lazarus/lcl/customdrawn_android.pas
sekelsenmat 726931d294 cocoa: Implements basic TSpeedButton look
git-svn-id: trunk@49580 -
2015-08-01 06:28:38 +00:00

806 lines
32 KiB
ObjectPascal

unit CustomDrawn_Android;
{$mode objfpc}{$H+}
{ $define CD_UseImageResources}
interface
uses
// RTL
Classes, SysUtils, Types, Math,
// fpimage
fpcanvas, fpimgcanv, fpimage,
// LCL -> Use only TForm, TWinControl, TCanvas and TLazIntfImage
Graphics, Controls, LCLType, LCLIntf, IntfGraphics, LResources, Forms,
//
customdrawndrawers, customdrawn_common;
type
{ TCDDrawerAndroid }
TCDDrawerAndroid = class(TCDDrawerCommon)
private
//bmpCheckbox, bmpCheckboxChecked: TBitmap;
// Alternative checkbox drawing, not currently utilized
procedure DrawCheckBoxBitmap(ADest: TFPCustomCanvas; ADestPos: TPoint; AState: TCDControlState; ASize: Integer; ABackgroundColor: TFPColor);
// Makes pixels in each corner transparent for a rounded effect
procedure DrawTransparentRoundCorners(ADest: TFPCustomCanvas; ADestPos: TPoint; ASize: TSize; AColor: TFPColor);
// Draws a vertical line with different first and last pixels
procedure DrawVerticalLineWithFirstLast(ADest: TFPCustomCanvas;
X, Y1, Y2: Integer; AColorTop, AColorMiddle, AColorEnd: TFPColor);
// Draws a line alternating between two colors
procedure DrawAndroidAlternatedHorzLine(ADest: TCanvas; X1, X2,
Y: Integer; AColor1, AColor2: TColor);
// Draws 2 mixed gradients which alternate between one another on each pixel
procedure DrawAndroidMixedVertGradientFill(ADest: TCanvas; ARect: TRect;
AStart1, AStop1, AStart2, AStop2: TColor);
// Fills a rectangular area alternating between two pixels
procedure DrawAndroidMixedFill(ADest: TCanvas; ARect: TRect; AColor1, AColor2: TColor);
// Draws a circle with a border and a gradient inside it
procedure DrawAndroidGradientCircle(ADest: TCanvas; ADestPos: TPoint; ASize: TSize; ABorderColor, ATopColor, ABottomColor: TColor);
public
procedure CreateResources; override;
procedure LoadResources; override;
procedure FreeResources; override;
//procedure LoadFallbackPaletteColors; override;
function GetDrawStyle: TCDDrawStyle; override;
// General
function GetMeasures(AMeasureID: Integer): Integer; override;
{ function GetMeasuresEx(ADest: TCanvas; AMeasureID: Integer;
AState: TCDControlState; AStateEx: TCDControlStateEx): Integer; virtual; abstract;
procedure CalculatePreferredSize(ADest: TCanvas; AControlId: TCDControlID;
AState: TCDControlState; AStateEx: TCDControlStateEx;
var PreferredWidth, PreferredHeight: integer; WithThemeSpace: Boolean); virtual; abstract;
function GetColor(AColorID: Integer): TColor; virtual; abstract;
function GetClientArea(ADest: TCanvas; ASize: TSize; AControlId: TCDControlID;
AState: TCDControlState; AStateEx: TCDControlStateEx): TRect; virtual; abstract;}
// General drawing routines
{procedure DrawFocusRect(ADest: TCanvas; ADestPos: TPoint; ASize: TSize); override;
procedure DrawRaisedFrame(ADest: TCanvas; ADestPos: TPoint; ASize: TSize); override;
procedure DrawSunkenFrame(ADest: TCanvas; ADestPos: TPoint; ASize: TSize); override;
procedure DrawShallowSunkenFrame(ADest: TCanvas; ADestPos: TPoint; ASize: TSize); override;}
procedure DrawTickmark(ADest: TFPCustomCanvas; ADestPos: TPoint; AState: TCDControlState); override;
{procedure DrawSlider(ADest: TCanvas; ADestPos: TPoint; ASize: TSize; AState: TCDControlState); override;
procedure DrawCompactArrow(ADest: TCanvas; ADestPos: TPoint; ADirection: TCDControlState); override;}
// ===================================
// Standard Tab
// ===================================
// TCDButton
procedure DrawButton(ADest: TFPCustomCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDButtonStateEx); override;
// TCDEdit
procedure DrawEditBackground(ADest: TCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDEditStateEx); override;
