Sweden-Number/dlls/gdiplus/brush.c

836 lines
21 KiB
C

/*
* Copyright (C) 2007 Google (Evan Stade)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#define COBJMACROS
#include "objbase.h"
#include "olectl.h"
#include "ole2.h"
#include "gdiplus.h"
#include "gdiplus_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
GpStatus WINGDIPAPI GdipCloneBrush(GpBrush *brush, GpBrush **clone)
{
if(!brush || !clone)
return InvalidParameter;
switch(brush->bt){
case BrushTypeSolidColor:
*clone = GdipAlloc(sizeof(GpSolidFill));
if (!*clone) return OutOfMemory;
memcpy(*clone, brush, sizeof(GpSolidFill));
(*clone)->gdibrush = CreateBrushIndirect(&(*clone)->lb);
break;
case BrushTypePathGradient:{
GpPathGradient *src, *dest;
INT count;
*clone = GdipAlloc(sizeof(GpPathGradient));
if (!*clone) return OutOfMemory;
src = (GpPathGradient*) brush,
dest = (GpPathGradient*) *clone;
count = src->pathdata.Count;
memcpy(dest, src, sizeof(GpPathGradient));
dest->pathdata.Count = count;
dest->pathdata.Points = GdipAlloc(count * sizeof(PointF));
dest->pathdata.Types = GdipAlloc(count);
if(!dest->pathdata.Points || !dest->pathdata.Types){
GdipFree(dest->pathdata.Points);
GdipFree(dest->pathdata.Types);
GdipFree(dest);
return OutOfMemory;
}
memcpy(dest->pathdata.Points, src->pathdata.Points, count * sizeof(PointF));
memcpy(dest->pathdata.Types, src->pathdata.Types, count);
break;
}
case BrushTypeLinearGradient:
*clone = GdipAlloc(sizeof(GpLineGradient));
if(!*clone) return OutOfMemory;
memcpy(*clone, brush, sizeof(GpLineGradient));
(*clone)->gdibrush = CreateSolidBrush((*clone)->lb.lbColor);
break;
case BrushTypeTextureFill:
*clone = GdipAlloc(sizeof(GpTexture));
if(!*clone) return OutOfMemory;
memcpy(*clone, brush, sizeof(GpTexture));
(*clone)->gdibrush = CreateBrushIndirect(&(*clone)->lb);
break;
default:
ERR("not implemented for brush type %d\n", brush->bt);
return NotImplemented;
}
return Ok;
}
GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
GDIPCONST GpPointF* endpoint, ARGB startcolor, ARGB endcolor,
GpWrapMode wrap, GpLineGradient **line)
{
COLORREF col = ARGB2COLORREF(startcolor);
if(!line || !startpoint || !endpoint || wrap == WrapModeClamp)
return InvalidParameter;
*line = GdipAlloc(sizeof(GpLineGradient));
if(!*line) return OutOfMemory;
(*line)->brush.lb.lbStyle = BS_SOLID;
(*line)->brush.lb.lbColor = col;
(*line)->brush.lb.lbHatch = 0;
(*line)->brush.gdibrush = CreateSolidBrush(col);
(*line)->brush.bt = BrushTypeLinearGradient;
(*line)->startpoint.X = startpoint->X;
(*line)->startpoint.Y = startpoint->Y;
(*line)->endpoint.X = endpoint->X;
(*line)->endpoint.Y = endpoint->Y;
(*line)->startcolor = startcolor;
(*line)->endcolor = endcolor;
(*line)->wrap = wrap;
(*line)->gamma = FALSE;
return Ok;
}
GpStatus WINGDIPAPI GdipCreateLineBrushI(GDIPCONST GpPoint* startpoint,
GDIPCONST GpPoint* endpoint, ARGB startcolor, ARGB endcolor,
GpWrapMode wrap, GpLineGradient **line)
{
GpPointF stF;
GpPointF endF;
if(!startpoint || !endpoint)
return InvalidParameter;
stF.X = (REAL)startpoint->X;
stF.Y = (REAL)startpoint->Y;
endF.X = (REAL)endpoint->X;
endF.X = (REAL)endpoint->Y;
return GdipCreateLineBrush(&stF, &endF, startcolor, endcolor, wrap, line);
}
GpStatus WINGDIPAPI GdipCreateLineBrushFromRect(GDIPCONST GpRectF* rect,
ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
GpLineGradient **line)
{
GpPointF start, end;
