gdiplus: Added GdipMeasureString.

This commit is contained in:
Evan Stade 2007-08-15 16:21:52 -07:00 committed by Alexandre Julliard
parent 291dd7a090
commit a51cf1d35a
3 changed files with 96 additions and 1 deletions

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@ -441,7 +441,7 @@
@ stdcall GdipLoadImageFromStreamICM(ptr ptr) @ stdcall GdipLoadImageFromStreamICM(ptr ptr)
@ stub GdipMeasureCharacterRanges @ stub GdipMeasureCharacterRanges
@ stub GdipMeasureDriverString @ stub GdipMeasureDriverString
@ stub GdipMeasureString @ stdcall GdipMeasureString(ptr ptr long ptr ptr ptr ptr ptr ptr)
@ stub GdipMultiplyLineTransform @ stub GdipMultiplyLineTransform
@ stdcall GdipMultiplyMatrix(ptr ptr long) @ stdcall GdipMultiplyMatrix(ptr ptr long)
@ stub GdipMultiplyPathGradientTransform @ stub GdipMultiplyPathGradientTransform

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@ -1709,6 +1709,99 @@ GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix
return Ok; return Ok;
} }
GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
INT *codepointsfitted, INT *linesfilled)
{
HFONT oldfont;
WCHAR* stringdup;
INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth;
SIZE size;
if(!graphics || !string || !font || !rect)
return InvalidParameter;
if(format || codepointsfitted || linesfilled){
FIXME("not implemented for given parameters\n");
if(format)
TRACE("format attr is %d\n", format->attr);
return NotImplemented;
}
if(length == -1) length = lstrlenW(string);
stringdup = GdipAlloc(length * sizeof(WCHAR));
if(!stringdup) return OutOfMemory;
oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
nwidth = roundr(rect->Width);
for(i = 0, j = 0; i < length; i++){
if(!isprintW(string[i]) && (string[i] != '\n'))
continue;
stringdup[j] = string[i];
j++;
}
stringdup[j] = 0;
length = j;
while(sum < length){
GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
nwidth, &fit, NULL, &size);
fitcpy = fit;
if(fit == 0)
break;
for(lret = 0; lret < fit; lret++)
if(*(stringdup + sum + lret) == '\n')
break;
/* Line break code (may look strange, but it imitates windows). */
if(lret < fit)
fit = lret; /* this is not an off-by-one error */
else if(fit < (length - sum)){
if(*(stringdup + sum + fit) == ' ')
while(*(stringdup + sum + fit) == ' ')
fit++;
else
while(*(stringdup + sum + fit - 1) != ' '){
fit--;
if(*(stringdup + sum + fit) == '\t')
break;
if(fit == 0){
fit = fitcpy;
break;
}
}
}
GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
nwidth, &j, NULL, &size);
sum += fit + (lret < fitcpy ? 1 : 0);
height += size.cy;
max_width = max(max_width, size.cx);
if(height > roundr(rect->Height))
break;
}
bounds->X = rect->X;
bounds->Y = rect->Y;
bounds->Width = (REAL)max_width;
bounds->Height = min((REAL)height, rect->Height);
DeleteObject(SelectObject(graphics->hdc, oldfont));
return Ok;
}
GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state) GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
{ {
static int calls; static int calls;

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@ -94,6 +94,8 @@ GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics*,PixelOffsetMode*);
GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics*,SmoothingMode*); GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics*,SmoothingMode*);
GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics*,TextRenderingHint*); GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics*,TextRenderingHint*);
GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics*,GpMatrix*); GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics*,GpMatrix*);
GpStatus WINGDIPAPI GdipMeasureString(GpGraphics*,GDIPCONST WCHAR*,INT,
GDIPCONST GpFont*,GDIPCONST RectF*,GDIPCONST GpStringFormat*,RectF*,INT*,INT*);
GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics*,GraphicsState); GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics*,GraphicsState);
GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics*,REAL,GpMatrixOrder); GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics*,REAL,GpMatrixOrder);
GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics*,GraphicsState*); GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics*,GraphicsState*);