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added GetBoundingBoxesAsGlyph, GetBoundingBoxesAsString, GetBoundingBoxesAsStrings

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real implementation with freetype still missing


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14062 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2005-08-25 15:21:34 +00:00
parent f77cdaa9f6
commit 2f23ef90dd
4 changed files with 198 additions and 2 deletions
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headers/private/servers/app/ServerFont.h
+8
View File
@@ -130,6 +130,14 @@ class ServerFont {
float widthArray[],
escapement_delta delta) const;
bool GetBoundingBoxesAsString(const char charArray[],
int32 numChars, BRect rectArray[],
font_metric_mode mode, escapement_delta delta);
bool GetBoundingBoxesAsStrings(char *charArray[], int32 lengthArray[],
int32 numStrings, BRect rectArray[],
font_metric_mode mode, escapement_delta deltaArray[]);
float StringWidth(const char* string, int32 numBytes) const;
FT_Face GetFTFace() const
src/kits/interface/Font.cpp
+14 -2
View File
@@ -1039,7 +1039,7 @@ void
BFont::GetBoundingBoxesAsGlyphs(const char charArray[], int32 numChars, font_metric_mode mode,
BRect boundingBoxArray[]) const
{
GetBoundingBoxesAsString(charArray,numChars,mode,NULL,boundingBoxArray);
GetBoundingBoxesAsString(charArray, numChars, mode, NULL, boundingBoxArray);
}
@@ -1054,6 +1054,11 @@ BFont::GetBoundingBoxesAsString(const char charArray[], int32 numChars, font_met
BPrivate::AppServerLink link;
link.StartMessage(AS_GET_BOUNDINGBOXES_CHARS);
link.Attach<uint16>(fFamilyID);
link.Attach<uint16>(fStyleID);
link.Attach<float>(fSize);
link.Attach<float>(fRotation);
link.Attach<uint32>(fFlags);
link.Attach<font_metric_mode>(mode);
if (delta) {
@@ -1064,7 +1069,9 @@ BFont::GetBoundingBoxesAsString(const char charArray[], int32 numChars, font_met
}
link.Attach<int32>(numChars);
link.Attach(charArray, numChars);
uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
link.Attach<int32>(bytesInBuffer);
link.Attach(charArray, bytesInBuffer);
if (link.FlushWithReply(code) != B_OK
|| code != SERVER_TRUE)
@@ -1085,6 +1092,11 @@ BFont::GetBoundingBoxesForStrings(const char *stringArray[], int32 numStrings,
BPrivate::AppServerLink link;
link.StartMessage(AS_GET_BOUNDINGBOXES_STRINGS);
link.Attach<uint16>(fFamilyID);
link.Attach<uint16>(fStyleID);
link.Attach<float>(fSize);
link.Attach<float>(fRotation);
link.Attach<uint32>(fFlags);
link.Attach<font_metric_mode>(mode);
link.Attach<int32>(numStrings);
src/servers/app/ServerApp.cpp
+141
View File
@@ -1942,6 +1942,147 @@ ServerApp::_DispatchMessage(int32 code, BPrivate::LinkReceiver &link)
fLink.Flush();
break;
}
case AS_GET_BOUNDINGBOXES_CHARS:
{
FTRACE(("ServerApp %s: AS_GET_BOUNDINGBOXES_CHARS\n", Signature()));
// Attached Data:
// 1) uint16 - family ID
// 2) uint16 - style ID
// 3) float - point size
// 4) float - rotation
// 5) uint32 - flags
// 6) font_metric_mode - mode
// 7) escapement_delta - additional delta
// 8) int32 - numChars
// 9) int32 - numBytes
// 10) char - the char buffer with size numBytes
// Returns:
// 1) BRect - rects with numChar entries
uint16 famid, styid;
uint32 flags;
float ptsize, rotation;
font_metric_mode mode;
link.Read<uint16>(&famid);
link.Read<uint16>(&styid);
link.Read<float>(&ptsize);
link.Read<float>(&rotation);
link.Read<uint32>(&flags);
link.Read<font_metric_mode>(&mode);
escapement_delta delta;
