int renderTileCairo(imageObj *img, imageObj *tile, double x, double y) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_surface_t *im = CAIRO_RENDERER(tile)->surface;
int w = cairo_image_surface_get_width (im);
int h = cairo_image_surface_get_height (im);
cairo_save(r->cr);
cairo_translate(r->cr, MS_NINT(x-0.5 * w), MS_NINT(y -0.5 * h));
cairo_set_source_surface(r->cr, im, 0, 0);
cairo_pattern_set_filter (cairo_get_source (r->cr), CAIRO_FILTER_NEAREST);
cairo_paint(r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
}
int mergeRasterBufferCairo(imageObj *img, rasterBufferObj *rb, double opacity,
int srcX, int srcY, int dstX, int dstY,
int width, int height)
{
cairo_surface_t *src;
cairo_renderer *r;
/* not implemented for src,dst,width and height */
if(rb->type != MS_BUFFER_BYTE_RGBA) {
return MS_FAILURE;
}
r = CAIRO_RENDERER(img);
src = cairo_image_surface_create_for_data(rb->data.rgba.pixels,CAIRO_FORMAT_ARGB32,
rb->width,rb->height,
rb->data.rgba.row_step);
if(dstX||dstY||srcX||srcY||width!=img->width||height!=img->height) {
cairo_set_source_surface (r->cr, src, dstX - srcX, dstY - srcY);
cairo_rectangle (r->cr, dstX, dstY, width, height);
cairo_fill (r->cr);
} else {
cairo_set_source_surface (r->cr,src,0,0);
cairo_paint_with_alpha(r->cr,opacity);
}
cairo_surface_finish(src);
cairo_surface_destroy(src);
return MS_SUCCESS;
}
int renderPixmapSymbolCairo(imageObj *img, double x, double y,symbolObj *symbol,
symbolStyleObj *style)
{
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_surface_t *im;
rasterBufferObj *b = symbol->pixmap_buffer;
assert(b);
if(!symbol->renderer_cache) {
symbol->renderer_cache = (void*)createSurfaceFromBuffer(b);
}
assert(symbol->renderer_cache);
im=(cairo_surface_t*)symbol->renderer_cache;
cairo_save(r->cr);
if(style->rotation != 0 || style->scale != 1) {
cairo_translate (r->cr, x,y);
cairo_rotate (r->cr, -style->rotation);
cairo_scale (r->cr, style->scale,style->scale);
cairo_translate (r->cr, -0.5*b->width, -0.5*b->height);
} else {
cairo_translate (r->cr, MS_NINT(x-0.5*b->width),MS_NINT(y-0.5*b->height));
}
cairo_set_source_surface (r->cr, im, 0, 0);
cairo_paint (r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
}
int renderEllipseSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *style)
{
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_save(r->cr);
cairo_set_line_cap(r->cr, CAIRO_LINE_CAP_BUTT);
cairo_set_line_join(r->cr, CAIRO_LINE_JOIN_MITER);
cairo_translate(r->cr,x,y);
cairo_rotate(r->cr,-style->rotation);
cairo_scale(r->cr,symbol->sizex*style->scale/2,symbol->sizey*style->scale/2);
cairo_arc (r->cr, 0,0,1, 0, 2 * MS_PI);
cairo_restore(r->cr);
if(style->color) {
msCairoSetSourceColor(r->cr, style->color);
cairo_fill_preserve(r->cr);
}
if(style->outlinewidth > 0) {
cairo_set_line_width (r->cr, style->outlinewidth);
msCairoSetSourceColor(r->cr, style->outlinecolor);
cairo_stroke_preserve(r->cr);
}
cairo_new_path(r->cr);
return MS_SUCCESS;
}
int renderLineCairo(imageObj *img, shapeObj *p, strokeStyleObj *stroke) {
