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svg_loader SvgLoader: Print inefficient elements

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Opacity is 0
both Fill.Opacity and Stroke Opacity are 0
point is 0 in Path
declared display="none"
width or height of bounds becomes 0
This commit is contained in:
JunsuChoi 2020-12-17 13:03:52 +09:00 • committed by Hermet Park
parent 135e6c872b
commit 23331cf8d4
3 changed files with 46 additions and 2 deletions
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40
src/loaders/svg/tvgSvgLoader.cpp
View file

@ -2225,9 +2225,49 @@ static void _styleInherit(SvgStyleProperty* child, SvgStyleProperty* parent)
}
#ifdef THORVG_LOG_ENABLED
static void _inefficientNodeCheck(SvgNode* node){
if (!node->display) printf("SVG: Inefficient elements used [Display is none][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
if (node->style->opacity == 0) printf("SVG: Inefficient elements used [Opacity is zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
if (node->style->fill.opacity == 0 && node->style->stroke.opacity == 0) printf("SVG: Inefficient elements used [Fill opacity and stroke opacity are zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
switch (node->type) {
case SvgNodeType::Path: {
if (!node->node.path.path || node->node.path.path->empty()) printf("SVG: Inefficient elements used [Empty path][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
case SvgNodeType::Ellipse: {
if (node->node.ellipse.rx == 0 && node->node.ellipse.ry == 0) printf("SVG: Inefficient elements used [Size is zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
case SvgNodeType::Polygon:
case SvgNodeType::Polyline: {
if (node->node.polygon.pointsCount < 2) printf("SVG: Inefficient elements used [Invalid Polygon][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
case SvgNodeType::Circle: {
if (node->node.circle.r == 0) printf("SVG: Inefficient elements used [Size is zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
case SvgNodeType::Rect: {
if (node->node.rect.w == 0 && node->node.rect.h) printf("SVG: Inefficient elements used [Size is zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
case SvgNodeType::Line: {
if (node->node.line.x1 == node->node.line.x2 && node->node.line.y1 == node->node.line.y2) printf("SVG: Inefficient elements used [Size is zero][Node Type : %s]\n", _nodeTypeToString(node->type).c_str());
break;
}
default: break;
}
}
#endif
static void _updateStyle(SvgNode* node, SvgStyleProperty* parentStyle)
{
_styleInherit(node->style, parentStyle);
#ifdef THORVG_LOG_ENABLED
_inefficientNodeCheck(node);
#endif
auto child = node->child.data;
for (uint32_t i = 0; i < node->child.count; ++i, ++child) {

4
src/loaders/svg/tvgSvgLoaderCommon.h
View file

@ -347,4 +347,8 @@ struct SvgLoaderData
bool result = false;
};
#ifdef THORVG_LOG_ENABLED
string _nodeTypeToString(SvgNodeType type);
#endif
#endif

4
src/loaders/svg/tvgXmlParser.cpp
View file

@ -35,7 +35,7 @@
#include "tvgXmlParser.h"
#ifdef THORVG_LOG_ENABLED
static string nodeTypeToString(SvgNodeType type)
string _nodeTypeToString(SvgNodeType type)
{
switch (type) {
case SvgNodeType::Doc: return "Doc";
@ -186,7 +186,7 @@ bool simpleXmlParseAttributes(const char* buf, unsigned bufLength, simpleXMLAttr
tval[valueEnd - value] = '\0';
#ifdef THORVG_LOG_ENABLED
if (!func((void*)data, tmpBuf, tval)) printf("SVG: Unsupported attributes used [Elements type: %s][Attribute: %s]\n", nodeTypeToString(((SvgLoaderData*)data)->svgParse->node->type).c_str(), tmpBuf);
if (!func((void*)data, tmpBuf, tval)) printf("SVG: Unsupported attributes used [Elements type: %s][Attribute: %s]\n", _nodeTypeToString(((SvgLoaderData*)data)->svgParse->node->type).c_str(), tmpBuf);
#else
func((void*)data, tmpBuf, tval);
#endif