mirror of
https://github.com/amyinspace/MagicSetEditor2.git
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twanvl
3cbf2577c1
git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@82 0fc631ac-6414-0410-93d0-97cfa31319b6
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) 2001 - 2006 Twan van Laarhoven |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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#ifndef HEADER_SCRIPT_IMAGE
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#define HEADER_SCRIPT_IMAGE
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// ----------------------------------------------------------------------------- : Includes
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#include <util/prec.hpp>
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#include <util/age.hpp>
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#include <util/dynamic_arg.hpp>
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#include <script/scriptable.hpp>
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#include <gfx/gfx.hpp>
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class Package;
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DECLARE_INTRUSIVE_POINTER_TYPE(ScriptImage);
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// ----------------------------------------------------------------------------- : ScriptableImage
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DECLARE_DYNAMIC_ARG(Package*, load_images_from);
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/// An image, returned by a script function
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class ScriptImage : public ScriptValue {
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public:
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inline ScriptImage() : combine(COMBINE_NORMAL) {}
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inline ScriptImage(const Image& image, ImageCombine combine = COMBINE_NORMAL)
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: image(image), combine(combine)
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{}
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Image image; ///< The image
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ImageCombine combine; ///< How to combine the image with the background
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virtual ScriptType type() const;
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virtual String typeName() const;
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};
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/// An image that can also be scripted
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/** Differs from Scriptable<Image> in that:
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* - A script is always used
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* - Age is checked, chached images are used if possible
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* - The image can be scaled
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*/
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class ScriptableImage {
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public:
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inline ScriptableImage() {}
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ScriptableImage(const String& script);
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/// Is there an image set?
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inline operator bool() const { return script; }
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/// Generate an image, doesn't cache, and doesn't scale
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/** Image files are loaded from the given package.
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* The result is always valid. */
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ScriptImageP generate(Context& ctx, Package&) const;
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/// Generate an image, scaling it and optionally saturating it
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ScriptImageP generate(Context& ctx, Package&, UInt width, UInt height, PreserveAspect preserve_aspect = ASPECT_STRETCH, bool saturate = false) const;
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/// Update and return the cached image
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/** Only recomputes the image if it is out of date, or the size doesn't match.
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* If width==height==0 then doesn't resample.
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*/
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ScriptImageP update(Context& ctx, Package&, UInt width = 0, UInt height = 0, PreserveAspect preserve_aspect = ASPECT_STRETCH, bool saturate = false);
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/// Is the cached image up to date?
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bool upToDate(Context& ctx, Age age) const;
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inline void initDependencies(Context& ctx, const Dependency& dep) const {
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script.initDependencies(ctx, dep);
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}
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private:
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OptionalScript script; ///< The script, not really optional
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ScriptImageP cache; ///< The cached image
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Age last_update; ///< Age of last image update of the cached image
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DECLARE_REFLECTION();
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};
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/// Missing for now
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inline ScriptValueP toScript(const ScriptableImage&) { return script_nil; }
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// ----------------------------------------------------------------------------- : EOF
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#endif
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