if(!line || !rect)
return InvalidParameter;
start.X = rect->X;
start.Y = rect->Y;
end.X = rect->X + rect->Width;
end.Y = rect->Y + rect->Height;
return GdipCreateLineBrush(&start, &end, startcolor, endcolor, wrap, line);
}
GpStatus WINGDIPAPI GdipCreateLineBrushFromRectI(GDIPCONST GpRect* rect,
ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
GpLineGradient **line)
{
GpRectF rectF;
rectF.X = (REAL) rect->X;
rectF.Y = (REAL) rect->Y;
rectF.Width = (REAL) rect->Width;
rectF.Height = (REAL) rect->Height;
return GdipCreateLineBrushFromRect(&rectF, startcolor, endcolor, mode, wrap, line);
}
GpStatus WINGDIPAPI GdipCreatePathGradient(GDIPCONST GpPointF* points,
INT count, GpWrapMode wrap, GpPathGradient **grad)
{
COLORREF col = ARGB2COLORREF(0xffffffff);
if(!points || !grad)
return InvalidParameter;
if(count <= 0)
return OutOfMemory;
*grad = GdipAlloc(sizeof(GpPathGradient));
if (!*grad) return OutOfMemory;
(*grad)->pathdata.Count = count;
(*grad)->pathdata.Points = GdipAlloc(count * sizeof(PointF));
(*grad)->pathdata.Types = GdipAlloc(count);
if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
GdipFree((*grad)->pathdata.Points);
GdipFree((*grad)->pathdata.Types);
GdipFree(*grad);
return OutOfMemory;
}
memcpy((*grad)->pathdata.Points, points, count * sizeof(PointF));
memset((*grad)->pathdata.Types, PathPointTypeLine, count);
(*grad)->brush.lb.lbStyle = BS_SOLID;
(*grad)->brush.lb.lbColor = col;
(*grad)->brush.lb.lbHatch = 0;
(*grad)->brush.gdibrush = CreateSolidBrush(col);
(*grad)->brush.bt = BrushTypePathGradient;
(*grad)->centercolor = 0xffffffff;
(*grad)->wrap = wrap;
(*grad)->gamma = FALSE;
(*grad)->center.X = 0.0;
(*grad)->center.Y = 0.0;
(*grad)->focus.X = 0.0;
(*grad)->focus.Y = 0.0;
return Ok;
}
GpStatus WINGDIPAPI GdipCreatePathGradientI(GDIPCONST GpPoint* points,
INT count, GpWrapMode wrap, GpPathGradient **grad)
{
GpPointF *pointsF;
GpStatus ret;
INT i;
if(!points || !grad)
return InvalidParameter;
if(count <= 0)
return OutOfMemory;
pointsF = GdipAlloc(sizeof(GpPointF) * count);
if(!pointsF)
return OutOfMemory;
for(i = 0; i < count; i++){
pointsF[i].X = (REAL)points[i].X;
pointsF[i].Y = (REAL)points[i].Y;
}
ret = GdipCreatePathGradient(pointsF, count, wrap, grad);
GdipFree(pointsF);
return ret;
}
/* FIXME: path gradient brushes not truly supported (drawn as solid brushes) */
GpStatus WINGDIPAPI GdipCreatePathGradientFromPath(GDIPCONST GpPath* path,
GpPathGradient **grad)
{
COLORREF col = ARGB2COLORREF(0xffffffff);
if(!path || !grad)
return InvalidParameter;
*grad = GdipAlloc(sizeof(GpPathGradient));
if (!*grad) return OutOfMemory;
(*grad)->pathdata.Count = path->pathdata.Count;
(*grad)->pathdata.Points = GdipAlloc(path->pathdata.Count * sizeof(PointF));
(*grad)->pathdata.Types = GdipAlloc(path->pathdata.Count);
if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
GdipFree((*grad)->pathdata.Points);
GdipFree((*grad)->pathdata.Types);
GdipFree(*grad);
return OutOfMemory;
}
memcpy((*grad)->pathdata.Points, path->pathdata.Points,
path->pathdata.Count * sizeof(PointF));
memcpy((*grad)->pathdata.Types, path->pathdata.Types, path->pathdata.Count);
(*grad)->brush.lb.lbStyle = BS_SOLID;
(*grad)->brush.lb.lbColor = col;
(*grad)->brush.lb.lbHatch = 0;
(*grad)->brush.gdibrush = CreateSolidBrush(col);
(*grad)->brush.bt = BrushTypePathGradient;
(*grad)->centercolor = 0xffffffff;
(*grad)->wrap = WrapModeClamp;
