From f776df6076725d14679b31168e3ede53c966182e Mon Sep 17 00:00:00 2001 From: Yann Herklotz Date: Tue, 31 Oct 2017 22:11:18 +0000 Subject: renaming base folder --- yage/base/CMakeLists.txt | 15 - yage/base/camera2d.cpp | 45 -- yage/base/camera2d.h | 38 -- yage/base/glslprogram.cpp | 162 ------ yage/base/glslprogram.h | 52 -- yage/base/imageloader.cpp | 64 --- yage/base/imageloader.h | 27 - yage/base/inputmanager.cpp | 33 -- yage/base/inputmanager.h | 28 -- yage/base/iomanager.cpp | 42 -- yage/base/iomanager.h | 27 - yage/base/picopng.cpp | 1118 ----------------------------------------- yage/base/picopng.h | 20 - yage/base/resourcemanager.cpp | 21 - yage/base/resourcemanager.h | 33 -- yage/base/sprite.cpp | 95 ---- yage/base/sprite.h | 52 -- yage/base/spritebatch.cpp | 193 ------- yage/base/spritebatch.h | 110 ---- yage/base/spritesheet.cpp | 85 ---- yage/base/spritesheet.h | 64 --- yage/base/texture.h | 32 -- yage/base/texturecache.cpp | 28 -- yage/base/texturecache.h | 33 -- yage/base/vertex.h | 84 ---- yage/base/window.cpp | 89 ---- yage/base/window.h | 65 --- 27 files changed, 2655 deletions(-) delete mode 100644 yage/base/CMakeLists.txt delete mode 100644 yage/base/camera2d.cpp delete mode 100644 yage/base/camera2d.h delete mode 100644 yage/base/glslprogram.cpp delete mode 100644 yage/base/glslprogram.h delete mode 100644 yage/base/imageloader.cpp delete mode 100644 yage/base/imageloader.h delete mode 100644 yage/base/inputmanager.cpp delete mode 100644 yage/base/inputmanager.h delete mode 100644 yage/base/iomanager.cpp delete mode 100644 yage/base/iomanager.h delete mode 100644 yage/base/picopng.cpp delete mode 100644 yage/base/picopng.h delete mode 100644 yage/base/resourcemanager.cpp delete mode 100644 yage/base/resourcemanager.h delete mode 100644 yage/base/sprite.cpp delete mode 100644 yage/base/sprite.h delete mode 100644 yage/base/spritebatch.cpp delete mode 100644 yage/base/spritebatch.h delete mode 100644 yage/base/spritesheet.cpp delete mode 100644 yage/base/spritesheet.h delete mode 100644 yage/base/texture.h delete mode 100644 yage/base/texturecache.cpp delete mode 100644 yage/base/texturecache.h delete mode 100644 yage/base/vertex.h delete mode 100644 yage/base/window.cpp delete mode 100644 yage/base/window.h (limited to 'yage/base') diff --git a/yage/base/CMakeLists.txt b/yage/base/CMakeLists.txt deleted file mode 100644 index f36d806d..00000000 --- a/yage/base/CMakeLists.txt +++ /dev/null @@ -1,15 +0,0 @@ -set(YAGE_BASE_SOURCES - base/imageloader.cpp - base/window.cpp - base/texturecache.cpp - base/glslprogram.cpp - base/sprite.cpp - base/spritebatch.cpp - base/spritesheet.cpp - base/resourcemanager.cpp - base/sprite.cpp - base/inputmanager.cpp - base/picopng.cpp - base/camera2d.cpp - base/iomanager.cpp - ) diff --git a/yage/base/camera2d.cpp b/yage/base/camera2d.cpp deleted file mode 100644 index 9eda38ee..00000000 --- a/yage/base/camera2d.cpp +++ /dev/null @@ -1,45 +0,0 @@ -/* ---------------------------------------------------------------------------- - * camera2d.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include "camera2d.h" - -#include - -namespace yage -{ - -Camera2D::Camera2D(int screen_width, int screen_height) - : position_(0.f, 0.f), camera_matrix_(1.f), - ortho_matrix_( - glm::ortho(0.f, (float)screen_width, 0.f, (float)screen_height)) -{ -} - -void Camera2D::update(GlslProgram &program) -{ - if (update_matrix_) { - glm::vec3 translate(-position_.x, -position_.y, 0.f); - glm::vec3 scale(scale_, scale_, 0.f); - - camera_matrix_ = glm::translate(ortho_matrix_, translate); - camera_matrix_ = glm::scale(glm::mat4(1.f), scale) * camera_matrix_; - - update_matrix_ = false; - } - - GLint matrix_location = program.getUniformLocation("P"); - glUniformMatrix4fv(matrix_location, 1, GL_FALSE, &(camera_matrix_[0][0])); -} - -void Camera2D::move(const glm::vec2 &direction) -{ - position_ += direction; - update_matrix_ = true; -} - -} // namespace yage diff --git a/yage/base/camera2d.h b/yage/base/camera2d.h deleted file mode 100644 index a60893ac..00000000 --- a/yage/base/camera2d.h +++ /dev/null @@ -1,38 +0,0 @@ -/* ---------------------------------------------------------------------------- - * camera2d.h - * - * Copyright (c) 2017 Yann Herklotz Grave - * MIT License, see LICENSE file for more details. - * ---------------------------------------------------------------------------- - */ - -#ifndef YAGE_CAMERA2D_H -#define YAGE_CAMERA2D_H - -#include "glslprogram.h" - -#include -#include - -namespace yage -{ - -class Camera2D -{ -private: - bool update_matrix_ = true; - float scale_ = 1; - glm::vec2 position_; - glm::mat4 camera_matrix_; - glm::mat4 ortho_matrix_; - -public: - Camera2D(int screen_width = 1280, int screen_height = 720); - - void update(GlslProgram &program); - void move(const glm::vec2 &direction); -}; - -} // namespace yage - -#endif diff --git a/yage/base/glslprogram.cpp b/yage/base/glslprogram.cpp deleted file mode 100644 index cff84e40..00000000 --- a/yage/base/glslprogram.cpp +++ /dev/null @@ -1,162 +0,0 @@ -/* ---------------------------------------------------------------------------- - * glslprogram.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include "glslprogram.h" - -#include -#include -#include - -namespace yage -{ - -GlslProgram::~GlslProgram() -{ - // cleanup all the shaders and the program - if (fragment_shader_id_ != 0) { - glDeleteShader(fragment_shader_id_); - } - - if (vertex_shader_id_ != 0) { - glDeleteShader(vertex_shader_id_); - } - - if (program_id_ != 0) { - glDeleteProgram(program_id_); - } -} - -void GlslProgram::compileShader(const GLuint &shader, - const std::string &file_path) -{ - // get a string with the input from the shader file - std::ifstream file(file_path); - if (!file.is_open()) { - throw std::runtime_error("Failed to open '" + file_path + "'"); - } - - std::string content = ""; - std::string line; - - while (std::getline(file, line)) { - content += line + "\n"; - } - file.close(); - - // cast source to a c string to get the address of it and input it for - // compilation - const auto *vertex_source = (const GLchar *)content.c_str(); - glShaderSource(shader, 1, &vertex_source, nullptr); - glCompileShader(shader); - - // check if compilation was successful - GLint is_compiled = 0; - glGetShaderiv(shader, GL_COMPILE_STATUS, (int *)&is_compiled); - - // if it isn't compiled throw exception to clean up - if (is_compiled == GL_FALSE) { - GLint max_length = 0; - glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &max_length); - - std::vector error_log(max_length); - glGetShaderInfoLog(shader, max_length, &max_length, &error_log[0]); - std::string error_log_str((const char *)&error_log[0]); - - throw std::runtime_error("Couldn't compile " + file_path + " : " + - error_log_str); - } -} - -void GlslProgram::compileShaders(const std::string &vertex_shader_path, - const std::string &fragment_shader_path) -{ - // create the program that will be run on GPU - program_id_ = glCreateProgram(); - - // create vertex shader - vertex_shader_id_ = glCreateShader(GL_VERTEX_SHADER); - if (vertex_shader_id_ == 0) { - throw std::runtime_error("Vertex shader failed to be created"); - } - - // create fragment shader - fragment_shader_id_ = glCreateShader(GL_FRAGMENT_SHADER); - if (fragment_shader_id_ == 0) { - throw std::runtime_error("Fragment shader failed to be created"); - } - - // compile the two shaders - compileShader(vertex_shader_id_, vertex_shader_path); - compileShader(fragment_shader_id_, fragment_shader_path); -} - -void GlslProgram::linkShaders() -{ - // attach the shaders that we want - glAttachShader(program_id_, vertex_shader_id_); - glAttachShader(program_id_, fragment_shader_id_); - - // link our program - glLinkProgram(program_id_); - - GLint is_linked = 0; - glGetProgramiv(program_id_, GL_LINK_STATUS, (int *)&is_linked); - if (is_linked == GL_FALSE) { - GLint max_length = 0; - glGetProgramiv(program_id_, GL_INFO_LOG_LENGTH, &max_length); - - std::vector error_log(max_length); - glGetProgramInfoLog(program_id_, max_length, &max_length, - &error_log[0]); - - std::string error_log_str((const char *)&error_log[0]); - - throw std::runtime_error("Could not link program : " + error_log_str); - } - - // detach shaders after successful link - glDetachShader(program_id_, fragment_shader_id_); - glDetachShader(program_id_, vertex_shader_id_); - - // we can then delete the shaders once we have the program - glDeleteShader(fragment_shader_id_); - glDeleteShader(vertex_shader_id_); -} - -void GlslProgram::addAttribute(const std::string &attribute_name) -{ - glBindAttribLocation(program_id_, attribute_index_++, - attribute_name.c_str()); -} - -GLint GlslProgram::getUniformLocation(const std::string &uniform_name) -{ - GLint location = glGetUniformLocation(program_id_, uniform_name.c_str()); - if ((GLuint)location == GL_INVALID_INDEX) { - throw std::runtime_error("'" + uniform_name + "' not found"); - } - return location; -} - -void GlslProgram::use() -{ - glUseProgram(program_id_); - for (int i = 0; i < attribute_index_; ++i) { - glEnableVertexAttribArray(i); - } -} - -void GlslProgram::unuse() -{ - for (int i = 0; i < attribute_index_; ++i) { - glDisableVertexAttribArray(i); - } - glUseProgram(0); -} - -} // namespace yage diff --git a/yage/base/glslprogram.h b/yage/base/glslprogram.h deleted file mode 100644 index 545dbe54..00000000 --- a/yage/base/glslprogram.h +++ /dev/null @@ -1,52 +0,0 @@ -/* ---------------------------------------------------------------------------- - * glslprogram.