diff options
author | Xanadu <none@none> | 2010-07-17 22:58:24 +0200 |
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committer | Xanadu <none@none> | 2010-07-17 22:58:24 +0200 |
commit | b5f8bfd66561e4a63fa8c28961b829a35ceb2fb0 (patch) | |
tree | 6691fda7c0985077aeb6ff3a93e829447dddd736 /externals/g3dlite/G3D.lib/source/Image1uint8.cpp | |
parent | ec244dbe366e84a93c8fa1ef294af4a2e4e3b0b1 (diff) | |
parent | dc510c9a143de1977daedea0aefb9589c01adde2 (diff) |
Merge
--HG--
branch : trunk
Diffstat (limited to 'externals/g3dlite/G3D.lib/source/Image1uint8.cpp')
-rw-r--r-- | externals/g3dlite/G3D.lib/source/Image1uint8.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/externals/g3dlite/G3D.lib/source/Image1uint8.cpp b/externals/g3dlite/G3D.lib/source/Image1uint8.cpp new file mode 100644 index 00000000000..c43e7194d7d --- /dev/null +++ b/externals/g3dlite/G3D.lib/source/Image1uint8.cpp @@ -0,0 +1,212 @@ +/** + @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 |