aboutsummaryrefslogtreecommitdiffstats
path: root/meowpp/gra/Photo.h
diff options
context:
space:
mode:
Diffstat (limited to 'meowpp/gra/Photo.h')
-rw-r--r--meowpp/gra/Photo.h446
1 files changed, 0 insertions, 446 deletions
diff --git a/meowpp/gra/Photo.h b/meowpp/gra/Photo.h
deleted file mode 100644
index ebd49a4..0000000
--- a/meowpp/gra/Photo.h
+++ /dev/null
@@ -1,446 +0,0 @@
-#ifndef gra_Photo_H__
-#define gra_Photo_H__
-
-#include "Bitmap.h"
-
-#include "../Self.h"
-
-#include "../geo/Vectors.h"
-#include "../math/utility.h"
-#include "../math/Matrix.h"
-#include "../math/Transformations.h"
-
-#include "../oo/ObjBase.h"
-
-#include <vector>
-#include <cmath>
-#include <string>
-#include <typeinfo>
-#include <cstdlib>
-
-namespace meow {
-
-/*!
- * @brief 底片
- *
- * 基本上就是一個 \c Bitmap 加上 \c focal
- *
- * @author cat_leopard
- */
-template<class Pixel>
-class Photo: public ObjBase {
-private:
- struct Myself {
- Bitmap<Pixel> bmp_;
- Vector2D<double> c_;
- PhotoProjection<double> proj_;
-
- Myself(): proj_(3) {
- }
-
- Myself(Myself const& b): bmp_(b.bmp_), c_(b.c_), proj_(b.proj_) {
- }
-
- ~Myself() {
- }
- };
-
- Self<Myself> const self;
-
- /*!
- * @brief 取得bitmap座標
- */
- Vector2D<double> bitmapCoord(Vector2D<double> const& yx) const {
- return Vector2D<double>(yx.x() + center().x(), -yx.y() + center().y());
- }
-public:
- /*!
- * @brief constructor
- *
- * focal 預設為 1
- */
- Photo(): self() {
- self()->proj_.focal(1.0);
- }
-
- /*!
- * @brief constructor
- *
- * 複製資料
- *
- * @param [in] b 資料來源
- */
- Photo(Photo const& b): self(b.self, Self<Myself>::COPY_FROM) {
- }
-
- /*!
- * @brief constructor
- *
- * 直接給定圖片, 焦距用猜的
- *
- * @param [in] bmp 給定的圖片
- */
- Photo(Bitmap<Pixel> const& bmp): self() {
- reset(bmp);
- }
-
- /*!
- * @brief constructor
- *
- * 直接給定圖片與焦距
- *
- * @param [in] bmp 給定的圖片
- * @param [in] f 給定的焦距
- */
- Photo(Bitmap<Pixel> const& bmp, double f): self() {
- reset(bmp, f);
- }
-
- /*!
- * @brief constructor
- *
- * 直接給定圖片, 焦距與中心點位置
- *
- * @param [in] bmp 給定的圖片
- * @param [in] f 給定的焦距
- * @param [in] c 中心點作標
- */
- Photo(Bitmap<Pixel> const& bmp, double f, Vector2D<double> const& c): self() {
- reset(bmp, f, c);
- }
-
- /*!
- * @brief destructor
- */
- ~Photo() {
- }
-
- /*!
- * @brief 複製資料
- *
- * @param [in] b 資料來源
- */
- Photo& copyFrom(Photo const& b) {
- self().copyFrom(b.self);
- return *this;
- }
-
- /*!
- * @brief 參照
- *
- * @param [in] b 參照來源
- */
- Photo& referneceFrom(Photo const& b) {
- self().referenceFrom(b.self);
- return *this;
- }
-
- /*!
- * @brief 重設bitmap, focal 用猜的
- *
- * focal直接代對角線, center代bitmap中心點
- *
- * @param [in] bmp 新的 \c bitmap
- */
- void reset(Bitmap<Pixel> const& bmp) {
- bitmap(bmp);
- focal(sqrt(squ(width()) + squ(height())));
- center(Vector2D<double>(bmp.width() / 2, bmp.height() / 2));
- }
-
- /*!