(*grad)->gamma = FALSE;
/* FIXME: this should be set to the "centroid" of the path by default */
(*grad)->center.X = 0.0;
(*grad)->center.Y = 0.0;
(*grad)->focus.X = 0.0;
(*grad)->focus.Y = 0.0;
return Ok;
}
GpStatus WINGDIPAPI GdipCreateSolidFill(ARGB color, GpSolidFill **sf)
{
COLORREF col = ARGB2COLORREF(color);
if(!sf) return InvalidParameter;
*sf = GdipAlloc(sizeof(GpSolidFill));
if (!*sf) return OutOfMemory;
(*sf)->brush.lb.lbStyle = BS_SOLID;
(*sf)->brush.lb.lbColor = col;
(*sf)->brush.lb.lbHatch = 0;
(*sf)->brush.gdibrush = CreateSolidBrush(col);
(*sf)->brush.bt = BrushTypeSolidColor;
(*sf)->color = color;
return Ok;
}
/* FIXME: imageattr ignored */
GpStatus WINGDIPAPI GdipCreateTextureIA(GpImage *image,
GDIPCONST GpImageAttributes *imageattr, REAL x, REAL y, REAL width,
REAL height, GpTexture **texture)
{
HDC hdc;
OLE_HANDLE hbm;
HBITMAP old = NULL;
BITMAPINFO bmi;
BITMAPINFOHEADER *bmih;
INT n_x, n_y, n_width, n_height, abs_height, stride, image_stride, i, bytespp;
BOOL bm_is_selected;
BYTE *dibits, *buff, *textbits;
if(!image || !texture || x < 0.0 || y < 0.0 || width < 0.0 || height < 0.0)
return InvalidParameter;
if(image->type != ImageTypeBitmap){
FIXME("not implemented for image type %d\n", image->type);
return NotImplemented;
}
n_x = roundr(x);
n_y = roundr(y);
n_width = roundr(width);
n_height = roundr(height);
if(n_x + n_width > ((GpBitmap*)image)->width ||
n_y + n_height > ((GpBitmap*)image)->height)
return InvalidParameter;
IPicture_get_Handle(image->picture, &hbm);
if(!hbm) return GenericError;
IPicture_get_CurDC(image->picture, &hdc);
bm_is_selected = (hdc != 0);
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biBitCount = 0;
if(!bm_is_selected){
hdc = CreateCompatibleDC(0);
old = SelectObject(hdc, (HBITMAP)hbm);
}
/* fill out bmi */
GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
bytespp = bmi.bmiHeader.biBitCount / 8;
abs_height = abs(bmi.bmiHeader.biHeight);
if(n_x > bmi.bmiHeader.biWidth || n_x + n_width > bmi.bmiHeader.biWidth ||
n_y > abs_height || n_y + n_height > abs_height)
return InvalidParameter;
dibits = GdipAlloc(bmi.bmiHeader.biSizeImage);
if(dibits) /* this is not a good place to error out */
GetDIBits(hdc, (HBITMAP)hbm, 0, abs_height, dibits, &bmi, DIB_RGB_COLORS);
if(!bm_is_selected){
SelectObject(hdc, old);
DeleteDC(hdc);
}
if(!dibits)
return OutOfMemory;
image_stride = (bmi.bmiHeader.biWidth * bytespp + 3) & ~3;
stride = (n_width * bytespp + 3) & ~3;
buff = GdipAlloc(sizeof(BITMAPINFOHEADER) + stride * n_height);
if(!buff){
GdipFree(dibits);
return OutOfMemory;
}
bmih = (BITMAPINFOHEADER*)buff;
textbits = (BYTE*) (bmih + 1);
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = n_width;
bmih->biHeight = n_height;
bmih->biCompression = BI_RGB;
bmih->biSizeImage = stride * n_height;
bmih->biBitCount = bmi.bmiHeader.biBitCount;
bmih->biClrUsed = 0;
bmih->biPlanes = 1;
/* image is flipped */
if(bmi.bmiHeader.biHeight > 0){
dibits += bmi.bmiHeader.biSizeImage;
image_stride *= -1;
textbits += stride * (n_height - 1);
stride *= -1;
}
for(i = 0; i < n_height; i++)
memcpy(&textbits[i * stride],
&dibits[n_x * bytespp + (n_y + i) * image_stride],
abs(stride));
*texture = GdipAlloc(sizeof(GpTexture));
if (!*texture) return OutOfMemory;
(*texture)->brush.lb.lbStyle = BS_DIBPATTERNPT;
(*texture)->brush.lb.lbColor = DIB_RGB_COLORS;