link.Read<escapement_delta>(&delta);
int32 numChars;
link.Read<int32>(&numChars);
uint32 numBytes;
link.Read<uint32>(&numBytes);
char* charArray = new char[numBytes];
link.Read(charArray, numBytes);
BRect* rectArray = new BRect[numChars];
// figure out escapements
ServerFont font;
bool success = false;
if (font.SetFamilyAndStyle(famid, styid) == B_OK) {
font.SetSize(ptsize);
font.SetRotation(rotation);
font.SetFlags(flags);
if (font.GetBoundingBoxesAsString(charArray, numChars, rectArray, mode, delta)) {
fLink.StartMessage(SERVER_TRUE);
fLink.Attach(rectArray, sizeof(rectArray));
success = true;
}
}
delete[] charArray;
delete[] rectArray;
if (!success)
fLink.StartMessage(SERVER_FALSE);
fLink.Flush();
break;
}
case AS_GET_BOUNDINGBOXES_STRINGS:
{
FTRACE(("ServerApp %s: AS_GET_BOUNDINGBOXES_STRINGS\n", Signature()));
// Attached Data:
// 1) uint16 - family ID
// 2) uint16 - style ID
// 3) float - point size
// 4) float - rotation
// 5) uint32 - flags
// 6) font_metric_mode - mode
// 7) int32 numStrings
// 8) escapement_delta - additional delta (numStrings times)
// 9) int32 string length to measure (numStrings times)
// 10) string - string (numStrings times)
// Returns:
// 1) BRect - rects with numStrings entries
uint16 famid, styid;
uint32 flags;
float ptsize, rotation;
font_metric_mode mode;
link.Read<uint16>(&famid);
link.Read<uint16>(&styid);
link.Read<float>(&ptsize);
link.Read<float>(&rotation);
link.Read<uint32>(&flags);
link.Read<font_metric_mode>(&mode);
int32 numStrings;
link.Read<int32>(&numStrings);
escapement_delta deltaArray[numStrings];
char *stringArray[numStrings];
int32 lengthArray[numStrings];
for(int32 i=0; i<numStrings; i++) {
link.Read<int32>(&lengthArray[i]);
link.Read<escapement_delta>(&deltaArray[i]);
stringArray[i] = new char[lengthArray[i]];
link.ReadString(&stringArray[i]);
}
BRect rectArray[numStrings];
ServerFont font;
bool success = false;
if (font.SetFamilyAndStyle(famid, styid) == B_OK) {
font.SetSize(ptsize);
font.SetRotation(rotation);
font.SetFlags(flags);
if (font.GetBoundingBoxesAsStrings(stringArray, lengthArray, numStrings, rectArray, mode, deltaArray)) {
fLink.StartMessage(SERVER_TRUE);
fLink.Attach(rectArray, sizeof(rectArray));
success = true;
}
}
for (int32 i=0; i<numStrings; i++)
delete[] stringArray[i];
if (!success)
fLink.StartMessage(SERVER_FALSE);
fLink.Flush();
break;
}
case AS_SCREEN_GET_MODE:
{
STRACE(("ServerApp %s: AS_SCREEN_GET_MODE\n", Signature()));
src/servers/app/ServerFont.cpp
+35
View File
@@ -523,6 +523,41 @@ ServerFont::GetEscapements(const char charArray[], int32 numChars,
return ret >= B_OK;
}
bool
ServerFont::GetBoundingBoxesAsString(const char charArray[], int32 numChars, BRect rectArray[],
font_metric_mode mode, escapement_delta delta)
{
if (!fStyle || !charArray || numChars <= 0 || !rectArray)
return false;
FT_Face face = fStyle->GetFTFace();
if (!face)
return false;
FT_Set_Char_Size(face, 0, int32(fSize * 64), 72, 72);
return true;
}
bool
ServerFont::GetBoundingBoxesAsStrings(char *charArray[], int32 lengthArray[],
int32 numStrings, BRect rectArray[], font_metric_mode mode, escapement_delta deltaArray[])
{
if (!fStyle || !charArray || !lengthArray|| numStrings <= 0 || !rectArray || !deltaArray)
return false;
FT_Face face = fStyle->GetFTFace();
if (!face)
return false;
FT_Set_Char_Size(face, 0, int32(fSize * 64), 72, 72);
return true;
}
// StringWidth
float
ServerFont::StringWidth(const char* string, int32 numBytes) const