gambas-source-code/main/lib/draw/cpaint.c
Benoît Minisini cadfc8ba99 [GB.DRAW]
* BUG: Allow Paint.Begin() drawing areas to be imbricated.


git-svn-id: svn://localhost/gambas/trunk@6938 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2015-03-02 21:08:09 +00:00

1769 lines
42 KiB
C

/***************************************************************************
cpaint.c
(c) 2000-2013 Benoît Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __CPAINT_C
#include "gb.image.h"
#include "main.h"
#include "cpaint.h"
static GB_PAINT *_current = NULL;
#define THIS _current
#define PAINT _current->desc
#define XTHIS ((PAINT_EXTENTS *)_object)
#define MTHIS ((PAINT_MATRIX *)_object)
#define MPAINT (_matrix_desc)
#define BTHIS ((PAINT_BRUSH *)_object)
#define BPAINT (BTHIS->desc)
#define CHECK_DEVICE() if (check_device()) return
#define CHECK_PATH() if (check_path()) return
#define RAD(_deg) ((_deg) * M_PI / 180)
static GB_PAINT_MATRIX_DESC *_matrix_desc = NULL;
static void load_matrix_interface()
{
if (!_matrix_desc)
{
_matrix_desc = (GB_PAINT_MATRIX_DESC *)GB.GetClassInterface(GB.FindClass("Image"), "PaintMatrix");
if (!_matrix_desc)
{
fprintf(stderr, "gb.draw: error: unable to find PaintMatrix interface\n");
abort();
}
}
}
static bool check_device()
{
if (!_current || !_current->extra)
{
GB.Error("No current device");
return TRUE;
}
else
return FALSE;
}
static bool check_path()
{
if (THIS->has_path)
{
GB.Error("Pending path");
return TRUE;
}
else
return FALSE;
}
GB_PAINT *PAINT_get_current()
{
if (check_device())
return NULL;
else
return _current;
}
GB_PAINT *PAINT_from_device(void *device)
{
GB_PAINT *d;
for (d = _current; d; d = d->previous)
{
if (d->device == device && d->opened)
break;
}
return d;
}
bool PAINT_is_painted(void *device)
{
return PAINT_from_device(device) != NULL;
}
bool PAINT_open(GB_PAINT *paint)
{
if (paint->opened)
return FALSE;
//fprintf(stderr, "PAINT_open: %p\n", paint);
GB.Alloc(POINTER(&paint->extra), paint->desc->size);
memset(paint->extra, 0, paint->desc->size);
paint->opened = !paint->desc->Begin(paint);
if (!paint->opened)
GB.Free(POINTER(&paint->extra));
return !paint->opened;
}
void PAINT_close(GB_PAINT *paint)
{
if (paint->opened && !paint->other)
{
//fprintf(stderr, "PAINT_close: %p\n", paint);
paint->desc->End(paint);
GB.Free(POINTER(&paint->extra));
paint->opened = FALSE;
}
}
bool PAINT_begin(void *device)
{
GB_PAINT_DESC *desc;
GB_PAINT *paint, *other;
GB_CLASS klass;
klass = GB.GetClass(device);
desc = (GB_PAINT_DESC *)GB.GetClassInterface(klass, "Paint");
load_matrix_interface();
if (!desc)
{
GB.Error("Not a paintable object");
return TRUE;
}
GB.Alloc(POINTER(&paint), sizeof(GB_PAINT));
other = PAINT_from_device(device);
paint->desc = desc;
GB.Ref(device);
paint->device = device;
paint->brush = NULL;
paint->opened = FALSE;
paint->other = FALSE;
paint->has_path = FALSE;
paint->tag = NULL;
paint->area.x = paint->area.y = 0;
paint->previous = _current;
_current = paint;
//paint->draw = DRAW_from_device(device);
//if (paint->draw)
// DRAW_close(paint->draw);
if (other)
{
paint->extra = other->extra;
paint->opened = TRUE;
paint->other = TRUE;
paint->area = other->area;
paint->resolutionX = other->resolutionX;
paint->resolutionY = other->resolutionY;
paint->brush = other->brush;
if (paint->brush)
GB.Ref(paint->brush);
}
else
{
if (PAINT_open(paint))
return TRUE;
}
return FALSE;
}
void PAINT_end()
{
GB_PAINT *paint;
if (!_current)
return;
paint = _current;
_current = _current->previous;
PAINT_close(paint);
//if (paint->draw)
// DRAW_open(paint->draw);
if (paint->brush)
GB.Unref(POINTER(&paint->brush));
GB.Unref(POINTER(&paint->device));
GB.StoreObject(NULL, POINTER(&(paint->tag)));
GB.Free(POINTER(&paint));
}
void PAINT_translate(double tx, double ty)
{
GB_TRANSFORM transform;
if (tx == 0.0 && ty == 0.0)
return;
MPAINT->Create(&transform);
PAINT->Matrix(THIS, FALSE, transform);
MPAINT->Translate(transform, (float)tx, (float)ty);
PAINT->Matrix(THIS, TRUE, transform);
MPAINT->Delete(&transform);
}
void PAINT_set_area(GEOM_RECTF *area)
{
THIS->area.x += area->x;
THIS->area.y += area->y;
THIS->area.width = MIN(area->w, THIS->area.width - THIS->area.x);
THIS->area.height = MIN(area->h, THIS->area.height - THIS->area.y);
if (THIS->area.width <= 0 || THIS->area.height <= 0)
THIS->area.width = THIS->area.height = 0;
PAINT_translate(area->x, area->y);
}
//---- PaintExtents ---------------------------------------------------------
#define IMPLEMENT_EXTENTS_PROPERTY(_method, _field) \
BEGIN_PROPERTY(_method) \
GB.ReturnFloat(XTHIS->ext._field); \
END_PROPERTY
IMPLEMENT_EXTENTS_PROPERTY(PaintExtents_X, x1)
IMPLEMENT_EXTENTS_PROPERTY(PaintExtents_Y, y1)
IMPLEMENT_EXTENTS_PROPERTY(PaintExtents_X2, x2)
IMPLEMENT_EXTENTS_PROPERTY(PaintExtents_Y2, y2)
BEGIN_PROPERTY(PaintExtents_Width)
GB.ReturnFloat(XTHIS->ext.x2 - XTHIS->ext.x1);
END_PROPERTY
BEGIN_PROPERTY(PaintExtents_Height)
GB.ReturnFloat(XTHIS->ext.y2 - XTHIS->ext.y1);
END_PROPERTY
BEGIN_METHOD(PaintExtents_Merge, GB_OBJECT extents)