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef GLSL_PROGRAM_H -#define GLSL_PROGRAM_H - -#include - -#include - -namespace yage -{ - -class GlslProgram -{ -private: - /// compiled shader program id - GLuint program_id_ = 0; - GLuint vertex_shader_id_ = 0; - GLuint fragment_shader_id_ = 0; - int attribute_index_ = 0; - - /// compiles one shader - void compileShader(const GLuint &shader, const std::string &file_path); - -public: - GlslProgram() = default; - GlslProgram(const GlslProgram &) = delete; - GlslProgram(GlslProgram &&) = delete; - ~GlslProgram(); - - GlslProgram &operator=(const GlslProgram &) = delete; - GlslProgram &operator=(GlslProgram &&) = delete; - - /// compiles vertex and fragment shader - void compileShaders(const std::string &vertex_shader_path, - const std::string &fragment_shader_path); - void linkShaders(); - void addAttribute(const std::string &attribute_name); - GLint getUniformLocation(const std::string &uniform_name); - void use(); - void unuse(); -}; - -} // namespace yage - -#endif diff --git a/yage/base/imageloader.cpp b/yage/base/imageloader.cpp deleted file mode 100644 index e1d54dc1..00000000 --- a/yage/base/imageloader.cpp +++ /dev/null @@ -1,64 +0,0 @@ -/* ---------------------------------------------------------------------------- - * imageloader.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include "imageloader.h" - -#ifndef UNIT_TESTS -#include -#endif - -#include -#include - -#include -#include - -namespace yage -{ - -Texture ImageLoader::loadPng(const std::string &file_path) -{ - std::vector in; - std::vector out; - unsigned long width, height; - - if (!IoManager::readFileToBuffer(file_path, in)) { - throw std::runtime_error("Failed to load '" + file_path + - "' to buffer"); - } - - int error_code = decodePNG(out, width, height, &in[0], in.size()); - if (error_code != 0) { - throw std::runtime_error("Failed to load '" + file_path + - "' to png with error code" + - std::to_string(error_code)); - } - - Texture texture(0, static_cast(width), static_cast(height)); - std::cout << "Geometry: " << texture.width << "x" << texture.height << "\n"; - - glGenTextures(1, &texture.id); - - glBindTexture(GL_TEXTURE_2D, texture.id); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, - GL_UNSIGNED_BYTE, &out[0]); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, - GL_LINEAR_MIPMAP_LINEAR); - - glGenerateMipmap(GL_TEXTURE_2D); - - glBindTexture(GL_TEXTURE_2D, 0); - - return texture; -} - -} // namespace yage diff --git a/yage/base/imageloader.h b/yage/base/imageloader.h deleted file mode 100644 index 8d5c5cd1..00000000 --- a/yage/base/imageloader.h +++ /dev/null @@ -1,27 +0,0 @@ -/* ---------------------------------------------------------------------------- - * imageloader.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef IMAGE_LOADER_H -#define IMAGE_LOADER_H - -#include "texture.h" - -#include - -namespace yage -{ - -class ImageLoader -{ -public: - static Texture loadPng(const std::string &file_path); -}; - -} // namespace yage - -#endif diff --git a/yage/base/inputmanager.cpp b/yage/base/inputmanager.cpp deleted file mode 100644 index 15ff374b..00000000 --- a/yage/base/inputmanager.cpp +++ /dev/null @@ -1,33 +0,0 @@ -/* ---------------------------------------------------------------------------- - * inputmanager.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include - -namespace yage -{ - -void InputManager::keyPressed(unsigned key) -{ - key_map_[key] = true; -} - -void InputManager::keyReleased(unsigned key) -{ - key_map_[key] = false; -} - -bool InputManager::isKeyPressed(unsigned key) const -{ - auto key_index = key_map_.find(key); - if (key_index != key_map_.end()) { - return key_index->second; - } - return false; -} - -} // namespace yage diff --git a/yage/base/inputmanager.h b/yage/base/inputmanager.h deleted file mode 100644 index 84728fff..00000000 --- a/yage/base/inputmanager.h +++ /dev/null @@ -1,28 +0,0 @@ -/* ---------------------------------------------------------------------------- - * inputmanager.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef INPUT_MANAGER_H -#define INPUT_MANAGER_H - -#include - -namespace yage -{ - -class InputManager -{ -private: - std::unordered_map key_map_; - -public: - void keyPressed(unsigned key); - void keyReleased(unsigned key); - bool isKeyPressed(unsigned key) const; -}; -} // namespace yage -#endif diff --git a/yage/base/iomanager.cpp b/yage/base/iomanager.cpp deleted file mode 100644 index d5b950d6..00000000 --- a/yage/base/iomanager.cpp +++ /dev/null @@ -1,42 +0,0 @@ -/* ---------------------------------------------------------------------------- - * iomanager.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include - -#include -#include - -namespace yage -{ - -bool IoManager::readFileToBuffer(const std::string &file_path, - std::vector &buffer) -{ - std::ifstream file(file_path, std::ios::binary); - if (!file.is_open()) { - throw std::runtime_error("Could not open '" + file_path + "'"); - } - - // seek to the end - file.seekg(0, std::ios::end); - - // get the file size - int file_size = file.tellg(); - file.seekg(0, std::ios::beg); - - // reduce file size by header bytes - file_size -= file.tellg(); - - buffer.resize(file_size); - file.read((char *)&buffer[0], file_size); - file.close(); - - return true; -} - -} // namespace yage diff --git a/yage/base/iomanager.h b/yage/base/iomanager.h deleted file mode 100644 index 95abd652..00000000 --- a/yage/base/iomanager.h +++ /dev/null @@ -1,27 +0,0 @@ -/* ---------------------------------------------------------------------------- - * iomanager.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef IO_MANAGER_H -#define IO_MANAGER_H - -#include -#include - -namespace yage -{ - -class IoManager -{ -public: - static bool readFileToBuffer(const std::string &file_path, - std::vector &buffer); -}; - -} // namespace yage - -#endif diff --git a/yage/base/picopng.cpp b/yage/base/picopng.cpp deleted file mode 100644 index dcc4b367..00000000 --- a/yage/base/picopng.cpp +++ /dev/null @@ -1,1118 +0,0 @@ -#include -#include - -namespace yage -{ - -/* - decodePNG: The picoPNG function, decodes a PNG file buffer in memory, into a - raw pixel buffer. - out_image: output parameter, this will contain the raw pixels after decoding. - By default the output is 32-bit RGBA color. - The std::vector is automatically resized to the correct size. - image_width: output_parameter, this will contain the width of the image in - pixels. - image_height: output_parameter, this will contain the height of the image in - pixels. - in_png: pointer to the buffer of the PNG file in memory. To get it from a file - on - disk, load it and store it in a memory buffer yourself first. - in_size: size of the input PNG file in bytes. - convert_to_rgba32: optional parameter, true by default. - Set to true to get the output in RGBA 32-bit (8 bit per channel) color format - no matter what color type the original PNG image had. This gives predictable, - useable data from any random input PNG. - Set to false to do no color conversion at all. The result then has the same - data - type as the PNG image, which can range from 1 bit to 64 bits per pixel. - Information about the color type or palette colors are not provided. You need - to know this information yourself to be able to use the data so this only - works for trusted PNG files. Use LodePNG instead of picoPNG if you need this - information. - return: 0 if success, not 0 if some error occured. -*/ -int decodePNG(std::vector &out_image, unsigned long &image_width, - unsigned long &image_height, const unsigned char *in_png, - size_t in_size, bool convert_to_rgba32) -{ - // picoPNG version 20101224 - // Copyright (c) 2005-2010 Lode Vandevenne - // - // This software is provided 'as-is', without any express or implied - // warranty. In no event will the authors be held liable for any damages - // arising from the use of this software. - // - // Permission is granted to anyone to use this software for any purpose, - // including commercial applications, and to alter it and redistribute it - // freely, subject to the following restrictions: - // - // 1. The origin of this software must not be