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Amiga Collections: Software of the Month Club
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Amiga General Interest Volume 220 (1995)(SOMC)(Disk 2 of y)[SMCxxxC30Ix].zip
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Amiga General Interest Volume 220 (1995)(SOMC)(Disk 2 of y)[SMCxxxC30Ix].adf
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char.c
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C/C++ Source or Header
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1995-09-30
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19KB
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691 lines
/*********************/
/* */
/* Character editing */
/* */
/*********************/
#include "Typeface.h"
ULONG PixelBorder = 1;
extern struct Preferences Prefs;
struct VectorItem LineArrowLeft[] =
{ 10,10,VIF_SCALE,
SHADOWPEN,0,VIF_DRIPEN,
2, 5,VIF_MOVE,
8, 2,VIF_DRAW,
8, 8,VIF_DRAW,
2, 5,VIF_DRAW,
0, 0,VIF_LASTITEM };
struct VectorItem LineArrowRight[] =
{ 10,10,VIF_SCALE,
SHADOWPEN,0,VIF_DRIPEN,
8, 5,VIF_MOVE,
2, 2,VIF_DRAW,
2, 8,VIF_DRAW,
8, 5,VIF_DRAW,
0, 0,VIF_LASTITEM };
struct VectorItem SolidArrowLeft[] =
{ 10,10,VIF_SCALE,
SHADOWPEN,0,VIF_AOLDRIPEN,
0, 0,VIF_AREASTART,
2, 5,VIF_MOVE,
8, 2,VIF_DRAW,
8, 8,VIF_DRAW,
2, 5,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem SolidArrowRight[] =
{ 10,10,VIF_SCALE,
SHADOWPEN,0,VIF_AOLDRIPEN,
0, 0,VIF_AREASTART,
8, 5,VIF_MOVE,
2, 2,VIF_DRAW,
2, 8,VIF_DRAW,
8, 5,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem SolidArrowUp[] =
{ 11,11,VIF_SCALE,
SHADOWPEN,0,VIF_AOLDRIPEN,
0, 0,VIF_AREASTART,
5, 2,VIF_MOVE,
2, 8,VIF_DRAW,
8, 8,VIF_DRAW,
5, 2,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem SolidArrowDown[] =
{ 11,11,VIF_SCALE,
SHADOWPEN,0,VIF_AOLDRIPEN,
0, 0,VIF_AREASTART,
5, 8,VIF_MOVE,
2, 2,VIF_DRAW,
8, 2,VIF_DRAW,
5, 8,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem KernImage[] =
{ 11,11,VIF_SCALE,
SHINEPEN,0,VIF_AOLDRIPEN,
SHINEPEN,0,VIF_DRIPEN,
0, 0,VIF_AREASTART,
2, 2,VIF_MOVE,
2, 8,VIF_DRAW,
5, 8,VIF_DRAW,
2, 2,VIF_DRAW,
0, 0,VIF_AREAEND,
SHADOWPEN,0,VIF_AOLDRIPEN,
SHADOWPEN,0,VIF_DRIPEN,
0, 0,VIF_AREASTART,
5, 2,VIF_MOVE,
8, 2,VIF_DRAW,
8, 8,VIF_DRAW,
5, 2,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem WidthImage[] =
{ 10,10,VIF_SCALE,
SHINEPEN,0,VIF_DRIPEN,
SHADOWPEN,0,VIF_AOLDRIPEN,
0, 0,VIF_AREASTART,
2, 5,VIF_MOVE,
8, 2,VIF_DRAW,
8, 8,VIF_DRAW,
2, 5,VIF_DRAW,
0, 0,VIF_AREAEND,
0, 0,VIF_LASTITEM };
struct VectorItem ZoomInImage[] =
{ 22,10,VIF_SCALE,
SHADOWPEN,0,VIF_DRIPEN,
5, 5,VIF_MOVE,
16, 5,VIF_DRAW,
10, 2,VIF_MOVE
10, 8,VIF_DRAW,
11, 2,VIF_MOVE
11, 8,VIF_DRAW,
0, 0,VIF_LASTITEM };
struct VectorItem ZoomOutImage[] =
{ 22,10,VIF_SCALE,
SHADOWPEN,0,VIF_DRIPEN,
5, 5,VIF_MOVE,
16, 5,VIF_DRAW,
0, 0,VIF_LASTITEM };
struct CharNode *OpenCharWin(ULONG charnum,struct IBox size)
{
extern struct Screen *Screen;
extern struct List *CharWndList;
extern struct MsgPort *WndMsgPort;
