/******************************************************************************
 * $Id: mapkml.cpp 11506 2011-04-07 21:08:48Z assefa $ 
 *
 * Project:  MapServer
 * Purpose:  Headers for mapkml.cpp Google Earth KML output
 * Author:   David Kana and the MapServer team
 *
 ******************************************************************************
 * Copyright (c) 1996-2009 Regents of the University of Minnesota.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in 
 * all copies of this Software or works derived from this Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *****************************************************************************/
#include "mapserver.h"

#ifdef USE_KML

#include "mapkmlrenderer.h"

#ifdef __cplusplus
extern "C" {
#endif

KmlRenderer* getKmlRenderer(imageObj* img)
{
    return (KmlRenderer*) img->img.plugin;
}

imageObj* msCreateImageKml(int width, int height, outputFormatObj *format, colorObj* bg)
{
    imageObj *image = NULL;

    image = (imageObj*)malloc(sizeof(imageObj));
    MS_CHECK_ALLOC(image, sizeof(imageObj), NULL);
    memset(image, 0, sizeof(imageObj));

    KmlRenderer *ren = new KmlRenderer(width, height, format, bg);
    image->img.plugin = (void *) ren;

    return image;
}

int msSaveImageKml(imageObj *img, FILE *fp, outputFormatObj *format)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    return renderer->saveImage(img, fp, format);
}

int msRenderLineKml(imageObj *img, shapeObj *p, strokeStyleObj *style)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->renderLine(img, p, style);
    return MS_SUCCESS;
}

int msRenderPolygonKml(imageObj *img, shapeObj *p, colorObj *color)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->renderPolygon(img, p, color);
    return MS_SUCCESS;
}

int msRenderPolygonTiledKml(imageObj *img, shapeObj *p,  imageObj *tile)
{
    /*KmlRenderer* renderer = getKmlRenderer(img);*/
    return MS_SUCCESS;
}

int msRenderLineTiledKml(imageObj *img, shapeObj *p, imageObj *tile)
{
    return MS_SUCCESS;
}

int msRenderGlyphsKml(imageObj *img, double x, double y,
                      labelStyleObj *style, char *text)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->renderGlyphs(img, x, y, style, text);
    return MS_SUCCESS;
}

int msRenderVectorSymbolKml(imageObj *img, double x, double y,
                            symbolObj *symbol, symbolStyleObj *style)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->renderVectorSymbol(img, x, y, symbol, style);
    return MS_SUCCESS;
}

int msRenderPixmapSymbolKml(imageObj *img, double x, double y,
                            symbolObj *symbol, symbolStyleObj *style)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->renderPixmapSymbol(img, x, y, symbol, style);
    return MS_SUCCESS;
}

int msRenderEllipseSymbolKml(imageObj *image, double x, double y, 
                             symbolObj *symbol, symbolStyleObj *style)
{
    KmlRenderer* renderer = getKmlRenderer(image);
    renderer->renderEllipseSymbol(image, x, y, symbol, style);
    return MS_SUCCESS;
}

int msRenderTruetypeSymbolKml(imageObj *image, double x, double y,
                              symbolObj *symbol, symbolStyleObj *style)
{
    KmlRenderer* renderer = getKmlRenderer(image);
    renderer->renderTruetypeSymbol(image, x, y, symbol, style);
    return MS_SUCCESS;
}


int msRenderTileKml(imageObj *img, imageObj *tile, double x, double y)
{
    return MS_SUCCESS;
}

int msGetRasterBufferKml(imageObj *img,rasterBufferObj *rb)
{
    return MS_FAILURE; //not supported for kml
}


int msGetTruetypeTextBBoxKml(rendererVTableObj *r,char *font, double size, char *string,
		rectObj *rect, double **advances)
{
   rect->minx=0.0;
   rect->maxx=0.0;
   rect->miny=0.0;
   rect->maxy=0.0;
   if (advances) {
         int numglyphs = msGetNumGlyphs(string);
         *advances = (double*) msSmallMalloc(numglyphs * sizeof (double));
         for(int i=0;i<numglyphs;i++) {
            (*advances)[i] = size;
         }
   }
   return MS_SUCCESS;
}

