index b78a175885a26b4652088019e36ac59cf8cdd50d..d0f967230f0c31c94f7e575f926414ed9927bc72 100644 (file)
interface
uses
-{$IFDEF USE_NANOGL}
- nanoGL,
-{$ELSE}
- GL, GLExt,
-{$ENDIF}
+ {$INCLUDE ../nogl/noGLuses.inc}
SysUtils, Classes, Math, e_log, e_texture, SDL2, MAPDEF, ImagingTypes, Imaging, ImagingUtility;
type
function e_CreateTextureMem(pData: Pointer; dataSize: LongInt; var ID: DWORD): Boolean;
function e_CreateTextureMemEx(pData: Pointer; dataSize: LongInt; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
procedure e_GetTextureSize(ID: DWORD; Width, Height: PWord);
-function e_GetTextureSize2(ID: DWORD): TRectWH;
procedure e_DeleteTexture(ID: DWORD);
procedure e_RemoveAllTextures();
Base: Uint32;
CharWidth: Byte;
CharHeight: Byte;
- XC, YC, SPC: Word;
+ XC, YC: WORD;
+ SPC: ShortInt;
end;
TCharFont = record
if Height <> nil then Height^ := e_Textures[ID].tx.Height;
end;
-function e_GetTextureSize2(ID: DWORD): TRectWH;
-var
- data: PChar;
- x, y: Integer;
- w, h: Word;
- a: Boolean;
- lastline: Integer;
-begin
- w := e_Textures[ID].tx.Width;
- h := e_Textures[ID].tx.Height;
-
- Result.Y := 0;
- Result.X := 0;
- Result.Width := w;
- Result.Height := h;
-
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support glGetTexImage
- if e_NoGraphics then Exit;
-
- data := GetMemory(w*h*4);
- glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
-
- for y := h-1 downto 0 do
- begin
- lastline := y;
- a := True;
-
- for x := 1 to w-4 do
- begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
- end;
-
- if a then
- begin
- Result.Y := h-lastline;
- Break;
- end;
- end;
-
- for y := 0 to h-1 do
- begin
- lastline := y;
- a := True;
-
- for x := 1 to w-4 do
- begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
- end;
-
- if a then
- begin
- Result.Height := h-lastline-Result.Y;
- Break;
- end;
- end;
-
- for x := 0 to w-1 do
- begin
- lastline := x;
- a := True;
-
- for y := 1 to h-4 do
- begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
- end;
-
- if a then
- begin
- Result.X := lastline+1;
- Break;
- end;
- end;
-
- for x := w-1 downto 0 do
- begin
- lastline := x;
- a := True;
-
- for y := 1 to h-4 do
- begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
- end;
-
- if a then
- begin
- Result.Width := lastline-Result.X+1;
- Break;
- end;
- end;
-
- FreeMemory(data);
-{$ENDIF}
-end;
-
procedure e_ResizeWindow(Width, Height: Integer);
begin
if Height = 0 then
procedure e_DrawQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byte = 0);
var
nX1, nY1, nX2, nY2: Integer;
+{$IFDEF USE_NANOGL}
+ v: array [0..15] of GLfloat;
+{$ENDIF}
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support glBegin(GL_LINES)
if e_NoGraphics then Exit;
// Only top-left/bottom-right quad
if X1 > X2 then
glDisable(GL_TEXTURE_2D);
glColor4ub(Red, Green, Blue, 255-Alpha);
glLineWidth(1);
-
+{$IFDEF USE_NANOGL}
+ nX1 := X1; nY1 := Y1;
+ nX2 := X2; nY2 := Y1;
+ e_LineCorrection(nX1, nY1, nX2, nY2);
+ v[0] := nX1; v[1] := nY1; v[2] := nX2; v[3] := nY2;
+
+ nX1 := X2; nY1 := Y1;
+ nX2 := X2; nY2 := Y2;
+ e_LineCorrection(nX1, nY1, nX2, nY2);
+ v[4] := nX1; v[5] := nY1; v[6] := nX2; v[7] := nY2;
+
+ nX1 := X2; nY1 := Y2;
+ nX2 := X1; nY2 := Y2;
+ e_LineCorrection(nX1, nY1, nX2, nY2);
+ v[8] := nX1; v[9] := nY1; v[10] := nX2; v[11] := nY2;