PAINT_EXTENTS *extents = VARG(extents);
if (GB.CheckObject(extents))
return;
if (extents->ext.x1 < XTHIS->ext.x1) XTHIS->ext.x1 = extents->ext.x1;
if (extents->ext.y1 < XTHIS->ext.y1) XTHIS->ext.y1 = extents->ext.y1;
if (extents->ext.x2 > XTHIS->ext.x2) XTHIS->ext.x2 = extents->ext.x2;
if (extents->ext.y2 > XTHIS->ext.y2) XTHIS->ext.y2 = extents->ext.y2;
GB.ReturnObject(XTHIS);
END_METHOD
GB_DESC PaintExtentsDesc[] =
{
GB_DECLARE("PaintExtents", sizeof(PAINT_EXTENTS)),
GB_PROPERTY_READ("X", "f", PaintExtents_X),
GB_PROPERTY_READ("Y", "f", PaintExtents_Y),
GB_PROPERTY_READ("X2", "f", PaintExtents_X2),
GB_PROPERTY_READ("Y2", "f", PaintExtents_Y2),
GB_PROPERTY_READ("Width", "f", PaintExtents_Width),
GB_PROPERTY_READ("Height", "f", PaintExtents_Height),
GB_METHOD("Merge", "PaintExtents", PaintExtents_Merge, "(Extents)PaintExtents;"),
GB_END_DECLARE
};
//---- PaintMatrix ----------------------------------------------------------
static bool _do_not_init = FALSE;
static PAINT_MATRIX *create_matrix(GB_TRANSFORM transform)
{
PAINT_MATRIX *matrix;
_do_not_init = TRUE;
matrix = GB.New(GB.FindClass("PaintMatrix"), NULL, NULL);
_do_not_init = FALSE;
matrix->transform = transform;
return matrix;
}
BEGIN_METHOD(PaintMatrix_new, GB_FLOAT xx; GB_FLOAT xy; GB_FLOAT yx; GB_FLOAT yy; GB_FLOAT x0; GB_FLOAT y0)
load_matrix_interface();
if (_do_not_init)
return;
MPAINT->Create(&MTHIS->transform);
MPAINT->Init(MTHIS->transform, VARGOPT(xx, 1.0), VARGOPT(xy, 0.0), VARGOPT(yx, 0.0), VARGOPT(yy, 1.0), VARGOPT(x0, 0.0), VARGOPT(y0, 0.0));
END_METHOD
BEGIN_METHOD(PaintMatrix_call, GB_FLOAT xx; GB_FLOAT xy; GB_FLOAT yx; GB_FLOAT yy; GB_FLOAT x0; GB_FLOAT y0)
GB_TRANSFORM transform;
MPAINT->Create(&transform);
MPAINT->Init(transform, VARGOPT(xx, 1.0), VARGOPT(xy, 0.0), VARGOPT(yx, 0.0), VARGOPT(yy, 1.0), VARGOPT(x0, 0.0), VARGOPT(y0, 0.0));
GB.ReturnObject(create_matrix(transform));
END_METHOD
BEGIN_METHOD_VOID(PaintMatrix_free)
if (MTHIS->transform)
MPAINT->Delete(&MTHIS->transform);
END_METHOD
BEGIN_METHOD_VOID(PaintMatrix_Copy)
GB_TRANSFORM transform;
MPAINT->Copy(&transform, MTHIS->transform);
GB.ReturnObject(create_matrix(transform));
END_METHOD
BEGIN_METHOD_VOID(PaintMatrix_Reset)
MPAINT->Init(MTHIS->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
RETURN_SELF();
END_METHOD
BEGIN_METHOD(PaintMatrix_Translate, GB_FLOAT tx; GB_FLOAT ty)
MPAINT->Translate(MTHIS->transform, (float)VARG(tx), (float)VARG(ty));
RETURN_SELF();
END_METHOD
BEGIN_METHOD(PaintMatrix_Scale, GB_FLOAT sx; GB_FLOAT sy)
MPAINT->Scale(MTHIS->transform, (float)VARG(sx), (float)VARG(sy));
RETURN_SELF();
END_METHOD
BEGIN_METHOD(PaintMatrix_Rotate, GB_FLOAT angle)
MPAINT->Rotate(MTHIS->transform, (float)VARG(angle));
RETURN_SELF();
END_METHOD
BEGIN_METHOD_VOID(PaintMatrix_Invert)
if (MPAINT->Invert(MTHIS->transform))
GB.ReturnNull();
else
RETURN_SELF();
END_METHOD
BEGIN_METHOD(PaintMatrix_Multiply, GB_OBJECT matrix)
PAINT_MATRIX *matrix = (PAINT_MATRIX *)VARG(matrix);
if (GB.CheckObject(matrix))
return;
MPAINT->Multiply(MTHIS->transform, matrix->transform);
RETURN_SELF();
END_METHOD
BEGIN_METHOD(PaintMatrix_Map, GB_OBJECT point)
GEOM_POINTF *point = VARG(point);
double x, y;
if (GB.CheckObject(point))
return;
x = point->x;
y = point->y;
MPAINT->Map(MTHIS->transform, &x, &y);
GB.ReturnObject(GEOM.CreatePointF(x, y));
END_METHOD
GB_DESC PaintMatrixDesc[] =
{
GB_DECLARE("PaintMatrix", sizeof(PAINT_MATRIX)),
GB_METHOD("_new", NULL, PaintMatrix_new, "[(XX)f(XY)f(YX)f(YY)f(X0)f(Y0)f]"),
GB_STATIC_METHOD("_call", "PaintMatrix", PaintMatrix_call, "[(XX)f(XY)f(YX)f(YY)f(X0)f(Y0)f]"),
GB_METHOD("_free", NULL, PaintMatrix_free, NULL),
GB_METHOD("Copy", "PaintMatrix", PaintMatrix_Copy, NULL),
GB_METHOD("Reset", "PaintMatrix", PaintMatrix_Reset, NULL),
GB_METHOD("Translate", "PaintMatrix", PaintMatrix_Translate, "(TX)f(TY)f"),
GB_METHOD("Scale", "PaintMatrix", PaintMatrix_Scale, "(SX)f(SY)f"),
GB_METHOD("Rotate", "PaintMatrix", PaintMatrix_Rotate, "(Angle)f"),
GB_METHOD("Invert", "PaintMatrix", PaintMatrix_Invert, NULL),
GB_METHOD("Multiply", "PaintMatrix", PaintMatrix_Multiply, "(Matrix)PaintMatrix;"),
GB_METHOD("Map", "PointF", PaintMatrix_Map, "(Point)PointF;"),
GB_END_DECLARE
};
//---- PaintBrush -----------------------------------------------------------
BEGIN_METHOD_VOID(PaintBrush_free)
BPAINT->Brush.Free(BTHIS->brush);
END_METHOD
BEGIN_PROPERTY(PaintBrush_Matrix)
GB_TRANSFORM transform;
PAINT_MATRIX *matrix;
if (READ_PROPERTY)
{
MPAINT->Create(&transform);
BPAINT->Brush.Matrix(BTHIS->brush, FALSE, transform);
GB.ReturnObject(create_matrix(transform));
}
else
{
matrix = (PAINT_MATRIX *)VPROP(GB_OBJECT);
if (!matrix)
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, NULL);
else
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, matrix->transform);
}
END_PROPERTY
BEGIN_METHOD_VOID(PaintBrush_Reset)
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, NULL);
END_METHOD
BEGIN_METHOD(PaintBrush_Translate, GB_FLOAT tx; GB_FLOAT ty)
GB_TRANSFORM transform;
MPAINT->Create(&transform);
