da97b80236
Batch #18237 by ragnarok-clanker: forced by an admin (1 lower score(s), 14 changed function(s)); checked with 437 compiled unit(s), including every includer of Source/Resource/Bitmap/BitmapImage.h, Source/Resource/Bitmap/BitmapResource.h, Source/UI/Window/UIWindow.h.
389 lines
11 KiB
C++
389 lines
11 KiB
C++
#include "Resource/Bitmap/BitmapResource.h"
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#include <bit>
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#include <cstdlib>
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#include <cstring>
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#include <windows.h>
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namespace {
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// INLINED
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std::uint16_t Read16(const unsigned char* data) {
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std::uint16_t value;
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std::memcpy(&value, data, sizeof(value));
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return value;
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}
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// INLINED
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std::uint32_t Read32(const unsigned char* data) {
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std::uint32_t value;
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std::memcpy(&value, data, sizeof(value));
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return value;
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}
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// INLINED
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int Signed(std::uint32_t value) {
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return std::bit_cast<std::int32_t>(value);
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}
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// INLINED
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std::uint32_t Color(unsigned alpha, unsigned red, unsigned green, unsigned blue) {
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return (((((alpha << 8) + red) << 8) + green) << 8) + blue;
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}
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// INLINED
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template <typename Count>
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__forceinline const unsigned char* ReadPalette(RGBQUAD* palette, unsigned char* first, unsigned char* second, const unsigned char* source, Count count) {
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std::memcpy(first, source, count * 2);
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source += count * 2;
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std::memcpy(second, source, count * 2);
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source += count * 2;
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int offset = 0;
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for (Count i = 0; i < count; ++i) {
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palette[i].rgbGreen = first[offset];
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palette[i].rgbReserved = second[offset];
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palette[i].rgbBlue = first[offset + 1];
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palette[i].rgbRed = second[offset + 1];
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offset += 2;
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}
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return source;
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}
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// INLINED
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__forceinline void DecodeIndexedRows(const BitmapImage& image, unsigned char* rgb, const unsigned char* source, const RGBQUAD* palette, unsigned char* row) {
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for (int y = image.height - 1; y >= 0; --y) {
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const std::uint32_t stride = (image.width + 3) & ~3u;
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std::memcpy(row, source, stride);
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source += stride;
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unsigned char* pixel = rgb + image.width * y * 3;
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for (int x = 0; x < image.width; ++x) {
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const unsigned char index = row[x];
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pixel[0] = palette[index].rgbBlue;
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pixel[1] = palette[index].rgbGreen;
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pixel[2] = palette[index].rgbRed;
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pixel += 3;
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}
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}
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}
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}
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// OFFSET: 0x0074A680
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// FUNCTION: fn_07866
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bool CBitmapRes::CreateAuxiliary(int mode) {
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if (!this->image.pixels || this->image.auxiliary) {
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return false;
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}
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this->image.auxiliary = new std::uint32_t[this->image.width * this->image.height];
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std::memset(this->image.auxiliary, 255, 4u * this->image.width * this->image.height);
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for (int y = 0; y < this->image.height; ++y) {
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for (int x = 0; x < this->image.width; ++x) {
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const int index = this->image.width * y + x;
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const std::uint32_t value = this->image.pixels[index];
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unsigned red = (value >> 16) & 255;
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unsigned green = (value >> 8) & 255;
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const unsigned alpha = value >> 24;
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unsigned blue = value & 255;
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if (red != 255 || blue != 255 || green != 0) {
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int intensity = (red + green + blue) / 3;
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const int minimum = mode != 1 ? 100 : 120;
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if (intensity < minimum) {
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intensity = minimum;
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}
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red = intensity;
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green = intensity;
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blue = intensity;
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if (mode == 2) {
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red = 200;
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} else if (mode == 3) {
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green = 200;
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} else if (mode == 4) {
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blue = 200;
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}
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}
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static_cast<std::uint32_t*>(this->image.auxiliary)[index] = Color(alpha, red, green, blue);
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}
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}
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return true;
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}
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// OFFSET: 0x0074A7F0
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// FUNCTION: fn_07867
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std::uint32_t CBitmapRes::Pixel(int x, int y) const {
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if (x < 0 || x >= this->image.width || y < 0 || y >= this->image.height) {
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return 0x00FF0000;
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}
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return this->image.pixels[x + y * this->image.width];
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}
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// OFFSET: 0x0074C540
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// FUNCTION: fn_07874
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void CBitmapRes::ClearAuxiliary() {
