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Draw browser background with CSSBackgroundRenderer

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develop
Nimetu 3 years ago
parent 12c515c264
commit 2046c4bf6e
2 changed files with 183 additions and 85 deletions
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32
nel/include/nel/gui/group_html.h
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@ -30,6 +30,7 @@
#include "nel/gui/html_element.h"
#include "nel/gui/html_parser.h"
#include "nel/gui/css_style.h"
#include "nel/gui/css_background_renderer.h"
// forward declaration
typedef void CURLM;
@ -148,6 +149,7 @@ namespace NLGUI
// add image download (used by view_bitmap.cpp to load web images)
ICurlDownloadCB *addImageDownload(const std::string &url, CViewBase *img, const CStyleParams &style = CStyleParams(), const TImageType type = NormalImage, const std::string &placeholder = "web_del.tga");
ICurlDownloadCB *addTextureDownload(const std::string &url, sint32 &texId, CViewBase *view);
void removeImageDownload(ICurlDownloadCB *handle, CViewBase *img);
std::string localImageName(const std::string &url);
@ -178,6 +180,7 @@ namespace NLGUI
std::string DefaultRadioButtonBitmapNormal;
std::string DefaultRadioButtonBitmapPushed;
std::string DefaultRadioButtonBitmapOver;
// TODO: remove from interface xml and code
std::string DefaultBackgroundBitmapView;
struct TFormField {
@ -342,6 +345,9 @@ namespace NLGUI
const std::string &overBitmap, const char *actionHandler, const char *actionHandlerParams, const std::string &tooltip,
const CStyleParams &style = CStyleParams());
// Set the background color
void setupBackground(CSSBackgroundRenderer *bg);
// Set the background color
void setBackgroundColor (const NLMISC::CRGBA &bgcolor);
@ -381,6 +387,10 @@ namespace NLGUI
// <style> and downloaded <link rel=stylesheet> elements
std::vector<std::string> _HtmlStyles;
// background from <html> or <body> element
CSSBackgroundRenderer m_HtmlBackground;
CSSBackgroundRenderer m_BodyBackground;
// Valid base href was found
bool _IgnoreBaseUrlTag;
// Fragment from loading url
@ -892,6 +902,25 @@ namespace NLGUI
TImageType Type;
};
class TextureDownloadCB : public CDataDownload
{
public:
TextureDownloadCB(const std::string &url, const std::string &dest, sint32 texId, CViewBase *view)
: CDataDownload(url, dest)
{
addTexture(texId, view);
}
virtual void finish() NL_OVERRIDE;
void addTexture(sint32 texId, CViewBase *view) {
TextureIds.push_back(std::make_pair(texId, view));
}
private:
std::vector<std::pair<sint32, CViewBase *> > TextureIds;
};
class BnpDownloadCB : public CDataDownload
{
public:
@ -959,9 +988,6 @@ namespace NLGUI
// :before, :after rendering
void renderPseudoElement(const std::string &pseudo, const CHtmlElement &elm);
// apply background from current style (for html, body)
void applyBackground(const CHtmlElement &elm);
void insertFormImageButton(const std::string &name,
const std::string &tooltip,
const std::string &src,

234
nel/src/gui/group_html.cpp
Unescape Escape View File

@ -58,6 +58,7 @@
#include "nel/gui/css_style.h"
#include "nel/gui/css_parser.h"
#include "nel/gui/css_border_renderer.h"
#include "nel/gui/css_background_renderer.h"
#include <curl/curl.h>
@ -346,6 +347,25 @@ namespace NLGUI
}
}
void CGroupHTML::TextureDownloadCB::finish()
{
// tmpdest file does not exist if download skipped (ie cache was used)
if (CFile::fileExists(tmpdest) && CFile::getFileSize(tmpdest) == 0)
{
if (CFile::fileExists(dest))
CFile::deleteFile(dest);
CFile::moveFile(dest, tmpdest);
}
CViewRenderer &rVR = *CViewRenderer::getInstance();
for(uint i = 0; i < TextureIds.size(); i++)
{
rVR.reloadTexture(TextureIds[i].first, dest);
TextureIds[i].second->invalidateCoords();
}
}
void CGroupHTML::BnpDownloadCB::finish()
{
bool verified = false;
@ -734,6 +754,63 @@ namespace NLGUI
}
}
// Add a image download request in the multi_curl
// return new textureId and download callback
ICurlDownloadCB *CGroupHTML::addTextureDownload(const string &url, sint32 &texId, CViewBase *view)
{
CViewRenderer &rVR = *CViewRenderer::getInstance();
// data:image/png;base64,AA...==
if (startsWith(url, "data:image/"))
{
texId = rVR.createTextureFromDataURL(url);
return NULL;
}
std::string finalUrl;
// load the image from local files/bnp
if (lookupLocalFile(finalUrl, std::string(CFile::getPath(url) + CFile::getFilenameWithoutExtension(url) + ".tga").c_str(), false))
{
texId = rVR.createTexture(finalUrl);
return NULL;
}
finalUrl = upgradeInsecureUrl(getAbsoluteUrl(url));
// use requested url for local name (cache)
string dest = localImageName(url);
LOG_DL("add to download '%s' dest '%s'", finalUrl.c_str(), dest.c_str());
if (CFile::fileExists(dest) && CFile::getFileSize(dest) > 0)
texId = rVR.createTexture(dest);
else
texId = rVR.newTextureId(dest);
// Search if we are not already downloading this url.