misrepresented; you must - // not - // claim that you wrote the original software. If you use this software - // in a product, an acknowledgment in the product documentation would be - // appreciated but is not required. - // 2. Altered source versions must be plainly marked as such, and must - // not be - // misrepresented as being the original software. - // 3. This notice may not be removed or altered from any source - // distribution. - - // picoPNG is a PNG decoder in one C++ function of around 500 lines. Use - // picoPNG for - // programs that need only 1 .cpp file. Since it's a single function, it's - // very limited, - // it can convert a PNG to raw pixel data either converted to 32-bit RGBA - // color or - // with no color conversion at all. For anything more complex, another tiny - // library - // is available: LodePNG (lodepng.c(pp)), which is a single source and - // header file. - // Apologies for the compact code style, it's to make this tiny. - - static const unsigned long LENBASE[29] = { - 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, - 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; - static const unsigned long LENEXTRA[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, - 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, - 4, 4, 4, 4, 5, 5, 5, 5, 0}; - static const unsigned long DISTBASE[30] = { - 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, - 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, - 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577}; - static const unsigned long DISTEXTRA[30] = { - 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, - 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13}; - static const unsigned long CLCL[19] = { - 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, - 11, 4, 12, 3, 13, 2, 14, 1, 15}; // code length code lengths - struct Zlib // nested functions for zlib decompression - { - static unsigned long readBitFromStream(size_t &bitp, - const unsigned char *bits) - { - unsigned long result = (bits[bitp >> 3] >> (bitp & 0x7)) & 1; - bitp++; - return result; - } - static unsigned long readBitsFromStream(size_t &bitp, - const unsigned char *bits, - size_t nbits) - { - unsigned long result = 0; - for (size_t i = 0; i < nbits; i++) { - result += (readBitFromStream(bitp, bits)) << i; - } - return result; - } - struct HuffmanTree { - int makeFromLengths(const std::vector &bitlen, - unsigned long maxbitlen) - { // make tree given the lengths - unsigned long numcodes = (unsigned long)(bitlen.size()), - treepos = 0, nodefilled = 0; - std::vector tree1d(numcodes), - blcount(maxbitlen + 1, 0), nextcode(maxbitlen + 1, 0); - for (unsigned long bits = 0; bits < numcodes; bits++) { - blcount[bitlen[bits]]++; // count number of instances of - } - // each code length - for (unsigned long bits = 1; bits <= maxbitlen; bits++) { - nextcode[bits] = (nextcode[bits - 1] + blcount[bits - 1]) - << 1; - } - for (unsigned long n = 0; n < numcodes; n++) { - if (bitlen[n] != 0) { - tree1d[n] = - nextcode[bitlen[n]]++; // generate all the codes - } - } - tree2d.clear(); - tree2d.resize(numcodes * 2, 32767); // 32767 here means the - // tree2d isn't filled - // there yet - for (unsigned long n = 0; n < numcodes; n++) { // the codes - for (unsigned long i = 0; i < bitlen[n]; - i++) // the bits for this code - { - unsigned long bit = - (tree1d[n] >> (bitlen[n] - i - 1)) & 1; - if (treepos > numcodes - 2) { - return 55; - } - if (tree2d[2 * treepos + bit] == - 32767) // not yet filled in - { - if (i + 1 == bitlen[n]) { - tree2d[2 * treepos + bit] = n; - treepos = 0; - } // last bit - else { - tree2d[2 * treepos + bit] = - ++nodefilled + numcodes; - treepos = nodefilled; - } // addresses are encoded as values > numcodes - } else { - treepos = tree2d[2 * treepos + bit] - - numcodes; // subtract numcodes from - } - // address to get address value - } - } - return 0; - } - int decode(bool &decoded, unsigned long &result, size_t &treepos, - unsigned long bit) const - { // Decodes a symbol from the tree - unsigned long numcodes = (unsigned long)tree2d.size() / 2; - if (treepos >= numcodes) { - return 11; // error: you appeared outside the codetree - } - result = tree2d[2 * treepos + bit]; - decoded = (result < numcodes); - treepos = decoded ? 0 : result - numcodes; - return 0; - } - std::vector tree2d; // 2D representation of a - // huffman tree: The one - // dimension is "0" or "1", the - // other contains all nodes and - // leaves of the tree. - }; - struct Inflator { - int error; - void inflate(std::vector &out, - const std::vector &in, size_t inpos = 0) - { - size_t bp = 0, pos = 0; // bit pointer and byte pointer - error = 0; - unsigned long BFINAL = 0; - while (!BFINAL && !error) { - if (bp >> 3 >= in.size()) { - error = 52; - return; - } // error, bit pointer will jump past memory - BFINAL = readBitFromStream(bp, &in[inpos]); - unsigned long BTYPE = readBitFromStream(bp, &in[inpos]); - BTYPE += 2 * readBitFromStream(bp, &in[inpos]); - if (BTYPE == 3) { - error = 20; - return; - } // error: invalid BTYPE - else if (BTYPE == 0) { - inflateNoCompression(out, &in[inpos], bp, pos, - in.size()); - } else { - inflateHuffmanBlock(out, &in[inpos], bp, pos, in.size(), - BTYPE); - } - } - if (!error) { - out.resize(pos); // Only now we know the true size of out, - } - // resize it to that - } - void generateFixedTrees(HuffmanTree &tree, - HuffmanTree &treeD) // get the tree of a - // deflated block with - // fixed tree - { - std::vector bitlen(288, 8), bitlenD(32, 5); - ; - for (size_t i = 144; i <= 255; i++) { - bitlen[i] = 9; - } - for (size_t i = 256; i <= 279; i++) { - bitlen[i] = 7; - } - tree.makeFromLengths(bitlen, 15); - treeD.makeFromLengths(bitlenD, 15); - } - HuffmanTree codetree, codetreeD, - codelengthcodetree; // the code tree for Huffman codes, dist - // codes, and code length codes - unsigned long huffmanDecodeSymbol(const unsigned char *in, - size_t &bp, - const HuffmanTree &codetree, - size_t inlength) - { // decode a single symbol from given list of - // bits with given code tree. return value - // is the symbol - bool decoded; - unsigned long ct; - for (size_t treepos = 0;;) { - if ((bp & 0x07) == 0 && (bp >> 3) > inlength) { - error = 10; - return 0; - } // error: end reached without endcode - error = codetree.decode(decoded, ct, treepos, - readBitFromStream(bp, in)); - if (error) { - return 0; // stop, an error happened - } - if (decoded) { - return ct; - } - } - } - void getTreeInflateDynamic(HuffmanTree &tree, HuffmanTree &treeD, - const unsigned char *in, size_t &bp, - size_t inlength) - { // get the tree of a deflated block with - // dynamic tree, the tree itself is also - // Huffman compressed with a known tree - std::vector bitlen(288, 0), bitlenD(32, 0); - if (bp >> 3 >= inlength - 2) { - error = 49; - return; - } // the bit pointer is or will go past the memory - size_t HLIT = readBitsFromStream(bp, in, 5) + - 257; // number of literal/length codes + 257 - size_t HDIST = readBitsFromStream(bp, in, 5) + - 1; // number of dist codes + 1 - size_t HCLEN = readBitsFromStream(bp, in, 4) + - 4; // number of code length codes + 4 - std::vector codelengthcode( - 19); // lengths of tree to decode the lengths of the - // dynamic tree - for (size_t i = 0; i < 19; i++) { - codelengthcode[CLCL[i]] = - (i < HCLEN) ? readBitsFromStream(bp, in, 3) : 0; - } - error = codelengthcodetree.makeFromLengths(codelengthcode, 7); - if (error) { - return; - } - size_t i = 0, replength; - while (i < HLIT + HDIST) { - unsigned long code = huffmanDecodeSymbol( - in, bp, codelengthcodetree, inlength); - if (error) { - return; - } - if (code <= 15) { - if (i < HLIT) { - bitlen[i++] = code; - } else { - bitlenD[i++ - HLIT] = code; - } - } // a length code - else if (code == 16) // repeat previous - { - if (bp >> 3 >= inlength) { - error = 50; - return; - } // error, bit pointer jumps past memory - replength = 3 + readBitsFromStream(bp, in, 2); - unsigned long value; // set value to the previous code - if ((i - 1) < HLIT) { - value = bitlen[i - 1]; - } else { - value = bitlenD[i - HLIT - 1]; - } - for (size_t n = 0; n < replength; - n++) // repeat this value in the next lengths - { - if (i >= HLIT + HDIST) { - error = 13; - return; - } // error: i is larger than the amount of codes - if (i < HLIT) { - bitlen[i++] = value; - } else { - bitlenD[i++ - HLIT] = value; - } - } - } else if (code == 17) // repeat "0" 3-10 times - { - if (bp >> 3 >= inlength) { - error = 50; - return; - } // error, bit pointer jumps past memory - replength = 3 + readBitsFromStream(bp, in, 3); - for (size_t n = 0; n < replength; - n++) // repeat this value in the next lengths - { - if (i >= HLIT + HDIST) { - error = 14; - return; - } // error: i is larger than the amount of codes - if (i < HLIT) { - bitlen[i++] = 0; - } else { - bitlenD[i++ - HLIT] = 0; - } - } - } else if (code == 