BPAINT->Brush.Matrix(BTHIS->brush, FALSE, transform);
MPAINT->Translate(transform, (float)VARG(tx), (float)VARG(ty));
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, transform);
MPAINT->Delete(&transform);
END_METHOD
BEGIN_METHOD(PaintBrush_Scale, GB_FLOAT sx; GB_FLOAT sy)
GB_TRANSFORM transform;
MPAINT->Create(&transform);
BPAINT->Brush.Matrix(BTHIS->brush, FALSE, transform);
MPAINT->Scale(transform, (float)VARG(sx), (float)VARG(sy));
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, transform);
MPAINT->Delete(&transform);
END_METHOD
BEGIN_METHOD(PaintBrush_Rotate, GB_FLOAT angle)
GB_TRANSFORM transform;
MPAINT->Create(&transform);
BPAINT->Brush.Matrix(BTHIS->brush, FALSE, transform);
MPAINT->Rotate(transform, (float)VARG(angle));
BPAINT->Brush.Matrix(BTHIS->brush, TRUE, transform);
MPAINT->Delete(&transform);
END_METHOD
GB_DESC PaintBrushDesc[] =
{
GB_DECLARE("PaintBrush", sizeof(PAINT_BRUSH)), GB_NOT_CREATABLE(),
GB_METHOD("_free", NULL, PaintBrush_free, NULL),
GB_PROPERTY("Matrix", "PaintMatrix", PaintBrush_Matrix),
GB_METHOD("Reset", NULL, PaintBrush_Reset, NULL),
GB_METHOD("Translate", NULL, PaintBrush_Translate, "(TX)f(TY)f"),
GB_METHOD("Scale", NULL, PaintBrush_Scale, "(SX)f(SY)f"),
GB_METHOD("Rotate", NULL, PaintBrush_Rotate, "(Angle)f"),
GB_END_DECLARE
};
//---- Paint ----------------------------------------------------------------
BEGIN_METHOD(Paint_Begin, GB_OBJECT device; GB_OBJECT area)
void *device = VARG(device);
GEOM_RECTF *area = VARGOPT(area, NULL);
if (GB.CheckObject(device))
return;
PAINT_begin(device);
if (area)
PAINT_set_area(area);
END_METHOD
BEGIN_METHOD_VOID(Paint_End)
PAINT_end();
END_METHOD
BEGIN_METHOD_VOID(Paint_exit)
while (_current)
PAINT_end();
END_METHOD
BEGIN_PROPERTY(Paint_Device)
if (THIS)
GB.ReturnObject(THIS->device);
else
GB.ReturnNull();
END_PROPERTY
BEGIN_PROPERTY(Paint_Width)
CHECK_DEVICE();
GB.ReturnFloat(THIS->area.width);
END_PROPERTY
BEGIN_PROPERTY(Paint_Height)
CHECK_DEVICE();
GB.ReturnFloat(THIS->area.height);
END_PROPERTY
BEGIN_PROPERTY(Paint_ResolutionX)
CHECK_DEVICE();
GB.ReturnInteger(THIS->resolutionX);
END_PROPERTY
BEGIN_PROPERTY(Paint_ResolutionY)
CHECK_DEVICE();
GB.ReturnInteger(THIS->resolutionY);
END_PROPERTY
#define IMPLEMENT_METHOD(_method, _api) \
BEGIN_METHOD_VOID(_method) \
CHECK_DEVICE(); \
PAINT->_api(THIS); \
END_METHOD
#define IMPLEMENT_METHOD_PRESERVE(_method, _api) \
BEGIN_METHOD(_method, GB_BOOLEAN preserve) \
bool preserve = VARGOPT(preserve, FALSE); \
CHECK_DEVICE(); \
PAINT->_api(THIS, preserve); \
if (!preserve) \
THIS->has_path = FALSE; \
END_METHOD
#define IMPLEMENT_PROPERTY_EXTENTS(_property, _api) \
BEGIN_PROPERTY(_property) \
PAINT_EXTENTS *extents; \
CHECK_DEVICE(); \
extents = GB.New(GB.FindClass("PaintExtents"), NULL, NULL); \
PAINT->_api(THIS, &extents->ext); \
GB.ReturnObject(extents); \
END_METHOD
#define IMPLEMENT_PROPERTY(_property, _api, _type, _gtype, _return) \
BEGIN_PROPERTY(_property) \
_type value; \
CHECK_DEVICE(); \
if (READ_PROPERTY) \
{ \
PAINT->_api(THIS, FALSE, &value); \
_return(value); \
} \
else \
{ \
value = (_type)VPROP(_gtype); \
PAINT->_api(THIS, TRUE, &value); \
} \
END_METHOD
#define IMPLEMENT_PROPERTY_BOOLEAN(_property, _api) \
IMPLEMENT_PROPERTY(_property, _api, int, GB_BOOLEAN, GB.ReturnBoolean)
#define IMPLEMENT_PROPERTY_INTEGER(_property, _api) \
IMPLEMENT_PROPERTY(_property, _api, int, GB_INTEGER, GB.ReturnInteger)
#define IMPLEMENT_PROPERTY_UNSIGNED_INTEGER(_property, _api) \
IMPLEMENT_PROPERTY(_property, _api, uint, GB_INTEGER, GB.ReturnInteger)
#define IMPLEMENT_PROPERTY_FLOAT(_property, _api) \
IMPLEMENT_PROPERTY(_property, _api, float, GB_FLOAT, GB.ReturnFloat)
IMPLEMENT_PROPERTY_BOOLEAN(Paint_Invert, Invert)
IMPLEMENT_PROPERTY_INTEGER(Paint_FillStyle, FillStyle)
BEGIN_PROPERTY(Paint_Background)
uint value;
CHECK_DEVICE();
if (READ_PROPERTY)
{
PAINT->Background(THIS, FALSE, &value);
GB.ReturnInteger(value);
}
else
{
value = (uint)VPROP(GB_INTEGER);
PAINT->Background(THIS, TRUE, &value);
GB.StoreObject(NULL, POINTER(&THIS->brush));
}
END_METHOD
IMPLEMENT_PROPERTY_BOOLEAN(Paint_Antialias, Antialias)
IMPLEMENT_METHOD(Paint_Save, Save)
IMPLEMENT_METHOD(Paint_Restore, Restore)
IMPLEMENT_METHOD_PRESERVE(Paint_Clip, Clip)
IMPLEMENT_METHOD(Paint_ResetClip, ResetClip)
IMPLEMENT_PROPERTY_EXTENTS(Paint_ClipExtents, ClipExtents)
IMPLEMENT_METHOD_PRESERVE(Paint_Fill, Fill)
IMPLEMENT_METHOD_PRESERVE(Paint_Stroke, Stroke)
IMPLEMENT_PROPERTY_EXTENTS(Paint_PathExtents, PathExtents)
static GB_ARRAY _outline;
static GB_ARRAY _outline_p;
static void make_path_outline(int cmd, float x, float y)
{
if (!_outline)
GB.Array.New(&_outline, GB.FindClass("PointF[]"), 0);
if (cmd == GB_PAINT_PATH_MOVE)
{
GB.Array.New(&_outline_p, GB.FindClass("PointF"), 0);
GB.Ref(_outline_p);
*((void **)GB.Array.Add(_outline)) = _outline_p;
}
GEOM_POINTF *p = GEOM.CreatePointF(x, y);
*((void **)GB.Array.Add(_outline_p)) = p;
GB.Ref(p);
}
BEGIN_PROPERTY(Paint_PathOutline)
CHECK_DEVICE();
_outline = NULL;