- * @brief 重設bitmap, focal
- *
- * center代bitmap中心點
- *
- * @param [in] bmp 新的 \c bitmap
- * @param [in] f 新的 \c focal
- */
- void reset(Bitmap<Pixel> const& bmp, double f) {
- bitmap(bmp);
- focal(f);
- center(Vector2D<double>(bmp.width() / 2, bmp.height() / 2));
- }
-
- /*!
- * @brief 重設bitmap, focal, center
- *
- * @param [in] bmp 新的 \c bitmap
- * @param [in] f 新的 \c focal
- * @param [in] c 新的中心點作標
- */
- void reset(Bitmap<Pixel> const& bmp, double f, Vector2D<double> const& c) {
- bitmap(bmp);
- focal(f);
- center(c);
- }
-
- /*!
- * @brief 回傳\c bitmap
- */
- Bitmap<Pixel> bitmap() const {
- return self->bmp_;
- }
-
- /*!
- * @brief 回傳\c bitmap 的參照(非constant)
- */
- Bitmap<Pixel>& bitmapGet() {
- return self()->bmp_;
- }
-
- /*!
- * @brief 設定bitmap
- *
- * @param [in] bmp 新的 bitmap
- * @return 新的 \c bitmap
- */
- Bitmap<Pixel> bitmap(Bitmap<Pixel> const& bmp) {
- self()->bmp_.copyFrom(bmp);
- return bitmap();
- }
-
- /*!
- * @brief 回傳focal length
- */
- double focal() const {
- return self->proj_.focal();
- }
-
- /*!
- * @brief 設定 focal length
- *
- * @param [in] f 新的 focal length
- * @return 新的 \c focal length
- */
- double focal(double f) {
- self()->proj_.focal(f);
- return focal();
- }
-
- /*!
- * @brief 回傳相應的 photo projection
- */
- PhotoProjection<double> projection() const {
- return self->proj_;
- }
-
- /*!
- * @brief 設定 photo projection
- */
- PhotoProjection<double> projection(PhotoProjection<double> const& p) {
- if (p.dimension() == 3) {
- self()->proj_ = p;
- }
- return projection();
- }
-
- /*!
- * @brief 取得照片中心點底片座標
- *
- * @return 一個二維vector
- */
- Vector2D<double> center() const {
- return self->c_;
- }
-
- /*!
- * @brief 取得照片中心點底片座標 (non-constant reference)
- *
- * @return 一個二維vector
- */
- Vector2D<double>& centerGet() {
- return self()->c_;
- }
-
- /*!
- * @brief 設定照片中心點底片座標
- *
- * @param [in] c 新的座標
- *
- * @return 新的座標
- */
- Vector2D<double> center(Vector2D<double> const& c) {
- self()->c_ = c;
- return center();
- }
-
- /*!
- * @brief 回傳bitmap寬
- */
- size_t width() const {
- return self->bmp_.width();
- }
-
- /*!
- * @brief 回傳bitmap高
- */
- size_t height() const {
- return self->bmp_.height();
- }
-
- /*!
- * @brief 回傳bitmap的某pixel
- */
- Pixel pixel(size_t y, size_t x) const {
- return self->bmp_.pixel(y, x);
- }
-
- /*!
- * @brief 設定某pixel
- */
- Pixel pixel(size_t y, size_t x, Pixel const& p) {
- self()->bmp_.pixel(y, x, p);
- return pixel(y, x);
- }
-
- /*!
- * @brief 檢查某點是否在底片範圍內
- *
- * @param [in] yx 底片座標
- *
- * @return \c true/false
- */
- bool inside(Vector2D<double> const& yx) const {
- Vector2D<double> c = bitmapCoord(yx);
- ssize_t h_max = (ssize_t)height() - 1;
- ssize_t w_max = (ssize_t)width () - 1;
- return (0 <= c.y() && c.y() <= h_max && 0 <= c.x() && c.x() <= w_max);
- }
-
- /*!
