WRasterImage::WRasterImage(const std::string& type,
const WLength& width, const WLength& height,
WObject *parent)
: WResource(parent),
width_(width),
height_(height),
painter_(0),
impl_(new Impl)
{
impl_->type_ = type;
impl_->w_ = static_cast<unsigned long>(width.toPixels());
impl_->h_ = static_cast<unsigned long>(height.toPixels());
if (!impl_->w_ || !impl_->h_) {
impl_->bitmap_ = 0;
return;
}
impl_->bitmap_ = new SkBitmap();
impl_->bitmap_->setConfig(SkBitmap::kARGB_8888_Config, impl_->w_, impl_->h_);
impl_->bitmap_->allocPixels();
impl_->bitmap_->eraseARGB(0, 0, 0, 0);
impl_->device_ = new SkBitmapDevice(*impl_->bitmap_);
impl_->canvas_ = new SkCanvas(impl_->device_);
impl_->textPaint_.setStyle(SkPaint::kStrokeAndFill_Style);
impl_->textPaint_.setTextEncoding(SkPaint::kUTF8_TextEncoding);
impl_->strokePaint_.setStyle(SkPaint::kStroke_Style);
impl_->fillPaint_.setStyle(SkPaint::kFill_Style);
}
void WPaintedWidget::resize(const WLength& width, const WLength& height)
{
if (!width.isAuto() && !height.isAuto()) {
setLayoutSizeAware(false);
resizeCanvas(static_cast<int>(width.toPixels()),
static_cast<int>(height.toPixels()));
}
WInteractWidget::resize(width, height);
}
int StdGridLayoutImpl2::pixelSize(const WLength& size)
{
if (size.unit() == WLength::Percentage)
return 0;
else
return (int)size.toPixels();
}
void PaintedSlider::sliderResized(const WLength& width, const WLength& height)
{
if (slider_->orientation() == Orientation::Horizontal) {
WLength w = width;
if (!w.isAuto())
w = WLength(w.toPixels() - 10);
resize(w, height);
} else {
WLength h = height;
if (!h.isAuto())
h = WLength(h.toPixels() - 10);
resize(width, h);
}
updateState();
}
void WPdfImage::setChanged(WFlags<PainterChangeFlag> flags)
{
if (!flags.empty()) {
HPDF_Page_GRestore(page_);
HPDF_Page_GSave(page_);
HPDF_ExtGState gstate;
gstate = HPDF_CreateExtGState (pdf_);
currentFont_ = WFont();
if (painter()->hasClipping()) {
const WTransform& t = painter()->clipPathTransform();
if (!painter()->clipPath().isEmpty()) {
applyTransform(t);
drawPlainPath(painter()->clipPath());
HPDF_Page_Clip(page_);
HPDF_Page_EndPath(page_);
applyTransform(t.inverted());
}
}
applyTransform(painter()->combinedTransform());
const WPen& pen = painter()->pen();
if (pen.style() != PenStyle::None) {
const WColor& color = pen.color();
HPDF_Page_SetRGBStroke(page_,
color.red() / 255.,
color.green() / 255.,
color.blue() / 255.);
HPDF_ExtGState_SetAlphaStroke (gstate, color.alpha()/255.);
WLength w = painter()->normalizedPenWidth(pen.width(), false);
HPDF_Page_SetLineWidth(page_, w.toPixels());
switch (pen.capStyle()) {
case PenCapStyle::Flat:
HPDF_Page_SetLineCap(page_, HPDF_BUTT_END);
break;
case PenCapStyle::Square:
HPDF_Page_SetLineCap(page_, HPDF_PROJECTING_SCUARE_END); // scuary !