PAINT->PathOutline(THIS, make_path_outline);
GB.ReturnObject(_outline);
END_PROPERTY
BEGIN_PROPERTY(Paint_ClipRect)
GB_EXTENTS ext;
GEOM_RECT *rect;
int w, h;
CHECK_DEVICE();
if (READ_PROPERTY)
{
(*PAINT->ClipExtents)(THIS, &ext);
w = floorf(ext.x2) - ceilf(ext.x1);
h = floorf(ext.y2) - ceilf(ext.y1);
if (w <= 0 || h <= 0)
{
GB.ReturnNull();
return;
}
rect = GEOM.CreateRect();
rect->x = ceilf(ext.x1);
rect->y = ceilf(ext.y1);
rect->w = w;
rect->h = h;
GB.ReturnObject(rect);
}
else
{
rect = (GEOM_RECT *)VPROP(GB_OBJECT);
if (rect)
PAINT->ClipRect(THIS, rect->x, rect->y, rect->w, rect->h);
else
PAINT->ResetClip(THIS);
}
END_PROPERTY
BEGIN_METHOD(Paint_PathContains, GB_FLOAT x; GB_FLOAT y)
CHECK_DEVICE();
GB.ReturnBoolean(PAINT->PathContains(THIS, (float)VARG(x), (float)VARG(y)));
END_METHOD
IMPLEMENT_PROPERTY_INTEGER(Paint_FillRule, FillRule)
IMPLEMENT_PROPERTY_INTEGER(Paint_LineCap, LineCap)
IMPLEMENT_PROPERTY_INTEGER(Paint_LineJoin, LineJoin)
IMPLEMENT_PROPERTY_INTEGER(Paint_Operator, Operator)
IMPLEMENT_PROPERTY_FLOAT(Paint_LineWidth, LineWidth)
IMPLEMENT_PROPERTY_FLOAT(Paint_MiterLimit, MiterLimit)
BEGIN_PROPERTY(Paint_Brush)
CHECK_DEVICE();
if (READ_PROPERTY)
GB.ReturnObject(THIS->brush);
else
{
PAINT_BRUSH *old_brush = THIS->brush;
PAINT_BRUSH *new_brush = (PAINT_BRUSH *)VPROP(GB_OBJECT);
if (new_brush)
{
GB.Ref(new_brush);
PAINT->SetBrush(THIS, new_brush->brush);
}
GB.Unref(POINTER(&old_brush));
THIS->brush = new_brush;
}
END_PROPERTY
BEGIN_PROPERTY(Paint_BrushOrigin)
float x, y;
CHECK_DEVICE();
if (READ_PROPERTY)
{
PAINT->BrushOrigin(THIS, FALSE, &x, &y);
GB.ReturnObject(GEOM.CreatePointF(x, y));
}
else
{
GEOM_POINT *p = VPROP(GB_OBJECT);
if (!p)
x = y = 0.0;
else
{
x = p->x;
y = p->y;
}
PAINT->BrushOrigin(THIS, TRUE, &x, &y);
}
END_PROPERTY
BEGIN_PROPERTY(Paint_Dash)
GB_ARRAY array;
float *dashes;
int count, i;
CHECK_DEVICE();
if (READ_PROPERTY)
{
PAINT->Dash(THIS, FALSE, &dashes, &count);
if (!count)
GB.ReturnNull();
else
{
GB.Array.New(POINTER(&array), GB_T_FLOAT, count);
for (i = 0; i < count; i++)
*((double *)GB.Array.Get(array, i)) = (double)dashes[i];
GB.ReturnObject(array);
}
GB.Free(POINTER(&dashes));
}
else
{
array = (GB_ARRAY)VPROP(GB_OBJECT);
if (!array)
count = 0;
else
count = GB.Array.Count(array);
if (!count)
{
PAINT->Dash(THIS, TRUE, NULL, &count);
//THIS->lineStyle = GB_PAINT_LINE_STYLE_SOLID;
}
else
{
GB.Alloc(POINTER(&dashes), sizeof(float) * count);
for (i = 0; i < count; i++)
dashes[i] = (float)*((double *)GB.Array.Get(array, i));
PAINT->Dash(THIS, TRUE, &dashes, &count);
GB.Free(POINTER(&dashes));
//THIS->lineStyle = GB_PAINT_LINE_STYLE_CUSTOM;
}
}
END_PROPERTY
IMPLEMENT_PROPERTY_FLOAT(Paint_DashOffset, DashOffset)
BEGIN_METHOD_VOID(Paint_NewPath)
CHECK_DEVICE();
PAINT->NewPath(THIS);
THIS->has_path = FALSE;
END_METHOD
IMPLEMENT_METHOD(Paint_ClosePath, ClosePath)
BEGIN_PROPERTY(Paint_X)
float x, y;
CHECK_DEVICE();
PAINT->GetCurrentPoint(THIS, &x, &y);
GB.ReturnFloat((double)x);
END_PROPERTY
BEGIN_PROPERTY(Paint_Y)
float x, y;
CHECK_DEVICE();
PAINT->GetCurrentPoint(THIS, &x, &y);
GB.ReturnFloat((double)y);
END_PROPERTY
BEGIN_METHOD(Paint_Arc, GB_FLOAT xc; GB_FLOAT yc; GB_FLOAT radius; GB_FLOAT angle; GB_FLOAT length; GB_BOOLEAN pie)
CHECK_DEVICE();
bool pie = VARGOPT(pie, FALSE);
float angle = VARGOPT(angle, 0.0);
float length = VARGOPT(length, MISSING(angle) ? M_PI * 2 : 0.0);
if (MISSING(length) || length == 0.0)
pie = FALSE;
PAINT->Arc(THIS, VARG(xc), VARG(yc), VARG(radius), angle, length, pie);
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_Ellipse, GB_FLOAT x; GB_FLOAT y; GB_FLOAT width; GB_FLOAT height; GB_FLOAT angle; GB_FLOAT length; GB_BOOLEAN pie)
CHECK_DEVICE();
bool pie = VARGOPT(pie, FALSE);
float angle = VARGOPT(angle, 0.0);
float length = VARGOPT(length, MISSING(angle) ? M_PI * 2 : 0.0);
if (MISSING(length) || length == 0.0)
pie = FALSE;
PAINT->Ellipse(THIS, VARG(x), VARG(y), VARG(width), VARG(height), angle, length, pie);
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_Polygon, GB_OBJECT points)
GB_ARRAY points = VARG(points);
int i, n;
double *p;
CHECK_DEVICE();
if (!points)
return;
n = GB.Array.Count(points);
if (n < 4)
return;
CHECK_DEVICE();
p = (double *)GB.Array.Get(points, 0);
PAINT->MoveTo(THIS, p[0], p[1]);
for (i = 2; i < n; i+= 2)
PAINT->LineTo(THIS, p[i], p[i + 1]);
PAINT->LineTo(THIS, p[0], p[1]);
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_CurveTo, GB_FLOAT x1; GB_FLOAT y1; GB_FLOAT x2; GB_FLOAT y2; GB_FLOAT x3; GB_FLOAT y3)
CHECK_DEVICE();
PAINT->CurveTo(THIS, VARG(x1), VARG(y1), VARG(x2), VARG(y2), VARG(x3), VARG(y3));
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_RelCurveTo, GB_FLOAT x1; GB_FLOAT y1; GB_FLOAT x2; GB_FLOAT y2; GB_FLOAT x3; GB_FLOAT y3)
float x, y;
CHECK_DEVICE();
PAINT->GetCurrentPoint(THIS, &x, &y);
PAINT->CurveTo(THIS, x + VARG(x1), y + VARG(y1), x + VARG(x2), y + VARG(y2), x + VARG(x3), y + VARG(y3));
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_LineTo, GB_FLOAT x; GB_FLOAT y)
CHECK_DEVICE();
