blob: fae1883f4d3c4d9ea1b81db7f8e6ce503b0112c2 [file] [log] [blame]
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "../../../include/fxge/fx_ge.h"
#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
#include <windows.h>
#include <algorithm>
namespace Gdiplus {
using std::min;
using std::max;
} // namespace Gdiplus
#include <gdiplus.h>
#include "../../../include/fxge/fx_ge_win32.h"
#include "win32_int.h"
using namespace Gdiplus;
using namespace Gdiplus::DllExports;
#define GdiFillType2Gdip(fill_type) (fill_type == ALTERNATE ? FillModeAlternate : FillModeWinding)
static CombineMode GdiCombineMode2Gdip(int mode)
{
switch (mode) {
case RGN_AND:
return CombineModeIntersect;
}
return CombineModeIntersect;
}
enum {
FuncId_GdipCreatePath2,
FuncId_GdipSetPenDashStyle,
FuncId_GdipSetPenDashArray,
FuncId_GdipSetPenDashCap197819,
FuncId_GdipSetPenLineJoin,
FuncId_GdipSetPenWidth,
FuncId_GdipCreateFromHDC,
FuncId_GdipSetPageUnit,
FuncId_GdipSetSmoothingMode,
FuncId_GdipCreateSolidFill,
FuncId_GdipFillPath,
FuncId_GdipDeleteBrush,
FuncId_GdipCreatePen1,
FuncId_GdipSetPenMiterLimit,
FuncId_GdipDrawPath,
FuncId_GdipDeletePen,
FuncId_GdipDeletePath,
FuncId_GdipDeleteGraphics,
FuncId_GdipCreateBitmapFromFileICM,
FuncId_GdipCreateBitmapFromStreamICM,
FuncId_GdipGetImageHeight,
FuncId_GdipGetImageWidth,
FuncId_GdipGetImagePixelFormat,
FuncId_GdipBitmapLockBits,
FuncId_GdipGetImagePaletteSize,
FuncId_GdipGetImagePalette,
FuncId_GdipBitmapUnlockBits,
FuncId_GdipDisposeImage,
FuncId_GdipFillRectangle,
FuncId_GdipCreateBitmapFromScan0,
FuncId_GdipSetImagePalette,
FuncId_GdipSetInterpolationMode,
FuncId_GdipDrawImagePointsI,
FuncId_GdipCreateBitmapFromGdiDib,
FuncId_GdiplusStartup,
FuncId_GdipDrawLineI,
FuncId_GdipResetClip,
FuncId_GdipCreatePath,
FuncId_GdipAddPathPath,
FuncId_GdipSetPathFillMode,
FuncId_GdipSetClipPath,
FuncId_GdipGetClip,
FuncId_GdipCreateRegion,
FuncId_GdipGetClipBoundsI,
FuncId_GdipSetClipRegion,
FuncId_GdipWidenPath,
FuncId_GdipAddPathLine,
FuncId_GdipAddPathRectangle,
FuncId_GdipDeleteRegion,
FuncId_GdipGetDC,
FuncId_GdipReleaseDC,
FuncId_GdipSetPenLineCap197819,
FuncId_GdipSetPenDashOffset,
FuncId_GdipResetPath,
FuncId_GdipCreateRegionPath,
FuncId_GdipCreateFont,
FuncId_GdipGetFontSize,
FuncId_GdipCreateFontFamilyFromName,
FuncId_GdipSetTextRenderingHint,
FuncId_GdipDrawDriverString,
FuncId_GdipCreateMatrix2,
FuncId_GdipDeleteMatrix,
FuncId_GdipSetWorldTransform,
FuncId_GdipResetWorldTransform,
FuncId_GdipDeleteFontFamily,
FuncId_GdipDeleteFont,
FuncId_GdipNewPrivateFontCollection,
FuncId_GdipDeletePrivateFontCollection,
FuncId_GdipPrivateAddMemoryFont,
FuncId_GdipGetFontCollectionFamilyList,
FuncId_GdipGetFontCollectionFamilyCount,
FuncId_GdipSetTextContrast,
FuncId_GdipSetPixelOffsetMode,
FuncId_GdipGetImageGraphicsContext,
FuncId_GdipDrawImageI,
FuncId_GdipDrawImageRectI,
FuncId_GdipDrawString,
FuncId_GdipSetPenTransform,
};
static LPCSTR g_GdipFuncNames[] = {
"GdipCreatePath2",
"GdipSetPenDashStyle",
"GdipSetPenDashArray",
"GdipSetPenDashCap197819",
"GdipSetPenLineJoin",
"GdipSetPenWidth",
"GdipCreateFromHDC",
"GdipSetPageUnit",
"GdipSetSmoothingMode",
"GdipCreateSolidFill",
"GdipFillPath",
"GdipDeleteBrush",
"GdipCreatePen1",
"GdipSetPenMiterLimit",
"GdipDrawPath",
"GdipDeletePen",
"GdipDeletePath",
"GdipDeleteGraphics",
"GdipCreateBitmapFromFileICM",
"GdipCreateBitmapFromStreamICM",
"GdipGetImageHeight",
"GdipGetImageWidth",
"GdipGetImagePixelFormat",
"GdipBitmapLockBits",
"GdipGetImagePaletteSize",
"GdipGetImagePalette",
"GdipBitmapUnlockBits",
"GdipDisposeImage",
"GdipFillRectangle",
"GdipCreateBitmapFromScan0",
"GdipSetImagePalette",
"GdipSetInterpolationMode",
"GdipDrawImagePointsI",
"GdipCreateBitmapFromGdiDib",
"GdiplusStartup",
"GdipDrawLineI",
"GdipResetClip",
"GdipCreatePath",
"GdipAddPathPath",
"GdipSetPathFillMode",
"GdipSetClipPath",
"GdipGetClip",
"GdipCreateRegion",
"GdipGetClipBoundsI",
"GdipSetClipRegion",
"GdipWidenPath",
"GdipAddPathLine",
"GdipAddPathRectangle",
"GdipDeleteRegion",
"GdipGetDC",
"GdipReleaseDC",
"GdipSetPenLineCap197819",
"GdipSetPenDashOffset",
"GdipResetPath",
"GdipCreateRegionPath",
"GdipCreateFont",
"GdipGetFontSize",
"GdipCreateFontFamilyFromName",
"GdipSetTextRenderingHint",
"GdipDrawDriverString",
"GdipCreateMatrix2",
"GdipDeleteMatrix",
"GdipSetWorldTransform",
"GdipResetWorldTransform",
"GdipDeleteFontFamily",
"GdipDeleteFont",
"GdipNewPrivateFontCollection",
"GdipDeletePrivateFontCollection",
"GdipPrivateAddMemoryFont",
"GdipGetFontCollectionFamilyList",
"GdipGetFontCollectionFamilyCount",
"GdipSetTextContrast",
"GdipSetPixelOffsetMode",
"GdipGetImageGraphicsContext",
"GdipDrawImageI",
"GdipDrawImageRectI",
"GdipDrawString",
"GdipSetPenTransform",
};
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreatePath2)(GDIPCONST GpPointF*, GDIPCONST BYTE*, INT, GpFillMode, GpPath **path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenDashStyle)(GpPen *pen, GpDashStyle dashstyle);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenDashArray)(GpPen *pen, GDIPCONST REAL *dash, INT count);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenDashCap197819)(GpPen *pen, GpDashCap dashCap);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenLineJoin)(GpPen *pen, GpLineJoin lineJoin);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenWidth)(GpPen *pen, REAL width);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateFromHDC)(HDC hdc, GpGraphics **graphics);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPageUnit)(GpGraphics *graphics, GpUnit unit);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetSmoothingMode)(GpGraphics *graphics, SmoothingMode smoothingMode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateSolidFill)(ARGB color, GpSolidFill **brush);
