de0c7e1783
Lets separate the task of painting the tile, and saving the tile in tile buffer using GAsyncReadyCallback. This will provide us with better control over tiles -- cancelling the painting operation, and filtering tiles that should not be saved in the tile buffer. Change-Id: I6aae928d8cc0c906034570ed0e9a054763d493a3 Reviewed-on: https://gerrit.libreoffice.org/19725 Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk> Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "tilebuffer.hxx"
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/* ------------------
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Utility functions
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------------------
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*/
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float pixelToTwip(float fInput, float zoom)
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{
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return (fInput / DPI / zoom) * 1440.0f;
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}
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float twipToPixel(float fInput, float zoom)
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{
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return fInput / 1440.0f * DPI * zoom;
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}
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/* ----------------------------
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Tile class member functions
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----------------------------
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*/
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GdkPixbuf* Tile::getBuffer()
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{
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return m_pBuffer;
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}
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void Tile::setPixbuf(GdkPixbuf *buffer)
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{
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if (m_pBuffer == buffer)
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return;
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g_clear_object(&m_pBuffer);
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if (buffer != NULL)
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g_object_ref(buffer);
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m_pBuffer = buffer;
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}
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/* ----------------------------------
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TileBuffer class member functions
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----------------------------------
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*/
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void TileBuffer::resetAllTiles()
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{
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std::map<int, Tile>::iterator it = m_mTiles.begin();
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for (; it != m_mTiles.end(); ++it)
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{
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it->second.valid = false;
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}
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}
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void TileBuffer::setInvalid(int x, int y, float fZoom, GTask* task,
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GThreadPool* lokThreadPool)
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{
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int index = x * m_nWidth + y;
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GError* error = NULL;
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if (m_mTiles.find(index) != m_mTiles.end())
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{
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m_mTiles[index].valid = false;
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LOEvent* pLOEvent = new LOEvent(LOK_PAINT_TILE);
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pLOEvent->m_nPaintTileX = x;
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pLOEvent->m_nPaintTileY = y;
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pLOEvent->m_fPaintTileZoom = fZoom;
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g_task_set_task_data(task, pLOEvent, LOEvent::destroy);
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g_thread_pool_push(lokThreadPool, g_object_ref(task), &error);
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if (error != NULL)
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{
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g_warning("Unable to call LOK_PAINT_TILE: %s", error->message);
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g_clear_error(&error);
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}
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}
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}
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Tile& TileBuffer::getTile(int x, int y, float fZoom, GTask* task,
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GThreadPool* lokThreadPool)
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{
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int index = x * m_nWidth + y;
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GError* error = NULL;
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if (m_mTiles.find(index) != m_mTiles.end() && !m_mTiles[index].valid)
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{
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g_thread_pool_push(lokThreadPool, g_object_ref(task), &error);
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if (error != NULL)
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{
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g_warning("Unable to call LOK_PAINT_TILE: %s", error->message);
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g_clear_error(&error);
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}
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return m_mTiles[index];
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}
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else if(m_mTiles.find(index) == m_mTiles.end())
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{
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g_thread_pool_push(lokThreadPool, g_object_ref(task), &error);
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if (error != NULL)
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{
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g_warning("Unable to call LOK_PAINT_TILE: %s", error->message);
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g_clear_error(&error);
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}
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return m_DummyTile;
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}
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return m_mTiles[index];
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}
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void LOEvent::destroy(void* pMemory)
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{
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LOEvent* pLOEvent = static_cast<LOEvent*>(pMemory);
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delete pLOEvent;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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