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BlankImage and ImageValueToImage

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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@425 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2007-06-16 21:48:57 +00:00
parent 0eae598420
commit 3d84690e69
2 changed files with 70 additions and 23 deletions
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src/gfx/generated_image.cpp
+41 -2
View File
@@ -19,6 +19,19 @@
ScriptType GeneratedImage::type() const { return SCRIPT_IMAGE; }
String GeneratedImage::typeName() const { return _TYPE_("image"); }
// ----------------------------------------------------------------------------- : BlankImage
Image BlankImage::generate(const Options& opt) const {
Image img(opt.width, opt.height);
img.InitAlpha();
memset(img.GetAlpha(), 0, opt.width * opt.height);
return img;
}
bool BlankImage::operator == (const GeneratedImage& that) const {
const BlankImage* that2 = dynamic_cast<const BlankImage*>(&that);
return that2;
}
// ----------------------------------------------------------------------------- : LinearBlendImage
Image LinearBlendImage::generate(const Options& opt) const {
@@ -145,12 +158,12 @@ SymbolToImage::~SymbolToImage() {}
Image SymbolToImage::generate(const Options& opt) const {
// TODO : use opt.width and opt.height?
if (!opt.symbol_package) throw ScriptError(_("Can only load images in a context where an image is expected"));
if (!opt.local_package) throw ScriptError(_("Can only load images in a context where an image is expected"));
SymbolP the_symbol;
if (filename.empty()) {
the_symbol = default_symbol();
} else {
the_symbol = opt.symbol_package->readFile<SymbolP>(filename);
the_symbol = opt.local_package->readFile<SymbolP>(filename);
}
return render_symbol(the_symbol, *variation->filter, variation->border_radius);
}
@@ -160,3 +173,29 @@ bool SymbolToImage::operator == (const GeneratedImage& that) const {
&& age == that2->age
&& variation == that2->variation;
}
// ----------------------------------------------------------------------------- : ImageValueToImage
ImageValueToImage::ImageValueToImage(const String& filename, Age age)
: filename(filename), age(age)
{}
ImageValueToImage::~ImageValueToImage() {}
Image ImageValueToImage::generate(const Options& opt) const {
// TODO : use opt.width and opt.height?
if (!opt.local_package) throw ScriptError(_("Can only load images in a context where an image is expected"));
Image image;
if (!filename.empty()) {
InputStreamP image_file = opt.local_package->openIn(filename);
image.LoadFile(*image_file);
}
if (!image.Ok()) {
image = Image(opt.width, opt.height);
}
return image;
}
bool ImageValueToImage::operator == (const GeneratedImage& that) const {
const ImageValueToImage* that2 = dynamic_cast<const ImageValueToImage*>(&that);
return that2 && filename == that2->filename
&& age == that2->age;
}
src/gfx/generated_image.hpp
+29 -21
View File
@@ -27,15 +27,15 @@ class GeneratedImage : public ScriptValue {
public:
/// Options for generating the image
struct Options {
Options(int width = 0, int height = 0, Package* package = nullptr, Package* symbol_package = nullptr, PreserveAspect preserve_aspect = ASPECT_STRETCH, bool saturate = false)
: width(width), height(height), preserve_aspect(preserve_aspect), saturate(saturate), package(package), symbol_package(symbol_package)
Options(int width = 0, int height = 0, Package* package = nullptr, Package* local_package = nullptr, PreserveAspect preserve_aspect = ASPECT_STRETCH, bool saturate = false)
: width(width), height(height), preserve_aspect(preserve_aspect), saturate(saturate), package(package), local_package(local_package)
{}
int width, height; ///< Width to force the image to, or 0 to keep the width of the input
PreserveAspect preserve_aspect;
bool saturate;
Package* package; ///< Package to load images from
Package* symbol_package; ///< Package to load symbols from
Package* package; ///< Package to load images from
Package* local_package; ///< Package to load symbols and ImageValue images from
};
/// Generate the image
@@ -47,12 +47,21 @@ class GeneratedImage : public ScriptValue {
inline bool operator != (const GeneratedImage& that) const { return !(*this == that); }
/// Can this image be generated safely from another thread?
virtual bool threadSafe() const = 0;
virtual bool threadSafe() const { return true; };
virtual ScriptType type() const;
virtual String typeName() const;
};
// ----------------------------------------------------------------------------- : BlankImage
/// An image generator that returns a blank image
class BlankImage : public GeneratedImage {
public:
virtual Image generate(const Options&) const;
virtual bool operator == (const GeneratedImage& that) const;
};
// ----------------------------------------------------------------------------- : LinearBlendImage
/// An image generator that linearly blends two other images
@@ -64,8 +73,6 @@ class LinearBlendImage : public GeneratedImage {
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
GeneratedImageP image1, image2;
double x1, y1, x2, y2;
@@ -82,8 +89,6 @@ class MaskedBlendImage : public GeneratedImage {
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
GeneratedImageP light, dark, mask;
};
@@ -99,8 +104,6 @@ class CombineBlendImage : public GeneratedImage {
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
GeneratedImageP image1, image2;
ImageCombine image_combine;
@@ -117,8 +120,6 @@ class SetMaskImage : public GeneratedImage {
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
GeneratedImageP image, mask;
};
@@ -134,8 +135,6 @@ class SetCombineImage : public GeneratedImage {
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const {return true;}
private:
GeneratedImageP image;
ImageCombine image_combine;
@@ -151,8 +150,6 @@ class PackagedImage : public GeneratedImage {
{}
virtual Image generate(const Options& opt) const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
String filename;
};
@@ -167,8 +164,6 @@ class BuiltInImage : public GeneratedImage {
{}
virtual Image generate(const Options& opt) const;
virtual bool operator == (const GeneratedImage& that) const;
virtual bool threadSafe() const { return true; }
private:
String name;
};
@@ -185,8 +180,6 @@ class SymbolToImage : public GeneratedImage {
#ifdef __WXGTK__
virtual bool threadSafe() const { return false; }
#else
virtual bool threadSafe() const { return true; }
#endif
private:
SymbolToImage(const SymbolToImage&); // copy ctor
@@ -195,5 +188,20 @@ class SymbolToImage : public GeneratedImage {
SymbolVariationP variation;
};
// ----------------------------------------------------------------------------- : ImageValueToImage
/// Use an image from an ImageValue as an image
class ImageValueToImage : public GeneratedImage {
public:
ImageValueToImage(const String& filename, Age age);
~ImageValueToImage();
virtual Image generate(const Options& opt) const;
virtual bool operator == (const GeneratedImage& that) const;
private:
ImageValueToImage(const ImageValueToImage&); // copy ctor
String filename;
Age age; ///< Age the symbol was last updated
};
// ----------------------------------------------------------------------------- : EOF
#endif