typedef GpStatus (WINGDIPAPI *FuncType_GdipFillPath)(GpGraphics *graphics, GpBrush *brush, GpPath *path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteBrush)(GpBrush *brush);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreatePen1)(ARGB color, REAL width, GpUnit unit, GpPen **pen);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenMiterLimit)(GpPen *pen, REAL miterLimit);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawPath)(GpGraphics *graphics, GpPen *pen, GpPath *path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeletePen)(GpPen *pen);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeletePath)(GpPath* path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteGraphics)(GpGraphics *graphics);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateBitmapFromFileICM)(GDIPCONST WCHAR* filename, GpBitmap **bitmap);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateBitmapFromStreamICM)(IStream* stream, GpBitmap **bitmap);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImageWidth)(GpImage *image, UINT *width);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImageHeight)(GpImage *image, UINT *height);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImagePixelFormat)(GpImage *image, PixelFormat *format);
typedef GpStatus (WINGDIPAPI *FuncType_GdipBitmapLockBits)(GpBitmap* bitmap, GDIPCONST GpRect* rect, UINT flags, PixelFormat format, BitmapData* lockedBitmapData);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImagePalette)(GpImage *image, ColorPalette *palette, INT size);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImagePaletteSize)(GpImage *image, INT *size);
typedef GpStatus (WINGDIPAPI *FuncType_GdipBitmapUnlockBits)(GpBitmap* bitmap, BitmapData* lockedBitmapData);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDisposeImage)(GpImage *image);
typedef GpStatus (WINGDIPAPI *FuncType_GdipFillRectangle)(GpGraphics *graphics, GpBrush *brush, REAL x, REAL y, REAL width, REAL height);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateBitmapFromScan0)(INT width, INT height, INT stride, PixelFormat format, BYTE* scan0, GpBitmap** bitmap);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetImagePalette)(GpImage *image, GDIPCONST ColorPalette *palette);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetInterpolationMode)(GpGraphics *graphics, InterpolationMode interpolationMode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawImagePointsI)(GpGraphics *graphics, GpImage *image, GDIPCONST GpPoint *dstpoints, INT count);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateBitmapFromGdiDib)(GDIPCONST BITMAPINFO* gdiBitmapInfo, VOID* gdiBitmapData, GpBitmap** bitmap);
typedef Status (WINAPI *FuncType_GdiplusStartup)(OUT FX_UINTPTR *token, const GdiplusStartupInput *input, OUT GdiplusStartupOutput *output);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawLineI)(GpGraphics *graphics, GpPen *pen, int x1, int y1, int x2, int y2);
typedef GpStatus (WINGDIPAPI *FuncType_GdipResetClip)(GpGraphics *graphics);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreatePath)(GpFillMode brushMode, GpPath **path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipAddPathPath)(GpPath *path, GDIPCONST GpPath* addingPath, BOOL connect);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPathFillMode)(GpPath *path, GpFillMode fillmode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetClipPath)(GpGraphics *graphics, GpPath *path, CombineMode combineMode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetClip)(GpGraphics *graphics, GpRegion *region);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateRegion)(GpRegion **region);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetClipBoundsI)(GpGraphics *graphics, GpRect *rect);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetClipRegion)(GpGraphics *graphics, GpRegion *region, CombineMode combineMode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipWidenPath)(GpPath *nativePath, GpPen *pen, GpMatrix *matrix, REAL flatness);
typedef GpStatus (WINGDIPAPI *FuncType_GdipAddPathLine)(GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2);
typedef GpStatus (WINGDIPAPI *FuncType_GdipAddPathRectangle)(GpPath *path, REAL x, REAL y, REAL width, REAL height);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteRegion)(GpRegion *region);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetDC)(GpGraphics* graphics, HDC * hdc);
typedef GpStatus (WINGDIPAPI *FuncType_GdipReleaseDC)(GpGraphics* graphics, HDC hdc);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenLineCap197819)(GpPen *pen, GpLineCap startCap, GpLineCap endCap, GpDashCap dashCap);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenDashOffset)(GpPen *pen, REAL offset);
typedef GpStatus (WINGDIPAPI *FuncType_GdipResetPath)(GpPath *path);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateRegionPath)(GpPath *path, GpRegion **region);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateFont)(GDIPCONST GpFontFamily *fontFamily, REAL emSize, INT style, Unit unit, GpFont **font);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetFontSize)(GpFont *font, REAL *size);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateFontFamilyFromName)(GDIPCONST WCHAR *name, GpFontCollection *fontCollection, GpFontFamily **FontFamily);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetTextRenderingHint)(GpGraphics *graphics, TextRenderingHint mode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawDriverString)(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length, GDIPCONST GpFont *font, GDIPCONST GpBrush *brush, GDIPCONST PointF *positions, INT flags, GDIPCONST GpMatrix *matrix);
