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 int GSM_GetBitmapSize(GSM_Bitmap *bitmap)
75 switch (bitmap->type) {
76 case GSM_StartupLogo : /*size 84*48*/
77 case GSM_OperatorLogo : /*size 72*14*/
78 case GSM_CallerLogo : /*size 72*14*/
79 case GSM_PictureImage : /*size 72*28*/
80 return bitmap->height*bitmap->width/8;
82 case GSM_7110OperatorLogo: /*size 78*21*/
83 return (bitmap->width*bitmap->height + 7)/8;
85 case GSM_7110StartupLogo: /*size 96*65*/
86 case GSM_6210StartupLogo: /*size 96*60*/
87 return (bitmap->height+7)/8*bitmap->width;
94 GSM_Error GSM_ReadBitmap(GSM_SMSMessage *message, GSM_Bitmap *bitmap)
97 unsigned char buffer[20];
99 switch (message->UDHType) {
101 EncodeUDHHeader(buffer, GSM_OperatorLogo);
102 if (message->Length!=133) return GE_UNKNOWN;
104 bitmap->type = GSM_OperatorLogo;
106 DecodeNetworkCode(message->MessageText, bitmap->netcode);
111 case GSM_CallerIDLogo:
112 EncodeUDHHeader(buffer, GSM_CallerLogo);
113 if (message->Length!=130) return GE_UNKNOWN;
115 bitmap->type=GSM_CallerLogo;
122 bitmap->width = message->MessageText[offset];
123 bitmap->height = message->MessageText[offset + 1];
125 if (bitmap->width!=72 || bitmap->height!=14) return GE_INVALIDIMAGESIZE;
127 bitmap->size = GSM_GetBitmapSize(bitmap);
128 memcpy(bitmap->bitmap, message->MessageText + offset + 3, bitmap->size);
131 fprintf(stdout, _("Bitmap from SMS: width %i, height %i\n"),bitmap->width,bitmap->height);
137 void GSM_ResizeBitmap(GSM_Bitmap *bitmap, GSM_Bitmap_Types target)
140 int x,y,width,height;
144 if (target==GSM_StartupLogo) {
148 if (target==GSM_7110StartupLogo) {
152 if (target==GSM_6210StartupLogo) {
156 if (target==GSM_OperatorLogo || target==GSM_CallerLogo) {
160 if (target==GSM_PictureImage ) {
164 if (target==GSM_7110OperatorLogo) {
169 bitmap->size=GSM_GetBitmapSize(bitmap);
172 if (bitmap->width<width) {
175 fprintf(stdout,_("We lost some part of image - it's cut (width from %i to %i) !\n"),backup.width,width);
179 height=backup.height;
180 if (bitmap->height<height) {
181 height=bitmap->height;
183 fprintf(stdout,_("We lost some part of image - it's cut (height from %i to %i) !\n"),backup.height,height);
187 GSM_ClearBitmap(bitmap);
189 for (y=0;y<height;y++) {
190 for (x=0;x<width;x++)
191 if (GSM_IsPointBitmap(&backup,x,y)) GSM_SetPointBitmap(bitmap,x,y);
194 //GSM_PrintBitmap(&backup);
195 //GSM_PrintBitmap(bitmap);
198 void GSM_PrintBitmap(GSM_Bitmap *bitmap)
202 for (y=0;y<bitmap->height;y++) {
203 for (x=0;x<bitmap->width;x++) {
204 if (GSM_IsPointBitmap(bitmap,x,y)) {
205 fprintf(stdout, _("#"));
207 fprintf(stdout, _(" "));
210 fprintf(stdout, _("\n"));
214 int GSM_SaveBitmapToSMS(GSM_MultiSMSMessage *SMS, GSM_Bitmap *bitmap,
215 bool ScreenSaver, bool UnicodeText)
217 char MessageBuffer[GSM_MAX_SMS_8_BIT_LENGTH*4];
219 GSM_UDH UDHType=GSM_NoUDH;
221 switch (bitmap->type) {
222 case GSM_OperatorLogo:
225 EncodeNetworkCode(MessageBuffer, bitmap->netcode);
228 /* Set the logo size */
229 MessageBuffer[MessageLength++] = 0x00;
230 MessageBuffer[MessageLength++] = bitmap->width;
231 MessageBuffer[MessageLength++] = bitmap->height;
232 MessageBuffer[MessageLength++] = 0x01;
234 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
235 MessageLength=MessageLength+bitmap->size;
239 UDHType=GSM_CallerIDLogo;
241 /* Set the logo size */
242 MessageBuffer[MessageLength++] = 0x00;
243 MessageBuffer[MessageLength++] = bitmap->width;
244 MessageBuffer[MessageLength++] = bitmap->height;
245 MessageBuffer[MessageLength++] = 0x01;
247 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
248 MessageLength=MessageLength+bitmap->size;
251 case GSM_PictureImage:
252 UDHType=GSM_ProfileUDH;
254 MessageBuffer[MessageLength++]=0x30; //SM version. Here 3.0
257 MessageBuffer[MessageLength++]=SM30_OTA; //ID for OTA bitmap
259 MessageBuffer[MessageLength++]=SM30_SCREENSAVER; //ID for screen saver
261 /* Length for picture part */
262 MessageBuffer[MessageLength++]=0x01; //length hi
263 MessageBuffer[MessageLength++]=0x00; //length lo
265 /* Set the logo size */
266 MessageBuffer[MessageLength++] = 0x00;
267 MessageBuffer[MessageLength++] = bitmap->width;
268 MessageBuffer[MessageLength++] = bitmap->height;
269 MessageBuffer[MessageLength++] = 0x01;
271 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
272 MessageLength=MessageLength+bitmap->size;
274 if (strlen(bitmap->text)!=0) {
276 MessageBuffer[MessageLength++]=SM30_UNICODETEXT; //ID for Unicode text
278 /* Length for text part */
279 MessageBuffer[MessageLength++]=0x00; //length of text1
280 MessageBuffer[MessageLength++]=strlen(bitmap->text)*2;//length of text2
282 EncodeUnicode (MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
283 MessageLength=MessageLength+2*strlen(bitmap->text);
285 MessageBuffer[MessageLength++]=SM30_ISOTEXT; //ID for ISO-8859-1 text
287 /* Length for text part */
288 MessageBuffer[MessageLength++]=0x00; //length of text1
289 MessageBuffer[MessageLength++]=strlen(bitmap->text); //length of text2
291 memcpy(MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
292 MessageLength=MessageLength+strlen(bitmap->text);
301 GSM_MakeMultiPartSMS2(SMS,MessageBuffer,MessageLength, UDHType, GSM_Coding_Default);