18) // repeat "0" 11-138 times - { - if (bp >> 3 >= inlength) { - error = 50; - return; - } // error, bit pointer jumps past memory - replength = 11 + readBitsFromStream(bp, in, 7); - for (size_t n = 0; n < replength; - n++) // repeat this value in the next lengths - { - if (i >= HLIT + HDIST) { - error = 15; - return; - } // error: i is larger than the amount of codes - if (i < HLIT) { - bitlen[i++] = 0; - } else { - bitlenD[i++ - HLIT] = 0; - } - } - } else { - error = 16; - return; - } // error: somehow an unexisting code appeared. This can - // never happen. - } - if (bitlen[256] == 0) { - error = 64; - return; - } // the length of the end code 256 must be larger than 0 - error = tree.makeFromLengths(bitlen, 15); - if (error) { - return; // now we've finally got HLIT and HDIST, so - } - // generate the code trees, and the function is - // done - error = treeD.makeFromLengths(bitlenD, 15); - if (error) { - return; - } - } - void inflateHuffmanBlock(std::vector &out, - const unsigned char *in, size_t &bp, - size_t &pos, size_t inlength, - unsigned long btype) - { - if (btype == 1) { - generateFixedTrees(codetree, codetreeD); - } else if (btype == 2) { - getTreeInflateDynamic(codetree, codetreeD, in, bp, - inlength); - if (error) { - return; - } - } - for (;;) { - unsigned long code = - huffmanDecodeSymbol(in, bp, codetree, inlength); - if (error) { - return; - } - if (code == 256) { - return; // end code - } else if (code <= 255) // literal symbol - { - if (pos >= out.size()) { - out.resize((pos + 1) * 2); // reserve more room - } - out[pos++] = (unsigned char)(code); - } else if (code >= 257 && code <= 285) // length code - { - size_t length = LENBASE[code - 257], - numextrabits = LENEXTRA[code - 257]; - if ((bp >> 3) >= inlength) { - error = 51; - return; - } // error, bit pointer will jump past memory - length += readBitsFromStream(bp, in, numextrabits); - unsigned long codeD = - huffmanDecodeSymbol(in, bp, codetreeD, inlength); - if (error) { - return; - } - if (codeD > 29) { - error = 18; - return; - } // error: invalid dist code (30-31 are never used) - unsigned long dist = DISTBASE[codeD], - numextrabitsD = DISTEXTRA[codeD]; - if ((bp >> 3) >= inlength) { - error = 51; - return; - } // error, bit pointer will jump past memory - dist += readBitsFromStream(bp, in, numextrabitsD); - size_t start = pos, back = start - dist; // backwards - if (pos + length >= out.size()) { - out.resize((pos + length) * 2); // reserve more - } - // room - for (size_t i = 0; i < length; i++) { - out[pos++] = out[back++]; - if (back >= start) { - back = start - dist; - } - } - } - } - } - void inflateNoCompression(std::vector &out, - const unsigned char *in, size_t &bp, - size_t &pos, size_t inlength) - { - while ((bp & 0x7) != 0) { - bp++; // go to first boundary of byte - } - size_t p = bp / 8; - if (p >= inlength - 4) { - error = 52; - return; - } // error, bit pointer will jump past memory - unsigned long LEN = in[p] + 256 * in[p + 1], - NLEN = in[p + 2] + 256 * in[p + 3]; - p += 4; - if (LEN + NLEN != 65535) { - error = 21; - return; - } // error: NLEN is not one's complement of LEN - if (pos + LEN >= out.size()) { - out.resize(pos + LEN); - } - if (p + LEN > inlength) { - error = 23; - return; - } // error: reading outside of in buffer - for (unsigned long n = 0; n < LEN; n++) { - out[pos++] = in[p++]; // read LEN bytes of literal data - } - bp = p * 8; - } - }; - int - decompress(std::vector &out, - const std::vector &in) // returns error value - { - Inflator inflator; - if (in.size() < 2) { - return 53; - } // error, size of zlib data too small - if ((in[0] * 256 + in[1]) % 31 != 0) { - return 24; - } // error: 256 * in[0] + in[1] must be a multiple of 31, the - // FCHECK value is supposed to be made that way - unsigned long CM = in[0] & 15, CINFO = (in[0] >> 4) & 15, - FDICT = (in[1] >> 5) & 1; - if (CM != 8 || CINFO > 7) { - return 25; - } // error: only compression method 8: inflate with sliding window - // of 32k is supported by the PNG spec - if (FDICT != 0) { - return 26; - } // error: the specification of PNG says about the zlib stream: - // "The additional flags shall not specify a preset dictionary." - inflator.inflate(out, in, 2); - return inflator - .error; // note: adler32 checksum was skipped and ignored - } - }; - struct PNG // nested functions for PNG decoding - { - struct Info { - unsigned long width, height, colorType, bitDepth, compressionMethod, - filterMethod, interlaceMethod, key_r, key_g, key_b; - bool key_defined; // is a transparent color key given? - std::vector palette; - } info; - int error; - void decode(std::vector &out, const unsigned char *in, - size_t size, bool convert_to_rgba32) - { - error = 0; - if (size == 0 || in == nullptr) { - error = 48; - return; - } // the given data is empty - readPngHeader(&in[0], size); - if (error) { - return; - } - size_t pos = 33; // first byte of the first chunk after the header - std::vector idat; // the data from idat chunks - bool IEND = false, known_type = true; - info.key_defined = false; - while (!IEND) // loop through the chunks, ignoring unknown chunks - // and stopping at IEND chunk. IDAT data is put at - // the start of the in buffer - { - if (pos + 8 >= size) { - error = 30; - return; - } // error: size of the in buffer too small to contain next - // chunk - size_t chunkLength = read32bitInt(&in[pos]); - pos += 4; - if (chunkLength > 2147483647) { - error = 63; - return; - } - if (pos + chunkLength >= size) { - error = 35; - return; - } // error: size of the in buffer too small to contain next - // chunk - if (in[pos + 0] == 'I' && in[pos + 1] == 'D' && - in[pos + 2] == 'A' && - in[pos + 3] == - 'T') // IDAT chunk, containing compressed image data - { - idat.insert(idat.end(), &in[pos + 4], - &in[pos + 4 + chunkLength]); - pos += (4 + chunkLength); - } else if (in[pos + 0] == 'I' && in[pos + 1] == 'E' && - in[pos + 2] == 'N' && in[pos + 3] == 'D') { - pos += 4; - IEND = true; - } else if (in[pos + 0] == 'P' && in[pos + 1] == 'L' && - in[pos + 2] == 'T' && - in[pos + 3] == 'E') // palette chunk (PLTE) - { - pos += 4; // go after the 4 letters - info.palette.resize(4 * (chunkLength / 3)); - if (info.palette.size() > (4 * 256)) { - error = 38; - return; - } // error: palette too big - for (size_t i = 0; i < info.palette.size(); i += 4) { - for (size_t j = 0; j < 3; j++) { - info.palette[i + j] = in[pos++]; // RGB - } - info.palette[i + 3] = 255; // alpha - } - } else if (in[pos + 0] == 't' && in[pos + 1] == 'R' && - in[pos + 2] == 'N' && - in[pos + 3] == - 'S') // palette transparency chunk (tRNS) - { - pos += 4; // go after the 4 letters - if (info.colorType == 3) { - if (4 * chunkLength > info.palette.size()) { - error = 39; - return; - } // error: more alpha values given than there are - // palette entries - for (size_t i = 0; i < chunkLength; i++) { - info.palette[4 * i + 3] = in[pos++]; - } - } else if (info.colorType == 0) { - if (chunkLength != 2) { - error = 40; - return; - } // error: this chunk must be 2 bytes for greyscale - // image - info.key_defined = true; - info.key_r = info.key_g = info.key_b = - 256 * in[pos] + in[pos + 1]; - pos += 2; - } else if (info.colorType == 2) { - if (chunkLength != 6) { - error = 41; - return; - } // error: this chunk must be 6 bytes for RGB image - info.key_defined = true; - info.key_r = 256 * in[pos] + in[pos + 1]; - pos += 2; - info.key_g = 256 * in[pos] + in[pos + 1]; - pos += 2; - info.key_b = 256 * in[pos] + in[pos + 1]; - pos += 2; - } else { - error = 42; - return; - } // error: tRNS chunk not allowed for other color models - } else // it's not an implemented chunk type, so ignore it: - // skip over the data - { - if (!