break;
case PenCapStyle::Round:
HPDF_Page_SetLineCap(page_, HPDF_ROUND_END);
break;
}
switch (pen.joinStyle()) {
case PenJoinStyle::Miter:
HPDF_Page_SetLineJoin(page_, HPDF_MITER_JOIN);
break;
case PenJoinStyle::Bevel:
HPDF_Page_SetLineJoin(page_, HPDF_BEVEL_JOIN);
break;
case PenJoinStyle::Round:
HPDF_Page_SetLineJoin(page_, HPDF_ROUND_JOIN);
break;
}
switch (pen.style()) {
case PenStyle::None:
break;
case PenStyle::SolidLine:
HPDF_Page_SetDash(page_, nullptr, 0, 0);
break;
case PenStyle::DashLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 2, 0);
break;
}
case PenStyle::DotLine: {
const HPDF_UINT16 dash_ptn[] = { 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 2, 0);
break;
}
case PenStyle::DashDotLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2, 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 4, 0);
break;
}
case PenStyle::DashDotDotLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2, 1, 2, 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 6, 0);
break;
}
}
}
const WBrush& brush = painter()->brush();
if (brush.style() != BrushStyle::None) {
const WColor& color = painter()->brush().color();
HPDF_Page_SetRGBFill(page_,
color.red() / 255.,
color.green() / 255.,
color.blue() / 255.);
HPDF_ExtGState_SetAlphaFill (gstate, color.alpha()/255.);
}
HPDF_Page_SetExtGState (page_, gstate);
const WFont& font = painter()->font();
if (font == currentFont_ && !trueTypeFonts_->busy())
return;
/*
* First, try a true type font.
*/
std::string ttfFont;
if (trueTypeFonts_->busy()) {
/*
* We have a resolved true type font.
*/
ttfFont = trueTypeFonts_->drawingFontPath();
} else {
FontSupport::FontMatch match = trueTypeFonts_->matchFont(font);
if (match.matched())
ttfFont = match.fileName();
}
LOG_DEBUG("font: " << ttfFont);
if (font == currentFont_ &&
!ttfFont.empty() &&
currentTtfFont_ == ttfFont)
return;
currentFont_ = font;
const char *font_name = nullptr;
font_ = nullptr;
if (!ttfFont.empty()) {
bool fontOk = false;
std::map<std::string, const char *>::const_iterator i
= ttfFonts_.find(ttfFont);
if (i != ttfFonts_.end()) {
font_name = i->second;
fontOk = true;
} else if (ttfFont.length() > 4) {
std::string suffix
= Utils::lowerCase(ttfFont.substr(ttfFont.length() - 4));
if (suffix == ".ttf") {
font_name = HPDF_LoadTTFontFromFile (pdf_, ttfFont.c_str(),
HPDF_TRUE);
} else if (suffix == ".ttc") {
/* Oops, pango didn't tell us which font to load ... */
font_name = HPDF_LoadTTFontFromFile2(pdf_, ttfFont.c_str(),
0, HPDF_TRUE);
}
if (!font_name)
HPDF_ResetError (pdf_);
else {
ttfFonts_[ttfFont] = font_name;
fontOk = true;
}
}
if (!fontOk)
LOG_ERROR("cannot read font: '" << ttfFont << "': "
"expecting a true type font (.ttf, .ttc)");
}
if (!font_ && font_name) {
font_ = HPDF_GetFont (pdf_, font_name, "UTF-8");
if (!font_)
HPDF_ResetError (pdf_);
else {
trueTypeFont_ = true;
currentTtfFont_ = ttfFont;
}
}
if (!font_) {
trueTypeFont_ = false;
currentTtfFont_.clear();
std::string name = Pdf::toBase14Font(font);
font_ = HPDF_GetFont(pdf_, name.c_str(), nullptr);
}
fontSize_ = font.sizeLength(12).toPixels();
HPDF_Page_SetFontAndSize (page_, font_, fontSize_);
}
}
void WRasterImage::setChanged(WFlags<ChangeFlag> flags)
{
if (flags & Clipping) {
if (painter()->hasClipping()) {
impl_->setTransform(painter()->clipPathTransform());
SkPath clipPath;
impl_->drawPlainPath(clipPath, painter()->clipPath());