- * @brief 檢查某點是否在底片範圍內
- *
- * @param [in] p 大地座標
- *
- * @return \c true/false
- */
- bool inside(Vector3D<double> const& p) const {
- if (p.z() > 0) return false;
- return inside(Vector2D<double>(self->proj_.transformate(p.matrix())));
- }
-
- /*!
- * @brief 取得給照片座標中某點的色彩
- *
- * 用浮點數vector傳入, 所以色彩是經過渲染過的
- *
- * @param [in] yx 底片座標(原點為center)
- *
- * @return pixel
- */
- Pixel color(Vector2D<double> const& yx) const {
- if (!inside(yx)) return Pixel(0);
- Vector2D<double> c(bitmapCoord(yx));
- int y0 = (int)c.y();
- int x0 = (int)c.x();
- double h[2] = {1 - (c.y() - y0), c.y() - y0};
- double w[2] = {1 - (c.x() - x0), c.x() - x0};
- Pixel sum(0);
- for (int dy = 0; dy < 2; dy++)
- for (int dx = 0; dx < 2; dx++) {
- sum = sum + bitmap().pixel(
- std::min(y0 + dy, (int)height() - 1),
- std::min(x0 + dx, (int)width () - 1)) * (w[dy] * h[dx]);
- }
- return sum;
- }
-
- /*!
- * @brief 取得給照片座標中某點的色彩
- *
- * 這次是輸入大地座標
- *
- * @param [in] p 大地座標p
- * @return pixel
- */
- Pixel color(Vector3D<double> const& p) const {
- return color(Vector2D<double>(self->proj_.transformate(p.matrix())));
- }
-
- /*!
- * @brief same as \c .copyFrom(b)
- */
- Photo& operator=(Photo const& b) {
- return copyFrom(b);
- }
-
- /*! @brief 將資料寫入檔案
- *
- * @note 未完成
- */
- bool write(FILE* f, bool bin, unsigned int fg) const {
- if (bitmap().write(f, bin, fg) == false) return false;
- if (bin) {
- double tmp;
- if (fwrite(&(tmp = center().x()), sizeof(tmp), 1, f) < 1) return false;
- if (fwrite(&(tmp = center().y()), sizeof(tmp), 1, f) < 1) return false;
- if (fwrite(&(tmp = focal()), sizeof(tmp), 1, f) < 1) return false;
- }
- else {
- if (fprintf(f, "%f %f\n", center().x(), center().y()) < 2) return false;
- if (fprintf(f, "%f\n", focal()) < 1) return false;
- }
- return true;
- }
-
- /*! @brief 將資料讀入
- *
- * @note 未完成
- */
- bool read(FILE* f, bool bin, unsigned int fg) {
- if (bitmapGet().read(f, bin, fg) == false) return false;
- double tmp[3];
- if (bin) {
- if (fread(tmp, sizeof(double), 3, f) < 3) return false;
- }
- else {
- if (fscanf(f, "%lf %lf %lf", tmp + 0, tmp + 1, tmp + 2) < 3) return false;
- }
- centerGet().x(tmp[0]);
- centerGet().y(tmp[1]);
- focal(tmp[2]);
- return true;
- }
-
- /*! @brief new一個自己
- *
- * @return 一個new出來的Photo<Pixel>
- */
- ObjBase* create() const {
- return new Photo();
- }
-
- /*! @brief 複製資料
- *
- * 輸入型別是 \c ObjBase \c const*
- * 這裡假設實體其實是 \c Bitmap.
- * 事實上這個method就只是幫忙轉型然後呼叫原本的\c copyFrom
- *
- * @param [in] b 資料來源
- * @return this
- */
- ObjBase* copyFrom(ObjBase const* b) {
- return &(copyFrom(*(Photo*)b));
- }
-
- /*! @brief 回傳class的type
- *
- * @return \c char \c const\c * 形式的typename
- */
- char const* ctype() const{
- return typeid(*this).name();
- }
-
- /*! @brief 回傳class的type
- *
- * @return \c std::string 形式的typename
- */
- std::string type() const {
- return std::string(ctype());
- }
-};
-
-} // meow
-
-#endif // gra_Photo_H__
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 04:28:19 +0800