(in[pos + 0] & 32)) { - error = 69; - return; - } // error: unknown critical chunk (5th bit of first byte - // of chunk type is 0) - pos += (chunkLength + 4); // skip 4 letters and - // uninterpreted data of - // unimplemented chunk - known_type = false; - } - pos += 4; // step over CRC (which is ignored) - } - unsigned long bpp = getBpp(info); - std::vector scanlines( - ((info.width * (info.height * bpp + 7)) / 8) + - info.height); // now the out buffer will be filled - Zlib zlib; // decompress with the Zlib decompressor - error = zlib.decompress(scanlines, idat); - if (error) { - return; // stop if the zlib decompressor returned an error - } - size_t bytewidth = (bpp + 7) / 8, - outlength = (info.height * info.width * bpp + 7) / 8; - out.resize(outlength); // time to fill the out buffer - unsigned char *out_ = - outlength ? &out[0] : nullptr; // use a regular pointer to the - // std::vector for faster code if - // compiled without optimization - if (info.interlaceMethod == 0) // no interlace, just filter - { - size_t linestart = 0, - linelength = (info.width * bpp + 7) / - 8; // length in bytes of a scanline, - // excluding the filtertype byte - if (bpp >= 8) { // byte per byte - for (unsigned long y = 0; y < info.height; y++) { - unsigned long filterType = scanlines[linestart]; - const unsigned char *prevline = - (y == 0) ? nullptr - : &out_[(y - 1) * info.width * bytewidth]; - unFilterScanline(&out_[linestart - y], - &scanlines[linestart + 1], prevline, - bytewidth, filterType, linelength); - if (error) { - return; - } - linestart += - (1 + linelength); // go to start of next scanline - } - } else // less than 8 bits per pixel, so fill it up bit per bit - { - std::vector templine( - (info.width * bpp + 7) >> 3); // only used if bpp < 8 - for (size_t y = 0, obp = 0; y < info.height; y++) { - unsigned long filterType = scanlines[linestart]; - const unsigned char *prevline = - (y == 0) ? nullptr - : &out_[(y - 1) * info.width * bytewidth]; - unFilterScanline(&templine[0], - &scanlines[linestart + 1], prevline, - bytewidth, filterType, linelength); - if (error) { - return; - } - for (size_t bp = 0; bp < info.width * bpp;) { - setBitOfReversedStream( - obp, out_, - readBitFromReversedStream(bp, &templine[0])); - } - linestart += - (1 + linelength); // go to start of next scanline - } - } - } else // interlaceMethod is 1 (Adam7) - { - size_t passw[7] = {(info.width + 7) / 8, (info.width + 3) / 8, - (info.width + 3) / 4, (info.width + 1) / 4, - (info.width + 1) / 2, (info.width + 0) / 2, - (info.width + 0) / 1}; - size_t passh[7] = {(info.height + 7) / 8, (info.height + 7) / 8, - (info.height + 3) / 8, (info.height + 3) / 4, - (info.height + 1) / 4, (info.height + 1) / 2, - (info.height + 0) / 2}; - size_t passstart[7] = {0}; - size_t pattern[28] = {0, 4, 0, 2, 0, 1, 0, 0, 0, 4, - 0, 2, 0, 1, 8, 8, 4, 4, 2, 2, - 1, 8, 8, 8, 4, 4, 2, 2}; // values for the - // adam7 passes - for (int i = 0; i < 6; i++) { - passstart[i + 1] = passstart[i] + - passh[i] * ((passw[i] ? 1 : 0) + - (passw[i] * bpp + 7) / 8); - } - std::vector scanlineo((info.width * bpp + 7) / - 8), - scanlinen((info.width * bpp + 7) / - 8); //"old" and "new" scanline - for (int i = 0; i < 7; i++) { - adam7Pass(&out_[0], &scanlinen[0], &scanlineo[0], - &scanlines[passstart[i]], info.width, pattern[i], - pattern[i + 7], pattern[i + 14], pattern[i + 21], - passw[i], passh[i], bpp); - } - } - if (convert_to_rgba32 && (info.colorType != 6 || - info.bitDepth != 8)) // conversion needed - { - std::vector data = out; - error = convert(out, &data[0], info, info.width, info.height); - } - } - void readPngHeader(const unsigned char *in, - size_t inlength) // read the information from the - // header and store it in the Info - { - if (inlength < 29) { - error = 27; - return; - } // error: the data length is smaller than the length of the - // header - if (in[0] != 137 || in[1] != 80 || in[2] != 78 || in[3] != 71 || - in[4] != 13 || in[5] != 10 || in[6] != 26 || in[7] != 10) { - error = 28; - return; - } // no PNG signature - if (in[12] != 'I' || in[13] != 'H' || in[14] != 'D' || - in[15] != 'R') { - error = 29; - return; - } // error: it doesn't start with a IHDR chunk! - info.width = read32bitInt(&in[16]); - info.height = read32bitInt(&in[20]); - info.bitDepth = in[24]; - info.colorType = in[25]; - info.compressionMethod = in[26]; - if (in[26] != 0) { - error = 32; - return; - } // error: only compression method 0 is allowed in the - // specification - info.filterMethod = in[27]; - if (in[27] != 0) { - error = 33; - return; - } // error: only filter method 0 is allowed in the specification - info.interlaceMethod = in[28]; - if (in[28] > 1) { - error = 34; - return; - } // error: only interlace methods 0 and 1 exist in the - // specification - error = checkColorValidity(info.colorType, info.bitDepth); - } - void unFilterScanline(unsigned char *recon, - const unsigned char *scanline, - const unsigned char *precon, size_t bytewidth, - unsigned long filterType, size_t length) - { - switch (filterType) { - case 0: - for (size_t i = 0; i < length; i++) { - recon[i] = scanline[i]; - } - break; - case 1: - for (size_t i = 0; i < bytewidth; i++) { - recon[i] = scanline[i]; - } - for (size_t i = bytewidth; i < length; i++) { - recon[i] = scanline[i] + recon[i - bytewidth]; - } - break; - case 2: - if (precon) { - for (size_t i = 0; i < length; i++) { - recon[i] = scanline[i] + precon[i]; - } - } else { - for (size_t i = 0; i < length; i++) { - recon[i] = scanline[i]; - } - } - break; - case 3: - if (precon) { - for (size_t i = 0; i < bytewidth; i++) { - recon[i] = scanline[i] + precon[i] / 2; - } - for (size_t i = bytewidth; i < length; i++) { - recon[i] = scanline[i] + - ((recon[i - bytewidth] + precon[i]) / 2); - } - } else { - for (size_t i = 0; i < bytewidth; i++) { - recon[i] = scanline[i]; - } - for (size_t i = bytewidth; i < length; i++) { - recon[i] = scanline[i] + recon[i - bytewidth] / 2; - } - } - break; - case 4: - if (precon) { - for (size_t i = 0; i < bytewidth; i++) { - recon[i] = - scanline[i] + paethPredictor(0, precon[i], 0); - } - for (size_t i = bytewidth; i < length; i++) { - recon[i] = - scanline[i] + paethPredictor(recon[i - bytewidth], - precon[i], - precon[i - bytewidth]); - } - } else { - for (size_t i = 0; i < bytewidth; i++) { - recon[i] = scanline[i]; - } - for (size_t i = bytewidth; i < length; i++) { - recon[i] = scanline[i] + - paethPredictor(recon[i - bytewidth], 0, 0); - } - } - break; - default: - error = 36; - return; // error: unexisting filter type given - } - } - void adam7Pass(unsigned char *out, unsigned char *linen, - unsigned char *lineo, const unsigned char *in, - unsigned long w, size_t passleft, size_t passtop, - size_t spacex, size_t spacey, size_t passw, size_t passh, - unsigned long bpp) - { // filter and reposition the pixels - // into the output when the image - // is Adam7 interlaced. This - // function can only do it after - // the full image is already - // decoded. The out buffer must - // have the correct allocated - // memory size already. - if (passw == 0) { - return; - } - size_t bytewidth = (bpp + 7) / 8, - linelength = 1 + ((bpp * passw + 7) / 8); - for (unsigned long y = 0; y < passh; y++) { - unsigned char filterType = in[y * linelength], - *prevline = (y == 0) ? nullptr : lineo; - unFilterScanline(linen, &in[y * linelength + 1], prevline, - bytewidth, filterType, (w * bpp + 7) / 8); - if (error) { - return; - } - if (bpp >= 8) { - for (size_t i = 0; i < passw; i++) { - for (size_t b = 0; b < bytewidth; - b++) { // b = current byte of this pixel - out[bytewidth * w * (passtop + spacey * y) + - bytewidth * (passleft + spacex * i) + b] = - linen[bytewidth * i + b]; - } - } - } else { - for (size_t i = 0; i < passw; i++) { - size_t obp = bpp * w * (passtop + spacey * y) + - bpp * (passleft + spacex * i), - bp = i * bpp; - for (size_t b = 0; b < bpp; b++) { - setBitOfReversedStream( - obp, out, - readBitFromReversedStream(bp, &linen[0])); - } - } - } - unsigned char *temp = linen; - linen = lineo; - lineo = temp; // swap the two buffer pointers "line old" and - // "line new" - } - } - static unsigned long - readBitFromReversedStream(size_t &bitp, const unsigned char *bits) - { - unsigned long result = (bits[bitp >> 3] >> (7 - (bitp & 0x7))) & 1; - bitp++; - return result; - } - static unsigned long - readBitsFromReversedStream(size_t &bitp, const unsigned char *bits, - unsigned long nbits) - { - unsigned long result = 0; - for (size_t i = nbits - 1; i < nbits; i--) { - result += ((readBitFromReversedStream(bitp, bits)) << i); - } - return result; - } - void setBitOfReversedStream(size_t &bitp, unsigned char *bits, - unsigned long bit) - { - bits[bitp >> 3] |= (bit << (7 - (bitp & 0x7))); - bitp++; - } - unsigned long read32bitInt(const unsigned char *buffer) - { - return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | - buffer[3]; - } - int checkColorValidity( - unsigned long colorType, - unsigned long bd) // return type is a LodePNG error code - { - if ((colorType == 2 || colorType == 4 || colorType == 6)) { - if (!(bd == 8 || bd == 16)) { - return 37; - } else { - return 0; - } - } else if (colorType == 0) { - if (!(bd == 1 || bd == 2 || bd == 4 || bd == 8 || bd == 16)) { - return 37; - } else { - return 0; - } - } else if (colorType == 3) { - if (!(bd == 1 || bd == 2 || bd == 4 || bd == 8)) { - return 37; - } else { - return 0; - } - } else { - return 31; // unexisting color type - } - } - unsigned long getBpp(const Info &info) - { - if (info.colorType == 2) { - return (3 * info.bitDepth); - } else if (info.colorType >= 4) { - return (info.colorType - 2) * info.bitDepth; - } else { - return info.bitDepth; - } - } - int convert(std::vector &out, const unsigned char *in, - Info &infoIn, unsigned long w, unsigned long h) - { // converts from any color type to - // 32-bit. return value = LodePNG error - // code - size_t numpixels = w * h, bp = 0; - out.resize(numpixels * 4); - unsigned char *out_ = - out.empty() - ? nullptr - : &out[0]; // faster if compiled without optimization - if (infoIn.bitDepth == 8 && infoIn.colorType == 0) { // greyscale - for (size_t i = 0; i < numpixels; i++) { - out_[4 * i + 0] = out_[4 * i + 1] = out_[4 * i + 2] = in[i]; - out_[4 * i + 3] = - (infoIn.key_defined && in[i] == infoIn.key_r) ? 