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/**
@file Image1uint8.cpp
@maintainer Morgan McGuire, matrix@graphics3d.com
@created 2007-01-31
@edited 2008-01-13
*/
#include "G3D/Image1uint8.h"
#include "G3D/Image3uint8.h"
#include "G3D/Image1.h"
#include "G3D/GImage.h"
#include "G3D/Color1.h"
#include "G3D/Color1uint8.h"
#include "G3D/Color4.h"
#include "G3D/Color4uint8.h"
#include "G3D/ImageFormat.h"
namespace G3D {
Image1uint8::Image1uint8(int w, int h, WrapMode wrap) : Map2D<Color1uint8, Color1>(w, h, wrap) {
setAll(Color1uint8(0));
}
Image1uint8::Ref Image1uint8::fromImage3uint8(const ReferenceCountedPointer<class Image3uint8>& im) {
return fromArray(im->getCArray(), im->width(), im->height(), im->wrapMode());
}
Image1uint8::Ref Image1uint8::fromGImage(const GImage& im, WrapMode wrap) {
switch (im.channels) {
case 1:
return fromArray(im.pixel1(), im.width, im.height, wrap);
case 3:
return fromArray(im.pixel3(), im.width, im.height, wrap);
case 4:
return fromArray(im.pixel4(), im.width, im.height, wrap);
default:
debugAssertM(false, "Input GImage must have 1, 3, or 4 channels.");
return NULL;
}
}
Image1uint8::Ref Image1uint8::fromImage1(const ReferenceCountedPointer<Image1>& im) {
Ref out = createEmpty(static_cast<WrapMode>(im->wrapMode()));
out->copyArray(im->getCArray(), im->width(), im->height());
return out;
}
Image1uint8::Ref Image1uint8::createEmpty(int width, int height, WrapMode wrap) {
return new Type(width, height, wrap);
}
Image1uint8::Ref Image1uint8::createEmpty(WrapMode wrap) {
return createEmpty(0, 0, wrap);
}
Image1uint8::Ref Image1uint8::fromFile(const std::string& filename, WrapMode wrap, GImage::Format fmt) {
Ref out = createEmpty(wrap);
out->load(filename);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color3uint8* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color1* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color1uint8* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color3* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color4uint8* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
Image1uint8::Ref Image1uint8::fromArray(const class Color4* ptr, int w, int h, WrapMode wrap) {
Ref out = createEmpty(wrap);
out->copyArray(ptr, w, h);
return out;
}
void Image1uint8::load(const std::string& filename, GImage::Format fmt) {
copyGImage(GImage(filename, fmt));
setChanged(true);
}
void Image1uint8::copyGImage(const GImage& im) {
switch (im.channels) {
case 1:
copyArray(im.pixel1(), im.width, im.height);
break;
case 3:
copyArray(im.pixel3(), im.width, im.height);
break;
case 4:
copyArray(im.pixel4(), im.width, im.height);
break;
}
}
void Image1uint8::copyArray(const Color3uint8* src, int w, int h) {
resize(w, h);
int N = w * h;
Color1uint8* dst = getCArray();
for (int i = 0; i < N; ++i) {
dst[i].value = (src[i].r + src[i].g + src[i].b) / 3;
}
}
void Image1uint8::copyArray(const Color3* src, int w, int h) {
resize(w, h);
int N = w * h;
Color1uint8* dst = getCArray();
for (int i = 0; i < N; ++i) {
dst[i] = Color1uint8(Color1(src[i].average()));
}
}
void Image1uint8::copyArray(const Color1uint8* ptr, int w, int h) {
resize(w, h);
System::memcpy(getCArray(), ptr, w * h);
}
void Image1uint8::copyArray(const Color1* src, int w, int h) {
resize(w, h);
int N = w * h;
Color1uint8* dst = getCArray();
for (int i = 0; i < N; ++i) {
dst[i] = Color1uint8(src[i]);
}
}
void Image1uint8::copyArray(const Color4uint8* ptr, int w, int h) {
resize(w, h);
int N = w * h;
Color1uint8* dst = getCArray();
for (int i = 0; i < N; ++i) {
dst[i].value = (ptr[i].r + ptr[i].g + ptr[i].b) / 3;
}
}
void Image1uint8::copyArray(const Color4* src, int w, int h) {
resize(w, h);
int N = w * h;
Color1uint8* dst = getCArray();
for (int i = 0; i < N; ++i) {
dst[i] = Color1uint8(Color1(src[i].rgb().average()));
}
}
/** Saves in any of the formats supported by G3D::GImage. */
void Image1uint8::save(const std::string& filename, GImage::Format fmt) {
GImage im(width(), height(), 1);
System::memcpy(im.byte(), getCArray(), width() * height());
im.save(filename, fmt);
}
const ImageFormat* Image1uint8::format() const {
return ImageFormat::L8();
}
} // G3D
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