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author | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-13 19:22:19 +0900 |
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committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-13 21:14:47 +0900 |
commit | c57343e948aa9f3346ad866ad88d4b1330d098b8 (patch) | |
tree | 143dc455ce45167d0ae2809678967eeeb1e62ac6 /ksvg/impl/SVGMaskElementImpl.cc | |
parent | d56dba4d2f900eb73d5ee00586c1b2d84b132b3f (diff) | |
download | tdegraphics-c57343e948aa9f3346ad866ad88d4b1330d098b8.tar.gz tdegraphics-c57343e948aa9f3346ad866ad88d4b1330d098b8.zip |
Renaming of files in preparation for code style tools.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 14d0fbe96c6abdb9da80e99953aec672f999948c)
Diffstat (limited to 'ksvg/impl/SVGMaskElementImpl.cc')
-rw-r--r-- | ksvg/impl/SVGMaskElementImpl.cc | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/ksvg/impl/SVGMaskElementImpl.cc b/ksvg/impl/SVGMaskElementImpl.cc deleted file mode 100644 index d3947ff4..00000000 --- a/ksvg/impl/SVGMaskElementImpl.cc +++ /dev/null @@ -1,540 +0,0 @@ -/* - Copyright (C) 2001-2003 KSVG Team - This file is part of the KDE project - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include <cfloat> - -#include <kdebug.h> -#include <tqimage.h> - -#include "SVGMaskElement.h" - -#include "SVGRectImpl.h" -#include "SVGDocumentImpl.h" -#include "SVGSVGElementImpl.h" -#include "SVGMaskElementImpl.h" -#include "SVGAnimatedLengthImpl.h" -#include "SVGAnimatedEnumerationImpl.h" -#include "SVGUnitConverter.h" -#include "SVGShapeImpl.h" -#include "SVGMatrixImpl.h" -#include "KSVGCanvas.h" -#include "CanvasItems.h" -#include "CanvasFactory.h" -#include "KSVGHelper.h" - -#include <X11/Xos.h> - -using namespace KSVG; - -#include "SVGMaskElementImpl.lut.h" -#include "ksvg_scriptinterpreter.h" -#include "ksvg_ecma.h" - -SVGMaskElementImpl::SVGMaskElementImpl(DOM::ElementImpl *impl) : SVGElementImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGBBoxTarget() -{ - KSVG_EMPTY_FLAGS - - m_x = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this); - m_x->ref(); - - m_y = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this); - m_y->ref(); - - m_width = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this); - m_width->ref(); - - m_height = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this); - m_height->ref(); - - m_maskUnits = new SVGAnimatedEnumerationImpl(); - m_maskUnits->ref(); - - m_maskContentUnits = new SVGAnimatedEnumerationImpl(); - m_maskContentUnits->ref(); - - m_converter = new SVGUnitConverter(); - m_converter->add(m_x); - m_converter->add(m_y); - m_converter->add(m_width); - m_converter->add(m_height); - - m_canvas = 0; - - m_maskCache.setMaxTotalCost(1024 * 1024); -} - -SVGMaskElementImpl::~SVGMaskElementImpl() -{ - if(m_x) - m_x->deref(); - if(m_y) - m_y->deref(); - if(m_width) - m_width->deref(); - if(m_height) - m_height->deref(); - if(m_maskUnits) - m_maskContentUnits->deref(); - if(m_maskUnits) - m_maskContentUnits->deref(); - delete m_converter; - if(m_canvas) - delete m_canvas; -} - -SVGAnimatedEnumerationImpl *SVGMaskElementImpl::maskUnits() const -{ - return m_maskUnits; -} - -SVGAnimatedEnumerationImpl *SVGMaskElementImpl::maskContentUnits() const -{ - return m_maskContentUnits; -} - -SVGAnimatedLengthImpl *SVGMaskElementImpl::x() const -{ - return m_x; -} - -SVGAnimatedLengthImpl *SVGMaskElementImpl::y() const -{ - return m_y; -} - -SVGAnimatedLengthImpl *SVGMaskElementImpl::width() const -{ - return m_width; -} - -SVGAnimatedLengthImpl *SVGMaskElementImpl::height() const -{ - return m_height; -} - -/* -@namespace KSVG -@begin SVGMaskElementImpl::s_hashTable 7 - maskUnits SVGMaskElementImpl::MaskUnits DontDelete|ReadOnly - maskContentUnits SVGMaskElementImpl::MaskContentUnits DontDelete|ReadOnly - x SVGMaskElementImpl::X DontDelete|ReadOnly - y