int i,j;
cairo_renderer *r = CAIRO_RENDERER(img);
assert(stroke->color);
cairo_new_path(r->cr);
msCairoSetSourceColor(r->cr,stroke->color);
for(i=0;i<p->numlines;i++) {
lineObj *l = &(p->line[i]);
cairo_move_to(r->cr,l->point[0].x,l->point[0].y);
for(j=1;j<l->numpoints;j++) {
cairo_line_to(r->cr,l->point[j].x,l->point[j].y);
}
}
if(stroke->patternlength>0) {
cairo_set_dash(r->cr,stroke->pattern,stroke->patternlength,0);
}
switch(stroke->linecap) {
case MS_CJC_BUTT:
cairo_set_line_cap(r->cr,CAIRO_LINE_CAP_BUTT);
break;
case MS_CJC_SQUARE:
cairo_set_line_cap(r->cr,CAIRO_LINE_CAP_SQUARE);
break;
case MS_CJC_ROUND:
case MS_CJC_NONE:
default:
cairo_set_line_cap(r->cr,CAIRO_LINE_CAP_ROUND);
}
cairo_set_line_width (r->cr, stroke->width);
cairo_stroke (r->cr);
if(stroke->patternlength>0) {
cairo_set_dash(r->cr,stroke->pattern,0,0);
}
return MS_SUCCESS;
}
int renderSVGSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *style)
{
#ifdef USE_SVG_CAIRO
cairo_renderer *r = CAIRO_RENDERER(img);
//double ox=symbol->sizex*0.5,oy=symbol->sizey*0.5;
svg_cairo_status_t status;
struct svg_symbol_cache *cache;
msPreloadSVGSymbol(symbol);
assert(symbol->renderer_cache);
cache = symbol->renderer_cache;
cairo_save(r->cr);
cairo_translate(r->cr,x,y);
cairo_scale(r->cr,style->scale,style->scale);
if (style->rotation != 0) {
cairo_rotate(r->cr, -style->rotation);
cairo_translate (r->cr, -(int)(symbol->sizex/2), -(int)(symbol->sizey/2));
} else
cairo_translate (r->cr, -(int)(symbol->sizex/2), -(int)(symbol->sizey/2));
status = svg_cairo_render(cache->svgc, r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
#else
msSetError(MS_MISCERR, "SVG Symbols requested but is not built with libsvgcairo",
"renderSVGSymbolCairo()");
return MS_FAILURE;
#endif
}
int startLayerVectorCairo(imageObj *img, mapObj *map, layerObj *layer)
{
if(layer->compositer && layer->compositer->opacity<100) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_push_group (r->cr);
}
return MS_SUCCESS;
}
int renderTruetypeSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *s)
{
int unicode;
cairo_glyph_t glyph;
cairo_text_extents_t extents;
cairo_matrix_t trans;
double ox,oy;
cairoCacheData *cache = MS_IMAGE_RENDERER_CACHE(img);
cairo_renderer *r = CAIRO_RENDERER(img);
faceCacheObj *face = getFontFace(cache,symbol->full_font_path);
if(!face) return MS_FAILURE;
cairo_save(r->cr);
cairo_set_font_face(r->cr,face->face);
cairo_set_font_size(r->cr,s->scale*96/72.0);
msUTF8ToUniChar(symbol->character, &unicode);
if (face->ftface->charmap &&
face->ftface->charmap->encoding == FT_ENCODING_MS_SYMBOL)
unicode |= 0xf000;
glyph.index = FT_Get_Char_Index(face->ftface, unicode);
glyph.x=0;
glyph.y=0;
cairo_glyph_extents(r->cr,&glyph,1,&extents);
ox=extents.x_bearing+extents.width/2.;
oy=extents.y_bearing+extents.height/2.;
cairo_matrix_init_rotate(&trans,-s->rotation);
cairo_matrix_transform_point(&trans,&ox,&oy);
/* cairo_translate(cr,-extents.width/2,-extents.height/2); */
cairo_translate(r->cr,x-ox,y-oy);
