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751 lines
20 KiB
C++
751 lines
20 KiB
C++
#ifndef RAYLIB_CPP_INCLUDE_IMAGE_HPP_
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#define RAYLIB_CPP_INCLUDE_IMAGE_HPP_
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#include <string>
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#include "./raylib.hpp"
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#include "./raylib-cpp-utils.hpp"
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#include "./RaylibException.hpp"
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#include "./Color.hpp"
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namespace raylib {
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/**
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* Image type, bpp always RGBA (32bit)
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*
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* Data stored in CPU memory (RAM)
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*/
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class Image : public ::Image {
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public:
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Image(void* data = nullptr,
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int width = 0,
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int height = 0,
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int mipmaps = 1,
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int format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8) : ::Image{data, width, height, mipmaps, format} {
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// Nothing.
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}
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Image(const ::Image& image) {
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set(image);
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}
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/**
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* Load an image from the given file.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*
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* @see Load()
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*/
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Image(const std::string& fileName) {
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Load(fileName);
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}
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/**
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* Load a raw image from the given file, with the provided width, height, and formats.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*
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* @see LoadRaw()
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*/
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Image(const std::string& fileName, int width, int height, int format, int headerSize = 0) {
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Load(fileName, width, height, format, headerSize);
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}
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/**
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* Load an animation image from the given file.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*
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* @see LoadAnim()
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*/
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Image(const std::string& fileName, int* frames) {
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Load(fileName, frames);
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}
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/**
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* Load an image from the given file.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*/
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Image(const std::string& fileType, const unsigned char* fileData, int dataSize) {
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Load(fileType, fileData, dataSize);
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}
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/**
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* Load an image from the given file.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*/
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Image(const ::Texture2D& texture) {
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Load(texture);
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}
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Image(int width, int height, ::Color color = {255, 255, 255, 255}) {
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set(::GenImageColor(width, height, color));
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}
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Image(const std::string& text, int fontSize, ::Color color = {255, 255, 255, 255}) {
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set(::ImageText(text.c_str(), fontSize, color));
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}
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Image(const ::Font& font, const std::string& text, float fontSize, float spacing,
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::Color tint = {255, 255, 255, 255}) {
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set(::ImageTextEx(font, text.c_str(), fontSize, spacing, tint));
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}
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Image(const Image& other) {
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set(other.Copy());
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}
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Image(Image&& other) {
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set(other);
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other.data = nullptr;
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other.width = 0;
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other.height = 0;
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other.mipmaps = 0;
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other.format = 0;
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}
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static ::Image Text(const std::string& text, int fontSize,
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::Color color = {255, 255, 255, 255}) {
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return ::ImageText(text.c_str(), fontSize, color);
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}
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static ::Image Text(const ::Font& font, const std::string& text, float fontSize, float spacing,
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::Color tint = {255, 255, 255, 255}) {
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return ::ImageTextEx(font, text.c_str(), fontSize, spacing, tint);
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}
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/**
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* Get pixel data from screen buffer and return an Image (screenshot)
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*/
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static ::Image LoadFromScreen() {
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return ::LoadImageFromScreen();
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}
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/**
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* Generate image: plain color
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*/
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static ::Image Color(int width, int height, ::Color color = {255, 255, 255, 255}) {
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return ::GenImageColor(width, height, color);
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}
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/**
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* Generate image: linear gradient
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*/
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static ::Image GradientLinear(int width, int height, int direction, ::Color start, ::Color end) {
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return ::GenImageGradientLinear(width, height, direction, start, end);
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}
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/**
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* Generate image: radial gradient
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*/
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static ::Image GradientRadial(int width, int height, float density,
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::Color inner, ::Color outer) {
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return ::GenImageGradientRadial(width, height, density, inner, outer);
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}
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/**
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* Generate image: checked
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*/
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static ::Image Checked(int width, int height, int checksX, int checksY,
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::Color col1 = {255, 255, 255, 255}, ::Color col2 = {0, 0, 0, 255}) {
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return ::GenImageChecked(width, height, checksX, checksY, col1, col2);
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}
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/**
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* Generate image: white noise
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*/
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static ::Image WhiteNoise(int width, int height, float factor) {
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return ::GenImageWhiteNoise(width, height, factor);
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}
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/**
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* Generate image: cellular algorithm. Bigger tileSize means bigger cells
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*/
