5 A Linux/Unix toolset and driver for Nokia mobile phones.
7 Released under the terms of the GNU GPL, see file COPYING for more details.
9 Functions for manipulating bitmaps
21 #include "gsm-common.h"
22 #include "gsm-bitmaps.h"
24 #include "gsm-coding.h"
25 #include "gsm-networks.h"
27 void GSM_SetPointBitmap(GSM_Bitmap *bmp, int x, int y)
30 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
31 bmp->bitmap[((y/8)*bmp->width)+x] |= 1 << (y%8);
32 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
33 pixel=bmp->width*y + x;
34 bmp->bitmap[pixel/8] |= 1 << (7-(pixel%8));
36 if (bmp->type == GSM_PictureImage) bmp->bitmap[9*y + (x/8)] |= 1 << (7-(x%8));
39 void GSM_ClearPointBitmap(GSM_Bitmap *bmp, int x, int y)
42 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
43 bmp->bitmap[((y/8)*bmp->width)+x] &= 255 - (1 << (y%8));
44 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
45 pixel=bmp->width*y + x;
46 bmp->bitmap[pixel/8] &= ~(1 << (7-(pixel%8)));
48 if (bmp->type == GSM_PictureImage) bmp->bitmap[9*y + (x/8)] &= 255 - (1 << (7-(x%8)));
51 bool GSM_IsPointBitmap(GSM_Bitmap *bmp, int x, int y)
56 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
57 i=(bmp->bitmap[((y/8)*bmp->width) + x] & 1<<((y%8)));
58 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
59 pixel=bmp->width*y + x;
60 i=(bmp->bitmap[pixel/8] & 1<<(7-(pixel%8)));
62 if (bmp->type == GSM_PictureImage) i=(bmp->bitmap[9*y + (x/8)] & 1<<(7-(x%8)));
64 if (i) return true; else return false;
67 void GSM_ClearBitmap(GSM_Bitmap *bmp)
70 for (i=0;i<bmp->size;i++) bmp->bitmap[i]=0;
73 GSM_Error GSM_ReadBitmap(GSM_SMSMessage *message, GSM_Bitmap *bitmap)
76 unsigned char buffer[20];
78 switch (message->UDHType) {
80 EncodeUDHHeader(buffer, GSM_OperatorLogo);
81 if (message->Length!=133) return GE_UNKNOWN;
83 bitmap->type = GSM_OperatorLogo;
85 DecodeNetworkCode(message->MessageText, bitmap->netcode);
90 case GSM_CallerIDLogo:
91 EncodeUDHHeader(buffer, GSM_CallerLogo);
92 if (message->Length!=130) return GE_UNKNOWN;
94 bitmap->type=GSM_CallerLogo;
101 bitmap->width = message->MessageText[offset];
102 bitmap->height = message->MessageText[offset + 1];
104 if (bitmap->width!=72 || bitmap->height!=14) return GE_INVALIDIMAGESIZE;
106 bitmap->size = (bitmap->width * bitmap->height) / 8;
107 memcpy(bitmap->bitmap, message->MessageText + offset + 3, bitmap->size);
110 fprintf(stdout, _("Bitmap from SMS: width %i, height %i\n"),bitmap->width,bitmap->height);
116 void GSM_ResizeBitmap(GSM_Bitmap *bitmap, GSM_Bitmap_Types target)
119 int x,y,width,height;
123 if (target==GSM_StartupLogo) {
127 if (target==GSM_7110StartupLogo) {
131 if (target==GSM_6210StartupLogo) {
135 if (target==GSM_OperatorLogo || target==GSM_CallerLogo) {
139 if (target==GSM_PictureImage ) {
143 if (target==GSM_7110OperatorLogo) {
148 bitmap->size=(bitmap->width*bitmap->height + 7)/8;
151 if (bitmap->width<width) {
154 fprintf(stdout,_("We lost some part of image - it's cut (width from %i to %i) !\n"),backup.width,width);
158 height=backup.height;
159 if (bitmap->height<height) {
160 height=bitmap->height;