cairo_rotate(r->cr, -s->rotation);
cairo_glyph_path(r->cr,&glyph,1);
if (s->outlinewidth) {
msCairoSetSourceColor(r->cr, s->outlinecolor);
cairo_set_line_width(r->cr, s->outlinewidth + 1);
cairo_stroke_preserve(r->cr);
}
if(s->color) {
msCairoSetSourceColor(r->cr, s->color);
cairo_fill_preserve(r->cr);
}
cairo_new_path(r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
}
int renderSVGSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *style) {
#ifdef USE_SVG_CAIRO
cairo_renderer *r = CAIRO_RENDERER(img);
//double ox=symbol->sizex*0.5,oy=symbol->sizey*0.5;
unsigned int svg_width, svg_height;
svg_cairo_status_t status;
svg_cairo_t *svgc;
double scale;
//use cache for svg surface
if(!symbol->renderer_cache) {
status = svg_cairo_create(&svgc);
status = svg_cairo_parse_buffer(svgc, symbol->svg_text, strlen(symbol->svg_text));
if (status) {
msSetError(MS_RENDERERERR, "problem creating cairo svg", "renderSVGSymbolCairo()");
return MS_FAILURE;
}
symbol->renderer_cache = svgc;
}
assert(symbol->renderer_cache);
svgc=(svg_cairo_t *)symbol->renderer_cache;
svg_cairo_get_size (svgc, &svg_width, &svg_height);
//scale such that the SVG is rendered at the desired size in pixels
scale = style->scale;
/*
if (style->scale != 1) {
scale = MS_MIN(style->scale / (double) svg_width,
style->scale / (double) svg_height);
} else {
scale = style->scale;
}
*/
cairo_save(r->cr);
cairo_translate(r->cr,x,y);
cairo_scale(r->cr,scale,scale);
if (style->rotation != 0) {
cairo_rotate(r->cr, -style->rotation);
cairo_translate (r->cr, -(int)svg_width/2, -(int)svg_height/2);
}
else
cairo_translate (r->cr, -(int)svg_width/2, -(int)svg_height/2);
status = svg_cairo_render(svgc, r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
#else
msSetError(MS_MISCERR, "SVG Symbols requested but is not built with libsvgcairo",
"renderSVGSymbolCairo()");
return MS_FAILURE;
#endif
}
int closeLayerVectorCairo(imageObj *img, mapObj *map, layerObj *layer)
{
if(layer->compositer && layer->compositer->opacity<100) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_pop_group_to_source (r->cr);
cairo_paint_with_alpha (r->cr, layer->compositer->opacity*0.01);
}
return MS_SUCCESS;
}
int saveImageCairo(imageObj *img, FILE *fp, outputFormatObj *format) {
cairo_renderer *r = CAIRO_RENDERER(img);
if(!strcasecmp(img->format->driver,"cairo/pdf") || !strcasecmp(img->format->driver,"cairo/svg")) {
cairo_surface_finish (r->surface);
fwrite(r->outputStream->data,r->outputStream->size,1,fp);
} else {
// not supported
}
return MS_SUCCESS;
}
int renderPolygonTiledCairo(imageObj *img, shapeObj *p, imageObj *tile) {
int i,j;
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_renderer *tileRenderer = CAIRO_RENDERER(tile);
cairo_pattern_t *pattern = cairo_pattern_create_for_surface(tileRenderer->surface);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source(r->cr, pattern);
for (i = 0; i < p->numlines; i++) {
lineObj *l = &(p->line[i]);
cairo_move_to(r->cr, l->point[0].x, l->point[0].y);
