MapServer/src/mapogl.cpp at main · Daimanta/MapServer · GitHub

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/******************************************************************************

* $id: mapogl.cpp 7725 2011-04-09 15:56:58Z toby $

* Project: MapServer

* Purpose: Various template processing functions.

* Author: Steve Lime and the MapServer team.

******************************************************************************

* 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_OGL

#include <stdio.h>

#include <assert.h>

#include "mapoglrenderer.h"

#include "mapoglcontext.h"

imageObj *createImageObjOgl(OglRenderer *renderer) {

if (!renderer->isValid())

return NULL;

imageObj *pNewImage = (imageObj *)calloc(1, sizeof(imageObj));

if (!pNewImage)

return pNewImage;

pNewImage->img.plugin = (void *)renderer;

return pNewImage;

}

OglRenderer *getOglRenderer(imageObj *img) {

return (OglRenderer *)img->img.plugin;

}

int msSaveImageOgl(imageObj *img, mapObj *map, FILE *fp,

outputFormatObj *format) {

rasterBufferObj data;

OglRenderer *renderer = getOglRenderer(img);

renderer->readRasterBuffer(&data);

return msSaveRasterBuffer(NULL, &data, fp, img->format);

}

int msDrawLineOgl(imageObj *img, shapeObj *p, strokeStyleObj *style) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderPolyline(p, style->color, style->width, style->patternlength,

style->pattern);

return MS_SUCCESS;

}

int msDrawPolygonOgl(imageObj *img, shapeObj *p, colorObj *color) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderPolygon(p, color, NULL, 0);

return MS_SUCCESS;

}

// void msFreeTileOgl(imageObj *tile)

//{

// delete (OglCache*)tile;

// }

int msDrawLineTiledOgl(imageObj *img, shapeObj *p, imageObj *tile) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderPolylineTile(p, getOglRenderer(tile)->getTexture());

return MS_SUCCESS;

}

int msDrawPolygonTiledOgl(imageObj *img, shapeObj *p, imageObj *tile) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderPolygon(p, NULL, NULL, 0.0,

getOglRenderer(tile)->getTexture());

return MS_SUCCESS;

}

int msRenderPixmapOgl(imageObj *img, double x, double y, symbolObj *symbol,

symbolStyleObj *style) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderPixmap(symbol, x, y, style->rotation, style->scale);

return MS_SUCCESS;

}

int msRenderVectorSymbolOgl(imageObj *img, double x, double y,

symbolObj *symbol, symbolStyleObj *style) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderVectorSymbol(x, y, symbol, style->scale, style->rotation,

style->color, style->outlinecolor,

style->outlinewidth);

return MS_SUCCESS;

}

int msRenderTruetypeSymbolOgl(imageObj *img, double x, double y,

symbolObj *symbol, symbolStyleObj *style) {

OglRenderer *renderer = getOglRenderer(img);

double size = style->scale * 72.0;

renderer->renderGlyphs(0, 0, style->color, style->outlinecolor, size,

symbol->font, symbol->character, style->rotation, NULL,

0, 0);

return MS_SUCCESS;

}

int msRenderTileOgl(imageObj *img, imageObj *tile, double x, double y) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderTile(getOglRenderer(tile)->getTexture(), x, y, 0.0);

return MS_SUCCESS;

}

int msGetTruetypeTextBBoxOgl(rendererVTableObj *renderer, char **fonts,

int numfonts, double size, char *string,

rectObj *rect, double **advances,

int bAdjustBaseline) {

if (OglRenderer::getStringBBox(fonts[0], size, string, rect, advances)) {

return MS_SUCCESS;

} else {

return MS_FAILURE;

}

int msRenderGlyphsOgl(imageObj *img, double x, double y, labelStyleObj *style,

char *text) {

OglRenderer *renderer = getOglRenderer(img);

renderer->renderGlyphs(x, y, style->color, style->outlinecolor, style->size,

style->fonts[0], text, style->rotation, NULL, 0.0,

0.0);

return MS_SUCCESS;

}

int msMergeRasterBufferOgl(imageObj *dest, rasterBufferObj *overlay,

double opacity, int srcX, int srcY, int dstX,

int dstY, int width, int height) {

OglRenderer *renderer = getOglRenderer(dest);

renderer->drawRasterBuffer(overlay, opacity, srcX, srcY, dstX, dstY, width,

height);

return MS_SUCCESS;