typedef GpStatus (WINGDIPAPI *FuncType_GdipCreateMatrix2)(REAL m11, REAL m12, REAL m21, REAL m22, REAL dx, REAL dy, GpMatrix **matrix);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteMatrix)(GpMatrix *matrix);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetWorldTransform)(GpGraphics *graphics, GpMatrix *matrix);
typedef GpStatus (WINGDIPAPI *FuncType_GdipResetWorldTransform)(GpGraphics *graphics);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteFontFamily)(GpFontFamily *FontFamily);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeleteFont)(GpFont* font);
typedef GpStatus (WINGDIPAPI *FuncType_GdipNewPrivateFontCollection)(GpFontCollection** fontCollection);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDeletePrivateFontCollection)(GpFontCollection** fontCollection);
typedef GpStatus (WINGDIPAPI *FuncType_GdipPrivateAddMemoryFont)(GpFontCollection* fontCollection, GDIPCONST void* memory, INT length);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetFontCollectionFamilyList)(GpFontCollection* fontCollection, INT numSought, GpFontFamily* gpfamilies[], INT* numFound);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetFontCollectionFamilyCount)(GpFontCollection* fontCollection, INT* numFound);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetTextContrast)(GpGraphics *graphics, UINT contrast);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPixelOffsetMode)(GpGraphics* graphics, PixelOffsetMode pixelOffsetMode);
typedef GpStatus (WINGDIPAPI *FuncType_GdipGetImageGraphicsContext)(GpImage *image, GpGraphics **graphics);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawImageI)(GpGraphics *graphics, GpImage *image, INT x, INT y);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawImageRectI)(GpGraphics *graphics, GpImage *image, INT x, INT y, INT width, INT height);
typedef GpStatus (WINGDIPAPI *FuncType_GdipDrawString)(GpGraphics *graphics, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, GDIPCONST RectF *layoutRect, GDIPCONST GpStringFormat *stringFormat, GDIPCONST GpBrush *brush);
typedef GpStatus (WINGDIPAPI *FuncType_GdipSetPenTransform)(GpPen *pen, GpMatrix *matrix);
#define CallFunc(funcname) ((FuncType_##funcname)GdiplusExt.m_Functions[FuncId_##funcname])
typedef HANDLE (__stdcall *FuncType_GdiAddFontMemResourceEx)(PVOID pbFont, DWORD cbFont, PVOID pdv, DWORD *pcFonts);
typedef BOOL (__stdcall *FuncType_GdiRemoveFontMemResourceEx)(HANDLE handle);
void* CGdiplusExt::GdiAddFontMemResourceEx(void *pFontdata, FX_DWORD size, void* pdv, FX_DWORD* num_face)
{
if (m_pGdiAddFontMemResourceEx) {
return ((FuncType_GdiAddFontMemResourceEx)m_pGdiAddFontMemResourceEx)((PVOID)pFontdata, (DWORD)size, (PVOID)pdv, (DWORD*)num_face);
}
return NULL;
}
FX_BOOL CGdiplusExt::GdiRemoveFontMemResourceEx(void* handle)
{
if (m_pGdiRemoveFontMemResourseEx) {
return ((FuncType_GdiRemoveFontMemResourceEx)m_pGdiRemoveFontMemResourseEx)((HANDLE)handle);
}
return FALSE;
}
static GpBrush* _GdipCreateBrush(DWORD argb)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpSolidFill* solidBrush = NULL;
CallFunc(GdipCreateSolidFill)((ARGB)argb, &solidBrush);
return solidBrush;
}
static CFX_DIBitmap* _StretchMonoToGray(int dest_width, int dest_height,
const CFX_DIBitmap* pSource, FX_RECT* pClipRect)
{
FX_BOOL bFlipX = dest_width < 0;
if (bFlipX) {
dest_width = -dest_width;
}
FX_BOOL bFlipY = dest_height < 0;
if (bFlipY) {
dest_height = -dest_height;
}
int result_width = pClipRect->Width();
int result_height = pClipRect->Height();
int result_pitch = (result_width + 3) / 4 * 4;
CFX_DIBitmap* pStretched = new CFX_DIBitmap;
if (!pStretched->Create(result_width, result_height, FXDIB_8bppRgb)) {
delete pStretched;
return NULL;
}
LPBYTE dest_buf = pStretched->GetBuffer();
int src_width = pSource->GetWidth();
int src_height = pSource->GetHeight();
int src_count = src_width * src_height;
int dest_count = dest_width * dest_height;
int ratio = 255 * dest_count / src_count;
int y_unit = src_height / dest_height;
int x_unit = src_width / dest_width;
int area_unit = y_unit * x_unit;
LPBYTE src_buf = pSource->GetBuffer();
int src_pitch = pSource->GetPitch();
for (int dest_y = 0; dest_y < result_height; dest_y ++) {
LPBYTE dest_scan = dest_buf + dest_y * result_pitch;
int src_y_start = bFlipY ? (dest_height - 1 - dest_y - pClipRect->top) : (dest_y + pClipRect->top);
src_y_start = src_y_start * src_height / dest_height;
LPBYTE src_scan = src_buf + src_y_start * src_pitch;
for (int dest_x = 0; dest_x < result_width; dest_x ++) {
int sum = 0;
int src_x_start = bFlipX ? (dest_width - 1 - dest_x - pClipRect->left) : (dest_x + pClipRect->left);
src_x_start = src_x_start * src_width / dest_width;
int src_x_end = src_x_start + x_unit;
LPBYTE src_line = src_scan;
for (int src_y = 0; src_y < y_unit; src_y ++) {
for (int src_x = src_x_start; src_x < src_x_end; src_x ++) {
if (!(src_line[src_x / 8] & (1 << (7 - src_x % 8)))) {
sum += 255;
}
}
src_line += src_pitch;
}
dest_scan[dest_x] = 255 - sum / area_unit;
}
}
return pStretched;
}
static void OutputImageMask(GpGraphics* pGraphics, BOOL bMonoDevice, const CFX_DIBitmap* pBitmap, int dest_left, int dest_top,