for (j = 1; j < l->numpoints; j++) {
cairo_line_to(r->cr, l->point[j].x, l->point[j].y);
}
//cairo_close_path(r->cr);
}
cairo_fill(r->cr);
cairo_pattern_destroy(pattern);
return MS_SUCCESS;
}
unsigned char* saveImageBufferCairo(imageObj *img, int *size_ptr, outputFormatObj *format)
{
cairo_renderer *r = CAIRO_RENDERER(img);
unsigned char *data;
assert(!strcasecmp(img->format->driver,"cairo/pdf") || !strcasecmp(img->format->driver,"cairo/svg"));
cairo_surface_finish (r->surface);
data = msSmallMalloc(r->outputStream->size);
memcpy(data,r->outputStream->data,r->outputStream->size);
*size_ptr = (int)r->outputStream->size;
return data;
}
static void
cairo_renderer_finalize (PinPointRenderer *pp_renderer)
{
CairoRenderer *renderer = CAIRO_RENDERER (pp_renderer);
g_free (renderer->path);
if (renderer->surface)
cairo_surface_destroy (renderer->surface);
g_hash_table_unref (renderer->surfaces);
g_hash_table_unref (renderer->svgs);
if (renderer->ctx)
cairo_destroy (renderer->ctx);
}
int freeImageCairo(imageObj *img) {
cairo_renderer *r = CAIRO_RENDERER(img);
if(r) {
cairo_destroy(r->cr);
cairo_surface_finish(r->surface);
cairo_surface_destroy(r->surface);
if(r->outputStream) {
msBufferFree(r->outputStream);
free(r->outputStream);
}
free(r);
}
return MS_SUCCESS;
}
int saveImageCairo(imageObj *img, mapObj *map, FILE *fp, outputFormatObj *format) {
cairo_renderer *r = CAIRO_RENDERER(img);
if(!strcasecmp(img->format->driver,"cairo/pdf") || !strcasecmp(img->format->driver,"cairo/svg")) {
cairo_surface_finish (r->surface);
if (map != NULL && !strcasecmp(img->format->driver,"cairo/pdf"))
msTransformToGeospatialPDF(img, map, r);
fwrite(r->outputStream->data,r->outputStream->size,1,fp);
} else {
/* not supported */
}
return MS_SUCCESS;
}
static void
cairo_renderer_run (PinPointRenderer *pp_renderer)
{
CairoRenderer *renderer = CAIRO_RENDERER (pp_renderer);
GList *cur;
for (cur = pp_slides; cur; cur = g_list_next (cur))
{
PinPointPoint *point = cur->data;
cairo_renderer_render_page (renderer, point);
if (point->speaker_notes)
cairo_render_speaker_notes (renderer, point);
}
}
int renderPolygonCairo(imageObj *img, shapeObj *p, colorObj *c) {
cairo_renderer *r = CAIRO_RENDERER(img);
int i,j;
cairo_new_path(r->cr);
cairo_set_fill_rule(r->cr,CAIRO_FILL_RULE_EVEN_ODD);
msCairoSetSourceColor(r->cr,c);
for(i=0;i<p->numlines;i++) {
lineObj *l = &(p->line[i]);
cairo_move_to(r->cr,l->point[0].x,l->point[0].y);
for(j=1;j<l->numpoints;j++) {
cairo_line_to(r->cr,l->point[j].x,l->point[j].y);
}
cairo_close_path(r->cr);
}
cairo_fill(r->cr);
return MS_SUCCESS;
}
int getRasterBufferHandleCairo(imageObj *img, rasterBufferObj *rb) {
unsigned char *pb;
cairo_renderer *r = CAIRO_RENDERER(img);
rb->type = MS_BUFFER_BYTE_RGBA;
pb = cairo_image_surface_get_data(r->surface);
rb->data.rgba.pixels = pb;
rb->data.rgba.row_step = cairo_image_surface_get_stride(r->surface);
rb->data.rgba.pixel_step=4;
rb->width = cairo_image_surface_get_width(r->surface);
rb->height = cairo_image_surface_get_height(r->surface);