0 : 255; - } - } else if (infoIn.bitDepth == 8 && infoIn.colorType == 2) { // RGB - // color - for (size_t i = 0; i < numpixels; i++) { - for (size_t c = 0; c < 3; c++) { - out_[4 * i + c] = in[3 * i + c]; - } - out_[4 * i + 3] = (infoIn.key_defined == 1 && - in[3 * i + 0] == infoIn.key_r && - in[3 * i + 1] == infoIn.key_g && - in[3 * i + 2] == infoIn.key_b) - ? 0 - : 255; - } - } else if (infoIn.bitDepth == 8 && - infoIn.colorType == 3) { // indexed color (palette) - for (size_t i = 0; i < numpixels; i++) { - if (4U * in[i] >= infoIn.palette.size()) { - return 46; - } - for (size_t c = 0; c < 4; c++) { - out_[4 * i + c] = - infoIn.palette[4 * in[i] + c]; // get rgb colors - } - // from the palette - } - } else if (infoIn.bitDepth == 8 && - infoIn.colorType == 4) { // greyscale with alpha - for (size_t i = 0; i < numpixels; i++) { - out_[4 * i + 0] = out_[4 * i + 1] = out_[4 * i + 2] = - in[2 * i + 0]; - out_[4 * i + 3] = in[2 * i + 1]; - } - } else if (infoIn.bitDepth == 8 && infoIn.colorType == 6) { - for (size_t i = 0; i < numpixels; i++) { - for (size_t c = 0; c < 4; c++) { - out_[4 * i + c] = in[4 * i + c]; // RGB with alpha - } - } - } else if (infoIn.bitDepth == 16 && - infoIn.colorType == 0) { // greyscale - for (size_t i = 0; i < numpixels; i++) { - out_[4 * i + 0] = out_[4 * i + 1] = out_[4 * i + 2] = - in[2 * i]; - out_[4 * i + 3] = (infoIn.key_defined && - 256U * in[i] + in[i + 1] == infoIn.key_r) - ? 0 - : 255; - } - } else if (infoIn.bitDepth == 16 && - infoIn.colorType == 2) { // RGB color - for (size_t i = 0; i < numpixels; i++) { - for (size_t c = 0; c < 3; c++) { - out_[4 * i + c] = in[6 * i + 2 * c]; - } - out_[4 * i + 3] = - (infoIn.key_defined && - 256U * in[6 * i + 0] + in[6 * i + 1] == infoIn.key_r && - 256U * in[6 * i + 2] + in[6 * i + 3] == infoIn.key_g && - 256U * in[6 * i + 4] + in[6 * i + 5] == infoIn.key_b) - ? 0 - : 255; - } - } else if (infoIn.bitDepth == 16 && - infoIn.colorType == 4) { // greyscale with alpha - for (size_t i = 0; i < numpixels; i++) { - out_[4 * i + 0] = out_[4 * i + 1] = out_[4 * i + 2] = - in[4 * i]; // most significant byte - out_[4 * i + 3] = in[4 * i + 2]; - } - } else if (infoIn.bitDepth == 16 && infoIn.colorType == 6) { - for (size_t i = 0; i < numpixels; i++) { - for (size_t c = 0; c < 4; c++) { - out_[4 * i + c] = in[8 * i + 2 * c]; // RGB with alpha - } - } - } else if (infoIn.bitDepth < 8 && - infoIn.colorType == 0) { // greyscale - for (size_t i = 0; i < numpixels; i++) { - unsigned long value = - (readBitsFromReversedStream(bp, in, infoIn.bitDepth) * - 255) / - ((1 << infoIn.bitDepth) - - 1); // scale value from 0 to 255 - out_[4 * i + 0] = out_[4 * i + 1] = out_[4 * i + 2] = - (unsigned char)(value); - out_[4 * i + 3] = - (infoIn.key_defined && value && - ((1U << infoIn.bitDepth) - 1U) == infoIn.key_r && - ((1U << infoIn.bitDepth) - 1U)) - ? 0 - : 255; - } - } else if (infoIn.bitDepth < 8 && - infoIn.colorType == 3) { // palette - for (size_t i = 0; i < numpixels; i++) { - unsigned long value = - readBitsFromReversedStream(bp, in, infoIn.bitDepth); - if (4 * value >= infoIn.palette.size()) { - return 47; - } - for (size_t c = 0; c < 4; c++) { - out_[4 * i + c] = - infoIn.palette[4 * value + c]; // get rgb colors - } - // from the palette - } - } - return 0; - } - unsigned char - paethPredictor(short a, short b, - short c) // Paeth predicter, used by PNG filter type 4 - { - short p = a + b - c, pa = p > a ? (p - a) : (a - p), - pb = p > b ? (p - b) : (b - p), - pc = p > c ? (p - c) : (c - p); - return (unsigned char)((pa <= pb && pa <= pc) ? a - : pb <= pc ? b : c); - } - }; - PNG decoder; - decoder.decode(out_image, in_png, in_size, convert_to_rgba32); - image_width = decoder.info.width; - image_height = decoder.info.height; - return decoder.error; -} - -} // namespace yage diff --git a/yage/base/picopng.h b/yage/base/picopng.h deleted file mode 100644 index 095bf68a..00000000 --- a/yage/base/picopng.h +++ /dev/null @@ -1,20 +0,0 @@ -/* ---------------------------------------------------------------------------- - * picopng.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include -#include - -namespace yage -{ - -extern int decodePNG(std::vector &out_image, - unsigned long &image_width, unsigned long &image_height, - const unsigned char *in_png, size_t in_size, - bool convert_to_rgba32 = true); - -} // namespace yage diff --git a/yage/base/resourcemanager.cpp b/yage/base/resourcemanager.cpp deleted file mode 100644 index f3f9aa20..00000000 --- a/yage/base/resourcemanager.cpp +++ /dev/null @@ -1,21 +0,0 @@ -/* ---------------------------------------------------------------------------- - * resourcemanager.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include - -namespace yage -{ - -TextureCache ResourceManager::texture_cache_; - -Texture ResourceManager::getTexture(const std::string &texture_path) -{ - return texture_cache_.getTexture(texture_path); -} - -} // namespace yage diff --git a/yage/base/resourcemanager.h b/yage/base/resourcemanager.h deleted file mode 100644 index 52d98e12..00000000 --- a/yage/base/resourcemanager.h +++ /dev/null @@ -1,33 +0,0 @@ - -/* ---------------------------------------------------------------------------- - * resourcemanager.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef RESOURCE_MANAGER_H -#define RESOURCE_MANAGER_H - -#include "texture.h" -#include "texturecache.h" - -#include - -namespace yage -{ - -class ResourceManager -{ -private: - static TextureCache texture_cache_; - -public: - static Texture getTexture(const std::string &texture_path); - -}; - -} // namespace yage - -#endif diff --git a/yage/base/sprite.cpp b/yage/base/sprite.cpp deleted file mode 100644 index 9ac4dc55..00000000 --- a/yage/base/sprite.cpp +++ /dev/null @@ -1,95 +0,0 @@ -/* ---------------------------------------------------------------------------- - * sprite.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include -#include -#include - -#include - -namespace yage -{ - -Sprite::~Sprite() -{ - if (vbo_id_ != 0) { - glDeleteBuffers(1, &vbo_id_); - } -} - -void Sprite::init(float x, float y, float width, float height, - const std::string &texture_path) -{ - x_ = x; - y_ = y; - width_ = width; - height_ = height; - texture_ = ResourceManager::getTexture(texture_path); - - if (vbo_id_ == 0) { - glGenBuffers(1, &vbo_id_); - } - - Vertex vertex_data[6]; - - vertex_data[0].setPosition(x + width, y + height); - vertex_data[0].setUv(1.f, 1.f); - - vertex_data[1].setPosition(x, y + height); - vertex_data[1].setUv(0.f, 1.f); - - vertex_data[2].setPosition(x, y); - vertex_data[2].setUv(0.f, 0.f); - - vertex_data[3].setPosition(x, y); - vertex_data[3].setUv(0.f, 0.f); - - vertex_data[4].setPosition(x + width, y + height); - vertex_data[4].setUv(1.f, 1.f); - - vertex_data[5].setPosition(x + width, y); - vertex_data[5].setUv(1.f, 0.f); - - for (auto &i : vertex_data) { - i.setColor(255, 0, 255, 255); - } - - vertex_data[1].setColor(0, 255, 255, 255); - vertex_data[4].setColor(255, 0, 0, 255); - - glBindBuffer(GL_ARRAY_BUFFER, vbo_id_); - glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, - GL_STATIC_DRAW); - glBindBuffer(GL_ARRAY_BUFFER, 0); -} - -void Sprite::draw() -{ - glBindTexture(GL_TEXTURE_2D, texture_.id); - glBindBuffer(GL_ARRAY_BUFFER, vbo_id_); - - glEnableVertexAttribArray(0); - glEnableVertexAttribArray(1); - glEnableVertexAttribArray(2); - - glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), - (void *)offsetof(Vertex, position)); - glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), - (void *)offsetof(Vertex, color)); - glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), - (void *)offsetof(Vertex, uv)); - glDrawArrays(GL_TRIANGLES, 0, 6); - - glDisableVertexAttribArray(2); - glDisableVertexAttribArray(1); - glDisableVertexAttribArray(0); - - glBindBuffer(GL_ARRAY_BUFFER, 0); -} - -} // namespace yage diff --git a/yage/base/sprite.h b/yage/base/sprite.h deleted file mode 100644 index 725d2160..00000000 --- a/yage/base/sprite.h +++ /dev/null @@ -1,52 +0,0 @@ -/* ---------------------------------------------------------------------------- - * sprite.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -/** @file - */ - -#ifndef SPRITE_H -#define SPRITE_H - -#include "texture.h" - -#include - -#include - -namespace yage -{ - -/** @deprecated Use SpriteBatch instead - */ -class Sprite -{ -private: - float x_; - float y_; - float width_; - float height_; - GLuint vbo_id_ = 0; - Texture texture_; - -public: - Sprite() = default; - Sprite(const Sprite &) = delete; - Sprite(Sprite &&) = delete; - ~Sprite(); - - Sprite &operator=(const Sprite &) = delete; - Sprite &operator=(Sprite &&) = delete; - - void init(float x, float y, float width, float height, - const std::string &texture_path); - void draw(); -}; - -} // namespace yage - -#endif diff --git a/yage/base/spritebatch.cpp b/yage/base/spritebatch.cpp deleted file mode 100644 index aaeec32f..00000000 --- a/yage/base/spritebatch.cpp +++ /dev/null @@ -1,193 +0,0 @@ -/* ---------------------------------------------------------------------------- - * spritebatch.