PAINT->LineTo(THIS, VARG(x), VARG(y));
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_RelLineTo, GB_FLOAT x; GB_FLOAT y)
float fx, fy;
CHECK_DEVICE();
PAINT->GetCurrentPoint(THIS, &fx, &fy);
PAINT->LineTo(THIS, fx + VARG(x), fy + VARG(y));
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_MoveTo, GB_FLOAT x; GB_FLOAT y)
CHECK_DEVICE();
PAINT->MoveTo(THIS, VARG(x), VARG(y));
END_METHOD
BEGIN_METHOD(Paint_RelMoveTo, GB_FLOAT x; GB_FLOAT y)
float fx, fy;
CHECK_DEVICE();
PAINT->GetCurrentPoint(THIS, &fx, &fy);
PAINT->MoveTo(THIS, fx + VARG(x), fy + VARG(y));
END_METHOD
BEGIN_METHOD(Paint_Rectangle, GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_FLOAT radius)
CHECK_DEVICE();
float x = VARG(x);
float y = VARG(y);
float w = VARG(w);
float h = VARG(h);
float r = VARGOPT(radius, 0.0);
if (r <= 0.0)
PAINT->Rectangle(THIS, x, y, w, h);
else
{
r = Min(r, Min(w, h) / 2);
float r2 = r * (1-0.55228475);
//PAINT->NewPath(THIS);
PAINT->MoveTo(THIS, x + r, y);
PAINT->LineTo(THIS, x + w - r, y);
PAINT->CurveTo(THIS, x + w - r2, y, x + w, y + r2, x + w, y + r);
PAINT->LineTo(THIS, x + w, y + h - r);
PAINT->CurveTo(THIS, x + w, y + h - r2, x + w - r2, y + h, x + w - r, y + h);
PAINT->LineTo(THIS, x + r, y + h);
PAINT->CurveTo(THIS, x + r2, y + h, x, y + h - r2, x, y + h - r);
PAINT->LineTo(THIS, x, y + r);
PAINT->CurveTo(THIS, x, y + r2, x + r2, y, x + r, y);
}
THIS->has_path = TRUE;
END_METHOD
IMPLEMENT_PROPERTY(Paint_Font, Font, GB_FONT, GB_OBJECT, GB.ReturnObject)
BEGIN_METHOD(Paint_Text, GB_STRING text; GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_INTEGER align)
CHECK_DEVICE();
if (!MISSING(x) && !MISSING(y))
PAINT->MoveTo(THIS, (float)VARG(x), (float)VARG(y));
PAINT->Text(THIS, STRING(text), LENGTH(text), VARGOPT(w, -1), VARGOPT(h, -1), VARGOPT(align, GB_DRAW_ALIGN_DEFAULT), FALSE);
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_RichText, GB_STRING text; GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_INTEGER align)
CHECK_DEVICE();
if (!MISSING(x) && !MISSING(y))
PAINT->MoveTo(THIS, (float)VARG(x), (float)VARG(y));
PAINT->RichText(THIS, STRING(text), LENGTH(text), VARGOPT(w, -1), VARGOPT(h, -1), VARGOPT(align, GB_DRAW_ALIGN_DEFAULT), FALSE);
THIS->has_path = TRUE;
END_METHOD
BEGIN_METHOD(Paint_DrawText, GB_STRING text; GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_INTEGER align)
CHECK_DEVICE();
CHECK_PATH();
if (!MISSING(x) && !MISSING(y))
PAINT->MoveTo(THIS, (float)VARG(x), (float)VARG(y));
PAINT->Text(THIS, STRING(text), LENGTH(text), VARGOPT(w, -1), VARGOPT(h, -1), VARGOPT(align, GB_DRAW_ALIGN_DEFAULT), TRUE);
END_METHOD
BEGIN_METHOD(Paint_DrawRichText, GB_STRING text; GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_INTEGER align)
CHECK_DEVICE();
CHECK_PATH();
if (!MISSING(x) && !MISSING(y))
PAINT->MoveTo(THIS, (float)VARG(x), (float)VARG(y));
PAINT->RichText(THIS, STRING(text), LENGTH(text), VARGOPT(w, -1), VARGOPT(h, -1), VARGOPT(align, GB_DRAW_ALIGN_DEFAULT), TRUE);
END_METHOD
BEGIN_METHOD(Paint_TextExtents, GB_STRING text)
PAINT_EXTENTS *extents;
CHECK_DEVICE();
extents = GB.New(GB.FindClass("PaintExtents"), NULL, NULL);
if (!LENGTH(text))
{
PAINT->GetCurrentPoint(THIS, &extents->ext.x1, &extents->ext.y1);
extents->ext.x2 = extents->ext.x1;
extents->ext.y2 = extents->ext.y1;
}
else
PAINT->TextExtents(THIS, STRING(text), LENGTH(text), &extents->ext);
GB.ReturnObject(extents);
END_METHOD
BEGIN_METHOD(Paint_RichTextExtents, GB_STRING text; GB_FLOAT width)
PAINT_EXTENTS *extents;
CHECK_DEVICE();
extents = GB.New(GB.FindClass("PaintExtents"), NULL, NULL);
PAINT->RichTextExtents(THIS, STRING(text), LENGTH(text), &extents->ext, VARGOPT(width, -1));
GB.ReturnObject(extents);
END_METHOD
BEGIN_METHOD(Paint_TextSize, GB_STRING text)
float w, h;
GEOM_RECTF *size;
CHECK_DEVICE();
PAINT->TextSize(THIS, STRING(text), LENGTH(text), &w, &h);
size = GEOM.CreateRectF();
size->w = w;
size->h = h;
GB.ReturnObject(size);
END_METHOD
BEGIN_METHOD(Paint_RichTextSize, GB_STRING text; GB_FLOAT width)
float w, h;
GEOM_RECTF *size;
w = VARGOPT(width, -1);
CHECK_DEVICE();
PAINT->RichTextSize(THIS, STRING(text), LENGTH(text), w, &w, &h);
size = GEOM.CreateRectF();
size->w = w;
size->h = h;
GB.ReturnObject(size);
END_METHOD
static PAINT_BRUSH *make_brush(GB_PAINT *d, GB_BRUSH brush)
{
PAINT_BRUSH *that;
that = GB.New(GB.FindClass("PaintBrush"), NULL, NULL);
that->desc = d->desc;
that->brush = brush;
GB.ReturnObject(that);
return that;
}
BEGIN_METHOD(Paint_Color, GB_INTEGER color)
GB_BRUSH brush;
CHECK_DEVICE();
PAINT->Brush.Color(&brush, VARG(color));
make_brush(THIS, brush);
END_METHOD
BEGIN_METHOD(Paint_Image, GB_OBJECT image; GB_FLOAT x; GB_FLOAT y)
GB_BRUSH brush;
CHECK_DEVICE();
if (GB.CheckObject(VARG(image)))
return;
PAINT->Brush.Image(&brush, (GB_IMAGE)VARG(image));
make_brush(THIS, brush);
if (!MISSING(x) || !MISSING(y))
{
GB_TRANSFORM transform;
MPAINT->Create(&transform);
MPAINT->Translate(transform, VARGOPT(x, 0.0), VARGOPT(y, 0.0));
PAINT->Brush.Matrix(brush, TRUE, transform);
