static void drawBox(SkCanvas* canvas, const IntRect& rect, const SkPaint& paint)
{
const int right = rect.x() + rect.width() - 1;
const int bottom = rect.y() + rect.height() - 1;
drawHorizLine(canvas, rect.x(), right, rect.y(), paint);
drawVertLine(canvas, right, rect.y(), bottom, paint);
drawHorizLine(canvas, rect.x(), right, bottom, paint);
drawVertLine(canvas, rect.x(), rect.y(), bottom, paint);
}
void Drawable::drawRect(int x, int y, int width, int height) {
if (this->beforeDrawing(x, y, x + width - 1, y + height - 1)) {
drawHorizLine(x, y, width);
drawHorizLine(x, y + height - 1, width);
drawVertLine(x, y + 1, height - 2);
drawVertLine(x + width - 1, y + 1, height - 2);
this->afterDrawing(x, y, x + width - 1, y + height - 1);
}
}
void ScrollbarThemeChromiumLinux::paintThumb(GraphicsContext* gc, Scrollbar* scrollbar, const IntRect& rect)
{
const bool hovered = scrollbar->hoveredPart() == ThumbPart;
const int midx = rect.x() + rect.width() / 2;
const int midy = rect.y() + rect.height() / 2;
const bool vertical = scrollbar->orientation() == VerticalScrollbar;
SkCanvas* const canvas = gc->platformContext()->canvas();
SkScalar thumb[3];
SkColorToHSV(hovered
? PlatformThemeChromiumGtk::thumbActiveColor()
: PlatformThemeChromiumGtk::thumbInactiveColor(),
thumb);
SkPaint paint;
paint.setColor(PlatformThemeChromiumGtk::saturateAndBrighten(thumb, 0, 0.02));
SkIRect skrect;
if (vertical)
skrect.set(rect.x(), rect.y(), midx + 1, rect.y() + rect.height());
else
skrect.set(rect.x(), rect.y(), rect.x() + rect.width(), midy + 1);
canvas->drawIRect(skrect, paint);
paint.setColor(PlatformThemeChromiumGtk::saturateAndBrighten(thumb, 0, -0.02));
if (vertical)
skrect.set(midx + 1, rect.y(), rect.x() + rect.width(), rect.y() + rect.height());
else
skrect.set(rect.x(), midy + 1, rect.x() + rect.width(), rect.y() + rect.height());
canvas->drawIRect(skrect, paint);
SkScalar track[3];
SkColorToHSV(PlatformThemeChromiumGtk::trackColor(), track);
paint.setColor(PlatformThemeChromiumGtk::outlineColor(track, thumb));
drawBox(canvas, rect, paint);
if (rect.height() > 10 && rect.width() > 10) {
const int grippyHalfWidth = 2;
const int interGrippyOffset = 3;
if (vertical) {
drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy - interGrippyOffset, paint);
drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy, paint);
drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy + interGrippyOffset, paint);
} else {
drawVertLine(canvas, midx - interGrippyOffset, midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
drawVertLine(canvas, midx, midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
drawVertLine(canvas, midx + interGrippyOffset, midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
}
}
}
void Drawable::fillRectangle(int x, int y, int width, int height) {
if (this->beforeDrawing(x, y, x + width - 1, y + height - 1)) {
for (int l = 0; l < height; l++) {
drawHorizLine(x, y + l, width);
}
this->afterDrawing(x, y, x + width - 1, y + height - 1);
}
}
bool RenderThemeChromiumSkia::paintSliderThumb(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& rect)
{
// Make a thumb similar to the scrollbar thumb.
const bool hovered = isHovered(o) || toRenderSlider(o->parent())->inDragMode();
const int midx = rect.x() + rect.width() / 2;
const int midy = rect.y() + rect.height() / 2;
const bool vertical = (o->style()->appearance() == SliderThumbVerticalPart);
SkCanvas* const canvas = i.context->platformContext()->canvas();
const SkColor thumbLightGrey = SkColorSetARGB(0xff, 0xf4, 0xf2, 0xef);
const SkColor thumbDarkGrey = SkColorSetARGB(0xff, 0xea, 0xe5, 0xe0);
SkPaint paint;
paint.setColor(hovered ? SK_ColorWHITE : thumbLightGrey);
SkIRect skrect;
if (vertical)
skrect.set(rect.x(), rect.y(), midx + 1, rect.bottom());
else
skrect.set(rect.x(), rect.y(), rect.right(), midy + 1);
canvas->drawIRect(skrect, paint);
paint.setColor(hovered ? thumbLightGrey : thumbDarkGrey);
if (vertical)
skrect.set(midx + 1, rect.y(), rect.right(), rect.bottom());
else
skrect.set(rect.x(), midy + 1, rect.right(), rect.bottom());
canvas->drawIRect(skrect, paint);
const SkColor borderDarkGrey = SkColorSetARGB(0xff, 0x9d, 0x96, 0x8e);
paint.setColor(borderDarkGrey);
drawBox(canvas, rect, paint);
if (rect.height() > 10 && rect.width() > 10) {
drawHorizLine(canvas, midx - 2, midx + 2, midy, paint);
drawHorizLine(canvas, midx - 2, midx + 2, midy - 3, paint);
drawHorizLine(canvas, midx - 2, midx + 2, midy + 3, paint);
}
return false;
}
