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Fixed left offset parameter handling for center/right align string drawing. A brief note about string drawing, offset and display width is added in the WFont.h

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linshier
2010-12-01 08:01:13 +00:00
parent a0427d99df
commit aa6aa20ba5
3 changed files with 53 additions and 14 deletions
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10
projects/mtg/include/WFont.h
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@@ -28,8 +28,14 @@ class WFont
public:
int mFontID;
// Rendering text to screen.
virtual void DrawString(const char *s, float x, float y, int align=JGETEXT_LEFT, float leftOffset = 0, float width = 0) = 0;
virtual void DrawString(std::string s, float x, float y, int align=JGETEXT_LEFT, float leftOffset = 0, float width = 0) = 0;
// Note:
// align=JGETEXT_LEFT, string region (x-leftOffset, x-leftOffset+StringWidth), display window (x, x+displayWidth)
// align=JGETEXT_CENTER, string region (x-leftOffset-StringWidth/2, x-leftOffset+StringWidth/2), display window (x-displayWidth/2, x+displayWidth/2)
// align=JGETEXT_RIGHT, string region (x-leftOffset-StringWidth, x-leftOffset), display window (x-displayWidth, x)
// Only when width is NOT zero, characters outside the display window are not rendered.
//
virtual void DrawString(const char *s, float x, float y, int align=JGETEXT_LEFT, float leftOffset = 0, float displayWidth = 0) = 0;
virtual void DrawString(std::string s, float x, float y, int align=JGETEXT_LEFT, float leftOffset = 0, float displayWidth = 0) = 0;
// Set font color.
virtual void SetColor(PIXEL_TYPE color) = 0;
// Get font color.