59 lines
1.9 KiB
Java
59 lines
1.9 KiB
Java
package it.cavallium.warppi.gui.graphicengine.html;
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import java.io.IOException;
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import org.teavm.jso.browser.Window;
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import org.teavm.jso.canvas.CanvasRenderingContext2D;
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import org.teavm.jso.dom.html.HTMLCanvasElement;
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import org.teavm.jso.dom.html.HTMLDocument;
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import it.cavallium.warppi.device.display.DisplayOutputDevice;
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import it.cavallium.warppi.gui.graphicengine.impl.common.RFTFont;
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public class HtmlFont extends RFTFont {
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public HTMLCanvasElement imgEl;
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public CanvasRenderingContext2D imgElCtx;
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public HtmlFont(final String fontName) throws IOException {
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super(fontName);
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final HTMLDocument doc = Window.current().getDocument();
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imgEl = doc.createElement("canvas").cast();
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imgEl.setClassName("hidden");
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doc.getBody().appendChild(imgEl);
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imgElCtx = imgEl.getContext("2d").cast();
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imgEl.setWidth(charW);
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imgEl.setHeight(charH * intervalsTotalSize);
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int currentInt;
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int currentIntBitPosition;
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int bitData;
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imgElCtx.clearRect(0, 0, imgEl.getWidth(), imgEl.getHeight());
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imgElCtx.setFillStyle("#000");
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final int minBound = 0, maxBound = intervalsTotalSize - 1;
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for (int charIndex = minBound; charIndex < maxBound; charIndex++)
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for (int dy = 0; dy < charH; dy++)
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for (int dx = 0; dx < charW; dx++) {
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final int bit = dx + dy * charW;
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currentInt = (int) (Math.floor(bit) / RFTFont.intBits);
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currentIntBitPosition = bit - currentInt * RFTFont.intBits;
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final int charIdx = charIndex * charIntCount + currentInt;
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if (charIdx >= 0 && charIdx < chars32.length) {
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bitData = chars32[charIdx] >> currentIntBitPosition & 1;
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if (bitData == 1)
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imgElCtx.fillRect(dx, charIndex * charH + dy, 1, 1);
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}
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}
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}
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@Override
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public boolean isInitialized() {
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return super.isInitialized();
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}
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@Override
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public void use(final DisplayOutputDevice d) {
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((HtmlEngine) d.getGraphicEngine()).getRenderer().f = this;
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}
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} |