79 lines
2.3 KiB
Java
79 lines
2.3 KiB
Java
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package love.distributedrebirth.unicode4d.draw;
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import imgui.ImColor;
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import imgui.ImDrawList;
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import imgui.ImGui;
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import imgui.ImVec2;
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import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphLineTo;
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import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphPathCommand;
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import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphQuadCurveTo;
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public class ImCharacter {
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private final DrawCharacter drawChar;
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public ImCharacter(DrawCharacter drawChar) {
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this.drawChar = drawChar;
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}
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public void render() {
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ImVec2 size = new ImVec2(35f, 50f);
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ImGui.invisibleButton("canvas", size.x, size.y);
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ImVec2 p0 = ImGui.getItemRectMin();
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ImVec2 p1 = ImGui.getItemRectMax(); // p1 = p0 + size
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ImDrawList drawList = ImGui.getWindowDrawList();
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drawList.pushClipRect(p0.x, p0.y, p1.x, p1.y);
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// draw unicode4D
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float xOff = p0.x;
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float yOff = p0.y + 35f;
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float yFlip = -1f;
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float scale = 0.0165f;
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ImGlyphPathCommand first = null;
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ImGlyphPathCommand prev = null;
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int color = ImColor.intToColor(255, 127, 63, 255);
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for (ImGlyphPathCommand cmd: drawChar.getGlyphPath().getPath()) {
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if (cmd.isImGlyphMoveTo()) {
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first = cmd;
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prev = cmd;
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continue;
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}
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if (cmd.isImGlyphLineTo()) {
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ImGlyphLineTo lineTo = cmd.toImGlyphLineTo();
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drawList.addLine(
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xOff+prev.getX()*scale,
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yOff+prev.getY()*scale*yFlip,
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xOff+lineTo.getX()*scale,
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yOff+lineTo.getY()*scale*yFlip,
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color);
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prev = cmd;
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continue;
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}
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if (cmd.isImGlyphQuadCurveTo()) {
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ImGlyphQuadCurveTo quadCurveTo = cmd.toImGlyphQuadCurveTo();
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drawList.addBezierQuadratic(
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xOff+prev.getX()*scale,
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yOff+prev.getY()*scale*yFlip,
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xOff+quadCurveTo.getX1()*scale,
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yOff+quadCurveTo.getY1()*scale*yFlip,
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xOff+quadCurveTo.getX()*scale,
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yOff+quadCurveTo.getY()*scale*yFlip,
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color,
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1);
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prev = cmd;
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continue;
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}
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if (cmd.isImGlyphClosePath()) {
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drawList.addLine(
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xOff+prev.getX()*scale,
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yOff+prev.getY()*scale*yFlip,
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xOff+first.getX()*scale,
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yOff+first.getY()*scale*yFlip,
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color);
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}
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}
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drawList.addQuad(p0.x, p0.y, p0.x+size.x, p0.y, p1.x, p1.y, p0.x, p0.y+size.y,
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ImColor.intToColor(127, 127, 255, 255), 1f);
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drawList.popClipRect();
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}
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}
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