482 lines
12 KiB
C++
482 lines
12 KiB
C++
/**
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* @file llpreviewtexture.cpp
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* @brief LLPreviewTexture class implementation
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*
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* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llpreviewtexture.h"
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#include "llagent.h"
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#include "llbutton.h"
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#include "llfilepicker.h"
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#include "llimagetga.h"
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#include "llinventoryview.h"
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#include "llinventory.h"
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#include "llresmgr.h"
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#include "lltextbox.h"
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#include "lltextureview.h"
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#include "llui.h"
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#include "llviewerimage.h"
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#include "llviewerimagelist.h"
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#include "llvieweruictrlfactory.h"
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#include "llviewerwindow.h"
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#include "lllineeditor.h"
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const S32 PREVIEW_TEXTURE_MIN_WIDTH = 300;
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const S32 PREVIEW_TEXTURE_MIN_HEIGHT = 120;
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const S32 CLIENT_RECT_VPAD = 4;
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const F32 SECONDS_TO_SHOW_FILE_SAVED_MSG = 8.f;
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LLPreviewTexture::LLPreviewTexture(const std::string& name,
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const LLRect& rect,
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const std::string& title,
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const LLUUID& item_uuid,
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const LLUUID& object_id,
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BOOL show_keep_discard)
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: LLPreview(name, rect, title, item_uuid, object_id, TRUE, PREVIEW_TEXTURE_MIN_WIDTH, PREVIEW_TEXTURE_MIN_HEIGHT ),
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mLoadingFullImage( FALSE ),
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mShowKeepDiscard(show_keep_discard),
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mCopyToInv(FALSE),
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mIsCopyable(FALSE),
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mLastHeight(0),
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mLastWidth(0)
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{
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LLInventoryItem *item = getItem();
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if(item)
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{
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mImageID = item->getAssetUUID();
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const LLPermissions& perm = item->getPermissions();
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U32 mask = PERM_NONE;
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if(perm.getOwner() == gAgent.getID())
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{
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mask = perm.getMaskBase();
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}
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else if(gAgent.isInGroup(perm.getGroup()))
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{
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mask = perm.getMaskGroup();
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}
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else
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{
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mask = perm.getMaskEveryone();
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}
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if((mask & PERM_ITEM_UNRESTRICTED) == PERM_ITEM_UNRESTRICTED)
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{
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mIsCopyable = TRUE;
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}
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}
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init();
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setTitle(title);
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if (!getHost())
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{
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LLRect curRect = getRect();
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translate(rect.mLeft - curRect.mLeft, rect.mTop - curRect.mTop);
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}
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}
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// Note: uses asset_id as a dummy item id.
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LLPreviewTexture::LLPreviewTexture(
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const std::string& name,
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const LLRect& rect,
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const std::string& title,
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const LLUUID& asset_id,
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BOOL copy_to_inv)
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:
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LLPreview(
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name,
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rect,
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title,
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asset_id,
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LLUUID::null,
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TRUE,
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PREVIEW_TEXTURE_MIN_WIDTH,
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PREVIEW_TEXTURE_MIN_HEIGHT ),
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mImageID(asset_id),
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mLoadingFullImage( FALSE ),
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mShowKeepDiscard(FALSE),
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mCopyToInv(copy_to_inv),
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mIsCopyable(TRUE),
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mLastHeight(0),
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mLastWidth(0)
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{
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init();
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setTitle(title);
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LLRect curRect = getRect();
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translate(curRect.mLeft - rect.mLeft, curRect.mTop - rect.mTop);
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}
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LLPreviewTexture::~LLPreviewTexture()
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{
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if( mLoadingFullImage )
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{
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getWindow()->decBusyCount();
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}
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mImage = NULL;
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}
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void LLPreviewTexture::init()
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{
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if (mCopyToInv)
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{
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gUICtrlFactory->buildFloater(this,"floater_preview_embedded_texture.xml");
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childSetAction("Copy To Inventory",LLPreview::onBtnCopyToInv,this);
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}
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else if (mShowKeepDiscard)
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{
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gUICtrlFactory->buildFloater(this,"floater_preview_texture_keep_discard.xml");
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childSetAction("Keep",onKeepBtn,this);
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childSetAction("Discard",onDiscardBtn,this);