extern struct Image *SizeImage, *LeftImage, *RightImage;
extern struct Image *UpImage, *DownImage;
extern Class *EditClass;
extern struct Character CharBuffer[256];
extern BOOL MaxWindow, ShowBLine, DataChanged;
extern ULONG Baseline;
extern struct NewMenu CharMenus[];
struct CharNode *node;
Object *extobj, *toolbar, *toolbarsub, *wingroup;
ULONG gw,gh,top;
UWORD width,height;
static ULONG scroll2edit[] = { GA_ID,EG_Update,TAG_DONE };
if ((node = CreateNode(sizeof(struct CharNode),CharWndList)) == NULL)
Quit();
if ((node->chln_Title = AllocVec(256,MEMF_CLEAR)) == NULL)
ErrorCode(ALLOCVEC);
if (charnum > 0)
{
if (charnum == 256)
sprintf(node->chln_Title,GetString(msgBlankTitle));
else
sprintf(node->chln_Title,GetString(msgCharTitle),
(char)charnum,charnum,charnum);
}
else sprintf(node->chln_Title,GetString(msgZeroTitle));
if ((node->chln_Hook = AllocVec(sizeof(struct Hook),MEMF_CLEAR)) == NULL)
ErrorCode(ALLOCVEC);
node->chln_Hook->h_Entry = CharHook;
node->chln_Hook->h_Data = node;
node->chln_Character = CharBuffer+charnum;
node->chln_Number = charnum;
width = (Prefs.PixelX*node->chln_Character->chr_Width)+(2*EG_XOFFSET)+
(2*SizeX(4))+Screen->WBorLeft+UpImage->Width;
if (width < size.Width) size.Width = width;
if (MaxWindow) size.Width = width;
height = (Prefs.PixelY*node->chln_Character->chr_Height)+(2*EG_YOFFSET)+1+
(2*SizeY(2))+Screen->WBorTop+Screen->Font->ta_YSize+LeftImage->Height;
toolbar =
BGUI_NewObject(BGUI_GROUP_GADGET,GROUP_Spacing,SizeX(4),TAG_DONE);
if (Prefs.ToolBar & (FTBAR_WIDTHL|FTBAR_WIDTHR))
{
toolbarsub = BGUI_NewObject(BGUI_GROUP_GADGET,TAG_DONE);
if (Prefs.ToolBar & FTBAR_WIDTHL)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,LineArrowLeft,
ButtonFrame,
GA_ID,ID_WIDTHL,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_WIDTHR)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,LineArrowRight,
ButtonFrame,
GA_ID,ID_WIDTHR,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
DoMethod(toolbar,GRM_ADDMEMBER,toolbarsub,TAG_DONE);
}
if (Prefs.ToolBar & (FTBAR_MOVEL|FTBAR_MOVER|FTBAR_MOVEU|FTBAR_MOVED))
{
if (node->chln_ToolBarWidth) node->chln_ToolBarWidth += SizeX(4);
toolbarsub = BGUI_NewObject(BGUI_GROUP_GADGET,TAG_DONE);
if (Prefs.ToolBar & FTBAR_MOVEL)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,SolidArrowLeft,
ButtonFrame,
GA_ID,ID_MOVEL,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_MOVER)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,SolidArrowRight,
ButtonFrame,
GA_ID,ID_MOVER,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_MOVEU)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,SolidArrowUp,
ButtonFrame,
GA_ID,ID_MOVEU,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_MOVED)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,SolidArrowDown,
ButtonFrame,
GA_ID,ID_MOVED,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
DoMethod(toolbar,GRM_ADDMEMBER,toolbarsub,TAG_DONE);
}
if (Prefs.ToolBar & (FTBAR_KERN|FTBAR_WIDTH))
{
if (node->chln_ToolBarWidth) node->chln_ToolBarWidth += SizeX(4);