rb->data.rgba.r = &(pb[2]);
rb->data.rgba.g = &(pb[1]);
rb->data.rgba.b = &(pb[0]);
if(r->use_alpha)
rb->data.rgba.a = &(pb[3]);
else
rb->data.rgba.a = NULL;
return MS_SUCCESS;
}
int renderGlyphs2Cairo(imageObj *img, textPathObj *tp, colorObj *c, colorObj *oc, int ow) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairoCacheData *cache = MS_IMAGE_RENDERER_CACHE(img);
cairoFaceCache *cairo_face = NULL;
FT_Face prevface = NULL;
int g;
cairo_set_font_size(r->cr,MS_NINT(tp->glyph_size * 96.0/72.0));
for(g=0;g<tp->numglyphs;g++) {
glyphObj *gl = &tp->glyphs[g];
cairo_glyph_t glyph;
/* load the glyph's face into cairo, if not already present */
if(gl->face->face != prevface) {
cairo_face = getCairoFontFace(cache,gl->face->face);
cairo_set_font_face(r->cr, cairo_face->face);
cairo_set_font_options(r->cr,cairo_face->options);
prevface = gl->face->face;
cairo_set_font_size(r->cr,MS_NINT(tp->glyph_size * 96.0/72.0));
}
cairo_save(r->cr);
cairo_translate(r->cr,gl->pnt.x,gl->pnt.y);
if(gl->rot != 0.0)
cairo_rotate(r->cr, -gl->rot);
glyph.x = glyph.y = 0;
glyph.index = gl->glyph->key.codepoint;
cairo_glyph_path(r->cr,&glyph,1);
cairo_restore(r->cr);
}
if (oc) {
cairo_save(r->cr);
msCairoSetSourceColor(r->cr, oc);
cairo_set_line_width(r->cr, ow + 1);
cairo_stroke_preserve(r->cr);
cairo_restore(r->cr);
}
if(c) {
msCairoSetSourceColor(r->cr, c);
cairo_fill(r->cr);
}
cairo_new_path(r->cr);
return MS_SUCCESS;
}
int cairoCompositeRasterBuffer(imageObj *img, rasterBufferObj *rb, CompositingOperation comp, int opacity) {
cairo_surface_t *src;
cairo_renderer *r;
if(rb->type != MS_BUFFER_BYTE_RGBA) {
return MS_FAILURE;
}
r = CAIRO_RENDERER(img);
src = cairo_image_surface_create_for_data(rb->data.rgba.pixels,CAIRO_FORMAT_ARGB32,
rb->width,rb->height,
rb->data.rgba.row_step);
cairo_set_source_surface (r->cr,src,0,0);
cairo_set_operator(r->cr, ms2cairo_compop(comp));
cairo_paint_with_alpha(r->cr,opacity/100.0);
cairo_surface_finish(src);
cairo_surface_destroy(src);
cairo_set_operator(r->cr,CAIRO_OPERATOR_OVER);
return MS_SUCCESS;
}
static void
cairo_renderer_init (PinPointRenderer *pp_renderer,
char *pinpoint_file)
{
CairoRenderer *renderer = CAIRO_RENDERER (pp_renderer);
/* A4, landscape */
renderer->width = A4_LS_WIDTH;
renderer->height = A4_LS_HEIGHT;
renderer->surface = cairo_pdf_surface_create (pp_output_filename,
renderer->width, renderer->height);
renderer->path = g_strdup (pinpoint_file);
renderer->ctx = cairo_create (renderer->surface);
renderer->surfaces = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, _destroy_surface);
renderer->svgs = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL,
g_object_unref);
}
void
cairo_renderer_set_cr (PinPointRenderer *pp_renderer,
cairo_t *ctx,
float width,
float height)
{
CairoRenderer *renderer = CAIRO_RENDERER (pp_renderer);
if (renderer->ctx)
{
if (renderer->surface)
{
cairo_surface_destroy (renderer->surface);
renderer->surface = NULL;
}
cairo_destroy (renderer->ctx);
renderer->ctx = NULL;
}
renderer->ctx = ctx;