int dest_width, int dest_height, FX_ARGB argb, const FX_RECT* pClipRect)
{
ASSERT(pBitmap->GetBPP() == 1);
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
int src_width = pBitmap->GetWidth(), src_height = pBitmap->GetHeight();
int src_pitch = pBitmap->GetPitch();
FX_LPBYTE scan0 = pBitmap->GetBuffer();
if (src_width == 1 && src_height == 1) {
if ((scan0[0] & 0x80) == 0) {
return;
}
GpSolidFill* solidBrush;
CallFunc(GdipCreateSolidFill)((ARGB)argb, &solidBrush);
if (dest_width < 0) {
dest_width = -dest_width;
dest_left -= dest_width;
}
if (dest_height < 0) {
dest_height = -dest_height;
dest_top -= dest_height;
}
CallFunc(GdipFillRectangle)(pGraphics, solidBrush, (float)dest_left, (float)dest_top,
(float)dest_width, (float)dest_height);
CallFunc(GdipDeleteBrush)(solidBrush);
return;
}
if (!bMonoDevice && abs(dest_width) < src_width && abs(dest_height) < src_height) {
FX_RECT image_rect(dest_left, dest_top, dest_left + dest_width, dest_top + dest_height);
image_rect.Normalize();
FX_RECT image_clip = image_rect;
image_clip.Intersect(*pClipRect);
if (image_clip.IsEmpty()) {
return;
}
image_clip.Offset(-image_rect.left, -image_rect.top);
CFX_DIBitmap* pStretched = NULL;
if (src_width * src_height > 10000) {
pStretched = _StretchMonoToGray(dest_width, dest_height, pBitmap, &image_clip);
} else {
pStretched = pBitmap->StretchTo(dest_width, dest_height, FALSE, &image_clip);
}
GpBitmap* bitmap;
CallFunc(GdipCreateBitmapFromScan0)(image_clip.Width(), image_clip.Height(),
(image_clip.Width() + 3) / 4 * 4, PixelFormat8bppIndexed, pStretched->GetBuffer(), &bitmap);
int a, r, g, b;
ArgbDecode(argb, a, r, g, b);
UINT pal[258];
pal[0] = 0;
pal[1] = 256;
for (int i = 0; i < 256; i ++) {
pal[i + 2] = ArgbEncode(i * a / 255, r, g, b);
}
CallFunc(GdipSetImagePalette)(bitmap, (ColorPalette*)pal);
CallFunc(GdipDrawImageI)(pGraphics, bitmap, image_rect.left + image_clip.left,
image_rect.top + image_clip.top);
CallFunc(GdipDisposeImage)(bitmap);
delete pStretched;
return;
}
GpBitmap* bitmap;
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch, PixelFormat1bppIndexed, scan0, &bitmap);
UINT palette[4] = { PaletteFlagsHasAlpha, 2, 0, argb };
CallFunc(GdipSetImagePalette)(bitmap, (ColorPalette*)palette);
Point destinationPoints[] = {
Point(dest_left, dest_top),
Point(dest_left + dest_width, dest_top),
Point(dest_left, dest_top + dest_height)
};
CallFunc(GdipDrawImagePointsI)(pGraphics, bitmap, destinationPoints, 3);
CallFunc(GdipDisposeImage)(bitmap);
}
static void OutputImage(GpGraphics* pGraphics, const CFX_DIBitmap* pBitmap, const FX_RECT* pSrcRect,
int dest_left, int dest_top, int dest_width, int dest_height)
{
int src_width = pSrcRect->Width(), src_height = pSrcRect->Height();
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
if (pBitmap->GetBPP() == 1 && (pSrcRect->left % 8)) {
FX_RECT new_rect(0, 0, src_width, src_height);
CFX_DIBitmap* pCloned = pBitmap->Clone(pSrcRect);
if (!pCloned) {
return;
}
OutputImage(pGraphics, pCloned, &new_rect, dest_left, dest_top, dest_width, dest_height);
delete pCloned;
return;
}
int src_pitch = pBitmap->GetPitch();
FX_LPBYTE scan0 = pBitmap->GetBuffer() + pSrcRect->top * src_pitch + pBitmap->GetBPP() * pSrcRect->left / 8;
GpBitmap* bitmap = NULL;
switch (pBitmap->GetFormat()) {
case FXDIB_Argb:
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch,
PixelFormat32bppARGB, scan0, &bitmap);
break;
case FXDIB_Rgb32:
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch,
PixelFormat32bppRGB, scan0, &bitmap);
break;
case FXDIB_Rgb:
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch,
PixelFormat24bppRGB, scan0, &bitmap);
break;
case FXDIB_8bppRgb: {
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch,
PixelFormat8bppIndexed, scan0, &bitmap);
UINT pal[258];
pal[0] = 0;
pal[1] = 256;
for (int i = 0; i < 256; i ++) {
pal[i + 2] = pBitmap->GetPaletteEntry(i);
}
CallFunc(GdipSetImagePalette)(bitmap, (ColorPalette*)pal);
break;
}
case FXDIB_1bppRgb: {
CallFunc(GdipCreateBitmapFromScan0)(src_width, src_height, src_pitch,
PixelFormat1bppIndexed, scan0, &bitmap);
break;
}
}
if (dest_height < 0) {
dest_height --;
}
if (dest_width < 0) {
dest_width --;
}
Point destinationPoints[] = {
Point(dest_left, dest_top),
Point(dest_left + dest_width, dest_top),
Point(dest_left, dest_top + dest_height)
};
CallFunc(GdipDrawImagePointsI)(pGraphics, bitmap, destinationPoints, 3);
CallFunc(GdipDisposeImage)(bitmap);
}
CGdiplusExt::CGdiplusExt()
{
m_hModule = NULL;
m_GdiModule = NULL;
for (int i = 0; i < sizeof g_GdipFuncNames / sizeof(LPCSTR); i ++) {
m_Functions[i] = NULL;
}
m_pGdiAddFontMemResourceEx = NULL;
m_pGdiRemoveFontMemResourseEx = NULL;
}
void CGdiplusExt::Load()
{
CFX_ByteString strPlusPath = "";
FX_CHAR buf[MAX_PATH];
GetSystemDirectoryA(buf, MAX_PATH);
strPlusPath += buf;
strPlusPath += "\\";
strPlusPath += "GDIPLUS.DLL";
m_hModule = LoadLibraryA(strPlusPath);
if (m_hModule == NULL) {
return;
}
for (int i = 0; i < sizeof g_GdipFuncNames / sizeof(LPCSTR); i ++) {
m_Functions[i] = GetProcAddress(m_hModule, g_GdipFuncNames[i]);
if (m_Functions[i] == NULL) {
m_hModule = NULL;
return;
}
}
FX_UINTPTR gdiplusToken;
GdiplusStartupInput gdiplusStartupInput;
((FuncType_GdiplusStartup)m_Functions[FuncId_GdiplusStartup])(&gdiplusToken, &gdiplusStartupInput, NULL);
m_GdiModule = LoadLibraryA("GDI32.DLL");
if (m_GdiModule == NULL) {
return;
}
m_pGdiAddFontMemResourceEx = GetProcAddress(m_GdiModule, "AddFontMemResourceEx");
m_pGdiRemoveFontMemResourseEx = GetProcAddress(m_GdiModule, "RemoveFontMemResourceEx");
}
CGdiplusExt::~CGdiplusExt()
{
}
