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use zoom_box_dimensions constant for color picker preview window

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This commit is contained in:
garak
2022-07-05 18:14:10 -04:00
committed by garakmon
parent 1d596023c6
commit ab6aa01973
1 changed files with 6 additions and 6 deletions
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12
src/ui/colorpicker.cpp
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@@ -3,7 +3,7 @@
#include <QtWidgets>
const int zoom_box_dimensions = 7;
const int zoom_box_dimensions = 15;
ColorPicker::ColorPicker(QWidget *parent) :
QDialog(parent),
@@ -48,23 +48,23 @@ void ColorPicker::hover(int mouseX, int mouseY) {
return;
// 15 X 15 box with 8x magnification = 120px square)
QRect zoomRect(mouseX - 7, mouseY - 7, 15, 15);
QPixmap grab = screen->grabWindow(0, mouseX - 7, mouseY - 7, 15, 15);
QRect zoomRect(mouseX - zoom_box_dimensions / 2, mouseY - zoom_box_dimensions / 2, zoom_box_dimensions, zoom_box_dimensions);
QPixmap grab = screen->grabWindow(0, mouseX - zoom_box_dimensions / 2, mouseY - zoom_box_dimensions / 2, zoom_box_dimensions, zoom_box_dimensions);
int pixelRatio = grab.devicePixelRatio();
// TODO: investigate for high dpi displays why text is too high res
grab.setDevicePixelRatio(1);
QPixmap magnified = grab.scaled(120, 120, Qt::KeepAspectRatio);
QPixmap magnified = grab.scaled(zoom_box_dimensions * 8, zoom_box_dimensions * 8, Qt::KeepAspectRatio);
QPainter painter(&magnified);
painter.setRenderHint(QPainter::Antialiasing, false);
QRectF rect(55, 55, 9, 9);
QRectF rect(zoom_box_dimensions / 2 * 8 - 1, zoom_box_dimensions / 2 * 8 - 1, zoom_box_dimensions / 2 + 2, zoom_box_dimensions / 2 + 2);
painter.drawRect(rect);
painter.end();
// TODO: bounds checking?
this->color = grab.toImage().pixelColor(7 * pixelRatio, 7 * pixelRatio);
this->color = grab.toImage().pixelColor(zoom_box_dimensions / 2 * pixelRatio, zoom_box_dimensions / 2 * pixelRatio);
int r = this->color.red();
int g = this->color.green();
int b = this->color.blue();