procedure DrawEditFrame(ADest: TCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDEditStateEx); override;
// TCDCheckBox
procedure DrawCheckBoxSquare(ADest: TCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDControlStateEx); override;
// TCDRadioButton
procedure DrawRadioButtonCircle(ADest: TCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDControlStateEx); override;
end;
implementation
const
ANDROID_DPI = 'vldpi';
// Actually Android buttons are much more complex then this,
// but this approximation works well
ANDROID_BUTTON_CORNERS = $006B696B;
ANDROID_BUTTON_FIRST_LINE_A = $00F7F3F7;
ANDROID_BUTTON_FIRST_LINE_B = $00EFF3EF;
ANDROID_BUTTON_SECOND_LINE_A = $00EFF3EF;
ANDROID_BUTTON_SECOND_LINE_B = $00F7F3F7;
ANDROID_BUTTON_THIRD_LINE_A = $00EFEFEF;
ANDROID_BUTTON_THIRD_LINE_B = $00F7F3F7;
ANDROID_BUTTON_TOP_GRADIENT_A = $00EFEFEF;
ANDROID_BUTTON_TOP_GRADIENT_B = $00EFEBEF;
ANDROID_BUTTON_MIDDLE_GRADIENT_A = $00CBCECB;
ANDROID_BUTTON_MIDDLE_GRADIENT_B = $00CECFCE;
ANDROID_BUTTON_BOTTOM_GRADIENT_A = $00BDBABD;
ANDROID_BUTTON_BOTTOM_GRADIENT_B = $00BABDBA;
ANDROID_BUTTON_PREPRELAST_LINE_A = $00C6C3C6;
ANDROID_BUTTON_PREPRELAST_LINE_B = $00C6C3C6;
ANDROID_BUTTON_PRELAST_LINE_A = $00C6CBC6;
ANDROID_BUTTON_PRELAST_LINE_B = $00CECBCE;
ANDROID_BUTTON_LAST_LINE_A = $00D6D3D6;
ANDROID_BUTTON_LAST_LINE_B = $00D6D7D6;
// Sunken variants
ANDROID_BUTTON_SUNKEN_FIRST_LINE_A = $0066F366;
ANDROID_BUTTON_SUNKEN_FIRST_LINE_B = $0066F366;
ANDROID_BUTTON_SUNKEN_SECOND_LINE_A = $0066F366;
ANDROID_BUTTON_SUNKEN_SECOND_LINE_B = $0066F366;
ANDROID_BUTTON_SUNKEN_THIRD_LINE_A = $0066EF66;
ANDROID_BUTTON_SUNKEN_THIRD_LINE_B = $0066F366;
ANDROID_BUTTON_SUNKEN_TOP_GRADIENT_A = $0066EF66;
ANDROID_BUTTON_SUNKEN_TOP_GRADIENT_B = $0066EB66;
ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_A = $0033CE33;
ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_B = $0033CF33;
ANDROID_BUTTON_SUNKEN_BOTTOM_GRADIENT_A = $0000BA00;
ANDROID_BUTTON_SUNKEN_BOTTOM_GRADIENT_B = $0000BD00;
ANDROID_BUTTON_SUNKEN_PREPRELAST_LINE_A = $0000C300;
ANDROID_BUTTON_SUNKEN_PREPRELAST_LINE_B = $0000C300;
ANDROID_BUTTON_SUNKEN_PRELAST_LINE_A = $0000CB00;
ANDROID_BUTTON_SUNKEN_PRELAST_LINE_B = $0000CB00;
ANDROID_BUTTON_SUNKEN_LAST_LINE_A = $0000D300;
ANDROID_BUTTON_SUNKEN_LAST_LINE_B = $0000D700;
// Checkbox
var
ANDROID_CHECKBOX_A: array[0..29] of TColor =
($F5F5F5, $EBF0EC, $EBF0EC, $EBEBEB, $EBEBEB,
$E1E6E2, $EBE6EA, $E1E1E1, $E1E1E1, $D6D0D7,
$E1DDE0, $CDCECD, $D6D3D5, $CDCECD, $CDCECD,
$C3C4C3, $CCC9CC, $C3C0C2, $C3C4C3, $BABFBB,
$C3C0C2, $BABFBB, $BABBBA, $AFB0AF, $AFACAF,
$AFACAF, $AFACAF, $AFB0AF, $BABDBA, $C3C4C3);
ANDROID_CHECKBOX_B: array[0..29] of TColor =
($EBF0EC, $F5F0F4, $EBEBEB, $EBE6EA, $E1E6E2,
$EBE6EA, $E1E1E1, $D6DCD7, $D6DCD7, $D6DCD7,
$D6D7D6, $D5D3D6, $CDCECD, $CCC9CC, $C3C4C3,
$C3C4C3, $C3C0C2, $C3C0C2, $BABFBB, $BABBBA,
$BABBBA, $B9B6B9, $AFB6B1, $AFB0AF, $AFB0AF,
$AFB0AF, $AFB0AF, $AFB0AF, $BABDBA, $CCC9CC);
const
ANDROID_CHECKBOX_CORNER_DARK_GRAY = $585A58;
ANDROID_CHECKBOX_CORNER_GRAY = $8A8C8A;
{procedure TCDButtonDrawerAndroid.DrawToIntfImage(ADest: TFPImageCanvas;
CDButton: TCDButton);
begin
end;
procedure TCDButtonDrawerAndroid.DrawToCanvas(ADest: TCanvas; CDButton: TCDButton);
var
//TmpB: TBitmap;
Str: string;
begin
// Button shape -> This crashes in Gtk2
(* TmpB.Canvas.Brush.Color := CDButton.Color;
TmpB.Canvas.Brush.Style := bsSolid;
TmpB.Canvas.RoundRect(0, 0, TmpB.Width, TmpB.Height, 8, 8);
CDButton.SetShape(TmpB);
ADest.Draw(0, 0, TmpB);
TmpB.Free;
*)
ADest.Brush.Color := CDButton.Parent.Color;
ADest.Brush.Style := bsSolid;
ADest.Pen.Color := ADest.Brush.Color;
ADest.RecTangle(0, 0, CDButton.Width, CDButton.Height);
// Button image
if CDButton.IsDown then