+
+ nX1 := X1; nY1 := Y2;
+ nX2 := X1; nY2 := Y1;
+ e_LineCorrection(nX1, nY1, nX2, nY2);
+ v[12] := nX1; v[13] := nY1; v[14] := nX2; v[15] := nY2;
+
+ glVertexPointer(2, GL_FLOAT, 0, @v[0]);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ glDrawArrays(GL_LINES, 0, 16);
+{$ELSE}
glBegin(GL_LINES);
nX1 := X1; nY1 := Y1;
nX2 := X2; nY2 := Y1;
glVertex2i(nX1, nY1);
glVertex2i(nX2, nY2);
glEnd();
+{$ENDIF}
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
glDisable(GL_BLEND);
-{$ENDIF}
end;
procedure e_DrawFillQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue, Alpha: Byte;
procedure e_DrawLine(Width: Byte; X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byte = 0);
+{$IFDEF USE_NANOGL}
+ var
+ v: array [0..3] of GLfloat;
+{$ENDIF}
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support glBegin(GL_LINES)
if e_NoGraphics then Exit;
// Pixel-perfect lines
if Width = 1 then
glColor4ub(Red, Green, Blue, 255-Alpha);
glLineWidth(Width);
+{$IFDEF USE_NANOGL}
+ v[0] := X1; v[1] := Y1; v[2] := X2; v[3] := Y2;
+ glVertexPointer(2, GL_FLOAT, 0, @v[0]);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ glDrawArrays(GL_LINES, 0, 4);
+{$ELSE}
glBegin(GL_LINES);
glVertex2i(X1, Y1);
glVertex2i(X2, Y2);
glEnd();
+{$ENDIF}
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
glDisable(GL_BLEND);
-{$ENDIF}
end;
//------------------------------------------------------------------
id := High(e_TextureFonts);
end;
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
with e_TextureFonts[id] do
begin
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
Base := glGenLists(XCount*YCount);
+{$ENDIF}
TextureID := e_Textures[Tex].tx.id;
CharWidth := (e_Textures[Tex].tx.Width div XCount)+Space;
CharHeight := e_Textures[Tex].tx.Height div YCount;
SPC := Space;
end;
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
glBindTexture(GL_TEXTURE_2D, e_Textures[Tex].tx.id);
for loop1 := 0 to XCount*YCount-1 do
begin
procedure e_TextureFontKill(FontID: DWORD);
begin
if e_NoGraphics then Exit;
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
glDeleteLists(e_TextureFonts[FontID].Base, 256);
{$ENDIF}
e_TextureFonts[FontID].Base := 0;
end;
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+procedure e_TextureFontDrawChar(ch: Char; FontID: DWORD);
+ var
+ index: Integer;
+ cx, cy: GLfloat;
+ Tex: Integer;
+ Width, Height: Integer;
+ XCount, YCount: Integer;
+begin
+ index := Ord(ch) - 32;
+ Tex := e_TextureFonts[FontID].Texture;
+ Width := e_Textures[Tex].tx.Width;
+ Height := e_Textures[Tex].tx.Height;
+ XCount := e_TextureFonts[FontID].XC;
+ YCount := e_TextureFonts[FontID].YC;
+ cx := (index mod XCount)/XCount;
+ cy := (index div YCount)/YCount;
+ glBegin(GL_QUADS);
+ glTexCoord2f(cx, 1 - cy - 1/YCount);
+ glVertex2i(0, Height div YCount);
+ glTexCoord2f(cx + 1/XCount, 1 - cy - 1/YCount);
+ glVertex2i(Width div XCount, Height div YCount);
+ glTexCoord2f(cx + 1/XCount, 1 - cy);
+ glVertex2i(Width div XCount, 0);
+ glTexCoord2f(cx, 1 - cy);
+ glVertex2i(0, 0);
+ glEnd();
+ glTranslatef((e_Textures[Tex].tx.Width div XCount) + e_TextureFonts[FontID].SPC, 0, 0);
+end;
+
+procedure e_TextureFontDrawString(Text: String; FontID: DWORD);
+ var
+ i: Integer;
+begin
+ for i := 1 to High(Text) do
+ e_TextureFontDrawChar(Text[i], FontID);