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static ::Image Cellular(int width, int height, int tileSize) {
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return ::GenImageCellular(width, height, tileSize);
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}
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~Image() {
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Unload();
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}
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Image& operator=(const ::Image& image) {
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set(image);
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return *this;
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}
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Image& operator=(const Image& other) {
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if (this == &other) {
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return *this;
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}
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Unload();
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set(other.Copy());
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return *this;
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}
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Image& operator=(Image&& other) noexcept {
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if (this == &other) {
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return *this;
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}
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Unload();
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set(other);
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other.data = nullptr;
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other.width = 0;
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other.height = 0;
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other.mipmaps = 0;
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other.format = 0;
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return *this;
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}
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/**
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* Load image from file into CPU memory (RAM)
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*
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* @see ::LoadImage()
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*/
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void Load(const std::string& fileName) {
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set(::LoadImage(fileName.c_str()));
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if (!IsReady()) {
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throw RaylibException("Failed to load Image from file: " + fileName);
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}
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}
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/**
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* Load image from RAW file data.
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*
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* @see ::LoadImageRaw()
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*/
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void Load(const std::string& fileName, int width, int height, int format, int headerSize) {
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set(::LoadImageRaw(fileName.c_str(), width, height, format, headerSize));
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if (!IsReady()) {
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throw RaylibException("Failed to load Image from file: " + fileName);
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}
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}
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/**
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* Load image sequence from file (frames appended to image.data).
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*
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* @throws raylib::RaylibException Thrown if the image animation to load from the file.
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*
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* @see ::LoadImageAnim()
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*/
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void Load(const std::string& fileName, int* frames) {
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set(::LoadImageAnim(fileName.c_str(), frames));
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if (!IsReady()) {
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throw RaylibException("Failed to load Image from file: " + fileName);
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}
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}
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/**
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* Load image from memory buffer, fileType refers to extension: i.e. "png".
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*
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* @throws raylib::RaylibException Thrown if the image animation to load from the file.
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*
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* @see ::LoadImageFromMemory()
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*/
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void Load(
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const std::string& fileType,
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const unsigned char *fileData,
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int dataSize) {
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set(::LoadImageFromMemory(fileType.c_str(), fileData, dataSize));
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if (!IsReady()) {
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throw RaylibException("Failed to load Image data with file type: " + fileType);
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}
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}
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/**
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* Load an image from the given file.
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*
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* @throws raylib::RaylibException Thrown if the image animation to load from the file.
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*
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* @see ::LoadImageFromTexture()
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*/
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void Load(const ::Texture2D& texture) {
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set(::LoadImageFromTexture(texture));
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if (!IsReady()) {
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throw RaylibException("Failed to load Image from texture.");
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}
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}
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/**
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* Unload image from CPU memory (RAM)
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*/
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inline void Unload() {
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if (data != nullptr) {
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::UnloadImage(*this);
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data = nullptr;
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}
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}
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/**
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* Export image data to file, returns true on success
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*/
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inline void Export(const std::string& fileName) const {
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if (!::ExportImage(*this, fileName.c_str())) {
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throw RaylibException(TextFormat("Failed to export Image to file: %s", fileName.c_str()));
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}
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}
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/**
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* Export image to memory buffer
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*/
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inline unsigned char* ExportToMemory(const char *fileType, int *fileSize) {
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return ::ExportImageToMemory(*this, fileType, fileSize);
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}
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/**
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* Export image as code file defining an array of bytes, returns true on success
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*
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* @throws raylib::RaylibException Thrown if the image failed to load from the file.
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*/
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inline void ExportAsCode(const std::string& fileName) const {
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if (!::ExportImageAsCode(*this, fileName.c_str())) {
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throw RaylibException(TextFormat("Failed to export Image code to file: %s", fileName.c_str()));
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}
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}
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GETTERSETTER(void*, Data, data)
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GETTERSETTER(int, Width, width)
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GETTERSETTER(int, Height, height)
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GETTERSETTER(int, Mipmaps, mipmaps)
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GETTERSETTER(int, Format, format)
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/**
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* Retrieve the width and height of the image.
