74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
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#include <iostream>
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#include <string>
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#include <windows.h>
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#include "common.h"
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#include "Font.h"
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#include "LinearAllocator.h"
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#include "Win32Console.h"
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constexpr size_t kHeapSize = 1024*1024*64;
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constexpr uint32_t kWidth = 96;
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constexpr uint32_t kHeight = 28;
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int main() {
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auto memory = std::make_unique<uint8_t[]>(kHeapSize);
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gj::LinearAllocator alloc(memory.get(), kHeapSize);
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gj::Win32Console console(&alloc, kWidth, kHeight);
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console.Show();
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gj::Font font(&alloc, "./font/shippori.ttf");
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gj::Colorbuffer glyph = font.RenderGlyph(L'繍', 50);
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size_t t = 0;
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while (true) {
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{
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const std::u16string s = u"世界は猫によって支配されている";
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gj::Textbuffer& tb = console.TakeTextbuffer();
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tb.Clear();
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char16_t* ptr = tb.ptr() + kWidth*(kHeight/2)+(t%(kWidth-s.length()*2));
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for (size_t i = 0; i < s.length(); ++i) {
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ptr[i*2] = s[i];
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}
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console.SwapTextbuffer();
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}
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{
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gj::Colorbuffer& cb = console.TakeColorbuffer();
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float* ptr = cb.ptr();
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constexpr uintmax_t max = kHeight + kWidth;
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for (uint32_t y = 0; y < kHeight; ++y) {
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for (uint32_t x = 0; x < kWidth; ++x) {
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*ptr = static_cast<float>((static_cast<uintmax_t>(y)+x+t)%(max*2)*1./max);
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if (*ptr > 1) *ptr = 2-*ptr;
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++ptr;
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}
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}
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ptr = cb.ptr();
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const uint32_t w = glyph.width();
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const uint32_t h = glyph.height();
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const float* src = glyph.ptr();
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for (uint32_t y = 0; y < h; ++y) {
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if (y >= kHeight) break;
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for (uint32_t x = 0; x < w; ++x) {
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if (x*2+1 >= kWidth) break;
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ptr[y*kWidth+x*2] += src[y*w+x]*.3;
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ptr[y*kWidth+x*2+1] += src[y*w+x]*.3;
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}
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}
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console.SwapColorbuffer();
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}
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Sleep(60);
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++t;
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}
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}
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