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Add a Painter::drawBitmap() and make Painter::drawText() use it.

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This commit is contained in:
Andreas Kling 2018-10-12 12:29:58 +02:00
parent 73895ce043
commit e23ac56017
4 changed files with 51 additions and 20 deletions
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47
Widgets/Painter.cpp
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@ -80,8 +80,24 @@ void Painter::xorRect(const Rect& rect, Color color)
}
}
void Painter::drawBitmap(const Point& point, const char* bitmap, const Size& bitmapSize, Color color)
{
ASSERT(bitmap);
ASSERT(!bitmapSize.isEmpty());
void Painter::drawText(const Rect& rect, const String& text, TextAlignment alignment, const Color& color)
for (int row = 0; row < bitmapSize.height(); ++row) {
int y = point.y() + row;
int x = point.x();
dword* bits = scanline(y);
for (int j = 0; j < bitmapSize.width(); ++j) {
char fc = bitmap[row * bitmapSize.width() + j];
if (fc == '#')
bits[x + j] = color.value();
}
}
}
void Painter::drawText(const Rect& rect, const String& text, TextAlignment alignment, Color color)
{
Point point;
@ -97,25 +113,18 @@ void Painter::drawText(const Rect& rect, const String& text, TextAlignment align
ASSERT_NOT_REACHED();
}
for (int row = 0; row < m_font.glyphHeight(); ++row) {
int y = point.y() + row;
dword* bits = scanline(y);
for (unsigned i = 0; i < text.length(); ++i) {
byte ch = text[i];
if (ch == ' ')
continue;
const char* glyph = m_font.glyph(ch);
if (!glyph) {
printf("Font doesn't have 0x%02x ('%c')\n", ch, ch);
ASSERT_NOT_REACHED();
}
int x = point.x() + i * m_font.glyphWidth();
for (int j = 0; j < m_font.glyphWidth(); ++j) {
char fc = glyph[row * m_font.glyphWidth() + j];
if (fc == '#')
bits[x + j] = color.value();
}
for (unsigned i = 0; i < text.length(); ++i) {
byte ch = text[i];
if (ch == ' ')
continue;
const char* glyph = m_font.glyph(ch);
if (!glyph) {
printf("Font doesn't have 0x%02x ('%c')\n", ch, ch);
ASSERT_NOT_REACHED();
}
int x = point.x() + i * m_font.glyphWidth();
int y = point.y();
drawBitmap({ x, y }, glyph, { m_font.glyphWidth(), m_font.glyphHeight() }, color);
}
}