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*/
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inline ::Vector2 GetSize() const {
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return {static_cast<float>(width), static_cast<float>(height)};
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}
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/**
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* Create an image duplicate (useful for transformations)
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*/
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inline ::Image Copy() const {
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return ::ImageCopy(*this);
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}
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/**
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* Create an image from another image piece
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*/
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inline ::Image FromImage(::Rectangle rec) const {
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return ::ImageFromImage(*this, rec);
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}
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/**
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* Convert image data to desired format
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*/
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inline Image& Format(int newFormat) {
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::ImageFormat(this, newFormat);
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return *this;
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}
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/**
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* Convert image to POT (power-of-two)
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*/
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inline Image& ToPOT(::Color fillColor) {
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::ImageToPOT(this, fillColor);
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return *this;
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}
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/**
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* Crop an image to area defined by a rectangle
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*/
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inline Image& Crop(::Rectangle crop) {
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::ImageCrop(this, crop);
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return *this;
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}
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/**
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* Crop image depending on alpha value
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*/
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inline Image& AlphaCrop(float threshold) {
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::ImageAlphaCrop(this, threshold);
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return *this;
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}
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/**
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* Clear alpha channel to desired color
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*/
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inline Image& AlphaClear(::Color color, float threshold) {
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::ImageAlphaClear(this, color, threshold);
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return *this;
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}
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/**
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* Apply alpha mask to image
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*/
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inline Image& AlphaMask(const ::Image& alphaMask) {
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::ImageAlphaMask(this, alphaMask);
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return *this;
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}
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/**
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* Premultiply alpha channel
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*/
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inline Image& AlphaPremultiply() {
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::ImageAlphaPremultiply(this);
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return *this;
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}
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/**
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* Crop an image to a new given width and height.
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*/
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inline Image& Crop(int newWidth, int newHeight) {
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return Crop(0, 0, newWidth, newHeight);
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}
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/**
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* Crop an image to a new given width and height based on a vector.
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*/
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inline Image& Crop(::Vector2 size) {
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return Crop(0, 0, static_cast<int>(size.x), static_cast<int>(size.y));
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}
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/**
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* Crop an image to area defined by a rectangle
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*/
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inline Image& Crop(int offsetX, int offsetY, int newWidth, int newHeight) {
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::Rectangle rect{
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static_cast<float>(offsetX),
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static_cast<float>(offsetY),
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static_cast<float>(newWidth),
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static_cast<float>(newHeight)
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};
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::ImageCrop(this, rect);
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return *this;
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}
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/**
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* Resize and image to new size
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*/
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inline Image& Resize(int newWidth, int newHeight) {
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::ImageResize(this, newWidth, newHeight);
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return *this;
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}
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/**