(*texture)->brush.lb.lbHatch = (ULONG_PTR)buff;
(*texture)->brush.gdibrush = CreateBrushIndirect(&(*texture)->brush.lb);
(*texture)->brush.bt = BrushTypeTextureFill;
GdipFree(dibits);
GdipFree(buff);
return Ok;
}
GpStatus WINGDIPAPI GdipGetBrushType(GpBrush *brush, GpBrushType *type)
{
if(!brush || !type) return InvalidParameter;
*type = brush->bt;
return Ok;
}
GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
{
if(!brush) return InvalidParameter;
switch(brush->bt)
{
case BrushTypePathGradient:
GdipFree(((GpPathGradient*) brush)->pathdata.Points);
GdipFree(((GpPathGradient*) brush)->pathdata.Types);
break;
case BrushTypeSolidColor:
case BrushTypeLinearGradient:
case BrushTypeTextureFill:
default:
break;
}
DeleteObject(brush->gdibrush);
GdipFree(brush);
return Ok;
}
GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient *line,
BOOL *usinggamma)
{
if(!line)
return InvalidParameter;
*usinggamma = line->gamma;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient *grad,
GpPointF *point)
{
if(!grad || !point)
return InvalidParameter;
point->X = grad->center.X;
point->Y = grad->center.Y;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPathGradientCenterPointI(GpPathGradient *grad,
GpPoint *point)
{
GpStatus ret;
GpPointF ptf;
if(!point)
return InvalidParameter;
ret = GdipGetPathGradientCenterPoint(grad,&ptf);
if(ret == Ok){
point->X = roundr(ptf.X);
point->Y = roundr(ptf.Y);
}
return ret;
}
GpStatus WINGDIPAPI GdipGetPathGradientFocusScales(GpPathGradient *grad,
REAL *x, REAL *y)
{
if(!grad || !x || !y)
return InvalidParameter;
*x = grad->focus.X;
*y = grad->focus.Y;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPathGradientGammaCorrection(GpPathGradient *grad,
BOOL *gamma)
{
if(!grad || !gamma)
return InvalidParameter;
*gamma = grad->gamma;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPathGradientPointCount(GpPathGradient *grad,
INT *count)
{
if(!grad || !count)
return InvalidParameter;
*count = grad->pathdata.Count;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorsWithCount(GpPathGradient
*grad, ARGB *argb, INT *count)
{
static int calls;
if(!grad || !argb || !count || (*count < grad->pathdata.Count))
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill *sf, ARGB *argb)
{
if(!sf || !argb)
return InvalidParameter;
*argb = sf->color;
return Ok;
}
GpStatus WINGDIPAPI GdipSetLineBlend(GpLineGradient *brush,
GDIPCONST REAL *blend, GDIPCONST REAL* positions, INT count)
{
static int calls;
if(!brush || !blend || !positions || count <= 0)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return Ok;
}
GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient *line,
BOOL usegamma)
{
if(!line)
return InvalidParameter;
line->gamma = usegamma;
return Ok;
}
GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient *line, REAL focus,
REAL scale)
{
static int calls;
if(!line || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetLineWrapMode(GpLineGradient *line,
GpWrapMode wrap)
{
if(!line || wrap == WrapModeClamp)
return InvalidParameter;
line->wrap = wrap;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPathGradientCenterColor(GpPathGradient *grad,
ARGB argb)
{
if(!grad)
return InvalidParameter;
grad->centercolor = argb;
grad->brush.lb.lbColor = ARGB2COLORREF(argb);
DeleteObject(grad->brush.gdibrush);
grad->brush.gdibrush = CreateSolidBrush(grad->brush.lb.lbColor);
return Ok;
}
