diff options
author | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-05-01 18:50:27 +0200 |
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committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-05-01 18:50:27 +0200 |
commit | 5d4c9b511e3feef507549384816a45a962fc9df4 (patch) | |
tree | dbb35fa03edee2cb09572fce86eee31719725bef | |
parent | f40de463adc75ff53d968b0a8d0154b022007e45 (diff) |
Rotate y-axis label.
-rw-r--r-- | plugingui/painter.cc | 43 | ||||
-rw-r--r-- | plugingui/painter.h | 2 | ||||
-rw-r--r-- | plugingui/powerwidget.cc | 4 |
3 files changed, 44 insertions, 5 deletions
diff --git a/plugingui/painter.cc b/plugingui/painter.cc index bc4abc3..f2fc66a 100644 --- a/plugingui/painter.cc +++ b/plugingui/painter.cc @@ -175,11 +175,14 @@ void Painter::clear() } void Painter::drawText(int x0, int y0, const Font& font, - const std::string& text, bool nocolour) + const std::string& text, bool nocolour, bool rotate) { PixelBufferAlpha* textbuf = font.render(text); - y0 -= textbuf->height; // The y0 offset (baseline) is the bottom of the text. + if(!rotate) + { + y0 -= textbuf->height; // The y0 offset (baseline) is the bottom of the text. + } // If the text offset is outside the buffer; skip it. if((x0 > (int)pixbuf.width) || (y0 > (int)pixbuf.height)) @@ -222,6 +225,42 @@ void Painter::drawText(int x0, int y0, const Font& font, pixbuf.blendLine(x + x0, y + y0, c, renderWidth - x); } } + else if(rotate) + { + int renderWidth = textbuf->height; + if(renderWidth > (int)(pixbuf.width - x0)) + { + renderWidth = pixbuf.width - x0; + } + + int renderHeight = textbuf->width; + if(renderHeight > ((int)pixbuf.height - y0)) + { + renderHeight = ((int)pixbuf.height - y0); + } + + for(int y = -1 * std::min(0, y0); y < renderHeight; ++y) + { + for(int x = -1 * std::min(0, x0); x < renderWidth; ++x) + { + assert(x >= 0); + assert(y >= 0); + assert(x < (int)textbuf->height); + assert(y < (int)textbuf->width); + + auto c = textbuf->pixel(textbuf->width - y - 1, x); + + assert(x + x0 >= 0); + assert(y + y0 >= 0); + assert(x + x0 < (int)pixbuf.width); + assert(y + y0 < (int)pixbuf.height); + + Colour col(colour.red(), colour.green(), + colour.blue(), (int)(colour.alpha() * c.alpha()) / 255); + pixbuf.addPixel(x + x0, y + y0, col); + } + } + } else { for(int y = -1 * std::min(0, y0); y < renderHeight; ++y) diff --git a/plugingui/painter.h b/plugingui/painter.h index b38bf88..9bf7fbf 100644 --- a/plugingui/painter.h +++ b/plugingui/painter.h @@ -49,7 +49,7 @@ public: void drawLine(int x1, int y1, int x2, int y2); void drawText(int x, int y, const Font& font, const std::string& text, - bool nocolour = false); + bool nocolour = false, bool rotate = false); void drawRectangle(int x1, int y1, int x2, int y2); void drawFilledRectangle(int x1, int y1, int x2, int y2); void drawPoint(int x, int y); diff --git a/plugingui/powerwidget.cc b/plugingui/powerwidget.cc index 3ea787c..3cb289a 100644 --- a/plugingui/powerwidget.cc +++ b/plugingui/powerwidget.cc @@ -205,8 +205,8 @@ void PowerWidget::Canvas::repaintEvent(GUI::RepaintEvent *repaintEvent) y0 + height0 - std::round(power_map.getFixed2().out * height0), rad + 1); p.setColour(GUI::Colour(1.0f, 1.0f, 1.0f, 0.2f)); - p.drawText(width() / 2, height() - 8, font, "in"); - p.drawText(16, height() / 2 + 8, font, "out"); + p.drawText(width() / 2 - (font.textWidth("in") / 2), height() - 8, font, "in"); + p.drawText(8, height() / 2 - (font.textWidth("out") / 2), font, "out", false, true); } void PowerWidget::Canvas::buttonEvent(GUI::ButtonEvent* buttonEvent) |