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* Resize and image to new size using Nearest-Neighbor scaling algorithm
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*/
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inline Image& ResizeNN(int newWidth, int newHeight) {
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::ImageResizeNN(this, newWidth, newHeight);
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return *this;
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}
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/**
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* Resize canvas and fill with color
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*/
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inline Image& ResizeCanvas(int newWidth, int newHeight, int offsetX = 0, int offsetY = 0,
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::Color color = {255, 255, 255, 255}) {
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::ImageResizeCanvas(this, newWidth, newHeight, offsetX, offsetY, color);
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return *this;
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}
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/**
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* Generate all mipmap levels for a provided image
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*/
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inline Image& Mipmaps() {
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::ImageMipmaps(this);
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return *this;
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}
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/**
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* Dither image data to 16bpp or lower (Floyd-Steinberg dithering)
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*/
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inline Image& Dither(int rBpp, int gBpp, int bBpp, int aBpp) {
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::ImageDither(this, rBpp, gBpp, bBpp, aBpp);
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return *this;
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}
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/**
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* Flip image vertically
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*/
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inline Image& FlipVertical() {
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::ImageFlipVertical(this);
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return *this;
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}
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/**
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* Flip image horizontally
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*/
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inline Image& FlipHorizontal() {
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::ImageFlipHorizontal(this);
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return *this;
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}
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/**
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* Rotate image by input angle in degrees (-359 to 359)
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*/
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inline Image& Rotate(int degrees) {
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::ImageRotate(this, degrees);
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return *this;
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}
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/**
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* Rotate image clockwise 90deg
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*/
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inline Image& RotateCW() {
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::ImageRotateCW(this);
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return *this;
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}
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/**
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* Rotate image counter-clockwise 90deg
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*/
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inline Image& RotateCCW() {
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::ImageRotateCCW(this);
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return *this;
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}
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/**
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* Modify image color: tint
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*/
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inline Image& ColorTint(::Color color = {255, 255, 255, 255}) {
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::ImageColorTint(this, color);
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return *this;
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}
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/**
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* Modify image color: invert
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*/
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inline Image& ColorInvert() {
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::ImageColorInvert(this);
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return *this;
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}
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/**
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* Modify image color: grayscale
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*/
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inline Image& ColorGrayscale() {
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::ImageColorGrayscale(this);
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return *this;
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}
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/**
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* Modify image color: contrast
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*
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* @param contrast Contrast values between -100 and 100
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*/
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inline Image& ColorContrast(float contrast) {
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::ImageColorContrast(this, contrast);
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return *this;
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}
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/**
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* Modify image color: brightness
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*
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* @param brightness Brightness values between -255 and 255
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*/
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inline Image& ColorBrightness(int brightness) {
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::ImageColorBrightness(this, brightness);