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include - -#include -#include - -namespace yage -{ - -const int SpriteBatch::NUM_VERTICES; - -Glyph::Glyph(GLuint texture, float depth, const Vertex &top_left, - const Vertex &top_right, const Vertex &bottom_right, - const Vertex &bottom_left) - : texture_(texture), depth_(depth), top_left_(top_left), - top_right_(top_right), bottom_right_(bottom_right), - bottom_left_(bottom_left) -{ -} - -RenderBatch::RenderBatch(GLint offset, GLsizei num_vertices, GLuint texture) - : num_vertices_(num_vertices), offset_(offset), texture_(texture) -{ -} - -SpriteBatch::SpriteBatch() = default; - -SpriteBatch::~SpriteBatch() -{ - if (vao_ != 0) { - glDeleteVertexArrays(1, &vao_); - } - - if (vbo_ != 0) { - glDeleteVertexArrays(1, &vbo_); - } -} - -void SpriteBatch::init() -{ - createVertexArray(); -} - -void SpriteBatch::begin() -{ - glyphs_.clear(); - glyph_ptrs_.clear(); - render_batches_.clear(); -} - -void SpriteBatch::end() -{ - sortGlyphs(); - createRenderBatches(); -} - -void SpriteBatch::draw(const yage::Vector4f &destination_rect, - const yage::Vector4f &uv_rect, GLuint texture, - const Color &color, float depth) -{ - Vertex top_left, top_right, bottom_right, bottom_left; - - top_left.color = color; - top_left.setPosition(destination_rect.x, - destination_rect.y + destination_rect.w); - top_left.setUv(uv_rect.x, uv_rect.y + uv_rect.w); - - top_right.color = color; - top_right.setPosition(destination_rect.x + destination_rect.z, - destination_rect.y + destination_rect.w); - top_right.setUv(uv_rect.x + uv_rect.z, uv_rect.y + uv_rect.w); - - bottom_right.color = color; - bottom_right.setPosition(destination_rect.x + destination_rect.z, - destination_rect.y); - bottom_right.setUv(uv_rect.x + uv_rect.z, uv_rect.y); - - bottom_left.color = color; - bottom_left.setPosition(destination_rect.x, destination_rect.y); - bottom_left.setUv(uv_rect.x, uv_rect.y); - - // deal with fragmenting by creating vector of pointers - glyphs_.emplace_back(texture, depth, top_left, top_right, bottom_right, - bottom_left); - glyph_ptrs_.push_back(&glyphs_.back()); -} - -void SpriteBatch::render() -{ - glBindVertexArray(vao_); - for (auto &&batch : render_batches_) { - glBindTexture(GL_TEXTURE_2D, batch.texture()); - glDrawArrays(GL_TRIANGLES, batch.offset(), batch.num_vertices()); - } - glBindVertexArray(0); -} - -void SpriteBatch::createVertexArray() -{ - if (vao_ == 0) { - glGenVertexArrays(1, &vao_); - if (vao_ == 0) { - throw std::runtime_error("glGenVertexArrays failed"); - } - } - // bind vertex array object - glBindVertexArray(vao_); - - if (vbo_ == 0) { - glGenBuffers(1, &vbo_); - if (vbo_ == 0) { - throw std::runtime_error("glGenBuffers failed"); - } - } - // bind vertex buffer object - glBindBuffer(GL_ARRAY_BUFFER, vbo_); - - // enable vertex attribute arrays - glEnableVertexAttribArray(0); - glEnableVertexAttribArray(1); - glEnableVertexAttribArray(2); - - // set the vertex attribute pointers - glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), - (void *)offsetof(Vertex, position)); - glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), - (void *)offsetof(Vertex, color)); - glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), - (void *)offsetof(Vertex, uv)); - glDrawArrays(GL_TRIANGLES, 0, 6); - - // unbind vertex array object - glBindVertexArray(0); -} - -void SpriteBatch::createRenderBatches() -{ - std::vector vertices; - if (glyph_ptrs_.empty()) { - return; - } - - render_batches_.reserve(glyph_ptrs_.size() * NUM_VERTICES); - - for (int i = 0; i < (int)glyph_ptrs_.size(); ++i) { - if (i == 0 || (i > 0 && (glyph_ptrs_[i]->texture() != - glyph_ptrs_[i - 1]->texture()))) { - render_batches_.emplace_back(i * NUM_VERTICES, NUM_VERTICES, - glyph_ptrs_[i]->texture()); - } else { - render_batches_.back().num_vertices_ += NUM_VERTICES; - } - - vertices.push_back(glyph_ptrs_[i]->bottom_left()); - vertices.push_back(glyph_ptrs_[i]->top_left()); - vertices.push_back(glyph_ptrs_[i]->top_right()); - vertices.push_back(glyph_ptrs_[i]->bottom_left()); - vertices.push_back(glyph_ptrs_[i]->bottom_right()); - vertices.push_back(glyph_ptrs_[i]->top_right()); - - // bind vbo - glBindBuffer(GL_ARRAY_BUFFER, vbo_); - // orphan the buffer - glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex), nullptr, - GL_DYNAMIC_DRAW); - // upload the data - glBufferSubData(GL_ARRAY_BUFFER, 0, vertices.size() * sizeof(Vertex), - vertices.data()); - // unbind buffer - glBindBuffer(GL_ARRAY_BUFFER, 0); - } -} - -void SpriteBatch::sortGlyphs() -{ - // sort using introsort or quicksort - std::sort(glyph_ptrs_.begin(), glyph_ptrs_.end(), - [](Glyph *a, Glyph *b) -> bool { - if (a->depth() == b->depth()) { - return a->texture() < b->texture(); - } - return a->depth() < b->depth(); - }); -} - -} // namespace yage diff --git a/yage/base/spritebatch.h b/yage/base/spritebatch.h deleted file mode 100644 index 953055f6..00000000 --- a/yage/base/spritebatch.h +++ /dev/null @@ -1,110 +0,0 @@ -/* ---------------------------------------------------------------------------- - * spritebatch.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -/** @file - */ - -#ifndef YAGE_SPRITE_BATCH_H -#define YAGE_SPRITE_BATCH_H - -#include "vertex.h" - -#include -#include -#include - -#include - -namespace yage -{ - -class SpriteBatch; - -/** Glyph with information of the texture. - */ -class Glyph -{ -private: - GLuint texture_; - float depth_; - Vertex top_left_; - Vertex top_right_; - Vertex bottom_right_; - Vertex bottom_left_; - -public: - Glyph(GLuint texture, float depth, const Vertex &top_left, - const Vertex &top_right, const Vertex &bottom_right, - const Vertex &bottom_left); - - GLuint texture() const { return texture_; } - float depth() const { return depth_; } - Vertex top_left() const { return top_left_; } - Vertex top_right() const { return top_right_; } - Vertex bottom_right() const { return bottom_right_; } - Vertex bottom_left() const { return bottom_left_; } -}; - -class RenderBatch -{ - friend SpriteBatch; - -private: - GLsizei num_vertices_; - GLint offset_; - GLuint texture_; - -public: - RenderBatch(GLint offset, GLsizei num_vertices, GLuint texture); - - GLint offset() const { return offset_; } - GLsizei num_vertices() const { return num_vertices_; } - GLuint texture() const { return texture_; } -}; - -class SpriteBatch -{ -public: - static const int NUM_VERTICES = 6; - -private: - GLuint vbo_ = 0; - GLuint vao_ = 0; - std::vector glyphs_; - std::vector glyph_ptrs_; - std::vector render_batches_; - -public: - SpriteBatch(); - SpriteBatch(const SpriteBatch &) = delete; - SpriteBatch(SpriteBatch &&) = delete; - ~SpriteBatch(); - - SpriteBatch &operator=(const SpriteBatch &) = delete; - SpriteBatch &operator=(SpriteBatch &&) = delete; - - // initialize vaos and vbos - void init(); - void begin(); - void end(); - // adds a sprite to the sprite batch to be rendered later - void draw(const yage::Vector4f &destination_rect, - const yage::Vector4f &uv_rect, GLuint texture, const Color &color, - float depth); - // render the batch - void render(); - -private: - void createVertexArray(); - void createRenderBatches(); - void sortGlyphs(); -}; - -} // namespace yage - -#endif diff --git a/yage/base/spritesheet.cpp b/yage/base/spritesheet.cpp deleted file mode 100644 index 5c3499cc..00000000 --- a/yage/base/spritesheet.cpp +++ /dev/null @@ -1,85 +0,0 @@ -/* ---------------------------------------------------------------------------- - * spritesheet.