MPAINT->Delete(&transform);
}
END_METHOD
BEGIN_METHOD(Paint_LinearGradient, GB_FLOAT x0; GB_FLOAT y0; GB_FLOAT x1; GB_FLOAT y1; GB_OBJECT colors; GB_OBJECT positions; GB_INTEGER extend)
GB_BRUSH brush;
GB_ARRAY positions, colors;
int nstop;
CHECK_DEVICE();
positions = (GB_ARRAY)VARG(positions);
if (GB.CheckObject(positions))
return;
colors = (GB_ARRAY)VARG(colors);
if (GB.CheckObject(colors))
return;
nstop = Min(GB.Array.Count(positions), GB.Array.Count(colors));
PAINT->Brush.LinearGradient(&brush, (float)VARG(x0), (float)VARG(y0), (float)VARG(x1), (float)VARG(y1),
nstop, (double *)GB.Array.Get(positions, 0), (GB_COLOR *)GB.Array.Get(colors, 0), VARGOPT(extend, GB_PAINT_EXTEND_PAD));
make_brush(THIS, brush);
END_METHOD
BEGIN_METHOD(Paint_RadialGradient, GB_FLOAT cx; GB_FLOAT cy; GB_FLOAT radius; GB_FLOAT fx; GB_FLOAT fy; GB_OBJECT colors; GB_OBJECT positions; GB_INTEGER extend)
GB_BRUSH brush;
GB_ARRAY positions, colors;
int nstop;
CHECK_DEVICE();
positions = (GB_ARRAY)VARG(positions);
if (GB.CheckObject(positions))
return;
colors = (GB_ARRAY)VARG(colors);
if (GB.CheckObject(colors))
return;
nstop = Min(GB.Array.Count(positions), GB.Array.Count(colors));
PAINT->Brush.RadialGradient(&brush, (float)VARG(cx), (float)VARG(cy), (float)VARG(radius), (float)VARG(fx), (float)VARG(fy),
nstop, (double *)GB.Array.Get(positions, 0), (GB_COLOR *)GB.Array.Get(colors, 0), VARGOPT(extend, GB_PAINT_EXTEND_PAD));
make_brush(THIS, brush);
END_METHOD
BEGIN_PROPERTY(Paint_Matrix)
GB_TRANSFORM transform;
PAINT_MATRIX *matrix;
CHECK_DEVICE();
if (READ_PROPERTY)
{
MPAINT->Create(&transform);
PAINT->Matrix(THIS, FALSE, transform);
GB.ReturnObject(create_matrix(transform));
}
else
{
matrix = (PAINT_MATRIX *)VPROP(GB_OBJECT);
if (!matrix)
PAINT->Matrix(THIS, TRUE, NULL);
else
PAINT->Matrix(THIS, TRUE, matrix->transform);
}
END_PROPERTY
BEGIN_METHOD_VOID(Paint_Reset)
CHECK_DEVICE();
PAINT->Matrix(THIS, TRUE, NULL);
PAINT_translate(THIS->area.x, THIS->area.y);
END_METHOD
BEGIN_METHOD(Paint_Translate, GB_FLOAT tx; GB_FLOAT ty)
CHECK_DEVICE();
PAINT_translate(VARG(tx), VARG(ty));
END_METHOD
BEGIN_METHOD(Paint_Scale, GB_FLOAT sx; GB_FLOAT sy)
GB_TRANSFORM transform;
CHECK_DEVICE();
MPAINT->Create(&transform);
PAINT->Matrix(THIS, FALSE, transform);
MPAINT->Scale(transform, (float)VARG(sx), (float)VARG(sy));
PAINT->Matrix(THIS, TRUE, transform);
MPAINT->Delete(&transform);
END_METHOD
BEGIN_METHOD(Paint_Rotate, GB_FLOAT angle)
GB_TRANSFORM transform;
CHECK_DEVICE();
MPAINT->Create(&transform);
PAINT->Matrix(THIS, FALSE, transform);
MPAINT->Rotate(transform, (float)VARG(angle));
PAINT->Matrix(THIS, TRUE, transform);
MPAINT->Delete(&transform);
END_METHOD
BEGIN_METHOD(Paint_DrawImage, GB_OBJECT image; GB_FLOAT x; GB_FLOAT y; GB_FLOAT width; GB_FLOAT height; GB_FLOAT opacity; GB_OBJECT source)
GB_IMG *image;
float x, y, w, h;
float opacity = VARGOPT(opacity, 1.0);
GEOM_RECT *source = (GEOM_RECT *)VARGOPT(source, NULL);
CHECK_DEVICE();
CHECK_PATH();
image = (GB_IMG *)VARG(image);
if (GB.CheckObject(image))
return;
x = VARG(x);
y = VARG(y);
w = VARGOPT(width, -1);
h = VARGOPT(height, -1);
if (GB.CheckObject(VARG(image)))
return;
if (w < 0) w = image->width;
if (h < 0) h = image->height;
if (w <= 0.0 || h <= 0.0)
return;
if (image->width <= 0 || image->height <= 0)
return;
PAINT->DrawImage(THIS, VARG(image), x, y, w, h, opacity, source ? (GB_RECT *)&source->x : NULL);
END_METHOD
BEGIN_METHOD(Paint_DrawPicture, GB_OBJECT picture; GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_OBJECT source)
GB_PICTURE picture = VARG(picture);
GB_PICTURE_INFO info;
GEOM_RECT *source = (GEOM_RECT *)VARGOPT(source, NULL);
float x, y, w, h;
CHECK_DEVICE();
CHECK_PATH();
if (GB.CheckObject(picture))
return;
PAINT->GetPictureInfo(THIS, picture, &info);
x = VARG(x);
y = VARG(y);
w = VARGOPT(w, -1);
h = VARGOPT(h, -1);
if (w < 0) w = info.width;
if (h < 0) h = info.height;
if (info.width <= 0 || info.height <= 0)
return;
PAINT->DrawPicture(THIS, picture, x, y, w, h, source ? (GB_RECT *)&source->x : NULL);
END_METHOD
BEGIN_METHOD(Paint_ZoomImage, GB_OBJECT image; GB_INTEGER zoom; GB_INTEGER x; GB_INTEGER y; GB_INTEGER grid; GB_OBJECT source)
GB_IMAGE image = VARG(image);
GB_IMG *info = (GB_IMG *)image;
GEOM_RECT *source = (GEOM_RECT *)VARGOPT(source, NULL);
int zoom;
int x, y, sx, sy, sw, sh;
int i, j, xr, yr;
bool border;
GB_COLOR borderColor;
int antialias = FALSE;
GB_RECT rect;
float opacity = 1.0; //VARGOPT(opacity, 1.0);
CHECK_DEVICE();
CHECK_PATH();
if (GB.CheckObject(image))
return;
zoom = VARG(zoom);
if (zoom < 1)
{
GB.Error("Bad zoom factor");
return;
}
x = VARGOPT(x, 0);
y = VARGOPT(y, 0);
if (source)
{
sx = source->x;
sy = source->y;
sw = source->w;
sh = source->h;
}
else
{
sx = sy = 0;
sw = info->width;
sh = info->height;
}
DRAW_NORMALIZE(x, y, sw, sh, sx, sy, sw, sh, info->width, info->height);
//DRAW->Fill.GetOrigin(THIS, &ox, &oy);
PAINT->Save(THIS);
PAINT->Antialias(THIS, TRUE, &antialias);
borderColor = VARGOPT(grid, GB_COLOR_DEFAULT);
border = borderColor != GB_COLOR_DEFAULT;
