120.0);
cairo_set_line_width(cr, 2.0);
cairo_text_extents_t textSize;
std::list<shared_ptr<Label> > labels;
int i = 0;
std::vector<shared_ptr<Style>> styles;
for (auto& pair : toPlace)
{
string& text = pair.first;
cairo_text_extents(cr, text.c_str(), &textSize);
shared_ptr<Style> s = boost::make_shared<Style>();
s->text = text;
styles.push_back(s);
FloatPoint center = pair.second + FloatPoint(textSize.width/2.0, textSize.height/2.0);
FloatRect owner = FloatRect(center.x, center.y, center.x, center.y);
FloatPoint origin = pair.second - FloatPoint(textSize.x_bearing, textSize.y_bearing);
shared_ptr<Label> l = boost::make_shared<Label>(FloatRect(pair.second, textSize.width, textSize.height), owner, s->text, s.get(), origin);
cairo_rectangle(cr, l->box.minX, l->box.minY, l->box.getWidth(), l->box.getHeight());
cairo_stroke(cr);
labels.push_back(l);
}
std::vector<shared_ptr<Label> > placed;
placeLabels(labels, placed);
for (auto& l: placed)
{
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
cairo_move_to(cr, l->box.minX, l->box.maxY);
cairo_show_text(cr, l->style->text.str().c_str());
cairo_fill(cr);
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.5);
cairo_rectangle(cr, l->box.minX, l->box.minY, l->box.getWidth(), l->box.getHeight());
cairo_fill(cr);
}
cairo_restore(cr);
}
void TermBox::Draw(cairo_t *cr)
{
m_cols = (m_draw_size.m_width - 10) / 6;
m_rows = (m_draw_size.m_height - 10) / 13;
m_screen->set_size(m_cols, m_rows);
//anvil_syslog(0, "TermBox::Draw() r=%d c=%d\n", m_rows, m_cols);
cairo_set_font_face(cr, theApp->m_font.m_mono_face);
cairo_text_extents_t te;
cairo_set_font_size(cr, 10);
// int ncols = m_draw_size.m_width / 6;
// int nrows = m_draw_size.m_height / 13;
//anvil_syslog(0, "TermBox::Draw r=%d c=%d\n", nrows, m_cols);
int xpos = 0;
int ypos = 0;
m_screen->prepare();
for (int r=0; r<m_rows; ++r)
{
for (int c=0; c<m_cols; ++c)
{
NormalScreen::term_cell cell = m_screen->GetChar(c, r);
// Draw background
cairo_set_source_rgb(cr, cell.back, cell.back, cell.back);
cairo_rectangle(cr, xpos + 4.5, ypos + 7, 7, 13);
cairo_fill(cr);
// Draw char
cairo_set_source_rgb(cr, cell.fore, cell.fore, cell.fore);
cairo_move_to(cr, xpos + 5, ypos + 18);
mbstate_t state;
char buf[10];
int len = wcrtomb(buf, cell.ch, &state);
buf[len] = 0;
cairo_show_text(cr, buf);
xpos += 6;
}
ypos += 13;
xpos = 0;
}
drawChild(cr);
}
ilA_img *ilG_gui_textlayout_render(ilG_gui_textlayout *self, float col[4], enum ilG_gui_textoptions opts)
{
(void)opts;
unsigned w = 0, h = 0;
unsigned x = 0, y = 0;
int bx = 0, by = 0;
int scale = 64;
unsigned i;
self->cairo_ft_face = cairo_ft_font_face_create_for_ft_face(self->ft_face, 0);
self->hb_ft_face = hb_ft_face_create(self->ft_face, NULL);
x *= scale;
y *= scale;
self->cairo_glyphs = calloc(self->glyph_count, sizeof(cairo_glyph_t));
for (i = 0; i < self->glyph_count; i++) {
self->cairo_glyphs[i].index = self->glyph_info[i].codepoint;
self->cairo_glyphs[i].x = (x + self->glyph_pos[i].x_offset)/scale;
self->cairo_glyphs[i].y = (y + self->glyph_pos[i].y_offset)/scale;
x += self->glyph_pos[i].x_advance;
y += self->glyph_pos[i].y_advance;
}
ilG_gui_textlayout_getExtents(self, &w, &h, &bx, &by, NULL, NULL);