GpStatus WINGDIPAPI GdipSetPathGradientCenterPoint(GpPathGradient *grad,
GpPointF *point)
{
if(!grad || !point)
return InvalidParameter;
grad->center.X = point->X;
grad->center.Y = point->Y;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPathGradientCenterPointI(GpPathGradient *grad,
GpPoint *point)
{
GpPointF ptf;
if(!point)
return InvalidParameter;
ptf.X = (REAL)point->X;
ptf.Y = (REAL)point->Y;
return GdipSetPathGradientCenterPoint(grad,&ptf);
}
GpStatus WINGDIPAPI GdipSetPathGradientFocusScales(GpPathGradient *grad,
REAL x, REAL y)
{
if(!grad)
return InvalidParameter;
grad->focus.X = x;
grad->focus.Y = y;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPathGradientGammaCorrection(GpPathGradient *grad,
BOOL gamma)
{
if(!grad)
return InvalidParameter;
grad->gamma = gamma;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPathGradientSigmaBlend(GpPathGradient *grad,
REAL focus, REAL scale)
{
static int calls;
if(!grad || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetPathGradientSurroundColorsWithCount(GpPathGradient
*grad, ARGB *argb, INT *count)
{
static int calls;
if(!grad || !argb || !count || (*count <= 0) ||
(*count > grad->pathdata.Count))
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetPathGradientWrapMode(GpPathGradient *grad,
GpWrapMode wrap)
{
if(!grad)
return InvalidParameter;
grad->wrap = wrap;
return Ok;
}
GpStatus WINGDIPAPI GdipSetSolidFillColor(GpSolidFill *sf, ARGB argb)
{
if(!sf)
return InvalidParameter;
sf->color = argb;
sf->brush.lb.lbColor = ARGB2COLORREF(argb);
DeleteObject(sf->brush.gdibrush);
sf->brush.gdibrush = CreateSolidBrush(sf->brush.lb.lbColor);
return Ok;
}
GpStatus WINGDIPAPI GdipSetTextureTransform(GpTexture *texture,
GDIPCONST GpMatrix *matrix)
{
static int calls;
if(!texture || !matrix)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return Ok;
}
GpStatus WINGDIPAPI GdipSetLineColors(GpLineGradient *brush, ARGB color1,
ARGB color2)
{
if(!brush)
return InvalidParameter;
brush->startcolor = color1;
brush->endcolor = color2;
return Ok;
}
GpStatus WINGDIPAPI GdipGetLineColors(GpLineGradient *brush, ARGB *colors)
{
if(!brush || !colors)
return InvalidParameter;
colors[0] = brush->startcolor;
colors[1] = brush->endcolor;
return Ok;
}
GpStatus WINGDIPAPI GdipSetLineLinearBlend(GpLineGradient *brush, REAL focus,
REAL scale)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetLinePresetBlend(GpLineGradient *brush,
GDIPCONST ARGB *blend, GDIPCONST REAL* positions, INT count)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetLineTransform(GpLineGradient *brush,
GDIPCONST GpMatrix *matrix)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetLineRect(GpLineGradient *brush, GpRectF *rect)
{
if(!brush || !rect)
return InvalidParameter;
rect->X = (brush->startpoint.X < brush->endpoint.X ? brush->startpoint.X: brush->endpoint.X);
rect->Y = (brush->startpoint.Y < brush->endpoint.Y ? brush->startpoint.Y: brush->endpoint.Y);
rect->Width = fabs(brush->startpoint.X - brush->endpoint.X);
rect->Height = fabs(brush->startpoint.Y - brush->endpoint.Y);
return Ok;
}
GpStatus WINGDIPAPI GdipGetLineRectI(GpLineGradient *brush, GpRect *rect)
{
GpRectF rectF;
GpStatus ret;
ret = GdipGetLineRect(brush, &rectF);
if(ret == Ok){
rect->X = roundr(rectF.X);
rect->Y = roundr(rectF.Y);
rect->Width = roundr(rectF.Width);
rect->Height = roundr(rectF.Height);
}
return ret;
}