mirror of
https://github.com/4jcraft/4jcraft.git
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282 lines
9.2 KiB
C++
282 lines
9.2 KiB
C++
#include "minecraft/client/BufferedImage.h"
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#include <string.h>
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#include <cstdint>
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#include <string>
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#include <vector>
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#include "platform/renderer/renderer.h"
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#include "app/common/DLC/DLCFile.h"
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#include "app/common/DLC/DLCManager.h"
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#include "app/common/DLC/DLCPack.h"
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#include "minecraft/IGameServices.h"
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#include "app/linux/Stubs/winapi_stubs.h"
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#include "PlatformTypes.h"
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#include "util/StringHelpers.h"
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#include "platform/fs/fs.h"
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BufferedImage::BufferedImage(int width, int height, int type) {
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data[0] = new int[width * height];
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for (int i = 1; i < 10; i++) {
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data[i] = nullptr;
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}
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this->width = width;
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this->height = height;
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}
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void BufferedImage::ByteFlip4(unsigned int& data) {
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data = (data >> 24) | ((data >> 8) & 0x0000ff00) |
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((data << 8) & 0x00ff0000) | (data << 24);
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}
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// Loads a bitmap into a buffered image - only currently supports the 2 types of
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// 32-bit image that we've made so far and determines which of these is which by
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// the compression method. Compression method 3 is a 32-bit image with only
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// 24-bits used (ie no alpha channel) whereas method 0 is a full 32-bit image
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// with a valid alpha channel.
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// 4jcraft: mostly rewrote this function
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BufferedImage::BufferedImage(const std::string& File,
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bool filenameHasExtension,
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bool bTitleUpdateTexture,
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const std::string& drive) {
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int32_t hr = -1;
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std::string filePath = File;
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for (size_t i = 0; i < filePath.length(); ++i) {
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if (filePath[i] == '\\') filePath[i] = '/';
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}
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for (int l = 0; l < 10; l++) data[l] = nullptr;
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std::string baseName = filePath;
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if (!filenameHasExtension) {
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if (baseName.size() > 4 &&
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baseName.substr(baseName.size() - 4) == ".png") {
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baseName = baseName.substr(0, baseName.size() - 4);
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}
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}
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while (!baseName.empty() && (baseName[0] == '/' || baseName[0] == '\\'))
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baseName = baseName.substr(1);
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if (baseName.find("res/") == 0) baseName = baseName.substr(4);
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std::string exeDir = PlatformFilesystem.getBasePath().string();
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for (int l = 0; l < 10; l++) {
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std::string mipSuffix =
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(l != 0) ? "MipMapLevel" + toWString<int>(l + 1) : "";
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std::string fileName = baseName + mipSuffix + ".png";
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std::string finalPath;
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bool foundOnDisk = false;
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std::vector<std::string> searchPaths = {
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exeDir + "/Common/res/TitleUpdate/res/" + fileName,
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exeDir + "/Common/res/" + fileName,
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exeDir + "/Common/Media/Graphics/" + fileName,
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exeDir + "/Common/Media/font/" + fileName,
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exeDir + "/Common/res/font/" + fileName,
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exeDir + "/Common/Media/" + fileName};
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for (auto& attempt : searchPaths) {
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size_t p;
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while ((p = attempt.find("//")) != std::string::npos)
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attempt.replace(p, 2, "/");
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if (PlatformFilesystem.exists(attempt)) {
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finalPath = attempt;
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foundOnDisk = true;
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break;
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}
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}
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D3DXIMAGE_INFO ImageInfo;
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memset(&ImageInfo, 0, sizeof(D3DXIMAGE_INFO));
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if (foundOnDisk) {
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std::string nativePath = std::filesystem::path(finalPath).string();
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hr = PlatformRenderer.LoadTextureData(nativePath.c_str(),
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&ImageInfo, &data[l]);
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} else {
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std::string archiveKey = "res/" + fileName;
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if (gameServices().hasArchiveFile(archiveKey)) {
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std::vector<uint8_t> ba = gameServices().getArchiveFile(archiveKey);
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hr = PlatformRenderer.LoadTextureData(ba.data(), ba.size(),
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&ImageInfo, &data[l]);
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}
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}
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if (hr == ERROR_SUCCESS) {
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if (l == 0) {
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width = ImageInfo.Width;
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height = ImageInfo.Height;
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}
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} else {
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if (l == 0) {
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// safety dummy to prevent crash
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width = 1;
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height = 1;
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data[0] = new int[1];
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data[0][0] = 0xFFFF00FF;
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}
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break;
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}
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}
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}
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BufferedImage::BufferedImage(DLCPack* dlcPack, const std::string& File,
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bool filenameHasExtension) {
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int32_t hr;
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std::string filePath = File;
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std::uint8_t* pbData = nullptr;
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std::uint32_t dataBytes = 0;
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for (int l = 0; l < 10; l++) data[l] = nullptr;
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for (int l = 0; l < 10; l++) {
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std::string name;
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std::string mipMapPath =
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(l != 0) ? "MipMapLevel" + toWString<int>(l + 1) : "";
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name = "res" + (filenameHasExtension