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if (this->image.auxiliary) {
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delete[] static_cast<std::uint32_t*>(this->image.auxiliary);
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this->image.auxiliary = nullptr;
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}
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}
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// OFFSET: 0x0074AB00
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// FUNCTION: fn_07869
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bool CBitmapRes::DecodeBitmap(const void* input, int, bool iconOnly) {
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this->Unload();
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const auto* data = static_cast<const unsigned char*>(input);
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BITMAPFILEHEADER fileHeader;
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std::memcpy(&fileHeader, data, sizeof(fileHeader));
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char prefix[13];
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std::memcpy(prefix, data, 12);
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prefix[12] = 0;
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RGBQUAD palette[256];
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unsigned char row[4096];
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unsigned char* rgb;
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if (std::strcmp(prefix, "총알이빨토니") == 0) {
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const unsigned char* source = data + 12;
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const std::uint32_t dimensions = (Read32(source) >> 1) - 0x01929300u;
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source += 4;
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const int height = static_cast<int>(dimensions & 0xFFFFu) - 1;
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const unsigned char format = *source++;
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const int width = dimensions >> 16;
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WORD bits;
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switch (format) {
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case 0:
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bits = 24;
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break;
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case 1:
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bits = 8;
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break;
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default:
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OutputDebugStringA("Only 16M or 8bit color format supported");
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return false;
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}
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if (iconOnly && (width != 24 || height != 24)) {
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return false;
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}
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this->image.height = height;
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this->image.width = width;
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rgb = new unsigned char[height * width * 3];
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this->image.pixels = new std::uint32_t[this->image.width * this->image.height];
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if (bits == 8) {
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const std::uint32_t count = Read32(source);
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source += 4;
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unsigned char first[512];
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unsigned char second[512];
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if (count != 0) {
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source = ReadPalette(palette, first, second, source, count);
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} else {
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source = ReadPalette(palette, first, second, source, 256);
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}
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DecodeIndexedRows(this->image, rgb, source, palette, row);
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} else if (bits == 24) {
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auto* first = new unsigned char[this->image.width * this->image.height * 3];
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auto* second = new unsigned char[this->image.width * this->image.height * 2];
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unsigned char* target = first;
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for (int y = this->image.height - 1; y >= 0; --y) {
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std::memcpy(target, source, this->image.width * 2);
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target += this->image.width * 2;
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source += this->image.width * 2;
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}
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target = second;
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for (int y = this->image.height - 1; y >= 0; --y) {
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std::memcpy(target, source, this->image.width);
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target += this->image.width;
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source += this->image.width;
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}
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unsigned char* pixel = rgb;
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int index = 0;
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for (int y = 0; y < this->image.height; ++y) {
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for (int x = 0; x < this->image.width; ++x) {
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pixel[0] = *(second + this->image.width * y + x);
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pixel[1] = first[index];
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pixel[2] = first[index + 1];
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index += 2;
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pixel += 3;
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}
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}
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delete[] first;
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delete[] second;
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}
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} else {
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if (fileHeader.bfType != 0x4D42) {
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return false;
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}
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BITMAPINFOHEADER infoHeader;
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const unsigned char* colors = data + sizeof(BITMAPFILEHEADER);
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std::memcpy(&infoHeader, colors, sizeof(infoHeader));
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colors += sizeof(infoHeader);
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if (infoHeader.biBitCount != 24 && infoHeader.biBitCount != 8) {
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OutputDebugStringA("Only 16M or 8bit color format supported");
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return false;
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}
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if (iconOnly && (infoHeader.biWidth != 24 || infoHeader.biHeight != 24)) {
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return false;
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}
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this->image.height = infoHeader.biHeight;
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const std::uint32_t stride = (infoHeader.biWidth + 3) & ~3u;
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this->image.width = infoHeader.biWidth;
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rgb = new unsigned char[infoHeader.biHeight * infoHeader.biWidth * 3];
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this->image.pixels = new std::uint32_t[this->image.width * this->image.height];
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if (infoHeader.biBitCount == 8) {
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std::uint32_t paletteSize;
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if (infoHeader.biClrUsed != 0) {
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paletteSize = infoHeader.biClrUsed * sizeof(RGBQUAD);
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std::memcpy(palette, colors, paletteSize);
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} else {
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std::memcpy(palette, colors, sizeof(palette));