toolbarsub = BGUI_NewObject(BGUI_GROUP_GADGET,TAG_DONE);
if (Prefs.ToolBar & FTBAR_KERN)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,KernImage,
ButtonFrame,
GA_ID,ID_KERNING,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_WIDTH)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,WidthImage,
ButtonFrame,
GA_ID,ID_WIDTHC,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
DoMethod(toolbar,GRM_ADDMEMBER,toolbarsub,TAG_DONE);
}
if (Prefs.ToolBar & (FTBAR_ZOOMIN|FTBAR_ZOOMOUT))
{
if (node->chln_ToolBarWidth) node->chln_ToolBarWidth += SizeX(4);
toolbarsub = BGUI_NewObject(BGUI_GROUP_GADGET,TAG_DONE);
if (Prefs.ToolBar & FTBAR_ZOOMIN)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,ZoomInImage,
ButtonFrame,
GA_ID,ID_ZOOMIN,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
if (Prefs.ToolBar & FTBAR_ZOOMOUT)
{
DoMethod(toolbarsub,GRM_ADDMEMBER,
ButtonObject,
VIT_VectorArray,ZoomOutImage,
ButtonFrame,
GA_ID,ID_ZOOMOUT,
EndObject,
FixWidth(22),FixHeight(Prefs.VecHeight),TAG_DONE);
node->chln_ToolBarWidth += 22;
}
DoMethod(toolbar,GRM_ADDMEMBER,toolbarsub,TAG_DONE);
}
if (node->chln_ToolBarWidth > 0)
{
height += Prefs.VecHeight+SizeY(2);
node->chln_ToolBarHeight = Prefs.VecHeight+SizeY(2);
}
if (height < size.Height) size.Height = height;
SetupMenus(CharMenus);
node->chln_Object = WindowObject,
WINDOW_Screen,Screen,
WINDOW_SharedPort,WndMsgPort,
WINDOW_MenuStrip,CharMenus,
WINDOW_Title,node->chln_Title,
WINDOW_Bounds,&size,
WINDOW_HelpFile,NAME".guide",
WINDOW_HelpNode,"char",
WINDOW_IDCMPHook,node->chln_Hook,
WINDOW_IDCMPHookBits,IDCMP_CHANGEWINDOW,
WINDOW_SizeRight,TRUE,
WINDOW_SizeBottom,TRUE,
WINDOW_CloseOnEsc,TRUE,
WINDOW_MasterGroup,
wingroup = VGroupObject,
HOffset(SizeX(4)),VOffset(SizeY(2)),Spacing(SizeY(2)),
StartMember,
extobj = ExternalObject,
EXT_MinWidth,(2*Prefs.PixelX)+(2*EG_XOFFSET)-2,
EXT_MinHeight,(2*Prefs.PixelY)+(2*EG_YOFFSET)-2,
EXT_Class,EditClass,
EXT_NoRebuild,TRUE,
EG_PixelX,Prefs.PixelX,
EG_PixelY,Prefs.PixelY,
EG_CharNode,node,
EG_CharStruct,node->chln_Character,
EG_PixelBorder,PixelBorder,
EG_ShowBaseline,ShowBLine,
EG_Baseline,Baseline,
EG_ChangePtr,&DataChanged,
GA_Disabled,FALSE,
GA_ID,ID_EDIT,
EndObject,
EndMember,
EndObject,
EndObject;
if (node->chln_Object == NULL) ErrorCode(NEWWINDOW);
node->chln_MinPixelX = Prefs.PixelX;
node->chln_MinPixelY = Prefs.PixelY;
node->chln_CurPixelX = node->chln_MinPixelX;
node->chln_CurPixelY = node->chln_MinPixelY;
if (node->chln_ToolBarHeight > 0)
DoMethod(wingroup,GRM_INSERTMEMBER,toolbar,NULL,FixMinSize,TAG_DONE);
if ((node->chln_Window = WindowOpen(node->chln_Object)) == NULL)
ErrorCode(OPENWINDOW);
gh = MAX(LeftImage->Height,RightImage->Height);
gh = MAX(SizeImage->Height,gh);
gw = MAX(UpImage->Width,DownImage->Width);
gw = MAX(SizeImage->Width,gw);
top = Screen->WBorTop+Screen->Font->ta_YSize+1;
GetAttr(EXT_Object,extobj,&(node->chln_EditGadg));
if ((node->chln_HorizGadg = CreatePropGadg(FREEHORIZ,
GA_Left,3,
GA_RelBottom,3-gh,
GA_RelWidth,-5-gw-LeftImage->Width-RightImage->Width,
