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Added functions for blurring and scaling images and changing the alpha value

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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@494 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2007-07-05 21:58:09 +00:00
parent d7898faa8c
commit 801dc3db39
12 changed files with 360 additions and 15 deletions
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src/gfx/generated_image.hpp
+50
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@@ -129,6 +129,20 @@ class SetMaskImage : public GeneratedImage {
GeneratedImageP image, mask;
};
/// Change the alpha channel of an image
class SetAlphaImage : public GeneratedImage {
public:
inline SetAlphaImage(const GeneratedImageP& image, double alpha)
: image(image), alpha(alpha)
{}
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
private:
GeneratedImageP image;
double alpha;
};
// ----------------------------------------------------------------------------- : SetCombineImage
/// Change the combine mode
@@ -145,6 +159,42 @@ class SetCombineImage : public GeneratedImage {
ImageCombine image_combine;
};
// ----------------------------------------------------------------------------- : EnlargeImage
/// Enlarge an image by adding a border around it
class EnlargeImage : public GeneratedImage {
public:
inline EnlargeImage(const GeneratedImageP& image, double border_size)
: image(image), border_size(abs(border_size))
{}
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
private:
GeneratedImageP image;
double border_size;
};
// ----------------------------------------------------------------------------- : DropShadowImage
/// Add a drop shadow to an image
class DropShadowImage : public GeneratedImage {
public:
inline DropShadowImage(const GeneratedImageP& image, double offset_x, double offset_y, double shadow_alpha, double shadow_blur_radius, Color shadow_color)
: image(image), offset_x(offset_x), offset_y(offset_y)
, shadow_alpha(shadow_alpha), shadow_blur_radius(shadow_blur_radius), shadow_color(shadow_color)
{}
virtual Image generate(const Options& opt) const;
virtual ImageCombine combine() const;
virtual bool operator == (const GeneratedImage& that) const;
private:
GeneratedImageP image;
double offset_x, offset_y;
double shadow_alpha;
double shadow_blur_radius;
Color shadow_color;
};
// ----------------------------------------------------------------------------- : PackagedImage
/// Load an image from a file in a package