}

imageObj *msImageCreateOgl(int width, int height, outputFormatObj *format,

colorObj *bg) {

imageObj *pNewImage = NULL;

if (format->imagemode != MS_IMAGEMODE_RGB &&

format->imagemode != MS_IMAGEMODE_RGBA) {

msSetError(MS_OGLERR,

"OpenGL driver only supports RGB or RGBA pixel models.",

"msImageCreateOGL()");

return NULL;

}

return createImageObjOgl(new OglRenderer(width, height, bg));

}

int msRenderEllipseOgl(imageObj *image, double x, double y, symbolObj *symbol,

symbolStyleObj *style) {

OglRenderer *renderer = getOglRenderer(image);

renderer->renderEllipse(x, y, style->rotation, symbol->sizex, symbol->sizey,

style->color, style->outlinecolor,

style->outlinewidth);

return MS_SUCCESS;

}

int msFreeImageOgl(imageObj *img) {

OglRenderer *renderer = getOglRenderer(img);

if (renderer) {

delete renderer;

}

img->img.plugin = NULL;

return MS_SUCCESS;

}

int msStartLayerOgl(imageObj *img, mapObj *map, layerObj *layer) {

getOglRenderer(img)->setTransparency((double)layer->opacity / 100);

return MS_SUCCESS;

}

int msEndLayerOgl(imageObj *img, mapObj *map, layerObj *layer) {

getOglRenderer(img)->setTransparency(1.0);

return MS_SUCCESS;

}

int msFreeSymbolOgl(symbolObj *s) { return MS_SUCCESS; }

int msGetRasterBufferCopyOgl(imageObj *img, rasterBufferObj *rb) {

getOglRenderer(img)->readRasterBuffer(rb);

return MS_SUCCESS;

}

int msGetRasterBufferHandleOgl(imageObj *img, rasterBufferObj *rb) {

getOglRenderer(img)->readRasterBuffer(rb);

return MS_SUCCESS;

}

int msInitializeRasterBufferOgl(rasterBufferObj *rb, int width, int height,

int mode) {

OglRenderer::initializeRasterBuffer(rb, width, height,

mode == MS_IMAGEMODE_RGBA);

return MS_SUCCESS;

}

#endif /* USE_OGL */

int msPopulateRendererVTableOGL(rendererVTableObj *renderer) {

#ifdef USE_OGL

renderer->supports_transparent_layers = 1;

renderer->supports_pixel_buffer = 1;

renderer->supports_clipping = 0;

renderer->use_imagecache = 0;

renderer->supports_bitmap_fonts = 0;

renderer->default_transform_mode = MS_TRANSFORM_SIMPLIFY;

renderer->startLayer = msStartLayerOgl;

renderer->endLayer = msEndLayerOgl;

renderer->createImage = &msImageCreateOgl;

renderer->saveImage = &msSaveImageOgl;

renderer->renderLine = &msDrawLineOgl;

renderer->renderPolygon = &msDrawPolygonOgl;

renderer->renderGlyphs = &msRenderGlyphsOgl;

renderer->renderEllipseSymbol = &msRenderEllipseOgl;

renderer->renderVectorSymbol = &msRenderVectorSymbolOgl;

renderer->renderPixmapSymbol = &msRenderPixmapOgl;

renderer->renderTruetypeSymbol = &msRenderTruetypeSymbolOgl;

renderer->renderTile = &msRenderTileOgl;

renderer->renderPolygonTiled = &msDrawPolygonTiledOgl;

renderer->renderLineTiled = &msDrawLineTiledOgl;

renderer->getTruetypeTextBBox = &msGetTruetypeTextBBoxOgl;

renderer->getRasterBufferHandle = msGetRasterBufferHandleOgl;

renderer->getRasterBufferCopy = msGetRasterBufferCopyOgl;

renderer->initializeRasterBuffer = msInitializeRasterBufferOgl;

renderer->mergeRasterBuffer = msMergeRasterBufferOgl;

renderer->loadImageFromFile = msLoadMSRasterBufferFromFile;

renderer->freeSymbol = &msFreeSymbolOgl;

renderer->freeImage = &msFreeImageOgl;

return MS_SUCCESS;

#else

msSetError(MS_MISCERR,

"OGL driver requested but it is not compiled in this release",

"msPopulateRendererVTableOGL()");

return MS_FAILURE;

#endif

}

MapServer/src/mapogl.cpp at main · Daimanta/MapServer · GitHub

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