for(std::list<CDataDownload*>::iterator it = Curls.begin(); it != Curls.end(); ++it)
{
if((*it)->url == finalUrl)
{
LOG_DL("already downloading '%s' img %p", finalUrl.c_str(), img);
TextureDownloadCB *cb = dynamic_cast<TextureDownloadCB*>(*it);
if (cb)
{
cb->addTexture(texId, view);
// return pointer to shared ImageDownloadCB
return cb;
}
else
{
nlwarning("Found texture download '%s', but casting to TextureDownloadCB failed", finalUrl.c_str());
}
}
}
Curls.push_back(new TextureDownloadCB(finalUrl, dest, texId, this));
// as we return pointer to callback, skip starting downloads just now
//pumpCurlQueue();
return Curls.back();
}
// Add a image download request in the multi_curl
ICurlDownloadCB *CGroupHTML::addImageDownload(const string &url, CViewBase *img, const CStyleParams &style, TImageType type, const std::string &placeholder)
{
@ -2331,6 +2408,38 @@ namespace NLGUI
doBrowseAnchor(_UrlFragment);
_UrlFragment.clear();
}
if (!m_HtmlBackground.isEmpty() || !m_BodyBackground.isEmpty())
{
// get scroll offset from list
CGroupList *list = getList();
if (list)
{
CInterfaceElement* vp = list->getParentPos() ? list->getParentPos() : this;
sint htmlW = std::max(vp->getWReal(), list->getWReal());
sint htmlH = list->getHReal();
sint htmlX = list->getXReal() + list->getOfsX();
sint htmlY = list->getYReal() + list->getOfsY();
if (!m_HtmlBackground.isEmpty())
{
m_HtmlBackground.setFillViewport(true);
m_HtmlBackground.setBorderArea(htmlX, htmlY, htmlW, htmlH);
m_HtmlBackground.setPaddingArea(htmlX, htmlY, htmlW, htmlH);
m_HtmlBackground.setContentArea(htmlX, htmlY, htmlW, htmlH);
}
if (!m_BodyBackground.isEmpty())
{
// TODO: html padding + html border
m_BodyBackground.setBorderArea(htmlX, htmlY, htmlW, htmlH);
// TODO: html padding + html border + body border
m_BodyBackground.setPaddingArea(htmlX, htmlY, htmlW, htmlH);
// TODO: html padding + html_border + body padding
m_BodyBackground.setContentArea(htmlX, htmlY, htmlW, htmlH);
}
}
}
}
// ***************************************************************************
@ -3185,52 +3294,47 @@ namespace NLGUI
// ***************************************************************************
void CGroupHTML::setupBackground(CSSBackgroundRenderer *bg)
{
if (!bg) return;
bg->setModulateGlobalColor(_Style.Current.GlobalColor);
bg->setBackground(_Style.Current.Background);
bg->setFontSize(_Style.Root.FontSize, _Style.Current.FontSize);
bg->setViewport(getList()->getParentPos() ? getList()->getParentPos() : this);
if (!_Style.Current.Background.image.empty())
addTextureDownload(_Style.Current.Background.image, bg->TextureId, this);
}
// ***************************************************************************
void CGroupHTML::setBackgroundColor (const CRGBA &bgcolor)
{
// Should have a child named bg
// TODO: DefaultBackgroundBitmapView should be removed from interface xml
CViewBase *view = getView (DefaultBackgroundBitmapView);
if (view)
{
CViewBitmap *bitmap = dynamic_cast<CViewBitmap*> (view);
if (bitmap)
{
// TODO: background color should have separate bitmap from background texture
// Change the background color
bitmap->setColor (bgcolor);
bitmap->setModulateGlobalColor(false);
}
}
view->setActive(false);
m_HtmlBackground.setColor(bgcolor);
}
// ***************************************************************************
void CGroupHTML::setBackground (const string &bgtex, bool scale, bool tile)
{
// Should have a child named bg
// TODO: DefaultBackgroundBitmapView should be removed from interface xml
CViewBase *view = getView (DefaultBackgroundBitmapView);