DrawCDButtonDown(ADest, CDButton.GetRGBBackgroundColor)
else if CDButton.Focused then
DrawAndroidButton(ADest, GetAColor(CDButton.Color, 98))
else
DrawAndroidButton(ADest, GetAColor(CDButton.Color, 96));
// Button text
ADest.Font.Assign(CDButton.Font);
ADest.Brush.Style := bsClear;
ADest.Pen.Style := psSolid;
Str := CDButton.Caption;
ADest.TextOut((CDButton.Width - ADest.TextWidth(Str)) div 2,
(CDButton.Height - ADest.TextHeight(Str)) div 2, Str);
end;
initialization
RegisterButtonDrawer(TCDButtonDrawerAndroid.Create, dsAndroid);}
{ TCDDrawerAndroid }
procedure TCDDrawerAndroid.DrawCheckBoxBitmap(ADest: TFPCustomCanvas; ADestPos: TPoint; AState: TCDControlState; ASize: Integer; ABackgroundColor: TFPColor);
var
i, scaledI: Integer;
lDest: TCanvas;
lValue5, lValue7, lValue12, lValue17, lValue18, lValueSum24: Integer;
begin
lDest := TCanvas(ADest);
lValue5 := DPIAdjustment(5);
lValue7 := DPIAdjustment(7);
lValue12 := DPIAdjustment(12);
lValue18 := DPIAdjustment(18);
lValue17 := DPIAdjustment(17);
lValueSum24 := lValue7+lValue17;
// Background
for i := 0 to ASize-1 do
begin
scaledI := Round(i * 30 / ASize);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize-1, i, ANDROID_CHECKBOX_A[scaledI], ANDROID_CHECKBOX_B[scaledI]);
end;
{ // Corners >>> The corners look bad if the background isn't black
ADest.Colors[ADestPos.X+0, ADestPos.Y+0] := colBlack;
ADest.Colors[ADestPos.X+1, ADestPos.Y+0] := colBlack;
ADest.Colors[ADestPos.X+0, ADestPos.Y+1] := colBlack;
lDest.Pixels[ADestPos.X+0, ADestPos.Y+2] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+2, ADestPos.Y+0] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+1, ADestPos.Y+1] := ANDROID_CHECKBOX_CORNER_GRAY;
//
ADest.Colors[ADestPos.X+ASize-1, ADestPos.Y+0] := colBlack;
ADest.Colors[ADestPos.X+ASize-2, ADestPos.Y+0] := colBlack;
ADest.Colors[ADestPos.X+ASize-1, ADestPos.Y+1] := colBlack;
lDest.Pixels[ADestPos.X+ASize-1, ADestPos.Y+2] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+ASize-3, ADestPos.Y+0] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+ASize-4, ADestPos.Y+1] := ANDROID_CHECKBOX_CORNER_GRAY;
//
ADest.Colors[ADestPos.X+0, ADestPos.Y+ASize-1] := colBlack;
ADest.Colors[ADestPos.X+1, ADestPos.Y+ASize-1] := colBlack;
ADest.Colors[ADestPos.X+0, ADestPos.Y+ASize-2] := colBlack;
lDest.Pixels[ADestPos.X+0, ADestPos.Y+ASize-3] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+2, ADestPos.Y+ASize-1] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+1, ADestPos.Y+ASize-2] := ANDROID_CHECKBOX_CORNER_GRAY;
//
ADest.Colors[ADestPos.X+ASize-1, ADestPos.Y+ASize-1] := colBlack;
ADest.Colors[ADestPos.X+ASize-2, ADestPos.Y+ASize-1] := colBlack;
ADest.Colors[ADestPos.X+ASize-1, ADestPos.Y+ASize-2] := colBlack;
lDest.Pixels[ADestPos.X+ASize-1, ADestPos.Y+ASize-3] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+ASize-3, ADestPos.Y+ASize-1] := ANDROID_CHECKBOX_CORNER_DARK_GRAY;
lDest.Pixels[ADestPos.X+ASize-2, ADestPos.Y+ASize-2] := ANDROID_CHECKBOX_CORNER_GRAY; }
// Tickmark
if csfOff in AState then
begin
// first 6 descending lines
for i := 0 to lValue5 do
DrawVerticalLineWithFirstLast(ADest, lValue7+i, lValue12+i, lValue18+i,
TColorToFPColor($828081), TColorToFPColor($AFB0AF), TColorToFPColor($9D9E9D));
// now 11 ascending lines
for i := lValue5+1 to lValue17 do
DrawVerticalLineWithFirstLast(ADest, lValue7+i, lValue12+lValue5*2-i, lValue18+lValue5*2-i,
TColorToFPColor($939193), TColorToFPColor($AFB0AF), TColorToFPColor($9D9E9D));
// left part adjusts
lDest.Pixels[lValue7, lValue12] := $A6A7A6;
lDest.Pixels[lValue7-1, lValue12+1] := $828482;
lDest.Pixels[lValue7-2, lValue12+2] := $949193;
lDest.Pixels[lValue7-2, lValue12+3] := $9D9E9D;
lDest.Pixels[lValue7-2, lValue12+4] := $A6A7A6;
lDest.Pixels[lValue7-1, lValue12+2] := $A6A3A5;
lDest.Pixels[lValue7-1, lValue12+3] := $AFACAF;