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}
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else
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{
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gUICtrlFactory->buildFloater(this,"floater_preview_texture.xml");
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}
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if (!mCopyToInv)
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{
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LLInventoryItem* item = getItem();
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if (item)
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{
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childSetCommitCallback("desc", LLPreview::onText, this);
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childSetText("desc", item->getDescription());
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childSetPrevalidate("desc", &LLLineEditor::prevalidatePrintableNotPipe);
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}
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}
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}
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void LLPreviewTexture::draw()
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{
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if( getVisible() )
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{
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updateAspectRatio();
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LLPreview::draw();
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if (!mMinimized)
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{
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LLGLSUIDefault gls_ui;
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LLGLSNoTexture gls_notex;
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const LLRect& border = mClientRect;
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LLRect interior = mClientRect;
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interior.stretch( -PREVIEW_BORDER_WIDTH );
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// ...border
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gl_rect_2d( border, LLColor4(0.f, 0.f, 0.f, 1.f));
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gl_rect_2d_checkerboard( interior );
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if ( mImage.notNull() )
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{
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LLGLSTexture gls_no_texture;
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// Draw the texture
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glColor3f( 1.f, 1.f, 1.f );
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gl_draw_scaled_image(interior.mLeft,
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interior.mBottom,
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interior.getWidth(),
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interior.getHeight(),
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mImage);
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// Pump the texture priority
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F32 pixel_area = mLoadingFullImage ? (F32)MAX_IMAGE_AREA : (F32)(interior.getWidth() * interior.getHeight() );
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mImage->addTextureStats( pixel_area );
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// Don't bother decoding more than we can display, unless
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// we're loading the full image.
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if (!mLoadingFullImage)
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{
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S32 int_width = interior.getWidth();
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S32 int_height = interior.getHeight();
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mImage->setKnownDrawSize(int_width, int_height);
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}
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else
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{
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// Don't use this feature
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mImage->setKnownDrawSize(0, 0);
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}
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if( mLoadingFullImage )
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{
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LLFontGL::sSansSerif->renderUTF8("Receiving:", 0,
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interior.mLeft + 4,
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interior.mBottom + 4,
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LLColor4::white, LLFontGL::LEFT, LLFontGL::BOTTOM,
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LLFontGL::DROP_SHADOW);
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F32 data_progress = mImage->mDownloadProgress;
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// Draw the progress bar.
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const S32 BAR_HEIGHT = 12;
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const S32 BAR_LEFT_PAD = 80;
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S32 left = interior.mLeft + 4 + BAR_LEFT_PAD;
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S32 bar_width = mRect.getWidth() - left - RESIZE_HANDLE_WIDTH - 2;
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S32 top = interior.mBottom + 4 + BAR_HEIGHT;
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S32 right = left + bar_width;
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S32 bottom = top - BAR_HEIGHT;
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LLColor4 background_color(0.f, 0.f, 0.f, 0.75f);
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LLColor4 decoded_color(0.f, 1.f, 0.f, 1.0f);
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LLColor4 downloaded_color(0.f, 0.5f, 0.f, 1.0f);
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gl_rect_2d(left, top, right, bottom, background_color);
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if (data_progress > 0.0f)
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{
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// Downloaded bytes
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right = left + llfloor(data_progress * (F32)bar_width);
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if (right > left)
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{
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gl_rect_2d(left, top, right, bottom, downloaded_color);
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}
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}
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}
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else
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if( !mSavedFileTimer.hasExpired() )
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{
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LLFontGL::sSansSerif->renderUTF8("File Saved", 0,
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interior.mLeft + 4,
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interior.mBottom + 4,
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LLColor4::white, LLFontGL::LEFT, LLFontGL::BOTTOM,
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LLFontGL::DROP_SHADOW);
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}
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}
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}
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}
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}
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// virtual
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BOOL LLPreviewTexture::canSaveAs()
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{
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return mIsCopyable && !mLoadingFullImage && mImage.notNull() && !mImage->isMissingAsset();
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}
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// virtual
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void LLPreviewTexture::saveAs()
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{
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if( !mLoadingFullImage )
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{
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LLFilePicker& file_picker = LLFilePicker::instance();
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if( !file_picker.getSaveFile( LLFilePicker::FFSAVE_TGA ) )
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{
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// User canceled save.