if (view)
{
CViewBitmap *bitmap = dynamic_cast<CViewBitmap*> (view);
if (bitmap)
{
bitmap->setParentPosRef(Hotspot_TL);
bitmap->setPosRef(Hotspot_TL);
bitmap->setX(0);
bitmap->setY(0);
// FIXME: renders behind container background
bitmap->setRenderLayer(-2);
bitmap->setScale(scale);
bitmap->setTile(tile);
view->setActive(false);
// clear size ref for non-scaled image or it does not show up
if (scale || tile)
bitmap->setSizeRef("wh");
else
bitmap->setSizeRef("");
m_HtmlBackground.setImage(bgtex);
m_HtmlBackground.setImageRepeat(tile);
m_HtmlBackground.setImageCover(scale);
addImageDownload(bgtex, view, CStyleParams(), NormalImage, "");
}
}
if (!bgtex.empty())
addTextureDownload(bgtex, m_HtmlBackground.TextureId, this);
}
@ -4013,6 +4117,8 @@ namespace NLGUI
void CGroupHTML::draw ()
{
m_HtmlBackground.draw();
m_BodyBackground.draw();
CGroupScrollText::draw ();
}
@ -4081,9 +4187,14 @@ namespace NLGUI
// Clear all the context
clearContext();
// Reset default background color
setBackgroundColor (_BrowserStyle.Current.Background.color);
setBackground ("blank.tga", true, false);
// Reset default background
m_HtmlBackground.clear();
m_BodyBackground.clear();
// TODO: DefaultBackgroundBitmapView should be removed from interface xml
CViewBase *view = getView (DefaultBackgroundBitmapView);
if (view)
view->setActive(false);
paragraphChange ();
}
@ -5091,46 +5202,6 @@ namespace NLGUI
_CellParams.push_back (cellParams);
}
// ***************************************************************************
void CGroupHTML::applyBackground(const CHtmlElement &elm)
{
bool root = elm.Value == "html" || elm.Value == "body";
// non-empty image
if (_Style.hasStyle("background-image"))
{
bool repeat = _Style.checkStyle("background-repeat", "repeat");
bool scale = _Style.checkStyle("background-size", "100%");
std::string image = _Style.getStyle("background-image");
if (!image.empty())
{
if (root)
{
setBackground (image, scale, repeat);
}
// TODO: else
// default background color is transparent, so image does not show
if (!_Style.hasStyle("background-color") || _Style.checkStyle("background-color", "transparent"))
{
_Style.applyStyle("background-color: #fff;");
}
}
}
if (_Style.hasStyle("background-color"))
{
CRGBA bgColor = _Style.Current.Background.color;
scanHTMLColor(elm.getAttribute("bgcolor").c_str(), bgColor);
if (root)
{
setBackgroundColor(bgColor);
}
// TODO: else
}
}
// ***************************************************************************
void CGroupHTML::insertFormImageButton(const std::string &name, const std::string &tooltip, const std::string &src, const std::string &over, const std::string &formId, const std::string &action, uint32 minWidth, const std::string &templateName)
{
@ -5261,11 +5332,12 @@ namespace NLGUI
{
// override <body> (or <html>) css style attribute
if (elm.hasNonEmptyAttribute("bgcolor"))
{
_Style.applyStyle("background-color: " + elm.getAttribute("bgcolor"));
}
applyBackground(elm);
if (m_HtmlBackground.isEmpty())
setupBackground(&m_HtmlBackground);
else
setupBackground(&m_BodyBackground);
renderPseudoElement(":before", elm);
}
@ -5659,11 +5731,11 @@ namespace NLGUI
void CGroupHTML::htmlHTML(const CHtmlElement &elm)
{
if (elm.hasNonEmptyAttribute("style"))
{
_Style.applyStyle(elm.getAttribute("style"));
}
_Style.Root = _Style.Current;
applyBackground(elm);
setupBackground(&m_HtmlBackground);
}
// ***************************************************************************

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