lDest.Pixels[lValue7-1, lValue12+4] := $A6A7A6;
lDest.Pixels[lValue7-1, lValue12+5] := $9DA29E;
for i := 1 to lValue18 - lValue12 - 6 do
begin
lDest.Pixels[lValue7-2, lValue12+4+i] := $A6A7A6;
lDest.Pixels[lValue7-1, lValue12+5+i] := $9DA29E;
end;
// right part adjusts
lDest.Pixels[lValueSum24, lValue12-6] := $9D9A9C;
lDest.Pixels[lValueSum24, lValue12-5] := $AFBDAF;
lDest.Pixels[lValueSum24, lValue12-4] := $BABBBA;
lDest.Pixels[lValueSum24, lValue12-3] := $BABBBA;
lDest.Pixels[lValueSum24, lValue12-2] := $B9B6B9;
lDest.Pixels[lValueSum24, lValue12-1] := $9D9E9D;
lDest.Pixels[lValueSum24+1, lValue12-6] := $AFB0AF;
lDest.Pixels[lValueSum24+1, lValue12-5] := $A6A7A6;
lDest.Pixels[lValueSum24+1, lValue12-4] := $B9B6B9;
lDest.Pixels[lValueSum24+1, lValue12-3] := $BABBBA;
lDest.Pixels[lValueSum24+1, lValue12-2] := $9D9E9D;
for i := 1 to lValue18 - lValue12 - 6 do
begin
lDest.Pixels[lValueSum24, lValue12-6-i] := $9D9A9C;
lDest.Pixels[lValueSum24+1, lValue12-6-i] := $AFB0AF;
end;
end
else
begin
// first 6 descending lines
for i := 0 to lValue5 do
DrawVerticalLineWithFirstLast(ADest, lValue7+i, lValue12+i, lValue18+i,
TColorToFPColor($007500), TColorToFPColor($00D300), TColorToFPColor($089A08));
// now 11 ascending lines
for i := lValue5+1 to lValue17 do
DrawVerticalLineWithFirstLast(ADest, lValue7+i, lValue12+lValue5*2-i, lValue18+lValue5*2-i,
TColorToFPColor($009200), TColorToFPColor($00D300), TColorToFPColor($089A08));
// left part adjusts
lDest.Pixels[lValue7, lValue12] := $849E84;
lDest.Pixels[lValue7-1, lValue12+1] := $187518;
lDest.Pixels[lValue7-2, lValue12+2] := $188A18;
lDest.Pixels[lValue7-2, lValue12+3] := $109E10;
lDest.Pixels[lValue7-2, lValue12+4] := $73A273;
lDest.Pixels[lValue7-1, lValue12+2] := $00A600;
lDest.Pixels[lValue7-1, lValue12+3] := $00BE00;
lDest.Pixels[lValue7-1, lValue12+4] := $00B200;
lDest.Pixels[lValue7-1, lValue12+5] := $4A9E4A;
for i := 1 to lValue18 - lValue12 - 6 do
begin
lDest.Pixels[lValue7-2, lValue12+4+i] := $73A273;
lDest.Pixels[lValue7-1, lValue12+5+i] := $4A9E4A;
end;
// right part adjusts
lDest.Pixels[lValueSum24, lValue12-6] := $427D42;
lDest.Pixels[lValueSum24, lValue12-5] := $00A200;
lDest.Pixels[lValueSum24, lValue12-4] := $00C700;
lDest.Pixels[lValueSum24, lValue12-3] := $00B200;
lDest.Pixels[lValueSum24, lValue12-2] := $31A231;
lDest.Pixels[lValueSum24, lValue12-1] := $089A08;
lDest.Pixels[lValueSum24+1, lValue12-6] := $739E73;
lDest.Pixels[lValueSum24+1, lValue12-5] := $009200;
lDest.Pixels[lValueSum24+1, lValue12-4] := $00AA00;
lDest.Pixels[lValueSum24+1, lValue12-3] := $4AA64A;
lDest.Pixels[lValueSum24+1, lValue12-2] := $089A08;
for i := 1 to lValue18 - lValue12 - 6 do
begin
lDest.Pixels[lValueSum24, lValue12-6-i] := $427D42;
lDest.Pixels[lValueSum24+1, lValue12-6-i] := $739E73;
end;
end;
DrawTransparentRoundCorners(ADest, ADestPos, Size(ASize, ASize), ABackgroundColor);
end;
procedure TCDDrawerAndroid.DrawTransparentRoundCorners(ADest: TFPCustomCanvas;
ADestPos: TPoint; ASize: TSize; AColor: TFPColor);
begin
ADest.Colors[ADestPos.X+0, ADestPos.Y+0] := AColor;
ADest.Colors[ADestPos.X+1, ADestPos.Y+0] := AColor;
ADest.Colors[ADestPos.X+0, ADestPos.Y+1] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-1, ADestPos.Y+0] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-2, ADestPos.Y+0] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-1, ADestPos.Y+1] := AColor;
ADest.Colors[ADestPos.X+0, ADestPos.Y+ASize.cy-1] := AColor;
ADest.Colors[ADestPos.X+1, ADestPos.Y+ASize.cy-1] := AColor;
ADest.Colors[ADestPos.X+0, ADestPos.Y+ASize.cy-2] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-1, ADestPos.Y+ASize.cy-1] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-2, ADestPos.Y+ASize.cy-1] := AColor;
ADest.Colors[ADestPos.X+ASize.cx-1, ADestPos.Y+ASize.cy-2] := AColor;
