gdiplus: Add a software implementation of GdipDrawDriverString.
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@ -5650,6 +5650,191 @@ static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT1
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return Ok;
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}
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static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
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GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
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GDIPCONST PointF *positions, INT flags,
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GDIPCONST GpMatrix *matrix )
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{
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static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup);
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GpStatus stat;
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PointF *real_positions;
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POINT *pti;
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HFONT hfont;
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HDC hdc;
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int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
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DWORD max_glyphsize=0;
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GLYPHMETRICS glyphmetrics;
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static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
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BYTE *glyph_mask;
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BYTE *text_mask;
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int text_mask_stride;
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BYTE *pixel_data;
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int pixel_data_stride;
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GpRect pixel_area;
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UINT ggo_flags = GGO_GRAY8_BITMAP;
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if (length <= 0)
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return Ok;
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if (flags & DriverStringOptionsRealizedAdvance)
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{
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FIXME("Not implemented for DriverStringOptionsRealizedAdvance\n");
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return NotImplemented;
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}
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if (!(flags & DriverStringOptionsCmapLookup))
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ggo_flags |= GGO_GLYPH_INDEX;
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if (flags & unsupported_flags)
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FIXME("Ignoring flags %x\n", flags & unsupported_flags);
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if (matrix)
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FIXME("Ignoring matrix\n");
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real_positions = GdipAlloc(sizeof(PointF) * length);
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if (!real_positions)
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return OutOfMemory;
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pti = GdipAlloc(sizeof(POINT) * length);
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if (!pti)
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{
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GdipFree(real_positions);
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return OutOfMemory;
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}
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memcpy(real_positions, positions, sizeof(PointF) * length);
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transform_and_round_points(graphics, pti, real_positions, length);
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GdipFree(real_positions);
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get_font_hfont(graphics, font, &hfont);
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hdc = CreateCompatibleDC(0);
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SelectObject(hdc, hfont);
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/* Get the boundaries of the text to be drawn */
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for (i=0; i<length; i++)
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{
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DWORD glyphsize;
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int left, top, right, bottom;
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glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
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&glyphmetrics, 0, NULL, &identity);
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if (glyphsize == GDI_ERROR)
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{
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ERR("GetGlyphOutlineW failed\n");
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GdipFree(pti);
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DeleteDC(hdc);
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DeleteObject(hfont);
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return GenericError;
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}
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if (glyphsize > max_glyphsize)
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max_glyphsize = glyphsize;
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left = pti[i].x - glyphmetrics.gmptGlyphOrigin.x;
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top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
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right = pti[i].x - glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
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bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
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if (left < min_x) min_x = left;
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if (top < min_y) min_y = top;
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if (right > max_x) max_x = right;
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if (bottom > max_y) max_y = bottom;
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}
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glyph_mask = GdipAlloc(max_glyphsize);
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text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
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text_mask_stride = max_x - min_x;
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if (!(glyph_mask && text_mask))
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{
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GdipFree(glyph_mask);
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GdipFree(text_mask);
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GdipFree(pti);
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DeleteDC(hdc);
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DeleteObject(hfont);
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return OutOfMemory;
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}
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/* Generate a mask for the text */
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for (i=0; i<length; i++)
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{
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int left, top, stride;
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GetGlyphOutlineW(hdc, text[i], ggo_flags,
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&glyphmetrics, max_glyphsize, glyph_mask, &identity);
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left = pti[i].x - glyphmetrics.gmptGlyphOrigin.x;
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top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
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stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
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for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
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{
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BYTE *glyph_val = glyph_mask + y * stride;
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BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
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for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
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{
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*text_val = min(64, *text_val + *glyph_val);
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glyph_val++;
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text_val++;
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}
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}
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}
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GdipFree(pti);
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DeleteDC(hdc);
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DeleteObject(hfont);
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GdipFree(glyph_mask);
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/* get the brush data */
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pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
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if (!pixel_data)
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{
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GdipFree(text_mask);
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return OutOfMemory;
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}
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pixel_area.X = min_x;
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pixel_area.Y = min_y;
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pixel_area.Width = max_x - min_x;
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pixel_area.Height = max_y - min_y;
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pixel_data_stride = pixel_area.Width * 4;
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stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
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if (stat != Ok)
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{
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GdipFree(text_mask);
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GdipFree(pixel_data);
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return stat;
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}
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/* multiply the brush data by the mask */
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for (y=0; y<pixel_area.Height; y++)
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{
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BYTE *text_val = text_mask + text_mask_stride * y;
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BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
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for (x=0; x<pixel_area.Width; x++)
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{
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*pixel_val = (*pixel_val) * (*text_val) / 64;
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text_val++;
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pixel_val+=4;
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}
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}
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GdipFree(text_mask);
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/* draw the result */
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stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
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pixel_area.Height, pixel_data_stride);
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GdipFree(pixel_data);
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return stat;
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}
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/*****************************************************************************
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* GdipDrawDriverString [GDIPLUS.@]
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*/
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@ -5676,7 +5861,8 @@ GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16
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positions, flags, matrix);
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if (stat == NotImplemented)
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FIXME("Not fully implemented\n");
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stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, brush,
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positions, flags, matrix);
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return stat;
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}
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@ -2005,7 +2005,6 @@ static void test_GdipDrawString(void)
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status = GdipDrawDriverString(graphics, string, 4, fnt, brush, NULL, DriverStringOptionsCmapLookup, matrix);
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expect(InvalidParameter, status);
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todo_wine {
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status = GdipDrawDriverString(graphics, string, 4, fnt, brush, positions, DriverStringOptionsCmapLookup|0x10, matrix);
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expect(Ok, status);
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@ -2014,7 +2013,6 @@ todo_wine {
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status = GdipDrawDriverString(graphics, string, 4, fnt, brush, positions, DriverStringOptionsCmapLookup, matrix);
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expect(Ok, status);
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}
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GdipDeleteMatrix(matrix);
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GdipDeleteGraphics(graphics);
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