GA_Height,gh-4,
GA_BottomBorder,TRUE,
GA_ID,GADG_HORIZ,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,
PGA_Total,node->chln_Character->chr_Width,
PGA_Visible,node->chln_Character->chr_Width,TAG_DONE)) == NULL)
ErrorCode(NEWPROP);
if ((node->chln_VertGadg = CreatePropGadg(FREEVERT,
GA_RelRight,5-gw,
GA_Top,top+1,
GA_Width,gw-8,
GA_RelHeight,-top-SizeImage->Height-UpImage->Height-DownImage->Height-2,
GA_RightBorder,TRUE,
GA_Previous,node->chln_HorizGadg,
GA_ID,GADG_VERT,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,
PGA_Total,node->chln_Character->chr_Height,
PGA_Visible,node->chln_Character->chr_Height,TAG_DONE)) == NULL)
ErrorCode(NEWPROP);
if ((node->chln_LeftGadg = CreateButtonGadg(LeftImage,
GA_RelRight,1-LeftImage->Width-RightImage->Width-gw,
GA_RelBottom,1-LeftImage->Height,
GA_BottomBorder,TRUE,
GA_Previous,node->chln_VertGadg,
GA_ID,GADG_LEFT,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,TAG_DONE)) == NULL) ErrorCode(NEWBUTTON);
if ((node->chln_RightGadg = CreateButtonGadg(RightImage,
GA_RelRight,1-RightImage->Width-gw,
GA_RelBottom,1-RightImage->Height,
GA_BottomBorder,TRUE,
GA_Previous,node->chln_LeftGadg,
GA_ID,GADG_RIGHT,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,TAG_DONE)) == NULL) ErrorCode(NEWBUTTON);
if ((node->chln_UpGadg = CreateButtonGadg(UpImage,
GA_RelRight,1-UpImage->Width,
GA_RelBottom,1-UpImage->Height-DownImage->Height-SizeImage->Height,
GA_RightBorder,TRUE,
GA_Previous,node->chln_RightGadg,
GA_ID,GADG_UP,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,TAG_DONE)) == NULL) ErrorCode(NEWBUTTON);
if ((node->chln_DownGadg = CreateButtonGadg(DownImage,
GA_RelRight,1-DownImage->Width,
GA_RelBottom,1-DownImage->Height-SizeImage->Height,
GA_RightBorder,TRUE,
GA_Previous,node->chln_UpGadg,
GA_ID,GADG_DOWN,
ICA_TARGET,node->chln_EditGadg,
ICA_MAP,scroll2edit,TAG_DONE)) == NULL) ErrorCode(NEWBUTTON);
AddGList(node->chln_Window,node->chln_HorizGadg,-1,-1,NULL);
SetScrollers(node);
RefreshGList(node->chln_HorizGadg,node->chln_Window,NULL,-1);
}
void CloseCharWin(struct CharNode *node)
{
extern struct Window *WidthWnd, *KernWnd;
extern struct CharNode *WidthNode, *KernNode;
ClrWindowClose(&(node->chln_Object),&(node->chln_Window));
ClrDisposeObject(&(node->chln_Object));
if (node->chln_Title)
{
FreeVec(node->chln_Title);
node->chln_Title = NULL;
}
ClrDisposeObject(&(node->chln_HorizGadg));
ClrDisposeObject(&(node->chln_VertGadg));
ClrDisposeObject(&(node->chln_LeftGadg));
ClrDisposeObject(&(node->chln_RightGadg));
ClrDisposeObject(&(node->chln_UpGadg));
ClrDisposeObject(&(node->chln_DownGadg));
if (node->chln_Hook)
{
FreeVec(node->chln_Hook);
node->chln_Hook = NULL;
}
if ((WidthWnd) && (WidthNode == node)) CloseWidthWnd(FALSE);
if ((KernWnd) && (KernNode == node)) CloseKernWnd(FALSE);
}
Object *CreateSysImage(ULONG which,struct DrawInfo *dri)
{
return (NewObject(NULL,SYSICLASS,
SYSIA_DrawInfo,dri,
SYSIA_Which,which,TAG_DONE));
}
Object *CreatePropGadg(ULONG freedom,Tag tag1,...)