int msStartNewLayerKml(imageObj *img, mapObj *map, layerObj *layer)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    return renderer->startNewLayer(img, layer);
}

int msCloseNewLayerKml(imageObj *img, mapObj *map, layerObj *layer)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    return renderer->closeNewLayer(img, layer);
}

int msFreeImageKml(imageObj *image)
{
    KmlRenderer* renderer = getKmlRenderer(image);
    if (renderer)
    {
        delete renderer;
    }
    image->img.plugin=NULL;
    return MS_SUCCESS;
}

int msFreeSymbolKml(symbolObj *symbol)
{
    return MS_SUCCESS;
}

int msStartShapeKml(imageObj *img, shapeObj *shape)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->startShape(img, shape);
    return MS_SUCCESS;
}

int msEndShapeKml(imageObj *img, shapeObj *shape)
{
    KmlRenderer* renderer = getKmlRenderer(img);
    renderer->endShape(img, shape);
    return MS_SUCCESS;
}

int msMergeRasterBufferKml(imageObj *dest, rasterBufferObj *overlay, double opacity, int srcX, 
                           int srcY, int dstX, int dstY, int width, int height) {
    KmlRenderer* renderer = getKmlRenderer(dest);
    return renderer->mergeRasterBuffer(dest,overlay);
}

#ifdef __cplusplus
}
#endif


#endif /*USE_KML*/

int aggInitializeRasterBuffer(rasterBufferObj *rb, int width, int height, int mode);

int msPopulateRendererVTableKML( rendererVTableObj *renderer )
{
#ifdef USE_KML

    renderer->supports_transparent_layers = 1;
    renderer->supports_pixel_buffer = 0;
    renderer->supports_bitmap_fonts = 0;
    renderer->supports_clipping = 0;
    renderer->use_imagecache = 0;
    renderer->default_transform_mode = MS_TRANSFORM_NONE;

    renderer->startLayer = msStartNewLayerKml;
    renderer->endLayer = msCloseNewLayerKml;
    renderer->renderLine=&msRenderLineKml;
    renderer->createImage=&msCreateImageKml;
    renderer->saveImage=&msSaveImageKml;
    renderer->renderPolygon=&msRenderPolygonKml;
    renderer->renderGlyphs=&msRenderGlyphsKml;
    renderer->renderEllipseSymbol = &msRenderEllipseSymbolKml;
    renderer->renderVectorSymbol = &msRenderVectorSymbolKml;
    renderer->renderPixmapSymbol = &msRenderPixmapSymbolKml;
    renderer->renderTruetypeSymbol = &msRenderTruetypeSymbolKml;
    renderer->mergeRasterBuffer = &msMergeRasterBufferKml;
    renderer->loadImageFromFile = msLoadMSRasterBufferFromFile;
    renderer->initializeRasterBuffer = aggInitializeRasterBuffer;
    renderer->getTruetypeTextBBox = &msGetTruetypeTextBBoxKml;
    renderer->renderTile = &msRenderTileKml;
    renderer->renderPolygonTiled = &msRenderPolygonTiledKml;
    renderer->renderLineTiled = NULL;
    renderer->freeSymbol = &msFreeSymbolKml;
    renderer->freeImage=&msFreeImageKml;
    renderer->mergeRasterBuffer = msMergeRasterBufferKml;

    renderer->startShape=&msStartShapeKml;
    renderer->endShape=&msEndShapeKml;

    return MS_SUCCESS;
#else
    msSetError(MS_MISCERR, "KML Driver requested but is not built in", 
               "msPopulateRendererVTableKML()");
    return MS_FAILURE;
#endif
}