LPVOID CGdiplusExt::LoadMemFont(LPBYTE pData, FX_DWORD size)
{
GpFontCollection* pCollection = NULL;
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipNewPrivateFontCollection)(&pCollection);
GpStatus status = CallFunc(GdipPrivateAddMemoryFont)(pCollection, pData, size);
if (status == Ok) {
return pCollection;
}
CallFunc(GdipDeletePrivateFontCollection)(&pCollection);
return NULL;
}
void CGdiplusExt::DeleteMemFont(LPVOID pCollection)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeletePrivateFontCollection)((GpFontCollection**)&pCollection);
}
FX_BOOL CGdiplusExt::GdipCreateBitmap(CFX_DIBitmap* pBitmap, void**bitmap)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
PixelFormat format;
switch (pBitmap->GetFormat()) {
case FXDIB_Rgb:
format = PixelFormat24bppRGB;
break;
case FXDIB_Rgb32:
format = PixelFormat32bppRGB;
break;
case FXDIB_Argb:
format = PixelFormat32bppARGB;
break;
default:
return FALSE;
}
GpStatus status = CallFunc(GdipCreateBitmapFromScan0)(pBitmap->GetWidth(), pBitmap->GetHeight(),
pBitmap->GetPitch(), format, pBitmap->GetBuffer(), (GpBitmap**)bitmap);
if (status == Ok) {
return TRUE;
}
return FALSE;
}
FX_BOOL CGdiplusExt::GdipCreateFromImage(void* bitmap, void** graphics)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpStatus status = CallFunc(GdipGetImageGraphicsContext)((GpBitmap*)bitmap, (GpGraphics**)graphics);
if (status == Ok) {
return TRUE;
}
return FALSE;
}
FX_BOOL CGdiplusExt::GdipCreateFontFamilyFromName(FX_LPCWSTR name, void* pFontCollection, void**pFamily)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpStatus status = CallFunc(GdipCreateFontFamilyFromName)((GDIPCONST WCHAR *)name, (GpFontCollection*)pFontCollection, (GpFontFamily**)pFamily);
if (status == Ok) {
return TRUE;
}
return FALSE;
}
FX_BOOL CGdiplusExt::GdipCreateFontFromFamily(void* pFamily, FX_FLOAT font_size, int fontstyle, int flag, void** pFont)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpStatus status = CallFunc(GdipCreateFont)((GpFontFamily*)pFamily, font_size, fontstyle, Unit(flag), (GpFont**)pFont);
if (status == Ok) {
return TRUE;
}
return FALSE;
}
void CGdiplusExt::GdipGetFontSize(void *pFont, FX_FLOAT *size)
{
REAL get_size;
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpStatus status = CallFunc(GdipGetFontSize)((GpFont *)pFont, (REAL*)&get_size);
if (status == Ok) {
*size = (FX_FLOAT)get_size;
} else {
*size = 0;
}
}
void CGdiplusExt::GdipSetTextRenderingHint(void* graphics, int mode)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipSetTextRenderingHint)((GpGraphics*)graphics, (TextRenderingHint)mode);
}
void CGdiplusExt::GdipSetPageUnit(void* graphics, FX_DWORD unit)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipSetPageUnit)((GpGraphics*)graphics, (GpUnit)unit);
}
FX_BOOL CGdiplusExt::GdipDrawDriverString(void *graphics, unsigned short *text, int length,
void *font, void* brush, void *positions, int flags, const void *matrix)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpStatus status = CallFunc(GdipDrawDriverString)((GpGraphics*)graphics, (GDIPCONST UINT16 *)text, (INT)length, (GDIPCONST GpFont *)font, (GDIPCONST GpBrush*)brush,
(GDIPCONST PointF *)positions, (INT)flags, (GDIPCONST GpMatrix *)matrix);
if (status == Ok) {
return TRUE;
}
return FALSE;
}
void CGdiplusExt::GdipCreateBrush(FX_DWORD fill_argb, void** pBrush)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipCreateSolidFill)((ARGB)fill_argb, (GpSolidFill**)pBrush);
}
void CGdiplusExt::GdipDeleteBrush(void* pBrush)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeleteBrush)((GpSolidFill*)pBrush);
}
void* CGdiplusExt::GdipCreateFontFromCollection(void* pFontCollection, FX_FLOAT font_size, int fontstyle)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
int numFamilies = 0;
GpStatus status = CallFunc(GdipGetFontCollectionFamilyCount)((GpFontCollection*)pFontCollection, &numFamilies);
if (status != Ok) {
return NULL;
}
GpFontFamily* family_list[1];
status = CallFunc(GdipGetFontCollectionFamilyList)((GpFontCollection*)pFontCollection, 1, family_list, &numFamilies);
if (status != Ok) {
return NULL;
}
GpFont* pFont = NULL;
status = CallFunc(GdipCreateFont)(family_list[0], font_size, fontstyle, UnitPixel, &pFont);
if (status != Ok) {
return NULL;
}
return pFont;
}
void CGdiplusExt::GdipCreateMatrix(FX_FLOAT a, FX_FLOAT b, FX_FLOAT c, FX_FLOAT d, FX_FLOAT e, FX_FLOAT f, void** matrix)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipCreateMatrix2)(a, b, c, d, e, f, (GpMatrix**)matrix);
}
void CGdiplusExt::GdipDeleteMatrix(void* matrix)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeleteMatrix)((GpMatrix*)matrix);
}
void CGdiplusExt::GdipDeleteFontFamily(void* pFamily)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeleteFontFamily)((GpFontFamily*)pFamily);
}
void CGdiplusExt::GdipDeleteFont(void* pFont)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeleteFont)((GpFont*)pFont);
}
void CGdiplusExt::GdipSetWorldTransform(void* graphics, void* pMatrix)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipSetWorldTransform)((GpGraphics*)graphics, (GpMatrix*)pMatrix);
}
void CGdiplusExt::GdipDisposeImage(void* bitmap)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDisposeImage)((GpBitmap*)bitmap);
}
void CGdiplusExt::GdipDeleteGraphics(void* graphics)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipDeleteGraphics)((GpGraphics*)graphics);
}
FX_BOOL CGdiplusExt::StretchBitMask(HDC hDC, BOOL bMonoDevice, const CFX_DIBitmap* pBitmap, int dest_left, int dest_top,
