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https://github.com/bsnes-emu/bsnes.git
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47dffcae85
byuu says: Most notably, this release adds Nintendo DS emulation. The Nintendo DS module was written entirely by Cydrak, so please give him all of the credit for it. I for one am extremely grateful to be allowed to use his module in bsnes. The Nintendo DS emulator's standalone name is dasShiny. You will need the Nintendo DS firmware, which I cannot provide, in order to use it. It also cannot (currently?) detect the save type used by NDS games. As such, manifest.xml files must be created manually for this purpose. The long-term plan is to create a database of save types for each game. Also, you will need an analog input device for the touch screen for now (joypad axes work well.) There have also been a lot of changes from my end: a unified manifest.xml format across all systems, major improvements to SPC7110 emulation, enhancements to RTC emulation, MSU1 enhancements, icons in the file browser list, improvements to SNES coprocessor memory mapping, cleanups and improvements in the libraries used to build bsnes, etc. I've also included kaijuu (which allows launching game folders directly with bsnes) and purify (which allows opening images that are compressed, have copier headers, and have wrong extensions); both of which are fully GUI-based. This release only loads game folders, not files. Use purify to load ROM files in bsnes. Note that this will likely be the last release for a long time, and that I will probably rename the emulator for the next release, due to how many additional systems it now supports.
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
#ifndef NALL_BMP_HPP
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#define NALL_BMP_HPP
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#include <nall/file.hpp>
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//BMP reader / writer
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//author: byuu
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//note: only 24-bit RGB and 32-bit ARGB uncompressed images supported
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namespace nall {
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struct bmp {
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inline static bool read(const string &filename, uint32_t *&data, unsigned &width, unsigned &height);
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inline static bool write(const string &filename, const uint32_t *data, unsigned width, unsigned height, unsigned pitch, bool alpha = false);
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};
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bool bmp::read(const string &filename, uint32_t *&data, unsigned &width, unsigned &height) {
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file fp;
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if(fp.open(filename, file::mode::read) == false) return false;
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if(fp.size() < 0x36) return false;
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if(fp.readm(2) != 0x424d) return false;
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fp.seek(0x000a);
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unsigned offset = fp.readl(4);
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unsigned dibsize = fp.readl(4);
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if(dibsize != 40) return false;
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signed headerWidth = fp.readl(4);
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if(headerWidth < 0) return false;
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signed headerHeight = fp.readl(4);
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fp.readl(2);
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unsigned bitsPerPixel = fp.readl(2);
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if(bitsPerPixel != 24 && bitsPerPixel != 32) return false;
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unsigned compression = fp.readl(4);
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if(compression != 0) return false;
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fp.seek(offset);
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bool noFlip = headerHeight < 0;
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width = headerWidth, height = abs(headerHeight);
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data = new uint32_t[width * height];
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unsigned bytesPerPixel = bitsPerPixel / 8;
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unsigned alignedWidth = width * bytesPerPixel;
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unsigned paddingLength = 0;
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while(alignedWidth % 4) alignedWidth++, paddingLength++;
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for(unsigned y = 0; y < height; y++) {
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uint32_t *p = noFlip ? data + y * width : data + (height - 1 - y) * width;
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for(unsigned x = 0; x < width; x++, p++) {
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*p = fp.readl(bytesPerPixel);
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if(bytesPerPixel == 3) *p |= 255 << 24;
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}
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if(paddingLength) fp.readl(paddingLength);
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}
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fp.close();
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return true;
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}
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bool bmp::write(const string &filename, const uint32_t *data, unsigned width, unsigned height, unsigned pitch, bool alpha) {
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file fp;
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if(fp.open(filename, file::mode::write) == false) return false;
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unsigned bitsPerPixel = alpha ? 32 : 24;
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unsigned bytesPerPixel = bitsPerPixel / 8;
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unsigned alignedWidth = width * bytesPerPixel;
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unsigned paddingLength = 0;
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unsigned imageSize = alignedWidth * height;
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unsigned fileSize = 0x36 + imageSize;
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while(alignedWidth % 4) alignedWidth++, paddingLength++;
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fp.writem(0x424d, 2); //signature
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fp.writel(fileSize, 4); //file size
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fp.writel(0, 2); //reserved
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fp.writel(0, 2); //reserved
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fp.writel(0x36, 4); //offset
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fp.writel(40, 4); //DIB size
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fp.writel(width, 4); //width
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fp.writel(-height, 4); //height
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fp.writel(1, 2); //color planes
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fp.writel(bitsPerPixel, 2); //bits per pixel
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fp.writel(0, 4); //compression method (BI_RGB)
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fp.writel(imageSize, 4); //image data size
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fp.writel(3780, 4); //horizontal resolution
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fp.writel(3780, 4); //vertical resolution
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fp.writel(0, 4); //palette size
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fp.writel(0, 4); //important color count
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for(unsigned y = 0; y < height; y++) {
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const uint32_t *p = (const uint32_t*)((const uint8_t*)data + y * pitch);
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for(unsigned x = 0; x < width; x++) fp.writel(*p++, bytesPerPixel);
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if(paddingLength) fp.writel(0, paddingLength);
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}
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fp.close();
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return true;
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}
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}
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#endif
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