{
return (NewObject(NULL,PROPGCLASS,
PGA_Freedom,freedom,
PGA_NewLook,TRUE,
PGA_Borderless,TRUE,
TAG_MORE,&tag1));
}
Object *CreateButtonGadg(Object *image,Tag tag1,...)
{
return (NewObject(NULL,BUTTONGCLASS,
GA_Image,image,
TAG_MORE,&tag1));
}
__geta4 void CharHook(__a0 struct Hook *hook, __a2 Object *o,
__a1 struct IntuiMessage *msg)
{
if ((msg->Class == IDCMP_CHANGEWINDOW) && (msg->Code == CWCODE_MOVESIZE))
ForceResizeChar(hook->h_Data);
}
void ForceResizeChar(struct CharNode *node)
{
struct Character *chr;
LONG l,t,w,h;
chr = node->chln_Character;
GetAttr(EG_XOffset,node->chln_EditGadg,&l);
GetAttr(EG_YOffset,node->chln_EditGadg,&t);
GetAttr(EG_Width,node->chln_EditGadg,&w);
GetAttr(EG_Height,node->chln_EditGadg,&h);
if (chr->chr_Width - l < w) l = chr->chr_Width - w;
if (l < 0) l = 0;
if (chr->chr_Height - t < h) t = chr->chr_Height - h;
if (t < 0) t = 0;
SetGadgetAttrs(node->chln_EditGadg,node->chln_Window,NULL,
EG_XOffset,l,EG_YOffset,t,TAG_DONE);
SetScrollers(node);
}
void SetScrollers(struct CharNode *node)
{
ULONG l,t,w,h;
GetAttr(EG_XOffset,node->chln_EditGadg,&l);
GetAttr(EG_YOffset,node->chln_EditGadg,&t);
GetAttr(EG_Width,node->chln_EditGadg,&w);
GetAttr(EG_Height,node->chln_EditGadg,&h);
SetGadgetAttrs(node->chln_HorizGadg,node->chln_Window,NULL,
PGA_Top,l,PGA_Visible,w,TAG_DONE);
SetGadgetAttrs(node->chln_VertGadg,node->chln_Window,NULL,
PGA_Top,t,PGA_Visible,h,TAG_DONE);
}
void RedrawEdit(struct CharNode *node)
{
SetGadgetAttrs(node->chln_HorizGadg,node->chln_Window,NULL,
PGA_Total,node->chln_Character->chr_Width,TAG_DONE);
SetGadgetAttrs(node->chln_VertGadg,node->chln_Window,NULL,
PGA_Total,node->chln_Character->chr_Height,TAG_DONE);
SetGadgetAttrs(node->chln_EditGadg,node->chln_Window,NULL,
EG_Baseline,Baseline,
EG_Update,GADG_NONE,TAG_DONE);
ForceResizeChar(node);
}
void MoveLeft(struct CharNode *node,struct Character *chr)
{
ULONG i,j;
if (node != NULL) chr = node->chln_Character;
if ((chr->chr_Data) && (chr->chr_Width > 0))
{
for (j = 0; j < chr->chr_Height; j++)
{
for (i = 0; i < chr->chr_Width-1; i++) DATA(i,j) = DATA(i+1,j);
DATA(chr->chr_Width-1,j) = 0;
}
if (node != NULL) RedrawEdit(node);
}
}
void MoveRight(struct CharNode *node,struct Character *chr)
{
ULONG i,j;
if (node != NULL) chr = node->chln_Character;
if ((chr->chr_Data) && (chr->chr_Width > 0))
{
for (j = 0; j < chr->chr_Height; j++)
{
for (i = chr->chr_Width-1; i > 0; i--) DATA(i,j) = DATA(i-1,j);
DATA(0,j) = 0;
}
if (node != NULL) RedrawEdit(node);
}
}
void MoveUp(struct CharNode *node,struct Character *chr)
{
ULONG i,j;
if (node != NULL) chr = node->chln_Character;
if ((chr->chr_Data) && (chr->chr_Height > 0))
{
for (i = 0; i < chr->chr_Width; i++)
{
for (j = 0; j < chr->chr_Height-1; j++) DATA(i,j) = DATA(i,j+1);
