gdxapp4d/gdxapp4d-lib-unicodezd/src/main/java/love/distributedrebirth/unicode4d/draw/ImCharacter.java

79 lines
2.4 KiB
Java

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 {
public static final float HEIGHT = 26f;
public static final float MARGIN_MENUBAR = 4f;
private static final ImVec2 SIZE = new ImVec2(22f, HEIGHT);
private static final int COLOR = ImColor.intToColor(255, 255, 255, 255);
public static void render(DrawCharacter drawChar) {
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 + 19f;
float yFlip = -1f;
float scale = 0.0199f;
if (drawChar.getyMax() > 800) {
scale = 0.0100f;
}
ImGlyphPathCommand first = null;
ImGlyphPathCommand prev = null;
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();
}
}