self->surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
self->cr = cairo_create(self->surface);
cairo_translate(self->cr, -bx, 1-by);
cairo_set_source_rgba(self->cr, col[0], col[1], col[2], col[3]);
cairo_set_font_face(self->cr, self->cairo_ft_face);
cairo_set_font_size(self->cr, self->pt);
cairo_show_glyphs(self->cr, self->cairo_glyphs, self->glyph_count);
cairo_surface_flush(self->surface);
ilA_img *preswizzle = ilA_img_fromdata(cairo_image_surface_get_data(self->surface), w, h, 8, ILA_IMG_RGBA);
/* R G B A | 0x
* B 0 0 1 0 | 2
* G 0 1 0 0 | 4
* R 1 0 0 0 | 8
* A 0 0 0 1 | 1
*/
ilA_img *img = ilA_img_bgra_to_rgba(preswizzle);//ilA_img_swizzle(preswizzle, 0x2481);
ilA_img_free(preswizzle);
return img;
}
static cairo_status_t
test_scaled_font_init (cairo_scaled_font_t *scaled_font,
cairo_t *cr,
cairo_font_extents_t *extents)
{
cairo_set_font_face (cr,
cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
&fallback_font_key));
cairo_scaled_font_set_user_data (scaled_font,
&fallback_font_key,
cairo_scaled_font_reference (cairo_get_scaled_font (cr)),
(cairo_destroy_func_t) cairo_scaled_font_destroy);
cairo_font_extents (cr, extents);
return CAIRO_STATUS_SUCCESS;
}
static void Rcairo_setup_font(CairoGDDesc* xd, R_GE_gcontext *gc) {
cairo_t *cc = xd->cb->cc;
#ifdef CAIRO_HAS_FT_FONT
int i = gc->fontface - 1;
if (i < 0 || i >= 5) i = 0;
if (Rcairo_fonts[i].updated || (xd->fontface != gc->fontface)){
cairo_set_font_face(cc,Rcairo_fonts[i].face);
set_cf_antialias(cc);
Rcairo_fonts[i].updated = 0;
#ifdef JGD_DEBUG
Rprintf(" font face changed to \"%d\" %fpt\n", gc->fontface, gc->cex*gc->ps + 0.5);
#endif
}
xd->fontface = gc->fontface;
#else
char *Cfontface="Helvetica";
int slant = CAIRO_FONT_SLANT_NORMAL;
int wght = CAIRO_FONT_WEIGHT_NORMAL;
#ifdef WIN32
if (gc->fontface==5) Cfontface="Times";
#else
if (gc->fontface==5) Cfontface="Symbol";
#endif
if (gc->fontfamily[0]) Cfontface=gc->fontfamily;
if (gc->fontface==3 || gc->fontface==4) slant=CAIRO_FONT_SLANT_ITALIC;
if (gc->fontface==2 || gc->fontface==4) wght=CAIRO_FONT_WEIGHT_BOLD;
cairo_select_font_face (cc, Cfontface, slant, wght);
set_cf_antialias(cc);
#ifdef JGD_DEBUG
Rprintf(" font \"%s\" %fpt (slant:%d, weight:%d)\n", Cfontface, gc->cex*gc->ps + 0.5, slant, wght);
#endif
#endif
/* Add 0.5 per devX11.c in R src. We want to match it's png output as close
* as possible. */
cairo_set_font_size (cc, gc->cex * gc->ps * xd->fontscale + 0.5);
}
void draw_axis(cairo_surface_t *cs,int mark){
int i;
cairo_t *c = cairo_create(cs);
cairo_text_extents_t extents;
cairo_font_face_t *ff;
double SW = 105;
cairo_set_source_rgba(c,AXIS_COLOR);
cairo_set_line_width(c,AXIS_LINE_WIDTH);
cairo_move_to(c,0,CR);
cairo_line_to(c,W,CR);
cairo_move_to(c,W-SW/2,CR-SW/3);
cairo_line_to(c,W,CR);
cairo_line_to(c,W-SW/2,CR+SW/3);
cairo_stroke(c);
cairo_set_line_width(c,AXIS_LINE_WIDTH*.75);
if(mark){
for(i=1;i*SPACING<W;i++){
double x = i*SPACING-8;
cairo_move_to(c,x,CR-AXIS_LINE_WIDTH*2);
cairo_line_to(c,x,CR+AXIS_LINE_WIDTH*2);
}
cairo_stroke(c);
}
ff = cairo_toy_font_face_create ("Adobe Garamond",
CAIRO_FONT_SLANT_ITALIC,
CAIRO_FONT_WEIGHT_NORMAL);
if(!ff){
fprintf(stderr,"Unable to create axis font");
exit(1);
}
cairo_set_font_face(c,ff);