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? filePath
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: filePath.substr(0, filePath.length() - 4) +
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mipMapPath + ".png");
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if (!dlcPack->doesPackContainFile(DLCManager::e_DLCType_All, name)) {
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if (l == 0) gameServices().fatalLoadError();
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return;
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}
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DLCFile* dlcFile = dlcPack->getFile(DLCManager::e_DLCType_All, name);
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pbData = dlcFile->getData(dataBytes);
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if (pbData == nullptr || dataBytes == 0) {
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if (l == 0) gameServices().fatalLoadError();
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return;
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}
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D3DXIMAGE_INFO ImageInfo;
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hr = PlatformRenderer.LoadTextureData(pbData, dataBytes, &ImageInfo,
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&data[l]);
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if (hr == ERROR_SUCCESS && l == 0) {
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width = ImageInfo.Width;
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height = ImageInfo.Height;
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}
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}
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}
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BufferedImage::BufferedImage(std::uint8_t* pbData, std::uint32_t dataBytes) {
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for (int l = 0; l < 10; l++) {
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data[l] = nullptr;
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}
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D3DXIMAGE_INFO ImageInfo;
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memset(&ImageInfo, 0, sizeof(D3DXIMAGE_INFO));
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int32_t hr =
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PlatformRenderer.LoadTextureData(pbData, dataBytes, &ImageInfo, &data[0]);
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if (hr == ERROR_SUCCESS) {
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width = ImageInfo.Width;
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height = ImageInfo.Height;
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} else {
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gameServices().fatalLoadError();
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}
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}
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BufferedImage::~BufferedImage() {
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for (int i = 0; i < 10; i++) {
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delete[] data[i];
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}
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}
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int BufferedImage::getWidth() { return width; }
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int BufferedImage::getHeight() { return height; }
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void BufferedImage::getRGB(int startX, int startY, int w, int h,
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std::vector<int>& out, int offset, int scansize,
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int level) {
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int ww = width >> level;
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for (int y = 0; y < h; y++) {
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for (int x = 0; x < w; x++) {
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out[y * scansize + offset + x] =
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data[level][startX + x + ww * (startY + y)];
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}
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}
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}
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int* BufferedImage::getData() { return data[0]; }
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int* BufferedImage::getData(int level) { return data[level]; }
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Graphics* BufferedImage::getGraphics() { return nullptr; }
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// Returns the transparency. Returns either OPAQUE, BITMASK, or TRANSLUCENT.
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// Specified by:
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// getTransparency in interface Transparency
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// Returns:
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// the transparency of this BufferedImage.
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int BufferedImage::getTransparency() {
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// TODO - 4J Implement?
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return 0;
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}
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// Returns a subimage defined by a specified rectangular region. The returned
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// BufferedImage shares the same data array as the original image. Parameters:
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// x, y - the coordinates of the upper-left corner of the specified rectangular
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// region w - the width of the specified rectangular region h - the height of
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// the specified rectangular region Returns: a BufferedImage that is the
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// subimage of this BufferedImage.
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BufferedImage* BufferedImage::getSubimage(int x, int y, int w, int h) {
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// TODO - 4J Implement
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BufferedImage* img = new BufferedImage(w, h, 0);
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// 4jcraft: Copy pixel data directly into img->data[0].
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// The old arrayWithLength.h (custom vector impl) was a non-owning wrapper,
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// std::vector copies so we write to the raw array directly instead.
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int srcW = width;
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for (int row = 0; row < h; row++) {
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for (int col = 0; col < w; col++) {
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img->data[0][row * w + col] = data[0][(y + row) * srcW + (x + col)];
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}
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}
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int level = 1;
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while (level < 10 && getData(level) != nullptr) {
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int ww = w >> level;
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int hh = h >> level;
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int xx = x >> level;
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int yy = y >> level;
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int srcW = width >> level;
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img->data[level] = new int[ww * hh];
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for (int row = 0; row < hh; row++) {
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for (int col = 0; col < ww; col++) {
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img->data[level][row * ww + col] =
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data[level][(yy + row) * srcW + (xx + col)];
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}
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}
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++level;
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}
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return img;
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}
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void BufferedImage::preMultiplyAlpha() {
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int* curData = data[0];
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int cur = 0;
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int alpha = 0;
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int r = 0;
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int g = 0;
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int b = 0;
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int total = width * height;
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// why was it unsigned??
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for (int i = 0; i < total; ++i) {
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cur = curData[i];
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alpha = (cur >> 24) & 0xff;
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r = ((cur >> 16) & 0xff) * (float)alpha / 255;
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g = ((cur >> 8) & 0xff) * (float)alpha / 255;
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b = (cur & 0xff) * (float)alpha / 255;
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curData[i] = (r << 16) | (g << 8) | (b) | (alpha << 24);
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}
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}
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