QPixmap QDeclarativeTextPrivate::wrappedTextImage(bool drawStyle) { //do layout QSize size = cachedLayoutSize; int x = 0; for (int i = 0; i < layout.lineCount(); ++i) { QTextLine line = layout.lineAt(i); if (hAlign == QDeclarativeText::AlignLeft) { x = 0; } else if (hAlign == QDeclarativeText::AlignRight) { x = size.width() - (int)line.naturalTextWidth(); } else if (hAlign == QDeclarativeText::AlignHCenter) { x = (size.width() - (int)line.naturalTextWidth()) / 2; } line.setPosition(QPoint(x, (int)line.y())); } //paint text QPixmap img(size); if (!size.isEmpty()) { img.fill(Qt::transparent); QPainter p(&img); drawWrappedText(&p, QPointF(0,0), drawStyle); } return img; }
void drawTextOverCanvas(RenderingContext* rc, SkCanvas* cv) { SkRect r = SkRect::MakeLTRB(0, 0, rc->getWidth(), rc->getHeight()); r.inset(-100, -100); quad_tree<TextDrawInfo*> boundsIntersect(r, 4, 0.6); SkPaint paintIcon; paintIcon.setStyle(SkPaint::kStroke_Style); paintIcon.setStrokeWidth(1); paintIcon.setColor(0xff000000); paintIcon.setFilterBitmap(true); SkPaint paintText; paintText.setStyle(SkPaint::kFill_Style); paintText.setStrokeWidth(1); paintText.setColor(0xff000000); paintText.setTextAlign(SkPaint::kCenter_Align); if(!sTypeface) sTypeface = SkTypeface::CreateFromName("Droid Serif", SkTypeface::kNormal); paintText.setTypeface(sTypeface); paintText.setAntiAlias(true); SkPaint::FontMetrics fm; // 1. Sort text using text order std::sort(rc->textToDraw.begin(), rc->textToDraw.end(), textOrder); for (uint32_t i = 0; i < rc->textToDraw.size(); i++) { TextDrawInfo* text = rc->textToDraw.at(i); if (text->text.length() > 0) { // sest text size before finding intersection (it is used there) float textSize = rc->getDensityValue(text->textSize); paintText.setTextSize(textSize); paintText.setFakeBoldText(text->bold); paintText.setColor(text->textColor); // align center y paintText.getFontMetrics(&fm); text->centerY += (-fm.fAscent); // calculate if there is intersection bool intersects = findTextIntersection(cv, rc, boundsIntersect, text, &paintText, &paintIcon); if (!intersects) { if(rc->interrupted()){ return; } if (text->drawOnPath && text->path != NULL) { if (text->textShadow > 0) { paintText.setColor(0xFFFFFFFF); paintText.setStyle(SkPaint::kStroke_Style); paintText.setStrokeWidth(2 + text->textShadow); rc->nativeOperations.Pause(); cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset, text->vOffset, paintText); rc->nativeOperations.Start(); // reset paintText.setStyle(SkPaint::kFill_Style); paintText.setStrokeWidth(2); paintText.setColor(text->textColor); } rc->nativeOperations.Pause(); cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset, text->vOffset, paintText); rc->nativeOperations.Start(); } else { if (text->shieldRes.length() > 0) { SkBitmap* ico = getCachedBitmap(rc, text->shieldRes); if (ico != NULL) { float left = text->centerX - rc->getDensityValue(ico->width() / 2) - 0.5f; float top = text->centerY - rc->getDensityValue(ico->height() / 2) - rc->getDensityValue(4.5f); SkRect r = SkRect::MakeXYWH(left, top, rc->getDensityValue(ico->width()), rc->getDensityValue(ico->height())); PROFILE_NATIVE_OPERATION(rc, cv->drawBitmapRect(*ico, (SkIRect*) NULL, r, &paintIcon)); } } drawWrappedText(rc, cv, text, textSize, paintText); } } } } }
/************************************************************************* Renders text on the display. Return number of lines output. *************************************************************************/ size_t Font::drawText(const String& text, const Rect& draw_area, float z, const Rect& clip_rect, TextFormatting fmt, const ColourRect& colours, float x_scale, float y_scale) { size_t thisCount; size_t lineCount = 0; float y_base = draw_area.d_top + getBaseline(y_scale); Rect tmpDrawArea( PixelAligned(draw_area.d_left), PixelAligned(draw_area.d_top), PixelAligned(draw_area.d_right), PixelAligned(draw_area.d_bottom) ); size_t lineStart = 0, lineEnd = 0; String currLine; while (lineEnd < text.length()) { if ((lineEnd = text.find_first_of('\n', lineStart)) == String::npos) lineEnd = text.length(); currLine = text.substr(lineStart, lineEnd - lineStart); lineStart = lineEnd + 1; // +1 to skip \n char switch(fmt) { case LeftAligned: drawTextLine(currLine, Vector3(tmpDrawArea.d_left, y_base, z), clip_rect, colours, x_scale, y_scale); thisCount = 1; y_base += getLineSpacing(y_scale); break; case RightAligned: drawTextLine(currLine, Vector3(tmpDrawArea.d_right - getTextExtent(currLine, x_scale), y_base, z), clip_rect, colours, x_scale, y_scale); thisCount = 1; y_base += getLineSpacing(y_scale); break; case Centred: drawTextLine(currLine, Vector3(PixelAligned(tmpDrawArea.d_left + ((tmpDrawArea.getWidth() - getTextExtent(currLine, x_scale)) / 2.0f)), y_base, z), clip_rect, colours, x_scale, y_scale); thisCount = 1; y_base += getLineSpacing(y_scale); break; case Justified: // new function in order to keep drawTextLine's signature unchanged drawTextLineJustified(currLine, draw_area, Vector3(tmpDrawArea.d_left, y_base, z), clip_rect, colours, x_scale, y_scale); thisCount = 1; y_base += getLineSpacing(y_scale); break; case WordWrapLeftAligned: thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, LeftAligned, colours, x_scale, y_scale); tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale); break; case WordWrapRightAligned: thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, RightAligned, colours, x_scale, y_scale); tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale); break; case WordWrapCentred: thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, Centred, colours, x_scale, y_scale); tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale); break; case WordWrapJustified: // no change needed thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, Justified, colours, x_scale, y_scale); tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale); break; default: throw InvalidRequestException("Font::drawText - Unknown or unsupported TextFormatting value specified."); } lineCount += thisCount; } // should not return 0 return ceguimax(lineCount, (size_t)1); }
void drawTextOverCanvas(RenderingContext* rc, SkCanvas* cv) { SkRect r = SkRect::MakeLTRB(0, 0, rc->width, rc->height); r.inset(-100, -100); quad_tree<TextDrawInfo*> boundsIntersect(r, 4, 0.6); SkPaint paintIcon; paintIcon.setStyle(SkPaint::kStroke_Style); paintIcon.setStrokeWidth(1); paintIcon.setColor(0xff000000); SkPaint paintText; paintText.setStyle(SkPaint::kFill_Style); paintText.setStrokeWidth(1); paintText.setColor(0xff000000); paintText.setTextAlign(SkPaint::kCenter_Align); paintText.setTypeface(serif); paintText.setAntiAlias(true); SkPaint::FontMetrics fm; // 1. Sort text using text order std::sort(rc->textToDraw.begin(), rc->textToDraw.end(), textOrder); uint size = rc->textToDraw.size(); for (uint i = 0; i < size; i++) { TextDrawInfo* text = rc->textToDraw.at(i); if (text->text.length() > 0) { size_t d = text->text.find(DELIM_CHAR); // not used now functionality // possibly it will be used specifying english names after that character if (d > 0) { text->text = text->text.substr(0, d); } // sest text size before finding intersection (it is used there) float textSize = getDensityValue(rc, text->textSize); paintText.setTextSize(textSize); paintText.setFakeBoldText(text->bold); paintText.setColor(text->textColor); // align center y paintText.getFontMetrics(&fm); text->centerY += (-fm.fAscent); // calculate if there is intersection bool intersects = findTextIntersection(cv, rc, boundsIntersect, text, &paintText, &paintIcon); if (!intersects) { if(rc->interrupted()){ return; } if (text->drawOnPath && text->path != NULL) { if (text->textShadow > 0) { paintText.setColor(0xFFFFFFFF); paintText.setStyle(SkPaint::kStroke_Style); paintText.setStrokeWidth(2 + text->textShadow); rc->nativeOperations.pause(); cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset, text->vOffset, paintText); rc->nativeOperations.start(); // reset paintText.setStyle(SkPaint::kFill_Style); paintText.setStrokeWidth(2); paintText.setColor(text->textColor); } rc->nativeOperations.pause(); cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset, text->vOffset, paintText); rc->nativeOperations.start(); } else { if (text->shieldRes.length() > 0) { SkBitmap* ico = getCachedBitmap(rc, text->shieldRes); if (ico != NULL) { rc->nativeOperations.pause(); cv->drawBitmap(*ico, text->centerX - ico->width() / 2 - 0.5f, text->centerY - ico->height() / 2 - getDensityValue(rc, 4.5f), &paintIcon); rc->nativeOperations.start(); } } drawWrappedText(rc, cv, text, textSize, paintText); } } } } }