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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated

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Problem:    MS-Windows: drawing underline, curl and strike-throw is slow,
            mFallbackDC not properly updated.
Solution:   Several performance improvements. (Ken Takata, Taro Muraoka,
            Yasuhiro Matsumoto, closes #2401)
This commit is contained in:
Bram Moolenaar
2017-12-05 13:22:16 +01:00
parent ce6179c799
commit 92467d3351
5 changed files with 393 additions and 132 deletions
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13
src/gui_dwrite.h
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@@ -55,11 +55,11 @@ void DWrite_Init(void);
void DWrite_Final(void);
DWriteContext *DWriteContext_Open(void);
void DWriteContext_BindDC(DWriteContext *ctx, HDC hdc, RECT *rect);
void DWriteContext_BindDC(DWriteContext *ctx, HDC hdc, const RECT *rect);
void DWriteContext_SetFont(DWriteContext *ctx, HFONT hFont);
void DWriteContext_DrawText(
DWriteContext *ctx,
const WCHAR* text,
const WCHAR *text,
int len,
int x,
int y,
@@ -68,9 +68,12 @@ void DWriteContext_DrawText(
int cellWidth,
COLORREF color,
UINT fuOptions,
CONST RECT *lprc,
CONST INT * lpDx);
void DWriteContext_FillRect(DWriteContext *ctx, RECT *rc, COLORREF color);
const RECT *lprc,
const INT *lpDx);
void DWriteContext_FillRect(DWriteContext *ctx, const RECT *rc, COLORREF color);
void DWriteContext_DrawLine(DWriteContext *ctx, int x1, int y1, int x2, int y2,
COLORREF color);
void DWriteContext_SetPixel(DWriteContext *ctx, int x, int y, COLORREF color);
void DWriteContext_Flush(DWriteContext *ctx);
void DWriteContext_Close(DWriteContext *ctx);