end;
procedure TCDDrawerAndroid.DrawVerticalLineWithFirstLast(
ADest: TFPCustomCanvas; X, Y1, Y2: Integer; AColorTop, AColorMiddle,
AColorEnd: TFPColor);
begin
ADest.Colors[X, Y1] := AColorTop;
ADest.Pen.FPColor := AColorMiddle;
ADest.Pen.Style := psSolid;
ADest.Line(X, Y1+1, X, Y2);
ADest.Colors[X, Y2] := AColorEnd;
end;
procedure TCDDrawerAndroid.DrawAndroidAlternatedHorzLine(ADest: TCanvas;
X1, X2, Y: Integer; AColor1, AColor2: TColor);
var
i: Integer;
begin
for i := X1 to X2-1 do
begin
if i mod 2 = 0 then ADest.Pixels[i, Y] := AColor1
else ADest.Pixels[i, Y] := AColor2;
end;
end;
procedure TCDDrawerAndroid.DrawAndroidMixedVertGradientFill(ADest: TCanvas;
ARect: TRect; AStart1, AStop1, AStart2, AStop2: TColor);
var
RStart1, RStop1, RStart2, RStop2: Byte;
GStart1, GStop1, GStart2, GStop2: Byte;
BStart1, BStop1, BStart2, BStop2: Byte;
RDiff1, GDiff1, BDiff1: Integer;
RDiff2, GDiff2, BDiff2: Integer;
Count, I: Integer;
lColor1, lColor2: TColor;
begin
if IsRectEmpty(ARect) then Exit;
RedGreenBlue(ColorToRGB(AStart1), RStart1, GStart1, BStart1);
RedGreenBlue(ColorToRGB(AStop1), RStop1, GStop1, BStop1);
RedGreenBlue(ColorToRGB(AStart2), RStart2, GStart2, BStart2);
RedGreenBlue(ColorToRGB(AStop2), RStop2, GStop2, BStop2);
RDiff1 := RStop1 - RStart1;
GDiff1 := GStop1 - GStart1;
BDiff1 := BStop1 - BStart1;
RDiff2 := RStop2 - RStart2;
GDiff2 := GStop2 - GStart2;
BDiff2 := BStop2 - BStart2;
Count := ARect.Bottom - ARect.Top;
for I := 0 to Count-1 do
begin
lColor1 := RGBToColor(RStart1 + (i * RDiff1) div Count,
GStart1 + (i * GDiff1) div Count,
BStart1 + (i * BDiff1) div Count);
lColor2 := RGBToColor(RStart2 + (i * RDiff2) div Count,
GStart2 + (i * GDiff2) div Count,
BStart2 + (i * BDiff2) div Count);
// draw left to right, because LineTo does not draw last pixel
DrawAndroidAlternatedHorzLine(ADest, ARect.Left, ARect.Right, ARect.Top+I, lColor1, lColor2);
end;
end;
procedure TCDDrawerAndroid.DrawAndroidMixedFill(ADest: TCanvas; ARect: TRect;
AColor1, AColor2: TColor);
var
I: Integer;
lColor1, lColor2: TColor;
begin
for I := 0 to (ARect.Bottom - ARect.Top)-1 do
begin
if i mod 2 = 0 then
begin
lColor1 := AColor1;
lColor2 := AColor2;
end
else
begin
lColor1 := AColor2;
lColor2 := AColor1;
end;
// draw left to right, because LineTo does not draw last pixel
DrawAndroidAlternatedHorzLine(ADest, ARect.Left, ARect.Right, ARect.Top+I, lColor1, lColor2);
end;
end;
procedure TCDDrawerAndroid.DrawAndroidGradientCircle(ADest: TCanvas;
ADestPos: TPoint; ASize: TSize; ABorderColor, ATopColor, ABottomColor: TColor);
var
i, x, y, center_x, center_y, radius, Count: Integer;
RStart1, RStop1: Byte;
GStart1, GStop1: Byte;
BStart1, BStop1: Byte;
RDiff1, GDiff1, BDiff1: Integer;
lColor: TColor;
begin
center_x := ADestPos.X + ASize.cx div 2;
center_y := ADestPos.Y + ASize.cy div 2;
radius := ASize.cx div 2;
Count := ASize.cx;
RedGreenBlue(ColorToRGB(ATopColor), RStart1, GStart1, BStart1);
RedGreenBlue(ColorToRGB(ABottomColor), RStop1, GStop1, BStop1);
RDiff1 := RStop1 - RStart1;
GDiff1 := GStop1 - GStart1;
BDiff1 := BStop1 - BStart1;
// First the inside part
for x := ADestPos.X to ADestPos.X+ASize.CX-1 do
for y := ADestPos.Y to ADestPos.Y+ASize.CY-1 do
begin
if Sqr(x-center_x) + Sqr(y - center_y) < Sqr(radius) then
begin
i := Y - ADestPos.Y;
lColor := RGBToColor(RStart1 + (i * RDiff1) div Count,
GStart1 + (i * GDiff1) div Count,
BStart1 + (i * BDiff1) div Count);
ADest.Pixels[x, y] := lColor;
end;
end;
// Now the border
ADest.Pen.Style := psSolid;
ADest.Pen.Color := ABorderColor;
ADest.Brush.Style := bsClear;
ADest.Ellipse(ADestPos.X, ADestPos.Y, ADestPos.X+ASize.CX, ADestPos.Y+ASize.CY);
end;
procedure TCDDrawerAndroid.CreateResources;
begin
{ bmpCheckbox := TBitmap.Create;
bmpCheckboxChecked := TBitmap.Create;}
