Text mis-aligned when scaling and using `textSize()` with `P2D`

Created by: Santarii

Expected Behavior

If I use the scale function and then use the textSize function to reverse that scaling, I expect to get the same result as just rendering the text without any scaling.

Current Behavior

In the default renderer the text is lower than it should be when scaled up then sized back down. In P2D the space between characters also changes.

Steps to Reproduce

float scale = 1;

void setup() {
  size(1920, 1080, P2D);
  textFont(createFont("Consolas", 256));
}

void draw() {
  scale += 1;
  scale(scale);
  background(0);
  textAlign(LEFT, TOP);
  textSize(256f/scale);
  text("Wow", 0, 0);
}

This code renders text, and each frame increases the scale, but the scale is exactly reversed with the textSize function. If the bug didn't exist, this would look like stationary unchanging text, however this is not the case.

Your Environment

• Processing version: 4.0b6
• Operating System and OS version: Windows 10 Home 64-bit. 10.0.19043 Build 19043.

Possible Causes / Solutions

It seems to not just be small values in textSize, even reasonable values mess with the alignment a bit, though very small values have a more significant effect.

首先使用 P2D 渲染器运行提供的 Processing 草图，然后在缩放并应用反向 textSize() 的同时，将其与默认渲染器进行比较。调查渲染器的文本对齐和字符间距行为；当缩放发生变化时，文本在视觉上保持不动且间距始终一致，即表示完成。