diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/views/animated/SkStaticTextView.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/skia/trunk/src/views/animated/SkStaticTextView.cpp Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,191 @@ + +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#include "SkWidgetViews.h" +#include "SkTextBox.h" + +#ifdef SK_DEBUG +static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char attr[]) +{ + const char* value = dom.findAttr(node, attr); + if (value) + SkDebugf("unknown attribute %s=\"%s\"\n", attr, value); +} +#else + #define assert_no_attr(dom, node, attr) +#endif + +SkStaticTextView::SkStaticTextView() +{ + fMargin.set(0, 0); + fMode = kFixedSize_Mode; + fSpacingAlign = SkTextBox::kStart_SpacingAlign; + +// init_skin_paint(kStaticText_SkinEnum, &fPaint); +} + +SkStaticTextView::~SkStaticTextView() +{ +} + +void SkStaticTextView::computeSize() +{ + if (fMode == kAutoWidth_Mode) + { + SkScalar width = fPaint.measureText(fText.c_str(), fText.size()); + this->setWidth(width + fMargin.fX * 2); + } + else if (fMode == kAutoHeight_Mode) + { + SkScalar width = this->width() - fMargin.fX * 2; + int lines = width > 0 ? SkTextLineBreaker::CountLines(fText.c_str(), fText.size(), fPaint, width) : 0; + + this->setHeight(lines * fPaint.getFontSpacing() + fMargin.fY * 2); + } +} + +void SkStaticTextView::setMode(Mode mode) +{ + SkASSERT((unsigned)mode < kModeCount); + + if (fMode != mode) + { + fMode = SkToU8(mode); + this->computeSize(); + } +} + +void SkStaticTextView::setSpacingAlign(SkTextBox::SpacingAlign align) +{ + fSpacingAlign = SkToU8(align); + this->inval(NULL); +} + +void SkStaticTextView::getMargin(SkPoint* margin) const +{ + if (margin) + *margin = fMargin; +} + +void SkStaticTextView::setMargin(SkScalar dx, SkScalar dy) +{ + if (fMargin.fX != dx || fMargin.fY != dy) + { + fMargin.set(dx, dy); + this->computeSize(); + this->inval(NULL); + } +} + +size_t SkStaticTextView::getText(SkString* text) const +{ + if (text) + *text = fText; + return fText.size(); +} + +size_t SkStaticTextView::getText(char text[]) const +{ + if (text) + memcpy(text, fText.c_str(), fText.size()); + return fText.size(); +} + +void SkStaticTextView::setText(const SkString& text) +{ + this->setText(text.c_str(), text.size()); +} + +void SkStaticTextView::setText(const char text[]) +{ + if (text == NULL) + text = ""; + this->setText(text, strlen(text)); +} + +void SkStaticTextView::setText(const char text[], size_t len) +{ + if (!fText.equals(text, len)) + { + fText.set(text, len); + this->computeSize(); + this->inval(NULL); + } +} + +void SkStaticTextView::getPaint(SkPaint* paint) const +{ + if (paint) + *paint = fPaint; +} + +void SkStaticTextView::setPaint(const SkPaint& paint) +{ + if (fPaint != paint) + { + fPaint = paint; + this->computeSize(); + this->inval(NULL); + } +} + +void SkStaticTextView::onDraw(SkCanvas* canvas) +{ + this->INHERITED::onDraw(canvas); + + if (fText.isEmpty()) + return; + + SkTextBox box; + + box.setMode(fMode == kAutoWidth_Mode ? SkTextBox::kOneLine_Mode : SkTextBox::kLineBreak_Mode); + box.setSpacingAlign(this->getSpacingAlign()); + box.setBox(fMargin.fX, fMargin.fY, this->width() - fMargin.fX, this->height() - fMargin.fY); + box.draw(canvas, fText.c_str(), fText.size(), fPaint); +} + +void SkStaticTextView::onInflate(const SkDOM& dom, const SkDOM::Node* node) +{ +if (false) { // avoid bit rot, suppress warning + this->INHERITED::onInflate(dom, node); + + int index; + if ((index = dom.findList(node, "mode", "fixed,auto-width,auto-height")) >= 0) { + this->setMode((Mode)index); + } else { + assert_no_attr(dom, node, "mode"); + } + + if ((index = dom.findList(node, "spacing-align", "start,center,end")) >= 0) { + this->setSpacingAlign((SkTextBox::SpacingAlign)index); + } else { + assert_no_attr(dom, node, "spacing-align"); + } + + SkScalar s[2]; + if (dom.findScalars(node, "margin", s, 2)) { + this->setMargin(s[0], s[1]); + } else { + assert_no_attr(dom, node, "margin"); + } + + const char* text = dom.findAttr(node, "text"); + if (text) { + this->setText(text); + } + + if ((node = dom.getFirstChild(node, "paint")) != NULL && + (node = dom.getFirstChild(node, "screenplay")) != NULL) + { +// FIXME: Including inflate_paint causes Windows build to fail -- it complains +// that SKListView::SkListView is undefined. +#if 0 + inflate_paint(dom, node, &fPaint); +#endif + } +} +}