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return;
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}
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mSaveFileName = file_picker.getFirstFile();
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mLoadingFullImage = TRUE;
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getWindow()->incBusyCount();
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mImage->setLoadedCallback( LLPreviewTexture::onFileLoadedForSave,
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0,
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TRUE,
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new LLUUID( mItemUUID ) );
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}
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}
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// static
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void LLPreviewTexture::onFileLoadedForSave(BOOL success,
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LLViewerImage *src_vi,
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LLImageRaw* src,
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LLImageRaw* aux_src,
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S32 discard_level,
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BOOL final,
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void* userdata)
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{
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LLUUID* item_uuid = (LLUUID*) userdata;
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LLPreviewTexture* self = NULL;
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preview_map_t::iterator found_it = LLPreview::sInstances.find(*item_uuid);
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if(found_it != LLPreview::sInstances.end())
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{
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self = (LLPreviewTexture*) found_it->second;
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}
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if( final || !success )
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{
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delete item_uuid;
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if( self )
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{
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self->getWindow()->decBusyCount();
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self->mLoadingFullImage = FALSE;
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}
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}
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if( self && final && success )
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{
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LLPointer<LLImageTGA> image_tga = new LLImageTGA;
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if( !image_tga->encode( src ) )
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{
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LLStringBase<char>::format_map_t args;
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args["[FILE]"] = self->mSaveFileName;
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gViewerWindow->alertXml("CannotEncodeFile", args);
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}
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else if( !image_tga->save( self->mSaveFileName ) )
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{
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LLStringBase<char>::format_map_t args;
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args["[FILE]"] = self->mSaveFileName;
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gViewerWindow->alertXml("CannotWriteFile", args);
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}
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else
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{
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self->mSavedFileTimer.reset();
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self->mSavedFileTimer.setTimerExpirySec( SECONDS_TO_SHOW_FILE_SAVED_MSG );
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}
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self->mSaveFileName.clear();
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}
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if( self && !success )
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{
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gViewerWindow->alertXml("CannotDownloadFile");
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}
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}
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// It takes a while until we get height and width information.
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// When we receive it, reshape the window accordingly.
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void LLPreviewTexture::updateAspectRatio()
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{
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if (!mImage) return;
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S32 image_height = llmax(1, mImage->getHeight(0));
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S32 image_width = llmax(1, mImage->getWidth(0));
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// Attempt to make the image 1:1 on screen.
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// If that fails, cut width by half.
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S32 client_width = image_width;
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S32 horiz_pad = 2 * (LLPANEL_BORDER_WIDTH + PREVIEW_PAD) + PREVIEW_RESIZE_HANDLE_SIZE;
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S32 vert_pad = PREVIEW_HEADER_SIZE + 2 * CLIENT_RECT_VPAD + LLPANEL_BORDER_WIDTH;
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S32 screen_width = gViewerWindow->getWindowWidth();
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S32 max_client_width = screen_width - horiz_pad;
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S32 max_client_height = gViewerWindow->getWindowHeight() - vert_pad;
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F32 inv_aspect_ratio = (F32) image_height / (F32) image_width;
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while ((client_width > max_client_width) || ( llround(client_width * inv_aspect_ratio) > max_client_height ) )
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{
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client_width /= 2;
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}
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S32 view_width = client_width + horiz_pad;
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// Adjust the height based on the width computed above.