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave - * MIT License, see LICENSE file for more details. - * ---------------------------------------------------------------------------- - */ - -/** @file - */ - -#include "spritesheet.h" - -#include -#include -#include -#include - -#include -#include - -using namespace std; -using namespace rapidjson; -using namespace yage::details; - -namespace yage -{ - -SpriteSheet::SpriteSheet(string pngFileName, string jsonFileName) -{ - int jsonWidth, jsonHeight; - fileLocations_ = - parseJson(jsonWidth, jsonHeight, fileContent(jsonFileName)); - texture_ = ImageLoader::loadPng(pngFileName); - - if (texture_.width != jsonWidth) - throw runtime_error("JSON width does not match texture width"); - if (texture_.height != jsonHeight) - throw runtime_error("JSON height does not match texture height"); -} - -string SpriteSheet::fileContent(string jsonFileName) const -{ - ifstream inputFile(jsonFileName); - - stringstream stream; - stream << inputFile.rdbuf(); - - return stream.str(); -} - -SpriteMap SpriteSheet::parseJson(int &width, int &height, - string jsonContent) const -{ - SpriteMap spriteMap; - Document jsonAtlas; - jsonAtlas.Parse(jsonContent.c_str()); - - width = jsonAtlas["width"].GetInt(); - height = jsonAtlas["height"].GetInt(); - - for (auto &texture : jsonAtlas["sprites"].GetObject()) { - Coordinate coord; - for (auto &value : texture.value.GetObject()) { - string keyName{value.value.GetString()}; - int keyValue{value.value.GetInt()}; - if (keyName == "x") { - coord.x = keyValue; - } else if (keyName == "y") { - coord.y = keyValue; - } else if (keyName == "width") { - coord.width = keyValue; - } else if (keyName == "height") { - coord.height = keyValue; - } else { - throw runtime_error("JSON key incorrect: " + keyName); - } - } - spriteMap[texture.name.GetString()] = coord; - } - - return spriteMap; -} - -} // namespace yage diff --git a/yage/base/spritesheet.h b/yage/base/spritesheet.h deleted file mode 100644 index 2ead0ba1..00000000 --- a/yage/base/spritesheet.h +++ /dev/null @@ -1,64 +0,0 @@ -/* ---------------------------------------------------------------------------- - * spritesheet.h - * - * Copyright (c) 2017 Yann Herklotz Grave - * MIT License, see LICENSE file for more details. - * ---------------------------------------------------------------------------- - */ - -/** @file - */ - -#ifndef YAGE_SPRITESHEET_H -#define YAGE_SPRITESHEET_H - -#include "texture.h" - -#include - -#include -#include - -namespace yage -{ - -namespace details -{ - -struct Coordinate { - int x; - int y; - int width; - int height; - - Coordinate() = default; - - Coordinate(int x_i, int y_i, int width_i, int height_i) - : x(x_i), y(y_i), width(width_i), height(height_i) - { - } -}; - -typedef std::map SpriteMap; - -} // namespace details - -class SpriteSheet -{ -public: - SpriteSheet(std::string pngFileName, std::string jsonFileName); - - void sprite(std::string spriteName) const; - std::string fileContent(std::string jsonFileName) const; - -private: - Texture texture_; - details::SpriteMap fileLocations_; - - details::SpriteMap parseJson(int &width, int &height, - std::string jsonContent) const; -}; - -} // namespace yage - -#endif diff --git a/yage/base/texture.h b/yage/base/texture.h deleted file mode 100644 index 82b7dde3..00000000 --- a/yage/base/texture.h +++ /dev/null @@ -1,32 +0,0 @@ -/* ---------------------------------------------------------------------------- - * texture.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef GL_TEXTURE_H -#define GL_TEXTURE_H - -#include - -namespace yage -{ - -struct Texture { - GLuint id; - int width; - int height; - - Texture() = default; - - Texture(GLuint id_i, int width_i, int height_i) - : id(id_i), width(width_i), height(height_i) - { - } -}; - -} // namespace yage - -#endif diff --git a/yage/base/texturecache.cpp b/yage/base/texturecache.cpp deleted file mode 100644 index 628f3604..00000000 --- a/yage/base/texturecache.cpp +++ /dev/null @@ -1,28 +0,0 @@ -/* ---------------------------------------------------------------------------- - * texturecache.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include -#include - -namespace yage -{ - -Texture TextureCache::getTexture(const std::string &texture_path) -{ - auto itr = texture_map_.find(texture_path); - - if (itr == texture_map_.end()) { - Texture new_texture = ImageLoader::loadPng(texture_path); - texture_map_.insert(make_pair(texture_path, new_texture)); - return new_texture; - } - - return itr->second; -} - -} // namespace yage diff --git a/yage/base/texturecache.h b/yage/base/texturecache.h deleted file mode 100644 index b28349ec..00000000 --- a/yage/base/texturecache.h +++ /dev/null @@ -1,33 +0,0 @@ -/* ---------------------------------------------------------------------------- - * texturecache.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef TEXTURE_CACHE_H -#define TEXTURE_CACHE_H - -#include "texture.h" - -#include - -namespace yage -{ - -class TextureCache -{ -private: - std::unordered_map texture_map_; - -public: - TextureCache() = default; - - Texture getTexture(const std::string &texture_path); - Texture getTextureFromSpriteSheet(); -}; - -} // namespace yage - -#endif diff --git a/yage/base/vertex.h b/yage/base/vertex.h deleted file mode 100644 index 586e8190..00000000 --- a/yage/base/vertex.h +++ /dev/null @@ -1,84 +0,0 @@ -/* ---------------------------------------------------------------------------- - * vertex.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#ifndef VERTEX_H -#define VERTEX_H - -#include - -namespace yage -{ - -struct Position { - float x; - float y; - - Position() = default; - - Position(float x_, float y_) : x(x_), y(y_) {} -}; - -struct Color { - GLubyte r; - GLubyte g; - GLubyte b; - GLubyte a; - - Color() = default; - - Color(GLubyte r_, GLubyte g_, GLubyte b_, GLubyte a_) - : r(r_), g(g_), b(b_), a(a_) - { - } -}; - -struct UV { - float u; - float v; - - UV() = default; - - UV(float u_, float v_) : u(u_), v(v_) {} -}; - -struct Vertex { - Position position; - Color color; - UV uv; - - Vertex() = default; - - Vertex(const Position &position_, const Color &color_, const UV &uv_) - : position(position_), color(color_), uv(uv_) - { - } - - void setPosition(float x, float y) - { - position.x = x; - position.y = y; - } - - void setColor(GLubyte r, GLubyte g, GLubyte b, GLubyte a) - { - color.r = r; - color.g = g; - color.b = b; - color.a = a; - } - - void setUv(float u, float v) - { - uv.u = u; - uv.v = v; - } -}; - -} // namespace yage - -#endif diff --git a/yage/base/window.cpp b/yage/base/window.cpp deleted file mode 100644 index 5ac2d8dc..00000000 --- a/yage/base/window.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* ---------------------------------------------------------------------------- - * window.cpp - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -#include "window.h" - -#include - -namespace yage -{ - -Window::Window() = default; - -Window::~Window() -{ - glfwDestroyWindow(window_); - glfwTerminate(); -} - -void Window::create(std::string window_name, int width, int height) -{ - if(glfwInit() == GLFW_FALSE) { - throw std::runtime_error("GLFW Initialisation failed"); - } - - glfwWindowHint(GLFW_VERSION_MAJOR, 4); - glfwWindowHint(GLFW_VERSION_MINOR, 5); - - window_ = - glfwCreateWindow(width, height, window_name.c_str(), nullptr, nullptr); - if (window_ == nullptr) { - throw std::runtime_error("GLFW Window creation failed"); - } - - // initialize the gl context - glfwMakeContextCurrent(window_); - - // initialize glad - gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); - - // set vsync on - glfwSwapInterval(1); - - // set the clear color to black - glClearColor(0.f, 0.5f, 0.f, 1.f); - // set alpha blending - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - // set the clear depth - glClearDepth(1.f); -} - -void Window::swapBuffer() -{ - // swap the window buffer - glfwSwapBuffers(window_); -} - -void Window::clearBuffer() -{ - // clears buffer with clear color - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); -} - -void Window::hide() -{ - glfwHideWindow(window_); -} - -void Window::show() -{ - glfwShowWindow(window_); -} - -bool Window::shouldClose() -{ - return glfwWindowShouldClose(window_); -} - -void Window::pollEvents() const -{ - glfwPollEvents(); -} - -} // namespace yage diff --git a/yage/base/window.h b/yage/base/window.h deleted file mode 100644 index 84ba8303..00000000 --- a/yage/base/window.h +++ /dev/null @@ -1,65 +0,0 @@ -/* ---------------------------------------------------------------------------- - * window.h - * - * Copyright (c) 2017 Yann Herklotz Grave -- MIT License - * See file LICENSE for more details - * ---------------------------------------------------------------------------- - */ - -/** @file - */ - -#ifndef WINDOW_H -#define WINDOW_H - -#include - -#include - -#include - -namespace yage -{ - -// window flags that can change it's appearance -enum WindowFlags : unsigned { - SHOWN = 0x1, - HIDDEN = 0x2, - FULLSCREEN = 0x4, - BORDERLESS = 0x8, -}; - -// window wrapper around GLFWwindow pointer -class Window -{ -private: - /// window handle - GLFWwindow *window_ = nullptr; - -public: - Window(); - Window(const Window &) = delete; - Window(Window &&) = delete; - /// destroys the window handle - ~Window(); - - Window &operator=(const Window &) = delete; - Window &operator=(Window &&) = delete; - - /// create the window, initialize the handle and update the width and height - void create(std::string window_name, int width, int height); - /// swap the buffer - void swapBuffer(); - /// clear buffer - void clearBuffer(); - /// hide windowProc - void hide(); - /// show window - void show(); - bool shouldClose(); - void pollEvents() const; -}; - -} // namespace yage - -#endif -- cgit