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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef EXTENSION_INTERNAL_CAIRO_RENDERER_H_SEEN
#define EXTENSION_INTERNAL_CAIRO_RENDERER_H_SEEN
/** \file
* Declaration of CairoRenderer, a class used for rendering via a CairoRenderContext.
*/
/*
* Authors:
* Miklos Erdelyi <erdelyim@gmail.com>
* Abhishek Sharma
*
* Copyright (C) 2006 Miklos Erdelyi
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "extension/extension.h"
#include <set>
#include <string>
//#include "libnrtype/font-instance.h"
#include <cairo.h>
class SPItem;
class SPClipPath;
class SPMask;
class SPHatchPath;
class SPPage;
namespace Inkscape {
namespace Extension {
namespace Internal {
class CairoRenderer;
class CairoRenderContext;
class CairoRenderer {
public:
CairoRenderer();
virtual ~CairoRenderer();
CairoRenderContext *createContext();
void destroyContext(CairoRenderContext *ctx);
void setStateForItem(CairoRenderContext *ctx, SPItem const *item);
void applyClipPath(CairoRenderContext *ctx, SPClipPath const *cp);
void applyMask(CairoRenderContext *ctx, SPMask const *mask);
/** Initializes the CairoRenderContext according to the specified
SPDocument. A set*Target function can only be called on the context
before setupDocument. */
bool setupDocument(CairoRenderContext *ctx, SPDocument *doc, bool pageBoundingBox, double bleedmargin_px, SPItem *base);
/** Traverses the object tree and invokes the render methods. */
void renderItem(CairoRenderContext *ctx, SPItem *item, SPItem *clone = nullptr, SPPage *page = nullptr);
void renderHatchPath(CairoRenderContext *ctx, SPHatchPath const &hatchPath, unsigned key);
private:
/** Extract metadata from doc and set it on ctx. */
void setMetadata(CairoRenderContext *ctx, SPDocument *doc);
/** Decide whether the given item should be rendered as a bitmap. */
static bool _shouldRasterize(CairoRenderContext *ctx, SPItem const *item);
/** Render a single item in a fully set up context. */
static void _doRender(SPItem *item, CairoRenderContext *ctx, SPItem *origin = nullptr,
SPPage *page = nullptr);
};
// FIXME: this should be a static method of CairoRenderer
void calculatePreserveAspectRatio(unsigned int aspect_align, unsigned int aspect_clip, double vp_width,
double vp_height, double *x, double *y, double *width, double *height);
} /* namespace Internal */
} /* namespace Extension */
} /* namespace Inkscape */
#endif /* !EXTENSION_INTERNAL_CAIRO_RENDERER_H_SEEN */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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