IntPoint TextView::getCursorPoint(size_t _position) { if (_position >= mLength + 1) _position = mLength; size_t position = 0; int top = 0; int left = 0; for (VectorLineInfo::const_iterator line = mLineInfo.begin(); line != mLineInfo.end(); ++line) { left = line->offset; if (position + line->count >= _position) { for (VectorCharInfo::const_iterator sim = line->simbols.begin(); sim != line->simbols.end(); ++sim) { if (sim->isColour()) continue; if (position == _position) break; position ++; left += sim->getWidth(); } break; } position += line->count + 1; top += mFontHeight; } return IntPoint(left, top); }
IntPoint TextView::getCursorPoint(size_t _position) { setMin(_position, mLength); size_t position = 0; int top = 0; float left = 0.0f; for (VectorLineInfo::const_iterator line = mLineInfo.begin(); line != mLineInfo.end(); ++line) { left = (float)line->offset; if (position + line->count >= _position) { for (VectorCharInfo::const_iterator sim = line->simbols.begin(); sim != line->simbols.end(); ++sim) { if (sim->isColour()) continue; if (position == _position) break; position ++; left += sim->getBearingX() + sim->getAdvance(); } break; } position += line->count + 1; top += mFontHeight; } return IntPoint((int)left, top); }
size_t TextView::getCursorPosition(const IntPoint& _value) { const int height = mFontHeight; size_t result = 0; int top = 0; for (VectorLineInfo::const_iterator line = mLineInfo.begin(); line != mLineInfo.end(); ++line) { // это последняя строка bool lastline = !(line + 1 != mLineInfo.end()); // наша строчка if (top + height > _value.top || lastline) { top += height; float left = (float)line->offset; int count = 0; // ищем символ for (VectorCharInfo::const_iterator sim = line->simbols.begin(); sim != line->simbols.end(); ++sim) { if (sim->isColour()) continue; float fullAdvance = sim->getAdvance() + sim->getBearingX(); if (left + fullAdvance / 2.0f > _value.left) { break; } left += fullAdvance; count ++; } result += count; break; } if (!lastline) { top += height; result += line->count + 1; } } return result; }
void EditText::doRender() { if (nullptr == mFont || !mVisible || mEmptyView) return; if (mRenderItem->getCurrentUpdate() || mTextOutDate) updateRawData(); Vertex* vertex = mRenderItem->getCurrentVertexBuffer(); const RenderTargetInfo& renderTargetInfo = mRenderItem->getRenderTarget()->getInfo(); // колличество отрисованных вершин size_t vertexCount = 0; // текущие цвета uint32 colour = mCurrentColourNative; uint32 inverseColour = mInverseColourNative; uint32 selectedColour = mInvertSelect ? inverseColour : mSelectionBgColor; const VectorLineInfo& textViewData = mTextView.getData(); float top = (float)(-mViewOffset.top + mCoord.top); FloatRect vertexRect; const FloatRect& selectedUVRect = mFont->getGlyphInfo(mBackgroundNormal ? FontCodeType::Selected : FontCodeType::SelectedBack)->uvRect; size_t index = 0; for (VectorLineInfo::const_iterator line = textViewData.begin(); line != textViewData.end(); ++line) { float left = (float)(line->offset - mViewOffset.left + mCoord.left); for (VectorCharInfo::const_iterator sim = line->simbols.begin(); sim != line->simbols.end(); ++sim) { if (sim->isColour()) { colour = sim->getColour() | (colour & 0xFF000000); inverseColour = colour ^ 0x00FFFFFF; selectedColour = mInvertSelect ? inverseColour : mSelectionBgColor; continue; } // смещение текстуры для фона bool select = index >= mStartSelect && index < mEndSelect; float fullAdvance = sim->getBearingX() + sim->getAdvance(); // Render the selection, if any, first. if (select) { vertexRect.set(left, top, left + fullAdvance, top + (float)mFontHeight); drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, selectedUVRect, selectedColour); } // Render the glyph shadow, if any. if (mShadow) { vertexRect.left = left + sim->getBearingX() + 1.0f; vertexRect.top = top + sim->getBearingY() + 1.0f; vertexRect.right = vertexRect.left + sim->getWidth(); vertexRect.bottom = vertexRect.top + sim->getHeight(); drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, sim->getUVRect(), mShadowColourNative); } // Render the glyph itself. vertexRect.left = left + sim->getBearingX(); vertexRect.top = top + sim->getBearingY(); vertexRect.right = vertexRect.left + sim->getWidth(); vertexRect.bottom = vertexRect.top + sim->getHeight(); drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, sim->getUVRect(), (!select || !mInvertSelect) ? colour : inverseColour); left += fullAdvance; ++index; } top += mFontHeight; ++index; } // Render the cursor, if any, last. if (mVisibleCursor) { IntPoint point = mTextView.getCursorPoint(mCursorPosition) - mViewOffset + mCoord.point(); GlyphInfo* cursorGlyph = mFont->getGlyphInfo(static_cast<Char>(FontCodeType::Cursor)); vertexRect.set((float)point.left, (float)point.top, (float)point.left + cursorGlyph->width, (float)(point.top + mFontHeight)); drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, cursorGlyph->uvRect, mCurrentColourNative | 0x00FFFFFF); } // колличество реально отрисованных вершин mRenderItem->setLastVertexCount(vertexCount); }