+end;
+{$ENDIF}
+
procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
if e_NoGraphics then Exit;
if Integer(FontID) > High(e_TextureFonts) then Exit;
if Text = '' then Exit;
glPushMatrix;
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
- glTranslated(x, y, 0);
+ glTranslatef(x, y, 0);
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+ e_TextureFontDrawString(Text, FontID);
+{$ELSE}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ENDIF}
glDisable(GL_TEXTURE_2D);
glPopMatrix;
glDisable(GL_BLEND);
-{$ENDIF}
end;
// god forgive me for this, but i cannot figure out how to do it without lists
procedure e_TextureFontPrintChar(X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
if e_NoGraphics then Exit;
glPushMatrix;
if Shadow then
begin
glColor4ub(0, 0, 0, 128);
- glTranslated(X+1, Y+1, 0);
+ glTranslatef(X+1, Y+1, 0);
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+ e_TextureFontDrawChar(Ch, FontID);
+{$ELSE}
glCallLists(1, GL_UNSIGNED_BYTE, @Ch);
+{$ENDIF}
glPopMatrix;
glPushMatrix;
end;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
- glTranslated(X, Y, 0);
+ glTranslatef(X, Y, 0);
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+ e_TextureFontDrawChar(Ch, FontID);
+{$ELSE}
glCallLists(1, GL_UNSIGNED_BYTE, @Ch);
+{$ENDIF}
glPopMatrix;
-{$ENDIF}
end;
procedure e_TextureFontPrintCharEx (X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
tc, c: TRGB;
w: Word;
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
if e_NoGraphics then Exit;
if Text = '' then Exit;
if e_TextureFonts = nil then Exit;
begin
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
+
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
+{$ENDIF}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
end;
-{$ENDIF}
end;
procedure e_TextureFontPrintEx(X, Y: GLint; Text: string; FontID: DWORD; Red, Green,
Blue: Byte; Scale: Single; Shadow: Boolean = False);
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
if e_NoGraphics then Exit;
if Text = '' then Exit;
glPushMatrix;
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
+
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
+{$ENDIF}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
if Shadow then
begin
glColor4ub(0, 0, 0, 128);
- glTranslated(x+1, y+1, 0);
+ glTranslatef(x+1, y+1, 0);
glScalef(Scale, Scale, 0);
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+ e_TextureFontDrawString(Text, FontID);
+{$ELSE}
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ENDIF}
glPopMatrix;
glPushMatrix;
end;
glColor4ub(Red, Green, Blue, 255);
- glTranslated(x, y, 0);
+ glTranslatef(x, y, 0);
glScalef(Scale, Scale, 0);
+{$IF DEFINED(USE_NANOGL) or DEFINED(USE_NOGL)}
+ e_TextureFontDrawString(Text, FontID);
+{$ELSE}
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ENDIF}
glDisable(GL_TEXTURE_2D);
glPopMatrix;
glColor3ub(e_Colors.R, e_Colors.G, e_Colors.B);
glDisable(GL_BLEND);
-{$ENDIF}
end;
procedure e_TextureFontGetSize(ID: DWORD; out CharWidth, CharHeight: Byte);
for i := 0 to High(e_TextureFonts) do
if e_TextureFonts[i].Base <> 0 then
begin
-{$IFNDEF USE_NANOGL} // FIXIT: nanoGL doesn't support gl-lists
+{$IF not DEFINED(USE_NANOGL) and not DEFINED(USE_NOGL)}
glDeleteLists(e_TextureFonts[i].Base, 256);
{$ENDIF}
e_TextureFonts[i].Base := 0;