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return *this;
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}
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/**
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* Modify image color: replace color
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*/
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inline Image& ColorReplace(::Color color, ::Color replace) {
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::ImageColorReplace(this, color, replace);
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return *this;
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}
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/**
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* Get image alpha border rectangle
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*
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* @param threshold Threshold is defined as a percentatge: 0.0f -> 1.0f
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*/
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inline Rectangle GetAlphaBorder(float threshold) const {
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return ::GetImageAlphaBorder(*this, threshold);
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}
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/**
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* Get image pixel color at (x, y) position
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*/
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inline raylib::Color GetColor(int x = 0, int y = 0) const {
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return ::GetImageColor(*this, x, y);
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}
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/**
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* Get image pixel color at vector position
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*/
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inline raylib::Color GetColor(::Vector2 position) const {
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return ::GetImageColor(*this, static_cast<int>(position.x), static_cast<int>(position.y));
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}
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/**
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* Clear image background with given color
|
|
*/
|
|
inline Image& ClearBackground(::Color color = {0, 0, 0, 255}) {
|
|
::ImageClearBackground(this, color);
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* Draw pixel within an image
|
|
*/
|
|
inline void DrawPixel(int posX, int posY, ::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawPixel(this, posX, posY, color);
|
|
}
|
|
|
|
inline void DrawPixel(::Vector2 position, ::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawPixelV(this, position, color);
|
|
}
|
|
|
|
inline void DrawLine(int startPosX, int startPosY, int endPosX, int endPosY,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawLine(this, startPosX, startPosY, endPosX, endPosY, color);
|
|
}
|
|
|
|
inline void DrawLine(::Vector2 start, ::Vector2 end, ::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawLineV(this, start, end, color);
|
|
}
|
|
|
|
inline void DrawCircle(int centerX, int centerY, int radius,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawCircle(this, centerX, centerY, radius, color);
|
|
}
|
|
|
|
inline void DrawCircle(::Vector2 center, int radius,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawCircleV(this, center, radius, color);
|
|
}
|
|
|
|
inline void DrawRectangle(int posX, int posY, int width, int height,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawRectangle(this, posX, posY, width, height, color);
|
|
}
|
|
|
|
inline void DrawRectangle(Vector2 position, Vector2 size,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawRectangleV(this, position, size, color);
|
|
}
|
|
|
|
inline void DrawRectangle(::Rectangle rec, ::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawRectangleRec(this, rec, color);
|
|
}
|
|
|
|
inline void DrawRectangleLines(::Rectangle rec, int thick = 1,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawRectangleLines(this, rec, thick, color);
|
|
}
|
|
|
|
inline void Draw(const ::Image& src, ::Rectangle srcRec, ::Rectangle dstRec,
|
|
::Color tint = {255, 255, 255, 255}) {
|
|
::ImageDraw(this, src, srcRec, dstRec, tint);
|
|
}
|
|
|
|
inline void DrawText(const std::string& text, ::Vector2 position, int fontSize,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawText(this,
|
|
text.c_str(),
|
|
static_cast<int>(position.x),
|
|
static_cast<int>(position.y),
|
|
fontSize,
|
|
color);
|
|
}
|
|
|
|
inline void DrawText(const std::string& text, int x, int y, int fontSize,
|
|
::Color color = {255, 255, 255, 255}) {
|
|
::ImageDrawText(this, text.c_str(), x, y, fontSize, color);
|
|
}
|
|
|
|
inline void DrawText(const ::Font& font, const std::string& text, ::Vector2 position,
|
|
float fontSize, float spacing, ::Color tint = {255, 255, 255, 255}) {
|
|
::ImageDrawTextEx(this, font, text.c_str(), position, fontSize, spacing, tint);
|
|
}
|
|
|
|
/**
|
|
* Load color data from image as a Color array (RGBA - 32bit)
|
|
*/
|
|
inline ::Color* LoadColors() const {
|
|
return ::LoadImageColors(*this);
|
|
}
|
|
|
|
/**
|
|
* Load colors palette from image as a Color array (RGBA - 32bit)
|
|
*/
|
|
inline ::Color* LoadPalette(int maxPaletteSize, int *colorsCount) const {
|
|
return ::LoadImagePalette(*this, maxPaletteSize, colorsCount);
|
|
}
|
|
|
|
/**
|
|
* Unload color data loaded with LoadImageColors()
|
|
*/
|
|
inline void UnloadColors(::Color* colors) const {
|
|
::UnloadImageColors(colors);
|
|
}
|
|
|
|
/**
|
|
* Unload colors palette loaded with LoadImagePalette()
|
|
*/
|
|
inline void UnloadPalette(::Color* colors) const {
|
|
::UnloadImagePalette(colors);
|
|
}
|
|
|
|
/**
|
|
* Load texture from image data.
|
|
*/
|
|
inline ::Texture2D LoadTexture() const {
|
|
return ::LoadTextureFromImage(*this);
|
|
}
|
|
|
|
/**
|
|
* Loads a texture from the image data.
|
|
*
|
|
* @see LoadTexture()
|
|
*/
|
|
inline operator ::Texture2D() {
|
|
return LoadTexture();
|
|
}
|
|
|
|
/**
|
|
* Get pixel data size in bytes for certain format
|
|
*/
|
|
static int GetPixelDataSize(int width, int height, int format = PIXELFORMAT_UNCOMPRESSED_R32G32B32A32) {
|
|
return ::GetPixelDataSize(width, height, format);
|
|
}
|
|
|
|
/**
|
|
* Returns the pixel data size based on the current image.
|
|
*
|
|
* @return The pixel data size of the image.
|
|
*/
|
|
inline int GetPixelDataSize() const {
|
|
return ::GetPixelDataSize(width, height, format);
|
|
}
|
|
|
|
/**
|
|
* Retrieve whether or not the Image has been loaded.
|
|
*
|
|
* @return True or false depending on whether the Image has been loaded.
|
|
*/
|
|
inline bool IsReady() const {
|
|
return ::IsImageReady(*this);
|
|
}
|
|
|
|
protected:
|
|
void set(const ::Image& image) {
|
|
data = image.data;
|
|
width = image.width;
|
|
height = image.height;
|
|
mipmaps = image.mipmaps;
|
|
format = image.format;
|
|
}
|
|
};
|
|
} // namespace raylib
|
|
|
|
using RImage = raylib::Image;
|
|
|
|
#endif // RAYLIB_CPP_INCLUDE_IMAGE_HPP_
|