int dest_width, int dest_height, FX_DWORD argb, const FX_RECT* pClipRect, int flags)
{
ASSERT(pBitmap->GetBPP() == 1);
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
GpGraphics* pGraphics = NULL;
CallFunc(GdipCreateFromHDC)(hDC, &pGraphics);
CallFunc(GdipSetPageUnit)(pGraphics, UnitPixel);
if (flags & FXDIB_NOSMOOTH) {
CallFunc(GdipSetInterpolationMode)(pGraphics, InterpolationModeNearestNeighbor);
} else {
CallFunc(GdipSetInterpolationMode)(pGraphics, InterpolationModeHighQuality);
}
OutputImageMask(pGraphics, bMonoDevice, pBitmap, dest_left, dest_top, dest_width, dest_height, argb, pClipRect);
CallFunc(GdipDeleteGraphics)(pGraphics);
return TRUE;
}
FX_BOOL CGdiplusExt::StretchDIBits(HDC hDC, const CFX_DIBitmap* pBitmap, int dest_left, int dest_top,
int dest_width, int dest_height, const FX_RECT* pClipRect, int flags)
{
GpGraphics* pGraphics;
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipCreateFromHDC)(hDC, &pGraphics);
CallFunc(GdipSetPageUnit)(pGraphics, UnitPixel);
if (flags & FXDIB_NOSMOOTH) {
CallFunc(GdipSetInterpolationMode)(pGraphics, InterpolationModeNearestNeighbor);
} else if (pBitmap->GetWidth() > abs(dest_width) / 2 || pBitmap->GetHeight() > abs(dest_height) / 2) {
CallFunc(GdipSetInterpolationMode)(pGraphics, InterpolationModeHighQuality);
} else {
CallFunc(GdipSetInterpolationMode)(pGraphics, InterpolationModeBilinear);
}
FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
OutputImage(pGraphics, pBitmap, &src_rect, dest_left, dest_top, dest_width, dest_height);
CallFunc(GdipDeleteGraphics)(pGraphics);
CallFunc(GdipDeleteGraphics)(pGraphics);
return TRUE;
}
static GpPen* _GdipCreatePen(const CFX_GraphStateData* pGraphState, const CFX_AffineMatrix* pMatrix, DWORD argb, FX_BOOL bTextMode = FALSE)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
FX_FLOAT width = pGraphState ? pGraphState->m_LineWidth : 1.0f;
if (!bTextMode) {
FX_FLOAT unit = pMatrix == NULL ? 1.0f : FXSYS_Div(1.0f, (pMatrix->GetXUnit() + pMatrix->GetYUnit()) / 2);
if (width < unit) {
width = unit;
}
}
GpPen* pPen = NULL;
CallFunc(GdipCreatePen1)((ARGB)argb, width, UnitWorld, &pPen);
LineCap lineCap;
DashCap dashCap = DashCapFlat;
FX_BOOL bDashExtend = FALSE;
switch(pGraphState->m_LineCap) {
case CFX_GraphStateData::LineCapButt:
lineCap = LineCapFlat;
break;
case CFX_GraphStateData::LineCapRound:
lineCap = LineCapRound;
dashCap = DashCapRound;
bDashExtend = TRUE;
break;
case CFX_GraphStateData::LineCapSquare:
lineCap = LineCapSquare;
bDashExtend = TRUE;
break;
}
CallFunc(GdipSetPenLineCap197819)(pPen, lineCap, lineCap, dashCap);
LineJoin lineJoin;
switch(pGraphState->m_LineJoin) {
case CFX_GraphStateData::LineJoinMiter:
lineJoin = LineJoinMiterClipped;
break;
case CFX_GraphStateData::LineJoinRound:
lineJoin = LineJoinRound;
break;
case CFX_GraphStateData::LineJoinBevel:
lineJoin = LineJoinBevel;
break;
}
CallFunc(GdipSetPenLineJoin)(pPen, lineJoin);
if(pGraphState->m_DashCount) {
FX_FLOAT* pDashArray = FX_Alloc(FX_FLOAT, pGraphState->m_DashCount + pGraphState->m_DashCount % 2);
if (!pDashArray) {
return NULL;
}
int nCount = 0;
FX_FLOAT on_leftover = 0, off_leftover = 0;
for (int i = 0; i < pGraphState->m_DashCount; i += 2) {
FX_FLOAT on_phase = pGraphState->m_DashArray[i];
FX_FLOAT off_phase;
if (i == pGraphState->m_DashCount - 1) {
off_phase = on_phase;
} else {
off_phase = pGraphState->m_DashArray[i + 1];
}
on_phase /= width;
off_phase /= width;
if (on_phase + off_phase <= 0.00002f) {
on_phase = 1.0f / 10;
off_phase = 1.0f / 10;
}
if (bDashExtend) {
if (off_phase < 1) {
off_phase = 0;
} else {
off_phase -= 1;
}
on_phase += 1;
}
if (on_phase == 0 || off_phase == 0) {
if (nCount == 0) {
on_leftover += on_phase;
off_leftover += off_phase;
} else {
pDashArray[nCount - 2] += on_phase;
pDashArray[nCount - 1] += off_phase;
}
} else {
pDashArray[nCount++] = on_phase + on_leftover;
on_leftover = 0;
pDashArray[nCount++] = off_phase + off_leftover;
off_leftover = 0;
}
}
CallFunc(GdipSetPenDashArray)(pPen, pDashArray, nCount);
FX_FLOAT phase = pGraphState->m_DashPhase;
if (bDashExtend)
if (phase < 0.5f) {
phase = 0;
} else {
phase -= 0.5f;
}
CallFunc(GdipSetPenDashOffset)(pPen, phase);
FX_Free(pDashArray);
pDashArray = NULL;
}
CallFunc(GdipSetPenMiterLimit)(pPen, pGraphState->m_MiterLimit);
return pPen;
}
static BOOL IsSmallTriangle(PointF* points, const CFX_AffineMatrix* pMatrix, int& v1, int& v2)
{
int pairs[] = {1, 2, 0, 2, 0, 1};
for (int i = 0; i < 3; i ++) {
int pair1 = pairs[i * 2];
int pair2 = pairs[i * 2 + 1];
FX_FLOAT x1 = points[pair1].X, x2 = points[pair2].X;
FX_FLOAT y1 = points[pair1].Y, y2 = points[pair2].Y;
if (pMatrix) {
pMatrix->Transform(x1, y1);
pMatrix->Transform(x2, y2);
}
FX_FLOAT dx = x1 - x2;
FX_FLOAT dy = y1 - y2;
FX_FLOAT distance_square = FXSYS_Mul(dx, dx) + FXSYS_Mul(dy, dy);
if (distance_square < (1.0f * 2 + 1.0f / 4)) {
v1 = i;
v2 = pair1;
return TRUE;
}
}
return FALSE;
}
BOOL CGdiplusExt::DrawPath(HDC hDC, const CFX_PathData* pPathData,
const CFX_AffineMatrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
FX_DWORD fill_argb,
FX_DWORD stroke_argb,
int fill_mode
)
{
int nPoints = pPathData->GetPointCount();
if (nPoints == 0) {
return TRUE;
}
FX_PATHPOINT* pPoints = pPathData->GetPoints();
GpGraphics* pGraphics = NULL;
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipCreateFromHDC)(hDC, &pGraphics);
CallFunc(GdipSetPageUnit)(pGraphics, UnitPixel);
CallFunc(GdipSetPixelOffsetMode)(pGraphics, PixelOffsetModeHalf);
GpMatrix* pMatrix = NULL;
if (pObject2Device) {