SVGMaskElementImpl::Y DontDelete|ReadOnly - width SVGMaskElementImpl::Width DontDelete|ReadOnly - height SVGMaskElementImpl::Height DontDelete|ReadOnly -@end -*/ -Value SVGMaskElementImpl::getValueProperty(ExecState *exec, int token) const -{ - KSVG_CHECK_ATTRIBUTE - - switch(token) - { - case MaskUnits: - if(!attributeMode) - return m_maskUnits->cache(exec); - else - return Number(m_maskUnits->baseVal()); - case MaskContentUnits: - if(!attributeMode) - return m_maskContentUnits->cache(exec); - else - return Number(m_maskContentUnits->baseVal()); - case X: - if(!attributeMode) - return m_x->cache(exec); - else - return Number(m_x->baseVal()->value()); - case Y: - if(!attributeMode) - return m_y->cache(exec); - else - return Number(m_y->baseVal()->value()); - case Width: - if(!attributeMode) - return m_width->cache(exec); - else - return Number(m_width->baseVal()->value()); - - case Height: - if(!attributeMode) - return m_height->cache(exec); - else - return Number(m_height->baseVal()->value()); - default: - kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; - return Undefined(); - } -} - -void SVGMaskElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr) -{ - // This class has just ReadOnly properties, only with the Internal flag set - // it's allowed to modify those. - if(!(attr & KJS::Internal)) - return; - - switch(token) - { - case MaskUnits: - if(value.toString(exec).qstring() == "objectBoundingBox") - m_maskUnits->setBaseVal(SVGMaskElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); - else - m_maskUnits->setBaseVal(SVGMaskElement::SVG_UNIT_TYPE_USERSPACEONUSE); - break; - case MaskContentUnits: - if(value.toString(exec).qstring() == "objectBoundingBox") - m_maskContentUnits->setBaseVal(SVGMaskElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); - else - m_maskContentUnits->setBaseVal(SVGMaskElement::SVG_UNIT_TYPE_USERSPACEONUSE); - break; - case X: - converter()->modify(x(), value.toString(exec).qstring()); - break; - case Y: - converter()->modify(y(), value.toString(exec).qstring()); - break; - case Width: - converter()->modify(width(), value.toString(exec).qstring()); - break; - case Height: - converter()->modify(height(), value.toString(exec).qstring()); - break; - default: - kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; - } -} - -SVGRectImpl *SVGMaskElementImpl::getBBox() -{ - SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect(); - ret->setX(m_x->baseVal()->value()); - ret->setY(m_y->baseVal()->value()); - ret->setWidth(m_width->baseVal()->value()); - ret->setHeight(m_height->baseVal()->value()); - return ret; -} - -void SVGMaskElementImpl::setAttributes() -{ - SVGElementImpl::setAttributes(); - - // Spec: if attribute not specified, use objectBoundingBox - if(KSVG_TOKEN_NOT_PARSED(MaskUnits)) - KSVG_SET_ALT_ATTRIBUTE(MaskUnits, "objectBoundingBox") - - // Spec: if attribute not specified, use userSpaceOnUse - if(KSVG_TOKEN_NOT_PARSED(MaskContentUnits)) - KSVG_SET_ALT_ATTRIBUTE(MaskContentUnits, "userSpaceOnUse") - - // Spec: if attribute not specified, use "-10%" - if(KSVG_TOKEN_NOT_PARSED(X)) - KSVG_SET_ALT_ATTRIBUTE(X, "-10%"); - - // Spec: if attribute not specified, use "-10%" - if(KSVG_TOKEN_NOT_PARSED(Y)) - KSVG_SET_ALT_ATTRIBUTE(Y, "-10%"); - - // Spec: if attribute not specified, use "120%" - if(KSVG_TOKEN_NOT_PARSED(Width)) - KSVG_SET_ALT_ATTRIBUTE(Width, "120%"); - - // Spec: if attribute not specified, use "120%" - if(KSVG_TOKEN_NOT_PARSED(Height)) - KSVG_SET_ALT_ATTRIBUTE(Height, "120%"); -} - -SVGMaskElementImpl::Mask SVGMaskElementImpl::createMask(SVGShapeImpl *referencingElement, int imageWidth, int imageHeight) -{ - converter()->finalize(referencingElement, ownerSVGElement(), maskUnits()->baseVal()); - - TQ_UINT32 *imageBits = new TQ_UINT32[imageWidth * imageHeight]; - - if(m_canvas == 0) - m_canvas = CanvasFactory::self()->loadCanvas(imageWidth, imageHeight); - - m_canvas->setup(reinterpret_cast<unsigned