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https://github.com/ALLFATHER-BV/wadamesh.git
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Kaj SchittecatandClaude Opus 5.5
91fc03fdc0
board.cpp owns the board globals and src/main.cpp's setup()/loop() order; host_main.cpp keeps only the SDL window, event pump and scripted tour, so the browser front end reuses the boot unchanged. WebDisplay tracks the changed rectangle for the canvas upload. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
37 lines
1.4 KiB
C++
37 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "WebDisplay.h"
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#include <stdlib.h>
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#include <string.h>
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WebDisplay::WebDisplay() : DisplayDriver(WADA_WEB_W, WADA_WEB_H) {
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_fb = (uint16_t*)calloc((size_t)WADA_WEB_W * WADA_WEB_H, sizeof(uint16_t));
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}
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void WebDisplay::clear() {
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memset(_fb, 0, (size_t)WADA_WEB_W * WADA_WEB_H * sizeof(uint16_t));
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addBox(0, 0, WADA_WEB_W, WADA_WEB_H);
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}
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void WebDisplay::fillRect(int x, int y, int w, int h) {
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for (int r = y; r < y + h; ++r) {
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if (r < 0 || r >= WADA_WEB_H) continue;
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for (int c = x; c < x + w; ++c) if (c >= 0 && c < WADA_WEB_W) _fb[(size_t)r * WADA_WEB_W + c] = _color;
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}
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addBox(x, y, x + w, y + h);
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}
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void WebDisplay::drawRect(int x, int y, int w, int h) {
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fillRect(x, y, w, 1); fillRect(x, y + h - 1, w, 1);
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fillRect(x, y, 1, h); fillRect(x + w - 1, y, 1, h);
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}
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uint16_t WebDisplay::getTextWidth(const char* str) { return str ? (uint16_t)(strlen(str) * 6) : 0; }
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void WebDisplay::writePixelsRGB565(int x, int y, int w, int h, const uint16_t* px) {
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if (!px || w <= 0 || h <= 0) return;
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for (int r = 0; r < h; ++r) {
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const int dy = y + r;
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if (dy < 0 || dy >= WADA_WEB_H) continue;
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int x0 = x, cw = w, sx = 0;
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if (x0 < 0) { sx = -x0; cw += x0; x0 = 0; }
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if (x0 + cw > WADA_WEB_W) cw = WADA_WEB_W - x0;
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if (cw > 0) memcpy(_fb + (size_t)dy * WADA_WEB_W + x0, px + (size_t)r * w + sx, (size_t)cw * sizeof(uint16_t));
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}
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addBox(x, y, x + w, y + h);
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}
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