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Android: Implements drawing different text colors

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git-svn-id: trunk@34893 -
This commit is contained in:
sekelsenmat 2012-01-24 10:43:30 +00:00
parent 6bad21a6c1
commit 921aebcc60
5 changed files with 22 additions and 5 deletions
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4
examples/androidlcl/android/src/com/pascal/lcltest/LCLActivity.java
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@ -302,12 +302,12 @@ public class LCLActivity extends Activity implements SensorEventListener, Locati
// input: String lcltext, int lclwidth, int lclheight // input: String lcltext, int lclwidth, int lclheight
// output: lclbitmap // output: lclbitmap
public void LCLDoDrawText() public void LCLDoDrawText(int ATextColor)
{ {
lclbitmap = Bitmap.createBitmap(lclwidth, lclheight, Bitmap.Config.ARGB_8888); lclbitmap = Bitmap.createBitmap(lclwidth, lclheight, Bitmap.Config.ARGB_8888);
Canvas localcanvas = new Canvas(lclbitmap); Canvas localcanvas = new Canvas(lclbitmap);
Paint localpaint = new Paint(); Paint localpaint = new Paint();
localpaint.setColor(Color.BLACK); localpaint.setColor(ATextColor);
localpaint.setTextSize(lcltextsize); localpaint.setTextSize(lcltextsize);
localpaint.setFlags(Paint.ANTI_ALIAS_FLAG); localpaint.setFlags(Paint.ANTI_ALIAS_FLAG);
localcanvas.drawColor(Color.TRANSPARENT); // TRANSPARENT localcanvas.drawColor(Color.TRANSPARENT); // TRANSPARENT

2
examples/androidlcl/mainform.lfm
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@ -83,6 +83,8 @@ object Form1: TForm1
Top = 223 Top = 223
Width = 43 Width = 43
Caption = 'Label1' Caption = 'Label1'
Font.Color = clBlue
ParentColor = False ParentColor = False
ParentFont = False
end end
end end

14
lcl/interfaces/customdrawn/customdrawn_androidproc.pas
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@ -8,13 +8,25 @@ uses
// rtl+ftl // rtl+ftl
Types, Classes, SysUtils, Types, Classes, SysUtils,
fpimage, fpcanvas, ctypes, fpimage, fpcanvas, ctypes,
// Android headers
jni,
// Custom Drawn Canvas // Custom Drawn Canvas
IntfGraphics, lazcanvas, IntfGraphics, lazcanvas,
// //
GraphType, Controls, LCLMessageGlue, WSControls, LCLType, LCLProc, GraphType, Controls, Graphics, LCLMessageGlue, WSControls, LCLType, LCLProc,
customdrawnproc; customdrawnproc;
function FPColorToAndroidColor(AValue: TFPColor): jint;
implementation implementation
// Android color is in the format: Alpha-Red-Green-Blue
function FPColorToAndroidColor(AValue: TFPColor): jint;
begin
Result:= $FF000000 or ((AValue.Blue shr 8) and $ff)
or (AValue.Green and $ff00)
or ((AValue.Red shl 8) and $ff0000);
end;
end. end.

2
lcl/interfaces/customdrawn/customdrawnobject_android.inc
View File

@ -442,7 +442,7 @@ begin
// Read all method IDs // Read all method IDs
javaMethod_LCLDoGetTextBounds := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoGetTextBounds', '()V'); javaMethod_LCLDoGetTextBounds := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoGetTextBounds', '()V');
javaMethod_LCLDoGetTextPartialWidths := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoGetTextPartialWidths', '()V'); javaMethod_LCLDoGetTextPartialWidths := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoGetTextPartialWidths', '()V');
javaMethod_LCLDoDrawText := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoDrawText', '()V'); javaMethod_LCLDoDrawText := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoDrawText', '(I)V');
javaMethod_LCLDoShowMessageBox := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoShowMessageBox', '()V'); javaMethod_LCLDoShowMessageBox := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoShowMessageBox', '()V');
javaMethod_LCLDoCreateTimer := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoCreateTimer', '()V'); javaMethod_LCLDoCreateTimer := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoCreateTimer', '()V');
javaMethod_LCLDoDestroyTimer := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoDestroyTimer', '()V'); javaMethod_LCLDoDestroyTimer := javaEnvRef^^.GetMethodID(javaEnvRef, javaActivityClass, 'LCLDoDestroyTimer', '()V');

5
lcl/interfaces/customdrawn/customdrawnwinapi_android.inc
View File

@ -2187,6 +2187,8 @@ var
lWidth, lHeight: jint; lWidth, lHeight: jint;
lDestCanvas: TLazCanvas; lDestCanvas: TLazCanvas;
lFontSize: Integer; lFontSize: Integer;
// array for the parameters
lParams: array[0..0] of JValue;
begin begin
{$ifdef VerboseCDText} {$ifdef VerboseCDText}
DebugLn(Format(':>[WinAPI ExtTextOut] DC=%x javaEnvRef=%x Str=%s X=%d Y=%d', DebugLn(Format(':>[WinAPI ExtTextOut] DC=%x javaEnvRef=%x Str=%s X=%d Y=%d',
@ -2217,7 +2219,8 @@ begin
javaEnvRef^^.CallVoidMethod(javaEnvRef, javaActivityObject, javaMethod_LCLDoGetTextBounds); javaEnvRef^^.CallVoidMethod(javaEnvRef, javaActivityObject, javaMethod_LCLDoGetTextBounds);
// Call the method to draw the text // Call the method to draw the text
javaEnvRef^^.CallVoidMethod(javaEnvRef, javaActivityObject, javaMethod_LCLDoDrawText); lParams[0].i := FPColorToAndroidColor(lDestCanvas.Font.FPColor);
javaEnvRef^^.CallVoidMethodA(javaEnvRef, javaActivityObject, javaMethod_LCLDoDrawText, @lParams[0]);
// Get the bitmap with the text // Get the bitmap with the text
lJavaBitmap := javaEnvRef^^.GetObjectField(javaEnvRef, javaActivityObject, javaField_lclbitmap); lJavaBitmap := javaEnvRef^^.GetObjectField(javaEnvRef, javaActivityObject, javaField_lclbitmap);