chibicitiberiu/rainmeter-studio
1
0
Fork 0
mirror of https://github.com/chibicitiberiu/rainmeter-studio.git synced 2024-02-24 04:33:31 +00:00
Code Issues Releases Wiki Activity

Gfx: Add Util::GetAdjustedDWriteTextLayoutMetrics to reduce code duplication

Browse Source
This commit is contained in:
Birunthan Mohanathas
2013-07-31 13:09:48 +03:00
parent 82b8920443
commit 37fd105650
3 changed files with 39 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
Common/Gfx/Util/DWriteHelpers.cpp
View File

@ -18,10 +18,34 @@
#include "DWriteHelpers.h"
#include <wrl/client.h>
#include <cmath>
namespace Gfx {
namespace Util {
DWRITE_TEXT_METRICS GetAdjustedDWriteTextLayoutMetrics(
IDWriteTextLayout* textLayout, bool gdiEmulation)
{
DWRITE_TEXT_METRICS metrics;
textLayout->GetMetrics(&metrics);
if (gdiEmulation)
{
float size = 0.0f;
textLayout->GetFontSize(0, &size);
metrics.width = floor(metrics.width + (size / 2.05f) + (metrics.width / 55.0f) - 0.5f);
metrics.height = floor(metrics.height + (size / 9.25f) + 0.3f);
}
else
{
// GDI+ draws multi-line text even though the last line may be clipped slightly at the bottom.
// This is a workaround to emulate that behaviour.
metrics.height += 1.0f;
}
return metrics;
}
HRESULT GetDWritePropertiesFromGDIProperties(
IDWriteFactory* factory, const WCHAR* gdiFamilyName, const bool gdiBold, const bool gdiItalic,
DWRITE_FONT_WEIGHT& dwriteFontWeight, DWRITE_FONT_STYLE& dwriteFontStyle,

5
Common/Gfx/Util/DWriteHelpers.h
View File

@ -24,6 +24,11 @@
namespace Gfx {
namespace Util {
// If |gdiEmulation| is true, the returns metrics have similar characteristics to those provided
// by GDI+.
DWRITE_TEXT_METRICS GetAdjustedDWriteTextLayoutMetrics(
IDWriteTextLayout* textLayout, bool gdiEmulation);
// Maps the GDI family name and italic/bold flags to the DirectWrite family name, weight, style,
// and stretch.
HRESULT GetDWritePropertiesFromGDIProperties(