DATA(i,chr->chr_Height-1) = 0;
}
if (node != NULL) RedrawEdit(node);
}
}
void MoveDown(struct CharNode *node,struct Character *chr)
{
ULONG i,j;
if (node != NULL) chr = node->chln_Character;
if ((chr->chr_Data) && (chr->chr_Height > 0))
{
for (i = 0; i < chr->chr_Width; i++)
{
for (j = chr->chr_Height-1; j > 0; j--) DATA(i,j) = DATA(i,j-1);
DATA(i,0) = 0;
}
if (node != NULL) RedrawEdit(node);
}
}
void MoveAll(void (*MoveFunction)())
{
struct Character *chr;
ULONG i;
for (i = 0; i < 257; i++)
{
chr = CharBuffer+i;
MoveFunction(NULL,chr);
}
RedrawAll();
}
void RedrawAll()
{
struct CharNode *node;
node = CharWndList->lh_Head;
while (node->chln_Node.ln_Succ)
{
RedrawEdit(node);
CheckWidthKern(node->chln_Character);
node = node->chln_Node.ln_Succ;
}
}
void ZoomIn(struct CharNode *node)
{
ULONG x,y,max_x,max_y;
GetAttr(EG_PixelX,node->chln_EditGadg,&x);
GetAttr(EG_PixelY,node->chln_EditGadg,&y);
max_x = node->chln_Window->Width-(2*EG_XOFFSET)-(2*SizeX(4))-
Screen->WBorLeft-UpImage->Width;
max_y = node->chln_Window->Height-(2*EG_YOFFSET)-1-(2*SizeY(2))-
Screen->WBorTop-Screen->Font->ta_YSize-LeftImage->Height-
node->chln_ToolBarHeight;
if ((x*4 <= max_x) && (y*4 <= max_y))
{
SetGadgetAttrs(node->chln_EditGadg,node->chln_Window,NULL,
EG_PixelX,x*2,
EG_PixelY,y*2,
EG_Update,GADG_NONE,TAG_DONE);
SetScrollers(node);
SetMinWindowSize(node,x);
}
else DisplayBeep(node->chln_Window->WScreen);
}
void ZoomOut(struct CharNode *node)
{
ULONG x,y;
GetAttr(EG_PixelX,node->chln_EditGadg,&x);
GetAttr(EG_PixelY,node->chln_EditGadg,&y);
if ((x/2 >= 2) && (y/2 >= 2))
{
SetGadgetAttrs(node->chln_EditGadg,node->chln_Window,NULL,
EG_PixelX,x/2,
EG_PixelY,y/2,
EG_Update,GADG_NONE,TAG_DONE);
SetScrollers(node);
SetMinWindowSize(node,x);
}
else DisplayBeep(node->chln_Window->WScreen);
}
void SetMinWindowSize(struct CharNode *node, ULONG oldx)
{
ULONG x,y;
GetAttr(EG_PixelX,node->chln_EditGadg,&x);
GetAttr(EG_PixelY,node->chln_EditGadg,&y);
if (2*(oldx+EG_XOFFSET) < node->chln_ToolBarWidth)
{
if (2*(x+EG_XOFFSET) > node->chln_ToolBarWidth)
{
node->chln_Window->MinWidth -= node->chln_ToolBarWidth;
node->chln_Window->MinWidth += 2*(x+EG_XOFFSET);
}
}
else
{
if (2*(x+EG_XOFFSET) < node->chln_ToolBarWidth)
{
node->chln_Window->MinWidth += node->chln_ToolBarWidth;
node->chln_Window->MinWidth -= 2*(node->chln_CurPixelX+EG_XOFFSET);
}
else
{
node->chln_Window->MinWidth += 2*MAX(x,node->chln_MinPixelX);
node->chln_Window->MinWidth -= 2*node->chln_CurPixelX;
}
}
node->chln_CurPixelX = MAX(x,node->chln_MinPixelX);
node->chln_Window->MinHeight += 2*MAX(y,node->chln_MinPixelY);
node->chln_Window->MinHeight -= 2*node->chln_CurPixelY;
node->chln_CurPixelY = MAX(y,node->chln_MinPixelY);
}