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paletteSize = sizeof(palette);
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}
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if (fileHeader.bfOffBits > static_cast<std::uint32_t>(colors - data) + paletteSize) {
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return false;
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}
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DecodeIndexedRows(this->image, rgb, data + fileHeader.bfOffBits, palette, row);
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} else if (infoHeader.biBitCount == 24) {
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if (fileHeader.bfOffBits > sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER)) {
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return false;
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}
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const unsigned char* source = data + fileHeader.bfOffBits;
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for (int y = this->image.height - 1; y >= 0; --y) {
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std::memcpy(rgb + this->image.width * y * 3, source, this->image.width * 3);
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source += this->image.width * 3;
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if (stride - this->image.width != 0) {
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source += this->image.width - stride + 4;
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}
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}
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}
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}
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for (int y = 0; y < this->image.height; ++y) {
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const unsigned char* source = rgb + this->image.width * y * 3;
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if (source) {
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std::uint32_t* target = this->image.pixels + this->image.width * y;
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if (target) {
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*target++ = Color(255, source[2], source[1], source[0]);
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for (int x = 1; x < this->image.width; ++x) {
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source += 3;
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*target++ = Color(255, source[2], source[1], source[0]);
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}
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}
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}
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}
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if (rgb) {
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delete[] rgb;
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}
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this->image.alpha = 0;
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return true;
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}
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#pragma pack(push, 1)
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struct TgaHeader {
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/* 0000 */ std::uint8_t idLength;
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/* 0001 */ std::uint8_t colorMapType;
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/* 0002 */ std::uint8_t imageType;
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/* 0003 */ std::uint16_t colorMapStart;
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/* 0005 */ std::uint16_t colorMapLength;
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/* 0007 */ std::uint8_t colorMapDepth;
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/* 0008 */ std::uint16_t xOrigin;
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/* 000A */ std::uint16_t yOrigin;
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/* 000C */ std::uint16_t width;
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/* 000E */ std::uint16_t height;
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/* 0010 */ std::uint8_t bitsPerPixel;
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/* 0011 */ std::uint8_t descriptor;
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};
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#pragma pack(pop)
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struct TgaPixel {
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/* 0000 */ std::uint8_t blue;
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/* 0001 */ std::uint8_t green;
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/* 0002 */ std::uint8_t red;
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/* 0003 */ std::uint8_t alpha;
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};
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// OFFSET: 0x0074C300
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// FUNCTION: fn_07873
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bool CBitmapRes::DecodeTga(const void* input, int) {
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const auto* source = static_cast<const unsigned char*>(input);
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const TgaHeader header = *static_cast<const TgaHeader*>(input);
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source += sizeof(header);
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if (header.colorMapType != 0 || (header.imageType != 10 && header.imageType != 2)) {
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return false;
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}
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if (header.idLength) {
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source += header.idLength;
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}
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this->image.width = header.width;
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this->image.height = header.height;
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this->image.pixels = new std::uint32_t[this->image.width * this->image.height];
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std::uint32_t* row = this->image.pixels + (this->image.height - 1) * this->image.width;
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TgaPixel pixel = {};
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pixel.alpha = 255;
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// INLINED
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auto read = [&source, &pixel](std::uint8_t bitsPerPixel) {
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pixel.blue = *source++;
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pixel.green = *source++;
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pixel.red = *source++;
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if (bitsPerPixel == 32) {
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pixel.alpha = *source++;
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}
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return Color(pixel.alpha, pixel.red, pixel.green, pixel.blue);
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};
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for (int y = 0; y < this->image.height; ++y) {
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int x = 0;
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while (x < this->image.width) {
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if (header.imageType == 10) {
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const unsigned char packet = *source++;
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std::uint16_t count = (packet & 127) + 1;
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if (packet & 128) {
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const std::uint32_t value = read(header.bitsPerPixel);
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while (count--) {
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row[x++] = value;
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}
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} else {
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while (count--) {
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row[x++] = read(header.bitsPerPixel);
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}
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}
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} else {
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row[x++] = read(header.bitsPerPixel);
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}
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}
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row -= this->image.width;
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}
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this->image.alpha = 1;
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return true;
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}
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