renderer->width = width;
renderer->height = height;
}
int renderVectorSymbolCairo(imageObj *img, double x, double y, symbolObj *symbol,
symbolStyleObj *style)
{
cairo_renderer *r = CAIRO_RENDERER(img);
double ox=symbol->sizex*0.5,oy=symbol->sizey*0.5;
int is_new = 1,i;
cairo_new_path(r->cr);
cairo_save(r->cr);
cairo_translate(r->cr,x,y);
cairo_scale(r->cr,style->scale,style->scale);
cairo_rotate(r->cr,-style->rotation);
cairo_translate(r->cr,-ox,-oy);
for (i = 0; i < symbol->numpoints; i++) {
if ((symbol->points[i].x == -99) && (symbol->points[i].y == -99)) { /* (PENUP) */
is_new = 1;
} else {
if (is_new) {
cairo_move_to(r->cr,symbol->points[i].x,symbol->points[i].y);
is_new = 0;
} else {
cairo_line_to(r->cr,symbol->points[i].x,symbol->points[i].y);
}
}
}
cairo_restore(r->cr);
if(style->color) {
msCairoSetSourceColor(r->cr,style->color);
cairo_fill_preserve(r->cr);
}
if(style->outlinewidth>0) {
msCairoSetSourceColor(r->cr,style->outlinecolor);
cairo_set_line_width (r->cr, style->outlinewidth);
cairo_stroke_preserve(r->cr);
}
cairo_new_path(r->cr);
return MS_SUCCESS;
}
int renderGlyphsCairo(imageObj *img,double x, double y, labelStyleObj *style, char *text) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairoCacheData *cache = MS_IMAGE_RENDERER_CACHE(img);
faceCacheObj *face = getFontFace(cache,style->font);
char *utfptr=text;
int i,has_kerning,unicode;
unsigned long previdx=0;
int numglyphs = msGetNumGlyphs(text);
cairo_glyph_t glyph;
cairo_text_extents_t extents;
double px=0,py=0;
if(face == NULL) {
return MS_FAILURE;
}
cairo_set_font_face(r->cr,face->face);
cairo_set_font_size(r->cr,style->size*96/72.0);
cairo_save(r->cr);
cairo_translate(r->cr,MS_NINT(x),MS_NINT(y));
if(style->rotation != 0.0)
cairo_rotate(r->cr, -style->rotation);
has_kerning = FT_HAS_KERNING((face->ftface));
for(i=0;i<numglyphs;i++) {
utfptr+=msUTF8ToUniChar(utfptr, &unicode);
glyph.x=px;
glyph.y=py;
if(unicode=='\n') {
py += ceil(style->size*CAIROLINESPACE);
px = 0;
previdx=0;
continue;
}
glyph.index = FT_Get_Char_Index(face->ftface, unicode);
if( has_kerning && previdx ) {
FT_Vector delta;
FT_Get_Kerning( face->ftface, previdx, glyph.index, FT_KERNING_DEFAULT, &delta );
px += delta.x / 64.;
}
cairo_glyph_extents(r->cr,&glyph,1,&extents);
cairo_glyph_path(r->cr,&glyph,1);
px += extents.x_advance;
previdx=glyph.index;
}
if (style->outlinewidth > 0) {
cairo_save(r->cr);
msCairoSetSourceColor(r->cr, style->outlinecolor);
cairo_set_line_width(r->cr, style->outlinewidth + 1);
cairo_stroke_preserve(r->cr);
cairo_restore(r->cr);
}
if(style->color) {
msCairoSetSourceColor(r->cr, style->color);
cairo_fill(r->cr);
}
cairo_new_path(r->cr);
cairo_restore(r->cr);
return MS_SUCCESS;
}
void
cairo_renderer_unset_cr (PinPointRenderer *pp_renderer)
{
CairoRenderer *renderer = CAIRO_RENDERER (pp_renderer);
renderer->ctx = NULL;
}
int startLayerVectorCairo(imageObj *img, mapObj *map, layerObj *layer) {
cairo_renderer *r = CAIRO_RENDERER(img);
cairo_push_group (r->cr);
return MS_SUCCESS;
}
