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Draw unicode4d glyphs working

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This commit is contained in:
Willem Cazander 2022-03-18 02:10:02 +01:00
parent df5efd4dab
commit 5dfd954db1
9 changed files with 223 additions and 90 deletions
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79
gdxapp4d-lib-unicodezd/src/main/java/love/distributedrebirth/unicode4d/draw/ImCharacter.java Normal file
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package love.distributedrebirth.unicode4d.draw;
import imgui.ImColor;
import imgui.ImDrawList;
import imgui.ImGui;
import imgui.ImVec2;
import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphLineTo;
import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphPathCommand;
import love.distributedrebirth.unicode4d.draw.DrawGlyphPath.ImGlyphQuadCurveTo;
public class ImCharacter {
private final DrawCharacter drawChar;
public ImCharacter(DrawCharacter drawChar) {
this.drawChar = drawChar;
}
public void render() {
ImVec2 size = new ImVec2(35f, 50f);
ImGui.invisibleButton("canvas", size.x, size.y);
ImVec2 p0 = ImGui.getItemRectMin();
ImVec2 p1 = ImGui.getItemRectMax(); // p1 = p0 + size
ImDrawList drawList = ImGui.getWindowDrawList();
drawList.pushClipRect(p0.x, p0.y, p1.x, p1.y);
// draw unicode4D
float xOff = p0.x;
float yOff = p0.y + 35f;
float yFlip = -1f;
float scale = 0.0165f;
ImGlyphPathCommand first = null;
ImGlyphPathCommand prev = null;
int color = ImColor.intToColor(255, 127, 63, 255);
for (ImGlyphPathCommand cmd: drawChar.getGlyphPath().getPath()) {
if (cmd.isImGlyphMoveTo()) {
first = cmd;
prev = cmd;
continue;
}
if (cmd.isImGlyphLineTo()) {
ImGlyphLineTo lineTo = cmd.toImGlyphLineTo();
drawList.addLine(
xOff+prev.getX()*scale,
yOff+prev.getY()*scale*yFlip,
xOff+lineTo.getX()*scale,
yOff+lineTo.getY()*scale*yFlip,
color);
prev = cmd;
continue;
}
if (cmd.isImGlyphQuadCurveTo()) {
ImGlyphQuadCurveTo quadCurveTo = cmd.toImGlyphQuadCurveTo();
drawList.addBezierQuadratic(
xOff+prev.getX()*scale,
yOff+prev.getY()*scale*yFlip,
xOff+quadCurveTo.getX1()*scale,
yOff+quadCurveTo.getY1()*scale*yFlip,
xOff+quadCurveTo.getX()*scale,
yOff+quadCurveTo.getY()*scale*yFlip,
color,
1);
prev = cmd;
continue;
}
if (cmd.isImGlyphClosePath()) {
drawList.addLine(
xOff+prev.getX()*scale,
yOff+prev.getY()*scale*yFlip,
xOff+first.getX()*scale,
yOff+first.getY()*scale*yFlip,
color);
}
}
drawList.addQuad(p0.x, p0.y, p0.x+size.x, p0.y, p1.x, p1.y, p0.x, p0.y+size.y,
ImColor.intToColor(127, 127, 255, 255), 1f);
drawList.popClipRect();
}
}