end;
procedure TCDDrawerAndroid.LoadResources;
begin
(* {$ifdef CD_UseImageResources}
bmpCheckbox.LoadFromLazarusResource('android_checkbox');
bmpCheckboxChecked.LoadFromLazarusResource('android_checkbox_checked');
{$else}
bmpCheckbox.Width := 30;
bmpCheckbox.Height := 30;
bmpCheckboxChecked.Width := 30;
bmpCheckboxChecked.Height := 30;
DrawCheckBoxBitmap(bmpCheckbox.Canvas, Point(0, 0), [csfOff], 30);
DrawCheckBoxBitmap(bmpCheckboxChecked.Canvas, Point(0, 0), [csfOn], 30);
{$endif}
// DPI adjustment
lDPI := Max(96, Screen.PixelsPerInch);
ScaleRasterImage(bmpCheckbox, 160, lDPI);
ScaleRasterImage(bmpCheckboxChecked, 160, lDPI);*)
end;
procedure TCDDrawerAndroid.FreeResources;
begin
{ bmpCheckbox.Free;
bmpCheckboxChecked.Free;}
end;
function TCDDrawerAndroid.GetDrawStyle: TCDDrawStyle;
begin
Result := dsAndroid;
end;
function TCDDrawerAndroid.GetMeasures(AMeasureID: Integer): Integer;
begin
Result := 0;
case AMeasureID of
{ TCDEDIT_LEFT_TEXT_SPACING: Result := 4;
TCDEDIT_RIGHT_TEXT_SPACING: Result := 3;
TCDEDIT_TOP_TEXT_SPACING: Result := 3;
TCDEDIT_BOTTOM_TEXT_SPACING: Result := 3;}
//
TCDCHECKBOX_SQUARE_HALF_HEIGHT: Floor(GetMeasures(TCDCHECKBOX_SQUARE_HEIGHT)/2);
TCDCHECKBOX_SQUARE_HEIGHT: Result := DPIAdjustment(30);
//
TCDRADIOBUTTON_CIRCLE_HEIGHT: Result := DPIAdjustment(20); // Must be dividable by 4
//
TCDCOMBOBOX_DEFAULT_HEIGHT: Result := 50;
//
{ TCDSCROLLBAR_BUTTON_WIDTH: Result := 17;
TCDSCROLLBAR_LEFT_SPACING: Result := 17;
TCDSCROLLBAR_RIGHT_SPACING: Result := 17;
TCDSCROLLBAR_LEFT_BUTTON_POS: Result := 0;
TCDSCROLLBAR_RIGHT_BUTTON_POS: Result := -17;
//
TCDTRACKBAR_LEFT_SPACING: Result := 9;
TCDTRACKBAR_RIGHT_SPACING: Result := 9;
TCDTRACKBAR_TOP_SPACING: Result := 5;
TCDTRACKBAR_FRAME_HEIGHT: Result := 17;
//
TCDLISTVIEW_COLUMN_LEFT_SPACING: Result := 10;
TCDLISTVIEW_COLUMN_RIGHT_SPACING: Result := 10;
TCDLISTVIEW_COLUMN_TEXT_LEFT_SPACING: Result := 5;
TCDLISTVIEW_LINE_TOP_SPACING: Result := 3;
TCDLISTVIEW_LINE_BOTTOM_SPACING: Result := 3;}
else
Result := inherited GetMeasures(AMeasureID);
end;
end;
procedure TCDDrawerAndroid.DrawTickmark(ADest: TFPCustomCanvas; ADestPos: TPoint; AState: TCDControlState);
begin
end;
procedure TCDDrawerAndroid.DrawButton(ADest: TFPCustomCanvas; ADestPos: TPoint; ASize: TSize;
AState: TCDControlState; AStateEx: TCDButtonStateEx);
var
lDest: TCanvas absolute ADest;
Str: string;
lGlyphLeftSpacing: Integer = 0;
lTextOutPos: TPoint;
lGlyphCaptionHeight: Integer;
lRect: TRect;
begin
if not (ADest is TCanvas) then Exit; // ToDo
{ // Darker corners >>> Don't draw them, they look bad in a light background
lColor := ANDROID_BUTTON_CORNERS;
lDest.Pixels[1, 1] := lColor;
lDest.Pixels[2, 0] := lColor;
lDest.Pixels[0, 2] := lColor;
lDest.Pixels[ASize.cx-3, 0] := lColor;
lDest.Pixels[ASize.cx-2, 1] := lColor;
lDest.Pixels[ASize.cx-1, 2] := lColor;
lDest.Pixels[0, ASize.cy-3] := lColor;
lDest.Pixels[1, ASize.cy-2] := lColor;
lDest.Pixels[2, ASize.cy-1] := lColor;
lDest.Pixels[ASize.cx-1, ASize.cy-3] := lColor;
lDest.Pixels[ASize.cx-2, ASize.cy-2] := lColor;
lDest.Pixels[ASize.cx-3, ASize.cy-1] := lColor; }
// Button image
if csfSunken in AState then
begin
// Top lines
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 0, ANDROID_BUTTON_SUNKEN_FIRST_LINE_A, ANDROID_BUTTON_SUNKEN_FIRST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 1, ANDROID_BUTTON_SUNKEN_SECOND_LINE_A, ANDROID_BUTTON_SUNKEN_SECOND_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 2, ANDROID_BUTTON_SUNKEN_THIRD_LINE_A, ANDROID_BUTTON_SUNKEN_THIRD_LINE_B);
// The central gradient
lRect := Bounds(0, 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedVertGradientFill(lDest, lRect, ANDROID_BUTTON_SUNKEN_TOP_GRADIENT_A,
ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_A, ANDROID_BUTTON_SUNKEN_TOP_GRADIENT_B, ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_B);
lRect := Bounds(0, 3+(ASize.cy-6) div 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedFill(lDest, lRect, ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_A, ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_B);
lRect := Bounds(0, 3+2*(ASize.cy-6) div 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedVertGradientFill(lDest, lRect, ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_A,
ANDROID_BUTTON_SUNKEN_BOTTOM_GRADIENT_A, ANDROID_BUTTON_SUNKEN_MIDDLE_GRADIENT_B, ANDROID_BUTTON_SUNKEN_BOTTOM_GRADIENT_B);
// Bottom lines
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-3, ANDROID_BUTTON_SUNKEN_PREPRELAST_LINE_A, ANDROID_BUTTON_SUNKEN_PREPRELAST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-2, ANDROID_BUTTON_SUNKEN_PRELAST_LINE_A, ANDROID_BUTTON_SUNKEN_PRELAST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-1, ANDROID_BUTTON_SUNKEN_LAST_LINE_A, ANDROID_BUTTON_SUNKEN_LAST_LINE_B);
end
else
begin
// Top lines
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 0, ANDROID_BUTTON_FIRST_LINE_A, ANDROID_BUTTON_FIRST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 1, ANDROID_BUTTON_SECOND_LINE_A, ANDROID_BUTTON_SECOND_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, 2, ANDROID_BUTTON_THIRD_LINE_A, ANDROID_BUTTON_THIRD_LINE_B);
// The central gradient
lRect := Bounds(0, 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedVertGradientFill(lDest, lRect, ANDROID_BUTTON_TOP_GRADIENT_A,
ANDROID_BUTTON_MIDDLE_GRADIENT_A, ANDROID_BUTTON_TOP_GRADIENT_B, ANDROID_BUTTON_MIDDLE_GRADIENT_B);
lRect := Bounds(0, 3+(ASize.cy-6) div 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedFill(lDest, lRect, ANDROID_BUTTON_MIDDLE_GRADIENT_A, ANDROID_BUTTON_MIDDLE_GRADIENT_B);
lRect := Bounds(0, 3+2*(ASize.cy-6) div 3, ASize.cx, (ASize.cy-6) div 3+1);
DrawAndroidMixedVertGradientFill(lDest, lRect, ANDROID_BUTTON_MIDDLE_GRADIENT_A,
ANDROID_BUTTON_BOTTOM_GRADIENT_A, ANDROID_BUTTON_MIDDLE_GRADIENT_B, ANDROID_BUTTON_BOTTOM_GRADIENT_B);
// Bottom lines
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-3, ANDROID_BUTTON_PREPRELAST_LINE_A, ANDROID_BUTTON_PREPRELAST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-2, ANDROID_BUTTON_PRELAST_LINE_A, ANDROID_BUTTON_PRELAST_LINE_B);
DrawAndroidAlternatedHorzLine(lDest, 0, ASize.cx, ASize.cy-1, ANDROID_BUTTON_LAST_LINE_A, ANDROID_BUTTON_LAST_LINE_B);
end;
// Background corners
DrawTransparentRoundCorners(ADest, Point(0, 0), ASize, AStateEx.FPParentRGBColor);
// The full focus rect is too invasive for Android, just make a underline font style instead
//if csfHasFocus in AState then
// DrawFocusRect(lDest, Point(5, 5), Size(ASize.cx-10, ASize.cy-10));
// Position calculations
ADest.Font.Assign(AStateEx.Font);
if csfHasFocus in AState then
ADest.Font.Underline := True;
Str := AStateEx.Caption;
lGlyphCaptionHeight := Max(lDest.TextHeight(Str), AStateEx.Glyph.Height);
lTextOutPos.X := (ASize.cx - lDest.TextWidth(Str) - AStateEx.Glyph.Width) div 2;
lTextOutPos.Y := (ASize.cy - lGlyphCaptionHeight) div 2;
lTextOutPos.X := Max(lTextOutPos.X, 5);
lTextOutPos.Y := Max(lTextOutPos.Y, 5);
// Button glyph
if not AStateEx.Glyph.Empty then
begin
lDest.Draw(lTextOutPos.X, lTextOutPos.Y, AStateEx.Glyph);
lGlyphLeftSpacing := AStateEx.Glyph.Width+5;
end;
// Button text
lTextOutPos.X := lTextOutPos.X + lGlyphLeftSpacing;
lTextOutPos.Y := (ASize.cy - lDest.TextHeight(Str)) div 2;
ADest.Brush.Style := bsClear;
ADest.Pen.Style := psSolid;
if csfSunken in AState then
begin
Inc(lTextOutPos.X);
Inc(lTextOutPos.Y);
end;
lDest.TextOut(lTextOutPos.X, lTextOutPos.Y, Str)
end;
procedure TCDDrawerAndroid.DrawEditBackground(ADest: TCanvas; ADestPos: TPoint;