rect.x = sx;
rect.y = sy;
rect.w = sw;
rect.h = sh;
PAINT->DrawImage(THIS, image, x, y, sw * zoom, sh * zoom, opacity, &rect);
if (border && zoom >= 3)
{
for (i = sx, xr = x; i < (sx + sw); i++, xr += zoom)
PAINT->FillRect(THIS, xr, y, 1, sh * zoom, borderColor);
for (j = sy, yr = y; j < (sy + sh); j++, yr += zoom)
PAINT->FillRect(THIS, x, yr, sw * zoom, 1, borderColor);
}
PAINT->Restore(THIS);
END_METHOD
#if 0
BEGIN_PROPERTY(Paint_LineStyle)
int v;
int count;
float dashes[6];
CHECK_DEVICE();
if (READ_PROPERTY)
{
GB.ReturnInteger(THIS->lineStyle);
return;
}
v = VPROP(GB_INTEGER);
switch (v)
{
case GB_PAINT_LINE_STYLE_NONE:
break;
case GB_PAINT_LINE_STYLE_SOLID:
PAINT->Dash(THIS, TRUE, NULL, &count);
break;
case GB_PAINT_LINE_STYLE_DASH:
dashes[0] = 3; dashes[1] = 3; count = 2;
PAINT->Dash(THIS, TRUE, dashes, &count);
break;
case GB_PAINT_LINE_STYLE_DOT:
dashes[0] = 1; dashes[1] = 3; count = 2;
PAINT->Dash(THIS, TRUE, dashes, &count);
break;
case GB_PAINT_LINE_STYLE_DASH_DOT:
dashes[0] = 3; dashes[1] = 3; dashes[2] = 3; dashes[3] = 1; dacount = 4;
PAINT->Dash(THIS, TRUE, dashes, &count);
break;
case GB_PAINT_LINE_STYLE_DASH_DOT_DOT:
dashes[0] = 3; dashes[1] = 3; dashes[2] = 3; dashes[3] = 1; dashes[4] = 3; dashes[5] = 1; dacount = 6;
PAINT->Dash(THIS, TRUE, dashes, &count);
break;
default:
return;
}
THIS->lineStyle = v;
END_PROPERTY
#endif
BEGIN_METHOD(Paint_FillRect, GB_FLOAT x; GB_FLOAT y; GB_FLOAT w; GB_FLOAT h; GB_INTEGER color)
CHECK_DEVICE();
CHECK_PATH();
PAINT->FillRect(THIS, VARG(x), VARG(y), VARG(w), VARG(h), VARG(color));
END_METHOD
BEGIN_PROPERTY(Paint_Tag)
CHECK_DEVICE();
if (READ_PROPERTY)
GB.ReturnObject(THIS->tag);
else
GB.StoreObject(PROP(GB_OBJECT), POINTER(&(THIS->tag)));
END_PROPERTY
#if 0
Static Public Sub DrawEllipsizedText(Text As String, X As Integer, Y As Integer, W As Integer, H As Integer, Optional Alignment As Integer = Align.TopLeft)
Dim aElt As String[] = Split(Text, " \n")
Dim sElt As String
Dim I As Integer
Dim HL As Integer = Paint.Font.Height
Dim YT, WT As Integer
Dim sText As String
YT = 0
For I = 0 To aElt.Max
sElt = aElt[I]
If (YT + HL * 2) > H Then
WT = Paint.Font.TextWidth(LTrim(sText & " " & sElt & "…"))
If WT > W Then
Paint.DrawText(sText & "…", X, Y + YT, W, H, Align.TopLeft)
Return
Endif
Else
WT = Paint.Font.TextWidth(LTrim(sText & " " & sElt))
If WT > W Then
Paint.DrawText(sText, X, Y + YT, W, H, Align.TopLeft)
sText = ""
YT += HL
Endif
Endif
sText = RTrim(sText & " " & sElt)
Next
Paint.DrawText(sText, X, Y + YT, W, H, Align.TopLeft)
End
#endif
//-- Style API --------------------------------------------------------------
#define GET_COORD() \
int x, y, w, h; \
\
CHECK_DEVICE(); \
\
x = VARG(x); \
y = VARG(y); \
w = VARG(w); \
h = VARG(h); \
\
if (w < 1 || h < 1) \
return;
GB_DESC PaintDesc[] =
{
GB_DECLARE("Paint", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_METHOD("_exit", NULL, Paint_exit, NULL),
GB_CONSTANT("ExtendPad", "i", GB_PAINT_EXTEND_PAD),
GB_CONSTANT("ExtendRepeat", "i", GB_PAINT_EXTEND_REPEAT),
GB_CONSTANT("ExtendReflect", "i", GB_PAINT_EXTEND_REFLECT),
GB_CONSTANT("FillRuleWinding", "i", GB_PAINT_FILL_RULE_WINDING),
GB_CONSTANT("FillRuleEvenOdd", "i", GB_PAINT_FILL_RULE_EVEN_ODD),
GB_CONSTANT("LineCapButt", "i", GB_PAINT_LINE_CAP_BUTT),
GB_CONSTANT("LineCapRound", "i", GB_PAINT_LINE_CAP_ROUND),
GB_CONSTANT("LineCapSquare", "i", GB_PAINT_LINE_CAP_SQUARE),
GB_CONSTANT("LineJoinMiter", "i", GB_PAINT_LINE_JOIN_MITER),
GB_CONSTANT("LineJoinRound", "i", GB_PAINT_LINE_JOIN_ROUND),
GB_CONSTANT("LineJoinBevel", "i", GB_PAINT_LINE_JOIN_BEVEL),
GB_CONSTANT("OperatorClear", "i", GB_PAINT_OPERATOR_CLEAR),
GB_CONSTANT("OperatorSource", "i", GB_PAINT_OPERATOR_SOURCE),
GB_CONSTANT("OperatorOver", "i", GB_PAINT_OPERATOR_OVER),
GB_CONSTANT("OperatorIn", "i", GB_PAINT_OPERATOR_IN),
GB_CONSTANT("OperatorOut", "i", GB_PAINT_OPERATOR_OUT),
GB_CONSTANT("OperatorATop", "i", GB_PAINT_OPERATOR_ATOP),
GB_CONSTANT("OperatorDest", "i", GB_PAINT_OPERATOR_DEST),
GB_CONSTANT("OperatorDestOver", "i", GB_PAINT_OPERATOR_DEST_OVER),
GB_CONSTANT("OperatorDestIn", "i", GB_PAINT_OPERATOR_DEST_IN),
GB_CONSTANT("OperatorDestOut", "i", GB_PAINT_OPERATOR_DEST_OUT),
GB_CONSTANT("OperatorDestATop", "i", GB_PAINT_OPERATOR_DEST_ATOP),
GB_CONSTANT("OperatorXor", "i", GB_PAINT_OPERATOR_XOR),
GB_CONSTANT("OperatorAdd", "i", GB_PAINT_OPERATOR_ADD),
GB_CONSTANT("OperatorSaturate", "i", GB_PAINT_OPERATOR_SATURATE),
GB_STATIC_METHOD("Begin", NULL, Paint_Begin, "(Device)o[(Area)RectF]"),
GB_STATIC_METHOD("End", NULL, Paint_End, NULL),
GB_STATIC_PROPERTY_READ("Device", "o", Paint_Device),
GB_STATIC_PROPERTY_READ("W", "f", Paint_Width),
GB_STATIC_PROPERTY_READ("H", "f", Paint_Height),
GB_STATIC_PROPERTY_READ("Width", "f", Paint_Width),
GB_STATIC_PROPERTY_READ("Height", "f", Paint_Height),
GB_STATIC_PROPERTY_READ("ResolutionX", "i", Paint_ResolutionX),
GB_STATIC_PROPERTY_READ("ResolutionY", "i", Paint_ResolutionY),
GB_STATIC_PROPERTY("AntiAlias", "b", Paint_Antialias),