CallFunc(GdipCreateMatrix2)(pObject2Device->a, pObject2Device->b, pObject2Device->c, pObject2Device->d, pObject2Device->e, pObject2Device->f, &pMatrix);
CallFunc(GdipSetWorldTransform)(pGraphics, pMatrix);
}
PointF *points = FX_Alloc(PointF, nPoints);
if (!points) {
return FALSE;
}
BYTE * types = FX_Alloc(BYTE, nPoints);
if (!types) {
FX_Free(points);
return FALSE;
}
int nSubPathes = 0;
FX_BOOL bSubClose = FALSE;
int pos_subclose = 0;
FX_BOOL bSmooth = FALSE;
int startpoint = 0;
for(int i = 0; i < nPoints; i++) {
points[i].X = pPoints[i].m_PointX;
points[i].Y = pPoints[i].m_PointY;
FX_FLOAT x, y;
if (pObject2Device) {
pObject2Device->Transform(pPoints[i].m_PointX, pPoints[i].m_PointY, x, y);
} else {
x = pPoints[i].m_PointX;
y = pPoints[i].m_PointY;
}
if (x > 50000 * 1.0f) {
points[i].X = 50000 * 1.0f;
}
if (x < -50000 * 1.0f) {
points[i].X = -50000 * 1.0f;
}
if (y > 50000 * 1.0f) {
points[i].Y = 50000 * 1.0f;
}
if (y < -50000 * 1.0f) {
points[i].Y = -50000 * 1.0f;
}
int point_type = pPoints[i].m_Flag & FXPT_TYPE;
if(point_type == FXPT_MOVETO) {
types[i] = PathPointTypeStart;
nSubPathes ++;
bSubClose = FALSE;
startpoint = i;
} else if (point_type == FXPT_LINETO) {
types[i] = PathPointTypeLine;
if (pPoints[i - 1].m_Flag == FXPT_MOVETO && (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) &&
points[i].Y == points[i - 1].Y && points[i].X == points[i - 1].X) {
points[i].X += 0.01f;
continue;
}
if (!bSmooth && points[i].X != points[i - 1].X && points[i].Y != points[i - 1].Y) {
bSmooth = TRUE;
}
} else if (point_type == FXPT_BEZIERTO) {
types[i] = PathPointTypeBezier;
bSmooth = TRUE;
}
if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) {
if (bSubClose) {
types[pos_subclose] &= ~PathPointTypeCloseSubpath;
} else {
bSubClose = TRUE;
}
pos_subclose = i;
types[i] |= PathPointTypeCloseSubpath;
if (!bSmooth && points[i].X != points[startpoint].X && points[i].Y != points[startpoint].Y) {
bSmooth = TRUE;
}
}
}
if (fill_mode & FXFILL_NOPATHSMOOTH) {
bSmooth = FALSE;
CallFunc(GdipSetSmoothingMode)(pGraphics, SmoothingModeNone);
} else if (!(fill_mode & FXFILL_FULLCOVER)) {
if (!bSmooth && (fill_mode & 3)) {
bSmooth = TRUE;
}
if (bSmooth || pGraphState && pGraphState->m_LineWidth > 2) {
CallFunc(GdipSetSmoothingMode)(pGraphics, SmoothingModeAntiAlias);
}
}
int new_fill_mode = fill_mode & 3;
if (nPoints == 4 && pGraphState == NULL) {
int v1, v2;
if (IsSmallTriangle(points, pObject2Device, v1, v2)) {
GpPen* pPen = NULL;
CallFunc(GdipCreatePen1)(fill_argb, 1.0f, UnitPixel, &pPen);
CallFunc(GdipDrawLineI)(pGraphics, pPen, FXSYS_round(points[v1].X), FXSYS_round(points[v1].Y),
FXSYS_round(points[v2].X), FXSYS_round(points[v2].Y));
CallFunc(GdipDeletePen)(pPen);
return TRUE;
}
}
GpPath* pGpPath = NULL;
CallFunc(GdipCreatePath2)(points, types, nPoints, GdiFillType2Gdip(new_fill_mode), &pGpPath);
if (!pGpPath) {
if (pMatrix) {
CallFunc(GdipDeleteMatrix)(pMatrix);
}
FX_Free(points);
FX_Free(types);
CallFunc(GdipDeleteGraphics)(pGraphics);
return FALSE;
}
if (new_fill_mode) {
GpBrush* pBrush = _GdipCreateBrush(fill_argb);
CallFunc(GdipSetPathFillMode)(pGpPath, GdiFillType2Gdip(new_fill_mode));
CallFunc(GdipFillPath)(pGraphics, pBrush, pGpPath);
CallFunc(GdipDeleteBrush)(pBrush);
}
if (pGraphState && stroke_argb) {
GpPen* pPen = _GdipCreatePen(pGraphState, pObject2Device, stroke_argb, fill_mode & FX_STROKE_TEXT_MODE);
if (nSubPathes == 1) {
CallFunc(GdipDrawPath)(pGraphics, pPen, pGpPath);
} else {
int iStart = 0;
for (int i = 0; i < nPoints; i ++) {
if (i == nPoints - 1 || types[i + 1] == PathPointTypeStart) {
GpPath* pSubPath;
CallFunc(GdipCreatePath2)(points + iStart, types + iStart, i - iStart + 1, GdiFillType2Gdip(new_fill_mode), &pSubPath);
iStart = i + 1;
CallFunc(GdipDrawPath)(pGraphics, pPen, pSubPath);
CallFunc(GdipDeletePath)(pSubPath);
}
}
}
CallFunc(GdipDeletePen)(pPen);
}
if (pMatrix) {
CallFunc(GdipDeleteMatrix)(pMatrix);
}
FX_Free(points);
FX_Free(types);
CallFunc(GdipDeletePath)(pGpPath);
CallFunc(GdipDeleteGraphics)(pGraphics);
return TRUE;
}
class GpStream FX_FINAL : public IStream
{
LONG m_RefCount;
int m_ReadPos;
CFX_ByteTextBuf m_InterStream;
public:
GpStream()
{
m_RefCount = 1;
m_ReadPos = 0;
}
virtual HRESULT STDMETHODCALLTYPE
QueryInterface(REFIID iid, void ** ppvObject)
{
if (iid == __uuidof(IUnknown) || iid == __uuidof(IStream) ||
iid == __uuidof(ISequentialStream)) {
*ppvObject = static_cast<IStream*>(this);
AddRef();
return S_OK;
} else {
return E_NOINTERFACE;
}
}
virtual ULONG STDMETHODCALLTYPE AddRef(void)
{
return (ULONG)InterlockedIncrement(&m_RefCount);
}
virtual ULONG STDMETHODCALLTYPE Release(void)
{
ULONG res = (ULONG) InterlockedDecrement(&m_RefCount);
if (res == 0) {
delete this;
}
return res;
}
public:
virtual HRESULT STDMETHODCALLTYPE Read(void* Output, ULONG cb, ULONG* pcbRead)
{
size_t bytes_left;
size_t bytes_out;
if (pcbRead != NULL) {
*pcbRead = 0;
}
if (m_ReadPos == m_InterStream.GetLength()) {
return HRESULT_FROM_WIN32(ERROR_END_OF_MEDIA);
}
bytes_left = m_InterStream.GetLength() - m_ReadPos;
bytes_out = FX_MIN(cb, bytes_left);
FXSYS_memcpy32(Output, m_InterStream.GetBuffer() + m_ReadPos, bytes_out);
m_ReadPos += (FX_INT32)bytes_out;
if (pcbRead != NULL) {
*pcbRead = (ULONG)bytes_out;
}
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE Write(void const* Input, ULONG cb, ULONG* pcbWritten)
{
if (cb <= 0) {
if (pcbWritten != NULL) {
*pcbWritten = 0;
}
return S_OK;
}
m_InterStream.InsertBlock(m_InterStream.GetLength(), Input, cb);
if (pcbWritten != NULL) {
*pcbWritten = cb;
}
return S_OK;
}
public:
virtual HRESULT STDMETHODCALLTYPE SetSize(ULARGE_INTEGER)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE CopyTo(IStream*, ULARGE_INTEGER, ULARGE_INTEGER*, ULARGE_INTEGER*)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE Commit(DWORD)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE Revert(void)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE LockRegion(ULARGE_INTEGER, ULARGE_INTEGER, DWORD)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE UnlockRegion(ULARGE_INTEGER, ULARGE_INTEGER, DWORD)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE Clone(IStream **)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER liDistanceToMove, DWORD dwOrigin, ULARGE_INTEGER* lpNewFilePointer)
{
long start = 0;
long new_read_position;
switch(dwOrigin) {
case STREAM_SEEK_SET:
start = 0;
break;
case STREAM_SEEK_CUR:
start = m_ReadPos;
break;
case STREAM_SEEK_END:
start = m_InterStream.GetLength();
break;
default:
return STG_E_INVALIDFUNCTION;
break;
}
new_read_position = start + (long)liDistanceToMove.QuadPart;
if (new_read_position < 0 || new_read_position > m_InterStream.GetLength()) {
return STG_E_SEEKERROR;
}
m_ReadPos = new_read_position;
if (lpNewFilePointer != NULL) {
lpNewFilePointer->QuadPart = m_ReadPos;
}
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE Stat(STATSTG* pStatstg, DWORD grfStatFlag)
{
if (pStatstg == NULL) {
return STG_E_INVALIDFUNCTION;
}
ZeroMemory(pStatstg, sizeof(STATSTG));
pStatstg->cbSize.QuadPart = m_InterStream.GetLength();
return S_OK;
}
};
typedef struct {
BITMAPINFO* pbmi;
int Stride;
LPBYTE pScan0;
GpBitmap* pBitmap;
BitmapData* pBitmapData;
GpStream* pStream;
} PREVIEW3_DIBITMAP;
static PREVIEW3_DIBITMAP* LoadDIBitmap(WINDIB_Open_Args_ args)
{
GpBitmap* pBitmap;
GpStream* pStream = NULL;
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
Status status = Ok;
if (args.flags == WINDIB_OPEN_PATHNAME) {
status = CallFunc(GdipCreateBitmapFromFileICM)((wchar_t*)args.path_name, &pBitmap);
} else {
if (args.memory_size == 0 || !args.memory_base) {
return NULL;
}
pStream = new GpStream;
pStream->Write(args.memory_base, (ULONG)args.memory_size, NULL);
status = CallFunc(GdipCreateBitmapFromStreamICM)(pStream, &pBitmap);
}
if (status != Ok) {
if (pStream) {
pStream->Release();
}
return NULL;
}
UINT height, width;
CallFunc(GdipGetImageHeight)(pBitmap, &height);
CallFunc(GdipGetImageWidth)(pBitmap, &width);
PixelFormat pixel_format;
CallFunc(GdipGetImagePixelFormat)(pBitmap, &pixel_format);
int info_size = sizeof(BITMAPINFOHEADER);
int bpp = 24;
int dest_pixel_format = PixelFormat24bppRGB;
if (pixel_format == PixelFormat1bppIndexed) {
info_size += 8;
bpp = 1;
dest_pixel_format = PixelFormat1bppIndexed;
} else if (pixel_format == PixelFormat8bppIndexed) {
info_size += 1024;
bpp = 8;
dest_pixel_format = PixelFormat8bppIndexed;
} else if (pixel_format == PixelFormat32bppARGB) {
bpp = 32;
dest_pixel_format = PixelFormat32bppARGB;
}
LPBYTE buf = FX_Alloc(BYTE, info_size);
if (!buf) {
if (pStream) {
pStream->Release();
}
return NULL;
}
BITMAPINFOHEADER* pbmih = (BITMAPINFOHEADER*)buf;
pbmih->biBitCount = bpp;
pbmih->biCompression = BI_RGB;
pbmih->biHeight = -(int)height;
pbmih->biPlanes = 1;
pbmih->biWidth = width;
Rect rect(0, 0, width, height);
BitmapData* pBitmapData = FX_Alloc(BitmapData, 1);
if (!pBitmapData) {
if (pStream) {
pStream->Release();
}
return NULL;
}
CallFunc(GdipBitmapLockBits)(pBitmap, &rect, ImageLockModeRead,
dest_pixel_format, pBitmapData);
if (pixel_format == PixelFormat1bppIndexed || pixel_format == PixelFormat8bppIndexed) {
DWORD* ppal = (DWORD*)(buf + sizeof(BITMAPINFOHEADER));
struct {
UINT flags;
UINT Count;
DWORD Entries[256];
} pal;
int size = 0;
CallFunc(GdipGetImagePaletteSize)(pBitmap, &size);
CallFunc(GdipGetImagePalette)(pBitmap, (ColorPalette*)&pal, size);
int entries = pixel_format == PixelFormat1bppIndexed ? 2 : 256;
for (int i = 0; i < entries; i ++) {
ppal[i] = pal.Entries[i] & 0x00ffffff;
}
}
PREVIEW3_DIBITMAP* pInfo = FX_Alloc(PREVIEW3_DIBITMAP, 1);
if (!pInfo) {
if (pStream) {
pStream->Release();
}
return NULL;
}
pInfo->pbmi = (BITMAPINFO*)buf;
pInfo->pScan0 = (LPBYTE)pBitmapData->Scan0;
pInfo->Stride = pBitmapData->Stride;
pInfo->pBitmap = pBitmap;
pInfo->pBitmapData = pBitmapData;
pInfo->pStream = pStream;
return pInfo;
}
static void FreeDIBitmap(PREVIEW3_DIBITMAP* pInfo)
{
CGdiplusExt& GdiplusExt = ((CWin32Platform*)CFX_GEModule::Get()->GetPlatformData())->m_GdiplusExt;
CallFunc(GdipBitmapUnlockBits)(pInfo->pBitmap, pInfo->pBitmapData);
CallFunc(GdipDisposeImage)(pInfo->pBitmap);
FX_Free(pInfo->pBitmapData);
FX_Free((LPBYTE)pInfo->pbmi);
if (pInfo->pStream) {
pInfo->pStream->Release();
}
FX_Free(pInfo);
}
CFX_DIBitmap* _FX_WindowsDIB_LoadFromBuf(BITMAPINFO* pbmi, LPVOID pData, FX_BOOL bAlpha);
CFX_DIBitmap* CGdiplusExt::LoadDIBitmap(WINDIB_Open_Args_ args)
{
PREVIEW3_DIBITMAP* pInfo = ::LoadDIBitmap(args);
if (pInfo == NULL) {
return NULL;
}
int height = abs(pInfo->pbmi->bmiHeader.biHeight);
int width = pInfo->pbmi->bmiHeader.biWidth;
int dest_pitch = (width * pInfo->pbmi->bmiHeader.biBitCount + 31) / 32 * 4;
LPBYTE pData = FX_Alloc(BYTE, dest_pitch * height);
if (pData == NULL) {
FreeDIBitmap(pInfo);
return NULL;
}
if (dest_pitch == pInfo->Stride) {
FXSYS_memcpy32(pData, pInfo->pScan0, dest_pitch * height);
} else for (int i = 0; i < height; i ++) {
FXSYS_memcpy32(pData + dest_pitch * i, pInfo->pScan0 + pInfo->Stride * i, dest_pitch);
}
CFX_DIBitmap* pDIBitmap = _FX_WindowsDIB_LoadFromBuf(pInfo->pbmi, pData, pInfo->pbmi->bmiHeader.biBitCount == 32);
FX_Free(pData);
FreeDIBitmap(pInfo);
return pDIBitmap;
}
#endif