cairo_set_font_size(c, AXIS_FONT_SIZE);
cairo_text_extents(c, "time", &extents);
cairo_move_to(c, W-extents.width-SW*.6, CR + AXIS_FONT_SIZE);
cairo_show_text(c, "time");
cairo_font_face_destroy(ff);
cairo_destroy(c);
}
int renderGlyphs2Cairo(imageObj *img, textPathObj *tp, colorObj *c, colorObj *oc, int ow) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairoCacheData *cache = MS_IMAGE_RENDERER_CACHE(img);
cairoFaceCache *cairo_face = NULL;
FT_Face prevface = NULL;
int g;
cairo_set_font_size(r->cr,MS_NINT(tp->glyph_size * 96.0/72.0));
for(g=0;g<tp->numglyphs;g++) {
glyphObj *gl = &tp->glyphs[g];
cairo_glyph_t glyph;
/* load the glyph's face into cairo, if not already present */
if(gl->face->face != prevface) {
cairo_face = getCairoFontFace(cache,gl->face->face);
cairo_set_font_face(r->cr, cairo_face->face);
cairo_set_font_options(r->cr,cairo_face->options);
prevface = gl->face->face;
cairo_set_font_size(r->cr,MS_NINT(tp->glyph_size * 96.0/72.0));
}
cairo_save(r->cr);
cairo_translate(r->cr,gl->pnt.x,gl->pnt.y);
if(gl->rot != 0.0)
cairo_rotate(r->cr, -gl->rot);
glyph.x = glyph.y = 0;
glyph.index = gl->glyph->key.codepoint;
cairo_glyph_path(r->cr,&glyph,1);
cairo_restore(r->cr);
}
if (oc) {
cairo_save(r->cr);
msCairoSetSourceColor(r->cr, oc);
cairo_set_line_width(r->cr, ow + 1);
cairo_stroke_preserve(r->cr);
cairo_restore(r->cr);
}
if(c) {
msCairoSetSourceColor(r->cr, c);
cairo_fill(r->cr);
}
cairo_new_path(r->cr);
return MS_SUCCESS;
}
static cairo_status_t
test_scaled_font_render_glyph (cairo_scaled_font_t *scaled_font,
unsigned long glyph,
cairo_t *cr,
cairo_text_extents_t *extents)
{
cairo_glyph_t cairo_glyph;
cairo_glyph.index = glyph;
cairo_glyph.x = 0;
cairo_glyph.y = 0;
cairo_set_font_face (cr,
cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
&fallback_font_key));
cairo_show_glyphs (cr, &cairo_glyph, 1);
cairo_glyph_extents (cr, &cairo_glyph, 1, extents);
return CAIRO_STATUS_SUCCESS;
}
void Label_t::paint()
{
clearSurface();
cr = graphics.getContext();
bounds = getBounds();
cairo_set_source_rgba(cr, ARGB_TO_CAIRO_PARAMS(shapeColor));
int textLeft;
int textBot = (bounds.height / 2 - lastExtents.height / 2) + lastExtents.height;
if (alignment == TextAlignment::CENTER) textLeft = bounds.width / 2 - lastExtents.width / 2;
else if (alignment == TextAlignment::RIGHT) textLeft = bounds.width - lastExtents.width;
else textLeft = 0;
cairo_move_to(cr, textLeft, textBot);
cairo_set_font_face(cr, font->getFace());
cairo_set_font_size(cr, fontSize);
cairo_show_text(cr, text.c_str());
}
void Label_t::update()
{
Rectangle thisBounds(0, 0, getBounds().width, getBounds().height);
// Check if the component was ever layouted, otherwise set to a high value
if (!thisBounds.width && !thisBounds.height)
{
thisBounds.width = 9999;
thisBounds.height = 9999;
}
// get text bounds
cr = graphics.getContext();
cairo_set_font_face(cr, font->getFace());
cairo_set_font_size(cr, fontSize);
cairo_text_extents(cr, this->text.c_str(), &lastExtents);
Dimension newPreferred(lastExtents.width + 3, lastExtents.height + 3);
// Set new preferred size
if (getPreferredSize() != newPreferred) setPreferredSize(newPreferred);
markFor(COMPONENT_REQUIREMENT_PAINT);
}
