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/**
* @file llbadge.cpp
* @brief Implementation for badges
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#define LLBADGE_CPP
#include "llbadge.h"
#include "lluictrlfactory.h"
static LLDefaultChildRegistry::Register<LLBadge> r("badge");
// Compiler optimization, generate extern template
template class LLBadge* LLView::getChild<class LLBadge>(const std::string& name, BOOL recurse) const;
LLBadge::Params::Params()
: image("image")
, border_image("border_image")
, border_color("border_color")
, image_color("image_color")
, label("label")
, label_color("label_color")
, location("location", LLRelPos::TOP_LEFT)
, location_percent_hcenter("location_percent_hcenter")
, location_percent_vcenter("location_percent_vcenter")
, padding_horiz("padding_horiz")
, padding_vert("padding_vert")
{
// We set a name here so the name isn't necessary in any xml files that use badges
name = "badge";
}
bool LLBadge::Params::equals(const Params& a) const
{
bool comp = true;
// skip owner in comparison on purpose
comp &= (border_image() == a.border_image());
comp &= (border_color() == a.border_color());
comp &= (image() == a.image());
comp &= (image_color() == a.image_color());
comp &= (label() == a.label());
comp &= (label_color() == a.label_color());
comp &= (location() == a.location());
comp &= (location_percent_hcenter() == a.location_percent_hcenter());
comp &= (location_percent_vcenter() == a.location_percent_vcenter());
comp &= (padding_horiz() == a.padding_horiz());
comp &= (padding_vert() == a.padding_vert());
return comp;
}
LLBadge::LLBadge(const LLBadge::Params& p)
: LLUICtrl(p)
, mOwner(p.owner)
, mBorderImage(p.border_image)
, mBorderColor(p.border_color)
, mGLFont(p.font)
, mImage(p.image)
, mImageColor(p.image_color)
, mLabel(p.label)
, mLabelColor(p.label_color)
, mLocation(p.location)
, mLocationPercentHCenter(0.5f)
, mLocationPercentVCenter(0.5f)
, mPaddingHoriz(p.padding_horiz)
, mPaddingVert(p.padding_vert)
{
if (mImage.isNull())
{
llwarns << "Badge: " << getName() << " with no image!" << llendl;
}
//
// The following logic is to set the mLocationPercentHCenter and mLocationPercentVCenter
// based on the Location enum and our horizontal and vertical location percentages. The
// draw code then uses this on the owner rectangle to compute the screen location for
// the badge.
//
if (!LLRelPos::IsCenter(mLocation))
{
F32 h_center = p.location_percent_hcenter * 0.01f;
F32 v_center = p.location_percent_vcenter * 0.01f;
if (LLRelPos::IsRight(mLocation))
{
mLocationPercentHCenter = 0.5f * (1.0f + h_center);
}
else if (LLRelPos::IsLeft(mLocation))
{
mLocationPercentHCenter = 0.5f * (1.0f - h_center);
}
if (LLRelPos::IsTop(mLocation))
{
mLocationPercentVCenter = 0.5f * (1.0f + v_center);
}
else if (LLRelPos::IsBottom(mLocation))
{
mLocationPercentVCenter = 0.5f * (1.0f - v_center);
}
}
}
LLBadge::~LLBadge()
{
}
void LLBadge::setLabel(const LLStringExplicit& label)
{
mLabel = label;
}
//
// This is a fallback function to render a rectangle for badges without a valid image
//
void renderBadgeBackground(F32 centerX, F32 centerY, F32 width, F32 height, const LLColor4U &color)
{
gGL.pushUIMatrix();
gGL.loadUIIdentity();
gGL.setSceneBlendType(LLRender::BT_REPLACE);
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.color4ubv(color.mV);
gGL.texCoord2i(0, 0);
F32 x = LLFontGL::sCurOrigin.mX + centerX - width * 0.5f;
F32 y = LLFontGL::sCurOrigin.mY + centerY - height * 0.5f;
LLRectf screen_rect(llround(x),
llround(y),
llround(x) + width,
llround(y) + height);
LLVector3 vertices[4];
vertices[0] = LLVector3(screen_rect.mRight, screen_rect.mTop, 1.0f);
vertices[1] = LLVector3(screen_rect.mLeft, screen_rect.mTop, 1.0f);
vertices[2] = LLVector3(screen_rect.mLeft, screen_rect.mBottom, 1.0f);
vertices[3] = LLVector3(screen_rect.mRight, screen_rect.mBottom, 1.0f);
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, 4);
}
gGL.end();
gGL.popUIMatrix();
}
// virtual
void LLBadge::draw()
{
if (!mLabel.empty())
{
LLView* owner_view = mOwner.get();
if (owner_view)
{
//
// Calculate badge position based on owner
//
LLRect owner_rect;
owner_view->localRectToOtherView(owner_view->getLocalRect(), & owner_rect, this);
F32 badge_center_x = owner_rect.mLeft + owner_rect.getWidth() * mLocationPercentHCenter;
F32 badge_center_y = owner_rect.mBottom + owner_rect.getHeight() * mLocationPercentVCenter;
//
// Calculate badge size based on label text
//
LLWString badge_label_wstring = mLabel;
S32 badge_label_begin_offset = 0;
S32 badge_char_length = S32_MAX;
S32 badge_pixel_length = S32_MAX;
F32 *right_position_out = NULL;
BOOL do_not_use_ellipses = false;
F32 badge_width = (2.0f * mPaddingHoriz) +
mGLFont->getWidthF32(badge_label_wstring.c_str(), badge_label_begin_offset, badge_char_length);
F32 badge_height = (2.0f * mPaddingVert) + mGLFont->getLineHeight();
//
// Draw button image, if available.
// Otherwise draw basic rectangular button.
//
F32 alpha = getDrawContext().mAlpha;
if (!mImage.isNull())
{
F32 badge_x = badge_center_x - badge_width * 0.5f;
F32 badge_y = badge_center_y - badge_height * 0.5f;
mImage->drawSolid(badge_x, badge_y, badge_width, badge_height, mImageColor % alpha);
if (!mBorderImage.isNull())
{
mBorderImage->drawSolid(badge_x, badge_y, badge_width, badge_height, mBorderColor % alpha);
}
}
else
{
lldebugs << "No image for badge " << getName() << " on owner " << owner_view->getName() << llendl;
renderBadgeBackground(badge_center_x, badge_center_y,
badge_width, badge_height,
mImageColor % alpha);
}
//
// Draw the label
//
mGLFont->render(badge_label_wstring, badge_label_begin_offset,
badge_center_x, badge_center_y,
mLabelColor % alpha,
LLFontGL::HCENTER, LLFontGL::VCENTER, // centered around the position
LLFontGL::NORMAL, // normal text (not bold, italics, etc.)
LLFontGL::DROP_SHADOW_SOFT,
badge_char_length, badge_pixel_length,
right_position_out, do_not_use_ellipses);
}
}
}
namespace LLInitParam
{
void TypeValues<LLRelPos::Location>::declareValues()
{
declare("bottom", LLRelPos::BOTTOM);
declare("bottom_left", LLRelPos::BOTTOM_LEFT);
declare("bottom_right", LLRelPos::BOTTOM_RIGHT);
declare("center", LLRelPos::CENTER);
declare("left", LLRelPos::LEFT);
declare("right", LLRelPos::RIGHT);
declare("top", LLRelPos::TOP);
declare("top_left", LLRelPos::TOP_LEFT);
declare("top_right", LLRelPos::TOP_RIGHT);
}
}
// eof
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