impl_->canvas_->clipPath(clipPath, SkRegion::kReplace_Op);
} else {
impl_->canvas_->restore();
impl_->canvas_->save();
}
impl_->setTransform(painter()->combinedTransform());
}
if (flags & Transform) {
impl_->setTransform(painter()->combinedTransform());
flags = Pen | Brush | Font | Hints;
}
if (flags & Hints) {
if (!(painter()->renderHints() & WPainter::Antialiasing)) {
impl_->strokePaint_.setAntiAlias(false);
impl_->fillPaint_.setAntiAlias(false);
impl_->textPaint_.setAntiAlias(false);
} else {
impl_->strokePaint_.setAntiAlias(true);
impl_->fillPaint_.setAntiAlias(true);
impl_->textPaint_.setAntiAlias(true);
}
}
if (flags & Pen) {
const WPen& pen = painter()->pen();
if (pen.style() != NoPen) {
const WColor& color = pen.color();
impl_->strokePaint_.setColor(fromWColor(color));
WLength w = pen.width();
impl_->strokePaint_.setStrokeWidth(SkIntToScalar(w.toPixels()));
switch (pen.capStyle()) {
case FlatCap:
impl_->strokePaint_.setStrokeCap(SkPaint::kButt_Cap);
break;
case SquareCap:
impl_->strokePaint_.setStrokeCap(SkPaint::kSquare_Cap);
break;
case RoundCap:
impl_->strokePaint_.setStrokeCap(SkPaint::kRound_Cap);
break;
}
switch (pen.joinStyle()) {
case MiterJoin:
impl_->strokePaint_.setStrokeJoin(SkPaint::kMiter_Join);
break;
case BevelJoin:
impl_->strokePaint_.setStrokeJoin(SkPaint::kBevel_Join);
break;
case RoundJoin:
impl_->strokePaint_.setStrokeJoin(SkPaint::kRound_Join);
break;
}
SkPathEffect *pe = impl_->strokePaint_.setPathEffect(0);
if (pe)
pe->unref();
switch (pen.style()) {
case NoPen:
break;
case SolidLine:
break;
case DashLine: {
const SkScalar dasharray[] = { SkIntToScalar(4), SkIntToScalar(2) };
impl_->strokePaint_.setPathEffect(new SkDashPathEffect(dasharray, 2,
false))->unref();
break;
}
case DotLine: {
const SkScalar dasharray[] = { SkIntToScalar(1), SkIntToScalar(2) };
impl_->strokePaint_.setPathEffect(new SkDashPathEffect(dasharray, 2,
false))->unref();
break;
}
case DashDotLine: {
const SkScalar dasharray[] = {
SkIntToScalar(4),
SkIntToScalar(2),
SkIntToScalar(1),
SkIntToScalar(2)
};
impl_->strokePaint_.setPathEffect(new SkDashPathEffect(dasharray, 4,
false))->unref();
break;
}
case DashDotDotLine: {
const SkScalar dasharray[] = {
SkIntToScalar(4),
SkIntToScalar(2),
SkIntToScalar(1),
SkIntToScalar(2),
SkIntToScalar(1),
SkIntToScalar(2)
};
impl_->strokePaint_.setPathEffect(new SkDashPathEffect(dasharray, 6,
false))->unref();
break;
}
}
}
}
if (flags & Brush) {
const WBrush& brush = painter()->brush();
if (brush.style() != NoBrush) {
const WColor& color = painter()->brush().color();
impl_->fillPaint_.setColor(fromWColor(color));
}
}
if (flags & Font) {
const WFont& font = painter()->font();
const char *base = 0;
switch (font.genericFamily()) {
case WFont::Default:
case WFont::Serif:
base = "Times";
break;
case WFont::SansSerif:
base = "Helvetica";
break;
case WFont::Monospace:
base = "Courier";
break;
case WFont::Fantasy: // Not really !
base = "Symbol";
break;
case WFont::Cursive: // Not really !
base = "ZapfDingbats";
}
int style = SkTypeface::kNormal;
if (font.style() != WFont::NormalStyle)
style |= SkTypeface::kItalic;
if (font.weight() == WFont::Bold ||
font.weight() == WFont::Bolder)
style |= SkTypeface::kBold;
impl_->textPaint_.setTypeface(SkTypeface::CreateFromName(base,
(SkTypeface::Style)style))->unref();
impl_->textPaint_.setTextSize(SkIntToScalar(font.sizeLength(12).toPixels()));
}
}