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LibDraw: Add TextAlignment::TopRight

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Also tidy up the alignment code to use switch statements.
This commit is contained in:
Andreas Kling 2019-09-06 19:23:36 +02:00
parent cb62890f8e
commit a791b86afa
3 changed files with 33 additions and 15 deletions
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40
Libraries/LibDraw/Painter.cpp
View file

@ -1,15 +1,15 @@
#include "Painter.h"
#include "Emoji.h"
#include "Font.h"
#include "GraphicsBitmap.h"
#include "Emoji.h"
#include <AK/Assertions.h>
#include <AK/StdLibExtras.h>
#include <AK/StringBuilder.h>
#include <AK/Utf8View.h>
#include <LibDraw/CharacterBitmap.h>
#include <math.h>
#include <stdio.h>
#include <unistd.h>
#include <AK/Utf8View.h>
#pragma GCC optimize("O3")
@ -623,18 +623,22 @@ void Painter::draw_text_line(const Rect& a_rect, const Utf8View& text, const Fon
}
}
if (alignment == TextAlignment::TopLeft) {
// No-op.
} else if (alignment == TextAlignment::CenterLeft) {
// No-op.
} else if (alignment == TextAlignment::CenterRight) {
switch (alignment) {
case TextAlignment::TopLeft:
case TextAlignment::CenterLeft:
break;
case TextAlignment::TopRight:
case TextAlignment::CenterRight:
rect.set_x(rect.right() - font.width(final_text));
} else if (alignment == TextAlignment::Center) {
break;
case TextAlignment::Center: {
auto shrunken_rect = rect;
shrunken_rect.set_width(font.width(final_text));
shrunken_rect.center_within(rect);
rect = shrunken_rect;
} else {
break;
}
default:
ASSERT_NOT_REACHED();
}
@ -687,15 +691,23 @@ void Painter::draw_text(const Rect& rect, const StringView& raw_text, const Font
bounding_rect.set_width(line_width);
}
if (alignment == TextAlignment::TopLeft) {
switch (alignment) {
case TextAlignment::TopLeft:
bounding_rect.set_location(rect.location());
} else if (alignment == TextAlignment::CenterLeft) {
break;
case TextAlignment::TopRight:
bounding_rect.set_location({ (rect.right() + 1) - bounding_rect.width(), rect.y() });
break;
case TextAlignment::CenterLeft:
bounding_rect.set_location({ rect.x(), rect.center().y() - (bounding_rect.height() / 2) });
} else if (alignment == TextAlignment::CenterRight) {
break;
case TextAlignment::CenterRight:
bounding_rect.set_location({ (rect.right() + 1) - bounding_rect.width(), rect.center().y() - (bounding_rect.height() / 2) });
} else if (alignment == TextAlignment::Center) {
break;
case TextAlignment::Center:
bounding_rect.center_within(rect);
} else {
break;
default:
ASSERT_NOT_REACHED();
}