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S32 client_height = llround(client_width * inv_aspect_ratio);
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S32 view_height = client_height + vert_pad;
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// set text on dimensions display (should be moved out of here and into a callback of some sort)
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childSetTextArg("dimensions", "[WIDTH]", llformat("%d", mImage->mFullWidth));
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childSetTextArg("dimensions", "[HEIGHT]", llformat("%d", mImage->mFullHeight));
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// add space for dimensions
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S32 info_height = 0;
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LLRect dim_rect;
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childGetRect("dimensions", dim_rect);
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S32 dim_height = dim_rect.getHeight();
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info_height += dim_height + CLIENT_RECT_VPAD;
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view_height += info_height;
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S32 button_height = 0;
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if (mShowKeepDiscard || mCopyToInv) { //mCopyToInvBtn
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// add space for buttons
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view_height += BTN_HEIGHT + CLIENT_RECT_VPAD;
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button_height = BTN_HEIGHT + PREVIEW_PAD;
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}
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if (client_height != mLastHeight || client_width != mLastWidth)
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{
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mLastWidth = client_width;
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mLastHeight = client_height;
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S32 old_top = mRect.mTop;
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S32 old_left = mRect.mLeft;
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if (getHost())
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{
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getHost()->growToFit(this, view_width, view_height);
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}
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else
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{
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reshape( view_width, view_height );
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S32 new_bottom = old_top - mRect.getHeight();
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setOrigin( old_left, new_bottom );
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// Try to keep whole view onscreen, don't allow partial offscreen.
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gFloaterView->adjustToFitScreen(this, FALSE);
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}
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}
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if (!mUserResized)
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{
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// clamp texture size to fit within actual size of floater after attempting resize
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client_width = llmin(client_width, mRect.getWidth() - horiz_pad);
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client_height = llmin(client_height, mRect.getHeight() - PREVIEW_HEADER_SIZE
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- (2 * CLIENT_RECT_VPAD) - LLPANEL_BORDER_WIDTH - info_height);
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}
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else
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{
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client_width = mRect.getWidth() - horiz_pad;
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client_height = llround(client_width * inv_aspect_ratio);
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}
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S32 max_height = mRect.getHeight() - PREVIEW_BORDER - button_height
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- CLIENT_RECT_VPAD - info_height - CLIENT_RECT_VPAD - PREVIEW_HEADER_SIZE;
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max_height = llmax(max_height, 1);
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if (client_height > max_height)
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{
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F32 aspect_ratio = (F32) image_width / (F32) image_height;
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client_height = max_height;
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client_width = llround(client_height * aspect_ratio);
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}
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LLRect window_rect(0, mRect.getHeight(), mRect.getWidth(), 0);
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window_rect.mTop -= (PREVIEW_HEADER_SIZE + CLIENT_RECT_VPAD);
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window_rect.mBottom += PREVIEW_BORDER + button_height + CLIENT_RECT_VPAD + info_height + CLIENT_RECT_VPAD;
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// try to keep aspect ratio when hosted, as hosting view can resize without user input
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mClientRect.setLeftTopAndSize(window_rect.getCenterX() - (client_width / 2), window_rect.mTop, client_width, client_height);
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}
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void LLPreviewTexture::loadAsset()
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{
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mImage = gImageList.getImage(mImageID, MIPMAP_TRUE, FALSE);
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mImage->setBoostLevel(LLViewerImage::BOOST_PREVIEW);
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mAssetStatus = PREVIEW_ASSET_LOADING;
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}
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LLPreview::EAssetStatus LLPreviewTexture::getAssetStatus()
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{
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if (mImage.notNull() && (mImage->mFullWidth * mImage->mFullHeight > 0))
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{
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mAssetStatus = PREVIEW_ASSET_LOADED;
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}
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return mAssetStatus;
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}
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