GB_STATIC_PROPERTY("_Invert", "b", Paint_Invert),
GB_STATIC_PROPERTY("_FillStyle", "i", Paint_FillStyle),
GB_STATIC_PROPERTY("Background", "i", Paint_Background),
GB_STATIC_PROPERTY("_Tag", "o", Paint_Tag),
GB_STATIC_METHOD("Save", NULL, Paint_Save, NULL),
GB_STATIC_METHOD("Restore", NULL, Paint_Restore, NULL),
GB_STATIC_METHOD("Clip", NULL, Paint_Clip, "[(Preserve)b]"),
GB_STATIC_METHOD("ResetClip", NULL, Paint_ResetClip, NULL),
GB_STATIC_PROPERTY_READ("ClipExtents", "PaintExtents", Paint_ClipExtents),
GB_STATIC_PROPERTY("ClipRect", "Rect", Paint_ClipRect),
GB_STATIC_METHOD("Fill", NULL, Paint_Fill, "[(Preserve)b]"),
//GB_STATIC_PROPERTY_READ("FillExtents", "PaintExtents", Paint_FillExtents),
//GB_STATIC_METHOD("InFill", "b", Paint_InFill, "(X)f(Y)f"),
//GB_STATIC_METHOD("Mask", NULL, CAIRO_mask, "(Pattern)CairoPattern;"),
//GB_STATIC_METHOD("Paint", NULL, CAIRO_paint, "[(Alpha)f]"),
GB_STATIC_METHOD("Stroke", NULL, Paint_Stroke, "[(Preserve)b]"),
//GB_STATIC_PROPERTY_READ("StrokeExtents", "PaintExtents", Paint_StrokeExtents),
//GB_STATIC_METHOD("InStroke", "b", Paint_InStroke, "(X)f(Y)f"),
GB_STATIC_PROPERTY_READ("PathExtents", "PaintExtents", Paint_PathExtents),
GB_STATIC_METHOD("PathContains", "b", Paint_PathContains, "(X)f(Y)f"),
GB_STATIC_PROPERTY_READ("PathOutline", "PointF[][]", Paint_PathOutline),
GB_STATIC_PROPERTY("Brush", "PaintBrush", Paint_Brush),
GB_STATIC_PROPERTY("BrushOrigin", "PointF", Paint_BrushOrigin),
GB_STATIC_PROPERTY("Dash", "Float[]", Paint_Dash),
GB_STATIC_PROPERTY("DashOffset", "f", Paint_DashOffset),
GB_STATIC_PROPERTY("FillRule", "i", Paint_FillRule),
GB_STATIC_PROPERTY("LineCap", "i", Paint_LineCap),
GB_STATIC_PROPERTY("LineJoin", "i", Paint_LineJoin),
GB_STATIC_PROPERTY("LineWidth", "f", Paint_LineWidth),
//GB_STATIC_PROPERTY("LineStyle", "i", Paint_LineStyle),
GB_STATIC_PROPERTY("MiterLimit", "f", Paint_MiterLimit),
GB_STATIC_PROPERTY("Operator", "i", Paint_Operator),
//GB_STATIC_PROPERTY("Tolerance", "f", CAIRO_tolerance),
GB_STATIC_METHOD("NewPath", NULL, Paint_NewPath, NULL),
GB_STATIC_METHOD("ClosePath", NULL, Paint_ClosePath, NULL),
GB_STATIC_PROPERTY_READ("X", "f", Paint_X),
GB_STATIC_PROPERTY_READ("Y", "f", Paint_Y),
GB_STATIC_METHOD("Rectangle", NULL, Paint_Rectangle, "(X)f(Y)f(Width)f(Height)f[(Radius)f]"),
GB_STATIC_METHOD("FillRect", NULL, Paint_FillRect, "(X)f(Y)f(Width)f(Height)f(Color)i"),
GB_STATIC_METHOD("Arc", NULL, Paint_Arc, "(XC)f(YC)f(Radius)f[(Angle)f(Length)f(Pie)b]"),
GB_STATIC_METHOD("Ellipse", NULL, Paint_Ellipse, "(X)f(Y)f(Width)f(Height)f[(Angle)f(Length)f(Pie)b]"),
GB_STATIC_METHOD("Polygon", NULL, Paint_Polygon, "(Points)Float[];"),
GB_STATIC_METHOD("CurveTo", NULL, Paint_CurveTo, "(X1)f(Y1)f(X2)f(Y2)f(X3)f(Y3)f"),
GB_STATIC_METHOD("RelCurveTo", NULL, Paint_RelCurveTo, "(X1)f(Y1)f(X2)f(Y2)f(X3)f(Y3)f"),
GB_STATIC_METHOD("LineTo", NULL, Paint_LineTo, "(X)f(Y)f"),
GB_STATIC_METHOD("RelLineTo", NULL, Paint_RelLineTo, "(X)f(Y)f"),
GB_STATIC_METHOD("MoveTo", NULL, Paint_MoveTo, "(X)f(Y)f"),
GB_STATIC_METHOD("RelMoveTo", NULL, Paint_RelMoveTo, "(X)f(Y)f"),
GB_STATIC_PROPERTY("Font", "Font", Paint_Font),
GB_STATIC_METHOD("Text", NULL, Paint_Text, "(Text)s[(X)f(Y)f(Width)f(Height)f(Alignment)i)]"),
GB_STATIC_METHOD("TextSize", "RectF", Paint_TextSize, "(Text)s"),
GB_STATIC_METHOD("RichText", NULL, Paint_RichText, "(Text)s[(X)f(Y)f(Width)f(Height)f(Alignment)i)]"),
GB_STATIC_METHOD("RichTextSize", "RectF", Paint_RichTextSize, "(Text)s[(Width)f]"),
GB_STATIC_METHOD("DrawText", NULL, Paint_DrawText, "(Text)s[(X)f(Y)f(Width)f(Height)f(Alignment)i)]"),
GB_STATIC_METHOD("DrawRichText", NULL, Paint_DrawRichText, "(Text)s[(X)f(Y)f(Width)f(Height)f(Alignment)i)]"),
GB_STATIC_METHOD("TextExtents", "PaintExtents", Paint_TextExtents, "(Text)s"),
GB_STATIC_METHOD("RichTextExtents", "PaintExtents", Paint_RichTextExtents, "(Text)s[(Width)f]"),
GB_STATIC_METHOD("Color", "PaintBrush", Paint_Color, "(Color)i"),
GB_STATIC_METHOD("Image", "PaintBrush", Paint_Image, "(Image)Image;[(X)f(Y)f]"),
GB_STATIC_METHOD("LinearGradient", "PaintBrush", Paint_LinearGradient, "(X0)f(Y0)f(X1)f(Y1)f(Colors)Integer[];(Positions)Float[];[(Extend)i]"),
GB_STATIC_METHOD("RadialGradient", "PaintBrush", Paint_RadialGradient, "(CX)f(CY)f(Radius)f(FX)f(FY)f(Colors)Integer[];(Positions)Float[];[(Extend)i]"),
GB_STATIC_PROPERTY("Matrix", "PaintMatrix", Paint_Matrix),
GB_STATIC_METHOD("Reset", NULL, Paint_Reset, NULL),
GB_STATIC_METHOD("Translate", NULL, Paint_Translate, "(TX)f(TY)f"),
GB_STATIC_METHOD("Scale", NULL, Paint_Scale, "(SX)f(SY)f"),
GB_STATIC_METHOD("Rotate", NULL, Paint_Rotate, "(Angle)f"),
//GB_STATIC_METHOD("Clear", NULL, Paint_Clear, NULL),
GB_STATIC_METHOD("DrawImage", NULL, Paint_DrawImage, "(Image)Image;(X)f(Y)f[(Width)f(Height)f(Opacity)f(Source)Rect;]"),
GB_STATIC_METHOD("DrawPicture", NULL, Paint_DrawPicture, "(Picture)Picture;(X)f(Y)f[(Width)f(Height)f(Source)Rect;]"),
GB_STATIC_METHOD("ZoomImage", NULL, Paint_ZoomImage, "(Image)Image;(Zoom)i(X)i(Y)i[(Grid)i(Source)Rect;]"),
GB_END_DECLARE
};