ASize: TSize; AState: TCDControlState; AStateEx: TCDEditStateEx);
var
lRect: TRect;
begin
// The first half is a gradient
lRect := Bounds(3, 3, ASize.cx-5, (ASize.cy-5) div 2);
ADest.GradientFill(lRect, $D8DAD6, $F3F6F4, gdVertical);
// The second is a plain color
lRect := Bounds(3, 3+(ASize.cy-6) div 2, ASize.cx-6, (ASize.cy-5) div 2);
ADest.Brush.Color := $F3F6F4;
ADest.Brush.Style := bsSolid;
ADest.FillRect(lRect);
end;
procedure TCDDrawerAndroid.DrawEditFrame(ADest: TCanvas; ADestPos: TPoint;
ASize: TSize; AState: TCDControlState; AStateEx: TCDEditStateEx);
begin
ADest.Pen.Style := psSolid;
if csfHasFocus in AState then
begin
// Top lines
ADest.Pen.Color := $6BB0FF;
ADest.Line(2, 0, ASize.cx-1, 0);
ADest.Pen.Color := $3E9FFE;
ADest.Line(1, 1, ASize.cx, 1);
ADest.Pen.Color := $2897FD;
ADest.Line(0, 2, ASize.cx+1, 2);
// Left&Right
ADest.Pen.Color := $007FFE;
ADest.Line(0, 3, 0, ASize.CY-2);
ADest.Line(1, 3, 1, ASize.CY-2);
ADest.Line(ASize.cx-1, 3, ASize.cx-1, ASize.CY-2);
ADest.Line(ASize.cx-2, 3, ASize.cx-2, ASize.CY-2);
ADest.Pen.Color := $96B1CA;
ADest.Line(2, 3, 2, ASize.CY-2);
ADest.Line(ASize.cx-3, 3, ASize.cx-3, ASize.CY-2);
// Bottom
ADest.Pen.Color := $0075FD;
ADest.Line(0, ASize.cy-3, ASize.cx-1, ASize.cy-3);
ADest.Pen.Color := $0079F6;
ADest.Line(1, ASize.cy-2, ASize.cx-2, ASize.cy-2);
ADest.Pen.Color := $007FFE;
ADest.Line(2, ASize.cy-1, ASize.cx-3, ASize.cy-1);
end
else
begin
// Top lines
ADest.Pen.Color := $737674;
ADest.Line(2, 0, ASize.cx-1, 0);
ADest.Pen.Color := $B6B9B7;
ADest.Line(1, 1, ASize.cx, 1);
ADest.Pen.Color := $C3C6C4;
ADest.Line(0, 2, ASize.cx+1, 2);
// Left&Right
ADest.Pen.Color := $565956;
ADest.Line(0, 3, 0, ASize.CY-2);
ADest.Line(ASize.cx-1, 3, ASize.cx-1, ASize.CY-2);
ADest.Pen.Color := $D1D4D1;
ADest.Line(1, 3, 1, ASize.CY-2);
ADest.Line(ASize.cx-2, 3, ASize.cx-2, ASize.CY-2);
ADest.Pen.Color := $DCE0DC;
ADest.Line(2, 3, 2, ASize.CY-2);
ADest.Line(ASize.cx-3, 3, ASize.cx-3, ASize.CY-2);
// Bottom
ADest.Pen.Color := $D4D7D5;
ADest.Line(0, ASize.cy-3, ASize.cx-1, ASize.cy-3);
ADest.Pen.Color := $D4D7D5;// is actually $FCFFFD but looks strange
ADest.Line(1, ASize.cy-2, ASize.cx-2, ASize.cy-2);
ADest.Pen.Color := $3B3E3C;
ADest.Line(2, ASize.cy-1, ASize.cx-3, ASize.cy-1);
end;
// Transparent corners
DrawTransparentRoundCorners(ADest, ADestPos, ASize, AStateEx.FPParentRGBColor);
end;
procedure TCDDrawerAndroid.DrawCheckBoxSquare(ADest: TCanvas; ADestPos: TPoint;
ASize: TSize; AState: TCDControlState; AStateEx: TCDControlStateEx);
var
lCheckboxSquare: Integer;
begin
lCheckboxSquare := GetMeasures(TCDCHECKBOX_SQUARE_HEIGHT);
//if csfOn in AState then ADest.Draw(0, 0, bmpCheckboxChecked)
//else ADest.Draw(0, 0, bmpCheckbox);
DrawCheckBoxBitmap(ADest, ADestPos, AState, lCheckboxSquare, AStateEx.FPParentRGBColor);
// Transparent corners
DrawTransparentRoundCorners(ADest, ADestPos,
Size(lCheckboxSquare, lCheckboxSquare), AStateEx.FPParentRGBColor);
end;
procedure TCDDrawerAndroid.DrawRadioButtonCircle(ADest: TCanvas;
ADestPos: TPoint; ASize: TSize; AState: TCDControlState;
AStateEx: TCDControlStateEx);
var
lSize: TSize;
begin
lSize.cx := GetMeasures(TCDRADIOBUTTON_CIRCLE_HEIGHT);
lSize.cy := lSize.cx;
// external circle
DrawAndroidGradientCircle(ADest, ADestPos, lSize, $848484, $EFEFEF, $BDBDBD);
// internal circle
if csfOn in AState then
DrawAndroidGradientCircle(ADest, Point(ADestPos.X+lSize.cx div 4, ADestPos.y+lSize.cy div 4),
Size(lSize.cx div 2, lSize.cy div 2), $317931, $21DB10, $00BE00)
else
DrawAndroidGradientCircle(ADest, Point(ADestPos.X+lSize.cx div 4, ADestPos.y+lSize.cy div 4),
Size(lSize.cx div 2, lSize.cy div 2), $9C9A9C, $CECECE, $BDBDBD);
end;
initialization
{$ifdef CD_UseImageResources}
{$include customdrawnimages/android.lrs}
{$endif}
RegisterDrawer(TCDDrawerAndroid.Create, dsAndroid);
end.