162 fprintf(stdout,_("We lost some part of image - it's cut (height from %i to %i) !\n"),backup.height,height);
166 GSM_ClearBitmap(bitmap);
168 for (y=0;y<height;y++) {
169 for (x=0;x<width;x++)
170 if (GSM_IsPointBitmap(&backup,x,y)) GSM_SetPointBitmap(bitmap,x,y);
173 //GSM_PrintBitmap(&backup);
174 //GSM_PrintBitmap(bitmap);
177 void GSM_PrintBitmap(GSM_Bitmap *bitmap)
181 for (y=0;y<bitmap->height;y++) {
182 for (x=0;x<bitmap->width;x++) {
183 if (GSM_IsPointBitmap(bitmap,x,y)) {
184 fprintf(stdout, _("#"));
186 fprintf(stdout, _(" "));
189 fprintf(stdout, _("\n"));
193 int GSM_SaveBitmapToSMS(GSM_MultiSMSMessage *SMS, GSM_Bitmap *bitmap,
194 bool ScreenSaver, bool UnicodeText)
196 char MessageBuffer[GSM_MAX_SMS_8_BIT_LENGTH*4];
198 GSM_UDH UDHType=GSM_NoUDH;
200 switch (bitmap->type) {
201 case GSM_OperatorLogo:
204 EncodeNetworkCode(MessageBuffer, bitmap->netcode);
207 /* Set the logo size */
208 MessageBuffer[MessageLength++] = 0x00;
209 MessageBuffer[MessageLength++] = bitmap->width;
210 MessageBuffer[MessageLength++] = bitmap->height;
211 MessageBuffer[MessageLength++] = 0x01;
213 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
214 MessageLength=MessageLength+bitmap->size;
218 UDHType=GSM_CallerIDLogo;
220 /* Set the logo size */
221 MessageBuffer[MessageLength++] = 0x00;
222 MessageBuffer[MessageLength++] = bitmap->width;
223 MessageBuffer[MessageLength++] = bitmap->height;
224 MessageBuffer[MessageLength++] = 0x01;
226 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
227 MessageLength=MessageLength+bitmap->size;
230 case GSM_PictureImage:
231 UDHType=GSM_ProfileUDH;
233 MessageBuffer[MessageLength++]=0x30; //SM version. Here 3.0
236 MessageBuffer[MessageLength++]=SM30_OTA; //ID for OTA bitmap
238 MessageBuffer[MessageLength++]=SM30_SCREENSAVER; //ID for screen saver
240 /* Length for picture part */
241 MessageBuffer[MessageLength++]=0x01; //length hi
242 MessageBuffer[MessageLength++]=0x00; //length lo
244 /* Set the logo size */
245 MessageBuffer[MessageLength++] = 0x00;
246 MessageBuffer[MessageLength++] = bitmap->width;
247 MessageBuffer[MessageLength++] = bitmap->height;
248 MessageBuffer[MessageLength++] = 0x01;
250 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
251 MessageLength=MessageLength+bitmap->size;
253 if (strlen(bitmap->text)!=0) {
255 MessageBuffer[MessageLength++]=SM30_UNICODETEXT; //ID for Unicode text
257 /* Length for text part */
258 MessageBuffer[MessageLength++]=0x00; //length of text1
259 MessageBuffer[MessageLength++]=strlen(bitmap->text)*2;//length of text2
261 EncodeUnicode (MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
262 MessageLength=MessageLength+2*strlen(bitmap->text);
264 MessageBuffer[MessageLength++]=SM30_ISOTEXT; //ID for ISO-8859-1 text
266 /* Length for text part */
267 MessageBuffer[MessageLength++]=0x00; //length of text1
268 MessageBuffer[MessageLength++]=strlen(bitmap->text); //length of text2
270 memcpy(MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
271 MessageLength=MessageLength+strlen(bitmap->text);
280 GSM_MakeMultiPartSMS2(SMS,MessageBuffer,MessageLength, UDHType, GSM_Coding_Default);