char *>(imageBits), imageWidth, imageHeight); - m_canvas->setBackgroundColor(tqRgba(0, 0, 0, 0)); - - SVGMatrixImpl *baseMatrix = SVGSVGElementImpl::createSVGMatrix(); - - // Set the scale to map the mask onto the image - double xScale = static_cast<double>(imageWidth) / width()->baseVal()->value(); - double yScale = static_cast<double>(imageHeight) / height()->baseVal()->value(); - - baseMatrix->scaleNonUniform(xScale, yScale); - - SVGRectImpl *bbox = referencingElement->getBBox(); - - if(maskUnits()->baseVal() == SVGMaskElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) - baseMatrix->translate(-(bbox->x() + x()->baseVal()->value()), -(bbox->y() + y()->baseVal()->value())); - else - baseMatrix->translate(-x()->baseVal()->value(), -y()->baseVal()->value()); - - if(maskContentUnits()->baseVal() == SVGMaskElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) - { - baseMatrix->translate(bbox->x(), bbox->y()); - baseMatrix->scaleNonUniform(bbox->width(), bbox->height()); - } - - for(DOM::Node node = firstChild(); !node.isNull(); node = node.nextSibling()) - { - SVGElementImpl *element = ownerDoc()->getElementFromHandle(node.handle()); - SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(element); - SVGTestsImpl *tests = dynamic_cast<SVGTestsImpl *>(element); - SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(element); - - bool ok = tests ? tests->ok() : true; - if(element && shape && style && ok && style->getVisible() && style->getDisplay()) - { - SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(element); - if(locatable) - locatable->updateCachedScreenCTM(baseMatrix); - - element->createItem(m_canvas); - if(shape->item()) - { - shape->item()->setReferenced(true); - m_canvas->invalidate(shape->item(), true); - } - } - } - - m_canvas->update(float(1)); - - for(DOM::Node node = firstChild(); !node.isNull(); node = node.nextSibling()) - { - SVGElementImpl *element = ownerDoc()->getElementFromHandle(node.handle()); - SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(element); - SVGTestsImpl *tests = dynamic_cast<SVGTestsImpl *>(element); - SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(element); - - bool ok = tests ? tests->ok() : true; - if(element && shape && style && ok && style->getVisible() && style->getDisplay()) - { - if(shape) - shape->removeItem(m_canvas); - } - } - - - { - // Note: r and b reversed - //TQImage maskImage(reinterpret_cast<unsigned char *>(imageBits), imageWidth, imageHeight, 32, 0, 0, TQImage::IgnoreEndian); - //maskImage.setAlphaBuffer(true); - //maskImage.save("mask.png", "PNG"); - } - - TQByteArray maskData(imageWidth * imageHeight); - const double epsilon = DBL_EPSILON; - - // Convert the rgba image into an 8-bit mask, according to the specs. - for(int i = 0; i < imageWidth * imageHeight; i++) - { - TQ_UINT32 rgba = imageBits[i]; - -#if X_BYTE_ORDER == X_LITTLE_ENDIAN - double r = (rgba & 0xff) / 255.0; - double g = ((rgba >> 8) & 0xff) / 255.0; - double b = ((rgba >> 16) & 0xff) / 255.0; - double a = ((rgba >> 24) & 0xff) / 255.0; -#else - double a = (rgba & 0xff) / 255.0; - double b = ((rgba >> 8) & 0xff) / 255.0; - double g = ((rgba >> 16) & 0xff) / 255.0; - double r = ((rgba >> 24) & 0xff) / 255.0; -#endif - - // Remove pre-multiplication by alpha. - if(a > epsilon) - { - r /= a; - g /= a; - b /= a; - } - - // Convert to linear RGB - r = KSVGHelper::linearRGBFromsRGB(int(r * 255 + 0.5)) / 255.0; - g = KSVGHelper::linearRGBFromsRGB(int(g * 255 + 0.5)) / 255.0; - b = KSVGHelper::linearRGBFromsRGB(int(b * 255 + 0.5)) / 255.0; - - // Convert 'luminance to alpha' - double luminanceAlpha = 0.2125 * r + 0.7154 * g + 0.0721 * b; - - // Multiply by alpha. - double maskValue = luminanceAlpha * a; - - maskData[i] = static_cast<unsigned char>(maskValue * 255 + 0.5); - } - - delete [] imageBits; - - baseMatrix->deref(); - bbox->deref(); - - // The screenToMask matrix is calculated each time the mask is used so we don't - // need to set it here. - TQWMatrix tempMatrix; - - return Mask(maskData, tempMatrix, imageWidth, imageHeight); -} - -SVGMaskElementImpl::Mask SVGMaskElementImpl::createMask(SVGShapeImpl *referencingElement) -{ - converter()->finalize(referencingElement, ownerSVGElement(), maskUnits()->baseVal()); - - SVGMatrixImpl *refCTM = 0; - SVGLocatableImpl *locatableRef = dynamic_cast<SVGLocatableImpl *>(referencingElement); - if(locatableRef) - refCTM = locatableRef->getScreenCTM(); - else - refCTM = SVGSVGElementImpl::createSVGMatrix(); - - double xScale, yScale; - - refCTM->removeScale(&xScale, &yScale); - refCTM->deref(); - - int imageWidth = static_cast<int>(width()->baseVal()->value() * xScale + 0.5); - int imageHeight = static_cast<int>(height()->baseVal()->value() * yScale + 0.5); - - Mask mask; - - if(imageWidth > 0 && imageHeight > 0) - { - CacheKey key(referencingElement, imageWidth, imageHeight); - - if(!m_maskCache.find(key, mask)) - { - mask = createMask(referencingElement, imageWidth, imageHeight); - m_maskCache.insert(key, mask, imageWidth * imageHeight); - } - - // Generate a mask-coordinates to screen-coordinates matrix - SVGMatrixImpl *matrix = 0; - if(locatableRef) - matrix = locatableRef->getScreenCTM(); - else - matrix = SVGSVGElementImpl::createSVGMatrix(); - - if(maskUnits()->baseVal() == SVGMaskElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) - { - SVGRectImpl *bbox = referencingElement->getBBox(); - matrix->translate(bbox->x() + x()->baseVal()->value(), bbox->y() + y()->baseVal()->value()); - bbox->deref(); - } - else - matrix->translate(x()->baseVal()->value(), y()->baseVal()->value()); - - matrix->scaleNonUniform(1 / xScale, 1 / yScale); - - TQWMatrix screenToMask = matrix->qmatrix().invert(); - matrix->deref(); - - mask.setScreenToMask(screenToMask); - } - - return mask; -} - -TQByteArray SVGMaskElementImpl::maskRectangle(SVGShapeImpl *shape, const TQRect& screenRectangle) -{ - TQByteArray cumulativeMask; - - do - { - SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(shape); - - if(style && style->hasMask()) - { - SVGElementImpl *element = shape->ownerDoc()->rootElement()->getElementById(style->getMask()); - - if(element) - { - SVGMaskElementImpl *maskElement = dynamic_cast<SVGMaskElementImpl *>(element); - - if(maskElement) - { - SVGMaskElementImpl::Mask mask = maskElement->createMask(shape); - - if(!mask.isEmpty()) - { - TQByteArray maskData = mask.rectangle(screenRectangle); - - if(cumulativeMask.size() == 0) - cumulativeMask = maskData; - else - { - int size = cumulativeMask.size(); - - // Multiply into the cumulative mask (using fast divide by 255) - for(int i = 0; i < size; i++) - { - int tmp = maskData[i] * cumulativeMask[i] + 0x80; - cumulativeMask[i] = (tmp + (tmp >> 8)) >> 8; - } - } - } - } - } - } - - DOM::Node parentNode = shape->parentNode(); - - if(!parentNode.isNull()) - { - SVGElementImpl *parent = shape->ownerDoc()->getElementFromHandle(parentNode.handle()); - - if(parent) - shape = dynamic_cast<SVGShapeImpl *>(parent); - else - shape = 0; - } - else - shape = 0; - - } while(shape); - - return cumulativeMask; -} - -SVGMaskElementImpl::Mask::Mask(const TQByteArray& mask, const TQWMatrix& screenToMask, int width, int height) - : m_width(width), m_height(height), m_mask(mask), m_screenToMask(screenToMask) -{ -} - -TQByteArray SVGMaskElementImpl::Mask::rectangle(int screenX, int screenY, int width, int height) -{ - TQByteArray rect(width * height); - - for(int x = 0; x < width; x++) - { - for(int y = 0; y < height; y++) - { - rect[x + y * width] = value(screenX + x, screenY + y); - } - } - - return rect; -} - -TQByteArray SVGMaskElementImpl::Mask::rectangle(const TQRect& rect) -{ - return rectangle(rect.x(), rect.y(), rect.width(), rect.height()); -} |